annotate src/DLD-FUNCTIONS/regexp.cc @ 12642:f96b9b9f141b stable

doc: Periodic grammarcheck and spellcheck of documentation. * func.txi: Correct two misspellings * cumtrapz.m, dblquad.m, quadgk.m, quadl.m, quadv.m, trapz.m, triplequad.m, cond.m, gmres.m, bzip2.m, compare_versions.m, getappdata.m, unpack.m, ver.m, glpk.m, pkg.m, axis.m, uigetdir.m, uigetfile.m, view.m, prctile.m, quantile.m, unidcdf.m, unidinv.m, isstrprop.m, balance.cc, besselj.cc, cellfun.cc, colamd.cc, dot.cc, eigs.cc, fftw.cc, matrix_type.cc, pinv.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, regexp.cc, schur.cc, time.cc (gmtime), typecast.cc urlwrite.cc bitfcns.cc (bitshift), data.cc (rem, norm, merge) debug.cc (dbstatus), dirfns.cc (glob), file-io.cc (freport), load-path.cc (genpath), load-save.cc (save), mappers.cc (islower, isupper, tolower, toupper) oct-hist.cc (edit_history), ov-fcn-inline.cc (vectorize), ov.cc (subsref), syscalls.cc (stat), variables.cc (whos, clear): Improve docstrings. Removed trailing whitespace characters on line.
author Rik <octave@nomad.inbox5.com>
date Sun, 01 May 2011 11:39:50 -0700
parents dfeea9cae79e
children 9559417aa965
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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3 Copyright (C) 2005-2011 David Bateman
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4 Copyright (C) 2002-2005 Paul Kienzle
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include <algorithm>
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29 #include <sstream>
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30
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31 #include "defun-dld.h"
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32 #include "error.h"
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33 #include "gripes.h"
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34 #include "oct-obj.h"
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35 #include "utils.h"
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36
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37 #include "Cell.h"
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38 #include "oct-map.h"
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39 #include "str-vec.h"
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40 #include "quit.h"
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41 #include "parse.h"
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42 #include "oct-locbuf.h"
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43
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44 #include <pcre.h>
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45
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46 // Define the maximum number of retries for a pattern that
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47 // possibly results in an infinite recursion.
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48 #define PCRE_MATCHLIMIT_MAX 10
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49
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50 // The regexp is constructed as a linked list to avoid resizing the
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51 // return values in arrays at each new match.
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52
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53 // FIXME don't bother collecting and composing return values the user
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54 // doesn't want.
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55
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56 class regexp_elem
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57 {
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58 public:
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59 regexp_elem (const string_vector& _named_token, const Cell& _t,
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60 const std::string& _m, const Matrix& _te, double _s,
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61 double _e) :
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62 named_token (_named_token), t (_t), m (_m), te (_te), s (_s), e (_e) { }
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63
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64 regexp_elem (const regexp_elem &a) : named_token (a.named_token), t (a.t),
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65 m (a.m), te (a.te), s (a.s), e (a.e)
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66 { }
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67
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68 string_vector named_token;
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69 Cell t;
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70 std::string m;
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71 Matrix te;
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72 double s;
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73 double e;
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74 };
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75
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76 typedef std::list<regexp_elem>::const_iterator const_iterator;
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77
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78 #define MAXLOOKBEHIND 10
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79 static bool lookbehind_warned = false;
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80
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81 static int
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82 octregexp_list (const octave_value_list &args, const std::string &nm,
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83 bool case_insensitive, std::list<regexp_elem> &lst,
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84 string_vector &named, int &nopts, bool &once)
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85 {
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86 int sz = 0;
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87
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88 int nargin = args.length();
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89 bool lineanchors = false;
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90 bool dotexceptnewline = false;
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91 bool freespacing = false;
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92
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93 nopts = nargin - 2;
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94 once = false;
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95
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96 std::string buffer = args(0).string_value ();
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97 size_t max_length = (buffer.length () > MAXLOOKBEHIND ?
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98 MAXLOOKBEHIND: buffer.length ());
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99
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100 if (error_state)
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101 {
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102 gripe_wrong_type_arg (nm.c_str(), args(0));
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103 return 0;
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104 }
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105
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106 std::string pattern = args(1).string_value ();
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107 if (error_state)
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108 {
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109 gripe_wrong_type_arg (nm.c_str(), args(1));
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110 return 0;
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111 }
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112
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113 for (int i = 2; i < nargin; i++)
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114 {
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115 std::string str = args(i).string_value();
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116 if (error_state)
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117 {
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118 error ("%s: optional arguments must be strings", nm.c_str());
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119 break;
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120 }
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121 std::transform (str.begin (), str.end (), str.begin (), tolower);
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122 if (str.find("once", 0) == 0)
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123 {
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124 once = true;
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125 nopts--;
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126 }
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127 else if (str.find("matchcase", 0) == 0)
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128 {
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129 case_insensitive = false;
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130 nopts--;
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131 }
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132 else if (str.find("ignorecase", 0) == 0)
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133 {
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134 case_insensitive = true;
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135 nopts--;
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136 }
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137 else if (str.find("dotall", 0) == 0)
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138 {
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139 dotexceptnewline = false;
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140 nopts--;
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diff changeset
141 }
5785
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dbateman
parents: 5779
diff changeset
142 else if (str.find("stringanchors", 0) == 0)
10154
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parents: 9064
diff changeset
143 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
144 lineanchors = false;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
145 nopts--;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
146 }
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
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diff changeset
147 else if (str.find("literalspacing", 0) == 0)
10154
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parents: 9064
diff changeset
148 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
149 freespacing = false;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
150 nopts--;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
151 }
12464
dfeea9cae79e require PCRE to build Octave
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parents: 12462
diff changeset
152
5785
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parents: 5779
diff changeset
153 // Only accept these options with pcre
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
154 else if (str.find("dotexceptnewline", 0) == 0)
10154
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parents: 9064
diff changeset
155 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
156 dotexceptnewline = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
157 nopts--;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
158 }
5785
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dbateman
parents: 5779
diff changeset
159 else if (str.find("lineanchors", 0) == 0)
10154
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parents: 9064
diff changeset
160 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
161 lineanchors = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
162 nopts--;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
163 }
5785
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dbateman
parents: 5779
diff changeset
164 else if (str.find("freespacing", 0) == 0)
10154
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parents: 9064
diff changeset
165 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
166 freespacing = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
167 nopts--;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
168 }
5582
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jwe
parents:
diff changeset
169 else if (str.find("start", 0) && str.find("end", 0) &&
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
170 str.find("tokenextents", 0) && str.find("match", 0) &&
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
171 str.find("tokens", 0) && str.find("names", 0))
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
172 error ("%s: unrecognized option", nm.c_str());
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
173 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
174
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
175 if (!error_state)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
176 {
5785
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dbateman
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diff changeset
177 Cell t;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
178 std::string m;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
179 double s, e;
5582
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jwe
parents:
diff changeset
180
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
181 // named tokens "(?<name>...)" are only treated with PCRE not regex.
11586
12df7854fa7c strip trailing whitespace from source files
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diff changeset
182
5619
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diff changeset
183 size_t pos = 0;
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman]
dbateman
parents: 5582
diff changeset
184 size_t new_pos;
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman]
dbateman
parents: 5582
diff changeset
185 int nnames = 0;
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman]
dbateman
parents: 5582
diff changeset
186 int inames = 0;
5765
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe]
jwe
parents: 5760
diff changeset
187 std::ostringstream buf;
5619
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman]
dbateman
parents: 5582
diff changeset
188 Array<int> named_idx;
5582
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parents:
diff changeset
189
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
190 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
191 {
11586
12df7854fa7c strip trailing whitespace from source files
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parents: 11572
diff changeset
192 if (pattern.at (new_pos + 2) == '<' &&
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
193 !(pattern.at (new_pos + 3) == '=' ||
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
194 pattern.at (new_pos + 3) == '!'))
