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annotate src/strfns.cc @ 10316:9966f1f71c32

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use DEFUNX instead of DEFUN for strcmpi and strncmpi
author John W. Eaton <jwe@octave.org>
date Thu, 11 Feb 2010 12:55:25 -0500
parents 57a59eae83cc
children f0ac2fa91733
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1 /*
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2
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3 Copyright (C) 1994, 1995, 1996, 1997, 1999, 2002, 2003, 2004, 2005,
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4 2006, 2007, 2008, 2009 John W. Eaton
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include <cctype>
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29
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30 #include <queue>
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31 #include <sstream>
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32
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33 #include "dMatrix.h"
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34
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35 #include "Cell.h"
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36 #include "defun.h"
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37 #include "error.h"
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38 #include "gripes.h"
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39 #include "ov.h"
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40 #include "oct-obj.h"
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41 #include "unwind-prot.h"
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42 #include "utils.h"
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43
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44 DEFUN (char, args, ,
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45 "-*- texinfo -*-\n\
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46 @deftypefn {Built-in Function} {} char (@var{x})\n\
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47 @deftypefnx {Built-in Function} {} char (@var{x}, @dots{})\n\
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48 @deftypefnx {Built-in Function} {} char (@var{s1}, @var{s2}, @dots{})\n\
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49 @deftypefnx {Built-in Function} {} char (@var{cell_array})\n\
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50 Create a string array from one or more numeric matrices, character\n\
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51 matrices, or cell arrays. Arguments are concatenated vertically.\n\
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52 The returned values are padded with blanks as needed to make each row\n\
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53 of the string array have the same length. Empty input strings are\n\
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54 significant and will concatenated in the output.\n\
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55 \n\
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56 For numerical input, each element is converted\n\
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57 to the corresponding ASCII character. A range error results if an input\n\
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58 is outside the ASCII range (0-255).\n\
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59 \n\
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60 For cell arrays, each element is concatenated separately. Cell arrays 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 == 1)
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84 retval = args(0).convert_to_str (true, true,
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85 args(0).is_dq_string () ? '"' : '\'');
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86 else if (nargin > 1)
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87 {
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88 int n_elts = 0;
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89
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90 int max_len = 0;
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91
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92 std::queue<string_vector> args_as_strings;
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93
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94 for (int i = 0; i < nargin; i++)
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95 {
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96 string_vector s = args(i).all_strings ();
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97
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98 if (error_state)
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99 {
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100 error ("char: unable to convert some args to strings");
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101 return retval;
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102 }
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103
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104 if (s.length () > 0)
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105 n_elts += s.length ();
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106 else
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107 n_elts += 1;
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108
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109 int s_max_len = s.max_length ();
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110
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111 if (s_max_len > max_len)
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112 max_len = s_max_len;
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113
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114 args_as_strings.push (s);
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115 }
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116
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117 string_vector result (n_elts);
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118
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119 int k = 0;
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120
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121 for (int i = 0; i < nargin; i++)
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122 {
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123 string_vector s = args_as_strings.front ();
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124 args_as_strings.pop ();
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125
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126 int n = s.length ();
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127
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128 if (n > 0)
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129 {
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130 for (int j = 0; j < n; j++)
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131 {
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132 std::string t = s[j];
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133 int t_len = t.length ();
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134
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135 if (max_len > t_len)
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136 t += std::string (max_len - t_len, ' ');
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137
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138 result[k++] = t;
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139 }
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140 }
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141 else
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142 result[k++] = std::string (max_len, ' ');
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143 }
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144
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145 retval = octave_value (result, '\'');
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146 }
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147 else
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148 print_usage ();
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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 %!error <Invalid call to char> 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 */
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166
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167 DEFUN (strvcat, args, ,
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168 "-*- texinfo -*-\n\
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169 @deftypefn {Built-in Function} {} strvcat (@var{x})\n\
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170 @deftypefnx {Built-in Function} {} strvcat (@var{x}, @dots{})\n\
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171 @deftypefnx {Built-in Function} {} strvcat (@var{s1}, @var{s2}, @dots{})\n\
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172 @deftypefnx {Built-in Function} {} strvcat (@var{cell_array})\n\
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173 Create a character array from one or more numeric matrices, character\n\
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174 matrices, or cell arrays. Arguments are concatenated vertically.\n\
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175 The returned values are padded with blanks as needed to make each row\n\
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176 of the string array have the same length. Unlike @code{char}, empty\n\
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177 strings are removed and will not appear in the output.\n\
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178 \n\
