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annotate libinterp/corefcn/ls-mat-ascii.cc @ 17191:ca5103ab0b21

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check_gzip_magic before get_file_format (wrong type detection, bug #39652) * load-save.cc (get_file_format): call check_gzip_magic before get_file_format to avoid random LS_MAT_ASCII detections in gzipped files. * ls-mat-ascii.cc (looks_like_mat_ascii_file): New arg, IS which could also be a gzipped file, is now opened in the calling function. * ls-mat-ascii.h (looks_like_mat_ascii_file): New arg, IS.
author Andreas Weber <andy.weber.aw@gmail.com>
date Fri, 02 Aug 2013 19:48:34 +0200
parents 68fc671a9339
children
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1 /*
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2
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72c96de7a403 maint: update copyright notices for 2012
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3 Copyright (C) 1996-2012 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
7016
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9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include <cfloat>
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28 #include <cstring>
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29 #include <cctype>
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30
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31 #include <fstream>
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32 #include <iomanip>
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33 #include <iostream>
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34 #include <sstream>
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35 #include <string>
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36
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37 #include "byte-swap.h"
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38 #include "data-conv.h"
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39 #include "file-ops.h"
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40 #include "glob-match.h"
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41 #include "lo-mappers.h"
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42 #include "mach-info.h"
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43 #include "oct-env.h"
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44 #include "oct-time.h"
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45 #include "quit.h"
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46 #include "str-vec.h"
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47
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48 #include "Cell.h"
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49 #include "defun.h"
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50 #include "error.h"
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51 #include "gripes.h"
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52 #include "lex.h"
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53 #include "load-save.h"
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54 #include "ls-ascii-helper.h"
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55 #include "ls-mat-ascii.h"
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56 #include "oct-obj.h"
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57 #include "oct-map.h"
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58 #include "ov-cell.h"
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59 #include "pager.h"
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60 #include "pt-exp.h"
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61 #include "sysdep.h"
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62 #include "unwind-prot.h"
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63 #include "utils.h"
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64 #include "variables.h"
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65 #include "version.h"
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66 #include "dMatrix.h"
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67
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68 static std::string
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69 get_mat_data_input_line (std::istream& is)
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70 {
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71 std::string retval;
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72
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73 bool have_data = false;
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74
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75 do
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76 {
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77 retval = "";
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78
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79 char c;
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80 while (is.get (c))
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81 {
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82 if (c == '\n' || c == '\r')
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83 {
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84 is.putback (c);
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85 skip_preceeding_newline (is);
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86 break;
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87 }
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88
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89 if (c == '%' || c == '#')
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90 {
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91 skip_until_newline (is, false);
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92 break;
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93 }
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94
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95 if (! is.eof ())
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96 {
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97 if (! have_data && c != ' ' && c != '\t')
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98 have_data = true;
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99
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100 retval += c;
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101 }
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102 }
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103 }
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104 while (! (have_data || is.eof ()));
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105
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106 return retval;
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107 }
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108
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109 static void
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110 get_lines_and_columns (std::istream& is,
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111 octave_idx_type& nr, octave_idx_type& nc,
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112 const std::string& filename = std::string (),
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113 bool quiet = false, bool check_numeric = false)
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114 {
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115 std::streampos pos = is.tellg ();
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116
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117 int file_line_number = 0;
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118
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119 nr = 0;
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120 nc = 0;
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121
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122 while (is && ! error_state)
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123 {
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124 octave_quit ();
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125
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126 std::string buf = get_mat_data_input_line (is);
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127
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128 file_line_number++;
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129
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130 size_t beg = buf.find_first_not_of (", \t");
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131
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132 // If we see a CR as the last character in the buffer, we had a
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133 // CRLF pair as the line separator. Any other CR in the text
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134 // will not be considered as whitespace.
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135
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136 if (beg != std::string::npos && buf[beg] == '\r' && beg == buf.length () - 1)
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137 {
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138 // We had a blank line ending with a CRLF. Handle it the
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139 // same as an empty line.
