Mercurial > octave
annotate libinterp/corefcn/strfns.cc @ 24439:09c81c841b6f stable
Fix typo in cset 8354b505ad6b (bug #52702).
* strfns.cc (Fchar): Remove one more space from example code in docstring.
author | Rik <rik@octave.org> |
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date | Thu, 21 Dec 2017 03:02:58 -0800 |
parents | 8354b505ad6b |
children | 9fbb5de78ec7 |
rev | line source |
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807 | 1 /* |
2 | |
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3 Copyright (C) 1994-2017 John W. Eaton |
807 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
807 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
807 | 20 |
21 */ | |
22 | |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include "config.h" |
807 | 25 #endif |
26 | |
1355 | 27 #include <cctype> |
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28 |
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29 #include <queue> |
5765 | 30 #include <sstream> |
807 | 31 |
32 #include "dMatrix.h" | |
33 | |
5416 | 34 #include "Cell.h" |
1355 | 35 #include "defun.h" |
807 | 36 #include "error.h" |
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37 #include "errwarn.h" |
2366 | 38 #include "ov.h" |
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39 #include "ovl.h" |
4457 | 40 #include "unwind-prot.h" |
807 | 41 #include "utils.h" |
42 | |
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43 #include "oct-string.h" |
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44 |
4358 | 45 DEFUN (char, args, , |
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46 doc: /* -*- texinfo -*- |
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47 @deftypefn {} {} char (@var{x}) |
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48 @deftypefnx {} {} char (@var{x}, @dots{}) |
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49 @deftypefnx {} {} char (@var{s1}, @var{s2}, @dots{}) |
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50 @deftypefnx {} {} char (@var{cell_array}) |
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51 Create a string array from one or more numeric matrices, character |
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52 matrices, or cell arrays. |
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53 |
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54 Arguments are concatenated vertically. The returned values are padded with |
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55 blanks as needed to make each row of the string array have the same length. |
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56 Empty input strings are significant and will concatenated in the output. |
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57 |
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58 For numerical input, each element is converted to the corresponding ASCII |
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59 character. A range error results if an input is outside the ASCII range |
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60 (0-255). |
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61 |
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62 For cell arrays, each element is concatenated separately. Cell arrays |
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63 converted through @code{char} can mostly be converted back with |
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64 @code{cellstr}. For example: |
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65 |
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66 @example |
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67 @group |
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68 char ([97, 98, 99], "", @{"98", "99", 100@}, "str1", ["ha", "lf"]) |
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69 @result{} ["abc " |
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70 " " |
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71 "98 " |
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72 "99 " |
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73 "d " |
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74 "str1" |
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75 "half"] |
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76 @end group |
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77 @end example |
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78 @seealso{strvcat, cellstr} |
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79 @end deftypefn */) |
4358 | 80 { |
81 octave_value retval; | |
82 | |
83 int nargin = args.length (); | |
84 | |
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85 if (nargin == 0) |
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86 retval = ""; |
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87 else if (nargin == 1) |
5281 | 88 retval = args(0).convert_to_str (true, true, |
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89 args(0).is_dq_string () ? '"' : '\''); |
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90 else |
4358 | 91 { |
92 int n_elts = 0; | |
93 | |
94 int max_len = 0; | |
95 | |
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96 std::queue<string_vector> args_as_strings; |
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97 |
4358 | 98 for (int i = 0; i < nargin; i++) |
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99 { |
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100 string_vector s = args(i).xstring_vector_value ("char: unable to convert some args to strings"); |
4358 | 101 |
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102 if (s.numel () > 0) |
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103 n_elts += s.numel (); |
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104 else |
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105 n_elts += 1; |
4358 | 106 |
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107 int s_max_len = s.max_length (); |
4358 | 108 |
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109 if (s_max_len > max_len) |
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110 max_len = s_max_len; |
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111 |
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112 args_as_strings.push (s); |
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113 } |
4358 | 114 |
115 string_vector result (n_elts); | |
116 | |
117 int k = 0; | |
118 | |
119 for (int i = 0; i < nargin; i++) | |
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120 { |
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121 string_vector s = args_as_strings.front (); |
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122 args_as_strings.pop (); |
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124 int n = s.numel (); |
4358 | 125 |
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126 if (n > 0) |
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127 { |
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128 for (int j = 0; j < n; j++) |
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129 { |
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130 std::string t = s[j]; |
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131 int t_len = t.length (); |
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133 if (max_len > t_len) |
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134 t += std::string (max_len - t_len, ' '); |
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136 result[k++] = t; |
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137 } |
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138 } |
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139 else |
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140 result[k++] = std::string (max_len, ' '); |
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141 } |
4358 | 142 |
5280 | 143 retval = octave_value (result, '\''); |
4358 | 144 } |
145 | |
146 return retval; | |
147 } | |
148 | |
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149 /* |
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150 %!assert (char (), '') |