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179 For numerical input, each element is converted\n\
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180 to the corresponding ASCII character. A range error results if an input\n\
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181 is outside the ASCII range (0-255).\n\
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182 \n\
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183 For cell arrays, each element is concatenated separately. Cell arrays converted through\n\
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184 @code{strvcat} can mostly be converted back with @code{cellstr}.\n\
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185 For example,\n\
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186 \n\
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187 @example\n\
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188 @group\n\
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189 strvcat ([97, 98, 99], \"\", @{\"98\", \"99\", 100@}, \"str1\", [\"ha\", \"lf\"])\n\
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190 @result{} [\"abc \"\n\
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191 \"98 \"\n\
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192 \"99 \"\n\
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193 \"d \"\n\
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194 \"str1 \"\n\
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195 \"half \"]\n\
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196 @end group\n\
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197 @end example\n\
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198 @seealso{char, strcat, cstrcat}\n\
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199 @end deftypefn")
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200 {
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201 octave_value retval;
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202
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203 int nargin = args.length ();
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204
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205 if (nargin > 0)
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206 {
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207 int n_elts = 0;
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208
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209 size_t max_len = 0;
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210
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211 std::queue<string_vector> args_as_strings;
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212
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213 for (int i = 0; i < nargin; i++)
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214 {
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215 string_vector s = args(i).all_strings ();
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216
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217 if (error_state)
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218 {
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219 error ("strvcat: unable to convert some args to strings");
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220 return retval;
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221 }
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222
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223 size_t n = s.length ();
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224
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225 // do not count empty strings in calculation of number of elements
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226 if (n > 0)
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227 {
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228 for (size_t j = 0; j < n; j++)
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229 {
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230 if (s[j].length () > 0)
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231 n_elts++;
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232 }
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233 }
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234
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235 size_t s_max_len = s.max_length ();
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236
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237 if (s_max_len > max_len)
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238 max_len = s_max_len;
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239
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240 args_as_strings.push (s);
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241 }
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242
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243 string_vector result (n_elts);
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244
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245 octave_idx_type k = 0;
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246
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247 for (int i = 0; i < nargin; i++)
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248 {
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249 string_vector s = args_as_strings.front ();
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250 args_as_strings.pop ();
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251
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252 size_t n = s.length ();
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253
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254 if (n > 0)
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255 {
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256 for (size_t j = 0; j < n; j++)
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257 {
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258 std::string t = s[j];
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259 if (t.length () > 0)
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260 {
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261 size_t t_len = t.length ();
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262
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263 if (max_len > t_len)
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264 t += std::string (max_len - t_len, ' ');
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265
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266 result[k++] = t;
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267 }
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268 }
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269 }
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270 }
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271
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272 retval = octave_value (result, '\'');
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273 }
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274 else
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275 print_usage ();
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276
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277 return retval;
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278 }
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279
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280 /*
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281 %!error <Invalid call to strvcat> strvcat()
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282 %!assert (strvcat (""), "");
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283 %!assert (strvcat (100) == "d");
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284 %!assert (all(strvcat (100,100) == ["d";"d"]));
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285 %!assert (all(strvcat ({100,100}) == ["d";"d"]));
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286 %!assert (all(strvcat ([100,100]) == ["dd"]));
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287 %!assert (all(strvcat ({100,{100}}) == ["d";"d"]));
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288 %!assert (all(strvcat (100, [], 100) == ["d";"d"]))
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289 %!assert (all(strvcat ({100, [], 100}) == ["d";"d"]))
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290 %!assert (all(strvcat ({100,{100, {""}}}) == ["d";"d"]))
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291 %!assert (all(strvcat (["a";"be"], {"c", 100}) == ["a";"be";"c";"d"]))
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292 %!assert(strcmp (strvcat ("a", "bb", "ccc"), ["a "; "bb "; "ccc"]));
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293 */
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294
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295
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296 DEFUN (ischar, args, ,
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297 "-*- texinfo -*-\n\
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298 @deftypefn {Built-in Function} {} ischar (@var{a})\n\
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299 Return 1 if @var{a} is a character array. Otherwise, return 0.\n\
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300 @end deftypefn")
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301 {
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302 octave_value retval;
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303
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304 int nargin = args.length ();
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305
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306 if (nargin == 1 && args(0).is_defined ())
