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annotate libinterp/corefcn/ls-mat-ascii.cc @ 26376:00f796120a6d stable

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maint: Update copyright dates in all source files.
author John W. Eaton <jwe@octave.org>
date Wed, 02 Jan 2019 16:32:43 -0500
parents 7f6a50f73625
children c67501d55541
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1 /*
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2
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3 Copyright (C) 1996-2019 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
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9 the Free Software Foundation, either version 3 of the License, or
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10 (at your 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
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License 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 <https://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if defined (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 <cctype>
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28
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29 #include <iomanip>
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30 #include <istream>
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31 #include <ostream>
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32 #include <sstream>
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33 #include <string>
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34
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35 #include "byte-swap.h"
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36 #include "dMatrix.h"
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37 #include "data-conv.h"
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38 #include "file-ops.h"
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39 #include "glob-match.h"
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40 #include "lo-mappers.h"
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41 #include "mach-info.h"
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42 #include "oct-env.h"
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43 #include "oct-time.h"
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44 #include "quit.h"
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45
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46 #include "Cell.h"
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47 #include "defun.h"
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48 #include "error.h"
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49 #include "interpreter.h"
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50 #include "lex.h"
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51 #include "load-save.h"
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52 #include "ls-ascii-helper.h"
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53 #include "ls-mat-ascii.h"
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54 #include "oct-map.h"
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55 #include "ov-cell.h"
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56 #include "ov.h"
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57 #include "pager.h"
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58 #include "sysdep.h"
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59 #include "utils.h"
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60 #include "variables.h"
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61 #include "version.h"
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62
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63 static std::string
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64 get_mat_data_input_line (std::istream& is)
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65 {
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66 std::string retval;
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67
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68 bool have_data = false;
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69
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70 do
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71 {
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72 retval = "";
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73
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74 char c;
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75 while (is.get (c))
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76 {
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77 if (c == '\n' || c == '\r')
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78 {
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79 is.putback (c);
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80 skip_preceeding_newline (is);
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81 break;
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82 }
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83
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84 if (c == '%' || c == '#')
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85 {
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86 skip_until_newline (is, false);
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87 break;
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88 }
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89
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90 if (! is.eof ())
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91 {
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92 if (! have_data && c != ' ' && c != '\t')
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93 have_data = true;
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94
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95 retval += c;
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96 }
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97 }
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98 }
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99 while (! (have_data || is.eof ()));
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100
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101 return retval;
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102 }
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103
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104 static void
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105 get_lines_and_columns (std::istream& is,
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106 octave_idx_type& nr, octave_idx_type& nc,
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107 const std::string& filename = "",
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108 bool quiet = false, bool check_numeric = false)
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109 {
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110 std::streampos pos = is.tellg ();
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111
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112 int file_line_number = 0;
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113
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114 nr = 0;
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115 nc = 0;
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116
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117 while (is)
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118 {
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119 octave_quit ();
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120
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121 std::string buf = get_mat_data_input_line (is);
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122
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123 file_line_number++;
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124
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125 size_t beg = buf.find_first_not_of (", \t");
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126
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127 // If we see a CR as the last character in the buffer, we had a
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128 // CRLF pair as the line separator. Any other CR in the text
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129 // will not be considered as whitespace.
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130
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131 if (beg != std::string::npos && buf[beg] == '\r'
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132 && beg == buf.length () - 1)
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133 {
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134 // We had a blank line ending with a CRLF. Handle it the
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135 // same as an empty line.
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136 beg = std::string::npos;
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137 }
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138
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139 octave_idx_type tmp_nc = 0;
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140
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141 while (beg != std::string::npos)
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142 {
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143 tmp_nc++;
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144
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145 size_t end = buf.find_first_of (", \t", beg);
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146
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147 if (end != std::string::npos)
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148 {
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149 if (check_numeric)
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150 {
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151 std::istringstream tmp_stream (buf.substr (beg, end-beg));
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152
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153 octave_read_double (tmp_stream);
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154
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diff changeset
155 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
156 {
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
157 if (! quiet)
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
158 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
159 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
160
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
161 nr = 0;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
162 nc = 0;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
163
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
164 goto done;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
165 }
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
166 }
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
167
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
168 beg = buf.find_first_not_of (", \t", end);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
169
19864
17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
170 if (beg == std::string::npos
17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
171 || (buf[beg] == '\r' && beg == buf.length () - 1))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
172 {
23812
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23581
diff changeset
173 // We had a line with trailing spaces and ending with a CRLF,
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23581
diff changeset
174 // so this should look like EOL, not a new column.