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151 %!assert (char (100), "d") |
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152 %!assert (char (100,100), ["d";"d"]) |
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153 %!assert (char ({100,100}), ["d";"d"]) |
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154 %!assert (char ([100,100]), ["dd"]) |
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155 %!assert (char ({100,{100}}), ["d";"d"]) |
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156 %!assert (char (100, [], 100), ["d";" ";"d"]) |
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157 %!assert (char ({100, [], 100}), ["d";" ";"d"]) |
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158 %!assert (char ({100,{100, {""}}}), ["d";"d";" "]) |
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159 %!assert (char (["a";"be"], {"c", 100}), ["a";"be";"c";"d"]) |
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160 %!assert (char ("a", "bb", "ccc"), ["a "; "bb "; "ccc"]) |
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161 %!assert (char ([65, 83, 67, 73, 73]), "ASCII") |
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162 |
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163 %!test |
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164 %! x = char ("foo", "bar", "foobar"); |
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165 %! assert (x(1,:), "foo "); |
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166 %! assert (x(2,:), "bar "); |
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167 %! assert (x(3,:), "foobar"); |
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168 */ |
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169 |
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170 DEFUN (strvcat, args, , |
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171 doc: /* -*- texinfo -*- |
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172 @deftypefn {} {} strvcat (@var{x}) |
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173 @deftypefnx {} {} strvcat (@var{x}, @dots{}) |
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174 @deftypefnx {} {} strvcat (@var{s1}, @var{s2}, @dots{}) |
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175 @deftypefnx {} {} strvcat (@var{cell_array}) |
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176 Create a character array from one or more numeric matrices, character |
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177 matrices, or cell arrays. |
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178 |
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179 Arguments are concatenated vertically. The returned values are padded with |
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180 blanks as needed to make each row of the string array have the same length. |
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181 Unlike @code{char}, empty strings are removed and will not appear in the |
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182 output. |
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183 |
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184 For numerical input, each element is converted to the corresponding ASCII |
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185 character. A range error results if an input is outside the ASCII range |
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186 (0-255). |
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187 |
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188 For cell arrays, each element is concatenated separately. Cell arrays |
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189 converted through @code{strvcat} can mostly be converted back with |
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190 @code{cellstr}. For example: |
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191 |
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192 @example |
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193 @group |
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194 strvcat ([97, 98, 99], "", @{"98", "99", 100@}, "str1", ["ha", "lf"]) |
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195 @result{} ["abc " |
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196 "98 " |
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197 "99 " |
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198 "d " |
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199 "str1" |
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200 "half"] |
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201 @end group |
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202 @end example |
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203 @seealso{char, strcat, cstrcat} |
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204 @end deftypefn */) |
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205 { |
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206 int nargin = args.length (); |
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207 int n_elts = 0; |
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208 size_t max_len = 0; |
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209 std::queue<string_vector> args_as_strings; |
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210 |
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211 for (int i = 0; i < nargin; i++) |
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212 { |
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213 string_vector s = args(i).xstring_vector_value ("strvcat: unable to convert some args to strings"); |
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214 |
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215 size_t n = s.numel (); |
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216 |
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217 // do not count empty strings in calculation of number of elements |
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218 if (n > 0) |
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219 { |
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220 for (size_t j = 0; j < n; j++) |
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221 { |
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222 if (s[j].length () > 0) |
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223 n_elts++; |
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224 } |
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225 } |
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226 |
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227 size_t s_max_len = s.max_length (); |
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228 |
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229 if (s_max_len > max_len) |
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230 max_len = s_max_len; |
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231 |
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232 args_as_strings.push (s); |
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233 } |
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234 |
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235 string_vector result (n_elts); |
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236 |
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237 octave_idx_type k = 0; |
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238 |
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239 for (int i = 0; i < nargin; i++) |
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240 { |
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241 string_vector s = args_as_strings.front (); |
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242 args_as_strings.pop (); |
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243 |
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244 size_t n = s.numel (); |
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245 |
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246 if (n > 0) |
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247 { |
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248 for (size_t j = 0; j < n; j++) |