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307 retval = args(0).is_string ();
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308 else
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309 print_usage ();
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310
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311 return retval;
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312 }
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313
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314 /*
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315
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316 %!assert (ischar ("a"), logical (1));
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317 %!assert (ischar (["ab";"cd"]), logical (1));
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318 %!assert (ischar ({"ab"}), logical (0));
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319 %!assert (ischar (1), logical (0));
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320 %!error <Invalid call to ischar.*> ischar ();
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321
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322 */
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323
10108
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324 static octave_value
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325 do_strcmp_fun (const octave_value& arg0, const octave_value& arg1,
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326 octave_idx_type n, const char *fcn_name,
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327 bool (*array_op) (const charNDArray&, const charNDArray&, octave_idx_type),
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328 bool (*str_op) (const std::string&, const std::string&, octave_idx_type))
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329
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330 {
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331 octave_value retval;
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332
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333 bool s1_string = arg0.is_string ();
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334 bool s1_cell = arg0.is_cell ();
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335 bool s2_string = arg1.is_string ();
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336 bool s2_cell = arg1.is_cell ();
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337
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338 if (s1_string && s2_string)
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339 retval = array_op (arg0.char_array_value (), arg1.char_array_value (), n);
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340 else if ((s1_string && s2_cell) || (s1_cell && s2_string))
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341 {
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342 octave_value str_val, cell_val;
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343
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344 if (s1_string)
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345 {
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346 str_val = arg0;
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347 cell_val = arg1;
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348 }
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349 else
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350 {
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351 str_val = arg1;
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352 cell_val = arg0;
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353 }
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354
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355 const Cell cell = cell_val.cell_value ();
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356 const string_vector str = str_val.all_strings ();
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357 octave_idx_type r = str.rows ();
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358
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359 if (r == 0 || r == 1)
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360 {
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361 // Broadcast the string.
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362
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363 boolNDArray output (cell_val.dims (), false);
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364
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365 std::string s = r == 0 ? std::string () : str[0];
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366
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367 if (cell_val.is_cellstr ())
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368 {
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369 const Array<std::string> cellstr = cell_val.cellstr_value ();
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370 for (octave_idx_type i = 0; i < cellstr.length (); i++)
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371 output(i) = str_op (cellstr(i), s, n);
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372 }
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373 else
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374 {
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375 // FIXME: should we warn here?
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376 for (octave_idx_type i = 0; i < cell.length (); i++)
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377 {
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378 if (cell(i).is_string ())
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379 output(i) = str_op (cell(i).string_value (), s, n);
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380 }
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381 }
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382
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383 retval = output;
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384 }
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385 else if (r > 1)
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386 {
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387 if (cell.length () == 1)
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388 {
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389 // Broadcast the cell.
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390
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391 const dim_vector dv (r, 1);
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392 boolNDArray output (dv, false);
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393
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394 if (cell(0).is_string ())
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395 {
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396 const std::string str2 = cell(0).string_value ();
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397
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398 for (octave_idx_type i = 0; i < r; i++)
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399 output(i) = str_op (str[i], str2, n);
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400 }
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401
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402 retval = output;
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403 }
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404 else
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405 {
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406 // Must match in all dimensions.
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407
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408 boolNDArray output (cell.dims (), false);
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409
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410 if (cell.length () == r)
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411 {
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412 if (cell_val.is_cellstr ())
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413 {
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414 const Array<std::string> cellstr = cell_val.cellstr_value ();
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415 for (octave_idx_type i = 0; i < cellstr.length (); i++)
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416 output(i) = str_op (str[i], cellstr(i), n);
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417 }
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418 else
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419 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
420 // FIXME: should we warn here?
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
421 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
422 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
423 if (cell(i).is_string ())
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
424 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
425 }
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
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
428 retval = output;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
429 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
430 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
431 retval = false;
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 }
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 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
436 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
437 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
438 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
439
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
440 if (r1 == 1)
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 // Make the singleton cell2.
