jwe/octave: src/DLD-FUNCTIONS/regexp.cc annotate

annotate src/DLD-FUNCTIONS/regexp.cc @ 10504:33940de7c082

Properly ignore zero-length matches in named tokens

author	David Bateman <dbateman@free.fr>
date	Sat, 10 Apr 2010 01:37:12 +0200
parents	12884915a8e4
children	fcafe0e9bd58

rev	line source
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1 /*
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	2
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8619 diff changeset	3 Copyright (C) 2005, 2006, 2007, 2008, 2009 David Bateman
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	4 Copyright (C) 2002, 2003, 2004, 2005 Paul Kienzle
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	5
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	6 This file is part of Octave.
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	7
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	11 option) any later version.
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	12
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	16 for more details.
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	17
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7007 diff changeset	20 <http://www.gnu.org/licenses/>.
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	21
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	22 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	23
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	24 #ifdef HAVE_CONFIG_H
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	25 #include <config.h>
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	26 #endif
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	27
5773 5c1feeea5227 [project @ 2006-04-18 20:04:42 by jwe] jwe parents: 5765 diff changeset	28 #include <algorithm>
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	29 #include <sstream>
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	30
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	31 #include "defun-dld.h"
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	32 #include "error.h"
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	33 #include "gripes.h"
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	34 #include "oct-obj.h"
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	35 #include "utils.h"
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	36
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	37 #include "Cell.h"
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	38 #include "oct-map.h"
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	39 #include "str-vec.h"
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	40 #include "quit.h"
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	41 #include "parse.h"
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 8140 diff changeset	42 #include "oct-locbuf.h"
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	43
7173 ff2ff2c09865 [project @ 2007-11-14 18:20:49 by jwe] jwe parents: 7117 diff changeset	44 #if defined (HAVE_PCRE)
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	45 #include <pcre.h>
7117 373c39904877 [project @ 2007-11-07 18:48:00 by jwe] jwe parents: 7017 diff changeset	46 #elif defined (HAVE_REGEX)
373c39904877 [project @ 2007-11-07 18:48:00 by jwe] jwe parents: 7017 diff changeset	47 #if defined (__MINGW32__)
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	48 #define __restrict
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	49 #endif
7237 7e248dd1e6d5 [project @ 2007-12-03 19:52:47 by jwe] jwe parents: 7173 diff changeset	50 #include <sys/types.h>
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	51 #include <regex.h>
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	52 #endif
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	53
8140 cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	54 // Define the maximum number of retries for a pattern that
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	55 // possibly results in an infinite recursion.
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	56 #define PCRE_MATCHLIMIT_MAX 10
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	57
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	58 // The regexp is constructed as a linked list to avoid resizing the
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	59 // return values in arrays at each new match.
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	60
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	61 // FIXME don't bother collecting and composing return values the user
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	62 // doesn't want.
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	63
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	64 class regexp_elem
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	65 {
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	66 public:
5787 beb5b95de2c0 [project @ 2006-05-04 01:18:34 by jwe] jwe parents: 5785 diff changeset	67 regexp_elem (const string_vector& _named_token, const Cell& _t,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	68 const std::string& _m, const Matrix& _te, double _s,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	69 double _e) :
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	70 named_token (_named_token), t (_t), m (_m), te (_te), s (_s), e (_e) { }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	71
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	72 regexp_elem (const regexp_elem &a) : named_token (a.named_token), t (a.t),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	73 m (a.m), te (a.te), s (a.s), e (a.e)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	74 { }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	75
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	76 string_vector named_token;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	77 Cell t;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	78 std::string m;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	79 Matrix te;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	80 double s;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	81 double e;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	82 };
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	83
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	84 typedef std::list<regexp_elem>::const_iterator const_iterator;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	85
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	86 #define MAXLOOKBEHIND 10
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	87 static bool lookbehind_warned = false;
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	88
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	89 static int
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	90 octregexp_list (const octave_value_list &args, const std::string &nm,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	91 bool case_insensitive, std::list<regexp_elem> &lst,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	92 string_vector &named, int &nopts, bool &once)
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	93 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	94 int sz = 0;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	95 #if defined (HAVE_REGEX) \|\| defined (HAVE_PCRE)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	96 int nargin = args.length();
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	97 bool lineanchors = false;
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	98 bool dotexceptnewline = false;
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	99 bool freespacing = false;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	100
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	101 nopts = nargin - 2;
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	102 once = false;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	103
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	104 std::string buffer = args(0).string_value ();
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	105 size_t max_length = (buffer.length () > MAXLOOKBEHIND ?
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	106 MAXLOOKBEHIND: buffer.length ());
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	107
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	108 if (error_state)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	109 {
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	110 gripe_wrong_type_arg (nm.c_str(), args(0));
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	111 return 0;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	112 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	113
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	114 std::string pattern = args(1).string_value ();
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	115 if (error_state)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	116 {
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	117 gripe_wrong_type_arg (nm.c_str(), args(1));
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	118 return 0;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	119 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	120
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	121 for (int i = 2; i < nargin; i++)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	122 {
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	123 std::string str = args(i).string_value();
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	124 if (error_state)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	125 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	126 error ("%s: optional arguments must be strings", nm.c_str());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	127 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	128 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	129 std::transform (str.begin (), str.end (), str.begin (), tolower);
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	130 if (str.find("once", 0) == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	131 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	132 once = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	133 nopts--;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	134 }
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	135 else if (str.find("matchcase", 0) == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	136 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	137 case_insensitive = false;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	138 nopts--;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	139 }
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	140 else if (str.find("ignorecase", 0) == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	141 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	142 case_insensitive = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	143 nopts--;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	144 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	145 else if (str.find("dotall", 0) == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	146 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	147 dotexceptnewline = false;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	148 nopts--;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	149 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	150 else if (str.find("stringanchors", 0) == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	151 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	152 lineanchors = false;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	153 nopts--;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	154 }
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	155 else if (str.find("literalspacing", 0) == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	156 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	157 freespacing = false;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	158 nopts--;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	159 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	160 #if HAVE_PCRE
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	161 // Only accept these options with pcre
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	162 else if (str.find("dotexceptnewline", 0) == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	163 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	164 dotexceptnewline = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	165 nopts--;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	166 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	167 else if (str.find("lineanchors", 0) == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	168 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	169 lineanchors = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	170 nopts--;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	171 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	172 else if (str.find("freespacing", 0) == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	173 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	174 freespacing = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	175 nopts--;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	176 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	177 else if (str.find("start", 0) && str.find("end", 0) &&
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	178 str.find("tokenextents", 0) && str.find("match", 0) &&
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	179 str.find("tokens", 0) && str.find("names", 0))
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	180 error ("%s: unrecognized option", nm.c_str());
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	181 #else
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	182 else if (str.find("names", 0) == 0 \|\|
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	183 str.find("dotexceptnewline", 0) == 0 \|\|
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	184 str.find("lineanchors", 0) == 0 \|\|
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	185 str.find("freespacing", 0) == 0)
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	186 error ("%s: %s not implemented in this version", str.c_str(), nm.c_str());
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	187 else if (str.find("start", 0) && str.find("end", 0) &&
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	188 str.find("tokenextents", 0) && str.find("match", 0) &&
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	189 str.find("tokens", 0))
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	190 error ("%s: unrecognized option", nm.c_str());
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	191 #endif
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	192 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	193
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	194 if (!error_state)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	195 {
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	196 Cell t;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	197 std::string m;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	198 double s, e;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	199
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	200 // named tokens "(?<name>...)" are only treated with PCRE not regex.
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	201 #if HAVE_PCRE
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	202
5619 e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman] dbateman parents: 5582 diff changeset	203 size_t pos = 0;
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman] dbateman parents: 5582 diff changeset	204 size_t new_pos;
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman] dbateman parents: 5582 diff changeset	205 int nnames = 0;
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman] dbateman parents: 5582 diff changeset	206 int inames = 0;
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	207 std::ostringstream buf;
5619 e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman] dbateman parents: 5582 diff changeset	208 Array<int> named_idx;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	209
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	210 while ((new_pos = pattern.find ("(?",pos)) != std::string::npos)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	211 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	212 if (pattern.at (new_pos + 2) == '<' &&
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	213 !(pattern.at (new_pos + 3) == '=' \|\|
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	214 pattern.at (new_pos + 3) == '!'))
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	215 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	216 // The syntax of named tokens in pcre is "(?P<name>...)" while
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	217 // we need a syntax "(?<name>...)", so fix that here. Also an
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	218 // expression like
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	219 // "(?<first>\w+)\s+(?<last>\w+)\|(?<last>\w+),\s+(?<first>\w+)"
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	220 // should be perfectly legal, while pcre does not allow the same
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	221 // named token name on both sides of the alternative. Also fix
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	222 // that here by replacing name tokens by dummy names, and dealing
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	223 // with the dummy names later.
