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doc: Update documentation on indexing expressions * expr.txi, octave.texi: Update documentation on indexing expressions
author Rik <octave@nomad.inbox5.com>
date Sun, 11 Dec 2011 22:15:48 -0800
parents 5fa482628bf6
children 050bc580cb60
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1 /*
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2
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3 Copyright (C) 1994-2011 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
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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 <cctype>
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28
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29 #include <queue>
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30 #include <sstream>
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31
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32 #include "dMatrix.h"
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33
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34 #include "Cell.h"
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35 #include "defun.h"
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36 #include "error.h"
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37 #include "gripes.h"
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38 #include "ov.h"
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39 #include "oct-obj.h"
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40 #include "unwind-prot.h"
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41 #include "utils.h"
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42
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43 DEFUN (char, args, ,
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44 "-*- texinfo -*-\n\
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45 @deftypefn {Built-in Function} {} char (@var{x})\n\
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46 @deftypefnx {Built-in Function} {} char (@var{x}, @dots{})\n\
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47 @deftypefnx {Built-in Function} {} char (@var{s1}, @var{s2}, @dots{})\n\
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48 @deftypefnx {Built-in Function} {} char (@var{cell_array})\n\
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49 Create a string array from one or more numeric matrices, character\n\
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50 matrices, or cell arrays. Arguments are concatenated vertically.\n\
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51 The returned values are padded with blanks as needed to make each row\n\
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52 of the string array have the same length. Empty input strings are\n\
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53 significant and will concatenated in the output.\n\
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54 \n\
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55 For numerical input, each element is converted\n\
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56 to the corresponding ASCII character. A range error results if an input\n\
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57 is outside the ASCII range (0-255).\n\
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58 \n\
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59 For cell arrays, each element is concatenated separately. Cell arrays\n\
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60 converted through\n\
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61 @code{char} can mostly be converted back with @code{cellstr}.\n\
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62 For example:\n\
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63 \n\
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64 @example\n\
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65 @group\n\
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66 char ([97, 98, 99], \"\", @{\"98\", \"99\", 100@}, \"str1\", [\"ha\", \"lf\"])\n\
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67 @result{} [\"abc \"\n\
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68 \" \"\n\
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69 \"98 \"\n\
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70 \"99 \"\n\
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71 \"d \"\n\
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72 \"str1 \"\n\
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73 \"half \"]\n\
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74 @end group\n\
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75 @end example\n\
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76 @seealso{strvcat, cellstr}\n\
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77 @end deftypefn")
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78 {
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79 octave_value retval;
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80
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81 int nargin = args.length ();
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82
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83 if (nargin == 0)
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84 retval = "";
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85 else if (nargin == 1)
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86 retval = args(0).convert_to_str (true, true,
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87 args(0).is_dq_string () ? '"' : '\'');
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88 else
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89 {
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90 int n_elts = 0;
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91
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92 int max_len = 0;
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93
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94 std::queue<string_vector> args_as_strings;
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95
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96 for (int i = 0; i < nargin; i++)
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97 {
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98 string_vector s = args(i).all_strings ();
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99
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100 if (error_state)
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101 {
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102 error ("char: unable to convert some args to strings");
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103 return retval;
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104 }
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105
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106 if (s.length () > 0)
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107 n_elts += s.length ();
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108 else
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109 n_elts += 1;
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110
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111 int s_max_len = s.max_length ();
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112
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113 if (s_max_len > max_len)
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114 max_len = s_max_len;
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115
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116 args_as_strings.push (s);
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117 }
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118
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119 string_vector result (n_elts);
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120
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121 int k = 0;
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122
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123 for (int i = 0; i < nargin; i++)
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124 {
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125 string_vector s = args_as_strings.front ();
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126 args_as_strings.pop ();
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127
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128 int n = s.length ();
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129
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130 if (n > 0)
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131 {
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132 for (int j = 0; j < n; j++)
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133 {
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134 std::string t = s[j];
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135 int t_len = t.length ();
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136
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137 if (max_len > t_len)
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138 t += std::string (max_len - t_len, ' ');
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139
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140 result[k++] = t;
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141 }
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142 }
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143 else
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144 result[k++] = std::string (max_len, ' ');
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145 }
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146
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147 retval = octave_value (result, '\'');
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148 }
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149
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150 return retval;
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151 }
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152
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153 /*
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154 %!assert (char (), '');
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155 %!assert (char (100) == "d");
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156 %!assert (all(char (100,100) == ["d";"d"]));
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157 %!assert (all(char ({100,100}) == ["d";"d"]));
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158 %!assert (all(char ([100,100]) == ["dd"]));
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159 %!assert (all(char ({100,{100}}) == ["d";"d"]));
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160 %!assert (all(char (100, [], 100) == ["d";" ";"d"]))