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249 { |
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250 std::string t = s[j]; |
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251 if (t.length () > 0) |
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252 { |
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253 size_t t_len = t.length (); |
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254 |
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255 if (max_len > t_len) |
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256 t += std::string (max_len - t_len, ' '); |
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257 |
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258 result[k++] = t; |
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259 } |
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260 } |
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261 } |
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262 } |
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263 |
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264 // Cannot use ovl. Relies on overloaded octave_value call. |
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265 return octave_value (result, '\''); |
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266 } |
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267 |
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268 /* |
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269 %!assert (strvcat (""), "") |
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270 %!assert (strvcat (100) == "d") |
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271 %!assert (strvcat (100,100), ["d";"d"]) |
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272 %!assert (strvcat ({100,100}), ["d";"d"]) |
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273 %!assert (strvcat ([100,100]), ["dd"]) |
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274 %!assert (strvcat ({100,{100}}), ["d";"d"]) |
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275 %!assert (strvcat (100, [], 100), ["d";"d"]) |
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276 %!assert (strvcat ({100, [], 100}), ["d";"d"]) |
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277 %!assert (strvcat ({100,{100, {""}}}), ["d";"d"]) |
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278 %!assert (strvcat (["a";"be"], {"c", 100}), ["a";"be";"c";"d"]) |
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279 %!assert (strvcat ("a", "bb", "ccc"), ["a "; "bb "; "ccc"]) |
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280 %!assert (strvcat (), "") |
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281 */ |
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282 |
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284 doc: /* -*- texinfo -*- |
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285 @deftypefn {} {} ischar (@var{x}) |
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286 Return true if @var{x} is a character array. |
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287 @seealso{isfloat, isinteger, islogical, isnumeric, iscellstr, isa} |
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288 @end deftypefn */) |
807 | 289 { |
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290 if (args.length () != 1) |
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293 return ovl (args(0).is_string ()); |
807 | 294 } |
295 | |
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296 /* |
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297 %!assert (ischar ("a"), true) |
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298 %!assert (ischar (["ab";"cd"]), true) |
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299 %!assert (ischar ({"ab"}), false) |
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300 %!assert (ischar (1), false) |
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301 %!assert (ischar ([1, 2]), false) |
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302 %!assert (ischar ([]), false) |
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303 %!assert (ischar ([1, 2; 3, 4]), false) |
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304 %!assert (ischar (""), true) |
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305 %!assert (ischar ("test"), true) |
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306 %!assert (ischar (["test"; "ing"]), true) |
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307 %!assert (ischar (struct ("foo", "bar")), false) |
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308 |
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309 %!error ischar () |
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310 %!error ischar ("test", 1) |
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311 */ |
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312 |
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313 static octave_value |
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314 do_strcmp_fun (const octave_value& arg0, const octave_value& arg1, |
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315 octave_idx_type n, const char *fcn_name, |
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316 bool (*array_op) (const Array<char>&, const Array<char>&, |
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317 octave_idx_type), |
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318 bool (*str_op) (const std::string&, const std::string&, |
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319 std::string::size_type)) |
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320 |
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321 { |
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322 octave_value retval; |
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323 |
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324 bool s1_string = arg0.is_string (); |
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325 bool s1_cell = arg0.is_cell (); |
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326 bool s2_string = arg1.is_string (); |
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327 bool s2_cell = arg1.is_cell (); |
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328 |
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329 if (s1_string && s2_string) |
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330 retval = array_op (arg0.char_array_value (), arg1.char_array_value (), n); |
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331 else if ((s1_string && s2_cell) || (s1_cell && s2_string)) |
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332 { |
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333 octave_value str_val, cell_val; |
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334 |
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335 if (s1_string) |
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336 { |
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337 str_val = arg0; |
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338 cell_val = arg1; |
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339 } |
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340 else |
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341 { |
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342 str_val = arg1; |
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343 cell_val = arg0; |
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344 } |
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345 |
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346 const Cell cell = cell_val.cell_value (); |
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347 const string_vector str = str_val.string_vector_value (); |
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348 octave_idx_type r = str.numel (); |
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349 |
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350 if (r == 0 || r == 1) |
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351 { |
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352 // Broadcast the string. |