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	224
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	225 size_t tmp_pos = pattern.find_first_of ('>',new_pos);
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	226
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	227 if (tmp_pos == std::string::npos)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	228 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	229 error ("syntax error in pattern");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	230 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	231 }
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	232
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	233 std::string tmp_name =
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	234 pattern.substr(new_pos+3,tmp_pos-new_pos-3);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	235 bool found = false;
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	236
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	237 for (int i = 0; i < nnames; i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	238 if (named(i) == tmp_name)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	239 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10182 diff changeset	240 named_idx.resize(inames+1, 1);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	241 named_idx(inames) = i;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	242 found = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	243 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	244 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	245 if (! found)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	246 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10182 diff changeset	247 named_idx.resize(inames+1, 1);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	248 named_idx(inames) = nnames;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	249 named.append(tmp_name);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	250 nnames++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	251 }
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	252
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	253 if (new_pos - pos > 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	254 buf << pattern.substr(pos,new_pos-pos);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	255 if (inames < 10)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	256 buf << "(?P<n00" << inames++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	257 else if (inames < 100)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	258 buf << "(?P<n0" << inames++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	259 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	260 buf << "(?P<n" << inames++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	261 pos = tmp_pos;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	262 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	263 else if (pattern.at (new_pos + 2) == '<')
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	264 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	265 // Find lookbehind operators of arbitrary length (ie like
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	266 // "(?<=[a-z]*)") and replace with a maximum length operator
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	267 // as PCRE can not yet handle arbitrary length lookahead
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	268 // operators. Use the string length as the maximum length to
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	269 // avoid issues.
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	270
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	271 int brackets = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	272 size_t tmp_pos1 = new_pos + 2;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	273 size_t tmp_pos2 = tmp_pos1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	274 while (tmp_pos1 <= pattern.length () && brackets > 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	275 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	276 char ch = pattern.at (tmp_pos1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	277 if (ch == '(')
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	278 brackets++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	279 else if (ch == ')')
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	280 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	281 if (brackets > 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	282 tmp_pos2 = tmp_pos1;
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	283
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	284 brackets--;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	285 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	286 tmp_pos1++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	287 }
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	288
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	289 if (brackets != 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	290 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	291 buf << pattern.substr (pos, new_pos - pos) << "(?";
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	292 pos = new_pos + 2;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	293 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	294 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	295 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	296 size_t tmp_pos3 = pattern.find_first_of ("*+", tmp_pos2);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	297 if (tmp_pos3 != std::string::npos && tmp_pos3 < tmp_pos1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	298 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	299 if (!lookbehind_warned)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	300 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	301 lookbehind_warned = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	302 warning ("%s: arbitrary length lookbehind patterns are only support up to length %d", nm.c_str(), MAXLOOKBEHIND);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	303 }
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	304
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	305 buf << pattern.substr (pos, new_pos - pos) << "(";
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	306
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	307 size_t i;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	308 if (pattern.at (tmp_pos3) == '*')
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	309 i = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	310 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	311 i = 1;
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	312
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	313 for (; i < max_length + 1; i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	314 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	315 buf << pattern.substr(new_pos, tmp_pos3 - new_pos)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	316 << "{" << i << "}";
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	317 buf << pattern.substr(tmp_pos3 + 1,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	318 tmp_pos1 - tmp_pos3 - 1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	319 if (i != max_length)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	320 buf << "\|";
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	321 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	322 buf << ")";
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	323 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	324 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	325 buf << pattern.substr (pos, tmp_pos1 - pos);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	326 pos = tmp_pos1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	327 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	328 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	329 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	330 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	331 buf << pattern.substr (pos, new_pos - pos) << "(?";
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	332 pos = new_pos + 2;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	333 }
5619 e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman] dbateman parents: 5582 diff changeset	334
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	335 }
5619 e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman] dbateman parents: 5582 diff changeset	336
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	337 buf << pattern.substr(pos);
5619 e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman] dbateman parents: 5582 diff changeset	338
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman] dbateman parents: 5582 diff changeset	339 if (error_state)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	340 return 0;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	341
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	342 // Compile expression
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	343 pcre *re;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	344 const char *err;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	345 int erroffset;
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	346 std::string buf_str = buf.str ();
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	347 re = pcre_compile (buf_str.c_str (),
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	348 (case_insensitive ? PCRE_CASELESS : 0) \|
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	349 (dotexceptnewline ? 0 : PCRE_DOTALL) \|
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	350 (lineanchors ? PCRE_MULTILINE : 0) \|
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	351 (freespacing ? PCRE_EXTENDED : 0),
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	352 &err, &erroffset, 0);
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	353
7520 b166043585a8 use 0 instead of NULL John W. Eaton <jwe@octave.org> parents: 7242 diff changeset	354 if (re == 0) {
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	355 error("%s: %s at position %d of expression", nm.c_str(),
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	356 err, erroffset);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	357 return 0;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	358 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	359
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	360 int subpatterns;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	361 int namecount;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	362 int nameentrysize;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	363 char *nametable;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	364 int idx = 0;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	365
7520 b166043585a8 use 0 instead of NULL John W. Eaton <jwe@octave.org> parents: 7242 diff changeset	366 pcre_fullinfo(re, 0, PCRE_INFO_CAPTURECOUNT, &subpatterns);
b166043585a8 use 0 instead of NULL John W. Eaton <jwe@octave.org> parents: 7242 diff changeset	367 pcre_fullinfo(re, 0, PCRE_INFO_NAMECOUNT, &namecount);
b166043585a8 use 0 instead of NULL John W. Eaton <jwe@octave.org> parents: 7242 diff changeset	368 pcre_fullinfo(re, 0, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
b166043585a8 use 0 instead of NULL John W. Eaton <jwe@octave.org> parents: 7242 diff changeset	369 pcre_fullinfo(re, 0, PCRE_INFO_NAMETABLE, &nametable);
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	370
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	371 OCTAVE_LOCAL_BUFFER(int, ovector, (subpatterns+1)*3);
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	372 OCTAVE_LOCAL_BUFFER(int, nidx, namecount);
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	373
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	374 for (int i = 0; i < namecount; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	375 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	376 // Index of subpattern in first two bytes MSB first of name.
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	377 // Extract index.
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	378 nidx[i] = (static_cast<int>(nametable[i*nameentrysize])) << 8 \|
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	379 static_cast<int>(nametable[i*nameentrysize+1]);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	380 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	381
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	382 while(true)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	383 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	384 OCTAVE_QUIT;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	385
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	386 int matches = pcre_exec(re, 0, buffer.c_str(),
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	387 buffer.length(), idx,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	388 (idx ? PCRE_NOTBOL : 0),
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	389 ovector, (subpatterns+1)*3);
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	390
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	391 if (matches == PCRE_ERROR_MATCHLIMIT)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	392 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	393 // try harder; start with default value for MATCH_LIMIT and increase it
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	394 warning("Your pattern caused PCRE to hit its MATCH_LIMIT.\nTrying harder now, but this will be slow.");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	395 pcre_extra pe;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	396 pcre_config(PCRE_CONFIG_MATCH_LIMIT, static_cast <void *> (&pe.match_limit));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	397 pe.flags = PCRE_EXTRA_MATCH_LIMIT;
8140 cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	398
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	399 int i = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	400 while (matches == PCRE_ERROR_MATCHLIMIT &&
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	401 i++ < PCRE_MATCHLIMIT_MAX)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	402 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	403 OCTAVE_QUIT;
8140 cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	404
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	405 pe.match_limit *= 10;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	406 matches = pcre_exec(re, &pe, buffer.c_str(),
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	407 buffer.length(), idx,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	408 (idx ? PCRE_NOTBOL : 0),
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	409 ovector, (subpatterns+1)*3);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	410 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	411 }
8140 cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	412
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	413 if (matches < 0 && matches != PCRE_ERROR_NOMATCH)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	414 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	415 error ("%s: internal error calling pcre_exec\nError code from pcre_exec is %i", nm.c_str(), matches);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	416 pcre_free(re);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	417 return 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	418 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	419 else if (matches == PCRE_ERROR_NOMATCH)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	420 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	421 else if (ovector[1] <= ovector[0])
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	422 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	423 // FIXME: Zero sized match!! Is this the right thing to do?