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
195 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
196 // The syntax of named tokens in pcre is "(?P<name>...)" while
11586
12df7854fa7c strip trailing whitespace from source files
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parents: 11572
diff changeset
197 // we need a syntax "(?<name>...)", so fix that here. Also an
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
198 // expression like
12df7854fa7c strip trailing whitespace from source files
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parents: 11572
diff changeset
199 // "(?<first>\w+)\s+(?<last>\w+)|(?<last>\w+),\s+(?<first>\w+)"
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
200 // 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
201 // 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
202 // 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
203 // 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
204
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
205 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
206
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
207 if (tmp_pos == std::string::npos)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
208 {
11553
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
209 error ("regexp: syntax error in pattern");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
210 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
211 }
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
212
11586
12df7854fa7c strip trailing whitespace from source files
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diff changeset
213 std::string tmp_name =
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
214 pattern.substr(new_pos+3,tmp_pos-new_pos-3);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
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parents: 9064
diff changeset
215 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
216
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
217 for (int i = 0; i < nnames; i++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
218 if (named(i) == tmp_name)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
219 {
12433
02669a1aa070 regexp.cc: avoid deprecated Array<T>:resize function
John W. Eaton <jwe@octave.org>
parents: 11590
diff changeset
220 named_idx.resize (dim_vector (inames+1, 1));
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
221 named_idx(inames) = i;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
222 found = true;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
223 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
224 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
225 if (! found)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
226 {
12433
02669a1aa070 regexp.cc: avoid deprecated Array<T>:resize function
John W. Eaton <jwe@octave.org>
parents: 11590
diff changeset
227 named_idx.resize (dim_vector (inames+1, 1));
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
228 named_idx(inames) = nnames;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
229 named.append(tmp_name);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
230 nnames++;
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 if (new_pos - pos > 0)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
234 buf << pattern.substr(pos,new_pos-pos);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
235 if (inames < 10)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
236 buf << "(?P<n00" << inames++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
237 else if (inames < 100)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
238 buf << "(?P<n0" << inames++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
239 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
240 buf << "(?P<n" << inames++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
241 pos = tmp_pos;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
242 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
243 else if (pattern.at (new_pos + 2) == '<')
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
244 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
245 // Find lookbehind operators of arbitrary length (ie like
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
246 // "(?<=[a-z]*)") and replace with a maximum length operator
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
247 // as PCRE can not yet handle arbitrary length lookahead
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
248 // operators. Use the string length as the maximum length to
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
249 // avoid issues.
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
250
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
251 int brackets = 1;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
252 size_t tmp_pos1 = new_pos + 2;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
253 size_t tmp_pos2 = tmp_pos1;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
254 while (tmp_pos1 <= pattern.length () && brackets > 0)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
255 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
256 char ch = pattern.at (tmp_pos1);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
257 if (ch == '(')
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
258 brackets++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
259 else if (ch == ')')
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
260 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
261 if (brackets > 1)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
262 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
263
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
264 brackets--;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
265 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
266 tmp_pos1++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
267 }
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
268
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
269 if (brackets != 0)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
270 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
271 buf << pattern.substr (pos, new_pos - pos) << "(?";
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
272 pos = new_pos + 2;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
273 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
274 else
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 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
277 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
278 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
279 if (!lookbehind_warned)
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 lookbehind_warned = true;
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
282 warning ("%s: arbitrary length lookbehind patterns are only supported up to length %d", nm.c_str(), MAXLOOKBEHIND);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
283 }
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
284
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
285 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
286
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
287 size_t i;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
288 if (pattern.at (tmp_pos3) == '*')
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
289 i = 0;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
290 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
291 i = 1;
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
292
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
293 for (; i < max_length + 1; i++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
294 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
295 buf << pattern.substr(new_pos, tmp_pos3 - new_pos)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
296 << "{" << i << "}";
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
297 buf << pattern.substr(tmp_pos3 + 1,
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
298 tmp_pos1 - tmp_pos3 - 1);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
299 if (i != max_length)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
300 buf << "|";
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
301 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
302 buf << ")";
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
303 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
304 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
305 buf << pattern.substr (pos, tmp_pos1 - pos);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
306 pos = tmp_pos1;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
307 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
308 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
309 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
310 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
311 buf << pattern.substr (pos, new_pos - pos) << "(?";
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
312 pos = new_pos + 2;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
313 }
5619
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman]
dbateman
parents: 5582
diff changeset
314
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
315 }
5619
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman]
dbateman
parents: 5582
diff changeset
316
5765
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe]
jwe
parents: 5760
diff changeset
317 buf << pattern.substr(pos);
5619
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman]
dbateman
parents: 5582
diff changeset
318
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman]
dbateman
parents: 5582
diff changeset
319 if (error_state)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
320 return 0;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
321
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
322 // Compile expression
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
323 pcre *re;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
324 const char *err;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
325 int erroffset;
5765
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe]
jwe
parents: 5760
diff changeset
326 std::string buf_str = buf.str ();
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe]
jwe
parents: 5760
diff changeset
327 re = pcre_compile (buf_str.c_str (),
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
328 (case_insensitive ? PCRE_CASELESS : 0) |
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
329 (dotexceptnewline ? 0 : PCRE_DOTALL) |
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
330 (lineanchors ? PCRE_MULTILINE : 0) |
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
331 (freespacing ? PCRE_EXTENDED : 0),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
332 &err, &erroffset, 0);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
333
10550
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
334 if (re == 0)
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
335 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
336 error("%s: %s at position %d of expression", nm.c_str(),
10550
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
337 err, erroffset);
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
338 return 0;
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
339 }
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
340
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
341 int subpatterns;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
342 int namecount;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
343 int nameentrysize;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
344 char *nametable;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
345 int idx = 0;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
346
7520
b166043585a8 use 0 instead of NULL
John W. Eaton <jwe@octave.org>
parents: 7242
diff changeset
347 pcre_fullinfo(re, 0, PCRE_INFO_CAPTURECOUNT, &subpatterns);
b166043585a8 use 0 instead of NULL
John W. Eaton <jwe@octave.org>
parents: 7242
diff changeset
348 pcre_fullinfo(re, 0, PCRE_INFO_NAMECOUNT, &namecount);
b166043585a8 use 0 instead of NULL
John W. Eaton <jwe@octave.org>
parents: 7242
diff changeset
349 pcre_fullinfo(re, 0, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
b166043585a8 use 0 instead of NULL
John W. Eaton <jwe@octave.org>
parents: 7242
diff changeset
350 pcre_fullinfo(re, 0, PCRE_INFO_NAMETABLE, &nametable);
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
351
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
352 OCTAVE_LOCAL_BUFFER(int, ovector, (subpatterns+1)*3);
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
353 OCTAVE_LOCAL_BUFFER(int, nidx, namecount);
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
354
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
355 for (int i = 0; i < namecount; i++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
356 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
357 // 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
358 // Extract index.