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161 %!assert (all(char ({100, [], 100}) == ["d";" ";"d"]))
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162 %!assert (all(char ({100,{100, {""}}}) == ["d";"d";" "]))
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163 %!assert (all(char (["a";"be"], {"c", 100}) == ["a";"be";"c";"d"]))
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164 %!assert(strcmp (char ("a", "bb", "ccc"), ["a "; "bb "; "ccc"]));
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165 %!assert(strcmp (char ([65, 83, 67, 73, 73]), "ASCII"));
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166
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167 %!test
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168 %! x = char ("foo", "bar", "foobar");
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169 %! assert((strcmp (x(1,:), "foo ")
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170 %! && strcmp (x(2,:), "bar ")
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171 %! && strcmp (x(3,:), "foobar")));
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172 */
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173
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174 DEFUN (strvcat, args, ,
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175 "-*- texinfo -*-\n\
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176 @deftypefn {Built-in Function} {} strvcat (@var{x})\n\
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177 @deftypefnx {Built-in Function} {} strvcat (@var{x}, @dots{})\n\
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178 @deftypefnx {Built-in Function} {} strvcat (@var{s1}, @var{s2}, @dots{})\n\
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179 @deftypefnx {Built-in Function} {} strvcat (@var{cell_array})\n\
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180 Create a character array from one or more numeric matrices, character\n\
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181 matrices, or cell arrays. Arguments are concatenated vertically.\n\
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182 The returned values are padded with blanks as needed to make each row\n\
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183 of the string array have the same length. Unlike @code{char}, empty\n\
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184 strings are removed and will not appear in the output.\n\
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185 \n\
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186 For numerical input, each element is converted\n\
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187 to the corresponding ASCII character. A range error results if an input\n\
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188 is outside the ASCII range (0-255).\n\
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189 \n\
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190 For cell arrays, each element is concatenated separately. Cell arrays\n\
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191 converted through\n\
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192 @code{strvcat} can mostly be converted back with @code{cellstr}.\n\
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193 For example:\n\
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194 \n\
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195 @example\n\
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196 @group\n\
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197 strvcat ([97, 98, 99], \"\", @{\"98\", \"99\", 100@}, \"str1\", [\"ha\", \"lf\"])\n\
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198 @result{} [\"abc \"\n\
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199 \"98 \"\n\
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200 \"99 \"\n\
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201 \"d \"\n\
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202 \"str1 \"\n\
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203 \"half \"]\n\
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204 @end group\n\
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205 @end example\n\
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206 @seealso{char, strcat, cstrcat}\n\
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207 @end deftypefn")
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208 {
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209 octave_value retval;
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210
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211 int nargin = args.length ();
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212
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213 if (nargin > 0)
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214 {
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215 int n_elts = 0;
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216
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217 size_t max_len = 0;
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218
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219 std::queue<string_vector> args_as_strings;
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220
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221 for (int i = 0; i < nargin; i++)
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222 {
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223 string_vector s = args(i).all_strings ();
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224
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225 if (error_state)
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226 {
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227 error ("strvcat: unable to convert some args to strings");
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228 return retval;
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229 }
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230
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231 size_t n = s.length ();
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232
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233 // do not count empty strings in calculation of number of elements
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234 if (n > 0)
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235 {
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236 for (size_t j = 0; j < n; j++)
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237 {
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238 if (s[j].length () > 0)
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239 n_elts++;
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240 }
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241 }
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242
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243 size_t s_max_len = s.max_length ();
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244
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245 if (s_max_len > max_len)
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246 max_len = s_max_len;
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247
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248 args_as_strings.push (s);
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249 }
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250
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251 string_vector result (n_elts);
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252
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253 octave_idx_type k = 0;
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254
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255 for (int i = 0; i < nargin; i++)
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256 {
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257 string_vector s = args_as_strings.front ();
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258 args_as_strings.pop ();
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259
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260 size_t n = s.length ();
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261
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262 if (n > 0)
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263 {
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264 for (size_t j = 0; j < n; j++)
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265 {
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266 std::string t = s[j];
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267 if (t.length () > 0)
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268 {
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269 size_t t_len = t.length ();
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270
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271 if (max_len > t_len)
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272 t += std::string (max_len - t_len, ' ');
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273
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274 result[k++] = t;
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275 }
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276 }
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277 }
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278 }
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279
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280 retval = octave_value (result, '\'');
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281 }
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282 else
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283 print_usage ();
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284
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285 return retval;
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286 }
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287
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288 /*
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289 %!error <Invalid call to strvcat> strvcat()
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290 %!assert (strvcat (""), "");
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291 %!assert (strvcat (100) == "d");
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292 %!assert (all(strvcat (100,100) == ["d";"d"]));
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293 %!assert (all(strvcat ({100,100}) == ["d";"d"]));
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294 %!assert (all(strvcat ([100,100]) == ["dd"]));
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295 %!assert (all(strvcat ({100,{100}}) == ["d";"d"]));
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296 %!assert (all(strvcat (100, [], 100) == ["d";"d"]))
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297 %!assert (all(strvcat ({100, [], 100}) == ["d";"d"]))