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	424 idx = ovector[0] + 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	425 continue;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	426 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	427 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	428 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	429 int pos_match = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	430 Matrix te(matches-1,2);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	431 for (int i = 1; i < matches; i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	432 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	433 if (ovector[2i] >= 0 && ovector[2i+1] > 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	434 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	435 te(pos_match,0) = double (ovector[2*i]+1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	436 te(pos_match++,1) = double (ovector[2*i+1]);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	437 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	438 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	439 te.resize(pos_match,2);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	440 s = double (ovector[0]+1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	441 e = double (ovector[1]);
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	442
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	443 const char **listptr;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	444 int status = pcre_get_substring_list(buffer.c_str(), ovector,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	445 matches, &listptr);
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	446
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	447 if (status == PCRE_ERROR_NOMEMORY) {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	448 error("%s: cannot allocate memory in pcre_get_substring_list",
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	449 nm.c_str());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	450 pcre_free(re);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	451 return 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	452 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	453
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	454 Cell cell_t (dim_vector(1,pos_match));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	455 pos_match = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	456 for (int i = 1; i < matches; i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	457 if (ovector[2i] >= 0 && ovector[2i+1] > 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	458 cell_t(pos_match++) = std::string(*(listptr+i));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	459
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	460 m = std::string(*listptr);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	461 t = cell_t;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	462
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	463 string_vector named_tokens(nnames);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	464 if (namecount > 0)
10504 33940de7c082 Properly ignore zero-length matches in named tokens David Bateman <dbateman@free.fr> parents: 10350 diff changeset	465 for (int i = 0; i < pos_match; i++)
33940de7c082 Properly ignore zero-length matches in named tokens David Bateman <dbateman@free.fr> parents: 10350 diff changeset	466 named_tokens(named_idx(i)) = std::string(*(listptr+nidx[i]));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	467
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	468 pcre_free_substring_list(listptr);
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	469
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	470 regexp_elem new_elem (named_tokens, t, m, te, s, e);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	471 lst.push_back (new_elem);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	472 idx = ovector[1];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	473 sz++;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	474
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	475 if (once)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	476 break;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	477
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	478 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	479 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	480
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	481 pcre_free(re);
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	482 #else
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	483 regex_t compiled;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	484 int err=regcomp(&compiled, pattern.c_str(), REG_EXTENDED \|
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	485 (case_insensitive ? REG_ICASE : 0));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	486 if (err)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	487 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	488 int len = regerror(err, &compiled, 0, 0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	489 OCTAVE_LOCAL_BUFFER (char, errmsg, len);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	490 regerror(err, &compiled, errmsg, len);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	491 error("%s: %s in pattern (%s)", nm.c_str(), errmsg,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	492 pattern.c_str());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	493 regfree(&compiled);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	494 return 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	495 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	496
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	497 int subexpr = 1;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	498 int idx = 0;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	499 for (unsigned int i=0; i < pattern.length(); i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	500 subexpr += ( pattern[i] == '(' ? 1 : 0 );
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	501 OCTAVE_LOCAL_BUFFER (regmatch_t, match, subexpr );
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	502
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	503 while(true)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	504 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	505 OCTAVE_QUIT;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	506
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	507 if (regexec(&compiled, buffer.c_str() + idx, subexpr,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	508 match, (idx ? REG_NOTBOL : 0)) == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	509 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	510 // Count actual matches
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	511 int matches = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	512 while (matches < subexpr && match[matches].rm_so >= 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	513 matches++;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	514
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	515 if (matches == 0 \|\| match[0].rm_eo == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	516 break;
8619 930a8114197b For zero length matches in regexp, advance index by one and try again David Bateman <dbateman@free.fr> parents: 8477 diff changeset	517
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	518 s = double (match[0].rm_so+1+idx);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	519 e = double (match[0].rm_eo+idx);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	520 Matrix te(matches-1,2);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	521 for (int i = 1; i < matches; i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	522 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	523 te(i-1,0) = double (match[i].rm_so+1+idx);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	524 te(i-1,1) = double (match[i].rm_eo+idx);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	525 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	526
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	527 m = buffer.substr (match[0].rm_so+idx,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	528 match[0].rm_eo-match[0].rm_so);
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	529
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	530 Cell cell_t (dim_vector(1,matches-1));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	531 for (int i = 1; i < matches; i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	532 cell_t(i-1) = buffer.substr (match[i].rm_so+idx,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	533 match[i].rm_eo-match[i].rm_so);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	534 t = cell_t;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	535
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	536 idx += match[0].rm_eo;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	537
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	538 string_vector sv;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	539 regexp_elem new_elem (sv, t, m, te, s, e);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	540 lst.push_back (new_elem);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	541 sz++;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	542
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	543 if (once)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	544 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	545 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	546 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	547 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	548 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	549 regfree(&compiled);
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	550 #endif
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	551 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	552 #else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	553 error ("%s: not available in this version of Octave", nm.c_str());
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	554 #endif
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	555 return sz;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	556 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	557
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	558 static octave_value_list
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	559 octregexp (const octave_value_list &args, int nargout, const std::string &nm,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	560 bool case_insensitive)
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	561 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	562 octave_value_list retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	563 int nargin = args.length();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	564 std::list<regexp_elem> lst;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	565 string_vector named;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	566 int nopts;
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	567 bool once;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	568 int sz = octregexp_list (args, nm, case_insensitive, lst, named, nopts, once);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	569
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	570 if (! error_state)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	571 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	572 // Converted the linked list in the correct form for the return values
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	573
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	574 octave_idx_type i = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	575 #ifdef HAVE_PCRE
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	576 Octave_map nmap;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	577 if (sz == 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	578 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	579 for (int j = 0; j < named.length(); j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	580 nmap.assign (named(j), lst.begin()->named_token(j));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	581 retval(5) = nmap;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	582 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	583 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	584 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	585 for (int j = 0; j < named.length (); j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	586 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	587 i = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	588 Cell tmp(dim_vector (1, sz));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	589 for (const_iterator p = lst.begin(); p != lst.end(); p++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	590 tmp(i++) = p->named_token(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	591 nmap.assign (named(j), octave_value (tmp));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	592 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	593 retval(5) = nmap;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	594 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	595 #else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	596 retval(5) = Octave_map();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	597 #endif
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	598
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	599 if (once)
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	600 retval(4) = sz ? lst.front ().t : Cell();
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	601 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	602 {
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	603 Cell t (dim_vector(1, sz));
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	604 i = 0;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	605 for (const_iterator p = lst.begin(); p != lst.end(); p++)
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	606 t(i++) = p->t;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	607 retval(4) = t;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	608 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	609
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	610 if (once)
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	611 retval(3) = sz ? lst.front ().m : std::string();
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	612 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	613 {
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	614 Cell m (dim_vector(1, sz));
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	615 i = 0;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	616 for (const_iterator p = lst.begin(); p != lst.end(); p++)
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	617 m(i++) = p->m;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	618 retval(3) = m;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	619 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	620
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	621 if (once)
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	622 retval(2) = sz ? lst.front ().te : Matrix();
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	623 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	624 {
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	625 Cell te (dim_vector(1, sz));
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	626 i = 0;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	627 for (const_iterator p = lst.begin(); p != lst.end(); p++)
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	628 te(i++) = p->te;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	629 retval(2) = te;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	630 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	631
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	632 if (once)
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	633 {
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	634 if (sz)
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	635 retval(1) = lst.front ().e;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	636 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	637 retval(1) = Matrix();
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	638 }
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	639 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	640 {
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	641 NDArray e (dim_vector(1, sz));
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	642 i = 0;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	643 for (const_iterator p = lst.begin(); p != lst.end(); p++)
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	644 e(i++) = p->e;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	645 retval(1) = e;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	646 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	647
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	648 if (once)
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	649 {
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	650 if (sz)
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	651 retval(0) = lst.front ().s;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	652 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	653 retval(0) = Matrix();
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	654 }