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353 |
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354 boolNDArray output (cell_val.dims (), false); |
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355 |
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356 std::string s = r == 0 ? "" : str[0]; |
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357 |
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358 if (cell_val.is_cellstr ()) |
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359 { |
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360 const Array<std::string> cellstr = cell_val.cellstr_value (); |
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361 for (octave_idx_type i = 0; i < cellstr.numel (); i++) |
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362 output(i) = str_op (cellstr(i), s, n); |
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363 } |
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364 else |
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365 { |
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366 // FIXME: should we warn here? |
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367 for (octave_idx_type i = 0; i < cell.numel (); i++) |
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368 { |
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369 if (cell(i).is_string ()) |
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370 output(i) = str_op (cell(i).string_value (), s, n); |
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371 } |
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372 } |
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373 |
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374 retval = output; |
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375 } |
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376 else if (r > 1) |
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377 { |
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378 if (cell.numel () == 1) |
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379 { |
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380 // Broadcast the cell. |
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381 |
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382 const dim_vector dv (r, 1); |
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383 boolNDArray output (dv, false); |
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384 |
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385 if (cell(0).is_string ()) |
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386 { |
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387 const std::string str2 = cell(0).string_value (); |
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388 |
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389 for (octave_idx_type i = 0; i < r; i++) |
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390 output(i) = str_op (str[i], str2, n); |
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391 } |
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392 |
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393 retval = output; |
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394 } |
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395 else |
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396 { |
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|
397 // Must match in all dimensions. |
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diff
changeset
|
398 |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
399 boolNDArray output (cell.dims (), false); |
06e11df4592d
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changeset
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400 |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20193
diff
changeset
|
401 if (cell.numel () == r) |
10108
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implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
402 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
403 if (cell_val.is_cellstr ()) |
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404 { |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents:
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diff
changeset
|
405 const Array<std::string> cellstr |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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diff
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|
406 = cell_val.cellstr_value (); |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20193
diff
changeset
|
407 for (octave_idx_type i = 0; i < cellstr.numel (); i++) |
10108
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implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
408 output(i) = str_op (str[i], cellstr(i), n); |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
409 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
410 else |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
411 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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parents:
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diff
changeset
|
412 // FIXME: should we warn here? |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
413 for (octave_idx_type i = 0; i < r; i++) |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
414 { |
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implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
415 if (cell(i).is_string ()) |
17787
175b392e91fe
Use GNU style coding conventions for code in libinterp/
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17744
diff
changeset
|
416 output(i) = str_op (str[i], |
175b392e91fe
Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
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diff
changeset
|
417 cell(i).string_value (), n); |
10108
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|
418 } |
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419 } |
06e11df4592d
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diff
changeset
|
420 |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
421 retval = output; |
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implement built-in strcmpi/strncmpi, reduce some code duplication
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|
422 } |
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implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
423 else |
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diff
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424 retval = false; |
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implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
425 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
426 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
427 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
428 else if (s1_cell && s2_cell) |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
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|
429 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
430 octave_value cell1_val, cell2_val; |
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implement built-in strcmpi/strncmpi, reduce some code duplication
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|
431 octave_idx_type r1 = arg0.numel (), r2; |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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|
432 |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
433 if (r1 == 1) |
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implement built-in strcmpi/strncmpi, reduce some code duplication
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434 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
435 // Make the singleton cell2. |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
436 |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
437 cell1_val = arg1; |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
438 cell2_val = arg0; |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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|
439 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
440 else |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