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298 %!assert (all(strvcat ({100,{100, {""}}}) == ["d";"d"]))
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299 %!assert (all(strvcat (["a";"be"], {"c", 100}) == ["a";"be";"c";"d"]))
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300 %!assert(strcmp (strvcat ("a", "bb", "ccc"), ["a "; "bb "; "ccc"]));
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301 */
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302
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303
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304 DEFUN (ischar, args, ,
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305 "-*- texinfo -*-\n\
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306 @deftypefn {Built-in Function} {} ischar (@var{x})\n\
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307 Return true if @var{x} is a character array.\n\
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308 @seealso{isfloat, isinteger, islogical, isnumeric, iscellstr, isa}\n\
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309 @end deftypefn")
807
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310 {
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311 octave_value retval;
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312
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313 int nargin = args.length ();
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314
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315 if (nargin == 1 && args(0).is_defined ())
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316 retval = args(0).is_string ();
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317 else
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318 print_usage ();
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319
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320 return retval;
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321 }
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322
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323 /*
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324 %!assert (ischar ("a"), logical (1));
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325 %!assert (ischar (["ab";"cd"]), logical (1));
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326 %!assert (ischar ({"ab"}), logical (0));
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327 %!assert (ischar (1), logical (0));
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328 %!assert(ischar ([1, 2]), logical (0));
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329 %!assert(ischar ([]), logical (0));
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330 %!assert(ischar ([1, 2; 3, 4]), logical (0));
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331 %!assert(ischar (""), logical (1));
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332 %!assert(ischar ("test"), logical (1));
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333 %!assert(ischar (["test"; "ing"]), logical (1));
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334 %!assert(ischar (struct ("foo", "bar")), logical (0));
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335 %!error <Invalid call to ischar> ischar ();
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336 %!error <Invalid call to ischar> ischar ("test", 1);
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337 */
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338
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339 static octave_value
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340 do_strcmp_fun (const octave_value& arg0, const octave_value& arg1,
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341 octave_idx_type n, const char *fcn_name,
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342 bool (*array_op) (const charNDArray&, const charNDArray&, octave_idx_type),
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343 bool (*str_op) (const std::string&, const std::string&, octave_idx_type))
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344
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345 {
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346 octave_value retval;
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347
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348 bool s1_string = arg0.is_string ();
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349 bool s1_cell = arg0.is_cell ();
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350 bool s2_string = arg1.is_string ();
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351 bool s2_cell = arg1.is_cell ();
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352
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353 if (s1_string && s2_string)
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354 retval = array_op (arg0.char_array_value (), arg1.char_array_value (), n);
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355 else if ((s1_string && s2_cell) || (s1_cell && s2_string))
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356 {
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357 octave_value str_val, cell_val;
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358
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359 if (s1_string)
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360 {
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361 str_val = arg0;
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362 cell_val = arg1;
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363 }
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364 else
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365 {
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366 str_val = arg1;
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367 cell_val = arg0;
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368 }
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369
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370 const Cell cell = cell_val.cell_value ();
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371 const string_vector str = str_val.all_strings ();
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372 octave_idx_type r = str.length ();
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373
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374 if (r == 0 || r == 1)
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375 {
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376 // Broadcast the string.
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377
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378 boolNDArray output (cell_val.dims (), false);
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379
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380 std::string s = r == 0 ? std::string () : str[0];
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381
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382 if (cell_val.is_cellstr ())
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383 {
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384 const Array<std::string> cellstr = cell_val.cellstr_value ();
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385 for (octave_idx_type i = 0; i < cellstr.length (); i++)
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386 output(i) = str_op (cellstr(i), s, n);
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387 }
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388 else
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389 {
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390 // FIXME: should we warn here?
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391 for (octave_idx_type i = 0; i < cell.length (); i++)
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392 {
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393 if (cell(i).is_string ())
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394 output(i) = str_op (cell(i).string_value (), s, n);
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395 }
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396 }
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397
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398 retval = output;
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399 }
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400 else if (r > 1)
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401 {
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402 if (cell.length () == 1)
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403 {
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404 // Broadcast the cell.
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405
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406 const dim_vector dv (r, 1);
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407 boolNDArray output (dv, false);
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408
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409 if (cell(0).is_string ())
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410 {
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411 const std::string str2 = cell(0).string_value ();
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412
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413 for (octave_idx_type i = 0; i < r; i++)
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414 output(i) = str_op (str[i], str2, n);
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415 }
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416
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417 retval = output;
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diff changeset
418 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
419 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
420 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
421 // Must match in all dimensions.
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
422
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
423 boolNDArray output (cell.dims (), false);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
424
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
425 if (cell.length () == r)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
426 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
427 if (cell_val.is_cellstr ())
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
428 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
429 const Array<std::string> cellstr = cell_val.cellstr_value ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
430 for (octave_idx_type i = 0; i < cellstr.length (); i++)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
431 output(i) = str_op (str[i], cellstr(i), n);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
432 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
433 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
434 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
435 // FIXME: should we warn here?
