Mercurial > octave-nkf
annotate src/ls-oct-ascii.h @ 8874:bd1b1fe9c6e9 ss-3-1-53
bump version info for snapshot
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 25 Feb 2009 18:35:47 -0500 |
| parents | ebf6f6a0f9a7 |
| children | eb63fbe60fab |
| rev | line source |
|---|---|
| 4634 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 2003, 2004, 2005, 2006, 2007 John W. Eaton |
| 4634 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 4634 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 4634 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_ls_oct_ascii_h) | |
| 24 #define octave_ls_oct_ascii_h 1 | |
| 25 | |
| 4687 | 26 #include <cfloat> |
| 27 | |
| 5765 | 28 #include <sstream> |
| 5099 | 29 #include <string> |
| 30 | |
| 31 #include "str-vec.h" | |
| 32 | |
| 4687 | 33 // Flag for cell elements |
| 34 #define CELL_ELT_TAG "<cell-element>" | |
| 35 | |
| 36 // Used when converting Inf to something that gnuplot can read. | |
| 37 | |
| 38 #ifndef OCT_RBV | |
| 39 #define OCT_RBV DBL_MAX / 100.0 | |
| 40 #endif | |
| 41 | |
| 6109 | 42 extern OCTINTERP_API std::string |
| 4687 | 43 extract_keyword (std::istream& is, const char *keyword, |
| 44 const bool next_only = false); | |
| 45 | |
| 6109 | 46 extern OCTINTERP_API std::string |
| 4634 | 47 read_ascii_data (std::istream& is, const std::string& filename, bool& global, |
| 5754 | 48 octave_value& tc, octave_idx_type count); |
| 4634 | 49 |
| 6109 | 50 extern OCTINTERP_API bool |
| 4634 | 51 save_ascii_data (std::ostream& os, const octave_value& val_arg, |
| 6974 | 52 const std::string& name, bool mark_as_global, int precision); |
| 4634 | 53 |
| 6109 | 54 extern OCTINTERP_API bool |
| 4634 | 55 save_ascii_data_for_plotting (std::ostream& os, const octave_value& t, |
| 56 const std::string& name); | |
| 57 | |
| 6109 | 58 extern OCTINTERP_API bool |
| 5958 | 59 save_three_d (std::ostream& os, const octave_value& t, |
| 60 bool parametric = false); | |
| 61 | |
| 5275 | 62 // Match KEYWORD on stream IS, placing the associated value in VALUE, |
| 63 // returning TRUE if successful and FALSE otherwise. | |
| 64 // | |
| 65 // Input should look something like: | |
| 66 // | |
| 67 // [%#][ \t]*keyword[ \t]*int-value.*\n | |
| 68 | |
| 69 template <class T> | |
| 70 bool | |
| 71 extract_keyword (std::istream& is, const char *keyword, T& value, | |
| 72 const bool next_only = false) | |
| 73 { | |
| 74 bool status = false; | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8087
diff
changeset
|
75 value = T(); |
| 5275 | 76 |
| 77 char c; | |
| 78 while (is.get (c)) | |
| 79 { | |
| 80 if (c == '%' || c == '#') | |
| 81 { | |
| 5765 | 82 std::ostringstream buf; |
| 5275 | 83 |
| 84 while (is.get (c) && (c == ' ' || c == '\t' || c == '%' || c == '#')) | |
| 85 ; // Skip whitespace and comment characters. | |
| 86 | |
| 87 if (isalpha (c)) | |
| 88 buf << c; | |
| 89 | |
| 90 while (is.get (c) && isalpha (c)) | |
| 91 buf << c; | |
| 92 | |
| 5765 | 93 std::string tmp = buf.str (); |
| 5679 | 94 bool match = (tmp.compare (0, strlen (keyword), keyword) == 0); |
| 5275 | 95 |
| 96 if (match) | |