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
359 nidx[i] = (static_cast<int>(nametable[i*nameentrysize])) << 8 |
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
360 static_cast<int>(nametable[i*nameentrysize+1]);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
361 }
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
362
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
363 while(true)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
364 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
365 OCTAVE_QUIT;
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
366
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
367 int matches = pcre_exec(re, 0, buffer.c_str(),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
368 buffer.length(), idx,
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
369 (idx ? PCRE_NOTBOL : 0),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
370 ovector, (subpatterns+1)*3);
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
371
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
372 if (matches == PCRE_ERROR_MATCHLIMIT)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
373 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
374 // try harder; start with default value for MATCH_LIMIT and increase it
11590
4ced6b90fffb style fixes for warning and error messages in source files
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
375 warning ("your pattern caused PCRE to hit its MATCH_LIMIT; trying harder now, but this will be slow");
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
376 pcre_extra pe;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
377 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
378 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
379
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
380 int i = 0;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
381 while (matches == PCRE_ERROR_MATCHLIMIT &&
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
382 i++ < PCRE_MATCHLIMIT_MAX)
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;
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
385
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
386 pe.match_limit *= 10;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
387 matches = pcre_exec(re, &pe, buffer.c_str(),
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
388 buffer.length(), idx,
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
389 (idx ? PCRE_NOTBOL : 0),
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
390 ovector, (subpatterns+1)*3);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
391 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
392 }
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
393
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
394 if (matches < 0 && matches != PCRE_ERROR_NOMATCH)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
395 {
11590
4ced6b90fffb style fixes for warning and error messages in source files
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
396 error ("%s: internal error calling pcre_exec; error code from pcre_exec is %i",
4ced6b90fffb style fixes for warning and error messages in source files
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
397 nm.c_str(), matches);
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
398 pcre_free(re);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
399 return 0;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
400 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
401 else if (matches == PCRE_ERROR_NOMATCH)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
402 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
403 else if (ovector[1] <= ovector[0])
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
404 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
405 // 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
406 idx = ovector[0] + 1;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
407 continue;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
408 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
409 else
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 int pos_match = 0;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
412 Matrix te(matches-1,2);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
413 for (int i = 1; i < matches; i++)
10518
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
414 if (ovector[2*i] >= 0 && ovector[2*i+1] > 0)
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
415 if (i == 1 || ovector[2*i] != ovector[2*i-2]
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
416 || ovector[2*i-1] != ovector[2*i+1])
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
417 {
10518
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
418 if (ovector[2*i] >= 0 && ovector[2*i+1] > 0)
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
419 {
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
420 te(pos_match,0) = double (ovector[2*i]+1);
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
421 te(pos_match++,1) = double (ovector[2*i+1]);
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
422 }
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
423 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
424 te.resize(pos_match,2);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
425 s = double (ovector[0]+1);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
426 e = double (ovector[1]);
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
427
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
428 const char **listptr;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
429 int status = pcre_get_substring_list(buffer.c_str(), ovector,
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
430 matches, &listptr);
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
431
10550
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
432 if (status == PCRE_ERROR_NOMEMORY)
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
433 {
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
434 error("%s: cannot allocate memory in pcre_get_substring_list",
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
435 nm.c_str());
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
436 pcre_free(re);
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
437 return 0;
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
438 }
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
439
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
440 Cell cell_t (dim_vector(1,pos_match));
10518
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
441 string_vector named_tokens(nnames);
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
442 int pos_offset = 0;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
443 pos_match = 0;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
444 for (int i = 1; i < matches; i++)
10550
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
445 if (ovector[2*i] >= 0 && ovector[2*i+1] > 0)
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
446 {
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
447 if (i == 1 || ovector[2*i] != ovector[2*i-2]
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
448 || ovector[2*i-1] != ovector[2*i+1])
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
449 {
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
450 if (namecount > 0)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
451 named_tokens(named_idx(i-pos_offset-1)) =
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
452 std::string(*(listptr+nidx[i-pos_offset-1]));
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
453 cell_t(pos_match++) =
10550
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
454 std::string(*(listptr+i));
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
455 }
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
456 else
c48b7048e720 style fixes
John W. Eaton <jwe@octave.org>
parents: 10546
diff changeset
457 pos_offset++;
10546
f5b8b28917a2 Eliminate compile warning about explicit braces
Rik <code@nomad.inbox5.com>
parents: 10518
diff changeset
458 }
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 pcre_free_substring_list(listptr);
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
464
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
465 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
466 lst.push_back (new_elem);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
467 idx = ovector[1];
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
468 sz++;
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
469
11002
2538d03489cc avoid infinite loop in regexp searches with PCRE
John W. Eaton <jwe@octave.org>
parents: 10846
diff changeset
470 if (once || idx >= buffer.length ())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
471 break;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
472
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
473 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
474 }
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
475
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
476 pcre_free(re);
12464
dfeea9cae79e require PCRE to build Octave
John W. Eaton <jwe@octave.org>
parents: 12462
diff changeset
477 }
8619
930a8114197b For zero length matches in regexp, advance index by one and try again
David Bateman <dbateman@free.fr>
parents: 8477
diff changeset
478
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
479 return sz;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
480 }
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
481
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
482 static octave_value_list
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
483 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
484 bool case_insensitive)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
485 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
486 octave_value_list retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
487 int nargin = args.length();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
488 std::list<regexp_elem> lst;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
489 string_vector named;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
490 int nopts;
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
491 bool once;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
492 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
493
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
494 if (! error_state)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
495 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
496 // 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
497
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
498 octave_idx_type i = 0;
11045
cc3aad9dd3ef dispatch.cc, fltk_backend.cc, regexp.cc: use octave_scalar_map instead of Octave_map
John W. Eaton <jwe@octave.org>
parents: 11032
diff changeset
499 octave_scalar_map nmap;
12464
dfeea9cae79e require PCRE to build Octave
John W. Eaton <jwe@octave.org>
parents: 12462
diff changeset
500
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
501 if (sz == 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
502 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
503 for (int j = 0; j < named.length(); j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
504 nmap.assign (named(j), lst.begin()->named_token(j));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
505 retval(5) = nmap;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
506 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
507 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
508 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
509 for (int j = 0; j < named.length (); j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
510 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
511 i = 0;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
512 Cell tmp(dim_vector (1, sz));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
513 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
514 tmp(i++) = p->named_token(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
515 nmap.assign (named(j), octave_value (tmp));
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
516 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
517 retval(5) = nmap;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
518 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
519
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
520 if (once)
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
521 retval(4) = sz ? lst.front ().t : Cell();
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
522 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
523 {
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
524 Cell t (dim_vector(1, sz));
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
525 i = 0;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
526 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
527 t(i++) = p->t;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
528 retval(4) = t;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
529 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
530
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
531 if (once)
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
532 retval(3) = sz ? lst.front ().m : std::string();
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
533 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
534 {
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
535 Cell m (dim_vector(1, sz));
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
536 i = 0;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
537 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
538 m(i++) = p->m;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
539 retval(3) = m;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
540 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
541
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
542 if (once)
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
543 retval(2) = sz ? lst.front ().te : Matrix();
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
544 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
545 {
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
546 Cell te (dim_vector(1, sz));
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
547 i = 0;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
548 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
549 te(i++) = p->te;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
550 retval(2) = te;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
551 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
552
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
553 if (once)
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
554 {
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
555 if (sz)
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
556 retval(1) = lst.front ().e;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
557 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
558 retval(1) = Matrix();
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
559 }
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
560 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
561 {
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
562 NDArray e (dim_vector(1, sz));
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
563 i = 0;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
564 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
565 e(i++) = p->e;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
566 retval(1) = e;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
567 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
568
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
569 if (once)
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
570 {
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
571 if (sz)
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
572 retval(0) = lst.front ().s;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
573 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
574 retval(0) = Matrix();
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
575 }
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
576 else
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
577 {
10551
fb14397f73cb style fixes
John W. Eaton <jwe@octave.org>
parents: 10550
diff changeset
578 NDArray s (dim_vector(1, sz));
fb14397f73cb style fixes
John W. Eaton <jwe@octave.org>
parents: 10550
diff changeset
579
fb14397f73cb style fixes
John W. Eaton <jwe@octave.org>
parents: 10550
diff changeset
580 i = 0;
fb14397f73cb style fixes
John W. Eaton <jwe@octave.org>
parents: 10550
diff changeset
581 for (const_iterator p = lst.begin(); p != lst.end(); p++)
fb14397f73cb style fixes
John W. Eaton <jwe@octave.org>
parents: 10550
diff changeset
582 s(i++) = p->s;
fb14397f73cb style fixes
John W. Eaton <jwe@octave.org>
parents: 10550
diff changeset
583 retval(0) = s;
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
584 }
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
585
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
586 // Alter the order of the output arguments
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
587 if (nopts > 0)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
588 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
589 int n = 0;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
590 octave_value_list new_retval;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
591 new_retval.resize(nargout);
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
592
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
593 OCTAVE_LOCAL_BUFFER (int, arg_used, 6);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
594 for (int j = 0; j < 6; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
595 arg_used[j] = false;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
596
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
597 for (int j = 2; j < nargin; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
598 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
599 int k = 0;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
600 std::string str = args(j).string_value();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
601 std::transform (str.begin (), str.end (), str.begin (), tolower);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
602 if (str.find("once", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
603 || str.find("stringanchors", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
604 || str.find("lineanchors", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
605 || str.find("matchcase", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
606 || str.find("ignorecase", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
607 || str.find("dotall", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
608 || str.find("dotexceptnewline", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
609 || str.find("literalspacing", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
610 || str.find("freespacing", 0) == 0
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
611 )
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
612 continue;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
613 else if (str.find("start", 0) == 0)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
614 k = 0;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
615 else if (str.find("end", 0) == 0)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
616 k = 1;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
617 else if (str.find("tokenextents", 0) == 0)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
618 k = 2;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
619 else if (str.find("match", 0) == 0)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
620 k = 3;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
621 else if (str.find("tokens", 0) == 0)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
622 k = 4;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
623 else if (str.find("names", 0) == 0)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
624 k = 5;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
625
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
626 new_retval(n++) = retval(k);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
627 arg_used[k] = true;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
628
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
629 if (n == nargout)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
630 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
631 }
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
632
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
633 // Fill in the rest of the arguments
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
634 if (n < nargout)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
635 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
636 for (int j = 0; j < 6; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
637 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
638 if (! arg_used[j])
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
639 new_retval(n++) = retval(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
640 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
641 }
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
642
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
643 retval = new_retval;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
644 }
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
645 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
646
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
647 return retval;
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
648 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