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
436 for (octave_idx_type i = 0; i < r; i++)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
437 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
438 if (cell(i).is_string ())
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
439 output(i) = str_op (str[i], cell(i).string_value (), n);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
440 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
441 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
442
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
443 retval = output;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
444 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
445 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
446 retval = false;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
447 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
448 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
449 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
450 else if (s1_cell && s2_cell)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
451 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
452 octave_value cell1_val, cell2_val;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
453 octave_idx_type r1 = arg0.numel (), r2;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
454
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
455 if (r1 == 1)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
456 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
457 // Make the singleton cell2.
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
458
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
459 cell1_val = arg1;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
460 cell2_val = arg0;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
461 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
462 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
463 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
464 cell1_val = arg0;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
465 cell2_val = arg1;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
466 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
467
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
468 const Cell cell1 = cell1_val.cell_value ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
469 const Cell cell2 = cell2_val.cell_value ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
470 r1 = cell1.numel ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
471 r2 = cell2.numel ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
472
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
473 const dim_vector size1 = cell1.dims ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
474 const dim_vector size2 = cell2.dims ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
475
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
476 boolNDArray output (size1, false);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
477
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
478 if (r2 == 1)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
479 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
480 // Broadcast cell2.
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
481
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
482 if (cell2(0).is_string ())
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
483 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
484 const std::string str2 = cell2(0).string_value ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
485
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
486 if (cell1_val.is_cellstr ())
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
487 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
488 const Array<std::string> cellstr = cell1_val.cellstr_value ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
489 for (octave_idx_type i = 0; i < cellstr.length (); i++)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
490 output(i) = str_op (cellstr(i), str2, n);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
491 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
492 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
493 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
494 // FIXME: should we warn here?
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
495 for (octave_idx_type i = 0; i < r1; i++)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
496 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
497 if (cell1(i).is_string ())
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
498 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
499 const std::string str1 = cell1(i).string_value ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
500 output(i) = str_op (str1, str2, n);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
501 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
502 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
503 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
504 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
505 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
506 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
507 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
508 if (size1 != size2)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
509 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
510 error ("%s: nonconformant cell arrays", fcn_name);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
511 return retval;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
512 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
513
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
514 if (cell1.is_cellstr () && cell2.is_cellstr ())
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
515 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
516 const Array<std::string> cellstr1 = cell1_val.cellstr_value ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
517 const Array<std::string> cellstr2 = cell2_val.cellstr_value ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
518 for (octave_idx_type i = 0; i < r1; i++)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
519 output (i) = str_op (cellstr1(i), cellstr2(i), n);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
520 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
521 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
522 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
523 // FIXME: should we warn here?
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
524 for (octave_idx_type i = 0; i < r1; i++)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
525 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
526 if (cell1(i).is_string () && cell2(i).is_string ())
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
527 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
528 const std::string str1 = cell1(i).string_value ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
529 const std::string str2 = cell2(i).string_value ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
530 output(i) = str_op (str1, str2, n);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
531 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
532 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
533 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
534 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
535
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
536 retval = output;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
537 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
538 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
539 retval = false;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
540
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
541 return retval;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
542 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
543
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
544 // If both args are arrays, dimensions may be significant.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
545 static bool
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
546 strcmp_array_op (const charNDArray& s1, const charNDArray& s2, octave_idx_type)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
547 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
548 return (s1.dims () == s2.dims ()
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
549 && std::equal (s1.data (), s1.data () + s1.numel (), s2.data ()));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
550 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
551
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
552 // Otherwise, just use strings.
