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annotate libinterp/corefcn/ls-mat-ascii.cc @ 22196:dd992fd74fce

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put parser, lexer, and evaluator in namespace; interpreter now owns evaluator * oct-parse.in.yy, parse.h: Move parser classes to octave namespace. * lex.ll, lex.h: Move lexer classes to octave namespace. * pt-eval.h, pt-eval.cc: Move evaluator class to octave namespace. Don't define global current evaluator pointer here. * debug.cc, error.cc, input.cc, input.h, ls-mat-ascii.cc, pt-jit.cc, sighandlers.cc, utils.cc, variables.cc, ov-usr-fcn.cc, pt-assign.cc, pt-exp.h, pt-id.cc: Update for namespaces. * interpreter.cc, interpreter.h (current_evaluator): New global var. (interpreter::m_evaluator): New data member. (interpreter::~interpreter): Delete evaluator.
author John W. Eaton <jwe@octave.org>
date Tue, 12 Jul 2016 14:28:07 -0400
parents 9203833cab7d
children bac0d6f07a3e
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1 /*
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2
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4197fc428c7d maint: Update copyright notices for 2015.
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3 Copyright (C) 1996-2015 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
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9 Free Software Foundation; either version 3 of the License, or (at your
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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 #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 <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 "errwarn.h"
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52 #include "interpreter.h"
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53 #include "lex.h"
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54 #include "load-save.h"
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55 #include "ls-ascii-helper.h"
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56 #include "ls-mat-ascii.h"
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57 #include "ovl.h"
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58 #include "oct-map.h"
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59 #include "ov-cell.h"
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60 #include "pager.h"
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61 #include "pt-exp.h"
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62 #include "sysdep.h"
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63 #include "unwind-prot.h"
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64 #include "utils.h"
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65 #include "variables.h"
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66 #include "version.h"
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67 #include "dMatrix.h"
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68
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69 static std::string
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70 get_mat_data_input_line (std::istream& is)
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71 {
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72 std::string retval;
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73
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74 bool have_data = false;
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75
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76 do
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77 {
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78 retval = "";
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79
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80 char c;
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81 while (is.get (c))
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82 {
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83 if (c == '\n' || c == '\r')
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84 {
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85 is.putback (c);
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86 skip_preceeding_newline (is);
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87 break;
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88 }
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89
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90 if (c == '%' || c == '#')
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91 {
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92 skip_until_newline (is, false);
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93 break;
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94 }
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95
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96 if (! is.eof ())
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97 {
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98 if (! have_data && c != ' ' && c != '\t')
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99 have_data = true;
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100
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101 retval += c;
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102 }
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103 }
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104 }
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105 while (! (have_data || is.eof ()));
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106
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107 return retval;
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108 }
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109
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110 static void
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111 get_lines_and_columns (std::istream& is,
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112 octave_idx_type& nr, octave_idx_type& nc,
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113 const std::string& filename = "",
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114 bool quiet = false, bool check_numeric = false)
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115 {
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116 std::streampos pos = is.tellg ();
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117
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118 int file_line_number = 0;
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119
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120 nr = 0;
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121 nc = 0;
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122
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123 while (is)
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124 {
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125 octave_quit ();
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126
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127 std::string buf = get_mat_data_input_line (is);
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128
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129 file_line_number++;
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130
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131 size_t beg = buf.find_first_not_of (", \t");
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132
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133 // If we see a CR as the last character in the buffer, we had a
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134 // CRLF pair as the line separator. Any other CR in the text
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135 // will not be considered as whitespace.
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136
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137 if (beg != std::string::npos && buf[beg] == '\r'
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138 && beg == buf.length () - 1)
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139 {
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140 // We had a blank line ending with a CRLF. Handle it the
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141 // same as an empty line.
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142 beg = std::string::npos;
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143 }
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144
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145 octave_idx_type tmp_nc = 0;
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146
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147 while (beg != std::string::npos)
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148 {
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149 tmp_nc++;
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150
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151 size_t end = buf.find_first_of (", \t", beg);
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152
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153 if (end != std::string::npos)
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154 {
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
155 if (check_numeric)
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 std::istringstream tmp_stream (buf.substr (beg, end-beg));
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
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 octave_read_double (tmp_stream);
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 (tmp_stream.fail ())
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
162 {
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
163 if (! quiet)
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
164 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
165 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
166
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
167 nr = 0;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
168 nc = 0;
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 goto done;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
171 }
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
172 }
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
173
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
174 beg = buf.find_first_not_of (", \t", end);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
175
19864
17d647821d61 maint: More cleanup of C++ code to follow Octave coding conventions.
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
176 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
177 || (buf[beg] == '\r' && beg == buf.length () - 1))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
178 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
179 // We had a line with trailing spaces and
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
180 // 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
181 // not a new colum.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
182 break;
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 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
185 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
186 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
187 }
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
188
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
189 if (tmp_nc > 0)
10315
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 if (nc == 0)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
192 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
193 nc = tmp_nc;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
194 nr++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
195 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
196 else if (nc == tmp_nc)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
197 nr++;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
198 else
16555
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 if (! quiet)
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
201 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
202 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
203
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
204 nr = 0;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
205 nc = 0;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
206
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
207 goto done;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
208 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
209 }
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
210 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
211
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
212 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
213 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
214
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
215 done:
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
216
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
217 is.clear ();
4643
ef3a14fb6847 [project @ 2003-11-22 12:25:44 by jwe]
jwe
parents: 4634
diff changeset
218 is.seekg (pos);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
219 }
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 // Extract a matrix from a file of numbers only.
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 // 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
224 //
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
225 // 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
226 // and once to extract the matrix.