649
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
650 static octave_value_list
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
651 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
652 bool case_insensitive)
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
653 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
654 octave_value_list retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
655
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
656 if (args(0).is_cell())
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
657 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
658 OCTAVE_LOCAL_BUFFER (Cell, newretval, nargout);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
659 octave_value_list new_args = args;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
660 Cell cellstr = args(0).cell_value();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
661 if (args(1).is_cell())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
662 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
663 Cell cellpat = args(1).cell_value();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
664
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
665 if (cellpat.numel() == 1)
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 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
668 newretval[j].resize(cellstr.dims());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
669
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
670 new_args(1) = cellpat(0);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
671
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
672 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
673 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
674 new_args(0) = cellstr(i);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
675 octave_value_list tmp = octregexp (new_args, nargout, nm,
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
676 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
677
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
678 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
679 break;
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
680
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
681 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
682 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
683 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
684 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
685 else if (cellstr.numel() == 1)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
686 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
687 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
688 newretval[j].resize(cellpat.dims());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
689
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
690 new_args(0) = cellstr(0);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
691
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
692 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
693 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
694 new_args(1) = cellpat(i);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
695 octave_value_list tmp = octregexp (new_args, nargout, nm,
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
696 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
697
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
698 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
699 break;
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
700
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
701 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
702 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
703 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
704 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
705 else if (cellstr.numel() == cellpat.numel())
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
706 {
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
707
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
708 if (cellstr.dims() != cellpat.dims())
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
709 error ("%s: Inconsistent cell array dimensions", nm.c_str());
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
710 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
711 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
712 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
713 newretval[j].resize(cellstr.dims());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
714
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
715 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
716 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
717 new_args(0) = cellstr(i);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
718 new_args(1) = cellpat(i);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
719
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
720 octave_value_list tmp = octregexp (new_args, nargout, nm,
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
721 case_insensitive);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
722
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
723 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
724 break;
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
725
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
726 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
727 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
728 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
729 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
730 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
731 else
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
732 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
733 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
734 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
735 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
736 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
737 newretval[j].resize(cellstr.dims());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
738
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
739 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
740 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
741 new_args(0) = cellstr(i);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
742 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
743
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
744 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
745 break;
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
746
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
747 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
748 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
749 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
750 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
751
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
752 if (!error_state)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
753 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
754 retval(j) = octave_value (newretval[j]);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
755 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
756 else if (args(1).is_cell())
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
757 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
758 OCTAVE_LOCAL_BUFFER (Cell, newretval, nargout);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
759 octave_value_list new_args = args;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
760 Cell cellpat = args(1).cell_value();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
761
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
762 for (int j = 0; j < nargout; j++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
763 newretval[j].resize(cellpat.dims());
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
764
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
765 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
766 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
767 new_args(1) = cellpat(i);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
768 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
769
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
770 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
771 break;
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
772
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
773 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
774 newretval[j](i) = tmp(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
775 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
776
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
777 if (!error_state)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
778 for (int j = 0; j < nargout; j++)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
779 retval(j) = octave_value (newretval[j]);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
780 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
781 else
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
782 retval = octregexp (args, nargout, nm, case_insensitive);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
783
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
784 return retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
785
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
786 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
787
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
788 DEFUN_DLD (regexp, args, nargout,
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
789 "-*- texinfo -*-\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
790 @deftypefn {Loadable Function} {[@var{s}, @var{e}, @var{te}, @var{m}, @var{t}, @var{nm}] =} regexp (@var{str}, @var{pat})\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
791 @deftypefnx {Loadable Function} {[@dots{}] =} regexp (@var{str}, @var{pat}, \"@var{opt1}\", @dots{})\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
792 Regular expression string matching. Search for @var{pat} in @var{str} and\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
793 return the positions and substrings of any matches, or empty values if there\n\
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
794 are none.\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
795 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
796 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
797 operators, including:\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
798 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
799 @table @code\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
800 @item .\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
801 Match any character\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
802 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
803 @item * + ? @{@}\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
804 Repetition operators, representing\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
805 @table @code\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
806 @item *\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
807 Match zero or more times\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
808 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
809 @item +\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
810 Match one or more times\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
811 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
812 @item ?\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
813 Match zero or one times\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
814 \n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
815 @item @{@var{n}@}\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
816 Match exactly @var{n} times\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
817 \n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
818 @item @{@var{n},@}\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
819 Match @var{n} or more times\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
820 \n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
821 @item @{@var{m},@var{n}@}\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
822 Match between @var{m} and @var{n} times\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
823 @end table\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
824 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
825 @item [@dots{}] [^@dots{}]\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
826 \n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
827 List operators. The pattern will match any character listed between \"[\"\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
828 and \"]\". If the first character is \"^\" then the pattern is inverted and\n\
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
829 any character except those listed between brackets will match.\n\
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
830 \n\
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
831 Escape sequences defined below can also be used inside list\n\
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
832 operators. For example, a template for a floating point number might be\n\
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
833 @code{[-+.\\d]+}.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
834 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
835 @item ()\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
836 Grouping operator\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
837 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
838 @item |\n\
9036
58604c45ca74 Cleanup of data types related documentation
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
839 Alternation operator. Match one of a choice of regular expressions. The\n\
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
840 alternatives must be delimited by the grouping operator @code{()} above.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
841 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
842 @item ^ $\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
843 Anchoring operators. Requires pattern to occur at the start (@code{^}) or\n\
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
844 end (@code{$}) of the string.\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
845 @end table\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
846 \n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
847 In addition, the following escaped characters have special meaning. Note,\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
848 it is recommended to quote @var{pat} in single quotes, rather than double\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
849 quotes, to avoid the escape sequences being interpreted by Octave before\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
850 being passed to @code{regexp}.\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
851 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
852 @table @code\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
853 @item \\b\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
854 Match a word boundary\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
855 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
856 @item \\B\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
857 Match within a word\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
858 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
859 @item \\w\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
860 Match any word character\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
861 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
862 @item \\W\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
863 Match any non-word character\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
864 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
865 @item \\<\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
866 Match the beginning of a word\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
867 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
868 @item \\>\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
869 Match the end of a word\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
870 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
871 @item \\s\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
872 Match any whitespace character\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
873 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
874 @item \\S\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
875 Match any non-whitespace character\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
876 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
877 @item \\d\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
878 Match any digit\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
879 \n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
880 @item \\D\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
881 Match any non-digit\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
882 @end table\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
883 \n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
884 The outputs of @code{regexp} default to the order given below\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
885 \n\
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
886 @table @var\n\
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
887 @item s\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
888 The start indices of each matching substring\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
889 \n\
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
890 @item e\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
891 The end indices of each matching substring\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
892 \n\
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
893 @item te\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
894 The extents of each matched token surrounded by @code{(@dots{})} in\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
895 @var{pat}\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
896 \n\
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
897 @item m\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
898 A cell array of the text of each match\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
899 \n\
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
900 @item t\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
901 A cell array of the text of each token matched\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
902 \n\
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
903 @item nm\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
904 A structure containing the text of each matched named token, with the name\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
905 being used as the fieldname. A named token is denoted by\n\
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
906 @code{(?<name>@dots{})}.\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
907 @end table\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
908 \n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
909 Particular output arguments, or the order of the output arguments, can be\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
910 selected by additional @var{opt} arguments. These are strings and the\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
911 correspondence between the output arguments and the optional argument\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
912 are\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
913 \n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
914 @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
915 @item @tab 'start' @tab @var{s} @tab\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
916 @item @tab 'end' @tab @var{e} @tab\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
917 @item @tab 'tokenExtents' @tab @var{te} @tab\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
918 @item @tab 'match' @tab @var{m} @tab\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
919 @item @tab 'tokens' @tab @var{t} @tab\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
920 @item @tab 'names' @tab @var{nm} @tab\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
921 @end multitable\n\
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
922 \n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
923 Additional arguments are summarized below.\n\
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
924 \n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
925 @table @samp\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
926 @item once\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
927 Return only the first occurrence of the pattern.\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
928 \n\
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
929 @item matchcase\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
930 Make the matching case sensitive. (default)\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
931 \n\
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
932 Alternatively, use (?-i) in the pattern.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
933 \n\
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
934 @item ignorecase\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
935 Ignore case when matching the pattern to the string.\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
936 \n\
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
937 Alternatively, use (?i) in the pattern.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
938 \n\
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
939 @item stringanchors\n\
12642
f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation.