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	655 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	656 {
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	657 NDArray s (dim_vector(1, sz));
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	658 i = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	659 for (const_iterator p = lst.begin(); p != lst.end(); p++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	660 s(i++) = p->s;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	661 retval(0) = s;
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	662 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	663
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	664 // Alter the order of the output arguments
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	665 if (nopts > 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	666 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	667 int n = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	668 octave_value_list new_retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	669 new_retval.resize(nargout);
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	670
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	671 OCTAVE_LOCAL_BUFFER (int, arg_used, 6);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	672 for (int j = 0; j < 6; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	673 arg_used[j] = false;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	674
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	675 for (int j = 2; j < nargin; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	676 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	677 int k = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	678 std::string str = args(j).string_value();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	679 std::transform (str.begin (), str.end (), str.begin (), tolower);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	680 if (str.find("once", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	681 \|\| str.find("stringanchors", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	682 \|\| str.find("lineanchors", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	683 \|\| str.find("matchcase", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	684 \|\| str.find("ignorecase", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	685 \|\| str.find("dotall", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	686 \|\| str.find("dotexceptnewline", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	687 \|\| str.find("literalspacing", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	688 \|\| str.find("freespacing", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	689 )
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	690 continue;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	691 else if (str.find("start", 0) == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	692 k = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	693 else if (str.find("end", 0) == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	694 k = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	695 else if (str.find("tokenextents", 0) == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	696 k = 2;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	697 else if (str.find("match", 0) == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	698 k = 3;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	699 else if (str.find("tokens", 0) == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	700 k = 4;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	701 else if (str.find("names", 0) == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	702 k = 5;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	703
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	704 new_retval(n++) = retval(k);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	705 arg_used[k] = true;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	706
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	707 if (n == nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	708 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	709 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	710
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	711 // Fill in the rest of the arguments
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	712 if (n < nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	713 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	714 for (int j = 0; j < 6; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	715 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	716 if (! arg_used[j])
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	717 new_retval(n++) = retval(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	718 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	719 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	720
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	721 retval = new_retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	722 }
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	723 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	724
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	725 return retval;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	726 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	727
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	728 static octave_value_list
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	729 octcellregexp (const octave_value_list &args, int nargout, const std::string &nm,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	730 bool case_insensitive)
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	731 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	732 octave_value_list retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	733
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	734 if (args(0).is_cell())
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	735 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	736 OCTAVE_LOCAL_BUFFER (Cell, newretval, nargout);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	737 octave_value_list new_args = args;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	738 Cell cellstr = args(0).cell_value();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	739 if (args(1).is_cell())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	740 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	741 Cell cellpat = args(1).cell_value();
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	742
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	743 if (cellpat.numel() == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	744 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	745 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	746 newretval[j].resize(cellstr.dims());
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	747
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	748 new_args(1) = cellpat(0);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	749
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	750 for (octave_idx_type i = 0; i < cellstr.numel (); i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	751 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	752 new_args(0) = cellstr(i);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	753 octave_value_list tmp = octregexp (new_args, nargout, nm,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	754 case_insensitive);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	755
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	756 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	757 break;
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	758
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	759 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	760 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	761 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	762 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	763 else if (cellstr.numel() == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	764 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	765 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	766 newretval[j].resize(cellpat.dims());
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	767
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	768 new_args(0) = cellstr(0);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	769
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	770 for (octave_idx_type i = 0; i < cellpat.numel (); i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	771 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	772 new_args(1) = cellpat(i);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	773 octave_value_list tmp = octregexp (new_args, nargout, nm,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	774 case_insensitive);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	775
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	776 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	777 break;
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	778
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	779 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	780 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	781 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	782 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	783 else if (cellstr.numel() == cellpat.numel())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	784 {
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	785
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	786 if (cellstr.dims() != cellpat.dims())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	787 error ("%s: Inconsistent cell array dimensions", nm.c_str());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	788 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	789 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	790 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	791 newretval[j].resize(cellstr.dims());
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	792
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	793 for (octave_idx_type i = 0; i < cellstr.numel (); i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	794 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	795 new_args(0) = cellstr(i);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	796 new_args(1) = cellpat(i);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	797
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	798 octave_value_list tmp = octregexp (new_args, nargout, nm,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	799 case_insensitive);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	800
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	801 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	802 break;
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	803
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	804 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	805 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	806 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	807 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	808 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	809 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	810 error ("regexp: cell array arguments must be scalar or equal size");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	811 }
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	812 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	813 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	814 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	815 newretval[j].resize(cellstr.dims());
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	816
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	817 for (octave_idx_type i = 0; i < cellstr.numel (); i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	818 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	819 new_args(0) = cellstr(i);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	820 octave_value_list tmp = octregexp (new_args, nargout, nm, case_insensitive);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	821
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	822 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	823 break;
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	824
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	825 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	826 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	827 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	828 }
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	829
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	830 if (!error_state)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	831 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	832 retval(j) = octave_value (newretval[j]);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	833 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	834 else if (args(1).is_cell())
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	835 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	836 OCTAVE_LOCAL_BUFFER (Cell, newretval, nargout);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	837 octave_value_list new_args = args;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	838 Cell cellpat = args(1).cell_value();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	839
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	840 for (int j = 0; j < nargout; j++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	841 newretval[j].resize(cellpat.dims());
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	842
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	843 for (octave_idx_type i = 0; i < cellpat.numel (); i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	844 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	845 new_args(1) = cellpat(i);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	846 octave_value_list tmp = octregexp (new_args, nargout, nm, case_insensitive);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	847
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	848 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	849 break;
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	850
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	851 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	852 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	853 }
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	854
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	855 if (!error_state)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	856 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	857 retval(j) = octave_value (newretval[j]);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	858 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	859 else
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	860 retval = octregexp (args, nargout, nm, case_insensitive);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	861
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	862 return retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	863
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	864 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	865
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	866 DEFUN_DLD (regexp, args, nargout,
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	867 "-- texinfo --\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	868 @deftypefn {Loadable Function} {[@var{s}, @var{e}, @var{te}, @var{m}, @var{t}, @var{nm}] =} regexp (@var{str}, @var{pat})\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	869 @deftypefnx {Loadable Function} {[@dots{}] =} regexp (@var{str}, @var{pat}, @var{opts}, @dots{})\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	870 \n\
9036 58604c45ca74 Cleanup of data types related documentation Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	871 Regular expression string matching. Matches @var{pat} in @var{str} and\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	872 returns the position and matching substrings or empty values if there are\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	873 none.\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	874 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	875 The matched pattern @var{pat} can include any of the standard regex\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	876 operators, including:\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	877 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	878 @table @code\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	879 @item .\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	880 Match any character\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	881 @item * + ? @{@}\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	882 Repetition operators, representing\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	883 @table @code\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	884 @item *\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	885 Match zero or more times\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	886 @item +\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	887 Match one or more times\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	888 @item ?\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	889 Match zero or one times\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	890 @item @{@}\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	891 Match range operator, which is of the form @code{@{@var{n}@}} to match exactly\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	892 @var{n} times, @code{@{@var{m},@}} to match @var{m} or more times,\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	893 @code{@{@var{m},@var{n}@}} to match between @var{m} and @var{n} times.\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	894 @end table\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	895 @item [@dots{}] [^@dots{}]\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	896 List operators, where for example @code{[ab]c} matches @code{ac} and @code{bc}\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	897 @item ()\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	898 Grouping operator\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	899 @item \|\n\