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
553 static bool
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
554 strcmp_str_op (const std::string& s1, const std::string& s2,
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
555 octave_idx_type)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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parents: 9307
diff changeset
556 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
557 return s1 == s2;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
558 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
559
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
560 DEFUN (strcmp, args, ,
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
561 "-*- texinfo -*-\n\
6678
49724abe1236 [project @ 2007-05-31 19:44:45 by jwe]
jwe
parents: 6256
diff changeset
562 @deftypefn {Built-in Function} {} strcmp (@var{s1}, @var{s2})\n\
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
563 Return 1 if the character strings @var{s1} and @var{s2} are the same,\n\
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
564 and 0 otherwise.\n\
5674
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
jwe
parents: 5531
diff changeset
565 \n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
jwe
parents: 5531
diff changeset
566 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
jwe
parents: 5531
diff changeset
567 of the same size is returned, containing the values described above for\n\
9036
58604c45ca74 Cleanup of data types related documentation
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
568 every member of the cell array. The other argument may also be a cell\n\
5674
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
jwe
parents: 5531
diff changeset
569 array of strings (of the same size or with only one element), char matrix\n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
jwe
parents: 5531
diff changeset
570 or character string.\n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
jwe
parents: 5531
diff changeset
571 \n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9036
diff changeset
572 @strong{Caution:} For compatibility with @sc{matlab}, Octave's strcmp\n\
5674
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
jwe
parents: 5531
diff changeset
573 function returns 1 if the character strings are equal, and 0 otherwise.\n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
jwe
parents: 5531
diff changeset
574 This is just the opposite of the corresponding C library function.\n\
86adc85cc471 [project @ 2006-03-16 03:46:45 by jwe]
jwe
parents: 5531
diff changeset
575 @seealso{strcmpi, strncmp, strncmpi}\n\
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
576 @end deftypefn")
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
577 {
5531
ad2e70544c77 [project @ 2005-11-07 19:12:21 by jwe]
jwe
parents: 5530
diff changeset
578 octave_value retval;
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
579
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
580 if (args.length () == 2)
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
581 {
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
582 retval = do_strcmp_fun (args (0), args (1), 0,
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
583 "strcmp", strcmp_array_op, strcmp_str_op);
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
584 }
5416
9433f94acd29 [project @ 2005-07-18 18:36:29 by jwe]
jwe
parents: 5415
diff changeset
585 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5765
diff changeset
586 print_usage ();
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
587
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
588 return retval;
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
589 }
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
590
5862
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
591 /*
13915
5fa482628bf6 Remove unnecessary regular expression '.*' from ends of %!error blocks
Rik <octave@nomad.inbox5.com>
parents: 13140
diff changeset
592 %!error <Invalid call to strcmp> strcmp ();
5fa482628bf6 Remove unnecessary regular expression '.*' from ends of %!error blocks
Rik <octave@nomad.inbox5.com>
parents: 13140
diff changeset
593 %!error <Invalid call to strcmp> strcmp ("foo", "bar", 3);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13135
diff changeset
594 %!
5862
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
595 %!shared x
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
596 %! x = char (zeros (0, 2));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
597 %!assert (strcmp ('', x) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
598 %!assert (strcmp (x, '') == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
599 %!assert (strcmp (x, x) == true);
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13135
diff changeset
600 ## %!assert (strcmp ({''}, x) == true);
5911
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
601 ## %!assert (strcmp ({x}, '') == false);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
602 ## %!assert (strcmp ({x}, x) == true);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
603 ## %!assert (strcmp ('', {x}) == false);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
604 ## %!assert (strcmp (x, {''}) == false);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
605 ## %!assert (strcmp (x, {x}) == true);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
606 ## %!assert (all (strcmp ({x; x}, '') == [false; false]));
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
607 ## %!assert (all (strcmp ({x; x}, {''}) == [false; false]));
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
608 ## %!assert (all (strcmp ('', {x; x}) == [false; false]));
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
jwe
parents: 5862
diff changeset
609 ## %!assert (all (strcmp ({''}, {x; x}) == [false; false]));
5862
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
610 %!assert (strcmp ({'foo'}, x) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
611 %!assert (strcmp ({'foo'}, 'foo') == true);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
612 %!assert (strcmp ({'foo'}, x) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
613 %!assert (strcmp (x, {'foo'}) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
614 %!assert (strcmp ('foo', {'foo'}) == true);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
615 %!assert (strcmp (x, {'foo'}) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
616 %!shared y
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
617 %! y = char (zeros (2, 0));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
618 %!assert (strcmp ('', y) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
619 %!assert (strcmp (y, '') == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
620 %!assert (strcmp (y, y) == true);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
621 %!assert (all (strcmp ({''}, y) == [true; true]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
622 %!assert (strcmp ({y}, '') == true);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
623 %!assert (all (strcmp ({y}, y) == [true; true]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
624 %!assert (all (strcmp ('', {y}) == [true; true]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
625 %!assert (all (strcmp (y, {''}) == [true; true]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
626 %!assert (all (strcmp (y, {y}) == [true; true]));
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13135
diff changeset
627 %!assert (all (strcmp ({y; y}, '') == [true; true]));
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13135
diff changeset
628 %!assert (all (strcmp ({y; y}, {''}) == [true; true]));
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13135
diff changeset
629 %!assert (all (strcmp ('', {y; y}) == [true; true]));
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13135
diff changeset
630 %!assert (all (strcmp ({''}, {y; y}) == [true; true]));
5862
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
631 %!assert (all (strcmp ({'foo'}, y) == [false; false]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
632 %!assert (all (strcmp ({'foo'}, y) == [false; false]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
633 %!assert (all (strcmp (y, {'foo'}) == [false; false]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
634 %!assert (all (strcmp (y, {'foo'}) == [false; false]));
13140
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13135
diff changeset
635 %!assert (strcmp ("foobar", "foobar"), true);
98d23b0f16e1 maint: move test_string.m tests to source files
John W. Eaton <jwe@octave.org>
parents: 13135
diff changeset
636 %!assert (strcmp ("fooba", "foobar"), false);
5862
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
637 */
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
jwe
parents: 5823
diff changeset
638
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
639 // Apparently, Matlab ignores the dims with strncmp. It also
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
640 static bool
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
641 strncmp_array_op (const charNDArray& s1, const charNDArray& s2, octave_idx_type n)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
642 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
643 octave_idx_type l1 = s1.numel (), l2 = s2.numel ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
644 return (n > 0 && n <= l1 && n <= l2
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
645 && std::equal (s1.data (), s1.data () + n, s2.data ()));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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parents: 9307
diff changeset
646 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
647
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
648 // Otherwise, just use strings. Note that we neither extract substrings (which
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
649 // would mean a copy, at least in GCC), nor use string::compare (which is a
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
650 // 3-way compare).