Rik <octave@nomad.inbox5.com>
parents: 12464
diff changeset
940 Match the anchor characters at the beginning and end of the string.\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
941 (default)\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
942 \n\
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
943 Alternatively, use (?-m) in the pattern.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
944 \n\
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
945 @item lineanchors\n\
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
946 Match the anchor characters at the beginning and end of the line.\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
947 \n\
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
948 Alternatively, use (?m) in the pattern.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
949 \n\
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
950 @item dotall\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
951 The pattern @code{.} matches all characters including the newline character.\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
952 (default)\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
953 \n\
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
954 Alternatively, use (?s) in the pattern.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
955 \n\
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
956 @item dotexceptnewline\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
957 The pattern @code{.} matches all characters except the newline character.\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
958 \n\
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
959 Alternatively, use (?-s) in the pattern.\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
960 \n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
961 @item literalspacing\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
962 All characters in the pattern, including whitespace, are significant and are\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
963 used in pattern matching. (default)\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
964 \n\
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
965 Alternatively, use (?-x) in the pattern.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
966 \n\
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
967 @item freespacing\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
968 The pattern may include arbitrary whitespace and also comments beginning with\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
969 the character @samp{#}.\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
970 \n\
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
971 Alternatively, use (?x) in the pattern.\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
972 \n\
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
973 @end table\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11553
diff changeset
974 @seealso{regexpi, strfind, regexprep}\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
975 @end deftypefn")
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
976 {
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
977 octave_value_list retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
978 int nargin = args.length();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
979
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
980 if (nargin < 2)
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
981 print_usage ();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
982 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
983 retval = octcellregexp (args, nargout, "regexp", false);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
984 else
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
985 retval = octregexp (args, nargout, "regexp", false);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
986
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
987 return retval;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
988 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
989
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
990 /*
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
991
8140
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
992 ## PCRE_ERROR_MATCHLIMIT test
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
993 %!test
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
994 %! 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
995 %! ws = warning("query");
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
996 %! unwind_protect
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
997 %! warning("off");
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
998 %! 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
999 %! unwind_protect_cleanup
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
1000 %! warning(ws);
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
1001 %! end_unwind_protect
cdd05e46f6c9 Increase pcre's match_limit for difficult regexps
Thomas Weber <thomas.weber.mail@gmail.com>
parents: 8093
diff changeset
1002
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1003 ## seg-fault test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1004 %!assert(regexp("abcde","."),[1,2,3,4,5])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1005
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1006 ## Check that anchoring of pattern works correctly
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1007 %!assert(regexp('abcabc','^abc'),1);
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1008 %!assert(regexp('abcabc','abc$'),4);
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1009 %!assert(regexp('abcabc','^abc$'),zeros(1,0));
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 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1012 %! [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
1013 %! assert (s,zeros(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1014 %! assert (e,zeros(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1015 %! assert (te,cell(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1016 %! assert (m, cell(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1017 %! assert (t, cell(1,0))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1018
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1019 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1020 %! [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
1021 %! assert (s,zeros(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1022 %! assert (e,zeros(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1023 %! assert (te,cell(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1024 %! assert (m, cell(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1025 %! assert (t, cell(1,0))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1026
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1027 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1028 %! [s, e, te, m, t] = regexp(' firetruck ', 'f(.*)uck');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1029 %! assert (s,2)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1030 %! assert (e,10)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1031 %! assert (te{1},[3,7])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1032 %! assert (m{1}, 'firetruck')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1033 %! assert (t{1}{1}, 'iretr')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1034
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1035 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1036 %! [s, e, te, m, t] = regexp('short test string','\w*r\w*');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1037 %! assert (s,[1,12])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1038 %! assert (e,[5,17])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1039 %! assert (size(te), [1,2])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1040 %! assert (isempty(te{1}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1041 %! assert (isempty(te{2}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1042 %! assert (m{1},'short')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1043 %! assert (m{2},'string')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1044 %! assert (size(t), [1,2])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1045 %! assert (isempty(t{1}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1046 %! assert (isempty(t{2}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1047
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1048 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1049 %! [s, e, te, m, t] = regexp('short test string','\w*r\w*','once');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1050 %! assert (s,1)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1051 %! assert (e,5)
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1052 %! assert (isempty(te))
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1053 %! assert (m,'short')
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1054 %! assert (isempty(t))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1055
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1056 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1057 %! [m, te, e, s, t] = regexp('short test string','\w*r\w*','once', 'match', 'tokenExtents', 'end', 'start', 'tokens');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1058 %! assert (s,1)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1059 %! assert (e,5)
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1060 %! assert (isempty(te))
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1061 %! assert (m,'short')
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1062 %! assert (isempty(t))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1063
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1064 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1065 %! [s, e, te, m, t, nm] = regexp('short test string','(?<word1>\w*t)\s*(?<word2>\w*t)');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1066 %! assert (s,1)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1067 %! assert (e,10)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1068 %! assert (size(te), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1069 %! assert (te{1}, [1 5; 7, 10])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1070 %! assert (m{1},'short test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1071 %! assert (size(t),[1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1072 %! assert (t{1}{1},'short')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1073 %! assert (t{1}{2},'test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1074 %! assert (size(nm), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1075 %! assert (!isempty(fieldnames(nm)))
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1076 %! assert (sort(fieldnames(nm)),{'word1';'word2'})
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1077 %! assert (nm.word1,'short')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1078 %! assert (nm.word2,'test')
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1079
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1080 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1081 %! [nm, m, te, e, s, t] = regexp('short test string','(?<word1>\w*t)\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
1082 %! assert (s,1)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1083 %! assert (e,10)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1084 %! assert (size(te), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1085 %! assert (te{1}, [1 5; 7, 10])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1086 %! assert (m{1},'short test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1087 %! assert (size(t),[1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1088 %! assert (t{1}{1},'short')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1089 %! assert (t{1}{2},'test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1090 %! assert (size(nm), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1091 %! assert (!isempty(fieldnames(nm)))
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1092 %! assert (sort(fieldnames(nm)),{'word1';'word2'})
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1093 %! assert (nm.word1,'short')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1094 %! assert (nm.word2,'test')
5619
e9112ff172b1 [project @ 2006-02-13 20:05:36 by dbateman]
dbateman
parents: 5582
diff changeset
1095
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1096 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1097 %! [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
1098 %! assert (size(t), [1,2]);
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1099 %! assert (t{1}{1},'John');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1100 %! assert (t{1}{2},'Davis');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1101 %! assert (t{2}{1},'Rogers');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1102 %! assert (t{2}{2},'James');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1103 %! assert (size(nm), [1,1]);
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1104 %! assert (nm.first{1},'John');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1105 %! assert (nm.first{2},'James');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1106 %! assert (nm.last{1},'Davis');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1107 %! assert (nm.last{2},'Rogers');
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1108
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1109 %!test
10518
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
1110 %! # Parenthesis in named token (ie (int)) causes a problem
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
1111 %! assert (regexp('qwe int asd', ['(?<typestr>(int))'], 'names'), struct ('typestr', 'int'));
fcafe0e9bd58 Handle repeated matches in matches returned by pcre
David Bateman <dbateman@free.fr>
parents: 10504
diff changeset
1112
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1113 %!assert(regexp("abc\nabc",'.'),[1:7])
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1114 %!assert(regexp("abc\nabc",'.','dotall'),[1:7])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1115 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1116 %! assert(regexp("abc\nabc",'(?s).'),[1:7])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1117 %! 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
1118 %! 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
1119
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1120 %!assert(regexp("caseCaSe",'case'),1)
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1121 %!assert(regexp("caseCaSe",'case',"matchcase"),1)