9036 58604c45ca74 Cleanup of data types related documentation Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	900 Alternation operator. Match one of a choice of regular expressions. The\n\
7001 8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe] jwe parents: 6678 diff changeset	901 alternatives must be delimited by the grouping operator @code{()} above\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	902 @item ^ $\n\
9036 58604c45ca74 Cleanup of data types related documentation Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	903 Anchoring operator. @code{^} matches the start of the string @var{str} and\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	904 @code{$} the end\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	905 @end table\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	906 \n\
9036 58604c45ca74 Cleanup of data types related documentation Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	907 In addition the following escaped characters have special meaning. It should\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	908 be noted that it is recommended to quote @var{pat} in single quotes rather\n\
8477 433e788a015b [docs] octave => Octave Brian Gough <bjg@gnu.org> parents: 8442 diff changeset	909 than double quotes, to avoid the escape sequences being interpreted by Octave\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	910 before being passed to @code{regexp}.\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	911 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	912 @table @code\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	913 @item \\b\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	914 Match a word boundary\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	915 @item \\B\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	916 Match within a word\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	917 @item \\w\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	918 Matches any word character\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	919 @item \\W\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	920 Matches any non word character\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	921 @item \\<\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	922 Matches the beginning of a word\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	923 @item \\>\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	924 Matches the end of a word\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	925 @item \\s\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	926 Matches any whitespace character\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	927 @item \\S\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	928 Matches any non whitespace character\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	929 @item \\d\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	930 Matches any digit\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	931 @item \\D\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	932 Matches any non-digit\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	933 @end table\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	934 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	935 The outputs of @code{regexp} by default are in the order as given below\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	936 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	937 @table @asis\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	938 @item @var{s}\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	939 The start indices of each of the matching substrings\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	940 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	941 @item @var{e}\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	942 The end indices of each matching substring\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	943 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	944 @item @var{te}\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	945 The extents of each of the matched token surrounded by @code{(@dots{})} in\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	946 @var{pat}.\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	947 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	948 @item @var{m}\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	949 A cell array of the text of each match.\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	950 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	951 @item @var{t}\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	952 A cell array of the text of each token matched.\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	953 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	954 @item @var{nm}\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	955 A structure containing the text of each matched named token, with the name\n\
9036 58604c45ca74 Cleanup of data types related documentation Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	956 being used as the fieldname. A named token is denoted as\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	957 @code{(?<name>@dots{})}\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	958 @end table\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	959 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	960 Particular output arguments or the order of the output arguments can be\n\
9036 58604c45ca74 Cleanup of data types related documentation Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	961 selected by additional @var{opts} arguments. These are strings and the\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	962 correspondence between the output arguments and the optional argument\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	963 are\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	964 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	965 @multitable @columnfractions 0.2 0.3 0.3 0.2\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	966 @item @tab 'start' @tab @var{s} @tab\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	967 @item @tab 'end' @tab @var{e} @tab\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	968 @item @tab 'tokenExtents' @tab @var{te} @tab\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	969 @item @tab 'match' @tab @var{m} @tab\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	970 @item @tab 'tokens' @tab @var{t} @tab\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	971 @item @tab 'names' @tab @var{nm} @tab\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	972 @end multitable\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	973 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	974 A further optional argument is 'once', that limits the number of returned\n\
9036 58604c45ca74 Cleanup of data types related documentation Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	975 matches to the first match. Additional arguments are\n\
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	976 \n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	977 @table @asis\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	978 @item matchcase\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	979 Make the matching case sensitive.\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	980 @item ignorecase\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	981 Make the matching case insensitive.\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	982 @item stringanchors\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	983 Match the anchor characters at the beginning and end of the string.\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	984 @item lineanchors\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	985 Match the anchor characters at the beginning and end of the line.\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	986 @item dotall\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	987 The character @code{.} matches the newline character.\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	988 @item dotexceptnewline\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	989 The character @code{.} matches all but the newline character.\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	990 @item freespacing\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	991 The pattern can include arbitrary whitespace and comments starting with\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	992 @code{#}.\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	993 @item literalspacing\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	994 The pattern is taken literally.\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	995 @end table\n\
8442 502e58a0d44f Fix docstrings, add examples, references and tests to string functions Thorsten Meyer <thorsten.meyier@gmx.de> parents: 8377 diff changeset	996 @seealso{regexpi, regexprep}\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	997 @end deftypefn")
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	998 {
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	999 octave_value_list retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1000 int nargin = args.length();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1001
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1002 if (nargin < 2)
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1003 print_usage ();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1004 else if (args(0).is_cell() \|\| args(1).is_cell())
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1005 retval = octcellregexp (args, nargout, "regexp", false);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1006 else
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1007 retval = octregexp (args, nargout, "regexp", false);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1008
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1009 return retval;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1010 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1011
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1012 /*
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1013
8140 cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	1014 ## PCRE_ERROR_MATCHLIMIT test
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	1015 %!test
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	1016 %! s=sprintf('\t4\n0000\t-0.00\t-0.0000\t4\t-0.00\t-0.0000\t4\n0000\t-0.00\t-0.0000\t0\t-0.00\t-');
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	1017 %! ws = warning("query");
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	1018 %! unwind_protect
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	1019 %! warning("off");
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	1020 %! regexp(s, '(\s-\d+[.]\d\s*)+\n');
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	1021 %! unwind_protect_cleanup
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	1022 %! warning(ws);
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	1023 %! end_unwind_protect
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps Thomas Weber <thomas.weber.mail@gmail.com> parents: 8093 diff changeset	1024
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1025 ## seg-fault test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1026 %!assert(regexp("abcde","."),[1,2,3,4,5])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1027
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1028 ## Check that anchoring of pattern works correctly
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1029 %!assert(regexp('abcabc','^abc'),1);
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1030 %!assert(regexp('abcabc','abc$'),4);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1031 %!assert(regexp('abcabc','^abc$'),zeros(1,0));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1032
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1033 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1034 %! [s, e, te, m, t] = regexp(' No Match ', 'f(.*)uck');
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1035 %! assert (s,zeros(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1036 %! assert (e,zeros(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1037 %! assert (te,cell(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1038 %! assert (m, cell(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1039 %! assert (t, cell(1,0))
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1040
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1041 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1042 %! [s, e, te, m, t] = regexp(' FiRetrUck ', 'f(.*)uck');
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1043 %! assert (s,zeros(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1044 %! assert (e,zeros(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1045 %! assert (te,cell(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1046 %! assert (m, cell(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1047 %! assert (t, cell(1,0))
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1048
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1049 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1050 %! [s, e, te, m, t] = regexp(' firetruck ', 'f(.*)uck');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1051 %! assert (s,2)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1052 %! assert (e,10)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1053 %! assert (te{1},[3,7])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1054 %! assert (m{1}, 'firetruck')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1055 %! assert (t{1}{1}, 'iretr')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1056
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1057 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1058 %! [s, e, te, m, t] = regexp('short test string','\wr\w');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1059 %! assert (s,[1,12])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1060 %! assert (e,[5,17])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1061 %! assert (size(te), [1,2])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1062 %! assert (isempty(te{1}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1063 %! assert (isempty(te{2}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1064 %! assert (m{1},'short')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1065 %! assert (m{2},'string')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1066 %! assert (size(t), [1,2])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1067 %! assert (isempty(t{1}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1068 %! assert (isempty(t{2}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1069
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1070 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1071 %! [s, e, te, m, t] = regexp('short test string','\wr\w','once');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1072 %! assert (s,1)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1073 %! assert (e,5)
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1074 %! assert (isempty(te))
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1075 %! assert (m,'short')
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1076 %! assert (isempty(t))
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1077
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1078 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1079 %! [m, te, e, s, t] = regexp('short test string','\wr\w','once', 'match', 'tokenExtents', 'end', 'start', 'tokens');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1080 %! assert (s,1)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1081 %! assert (e,5)
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1082 %! assert (isempty(te))
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1083 %! assert (m,'short')
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1084 %! assert (isempty(t))
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1085
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1086 %!testif HAVE_PCRE
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1087 %! ## This test is expected to fail if PCRE is not installed
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1088 %! [s, e, te, m, t, nm] = regexp('short test string','(?<word1>\wt)\s(?<word2>\w*t)');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1089 %! assert (s,1)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1090 %! assert (e,10)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1091 %! assert (size(te), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1092 %! assert (te{1}, [1 5; 7, 10])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1093 %! assert (m{1},'short test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1094 %! assert (size(t),[1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1095 %! assert (t{1}{1},'short')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1096 %! assert (t{1}{2},'test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1097 %! assert (size(nm), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1098 %! assert (!isempty(fieldnames(nm)))