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
175 break;
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 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
178 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
179 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
180 }
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
181
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
182 if (tmp_nc > 0)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
183 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
184 if (nc == 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
185 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
186 nc = tmp_nc;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
187 nr++;
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 else if (nc == tmp_nc)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
190 nr++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
191 else
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
192 {
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
193 if (! quiet)
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
194 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
195 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
196
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
197 nr = 0;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
198 nc = 0;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
199
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
200 goto done;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
201 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
202 }
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
203 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
204
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
205 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
206 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
207
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
208 done:
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
209
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
210 is.clear ();
4643
ef3a14fb6847 [project @ 2003-11-22 12:25:44 by jwe]
jwe
parents: 4634
diff changeset
211 is.seekg (pos);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
212 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
213
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
214 // Extract a matrix from a file of numbers only.
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
215 //
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
216 // 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
217 //
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
218 // 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
219 // and once to extract the matrix.
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 // FILENAME is used for error messages.
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 // 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
224
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
225 std::string
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
226 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
227 octave_value& tc)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
228 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
229 std::string varname;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
230
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
231 size_t pos = filename.rfind ('/');
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
232
8021
85184151822e fix typo in NPOS change
John W. Eaton <jwe@octave.org>
parents: 8019
diff changeset
233 if (pos != std::string::npos)
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
234 varname = filename.substr (pos+1);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
235 else
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
236 varname = filename;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
237
4867
c7f9ea142fda [project @ 2004-04-20 19:41:11 by jwe]
jwe
parents: 4726
diff changeset
238 pos = varname.rfind ('.');
4634
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 = varname.substr (0, pos);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
242
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
243 size_t len = varname.length ();
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
244 for (size_t i = 0; i < len; i++)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
245 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
246 char c = varname[i];
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
247 if (! (isalnum (c) || c == '_'))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
248 varname[i] = '_';
4634
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
26059
da2bbcf1fbcd Deprecate C++ function is_keyword in favor of iskeyword for readability.
Rik <rik@octave.org>
parents: 25646
diff changeset
251 if (octave::iskeyword (varname) || ! isalpha (varname[0]))
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
252 varname.insert (0, "X");
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
253
25646
4d565baa475e move libinterp/utils functions inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 25438
diff changeset
254 if (! octave::valid_identifier (varname))
20962
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
255 error ("load: unable to convert filename '%s' to valid identifier",
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
256 filename.c_str ());
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
257
20962
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
258 octave_idx_type nr = 0;
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
259 octave_idx_type nc = 0;
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
260
26164
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26059
diff changeset
261 octave_idx_type total_count = 0;
20962
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
262
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
263 get_lines_and_columns (is, nr, nc, filename);
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
264
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
265 octave_quit ();
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
266
20981
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
267 if (nr <= 0 || nc <= 0)
20962
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
268 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
269 filename.c_str ());
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
270
20981
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
271 Matrix tmp (nr, nc);
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
272
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
273 if (nr < 1 || nc < 1)
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
274 is.clear (std::ios::badbit);
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
275 else
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
276 {
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
277 double d;
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
278 for (octave_idx_type i = 0; i < nr; i++)
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
279 {
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
280 std::string buf = get_mat_data_input_line (is);
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
281
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
282 std::istringstream tmp_stream (buf);
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
283
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
284 for (octave_idx_type j = 0; j < nc; j++)
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
285 {
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
286 octave_quit ();
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
287
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
288 d = octave_read_value<double> (tmp_stream);
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
289
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
290 if (! tmp_stream && ! tmp_stream.eof ())
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
291 error ("load: failed to read matrix from file '%s'",
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
292 filename.c_str ());
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
293
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
294 tmp.elem (i, j) = d;
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
295 total_count++;
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
296
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
297 // Skip whitespace and commas.
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
298 char c;
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
299 while (1)
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
300 {
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
301 tmp_stream >> c;
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
302
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
303 if (! tmp_stream)
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
304 break;
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
305
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
306 if (! (c == ' ' || c == '\t' || c == ','))
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
307 {
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
308 tmp_stream.putback (c);
c11cea70b638 maint: invert if/else/error instances.
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parents: 20962
diff changeset
309 break;
c11cea70b638 maint: invert if/else/error instances.
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parents: 20962
diff changeset
310 }
c11cea70b638 maint: invert if/else/error instances.
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parents: 20962
diff changeset
311 }
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
312
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
313 if (tmp_stream.eof ())
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
314 break;
c11cea70b638 maint: invert if/else/error instances.
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parents: 20962
diff changeset
315 }
c11cea70b638 maint: invert if/else/error instances.
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parents: 20962
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316 }
c11cea70b638 maint: invert if/else/error instances.
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parents: 20962
diff changeset
317 }
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318
c11cea70b638 maint: invert if/else/error instances.
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parents: 20962
diff changeset
319 if (! is && ! is.eof ())
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
320 error ("load: failed to read matrix from file '%s'",
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
321 filename.c_str ());
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322
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
323 // FIXME: not sure this is best, but it works.