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 // FILENAME is used for error messages.
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 // 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
231
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
232 std::string
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
233 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
234 octave_value& tc)
4634
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
22196
dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
258 if (octave::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
20962
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
261 if (! valid_identifier (varname))
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
262 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
263 filename.c_str ());
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
264
20962
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
265 octave_idx_type nr = 0;
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
266 octave_idx_type nc = 0;
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
267
20962
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
268 int total_count = 0;
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
269
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
270 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
271
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
272 octave_quit ();
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
273
20981
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
274 if (nr <= 0 || nc <= 0)
20962
3aa293be0e8d maint: Invert simple conditionals in if/else/error paradigm.
Rik <rik@octave.org>
parents: 20956
diff changeset
275 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
276 filename.c_str ());
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
277
20981
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
278 Matrix tmp (nr, nc);
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 if (nr < 1 || nc < 1)
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
281 is.clear (std::ios::badbit);
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
282 else
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 double d;
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
285 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
286 {
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
287 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
288
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
289 std::istringstream tmp_stream (buf);
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
290
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
291 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
292 {
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
293 octave_quit ();
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
294
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
295 d = octave_read_value<double> (tmp_stream);
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 if (! tmp_stream && ! tmp_stream.eof ())
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
298 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
299 filename.c_str ());
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.elem (i, j) = d;
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
302 total_count++;
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
303
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
304 // Skip whitespace and commas.
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
305 char c;
c11cea70b638 maint: invert if/else/error instances.
John W. Eaton <jwe@octave.org>
parents: 20962
diff changeset
306 while (1)
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307 {
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308 tmp_stream >> c;
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309
c11cea70b638 maint: invert if/else/error instances.
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diff changeset
310 if (! tmp_stream)
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311 break;
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312
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313 if (! (c == ' ' || c == '\t' || c == ','))
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314 {
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315 tmp_stream.putback (c);
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316 break;
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317 }
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318 }
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319
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320 if (tmp_stream.eof ())
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321 break;
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322 }
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323 }
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324 }
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325
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326 if (! is && ! is.eof ())
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327 error ("load: failed to read matrix from file '%s'",
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328 filename.c_str ());
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329
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330 // FIXME: not sure this is best, but it works.
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331
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332 if (is.eof ())
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333 is.clear ();
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334
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335 octave_idx_type expected = nr * nc;
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336
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337 if (expected != total_count)
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338 error ("load: expected %d elements, found %d",
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339 expected, total_count);
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340
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341 tc = tmp;
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342
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343 return varname;
4634
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344 }
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345
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346 bool
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347 save_mat_ascii_data (std::ostream& os, const octave_value& val,
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348 int precision, bool tabs)
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349 {
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350 bool success = true;
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351
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352 if (val.is_complex_type ())
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353 warning ("save: omitting imaginary part for ASCII file");
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354
20535
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diff changeset
355 Matrix m;
5938
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356
20535
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357 try
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358 {
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359 m = val.matrix_value (true);
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360 }
20756
200ae1d650b7 propagate octave_execution_exception objects through try/catch blocks
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361 catch (const octave_execution_exception& e)
5938
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362 {
20756
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diff changeset
363 recover_from_exception ();
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diff changeset
364
5938
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365 success = false;
20535
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diff changeset
366 }
5938
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diff changeset
367
20535
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diff changeset
368 if (success)
5951
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
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diff changeset
369 {
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
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diff changeset
370 long old_precision = os.precision ();
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
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371
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
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diff changeset
372 os.precision (precision);
5938
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diff changeset
373
5951
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diff changeset
374 std::ios::fmtflags oflags
10315
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diff changeset
375 = os.flags (static_cast<std::ios::fmtflags> (std::ios::scientific));
5951
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
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parents: 5938
diff changeset
376
8425
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parents: 8021
diff changeset
377 if (tabs)
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diff changeset
378 {
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parents: 8021
diff changeset
379 for (octave_idx_type i = 0; i < m.rows (); i++)
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diff changeset
380 {
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parents: 8021
diff changeset
381 for (octave_idx_type j = 0; j < m.cols (); j++)
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diff changeset
382 {
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parents: 8021
diff changeset
383 // Omit leading tabs.
11586
12df7854fa7c strip trailing whitespace from source files
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parents: 11523
diff changeset
384 if (j != 0) os << '\t';
8425
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diff changeset
385 octave_write_double (os, m (i, j));
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diff changeset
386 }
2e777f5135a3 support -tabs option for save -ascii
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diff changeset
387 os << "\n";
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diff changeset
388 }
2e777f5135a3 support -tabs option for save -ascii
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parents: 8021
diff changeset
389 }
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Jaroslav Hajek <highegg@gmail.com>
parents: 8021
diff changeset
390 else
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parents: 8021
diff changeset
391 os << m;
5951
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parents: 5938
diff changeset
392
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
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parents: 5938
diff changeset
393 os.flags (oflags);
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
394
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
395 os.precision (old_precision);
b2167e370f82 [project @ 2006-08-22 05:13:42 by jwe]
jwe
parents: 5938
diff changeset
396 }
5938
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
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diff changeset
397
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
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parents: 5775
diff changeset
398 return (os && success);
5a3a716c257d [project @ 2006-08-18 06:06:53 by jwe]
jwe
parents: 5775
diff changeset
399 }
16555
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
400
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
401 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
402 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
403 {
04fb96f4bea1 allow double-click in file browser to load data files
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parents: 15467
diff changeset
404 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
405 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
406 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
407
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
408 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
409 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
410
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
411 return retval;
04fb96f4bea1 allow double-click in file browser to load data files
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
412 }