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1099 %! assert (sort(fieldnames(nm)),{'word1';'word2'})
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1100 %! assert (nm.word1,'short')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1101 %! assert (nm.word2,'test')
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1102
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1103 %!testif HAVE_PCRE
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1104 %! ## This test is expected to fail if PCRE is not installed
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1105 %! [nm, m, te, e, s, t] = regexp('short test string','(?<word1>\wt)\s(?<word2>\w*t)', 'names', 'match', 'tokenExtents', 'end', 'start', 'tokens');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1106 %! assert (s,1)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1107 %! assert (e,10)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1108 %! assert (size(te), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1109 %! assert (te{1}, [1 5; 7, 10])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1110 %! assert (m{1},'short test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1111 %! assert (size(t),[1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1112 %! assert (t{1}{1},'short')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1113 %! assert (t{1}{2},'test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1114 %! assert (size(nm), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1115 %! assert (!isempty(fieldnames(nm)))
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1116 %! assert (sort(fieldnames(nm)),{'word1';'word2'})
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1117 %! assert (nm.word1,'short')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1118 %! assert (nm.word2,'test')
5619 e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman] dbateman parents: 5582 diff changeset	1119
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1120 %!testif HAVE_PCRE
5619 e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman] dbateman parents: 5582 diff changeset	1121 %! ## This test is expected to fail if PCRE is not installed
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1122 %! [t, nm] = regexp("John Davis\nRogers, James",'(?<first>\w+)\s+(?<last>\w+)\|(?<last>\w+),\s+(?<first>\w+)','tokens','names');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1123 %! assert (size(t), [1,2]);
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1124 %! assert (t{1}{1},'John');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1125 %! assert (t{1}{2},'Davis');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1126 %! assert (t{2}{1},'Rogers');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1127 %! assert (t{2}{2},'James');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1128 %! assert (size(nm), [1,1]);
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1129 %! assert (nm.first{1},'John');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1130 %! assert (nm.first{2},'James');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1131 %! assert (nm.last{1},'Davis');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1132 %! assert (nm.last{2},'Rogers');
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1133
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1134 %!assert(regexp("abc\nabc",'.'),[1:7])
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1135 %!assert(regexp("abc\nabc",'.','dotall'),[1:7])
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1136 %!testif HAVE_PCRE
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1137 %! assert(regexp("abc\nabc",'(?s).'),[1:7])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1138 %! assert(regexp("abc\nabc",'.','dotexceptnewline'),[1,2,3,5,6,7])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1139 %! assert(regexp("abc\nabc",'(?-s).'),[1,2,3,5,6,7])
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1140
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1141 %!assert(regexp("caseCaSe",'case'),1)
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1142 %!assert(regexp("caseCaSe",'case',"matchcase"),1)
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1143 %!assert(regexp("caseCaSe",'case',"ignorecase"),[1,5])
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1144 %!testif HAVE_PCRE
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1145 %! assert(regexp("caseCaSe",'(?-i)case'),1)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1146 %! assert(regexp("caseCaSe",'(?i)case'),[1,5])
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1147
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1148 %!assert (regexp("abc\nabc",'c$'),7)
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1149 %!assert (regexp("abc\nabc",'c$',"stringanchors"),7)
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1150 %!testif HAVE_PCRE
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1151 %! assert (regexp("abc\nabc",'(?-m)c$'),7)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1152 %! assert (regexp("abc\nabc",'c$',"lineanchors"),[3,7])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1153 %! assert (regexp("abc\nabc",'(?m)c$'),[3,7])
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1154
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1155 %!assert (regexp("this word",'s w'),4)
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1156 %!assert (regexp("this word",'s w','literalspacing'),4)
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1157 %!testif HAVE_PCRE
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1158 %! assert (regexp("this word",'(?-x)s w','literalspacing'),4)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1159 %! assert (regexp("this word",'s w','freespacing'),zeros(1,0))
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1160 %! assert (regexp("this word",'(?x)s w'),zeros(1,0))
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1161
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1162 %!error regexp('string', 'tri', 'BadArg');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1163 %!error regexp('string');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1164
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1165 %!assert(regexp({'asdfg-dfd';'-dfd-dfd-';'qasfdfdaq'},'-'),{6;[1,5,9];zeros(1,0)})
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1166 %!assert(regexp({'asdfg-dfd','-dfd-dfd-','qasfdfdaq'},'-'),{6,[1,5,9],zeros(1,0)})
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1167 %!assert(regexp({'asdfg-dfd';'-dfd-dfd-';'qasfdfdaq'},{'-';'f';'q'}),{6;[3,7];[1,9]})
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1168 %!assert(regexp('Strings',{'t','s'}),{2,7})
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1169
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1170 ## Test case for lookaround operators
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1171 %!assert(regexp('Iraq','q(?!u)'),4)
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1172 %!assert(regexp('quit','q(?!u)'), zeros(1,0))
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1173 %!assert(regexp('quit','q(?=u)','match'), {'q'})
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1174 %!assert(regexp("quit",'q(?=u+)','match'), {'q'})
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1175 %!assert(regexp("qit",'q(?=u+)','match'), cell(1,0))
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1176 %!assert(regexp("qit",'q(?=u*)','match'), {'q'})
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1177
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1178 %!assert(regexp('thingamabob','(?<=a)b'), 9)
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1179
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1180 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1181
6549 5a5a09d7deb8 [project @ 2007-04-20 06:55:29 by jwe] jwe parents: 6547 diff changeset	1182 DEFUN_DLD (regexpi, args, nargout,
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1183 "-- texinfo --\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1184 @deftypefn {Loadable Function} {[@var{s}, @var{e}, @var{te}, @var{m}, @var{t}, @var{nm}] =} regexpi (@var{str}, @var{pat})\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1185 @deftypefnx {Loadable Function} {[@dots{}] =} regexpi (@var{str}, @var{pat}, @var{opts}, @dots{})\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1186 \n\
9036 58604c45ca74 Cleanup of data types related documentation Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	1187 Case insensitive regular expression string matching. Matches @var{pat} in\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1188 @var{str} and returns the position and matching substrings or empty values\n\
8442 502e58a0d44f Fix docstrings, add examples, references and tests to string functions Thorsten Meyer <thorsten.meyier@gmx.de> parents: 8377 diff changeset	1189 if there are none. @xref{doc-regexp,,regexp}, for more details\n\
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1190 @end deftypefn")
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1191 {
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1192 octave_value_list retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1193 int nargin = args.length();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1194
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1195 if (nargin < 2)
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1196 print_usage ();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1197 else if (args(0).is_cell() \|\| args(1).is_cell())
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1198 retval = octcellregexp (args, nargout, "regexpi", true);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1199 else
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1200 retval = octregexp (args, nargout, "regexpi", true);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1201
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1202 return retval;
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1203 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1204
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1205 /*
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1206
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1207 ## seg-fault test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1208 %!assert(regexpi("abcde","."),[1,2,3,4,5])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1209
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1210 ## Check that anchoring of pattern works correctly
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1211 %!assert(regexpi('abcabc','^abc'),1);
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1212 %!assert(regexpi('abcabc','abc$'),4);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1213 %!assert(regexpi('abcabc','^abc$'),zeros(1,0));
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1214
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1215 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1216 %! [s, e, te, m, t] = regexpi(' No Match ', 'f(.*)uck');
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1217 %! assert (s,zeros(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1218 %! assert (e,zeros(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1219 %! assert (te,cell(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1220 %! assert (m, cell(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1221 %! assert (t, cell(1,0))
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1222
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1223 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1224 %! [s, e, te, m, t] = regexpi(' FiRetrUck ', 'f(.*)uck');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1225 %! assert (s,2)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1226 %! assert (e,10)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1227 %! assert (te{1},[3,7])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1228 %! assert (m{1}, 'FiRetrUck')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1229 %! assert (t{1}{1}, 'iRetr')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1230
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1231 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1232 %! [s, e, te, m, t] = regexpi(' firetruck ', 'f(.*)uck');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1233 %! assert (s,2)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1234 %! assert (e,10)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1235 %! assert (te{1},[3,7])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1236 %! assert (m{1}, 'firetruck')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1237 %! assert (t{1}{1}, 'iretr')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1238
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1239 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1240 %! [s, e, te, m, t] = regexpi('ShoRt Test String','\wr\w');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1241 %! assert (s,[1,12])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1242 %! assert (e,[5,17])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1243 %! assert (size(te), [1,2])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1244 %! assert (isempty(te{1}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1245 %! assert (isempty(te{2}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1246 %! assert (m{1},'ShoRt')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1247 %! assert (m{2},'String')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1248 %! assert (size(t), [1,2])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1249 %! assert (isempty(t{1}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1250 %! assert (isempty(t{2}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1251
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1252 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1253 %! [s, e, te, m, t] = regexpi('ShoRt Test String','\wr\w','once');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1254 %! assert (s,1)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1255 %! assert (e,5)
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1256 %! assert (isempty(te))
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1257 %! assert (m,'ShoRt')
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1258 %! assert (isempty(t))
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1259
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1260 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1261 %! [m, te, e, s, t] = regexpi('ShoRt Test String','\wr\w','once', 'match', 'tokenExtents', 'end', 'start', 'tokens');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1262 %! assert (s,1)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1263 %! assert (e,5)
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1264 %! assert (isempty(te))
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1265 %! assert (m,'ShoRt')
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1266 %! assert (isempty(t))
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1267
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1268 %!testif HAVE_PCRE
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1269 %! ## This test is expected to fail if PCRE is not installed
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1270 %! [s, e, te, m, t, nm] = regexpi('ShoRt Test String','(?<word1>\wt)\s(?<word2>\w*t)');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1271 %! assert (s,1)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1272 %! assert (e,10)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1273 %! assert (size(te), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1274 %! assert (te{1}, [1 5; 7, 10])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1275 %! assert (m{1},'ShoRt Test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1276 %! assert (size(t),[1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1277 %! assert (t{1}{1},'ShoRt')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1278 %! assert (t{1}{2},'Test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1279 %! assert (size(nm), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1280 %! assert (!isempty(fieldnames(nm)))
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1281 %! assert (sort(fieldnames(nm)),{'word1';'word2'})
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1282 %! assert (nm.word1,'ShoRt')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1283 %! assert (nm.word2,'Test')
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1284
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1285 %!testif HAVE_PCRE
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1286 %! ## This test is expected to fail if PCRE is not installed