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140 beg = std::string::npos;
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141 }
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142
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143 octave_idx_type tmp_nc = 0;
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144
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145 while (beg != std::string::npos)
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146 {
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147 tmp_nc++;
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148
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149 size_t end = buf.find_first_of (", \t", beg);
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150
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151 if (end != std::string::npos)
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152 {
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153 if (check_numeric)
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154 {
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155 std::istringstream tmp_stream (buf.substr (beg, end-beg));
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156
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157 octave_read_double (tmp_stream);
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parents: 15467
diff changeset
158
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
159 if (tmp_stream.fail ())
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
160 {
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
161 if (! quiet)
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
162 error ("load: %s: non-numeric data found near line %d",
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
163 filename.c_str (), file_line_number);
04fb96f4bea1 allow double-click in file browser to load data files
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parents: 15467
diff changeset
164
04fb96f4bea1 allow double-click in file browser to load data files
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parents: 15467
diff changeset
165 nr = 0;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
166 nc = 0;
04fb96f4bea1 allow double-click in file browser to load data files
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parents: 15467
diff changeset
167
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
168 goto done;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
169 }
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
170 }
04fb96f4bea1 allow double-click in file browser to load data files
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parents: 15467
diff changeset
171
10315
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John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
172 beg = buf.find_first_not_of (", \t", end);
4634
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jwe
parents:
diff changeset
173
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
174 if (beg == std::string::npos || (buf[beg] == '\r' &&
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
175 beg == buf.length () - 1))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
176 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
177 // We had a line with trailing spaces and
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
178 // ending with a CRLF, so this should look like EOL,
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
179 // not a new colum.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
180 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
181 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
182 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
183 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
184 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
185 }
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
186
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
187 if (tmp_nc > 0)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
188 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
189 if (nc == 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
190 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
191 nc = tmp_nc;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
192 nr++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
193 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
194 else if (nc == tmp_nc)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
195 nr++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
196 else
16555
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parents: 15467
diff changeset
197 {
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
198 if (! quiet)
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
199 error ("load: %s: inconsistent number of columns near line %d",
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
200 filename.c_str (), file_line_number);
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
201
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
202 nr = 0;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
203 nc = 0;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
204
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
205 goto done;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
206 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
207 }
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
208 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
209
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
210 if (! quiet && (nr == 0 || nc == 0))
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
211 error ("load: file '%s' seems to be empty!", filename.c_str ());
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
212
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
213 done:
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
214
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
215 is.clear ();
4643
ef3a14fb6847 [project @ 2003-11-22 12:25:44 by jwe]
jwe
parents: 4634
diff changeset
216 is.seekg (pos);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
217 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
218
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
219 // Extract a matrix from a file of numbers only.
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
220 //
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
221 // Comments are not allowed. The file should only have numeric values.
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
222 //
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
223 // Reads the file twice. Once to find the number of rows and columns,
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
224 // and once to extract the matrix.
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
225 //
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
226 // FILENAME is used for error messages.
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
227 //
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
228 // This format provides no way to tag the data as global.
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
229
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
230 std::string
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
231 read_mat_ascii_data (std::istream& is, const std::string& filename,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
232 octave_value& tc)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
233 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
234 std::string retval;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
235
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
236 std::string varname;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
237
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
238 size_t pos = filename.rfind ('/');
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
239
8021
85184151822e fix typo in NPOS change
John W. Eaton <jwe@octave.org>
parents: 8019
diff changeset
240 if (pos != std::string::npos)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
241 varname = filename.substr (pos+1);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
242 else
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
243 varname = filename;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
244
4867
c7f9ea142fda [project @ 2004-04-20 19:41:11 by jwe]
jwe
parents: 4726
diff changeset
245 pos = varname.rfind ('.');
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
246
8021
85184151822e fix typo in NPOS change
John W. Eaton <jwe@octave.org>
parents: 8019
diff changeset
247 if (pos != std::string::npos)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
248 varname = varname.substr (0, pos);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
249
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
250 size_t len = varname.length ();
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
251 for (size_t i = 0; i < len; i++)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
252 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
253 char c = varname[i];
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
254 if (! (isalnum (c) || c == '_'))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
255 varname[i] = '_';
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
256 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
257
4867
c7f9ea142fda [project @ 2004-04-20 19:41:11 by jwe]
jwe
parents: 4726
diff changeset
258 if (is_keyword (varname) || ! isalpha (varname[0]))
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
259 varname.insert (0, "X");
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
260
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
261 if (valid_identifier (varname))
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
262 {
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 4867
diff changeset
263 octave_idx_type nr = 0;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 4867
diff changeset
264 octave_idx_type nc = 0;
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
265
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
266 int total_count = 0;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
267
16555
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John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
268 get_lines_and_columns (is, nr, nc, filename);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
269
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 9469
diff changeset
270 octave_quit ();
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
271
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
272 if (! error_state && nr > 0 && nc > 0)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
273 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
274 Matrix tmp (nr, nc);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
275
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
276 if (nr < 1 || nc < 1)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
277 is.clear (std::ios::badbit);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
278 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
279 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
280 double d;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
281 for (octave_idx_type i = 0; i < nr; i++)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
282 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
283 std::string buf = get_mat_data_input_line (is);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
284
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
285 std::istringstream tmp_stream (buf);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
286
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
287 for (octave_idx_type j = 0; j < nc; j++)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
288 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
289 octave_quit ();
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
290
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
291 d = octave_read_value<double> (tmp_stream);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
292
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
293 if (tmp_stream || tmp_stream.eof ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
294 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
295 tmp.elem (i, j) = d;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
296 total_count++;
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
297
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
298 // Skip whitespace and commas.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
299 char c;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
300 while (1)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
301 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
302 tmp_stream >> c;
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
303
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
304 if (! tmp_stream)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
305 break;
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
306
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
307 if (! (c == ' ' || c == '\t' || c == ','))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
308 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
309 tmp_stream.putback (c);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
310 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
311 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
312 }
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
313
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
314 if (tmp_stream.eof ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
315 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
316 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
317 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
318 {
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
319 error ("load: failed to read matrix from file '%s'",
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
320 filename.c_str ());
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
321
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
322 return retval;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
323 }
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
324
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
325 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
326 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
327 }
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
328
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
329 if (is || is.eof ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
330 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
331 // FIXME -- not sure this is best, but it works.