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
443
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
444 cell1_val = arg1;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
445 cell2_val = arg0;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
446 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
447 else
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 cell1_val = arg0;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
450 cell2_val = arg1;
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
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
453 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
454 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
455 r1 = cell1.numel ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
456 r2 = cell2.numel ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
457
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
458 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
459 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
460
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
461 boolNDArray output (size1, false);
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
462
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
463 if (r2 == 1)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
464 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
465 // Broadcast cell2.
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 if (cell2(0).is_string ())
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
468 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
469 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
470
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
471 if (cell1_val.is_cellstr ())
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 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
474 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
475 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
476 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
477 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
478 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
479 // FIXME: should we warn here?
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
480 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
481 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
482 if (cell1(i).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 str1 = cell1(i).string_value ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
485 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
486 }
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 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
489 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
490 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
491 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
492 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
493 if (size1 != size2)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
494 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
495 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
496 return retval;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
497 }
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 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
500 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
501 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
502 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
503 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
504 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
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 // FIXME: should we warn here?
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
509 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
510 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
511 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
512 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
513 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
514 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
515 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
516 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
517 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
518 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
519 }
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 retval = output;
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 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
524 retval = false;
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 return retval;
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
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
529 // If both args are arrays, dimensions may be significant.
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
530 static bool
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
531 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
532 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
533 return (s1.dims () == s2.dims ()
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
534 && 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
535 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
536
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
537 // Otherwise, just use strings.
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
538 static bool
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
539 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
540 octave_idx_type)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
541 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
542 return s1 == s2;
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
5415
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
545 DEFUN (strcmp, args, ,
1fbae9f046e3 [project @ 2005-07-18 18:16:12 by jwe]
jwe
parents: 5307
diff changeset
546 "-*- texinfo -*-\n\
6678
49724abe1236 [project @ 2007-05-31 19:44:45 by jwe]
jwe
parents: 6256
diff changeset
547 @deftypefn {Built-in Function} {} strcmp (@var{s1}, @var{s2})\n\
5415
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diff changeset
548 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]
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diff changeset
549 and 0 otherwise.\n\
5674
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diff changeset
550 \n\
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diff changeset
551 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\
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552 of the same size is returned, containing the values described above for\n\
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diff changeset
553 every member of the cell array. The other argument may also be a cell\n\
5674
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diff changeset
554 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]
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parents: 5531
diff changeset
555 or character string.\n\
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parents: 5531
diff changeset
556 \n\
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557 @strong{Caution:} For compatibility with @sc{matlab}, Octave's strcmp\n\
5674
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diff changeset
558 function returns 1 if the character strings are equal, and 0 otherwise.\n\
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diff changeset
559 This is just the opposite of the corresponding C library function.\n\
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diff changeset
560 @seealso{strcmpi, strncmp, strncmpi}\n\
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diff changeset
561 @end deftypefn")
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diff changeset
562 {
5531
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diff changeset
563 octave_value retval;
5415