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1287 %! [nm, m, te, e, s, t] = regexpi('ShoRt Test String','(?<word1>\wt)\s(?<word2>\w*t)', 'names', 'match', 'tokenExtents', 'end', 'start', 'tokens');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1288 %! assert (s,1)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1289 %! assert (e,10)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1290 %! assert (size(te), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1291 %! assert (te{1}, [1 5; 7, 10])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1292 %! assert (m{1},'ShoRt Test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1293 %! assert (size(t),[1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1294 %! assert (t{1}{1},'ShoRt')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1295 %! assert (t{1}{2},'Test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1296 %! assert (size(nm), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1297 %! assert (!isempty(fieldnames(nm)))
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1298 %! assert (sort(fieldnames(nm)),{'word1';'word2'})
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1299 %! assert (nm.word1,'ShoRt')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1300 %! assert (nm.word2,'Test')
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1301
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1302 %!assert(regexpi("abc\nabc",'.'),[1:7])
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1303 %!assert(regexpi("abc\nabc",'.','dotall'),[1:7])
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1304 %!testif HAVE_PCRE
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1305 %! assert(regexpi("abc\nabc",'(?s).'),[1:7])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1306 %! assert(regexpi("abc\nabc",'.','dotexceptnewline'),[1,2,3,5,6,7])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1307 %! assert(regexpi("abc\nabc",'(?-s).'),[1,2,3,5,6,7])
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1308
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1309 %!assert(regexpi("caseCaSe",'case'),[1,5])
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1310 %!assert(regexpi("caseCaSe",'case',"matchcase"),1)
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1311 %!assert(regexpi("caseCaSe",'case',"ignorecase"),[1,5])
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1312 %!testif HAVE_PCRE
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1313 %! assert(regexpi("caseCaSe",'(?-i)case'),1)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1314 %! assert(regexpi("caseCaSe",'(?i)case'),[1,5])
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1315
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1316 %!assert (regexpi("abc\nabc",'c$'),7)
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1317 %!assert (regexpi("abc\nabc",'c$',"stringanchors"),7)
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1318 %!testif HAVE_PCRE
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1319 %! assert (regexpi("abc\nabc",'(?-m)c$'),7)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1320 %! assert (regexpi("abc\nabc",'c$',"lineanchors"),[3,7])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1321 %! assert (regexpi("abc\nabc",'(?m)c$'),[3,7])
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1322
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1323 %!assert (regexpi("this word",'s w'),4)
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1324 %!assert (regexpi("this word",'s w','literalspacing'),4)
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1325 %!testif HAVE_PCRE
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1326 %! assert (regexpi("this word",'(?-x)s w','literalspacing'),4)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1327 %! assert (regexpi("this word",'s w','freespacing'),zeros(1,0))
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1328 %! assert (regexpi("this word",'(?x)s w'),zeros(1,0))
5779 12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman] dbateman parents: 5775 diff changeset	1329
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1330 %!error regexpi('string', 'tri', 'BadArg');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1331 %!error regexpi('string');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1332
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1333 %!assert(regexpi({'asdfg-dfd';'-dfd-dfd-';'qasfdfdaq'},'-'),{6;[1,5,9];zeros(1,0)})
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1334 %!assert(regexpi({'asdfg-dfd','-dfd-dfd-','qasfdfdaq'},'-'),{6,[1,5,9],zeros(1,0)})
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1335 %!assert(regexpi({'asdfg-dfd';'-dfd-dfd-';'qasfdfdaq'},{'-';'f';'q'}),{6;[3,7];[1,9]})
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1336 %!assert(regexpi('Strings',{'t','s'}),{2,[1,7]})
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1337
5582 6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1338 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe] jwe parents: diff changeset	1339
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1340
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1341 static octave_value
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1342 octregexprep (const octave_value_list &args, const std::string &nm)
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1343 {
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1344 octave_value retval;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1345 int nargin = args.length();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1346
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1347 // Make sure we have string,pattern,replacement
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1348 const std::string buffer = args(0).string_value ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1349 if (error_state) return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1350 const std::string pattern = args(1).string_value ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1351 if (error_state) return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1352 const std::string replacement = args(2).string_value ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1353 if (error_state) return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1354
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1355 // Pack options excluding 'tokenize' and various output
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1356 // reordering strings into regexp arg list
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1357 octave_value_list regexpargs(nargin-1,octave_value());
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1358 regexpargs(0) = args(0);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1359 regexpargs(1) = args(1);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1360 int len=2;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1361 for (int i = 3; i < nargin; i++)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1362 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1363 const std::string opt = args(i).string_value();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1364 if (opt != "tokenize" && opt != "start" && opt != "end"
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1365 && opt != "tokenextents" && opt != "match" && opt != "tokens"
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1366 && opt != "names" && opt != "warnings")
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1367 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1368 regexpargs(len++) = args(i);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1369 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1370 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1371 regexpargs.resize(len);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1372
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1373 // Identify replacement tokens; build a vector of group numbers in
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1374 // the replacement string so that we can quickly calculate the size
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1375 // of the replacement.
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1376 int tokens = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1377 for (size_t i=1; i < replacement.size(); i++)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1378 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1379 if (replacement[i-1]=='$' && isdigit(replacement[i]))
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1380 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1381 tokens++, i++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1382 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1383 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1384 std::vector<int> token(tokens);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1385 int kk = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1386 for (size_t i = 1; i < replacement.size(); i++)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1387 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1388 if (replacement[i-1]=='$' && isdigit(replacement[i]))
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1389 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1390 token[kk++] = replacement[i]-'0';
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1391 i++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1392 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1393 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1394
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1395 // Perform replacement
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1396 std::string rep;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1397 if (tokens > 0)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1398 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1399 std::list<regexp_elem> lst;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1400 string_vector named;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1401 int nopts;
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1402 bool once;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1403 int sz = octregexp_list (regexpargs, nm , false, lst, named, nopts, once);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1404
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1405 if (error_state)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1406 return retval;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1407 if (sz == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1408 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1409 retval = args(0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1410 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1411 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1412
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1413 // Determine replacement length
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1414 const size_t replen = replacement.size() - 2*tokens;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1415 int delta = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1416 const_iterator p = lst.begin();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1417 for (int i = 0; i < sz; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1418 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1419 OCTAVE_QUIT;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1420
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1421 const Matrix pairs(p->te);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1422 size_t pairlen = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1423 for (int j = 0; j < tokens; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1424 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1425 if (token[j] == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1426 pairlen += static_cast<size_t>(p->e - p->s) + 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1427 else if (token[j] <= pairs.rows())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1428 pairlen += static_cast<size_t>(pairs(token[j]-1,1) -
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1429 pairs(token[j]-1,0)) + 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1430 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1431 delta += static_cast<int>(replen + pairlen) -
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1432 static_cast<int>(p->e - p->s + 1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1433 p++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1434 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1435
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1436 // Build replacement string
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1437 rep.reserve(buffer.size()+delta);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1438 size_t from = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1439 p = lst.begin();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1440 for (int i=0; i < sz; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1441 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1442 OCTAVE_QUIT;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1443
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1444 const Matrix pairs(p->te);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1445 rep.append(&buffer[from], static_cast<size_t>(p->s - 1) - from);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1446 from = static_cast<size_t>(p->e - 1) + 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1447 for (size_t j = 1; j < replacement.size(); j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1448 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1449 if (replacement[j-1]=='$' && isdigit(replacement[j]))
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1450 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1451 int k = replacement[j]-'0';
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1452 if (k == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1453 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1454 // replace with entire match
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1455 rep.append(&buffer[static_cast<size_t>(p->e - 1)],
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1456 static_cast<size_t>(p->e - p->s) + 1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1457 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1458 else if (k <= pairs.rows())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1459 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1460 // replace with group capture
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1461 rep.append(&buffer[static_cast<size_t>(pairs(k-1,0)-1)],
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1462 static_cast<size_t>(pairs(k-1,1) -
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1463 pairs(k-1,0))+1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1464 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1465 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1466 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1467 // replace with nothing
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1468 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1469 j++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1470 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1471 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1472 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1473 rep.append(1,replacement[j-1]);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1474 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1475 if (j+1 == replacement.size())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1476 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1477 rep.append(1,replacement[j]);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1478 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1479 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1480 p++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1481 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1482 rep.append(&buffer[from],buffer.size()-from);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1483 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1484 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1485 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1486 std::list<regexp_elem> lst;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1487 string_vector named;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1488 int nopts;
7893 eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1489 bool once;
eb9ccb44ea41 make regexp(...,'once') matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 7520 diff changeset	1490 int sz = octregexp_list (regexpargs, nm, false, lst, named, nopts, once);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1491
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1492 if (error_state)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1493 return retval;
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1494 if (sz == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1495 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1496 retval = args(0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1497 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1498 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1499
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1500 // Determine replacement length
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1501 const size_t replen = replacement.size();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1502 int delta = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1503 const_iterator p = lst.begin();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1504 for (int i = 0; i < sz; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1505 {
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1506 OCTAVE_QUIT;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1507 delta += static_cast<int>(replen) -