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
651 static bool
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
652 strncmp_str_op (const std::string& s1, const std::string& s2, octave_idx_type n)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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parents: 9307
diff changeset
653 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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parents: 9307
diff changeset
654 octave_idx_type l1 = s1.length (), l2 = s2.length ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
655 return (n > 0 && n <= l1 && n <= l2
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
656 && std::equal (s1.data (), s1.data () + n, s2.data ()));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
657 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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parents: 9307
diff changeset
658
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
659 DEFUN (strncmp, args, ,
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
660 "-*- texinfo -*-\n\
6678
49724abe1236 [project @ 2007-05-31 19:44:45 by jwe]
jwe
parents: 6256
diff changeset
661 @deftypefn {Built-in Function} {} strncmp (@var{s1}, @var{s2}, @var{n})\n\
10840
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10350
diff changeset
662 Return 1 if the first @var{n} characters of strings @var{s1} and @var{s2} are\n\
89f4d7e294cc Grammarcheck .cc files
Rik <octave@nomad.inbox5.com>
parents: 10350
diff changeset
663 the same, and 0 otherwise.\n\
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
664 \n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
665 @example\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
666 @group\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
667 strncmp (\"abce\", \"abcd\", 3)\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
668 @result{} 1\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
669 @end group\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
670 @end example\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
671 \n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
672 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
673 of the same size is returned, containing the values described above for\n\
9036
58604c45ca74 Cleanup of data types related documentation
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
674 every member of the cell array. The other argument may also be a cell\n\
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
675 array of strings (of the same size or with only one element), char matrix\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
676 or character string.\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
677 \n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
678 @example\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
679 @group\n\
6256
83949ae13b2c [project @ 2007-01-30 18:45:59 by jwe]
jwe
parents: 6250
diff changeset
680 strncmp (\"abce\", @{\"abcd\", \"bca\", \"abc\"@}, 3)\n\
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
681 @result{} [1, 0, 1]\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
682 @end group\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
683 @end example\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
684 \n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9036
diff changeset
685 @strong{Caution:} For compatibility with @sc{matlab}, Octave's strncmp\n\
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
686 function returns 1 if the character strings are equal, and 0 otherwise.\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
687 This is just the opposite of the corresponding C library function.\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
688 @seealso{strncmpi, strcmp, strcmpi}\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
689 @end deftypefn")
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
690 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
691 octave_value retval;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
692
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
693 if (args.length () == 3)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
694 {
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
695 octave_idx_type n = args(2).idx_type_value ();
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
696
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
697 if (! error_state)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
698 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
699 if (n > 0)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
700 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
701 retval = do_strcmp_fun (args(0), args(1), n, "strncmp",
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
702 strncmp_array_op, strncmp_str_op);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
703 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
704 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
705 error ("strncmp: N must be greater than 0");
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
706 }
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
707 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
708 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
709 print_usage ();
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
710
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
711 return retval;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
712 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
713
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
714 /*
13915
5fa482628bf6 Remove unnecessary regular expression '.*' from ends of %!error blocks
Rik <octave@nomad.inbox5.com>
parents: 13140
diff changeset
715 %!error <Invalid call to strncmp> strncmp ();
5fa482628bf6 Remove unnecessary regular expression '.*' from ends of %!error blocks
Rik <octave@nomad.inbox5.com>
parents: 13140
diff changeset
716 %!error <Invalid call to strncmp> strncmp ("abc", "def");
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
717 %!assert (strncmp ("abce", "abc", 3) == 1)
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
718 %!assert (strncmp (100, 100, 1) == 0)
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
719 %!assert (all (strncmp ("abce", {"abcd", "bca", "abc"}, 3) == [1, 0, 1]))
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
720 %!assert (all (strncmp ("abc", {"abcd", "bca", "abc"}, 4) == [0, 0, 0]))
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
721 %!assert (all (strncmp ({"abcd", "bca", "abc"},"abce", 3) == [1, 0, 1]))
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
722 %!assert (all (strncmp ({"abcd", "bca", "abc"},{"abcd", "bca", "abe"}, 3) == [1, 1, 0]))
8472
5451f7460ea6 strfns.cc (Fstrcmp, Fstrncmp): initialize all elements of output with constructor arg
John W. Eaton <jwe@octave.org>
parents: 8464
diff changeset
723 %!assert (all (strncmp("abc", {"abcd", 10}, 2) == [1, 0]))
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
724 */
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
725
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
726 // case-insensitive character equality functor
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
727 struct icmp_char_eq : public std::binary_function<char, char, bool>
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
728 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
729 bool operator () (char x, char y) const
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
730 { return std::toupper (x) == std::toupper (y); }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
731 };
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
732
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
733 // strcmpi is equivalent to strcmp in that it checks all dims.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
734 static bool
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
735 strcmpi_array_op (const charNDArray& s1, const charNDArray& s2, octave_idx_type)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
736 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
737 return (s1.dims () == s2.dims ()
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
738 && std::equal (s1.data (), s1.data () + s1.numel (), s2.data (),
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
739 icmp_char_eq ()));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
740 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
741
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
742 // Ditto for string.