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diff changeset
564
5416
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565 if (args.length () == 2)
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diff changeset
566 {
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diff changeset
567 retval = do_strcmp_fun (args (0), args (1), 0,
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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diff changeset
568 "strcmp", strcmp_array_op, strcmp_str_op);
5415
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diff changeset
569 }
5416
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570 else
5823
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diff changeset
571 print_usage ();
5415
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diff changeset
572
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diff changeset
573 return retval;
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diff changeset
574 }
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575
5862
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diff changeset
576 /*
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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577 %!shared x
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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578 %! x = char (zeros (0, 2));
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diff changeset
579 %!assert (strcmp ('', x) == false);
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diff changeset
580 %!assert (strcmp (x, '') == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
581 %!assert (strcmp (x, x) == true);
5911
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diff changeset
582 ## %!assert (strcmp ({''}, x) == false);
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diff changeset
583 ## %!assert (strcmp ({x}, '') == false);
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parents: 5862
diff changeset
584 ## %!assert (strcmp ({x}, x) == true);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
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diff changeset
585 ## %!assert (strcmp ('', {x}) == false);
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diff changeset
586 ## %!assert (strcmp (x, {''}) == false);
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diff changeset
587 ## %!assert (strcmp (x, {x}) == true);
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
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diff changeset
588 ## %!assert (all (strcmp ({x; x}, '') == [false; false]));
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
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589 ## %!assert (all (strcmp ({x; x}, {''}) == [false; false]));
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590 ## %!assert (all (strcmp ('', {x; x}) == [false; false]));
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591 ## %!assert (all (strcmp ({''}, {x; x}) == [false; false]));
5862
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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592 %!assert (strcmp ({'foo'}, x) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
593 %!assert (strcmp ({'foo'}, 'foo') == true);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
594 %!assert (strcmp ({'foo'}, x) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
595 %!assert (strcmp (x, {'foo'}) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
596 %!assert (strcmp ('foo', {'foo'}) == true);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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parents: 5823
diff changeset
597 %!assert (strcmp (x, {'foo'}) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
598 %!shared y
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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599 %! y = char (zeros (2, 0));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
600 %!assert (strcmp ('', y) == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
601 %!assert (strcmp (y, '') == false);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
602 %!assert (strcmp (y, y) == true);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
603 %!assert (all (strcmp ({''}, y) == [true; true]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
604 %!assert (strcmp ({y}, '') == true);
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
605 %!assert (all (strcmp ({y}, y) == [true; true]));
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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parents: 5823
diff changeset
606 %!assert (all (strcmp ('', {y}) == [true; true]));
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diff changeset
607 %!assert (all (strcmp (y, {''}) == [true; true]));
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diff changeset
608 %!assert (all (strcmp (y, {y}) == [true; true]));
5911
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609 ## %!assert (all (strcmp ({y; y}, '') == [false; false]));
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diff changeset
610 ## %!assert (all (strcmp ({y; y}, {''}) == [false; false]));
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
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diff changeset
611 ## %!assert (all (strcmp ('', {y; y}) == [false; false]));
a65b51ed388c [project @ 2006-07-28 16:31:00 by jwe]
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diff changeset
612 ## %!assert (all (strcmp ({''}, {y; y}) == [false; false]));
5862
2b35a7fe9302 [project @ 2006-06-20 04:31:56 by jwe]
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diff changeset
613 %!assert (all (strcmp ({'foo'}, y) == [false; false]));
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diff changeset
614 %!assert (all (strcmp ({'foo'}, y) == [false; false]));
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diff changeset
615 %!assert (all (strcmp (y, {'foo'}) == [false; false]));
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diff changeset
616 %!assert (all (strcmp (y, {'foo'}) == [false; false]));
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diff changeset
617 */
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diff changeset
618
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parents: 9307
diff changeset
619 // Apparently, Matlab ignores the dims with strncmp. It also
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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diff changeset
620 static bool
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diff changeset
621 strncmp_array_op (const charNDArray& s1, const charNDArray& s2, octave_idx_type n)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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diff changeset
622 {
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parents: 9307
diff changeset
623 octave_idx_type l1 = s1.numel (), l2 = s2.numel ();
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parents: 9307
diff changeset
624 return (n > 0 && n <= l1 && n <= l2
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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parents: 9307
diff changeset
625 && std::equal (s1.data (), s1.data () + n, s2.data ()));
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diff changeset
626 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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diff changeset
627
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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parents: 9307
diff changeset
628 // 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
629 // would mean a copy, at least in GCC), nor use string::compare (which is a
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parents: 9307
diff changeset
630 // 3-way compare).