441 { |
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implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
442 cell1_val = arg0; |
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implement built-in strcmpi/strncmpi, reduce some code duplication
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|
443 cell2_val = arg1; |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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|
444 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
445 |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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|
446 const Cell cell1 = cell1_val.cell_value (); |
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implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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447 const Cell cell2 = cell2_val.cell_value (); |
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|
448 r1 = cell1.numel (); |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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|
449 r2 = cell2.numel (); |
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implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
450 |
06e11df4592d
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diff
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|
451 const dim_vector size1 = cell1.dims (); |
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diff
changeset
|
452 const dim_vector size2 = cell2.dims (); |
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implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
453 |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
454 boolNDArray output (size1, false); |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
455 |
06e11df4592d
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diff
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|
456 if (r2 == 1) |
06e11df4592d
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diff
changeset
|
457 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
458 // Broadcast cell2. |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
459 |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
460 if (cell2(0).is_string ()) |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
461 { |
06e11df4592d
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diff
changeset
|
462 const std::string str2 = cell2(0).string_value (); |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
463 |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
464 if (cell1_val.is_cellstr ()) |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
465 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
466 const Array<std::string> cellstr = cell1_val.cellstr_value (); |
20232
a9574e3c6e9e
Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents:
20193
diff
changeset
|
467 for (octave_idx_type i = 0; i < cellstr.numel (); i++) |
10108
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
468 output(i) = str_op (cellstr(i), str2, n); |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
469 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
470 else |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
471 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
472 // FIXME: should we warn here? |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
473 for (octave_idx_type i = 0; i < r1; i++) |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
474 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
475 if (cell1(i).is_string ()) |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
476 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
477 const std::string str1 = cell1(i).string_value (); |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
478 output(i) = str_op (str1, str2, n); |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
479 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
480 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
481 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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parents:
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diff
changeset
|
482 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
483 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
484 else |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
changeset
|
485 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
486 if (size1 != size2) |
20831
35241c4b696c
eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents:
20804
diff
changeset
|
487 error ("%s: nonconformant cell arrays", fcn_name); |
10108
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
488 |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
489 if (cell1.is_cellstr () && cell2.is_cellstr ()) |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
490 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
491 const Array<std::string> cellstr1 = cell1_val.cellstr_value (); |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
492 const Array<std::string> cellstr2 = cell2_val.cellstr_value (); |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
493 for (octave_idx_type i = 0; i < r1; i++) |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
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|
494 output (i) = str_op (cellstr1(i), cellstr2(i), n); |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
495 } |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
496 else |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
497 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
498 // FIXME: should we warn here? |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
499 for (octave_idx_type i = 0; i < r1; i++) |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
500 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
501 if (cell1(i).is_string () && cell2(i).is_string ()) |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
502 { |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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diff
changeset
|
503 const std::string str1 = cell1(i).string_value (); |
06e11df4592d
implement built-in strcmpi/strncmpi, reduce some code duplication
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|
504 const std::string str2 = cell2(i).string_value (); |
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505 output(i) = str_op (str1, str2, n); |
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506 } |
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507 } |
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508 } |
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509 } |
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510 |
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511 retval = output; |
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512 } |
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513 else |
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514 retval = false; |
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515 |
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516 return retval; |
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517 } |
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518 |
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519 |
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520 // These are required so that they match the same signature as strncmp |
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521 // and strncmpi and can therefore be used in do_strcmp_fun. |
10108
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522 |
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523 template <typename T, typename T_size_type> |
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524 static bool |
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525 strcmp_ignore_n (const T& s1, const T& s2, T_size_type) |
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526 { return octave::string::strcmp (s1, s2); } |
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527 |
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528 template <typename T, typename T_size_type> |