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1508 static_cast<int>(p->e - p->s + 1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1509 p++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1510 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1511
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1512 // Build replacement string
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1513 rep.reserve(buffer.size()+delta);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1514 size_t from = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1515 p = lst.begin();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1516 for (int i=0; i < sz; i++)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1517 {
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1518 OCTAVE_QUIT;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1519 rep.append(&buffer[from], static_cast<size_t>(p->s - 1) - from);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1520 from = static_cast<size_t>(p->e - 1) + 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1521 rep.append(replacement);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1522 p++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1523 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1524 rep.append(&buffer[from],buffer.size()-from);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1525 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1526
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1527 retval = rep;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1528 return retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1529 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1530
6549 5a5a09d7deb8 [project @ 2007-04-20 06:55:29 by jwe] jwe parents: 6547 diff changeset	1531 DEFUN_DLD (regexprep, args, ,
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1532 "-- texinfo --\n\
6678 49724abe1236 [project @ 2007-05-31 19:44:45 by jwe] jwe parents: 6549 diff changeset	1533 @deftypefn {Loadable Function} {@var{string} =} regexprep (@var{string}, @var{pat}, @var{repstr}, @var{options})\n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1534 Replace matches of @var{pat} in @var{string} with @var{repstr}.\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1535 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1536 \n\
7007 6304d9ea0a30 [project @ 2007-10-11 16:26:36 by jwe] jwe parents: 7001 diff changeset	1537 The replacement can contain @code{$i}, which substitutes\n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1538 for the ith set of parentheses in the match string. E.g.,\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1539 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9036 diff changeset	1540 @group\n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1541 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1542 regexprep(\"Bill Dunn\",'(\\w+) (\\w+)','$2, $1')\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1543 \n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 9036 diff changeset	1544 @end group\n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1545 @end example\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1546 returns \"Dunn, Bill\"\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1547 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1548 @var{options} may be zero or more of\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1549 @table @samp\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1550 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1551 @item once\n\
7001 8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe] jwe parents: 6678 diff changeset	1552 Replace only the first occurrence of @var{pat} in the result.\n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1553 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1554 @item warnings\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1555 This option is present for compatibility but is ignored.\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1556 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1557 @item ignorecase or matchcase\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1558 Ignore case for the pattern matching (see @code{regexpi}).\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1559 Alternatively, use (?i) or (?-i) in the pattern.\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1560 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1561 @item lineanchors and stringanchors\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1562 Whether characters ^ and $ match the beginning and ending of lines.\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1563 Alternatively, use (?m) or (?-m) in the pattern.\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1564 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1565 @item dotexceptnewline and dotall\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1566 Whether . matches newlines in the string.\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1567 Alternatively, use (?s) or (?-s) in the pattern.\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1568 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1569 @item freespacing or literalspacing\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1570 Whether whitespace and # comments can be used to make the regular expression more readable.\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1571 Alternatively, use (?x) or (?-x) in the pattern.\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1572 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1573 @end table\n\
8442 502e58a0d44f Fix docstrings, add examples, references and tests to string functions Thorsten Meyer <thorsten.meyier@gmx.de> parents: 8377 diff changeset	1574 @seealso{regexp,regexpi,strrep}\n\
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1575 @end deftypefn")
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1576 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1577 octave_value_list retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1578 int nargin = args.length();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1579
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1580 if (nargin < 3)
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1581 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1582 print_usage ();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1583 return retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1584 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1585
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1586 if (args(0).is_cell() \|\| args(1).is_cell() \|\| args(2).is_cell())
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1587 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1588 Cell str;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1589 Cell pat;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1590 Cell rep;
6495 fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman] dbateman parents: 6361 diff changeset	1591 dim_vector dv0;
fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman] dbateman parents: 6361 diff changeset	1592 dim_vector dv1(1,1);
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1593
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1594 if (args(0).is_cell())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1595 str = args(0).cell_value();
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1596 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1597 str = Cell (args(0));
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1598
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1599 if (args(1).is_cell())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1600 pat = args(1).cell_value();
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1601 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1602 pat = Cell (args(1));
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1603
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1604 if (args(2).is_cell())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1605 rep = args(2).cell_value();
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1606 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1607 rep = Cell (args(2));
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1608
6495 fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman] dbateman parents: 6361 diff changeset	1609 dv0 = str.dims();
fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman] dbateman parents: 6361 diff changeset	1610 if (pat.numel() != 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1611 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1612 dv1 = pat.dims();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1613 if (rep.numel() != 1 && dv1 != rep.dims())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1614 error ("regexprep: Inconsistent cell array dimensions");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1615 }
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1616 else if (rep.numel() != 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1617 dv1 = rep.dims();
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1618
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1619 if (!error_state)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1620 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1621 Cell ret (dv0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1622 octave_value_list new_args = args;
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1623
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1624 for (octave_idx_type i = 0; i < dv0.numel(); i++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1625 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1626 new_args(0) = str(i);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1627 if (pat.numel() == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1628 new_args(1) = pat(0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1629 if (rep.numel() == 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1630 new_args(2) = rep(0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1631 for (octave_idx_type j = 0; j < dv1.numel(); j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1632 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1633 if (pat.numel() != 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1634 new_args(1) = pat(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1635 if (rep.numel() != 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1636 new_args(2) = rep(j);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1637 new_args(0) = octregexprep (new_args, "regexprep");
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1638
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1639 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1640 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1641 }
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1642
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1643 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1644 break;
6495 fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman] dbateman parents: 6361 diff changeset	1645
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1646 ret(i) = new_args(0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1647 }
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1648
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1649 if (!error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1650 retval = octave_value (ret);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9064 diff changeset	1651 }
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1652 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1653 else
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1654 retval = octregexprep (args, "regexprep");
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1655
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1656 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1657 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1658
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1659 /*
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1660 %!test # Replace with empty
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1661 %! xml = '<!-- This is some XML --> <tag v="hello">some stuff<!-- sample tag--></tag>';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1662 %! t = regexprep(xml,'<[!?][^>]*>','');
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1663 %! assert(t,' <tag v="hello">some stuff</tag>')
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1664
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1665 %!test # Replace with non-empty
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1666 %! xml = '<!-- This is some XML --> <tag v="hello">some stuff<!-- sample tag--></tag>';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1667 %! t = regexprep(xml,'<[!?][^>]*>','?');
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1668 %! assert(t,'? <tag v="hello">some stuff?</tag>')
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1669
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1670 %!test # Check that 'tokenize' is ignored
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1671 %! xml = '<!-- This is some XML --> <tag v="hello">some stuff<!-- sample tag--></tag>';
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1672 %! t = regexprep(xml,'<[!?][^>]*>','','tokenize');
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1673 %! assert(t,' <tag v="hello">some stuff</tag>')
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1674
7242 e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1675 %!testif HAVE_PCRE # Capture replacement
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1676 %! data = "Bob Smith\nDavid Hollerith\nSam Jenkins";
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1677 %! result = "Smith, Bob\nHollerith, David\nJenkins, Sam";
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1678 %! t = regexprep(data,'(?m)^(\w+)\s+(\w+)$','$2, $1');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman] dbateman parents: 7237 diff changeset	1679 %! assert(t,result)
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1680
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1681 # Return the original if no match
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1682 %!assert(regexprep('hello','world','earth'),'hello')
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1683
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1684 ## Test a general replacement
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1685 %!assert(regexprep("a[b]c{d}e-f=g", "[^A-Za-z0-9_]", "_"), "a_b_c_d_e_f_g");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1686
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1687 ## Make sure it works at the beginning and end
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1688 %!assert(regexprep("a[b]c{d}e-f=g", "a", "_"), "_[b]c{d}e-f=g");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1689 %!assert(regexprep("a[b]c{d}e-f=g", "g", "_"), "a[b]c{d}e-f=_");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1690
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1691 ## Options
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1692 %!assert(regexprep("a[b]c{d}e-f=g", "[^A-Za-z0-9_]", "_", "once"), "a_b]c{d}e-f=g");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1693 %!assert(regexprep("a[b]c{d}e-f=g", "[^A-Z0-9_]", "_", "ignorecase"), "a_b_c_d_e_f_g");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1694
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1695 ## Option combinations
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1696 %!assert(regexprep("a[b]c{d}e-f=g", "[^A-Z0-9_]", "_", "once", "ignorecase"), "a_b]c{d}e-f=g");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1697
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1698 ## End conditions on replacement
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1699 %!assert(regexprep("abc","(b)",".$1"),"a.bc");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1700 %!assert(regexprep("abc","(b)","$1"),"abc");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1701 %!assert(regexprep("abc","(b)","$1."),"ab.c");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1702 %!assert(regexprep("abc","(b)","$1.."),"ab..c");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1703
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1704 ## Test cell array arguments
6503 a46d4161213f [project @ 2007-04-06 14:57:21 by jwe] jwe parents: 6495 diff changeset	1705 %!assert(regexprep("abc",{"b","a"},"?"),{"??c"})
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1706 %!assert(regexprep({"abc","cba"},"b","?"),{"a?c","c?a"})
6503 a46d4161213f [project @ 2007-04-06 14:57:21 by jwe] jwe parents: 6495 diff changeset	1707 %!assert(regexprep({"abc","cba"},{"b","a"},{"?","!"}),{"!?c","c?!"})
6361 776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman] dbateman parents: 5866 diff changeset	1708
8093 dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1709 # Nasty lookbehind expression
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1710 %!assert(regexprep('x^(-1)+y(-1)+z(-1)=0','(?<=[a-z]+)$\-[1-9]*$','_minus1'),'x^(-1)+y_minus1+z_minus1=0')
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct David Bateman <dbateman@free.fr> parents: 8021 diff changeset	1711
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5779 diff changeset	1712 */

Mercurial > jwe > octave

annotate src/DLD-FUNCTIONS/regexp.cc @ 10504:33940de7c082