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
743 static bool
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
744 strcmpi_str_op (const std::string& s1, const std::string& s2,
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
745 octave_idx_type)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
746 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
747 return (s1.size () == s2.size ()
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
748 && std::equal (s1.data (), s1.data () + s1.size (), s2.data (),
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
749 icmp_char_eq ()));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
750 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
751
10316
9966f1f71c32 use DEFUNX instead of DEFUN for strcmpi and strncmpi
John W. Eaton <jwe@octave.org>
parents: 10315
diff changeset
752 DEFUNX ("strcmpi", Fstrcmpi, args, ,
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
753 "-*- texinfo -*-\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
754 @deftypefn {Built-in Function} {} strcmpi (@var{s1}, @var{s2})\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
755 Return 1 if the character strings @var{s1} and @var{s2} are the same,\n\
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
756 disregarding case of alphabetic characters, and 0 otherwise.\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
757 \n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
758 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
759 of the same size is returned, containing the values described above for\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
760 every member of the cell array. The other argument may also be a cell\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
761 array of strings (of the same size or with only one element), char matrix\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
762 or character string.\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
763 \n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
764 @strong{Caution:} For compatibility with @sc{matlab}, Octave's strcmp\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
765 function returns 1 if the character strings are equal, and 0 otherwise.\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
766 This is just the opposite of the corresponding C library function.\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
767 \n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
768 @strong{Caution:} National alphabets are not supported.\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
769 @seealso{strcmp, strncmp, strncmpi}\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
770 @end deftypefn")
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
771 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
772 octave_value retval;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
773
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
774 if (args.length () == 2)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
775 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
776 retval = do_strcmp_fun (args (0), args (1), 0,
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
777 "strcmpi", strcmpi_array_op, strcmpi_str_op);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
778 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
779 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
780 print_usage ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
781
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
782 return retval;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
783 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
784
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
785 /*
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
786 %!assert (strcmpi("abc123", "ABC123"), logical(1));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
787 */
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
788
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
789 // Like strncmp.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
790 static bool
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
791 strncmpi_array_op (const charNDArray& s1, const charNDArray& s2, octave_idx_type n)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
792 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
793 octave_idx_type l1 = s1.numel (), l2 = s2.numel ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
794 return (n > 0 && n <= l1 && n <= l2
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
795 && std::equal (s1.data (), s1.data () + n, s2.data (),
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
796 icmp_char_eq ()));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
797 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
798
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
799 // Ditto.
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
800 static bool
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
801 strncmpi_str_op (const std::string& s1, const std::string& s2, octave_idx_type n)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
802 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
803 octave_idx_type l1 = s1.length (), l2 = s2.length ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11572
diff changeset
804 return (n > 0 && n <= l1 && n <= l2
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
805 && std::equal (s1.data (), s1.data () + n, s2.data (),
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
806 icmp_char_eq ()));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
807 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
808
10318
f0ac2fa91733 fix incorrect strncmpi change
John W. Eaton <jwe@octave.org>
parents: 10316
diff changeset
809 DEFUNX ("strncmpi", Fstrncmpi, args, ,
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
810 "-*- texinfo -*-\n\
10234
c4c2bda71f82 fix typo in strncmpi docstring
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
811 @deftypefn {Built-in Function} {} strncmpi (@var{s1}, @var{s2}, @var{n})\n\
11572
7d6d8c1e471f Grammarcheck Texinfo for files in src directory.
Rik <octave@nomad.inbox5.com>
parents: 11523
diff changeset
812 Return 1 if the first @var{n} character of @var{s1} and @var{s2} are the\n\
10846
a4f482e66b65 Grammarcheck more of the documentation.