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
332
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
333 if (is.eof ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
334 is.clear ();
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
335
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
336 octave_idx_type expected = nr * nc;
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
337
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
338 if (expected == total_count)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
339 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
340 tc = tmp;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
341 retval = varname;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
342 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
343 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
344 error ("load: expected %d elements, found %d",
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
345 expected, total_count);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
346 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
347 else
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
348 error ("load: failed to read matrix from file '%s'",
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
349 filename.c_str ());
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
350 }
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
351 else
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
352 error ("load: unable to extract matrix size from file '%s'",
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
353 filename.c_str ());
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
354 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
355 else
15466
d174210ce1ec use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
356 error ("load: unable to convert filename '%s' to valid identifier",
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
357 filename.c_str ());
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
358
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
359 return retval;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
360 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
361
5938
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
362 bool
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
363 save_mat_ascii_data (std::ostream& os, const octave_value& val,
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
364 int precision, bool tabs)
5938
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
365 {
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
366 bool success = true;
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
367
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
368 if (val.is_complex_type ())
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
369 warning ("save: omitting imaginary part for ASCII file");
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
370
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
371 Matrix m = val.matrix_value (true);
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
372
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
373 if (error_state)
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
374 {
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
375 success = false;
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
376
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
377 error_state = 0;
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
378 }
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
379 else
5951
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
380 {
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
381 long old_precision = os.precision ();
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
382
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
383 os.precision (precision);
5938
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
384
5951
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
385 std::ios::fmtflags oflags
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
386 = os.flags (static_cast<std::ios::fmtflags> (std::ios::scientific));
5951
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
387
8425
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
388 if (tabs)
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
389 {
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
390 for (octave_idx_type i = 0; i < m.rows (); i++)
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
391 {
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
392 for (octave_idx_type j = 0; j < m.cols (); j++)
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
393 {
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
394 // Omit leading tabs.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
395 if (j != 0) os << '\t';
8425
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
396 octave_write_double (os, m (i, j));
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
397 }
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
398 os << "\n";
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
399 }
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
400 }
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
401 else
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
402 os << m;
5951
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
403
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
404 os.flags (oflags);
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
405
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
406 os.precision (old_precision);
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
407 }
5938
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
408
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
409 return (os && success);
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
410 }
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
411
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
412 bool
17191
ca5103ab0b21 check_gzip_magic before get_file_format (wrong type detection, bug #39652)
Andreas Weber <andy.weber.aw@gmail.com>
parents: 16892
diff changeset
413 looks_like_mat_ascii_file (std::istream& is, const std::string& filename)
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
414 {
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
415 bool retval = false;
17191
ca5103ab0b21 check_gzip_magic before get_file_format (wrong type detection, bug #39652)
Andreas Weber <andy.weber.aw@gmail.com>
parents: 16892
diff changeset
416 octave_idx_type nr = 0;
ca5103ab0b21 check_gzip_magic before get_file_format (wrong type detection, bug #39652)
Andreas Weber <andy.weber.aw@gmail.com>
parents: 16892
diff changeset
417 octave_idx_type nc = 0;
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
418
17191
ca5103ab0b21 check_gzip_magic before get_file_format (wrong type detection, bug #39652)
Andreas Weber <andy.weber.aw@gmail.com>
parents: 16892
diff changeset
419 get_lines_and_columns (is, nr, nc, filename, true, true);
ca5103ab0b21 check_gzip_magic before get_file_format (wrong type detection, bug #39652)
Andreas Weber <andy.weber.aw@gmail.com>
parents: 16892
diff changeset
420 retval = (nr != 0 && nc != 0);
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
421
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
422 return retval;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
423 }