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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diff changeset
631 static bool
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diff changeset
632 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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diff changeset
633 {
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parents: 9307
diff changeset
634 octave_idx_type l1 = s1.length (), l2 = s2.length ();
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parents: 9307
diff changeset
635 return (n > 0 && n <= l1 && n <= l2
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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parents: 9307
diff changeset
636 && std::equal (s1.data (), s1.data () + n, s2.data ()));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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diff changeset
637 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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diff changeset
638
6250
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diff changeset
639 DEFUN (strncmp, args, ,
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
640 "-*- texinfo -*-\n\
6678
49724abe1236 [project @ 2007-05-31 19:44:45 by jwe]
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diff changeset
641 @deftypefn {Built-in Function} {} strncmp (@var{s1}, @var{s2}, @var{n})\n\
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
642 Return 1 if the first @var{n} characters of strings @var{s1} and @var{s2} are the same,\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
643 and 0 otherwise.\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
644 \n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
645 @example\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
646 @group\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
647 strncmp (\"abce\", \"abcd\", 3)\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
648 @result{} 1\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
649 @end group\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
650 @end example\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
651 \n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
652 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]
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diff changeset
653 of the same size is returned, containing the values described above for\n\
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58604c45ca74 Cleanup of data types related documentation
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parents: 8920
diff changeset
654 every member of the cell array. The other argument may also be a cell\n\
6250
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diff changeset
655 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]
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parents: 5911
diff changeset
656 or character string.\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
657 \n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
658 @example\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
659 @group\n\
6256
83949ae13b2c [project @ 2007-01-30 18:45:59 by jwe]
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diff changeset
660 strncmp (\"abce\", @{\"abcd\", \"bca\", \"abc\"@}, 3)\n\
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
661 @result{} [1, 0, 1]\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
662 @end group\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
663 @end example\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
664 \n\
9064
7c02ec148a3c Check grammar on all .cc files
Rik <rdrider0-list@yahoo.com>
parents: 9036
diff changeset
665 @strong{Caution:} For compatibility with @sc{matlab}, Octave's strncmp\n\
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
666 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
667 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
668 @seealso{strncmpi, strcmp, strcmpi}\n\
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
669 @end deftypefn")
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
670 {
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
671 octave_value retval;
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
672
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
673 if (args.length () == 3)
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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parents: 5911
diff changeset
674 {
10108
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parents: 9307
diff changeset
675 octave_idx_type n = args(2).idx_type_value ();
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
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diff changeset
676
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diff changeset
677 if (! error_state)
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diff changeset
678 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
679 if (n > 0)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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diff changeset
680 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
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parents: 9307
diff changeset
681 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
682 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
683 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
684 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
685 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
686 }
6250
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
687 }
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
688 else
ff5e6cf72bda [project @ 2007-01-23 18:37:52 by jwe]
jwe
parents: 5911
diff changeset
689 print_usage ();
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 return 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
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
694 /*
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
695 %!error <Invalid call to strncmp.*> strncmp ();
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
696 %!error <Invalid call to strncmp.*> strncmp ("abc", "def");
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
697 %!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
698 %!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
699 %!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
700 %!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
701 %!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
702 %!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
703 %!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
704 */
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
705
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
706 // case-insensitive character equality functor
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
707 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
708 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
709 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
710 { 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
711 };
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
712
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
713 // strcmpi is equivalent to strcmp in that it checks all dims.
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
714 static bool
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
715 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
716 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
717 return (s1.dims () == s2.dims ()
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
718 && 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
719 icmp_char_eq ()));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
720 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
721
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
722 // Ditto for string.
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
723 static bool
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
724 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
725 octave_idx_type)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
726 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
727 return (s1.size () == s2.size ()
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
728 && 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
729 icmp_char_eq ()));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
730 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
731
10316
9966f1f71c32 use DEFUNX instead of DEFUN for strcmpi and strncmpi
John W. Eaton <jwe@octave.org>
parents: 10315
diff changeset
732 DEFUNX ("strcmpi", Fstrcmpi, args, ,
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
733 "-*- texinfo -*-\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
734 @deftypefn {Built-in Function} {} strcmpi (@var{s1}, @var{s2})\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
735 Returns 1 if the character strings @var{s1} and @var{s2} are the same,\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
736 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
737 \n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
738 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
739 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
740 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
741 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
742 or character string.\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
743 \n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
744 @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
745 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
746 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
747 \n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
748 @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
749 @seealso{strcmp, strncmp, strncmpi}\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
750 @end deftypefn")
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
751 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
752 octave_value retval;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
753
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
754 if (args.length () == 2)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
755 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
756 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
757 "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
758 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
759 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
760 print_usage ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
761
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
762 return retval;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
763 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
764
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
765 /*
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
766 %!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
767 */
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
768
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
769 // Like strncmp.
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
770 static bool
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
771 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
772 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
773 octave_idx_type l1 = s1.numel (), l2 = s2.numel ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
774 return (n > 0 && n <= l1 && n <= l2
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
775 && 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
776 icmp_char_eq ()));
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
777 }
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 // Ditto.