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529 static bool |
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530 strcmpi_ignore_n (const T& s1, const T& s2, T_size_type) |
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531 { return octave::string::strcmpi (s1, s2); } |
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532 |
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533 |
5415 | 534 DEFUN (strcmp, args, , |
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535 doc: /* -*- texinfo -*- |
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536 @deftypefn {} {} strcmp (@var{s1}, @var{s2}) |
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537 Return 1 if the character strings @var{s1} and @var{s2} are the same, |
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538 and 0 otherwise. |
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539 |
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540 If either @var{s1} or @var{s2} is a cell array of strings, then an array |
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541 of the same size is returned, containing the values described above for |
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542 every member of the cell array. The other argument may also be a cell |
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543 array of strings (of the same size or with only one element), char matrix |
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544 or character string. |
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545 |
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546 @strong{Caution:} For compatibility with @sc{matlab}, Octave's strcmp |
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547 function returns 1 if the character strings are equal, and 0 otherwise. |
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548 This is just the opposite of the corresponding C library function. |
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549 @seealso{strcmpi, strncmp, strncmpi} |
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550 @end deftypefn */) |
5415 | 551 { |
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552 if (args.length () != 2) |
5823 | 553 print_usage (); |
5415 | 554 |
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555 return ovl (do_strcmp_fun (args(0), args(1), 0, "strcmp", |
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556 strcmp_ignore_n, strcmp_ignore_n)); |
5415 | 557 } |
558 | |
5862 | 559 /* |
560 %!shared x | |
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561 %! x = char (zeros (0, 2)); |
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562 %!assert (strcmp ("", x), false) |
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563 %!assert (strcmp (x, ""), false) |
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564 %!assert (strcmp (x, x), true) |
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565 ## %!assert (strcmp ({""}, x), true) |
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566 ## %!assert (strcmp ({x}, ""), false) |
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567 ## %!assert (strcmp ({x}, x), true) |
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568 ## %!assert (strcmp ("", {x}), false) |
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569 ## %!assert (strcmp (x, {""}), false) |
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570 ## %!assert (strcmp (x, {x}), true) |
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571 ## %!assert (strcmp ({x; x}, ""), [false; false]) |
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572 ## %!assert (strcmp ({x; x}, {""}), [false; false]) |
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573 ## %!assert (strcmp ("", {x; x}), [false; false]) |
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574 ## %!assert (strcmp ({""}, {x; x}), [false; false]) |
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575 %!assert (strcmp ({"foo"}, x), false) |
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576 %!assert (strcmp ({"foo"}, "foo"), true) |
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577 %!assert (strcmp ({"foo"}, x), false) |
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578 %!assert (strcmp (x, {"foo"}), false) |
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579 %!assert (strcmp ("foo", {"foo"}), true) |
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580 %!assert (strcmp (x, {"foo"}), false) |
5862 | 581 %!shared y |
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582 %! y = char (zeros (2, 0)); |
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583 %!assert (strcmp ("", y), false) |
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584 %!assert (strcmp (y, ""), false) |
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585 %!assert (strcmp (y, y), true) |
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586 %!assert (strcmp ({""}, y), [true; true]) |
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587 %!assert (strcmp ({y}, ""), true) |
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588 %!assert (strcmp ({y}, y), [true; true]) |
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589 %!assert (strcmp ("", {y}), true) |
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590 %!assert (strcmp (y, {""}), [true; true]) |
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591 %!assert (strcmp (y, {y}), [true; true]) |
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592 %!assert (strcmp ({y; y}, ""), [true; true]) |
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593 %!assert (strcmp ({y; y}, {""}), [true; true]) |
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594 %!assert (strcmp ("", {y; y}), [true; true]) |
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595 %!assert (strcmp ({""}, {y; y}), [true; true]) |
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596 %!assert (strcmp ({"foo"}, y), [false; false]) |
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597 %!assert (strcmp ({"foo"}, y), [false; false]) |
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598 %!assert (strcmp (y, {"foo"}), [false; false]) |
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599 %!assert (strcmp (y, {"foo"}), [false; false]) |
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600 %!assert (strcmp ("foobar", "foobar"), true) |
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601 %!assert (strcmp ("foobar", "fooBar"), false) |
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602 %!assert (strcmp ("fooba", "foobar"), false) |
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603 |
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604 %!error strcmp () |
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605 %!error strcmp ("foo", "bar", 3) |
5862 | 606 */ |
607 | |
6250 | 608 DEFUN (strncmp, args, , |
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609 doc: /* -*- texinfo -*- |
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610 @deftypefn {} {} strncmp (@var{s1}, @var{s2}, @var{n}) |
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611 Return 1 if the first @var{n} characters of strings @var{s1} and @var{s2} |
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612 are the same, and 0 otherwise. |
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613 |
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614 @example |
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615 @group |
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616 strncmp ("abce", "abcd", 3) |
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617 @result{} 1 |
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618 @end group |
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619 @end example |
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620 |
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621 If either @var{s1} or @var{s2} is a cell array of strings, then an array |
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622 of the same size is returned, containing the values described above for |
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623 every member of the cell array. The other argument may also be a cell |