Rik <octave@nomad.inbox5.com>
parents: 10840
diff changeset
813 same, disregarding case of alphabetic characters, and 0 otherwise.\n\
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
814 \n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
815 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
816 of the same size is returned, containing the values described above for\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
817 every member of the cell array. The other argument may also be a cell\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
818 array of strings (of the same size or with only one element), char matrix\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
819 or character string.\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
820 \n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
821 @strong{Caution:} For compatibility with @sc{matlab}, Octave's strncmpi\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
822 function returns 1 if the character strings are equal, and 0 otherwise.\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
823 This is just the opposite of the corresponding C library function.\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
824 \n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
825 @strong{Caution:} National alphabets are not supported.\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
826 @seealso{strncmp, strcmp, strcmpi}\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
827 @end deftypefn")
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
828 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
829 octave_value retval;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
830
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
831 if (args.length () == 3)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
832 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
833 octave_idx_type n = args(2).idx_type_value ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
834
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
835 if (! error_state)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
836 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
837 if (n > 0)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
838 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
839 retval = do_strcmp_fun (args(0), args(1), n, "strncmpi",
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
840 strncmpi_array_op, strncmpi_str_op);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
841 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
842 else
10316
9966f1f71c32 use DEFUNX instead of DEFUN for strcmpi and strncmpi
John W. Eaton <jwe@octave.org>
parents: 10315
diff changeset
843 error ("strncmpi: N must be greater than 0");
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
844 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
845 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
846 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
847 print_usage ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
848
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
849 return retval;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
850 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
851
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
852 /*
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
853 %!assert (strncmpi("abc123", "ABC456", 3), logical(1));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
854 */
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
855
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
856 DEFUN (list_in_columns, args, ,
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
857 "-*- texinfo -*-\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
858 @deftypefn {Built-in Function} {} list_in_columns (@var{arg}, @var{width})\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
859 Return a string containing the elements of @var{arg} listed in\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
860 columns with an overall maximum width of @var{width}. The argument\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
861 @var{arg} must be a cell array of character strings or a character array.\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
862 If @var{width} is not specified, the width of the terminal screen is used.\n\
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
863 Newline characters are used to break the lines in the output string.\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
864 For example:\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
865 \n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
866 @example\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
867 @group\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
868 list_in_columns (@{\"abc\", \"def\", \"ghijkl\", \"mnop\", \"qrs\", \"tuv\"@}, 20)\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
869 @result{} ans = abc mnop\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
870 def qrs\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
871 ghijkl tuv\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
872 \n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
873 whos ans\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
874 @result{}\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
875 Variables in the current scope:\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
876 \n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
877 Attr Name Size Bytes Class\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
878 ==== ==== ==== ===== =====\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
879 ans 1x37 37 char\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
880 \n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
881 Total is 37 elements using 37 bytes\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
882 @end group\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
883 @end example\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
884 \n\
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
885 @seealso{terminal_size}\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
886 @end deftypefn")
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
887 {
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
888 octave_value retval;
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
889
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
890 int nargin = args.length ();
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
891
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
892 if (nargin == 1 || nargin == 2)
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
893 {
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
894 string_vector s = args(0).all_strings ();
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
895
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
896 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
897 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
898 std::ostringstream buf;
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
899
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
900 if (nargin == 1)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
901 // Let list_in_columns query terminal width.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
902 s.list_in_columns (buf);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
903 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
904 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
905 int width = args(1).int_value ();
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
906
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
907 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
908 s.list_in_columns (buf, width);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
909 else
12483
7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation.
Rik <octave@nomad.inbox5.com>
parents: 11586
diff changeset
910 error ("list_in_columns: WIDTH must be an integer");
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
911 }
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
912
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
913 retval = buf.str ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
914 }
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
915 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
916 error ("list_in_columns: expecting cellstr or char array");
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
917 }
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
918 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5765
diff changeset
919 print_usage ();
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
920
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
921 return retval;
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
922 }
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
923
807
c03b179482fc [project @ 1994-10-14 14:21:58 by jwe]
jwe
parents:
diff changeset
924 /*
13915
5fa482628bf6 Remove unnecessary regular expression '.*' from ends of %!error blocks
Rik <octave@nomad.inbox5.com>
parents: 13140
diff changeset
925 %!error <Invalid call to list_in_columns> list_in_columns ();
5fa482628bf6 Remove unnecessary regular expression '.*' from ends of %!error blocks
Rik <octave@nomad.inbox5.com>
parents: 13140
diff changeset
926 %!error <Invalid call to list_in_columns> list_in_columns (["abc", "def"], 20, 2);
5fa482628bf6 Remove unnecessary regular expression '.*' from ends of %!error blocks
Rik <octave@nomad.inbox5.com>
parents: 13140
diff changeset
927 %!error <invalid conversion from string to real scalar> list_in_columns (["abc", "def"], "a");
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
928 %!test
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
929 %! input = {"abc", "def", "ghijkl", "mnop", "qrs", "tuv"};
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
930 %! result = "abc mnop\ndef qrs\nghijkl tuv\n";
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
931 %! assert (list_in_columns (input, 20) == result);
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
932 %!test
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
933 %! input = ["abc"; "def"; "ghijkl"; "mnop"; "qrs"; "tuv"];
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
934 %! result = "abc mnop \ndef qrs \nghijkl tuv \n";
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
935 %! assert (list_in_columns (input, 20) == result);
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
936 */