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1122 %!assert(regexp("caseCaSe",'case',"ignorecase"),[1,5])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1123 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1124 %! assert(regexp("caseCaSe",'(?-i)case'),1)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1125 %! assert(regexp("caseCaSe",'(?i)case'),[1,5])
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1126
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1127 %!assert (regexp("abc\nabc",'c$'),7)
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1128 %!assert (regexp("abc\nabc",'c$',"stringanchors"),7)
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1129 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1130 %! assert (regexp("abc\nabc",'(?-m)c$'),7)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1131 %! assert (regexp("abc\nabc",'c$',"lineanchors"),[3,7])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1132 %! assert (regexp("abc\nabc",'(?m)c$'),[3,7])
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1133
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1134 %!assert (regexp("this word",'s w'),4)
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1135 %!assert (regexp("this word",'s w','literalspacing'),4)
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1136 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1137 %! assert (regexp("this word",'(?-x)s w','literalspacing'),4)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1138 %! 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
1139 %! 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
1140
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1141 %!error regexp('string', 'tri', 'BadArg');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1142 %!error regexp('string');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1143
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1144 %!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
1145 %!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
1146 %!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
1147 %!assert(regexp('Strings',{'t','s'}),{2,7})
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1148
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
1149 ## Test case for lookaround operators
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1150 %!test
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1151 %! assert(regexp('Iraq','q(?!u)'),4)
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1152 %! assert(regexp('quit','q(?!u)'), zeros(1,0))
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1153 %! assert(regexp('quit','q(?=u)','match'), {'q'})
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1154 %! assert(regexp("quit",'q(?=u+)','match'), {'q'})
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1155 %! assert(regexp("qit",'q(?=u+)','match'), cell(1,0))
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1156 %! assert(regexp("qit",'q(?=u*)','match'), {'q'})
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1157 %! assert(regexp('thingamabob','(?<=a)b'), 9)
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
1158
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1159 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1160
6549
5a5a09d7deb8 [project @ 2007-04-20 06:55:29 by jwe]
jwe
parents: 6547
diff changeset
1161 DEFUN_DLD (regexpi, args, nargout,
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1162 "-*- texinfo -*-\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
1163 @deftypefn {Loadable Function} {[@var{s}, @var{e}, @var{te}, @var{m}, @var{t}, @var{nm}] =} regexpi (@var{str}, @var{pat})\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1164 @deftypefnx {Loadable Function} {[@dots{}] =} regexpi (@var{str}, @var{pat}, \"@var{opt1}\", @dots{})\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1165 \n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1166 Case insensitive regular expression string matching. Search for @var{pat} in\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1167 @var{str} and return the positions and substrings of any matches, or empty\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1168 values if there are none. @xref{doc-regexp,,regexp}, for details on the\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1169 syntax of the search pattern.\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1170 @seealso{regexp}\n\
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1171 @end deftypefn")
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1172 {
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1173 octave_value_list retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1174 int nargin = args.length();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1175
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1176 if (nargin < 2)
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1177 print_usage ();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1178 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
1179 retval = octcellregexp (args, nargout, "regexpi", true);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1180 else
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1181 retval = octregexp (args, nargout, "regexpi", true);
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1182
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1183 return retval;
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1184 }
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1185
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1186 /*
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1187
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1188 ## seg-fault test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1189 %!assert(regexpi("abcde","."),[1,2,3,4,5])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1190
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1191 ## Check that anchoring of pattern works correctly
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1192 %!assert(regexpi('abcabc','^ABC'),1);
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1193 %!assert(regexpi('abcabc','ABC$'),4);
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1194 %!assert(regexpi('abcabc','^ABC$'),zeros(1,0));
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1195
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1196 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1197 %! [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
1198 %! assert (s,zeros(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1199 %! assert (e,zeros(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1200 %! assert (te,cell(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1201 %! assert (m, cell(1,0))
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1202 %! assert (t, cell(1,0))
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 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1205 %! [s, e, te, m, t] = regexpi(' FiRetrUck ', 'f(.*)uck');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1206 %! assert (s,2)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1207 %! assert (e,10)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1208 %! assert (te{1},[3,7])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1209 %! assert (m{1}, 'FiRetrUck')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1210 %! assert (t{1}{1}, 'iRetr')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1211
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1212 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1213 %! [s, e, te, m, t] = regexpi(' firetruck ', 'f(.*)uck');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1214 %! assert (s,2)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1215 %! assert (e,10)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1216 %! assert (te{1},[3,7])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1217 %! assert (m{1}, 'firetruck')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1218 %! assert (t{1}{1}, 'iretr')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1219
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1220 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1221 %! [s, e, te, m, t] = regexpi('ShoRt Test String','\w*r\w*');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1222 %! assert (s,[1,12])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1223 %! assert (e,[5,17])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1224 %! assert (size(te), [1,2])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1225 %! assert (isempty(te{1}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1226 %! assert (isempty(te{2}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1227 %! assert (m{1},'ShoRt')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1228 %! assert (m{2},'String')
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1229 %! assert (size(t), [1,2])
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1230 %! assert (isempty(t{1}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1231 %! assert (isempty(t{2}))
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1232
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1233 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1234 %! [s, e, te, m, t] = regexpi('ShoRt Test String','\w*r\w*','once');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1235 %! assert (s,1)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1236 %! assert (e,5)
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1237 %! assert (isempty(te))
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1238 %! assert (m,'ShoRt')
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1239 %! assert (isempty(t))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1240
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1241 %!test
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1242 %! [m, te, e, s, t] = regexpi('ShoRt Test String','\w*r\w*','once', 'match', 'tokenExtents', 'end', 'start', 'tokens');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1243 %! assert (s,1)
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1244 %! assert (e,5)
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1245 %! assert (isempty(te))
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1246 %! assert (m,'ShoRt')
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1247 %! assert (isempty(t))
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1248
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1249 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1250 %! [s, e, te, m, t, nm] = regexpi('ShoRt Test String','(?<word1>\w*t)\s*(?<word2>\w*t)');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1251 %! assert (s,1)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1252 %! assert (e,10)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1253 %! assert (size(te), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1254 %! assert (te{1}, [1 5; 7, 10])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1255 %! assert (m{1},'ShoRt Test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1256 %! assert (size(t),[1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1257 %! assert (t{1}{1},'ShoRt')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1258 %! assert (t{1}{2},'Test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1259 %! assert (size(nm), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1260 %! assert (!isempty(fieldnames(nm)))
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1261 %! assert (sort(fieldnames(nm)),{'word1';'word2'})
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1262 %! assert (nm.word1,'ShoRt')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1263 %! assert (nm.word2,'Test')
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1264
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1265 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1266 %! [nm, m, te, e, s, t] = regexpi('ShoRt Test String','(?<word1>\w*t)\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
1267 %! assert (s,1)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1268 %! assert (e,10)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1269 %! assert (size(te), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1270 %! assert (te{1}, [1 5; 7, 10])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1271 %! assert (m{1},'ShoRt Test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1272 %! assert (size(t),[1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1273 %! assert (t{1}{1},'ShoRt')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1274 %! assert (t{1}{2},'Test')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1275 %! assert (size(nm), [1,1])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1276 %! assert (!isempty(fieldnames(nm)))
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1277 %! assert (sort(fieldnames(nm)),{'word1';'word2'})
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1278 %! assert (nm.word1,'ShoRt')
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1279 %! assert (nm.word2,'Test')
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1280
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1281 %!assert(regexpi("abc\nabc",'.'),[1:7])
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1282 %!assert(regexpi("abc\nabc",'.','dotall'),[1:7])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1283 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1284 %! assert(regexpi("abc\nabc",'(?s).'),[1:7])
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1285 %! 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
1286 %! 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
1287
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1288 %!assert(regexpi("caseCaSe",'case'),[1,5])
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1289 %!assert(regexpi("caseCaSe",'case',"matchcase"),1)
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1290 %!assert(regexpi("caseCaSe",'case',"ignorecase"),[1,5])
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1291 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1292 %! assert(regexpi("caseCaSe",'(?-i)case'),1)
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1293 %! assert(regexpi("caseCaSe",'(?i)case'),[1,5])
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1294
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1295 %!assert (regexpi("abc\nabc",'C$'),7)
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1296 %!assert (regexpi("abc\nabc",'C$',"stringanchors"),7)
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1297 %!test
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1298 %! assert (regexpi("abc\nabc",'(?-m)C$'),7)
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1299 %! assert (regexpi("abc\nabc",'C$',"lineanchors"),[3,7])