| 97 { | |
| 98 while (is.get (c) && (c == ' ' || c == '\t' || c == ':')) | |
| 99 ; // Skip whitespace and the colon. | |
| 100 | |
| 101 is.putback (c); | |
|
8087
7d19f4f70c61
ls-oct-ascii.{h,cc} (extract_keyword): accept \r as line ending character
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
102 if (c != '\n' && c != '\r') |
| 5275 | 103 is >> value; |
| 104 if (is) | |
| 105 status = true; | |
|
8087
7d19f4f70c61
ls-oct-ascii.{h,cc} (extract_keyword): accept \r as line ending character
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
106 while (is.get (c) && c != '\n' && c != '\r') |
| 5275 | 107 ; // Skip to beginning of next line; |
| 108 break; | |
| 109 } | |
| 110 else if (next_only) | |
| 111 break; | |
| 112 } | |
| 113 } | |
| 114 return status; | |
| 115 } | |
| 116 | |
| 117 // Match one of the elements in KEYWORDS on stream IS, placing the | |
| 118 // matched keyword in KW and the associated value in VALUE, | |
| 119 // returning TRUE if successful and FALSE otherwise. | |
| 120 // | |
| 121 // Input should look something like: | |
| 122 // | |
| 123 // [%#][ \t]*keyword[ \t]*int-value.*\n | |
| 124 | |
| 125 template <class T> | |
| 126 bool | |
| 127 extract_keyword (std::istream& is, const string_vector& keywords, | |
| 128 std::string& kw, T& value, const bool next_only = false) | |
| 129 { | |
| 130 bool status = false; | |
| 131 kw = ""; | |
| 132 value = 0; | |
| 133 | |
| 134 char c; | |
| 135 while (is.get (c)) | |
| 136 { | |
| 137 if (c == '%' || c == '#') | |
| 138 { | |
| 5765 | 139 std::ostringstream buf; |
| 5275 | 140 |
| 141 while (is.get (c) && (c == ' ' || c == '\t' || c == '%' || c == '#')) | |
| 142 ; // Skip whitespace and comment characters. | |
| 143 | |
| 144 if (isalpha (c)) | |
| 145 buf << c; | |
| 146 | |
| 147 while (is.get (c) && isalpha (c)) | |
| 148 buf << c; | |
| 149 | |
| 5765 | 150 std::string tmp = buf.str (); |
| 5275 | 151 |
| 152 for (int i = 0; i < keywords.length (); i++) | |
| 153 { | |
| 154 int match = (tmp == keywords[i]); | |
| 155 | |
| 156 if (match) | |
| 157 { | |
| 158 kw = keywords[i]; | |
| 159 | |
| 160 while (is.get (c) && (c == ' ' || c == '\t' || c == ':')) | |
| 161 ; // Skip whitespace and the colon. | |
| 162 | |
| 163 is.putback (c); | |
|
8087
7d19f4f70c61
ls-oct-ascii.{h,cc} (extract_keyword): accept \r as line ending character
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
164 if (c != '\n' && c != '\r') |
| 5275 | 165 is >> value; |
| 166 if (is) | |
| 167 status = true; | |
|
8087
7d19f4f70c61
ls-oct-ascii.{h,cc} (extract_keyword): accept \r as line ending character
John W. Eaton <jwe@octave.org>
parents:
7017
diff
changeset
|
168 while (is.get (c) && c != '\n' && c != '\r') |
| 5275 | 169 ; // Skip to beginning of next line; |
| 170 return status; | |
| 171 } | |
| 172 } | |
| 173 | |
| 174 if (next_only) | |
| 175 break; | |
| 176 } | |
| 177 } | |
| 178 return status; | |
| 179 } | |
| 180 | |
| 4634 | 181 #endif |
| 182 | |
| 183 /* | |
| 184 ;;; Local Variables: *** | |
| 185 ;;; mode: C++ *** | |
| 186 ;;; End: *** | |
| 187 */ | |
| 188 |