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parents: 20962
diff changeset
324
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parents: 20962
diff changeset
325 if (is.eof ())
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John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
326 is.clear ();
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327
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diff changeset
328 octave_idx_type expected = nr * nc;
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329
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parents: 20962
diff changeset
330 if (expected != total_count)
26164
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26059
diff changeset
331 error ("load: expected %" OCTAVE_IDX_TYPE_FORMAT " elements, found "
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26059
diff changeset
332 "%" OCTAVE_IDX_TYPE_FORMAT, expected, total_count);
20981
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parents: 20962
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333
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diff changeset
334 tc = tmp;
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335
c11cea70b638 maint: invert if/else/error instances.
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diff changeset
336 return varname;
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
337 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
338
5938
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jwe
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diff changeset
339 bool
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jwe
parents: 5775
diff changeset
340 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
341 int precision, bool tabs)
5938
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jwe
parents: 5775
diff changeset
342 {
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
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343 bool success = true;
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jwe
parents: 5775
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344
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c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex.
Rik <rik@octave.org>
parents: 23455
diff changeset
345 if (val.iscomplex ())
5938
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jwe
parents: 5775
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346 warning ("save: omitting imaginary part for ASCII file");
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jwe
parents: 5775
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347
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Rik <rik@octave.org>
parents: 23812
diff changeset
348 if (val.ndims () > 2)
23987
4d5018136313 Skip writing N-D matrix to -ascii format, rather than calling error().
Rik <rik@octave.org>
parents: 23985
diff changeset
349 {
4d5018136313 Skip writing N-D matrix to -ascii format, rather than calling error().
Rik <rik@octave.org>
parents: 23985
diff changeset
350 warning ("save: skipping variable which is not a 2-D matrix");
4d5018136313 Skip writing N-D matrix to -ascii format, rather than calling error().
Rik <rik@octave.org>
parents: 23985
diff changeset
351 return true;
4d5018136313 Skip writing N-D matrix to -ascii format, rather than calling error().
Rik <rik@octave.org>
parents: 23985
diff changeset
352 }
23985
aa127fce67e4 doc: Document extra save options for -ascii format (bug #51898).
Rik <rik@octave.org>
parents: 23812
diff changeset
353
20535
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
354 Matrix m;
5938
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
355
20535
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
356 try
b70cc4bd8109 begin removal of global error_state variable
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parents: 19864
diff changeset
357 {
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John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
358 m = val.matrix_value (true);
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
359 }
22327
d0562b3159c7 move more classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
360 catch (const octave::execution_exception& e)
5938
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
361 {
23110
af48d8be62b3 move recover_from_exception and atexit functions inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23084
diff changeset
362 octave::interpreter::recover_from_exception ();
20756
200ae1d650b7 propagate octave_execution_exception objects through try/catch blocks
John W. Eaton <jwe@octave.org>
parents: 20555
diff changeset
363
5938
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jwe
parents: 5775
diff changeset
364 success = false;
20535
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
365 }
5938
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
366
20535
b70cc4bd8109 begin removal of global error_state variable
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
367 if (success)
5951
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
368 {
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
369 long old_precision = os.precision ();
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
370
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
371 os.precision (precision);
5938
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
372
5951
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jwe
parents: 5938
diff changeset
373 std::ios::fmtflags oflags
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
374 = 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
375
8425
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
376 if (tabs)
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
377 {
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
378 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
379 {
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
380 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
381 {
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
382 // Omit leading tabs.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
383 if (j != 0) os << '\t';
23985
aa127fce67e4 doc: Document extra save options for -ascii format (bug #51898).
Rik <rik@octave.org>
parents: 23812
diff changeset
384 octave_write_double (os, m(i, j));
8425
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
385 }
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
386 os << "\n";
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
387 }
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
388 }
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
389 else
2e777f5135a3 support -tabs option for save -ascii
Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
390 os << m;
5951
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
391
23985
aa127fce67e4 doc: Document extra save options for -ascii format (bug #51898).
Rik <rik@octave.org>
parents: 23812
diff changeset
392 // Restore format
5951
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
393 os.flags (oflags);
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
394 os.precision (old_precision);
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
395 }
5938
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
396
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
397 return (os && success);
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
398 }
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
399
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
400 bool
17183
ca5103ab0b21 check_gzip_magic before get_file_format (wrong type detection, bug #39652)
Andreas Weber <andy.weber.aw@gmail.com>
parents: 16892
diff changeset
401 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
402 {
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
403 bool retval = false;
17183
ca5103ab0b21 check_gzip_magic before get_file_format (wrong type detection, bug #39652)
Andreas Weber <andy.weber.aw@gmail.com>
parents: 16892
diff changeset
404 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
405 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
406
17183
ca5103ab0b21 check_gzip_magic before get_file_format (wrong type detection, bug #39652)
Andreas Weber <andy.weber.aw@gmail.com>
parents: 16892
diff changeset
407 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
408 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
409
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
410 return retval;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
411 }