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624 array of strings (of the same size or with only one element), char matrix |
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625 or character string. |
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626 |
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627 @example |
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628 @group |
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629 strncmp ("abce", @{"abcd", "bca", "abc"@}, 3) |
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630 @result{} [1, 0, 1] |
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631 @end group |
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632 @end example |
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633 |
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634 @strong{Caution:} For compatibility with @sc{matlab}, Octave's strncmp |
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635 function returns 1 if the character strings are equal, and 0 otherwise. |
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636 This is just the opposite of the corresponding C library function. |
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637 @seealso{strncmpi, strcmp, strcmpi} |
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638 @end deftypefn */) |
6250 | 639 { |
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640 if (args.length () != 3) |
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641 print_usage (); |
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642 |
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643 octave_idx_type n = args(2).idx_type_value (); |
6250 | 644 |
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645 if (n > 0) |
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646 return ovl (do_strcmp_fun (args(0), args(1), n, "strncmp", |
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647 octave::string::strncmp, |
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648 octave::string::strncmp)); |
6250 | 649 else |
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650 error ("strncmp: N must be greater than 0"); |
6250 | 651 } |
652 | |
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653 /* |
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654 %!assert (strncmp ("abce", "abc", 3), true) |
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655 %!assert (strncmp ("abce", "aBc", 3), false) |
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656 %!assert (strncmp (100, 100, 1), false) |
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657 %!assert (strncmp ("abce", {"abcd", "bca", "abc"}, 3), logical ([1, 0, 1])) |
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658 %!assert (strncmp ("abc", {"abcd", "bca", "abc"}, 4), logical ([0, 0, 0])) |
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659 %!assert (strncmp ({"abcd", "bca", "abc"},"abce", 3), logical ([1, 0, 1])) |
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660 %!assert (strncmp ({"abcd", "bca", "abc"},{"abcd", "bca", "abe"}, 3), logical ([1, 1, 0])) |
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661 %!assert (strncmp ("abc", {"abcd", 10}, 2), logical ([1, 0])) |
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662 |
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663 %!error strncmp () |
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664 %!error strncmp ("abc", "def") |
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665 */ |
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666 |
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667 DEFUNX ("strcmpi", Fstrcmpi, args, , |
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668 doc: /* -*- texinfo -*- |
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669 @deftypefn {} {} strcmpi (@var{s1}, @var{s2}) |
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670 Return 1 if the character strings @var{s1} and @var{s2} are the same, |
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671 disregarding case of alphabetic characters, and 0 otherwise. |
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672 |
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673 If either @var{s1} or @var{s2} is a cell array of strings, then an array |
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674 of the same size is returned, containing the values described above for |
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675 every member of the cell array. The other argument may also be a cell |
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676 array of strings (of the same size or with only one element), char matrix |
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677 or character string. |
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678 |
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679 @strong{Caution:} For compatibility with @sc{matlab}, Octave's strcmp |
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680 function returns 1 if the character strings are equal, and 0 otherwise. |
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681 This is just the opposite of the corresponding C library function. |
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682 |
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683 @strong{Caution:} National alphabets are not supported. |
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684 @seealso{strcmp, strncmp, strncmpi} |
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685 @end deftypefn */) |
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686 { |
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687 if (args.length () != 2) |
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688 print_usage (); |
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689 |
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690 return ovl (do_strcmp_fun (args(0), args(1), 0, "strcmpi", |
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691 strcmpi_ignore_n, strcmpi_ignore_n)); |
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692 } |
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693 |
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694 /* |
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695 %!assert (strcmpi ("abc123", "ABC123"), true) |
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696 */ |
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697 |
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698 DEFUNX ("strncmpi", Fstrncmpi, args, , |
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699 doc: /* -*- texinfo -*- |
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700 @deftypefn {} {} strncmpi (@var{s1}, @var{s2}, @var{n}) |
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701 Return 1 if the first @var{n} character of @var{s1} and @var{s2} are the |
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702 same, disregarding case of alphabetic characters, and 0 otherwise. |
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703 |
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704 If either @var{s1} or @var{s2} is a cell array of strings, then an array |
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705 of the same size is returned, containing the values described above for |
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706 every member of the cell array. The other argument may also be a cell |
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707 array of strings (of the same size or with only one element), char matrix |
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708 or character string. |
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709 |
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710 @strong{Caution:} For compatibility with @sc{matlab}, Octave's strncmpi |
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711 function returns 1 if the character strings are equal, and 0 otherwise. |
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712 This is just the opposite of the corresponding C library function. |