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1300 %! assert (regexpi("abc\nabc",'(?m)C$'),[3,7])
5779
12eeebfa7ead [project @ 2006-04-27 19:30:14 by dbateman]
dbateman
parents: 5775
diff changeset
1301
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1302 %!assert (regexpi("this word",'S w'),4)
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1303 %!assert (regexpi("this word",'S w','literalspacing'),4)
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1304 %!test
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1305 %! assert (regexpi("this word",'(?-x)S w','literalspacing'),4)
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1306 %! assert (regexpi("this word",'S w','freespacing'),zeros(1,0))
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1307 %! 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
1308
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1309 %!error regexpi('string', 'tri', 'BadArg');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1310 %!error regexpi('string');
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1311
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1312 %!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
1313 %!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
1314 %!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
1315 %!assert(regexpi('Strings',{'t','s'}),{2,[1,7]})
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1316
5582
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1317 */
6bf56668b01a [project @ 2005-12-15 01:08:20 by jwe]
jwe
parents:
diff changeset
1318
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1319
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1320 static octave_value
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1321 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
1322 {
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1323 octave_value retval;
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1324 int nargin = args.length();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1325
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1326 // Make sure we have string,pattern,replacement
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1327 const std::string buffer = args(0).string_value ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1328 if (error_state) return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1329 const std::string pattern = args(1).string_value ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1330 if (error_state) return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1331 const std::string replacement = args(2).string_value ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1332 if (error_state) return retval;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1333
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1334 // Pack options excluding 'tokenize' and various output
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1335 // reordering strings into regexp arg list
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1336 octave_value_list regexpargs(nargin-1,octave_value());
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1337 regexpargs(0) = args(0);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1338 regexpargs(1) = args(1);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1339 int len=2;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1340 for (int i = 3; i < nargin; i++)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1341 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1342 const std::string opt = args(i).string_value();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1343 if (opt != "tokenize" && opt != "start" && opt != "end"
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1344 && opt != "tokenextents" && opt != "match" && opt != "tokens"
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1345 && opt != "names" && opt != "warnings")
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1346 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1347 regexpargs(len++) = args(i);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1348 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1349 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1350 regexpargs.resize(len);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1351
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1352 // Identify replacement tokens; build a vector of group numbers in
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1353 // the replacement string so that we can quickly calculate the size
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1354 // of the replacement.
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1355 int tokens = 0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1356 for (size_t i=1; i < replacement.size(); i++)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1357 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1358 if (replacement[i-1]=='$' && isdigit(replacement[i]))
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1359 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1360 tokens++, i++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1361 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1362 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1363 std::vector<int> token(tokens);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1364 int kk = 0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1365 for (size_t i = 1; i < replacement.size(); i++)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1366 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1367 if (replacement[i-1]=='$' && isdigit(replacement[i]))
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1368 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1369 token[kk++] = replacement[i]-'0';
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1370 i++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1371 }
5785
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
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1374 // Perform replacement
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1375 std::string rep;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1376 if (tokens > 0)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1377 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1378 std::list<regexp_elem> lst;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1379 string_vector named;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1380 int nopts;
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1381 bool once;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1382 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
1383
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1384 if (error_state)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1385 return retval;
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1386 if (sz == 0)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1387 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1388 retval = args(0);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1389 return retval;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1390 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1391
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1392 // Determine replacement length
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1393 const size_t replen = replacement.size() - 2*tokens;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1394 int delta = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1395 const_iterator p = lst.begin();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1396 for (int i = 0; i < sz; i++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1397 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1398 OCTAVE_QUIT;
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1399
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1400 const Matrix pairs(p->te);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1401 size_t pairlen = 0;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1402 for (int j = 0; j < tokens; j++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1403 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1404 if (token[j] == 0)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1405 pairlen += static_cast<size_t>(p->e - p->s) + 1;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1406 else if (token[j] <= pairs.rows())
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1407 pairlen += static_cast<size_t>(pairs(token[j]-1,1) -
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1408 pairs(token[j]-1,0)) + 1;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1409 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1410 delta += static_cast<int>(replen + pairlen) -
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1411 static_cast<int>(p->e - p->s + 1);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1412 p++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1413 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1414
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1415 // Build replacement string
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1416 rep.reserve(buffer.size()+delta);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1417 size_t from = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1418 p = lst.begin();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1419 for (int i=0; i < sz; i++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1420 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1421 OCTAVE_QUIT;
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1422
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1423 const Matrix pairs(p->te);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1424 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
1425 from = static_cast<size_t>(p->e - 1) + 1;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1426 for (size_t j = 1; j < replacement.size(); j++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1427 {
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1428 if (replacement[j-1]=='$' && isdigit(replacement[j]))
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1429 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1430 int k = replacement[j]-'0';
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1431 if (k == 0)
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1432 {
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1433 // replace with entire match
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1434 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
1435 static_cast<size_t>(p->e - p->s) + 1);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1436 }
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1437 else if (k <= pairs.rows())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1438 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1439 // replace with group capture
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1440 rep.append(&buffer[static_cast<size_t>(pairs(k-1,0)-1)],
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1441 static_cast<size_t>(pairs(k-1,1) -
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1442 pairs(k-1,0))+1);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1443 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1444 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1445 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1446 // replace with nothing
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1447 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1448 j++;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1449 }
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1450 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1451 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1452 rep.append(1,replacement[j-1]);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1453 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1454 if (j+1 == replacement.size())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1455 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1456 rep.append(1,replacement[j]);
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 }
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1459 p++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1460 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1461 rep.append(&buffer[from],buffer.size()-from);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1462 }
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1463 else
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1464 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1465 std::list<regexp_elem> lst;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1466 string_vector named;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1467 int nopts;
7893
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1468 bool once;
eb9ccb44ea41 make regexp(...,'once') matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents: 7520
diff changeset
1469 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
1470
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1471 if (error_state)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1472 return retval;
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1473 if (sz == 0)
10154
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 retval = args(0);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1476 return retval;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1477 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1478
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1479 // Determine replacement length
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1480 const size_t replen = replacement.size();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1481 int delta = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1482 const_iterator p = lst.begin();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1483 for (int i = 0; i < sz; i++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1484 {
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1485 OCTAVE_QUIT;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1486 delta += static_cast<int>(replen) -
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1487 static_cast<int>(p->e - p->s + 1);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1488 p++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1489 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1490
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1491 // Build replacement string
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1492 rep.reserve(buffer.size()+delta);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1493 size_t from = 0;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1494 p = lst.begin();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1495 for (int i=0; i < sz; i++)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1496 {