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
780 static bool
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
781 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
782 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
783 octave_idx_type l1 = s1.length (), l2 = s2.length ();
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
784 return (n > 0 && n <= l1 && n <= l2
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
785 && 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
786 icmp_char_eq ()));
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
10316
9966f1f71c32 use DEFUNX instead of DEFUN for strcmpi and strncmpi
John W. Eaton <jwe@octave.org>
parents: 10315
diff changeset
789 DEFUN (strncmpi, Fstrncmpi, args, ,
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
790 "-*- texinfo -*-\n\
10234
c4c2bda71f82 fix typo in strncmpi docstring
Jaroslav Hajek <highegg@gmail.com>
parents: 10160
diff changeset
791 @deftypefn {Built-in Function} {} strncmpi (@var{s1}, @var{s2}, @var{n})\n\
10108
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
792 Returns 1 if the first @var{n} character of @var{s1} and @var{s2} are the same,\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
793 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
794 \n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
795 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
796 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
797 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
798 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
799 or character string.\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
800 \n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
801 @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
802 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
803 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
804 \n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
805 @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
806 @seealso{strncmp, strcmp, strcmpi}\n\
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
807 @end deftypefn")
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
808 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
809 octave_value retval;
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
810
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
811 if (args.length () == 3)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
812 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
813 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
814
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
815 if (! error_state)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
816 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
817 if (n > 0)
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
818 {
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
819 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
820 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
821 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
822 else
10316
9966f1f71c32 use DEFUNX instead of DEFUN for strcmpi and strncmpi
John W. Eaton <jwe@octave.org>
parents: 10315
diff changeset
823 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
824 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
825 }
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
826 else
06e11df4592d implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents: 9307
diff changeset
827 print_usage ();
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 return 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
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 %!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
834 */
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
835
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
836 DEFUN (list_in_columns, args, ,
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
837 "-*- texinfo -*-\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
838 @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
839 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
840 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
841 @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
842 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
843 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
844 For example:\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
845 \n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
846 @example\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
847 @group\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
848 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
849 @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
850 def qrs\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
851 ghijkl tuv\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
852 \n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
853 whos ans\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
854 @result{}\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
855 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
856 \n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
857 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
858 ==== ==== ==== ===== =====\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
859 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
860 \n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
861 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
862 @end group\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
863 @end example\n\
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
864 \n\
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
865 @seealso{terminal_size}\n\
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
866 @end deftypefn")
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
867 {
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
868 octave_value retval;
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
869
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
870 int nargin = args.length ();
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
871
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
872 if (nargin == 1 || nargin == 2)
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
873 {
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
874 string_vector s = args(0).all_strings ();
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
875
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
876 if (! error_state)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
877 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
878 std::ostringstream buf;
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
879
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
880 if (nargin == 1)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
881 // Let list_in_columns query terminal width.
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
882 s.list_in_columns (buf);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
883 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
884 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
885 int width = args(1).int_value ();
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
886
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
887 if (! error_state)
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
888 s.list_in_columns (buf, width);
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
889 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
890 error ("list_in_columns: expecting width to be an integer");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
891 }
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
892
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
893 retval = buf.str ();
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
894 }
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
895 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10234
diff changeset
896 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
897 }
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
898 else
5823
080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe]
jwe
parents: 5765
diff changeset
899 print_usage ();
5690
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
900
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
901 return retval;
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
902 }
161ebd1f3410 [project @ 2006-03-17 06:17:24 by jwe]
jwe
parents: 5674
diff changeset
903
807
c03b179482fc [project @ 1994-10-14 14:21:58 by jwe]
jwe
parents:
diff changeset
904 /*
8461
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
905 %!error <Invalid call to list_in_columns.*> list_in_columns ();
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
906 %!error <Invalid call to list_in_columns.*> list_in_columns (["abc", "def"], 20, 2);
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
907 %!error <invalid conversion from string to real scalar.*> list_in_columns (["abc", "def"], "a");
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
908 %!test
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
909 %! 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
910 %! 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
911 %! 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
912 %!test
9d456730b7a8 strfns.cc: improve documentation strings, add examples and tests
Thorsten Meyer <thorsten.meyier@gmx.de>
parents: 8372
diff changeset
913 %! 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
914 %! 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
915 %! 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
916 */