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713 |
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714 @strong{Caution:} National alphabets are not supported. |
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715 @seealso{strncmp, strcmp, strcmpi} |
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716 @end deftypefn */) |
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717 { |
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718 if (args.length () != 3) |
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719 print_usage (); |
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720 |
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721 octave_idx_type n = args(2).idx_type_value (); |
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722 |
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723 if (n > 0) |
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724 return ovl (do_strcmp_fun (args(0), args(1), n, "strncmpi", |
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725 octave::string::strncmpi, |
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726 octave::string::strncmpi)); |
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727 else |
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728 error ("strncmpi: N must be greater than 0"); |
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729 } |
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730 |
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731 /* |
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732 %!assert (strncmpi ("abc123", "ABC456", 3), true) |
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733 */ |
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734 |
5690 | 735 DEFUN (list_in_columns, args, , |
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736 doc: /* -*- texinfo -*- |
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737 @deftypefn {} {} list_in_columns (@var{arg}, @var{width}, @var{prefix}) |
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738 Return a string containing the elements of @var{arg} listed in columns with |
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739 an overall maximum width of @var{width} and optional prefix @var{prefix}. |
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740 |
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741 The argument @var{arg} must be a cell array of character strings or a |
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742 character array. |
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743 |
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744 If @var{width} is not specified or is an empty matrix, or less than or equal |
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745 to zero, the width of the terminal screen is used. Newline characters are |
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746 used to break the lines in the output string. For example: |
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747 @c Set example in small font to prevent overfull line |
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748 |
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749 @smallexample |
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750 @group |
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751 list_in_columns (@{"abc", "def", "ghijkl", "mnop", "qrs", "tuv"@}, 20) |
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752 @result{} abc mnop |
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753 def qrs |
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754 ghijkl tuv |
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755 |
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756 whos ans |
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757 @result{} |
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758 Variables in the current scope: |
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759 |
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760 Attr Name Size Bytes Class |
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761 ==== ==== ==== ===== ===== |
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762 ans 1x37 37 char |
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763 |
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764 Total is 37 elements using 37 bytes |
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765 @end group |
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766 @end smallexample |
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767 |
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768 @seealso{terminal_size} |
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769 @end deftypefn */) |
5690 | 770 { |
771 int nargin = args.length (); | |
772 | |
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773 if (nargin < 1 || nargin > 3) |
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774 print_usage (); |
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775 |
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776 string_vector s = args(0).xstring_vector_value ("list_in_columns: ARG must be a cellstr or char array"); |
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777 |
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778 int width = -1; |
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779 |
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780 if (nargin > 1 && ! args(1).is_empty ()) |
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781 width = args(1).xint_value ("list_in_columns: WIDTH must be an integer"); |
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782 |
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783 std::string prefix; |
5690 | 784 |
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785 if (nargin > 2) |
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786 prefix = args(2).xstring_value ("list_in_columns: PREFIX must be a string"); |
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787 |
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788 std::ostringstream buf; |
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789 |
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790 s.list_in_columns (buf, width, prefix); |
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791 |
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792 return ovl (buf.str ()); |
5690 | 793 } |
794 | |
807 | 795 /* |
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796 %!test |
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797 %! input = {"abc", "def", "ghijkl", "mnop", "qrs", "tuv"}; |
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798 %! result = "abc mnop\ndef qrs\nghijkl tuv\n"; |
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799 %! assert (list_in_columns (input, 20), result); |
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800 %!test |
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801 %! input = ["abc"; "def"; "ghijkl"; "mnop"; "qrs"; "tuv"]; |
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802 %! result = "abc mnop \ndef qrs \nghijkl tuv \n"; |
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803 %! assert (list_in_columns (input, 20), result); |
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804 %!test |
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805 %! input = ["abc"; "def"; "ghijkl"; "mnop"; "qrs"; "tuv"]; |
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806 %! result = " abc mnop \n def qrs \n ghijkl tuv \n"; |
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807 %! assert (list_in_columns (input, 20, " "), result); |
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808 |
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809 %!error list_in_columns () |
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810 %!error list_in_columns (["abc", "def"], 20, 2) |
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811 %!error list_in_columns (["abc", "def"], 20, " ", 3) |
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812 %!error <list_in_columns: WIDTH must be an integer> list_in_columns (["abc", "def"], "a") |
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813 */ |