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1497 OCTAVE_QUIT;
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1498 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
1499 from = static_cast<size_t>(p->e - 1) + 1;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1500 rep.append(replacement);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1501 p++;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1502 }
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1503 rep.append(&buffer[from],buffer.size()-from);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1504 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
1505
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1506 retval = rep;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1507 return retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1508 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1509
6549
5a5a09d7deb8 [project @ 2007-04-20 06:55:29 by jwe]
jwe
parents: 6547
diff changeset
1510 DEFUN_DLD (regexprep, args, ,
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1511 "-*- texinfo -*-\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1512 @deftypefn {Loadable Function} {@var{outstr} =} regexprep (@var{string}, @var{pat}, @var{repstr})\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1513 @deftypefnx {Loadable Function} {@var{outstr} =} regexprep (@var{string}, @var{pat}, @var{repstr}, \"@var{opt1}\", @dots{})\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1514 Replace occurrences of pattern @var{pat} in @var{string} with @var{repstr}.\n\
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1515 \n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1516 The pattern is a regular expression as documented for @code{regexp}.\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1517 @xref{doc-regexp,,regexp}.\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1518 \n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1519 The replacement string may contain @code{$i}, which substitutes\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1520 for the ith set of parentheses in the match string. For example,\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
1521 \n\
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1522 @example\n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1523 regexprep(\"Bill Dunn\",'(\\w+) (\\w+)','$2, $1')\n\
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1524 @end example\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10551
diff changeset
1525 \n\
10846
a4f482e66b65 Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
1526 @noindent\n\
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1527 returns \"Dunn, Bill\"\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1528 \n\
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1529 Options in addition to those of @code{regexp} are\n\
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1530 \n\
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1531 @table @samp\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1532 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1533 @item once\n\
7001
8b0cfeb06365 [project @ 2007-10-10 18:02:59 by jwe]
jwe
parents: 6678
diff changeset
1534 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
1535 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1536 @item warnings\n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1537 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
1538 \n\
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1539 @end table\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11553
diff changeset
1540 @seealso{regexp, regexpi, strrep}\n\
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1541 @end deftypefn")
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1542 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1543 octave_value_list retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1544 int nargin = args.length();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1545
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1546 if (nargin < 3)
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1547 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1548 print_usage ();
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1549 return retval;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1550 }
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1551
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1552 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
1553 {
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1554 Cell str;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1555 Cell pat;
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1556 Cell rep;
6495
fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman]
dbateman
parents: 6361
diff changeset
1557 dim_vector dv0;
fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman]
dbateman
parents: 6361
diff changeset
1558 dim_vector dv1(1,1);
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1559
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1560 if (args(0).is_cell())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1561 str = args(0).cell_value();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1562 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1563 str = Cell (args(0));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1564
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1565 if (args(1).is_cell())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1566 pat = args(1).cell_value();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1567 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1568 pat = Cell (args(1));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1569
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1570 if (args(2).is_cell())
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1571 rep = args(2).cell_value();
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1572 else
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1573 rep = Cell (args(2));
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1574
6495
fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman]
dbateman
parents: 6361
diff changeset
1575 dv0 = str.dims();
fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman]
dbateman
parents: 6361
diff changeset
1576 if (pat.numel() != 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1577 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1578 dv1 = pat.dims();
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1579 if (rep.numel() != 1 && dv1 != rep.dims())
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1580 error ("regexprep: Inconsistent cell array dimensions");
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1581 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1582 else if (rep.numel() != 1)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1583 dv1 = rep.dims();
6361
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 if (!error_state)
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1586 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1587 Cell ret (dv0);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1588 octave_value_list new_args = args;
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1589
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1590 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
1591 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1592 new_args(0) = str(i);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1593 if (pat.numel() == 1)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1594 new_args(1) = pat(0);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1595 if (rep.numel() == 1)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1596 new_args(2) = rep(0);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1597 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
1598 {
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1599 if (pat.numel() != 1)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1600 new_args(1) = pat(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1601 if (rep.numel() != 1)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1602 new_args(2) = rep(j);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1603 new_args(0) = octregexprep (new_args, "regexprep");
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1604
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1605 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1606 break;
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1607 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1608
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1609 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1610 break;
6495
fd09c7e8c4c9 [project @ 2007-04-05 16:18:20 by dbateman]
dbateman
parents: 6361
diff changeset
1611
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1612 ret(i) = new_args(0);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1613 }
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1614
10154
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1615 if (!error_state)
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1616 retval = octave_value (ret);
40dfc0c99116 DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents: 9064
diff changeset
1617 }
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 else
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1620 retval = octregexprep (args, "regexprep");
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1621
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1622 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1623 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1624
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1625 /*
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1626 %!test # Replace with empty
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1627 %! 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
1628 %! t = regexprep(xml,'<[!?][^>]*>','');
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1629 %! assert(t,' <tag v="hello">some stuff</tag>')
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1630
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1631 %!test # Replace with non-empty
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1632 %! 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
1633 %! t = regexprep(xml,'<[!?][^>]*>','?');
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1634 %! assert(t,'? <tag v="hello">some stuff?</tag>')
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1635
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1636 %!test # Check that 'tokenize' is ignored
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1637 %! 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
1638 %! t = regexprep(xml,'<[!?][^>]*>','','tokenize');
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1639 %! assert(t,' <tag v="hello">some stuff</tag>')
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1640
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
1641 ## Test capture replacement
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1642 %!test
7242
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1643 %! data = "Bob Smith\nDavid Hollerith\nSam Jenkins";
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1644 %! result = "Smith, Bob\nHollerith, David\nJenkins, Sam";
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1645 %! t = regexprep(data,'(?m)^(\w+)\s+(\w+)$','$2, $1');
e4398e3903be [project @ 2007-12-03 23:52:07 by dbateman]
dbateman
parents: 7237
diff changeset
1646 %! assert(t,result)
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1647
11032
c9b0a75b02e8 Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents: 11025
diff changeset
1648 ## Return the original if no match
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1649 %!assert(regexprep('hello','world','earth'),'hello')
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1650
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1651 ## Test a general replacement
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1652 %!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
1653
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1654 ## Make sure it works at the beginning and end
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1655 %!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
1656 %!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
1657
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1658 ## Options
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1659 %!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
1660 %!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
1661
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1662 ## Option combinations
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1663 %!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
1664
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1665 ## End conditions on replacement
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1666 %!assert(regexprep("abc","(b)",".$1"),"a.bc");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1667 %!assert(regexprep("abc","(b)","$1"),"abc");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1668 %!assert(regexprep("abc","(b)","$1."),"ab.c");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1669 %!assert(regexprep("abc","(b)","$1.."),"ab..c");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1670
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1671 ## Test cell array arguments
6503
a46d4161213f [project @ 2007-04-06 14:57:21 by jwe]
jwe
parents: 6495
diff changeset
1672 %!assert(regexprep("abc",{"b","a"},"?"),{"??c"})
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1673 %!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
1674 %!assert(regexprep({"abc","cba"},{"b","a"},{"?","!"}),{"!?c","c?!"})
6361
776e657c9422 [project @ 2007-02-27 09:45:03 by dbateman]
dbateman
parents: 5866
diff changeset
1675
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
1676 # Nasty lookbehind expression
12462
e4dbfe3019b1 Use PCRE regular expressions throughout Octave.
Rik <octave@nomad.inbox5.com>
parents: 12433
diff changeset
1677 %!test
11025
df2152514429 Update docstrings for regular expression functions
Rik <octave@nomad.inbox5.com>
parents: 11018
diff changeset
1678 %! assert(regexprep('x^(-1)+y(-1)+z(-1)=0','(?<=[a-z]+)\(\-[1-9]*\)','_minus1'),'x^(-1)+y_minus1+z_minus1=0')
8093
dcc31f473596 Treat PCRE lookbehind operators in a manner that is approximately correct
David Bateman <dbateman@free.fr>
parents: 8021
diff changeset
1679
5785
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman]
dbateman
parents: 5779
diff changeset
1680 */