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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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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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1192
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25 #include <config.h> |
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807
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26 #endif |
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27 |
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28 #include <cctype> |
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29 #include <sstream> |
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30 |
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31 #include "dMatrix.h" |
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32 |
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33 #include "Cell.h" |
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34 #include "defun.h" |
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807
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35 #include "error.h" |
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36 #include "gripes.h" |
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2366
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37 #include "ov.h" |
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1355
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38 #include "oct-obj.h" |
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39 #include "unwind-prot.h" |
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807
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40 #include "utils.h" |
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41 |
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42 DEFUN (char, args, , |
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43 "-*- texinfo -*-\n\ |
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44 @deftypefn {Built-in Function} {} char (@var{x})\n\ |
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45 @deftypefnx {Built-in Function} {} char (@var{cell_array})\n\ |
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46 @deftypefnx {Built-in Function} {} char (@var{s1}, @var{s2}, @dots{})\n\ |
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47 Create a string array from a numeric matrix, cell array, or list of\n\ |
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48 \n\ |
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49 If the argument is a numeric matrix, each element of the matrix is\n\ |
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50 converted to the corresponding ASCII character. For example,\n\ |
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51 \n\ |
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52 @example\n\ |
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53 @group\n\ |
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54 char ([97, 98, 99])\n\ |
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55 @result{} \"abc\"\n\ |
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56 @end group\n\ |
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57 @end example\n\ |
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58 \n\ |
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59 If the argument is a cell array of strings, the result is a string array\n\ |
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60 with each element corresponding to one element of the cell array.\n\ |
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61 \n\ |
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62 For multiple string arguments, the result is a string array with each\n\ |
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63 element corresponding to the arguments.\n\ |
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64 \n\ |
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65 The returned values are padded with blanks as needed to make each row\n\ |
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66 of the string array have the same length.\n\ |
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67 @end deftypefn") |
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68 { |
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69 octave_value retval; |
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70 |
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71 int nargin = args.length (); |
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72 |
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73 if (nargin == 1) |
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74 retval = args(0).convert_to_str (true, true, |
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75 args(0).is_dq_string () ? '"' : '\''); |
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76 else if (nargin > 1) |
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77 { |
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78 int n_elts = 0; |
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79 |
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80 int max_len = 0; |
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81 |
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82 for (int i = 0; i < nargin; i++) |
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83 { |
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84 string_vector s = args(i).all_strings (); |
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85 |
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86 if (error_state) |
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87 { |
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88 error ("char: unable to convert some args to strings"); |
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89 return retval; |
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90 } |
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91 |
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92 n_elts += s.length (); |
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93 |
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94 int s_max_len = s.max_length (); |
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95 |
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96 if (s_max_len > max_len) |
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97 max_len = s_max_len; |
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98 } |
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99 |
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100 string_vector result (n_elts); |
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101 |
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102 int k = 0; |
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103 |
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104 for (int i = 0; i < nargin; i++) |
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105 { |
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5707
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106 string_vector s = args(i).all_strings (); |
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107 |
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108 int n = s.length (); |
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109 |
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110 for (int j = 0; j < n; j++) |
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111 { |
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112 std::string t = s[j]; |
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113 int t_len = t.length (); |
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114 |
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115 if (max_len > t_len) |
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116 t += std::string (max_len - t_len, ' '); |
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117 |
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118 result[k++] = t; |
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119 } |
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120 } |
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121 |
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122 retval = octave_value (result, '\''); |
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123 } |
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124 else |
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125 print_usage (); |
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126 |
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127 return retval; |
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128 } |
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129 |
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130 DEFUN (ischar, args, , |
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131 "-*- texinfo -*-\n\ |
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132 @deftypefn {Built-in Function} {} ischar (@var{a})\n\ |
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133 Return 1 if @var{a} is a string. Otherwise, return 0.\n\ |
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134 @end deftypefn") |
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135 { |
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4233
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136 octave_value retval; |
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137 |
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138 int nargin = args.length (); |
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139 |
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140 if (nargin == 1 && args(0).is_defined ()) |
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141 retval = args(0).is_string (); |
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142 else |
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5823
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143 print_usage (); |
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144 |
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145 return retval; |
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146 } |
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147 |
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5415
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148 DEFUN (strcmp, args, , |
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149 "-*- texinfo -*-\n\ |
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150 @deftypefn {Function File} {} strcmp (@var{s1}, @var{s2})\n\ |
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151 Return 1 if the character strings @var{s1} and @var{s2} are the same,\n\ |
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152 and 0 otherwise.\n\ |
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153 \n\ |
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154 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\ |
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155 of the same size is returned, containing the values described above for\n\ |
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156 every member of the cell array. The other argument may also be a cell\n\ |
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157 array of strings (of the same size or with only one element), char matrix\n\ |
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158 or character string.\n\ |
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159 \n\ |
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160 @strong{Caution:} For compatibility with @sc{Matlab}, Octave's strcmp\n\ |
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161 function returns 1 if the character strings are equal, and 0 otherwise.\n\ |
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162 This is just the opposite of the corresponding C library function.\n\ |
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163 @seealso{strcmpi, strncmp, strncmpi}\n\ |
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164 @end deftypefn") |
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165 { |
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5531
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166 octave_value retval; |
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167 |
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168 if (args.length () == 2) |
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169 { |
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170 bool s1_string = args(0).is_string (); |
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171 bool s1_cell = args(0).is_cell (); |
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172 bool s2_string = args(1).is_string (); |
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173 bool s2_cell = args(1).is_cell (); |
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174 |
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175 if (s1_string && s2_string) |
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176 { |
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177 // Must match exactly in all dimensions. |
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178 |
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179 const dim_vector dv1 = args(0).dims (); |
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180 const dim_vector dv2 = args(1).dims (); |
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181 |
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182 if (dv1.length () == dv2.length ()) |
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183 { |
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184 for (int i = 0; i < dv1.length (); i++) |
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185 { |
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186 if (dv1(i) != dv2(i)) |
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187 { |
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188 retval = false; |
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189 return retval; |
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190 } |
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191 } |
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192 |
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193 if (dv1(0) == 0) |
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194 retval = true; |
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195 else |
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196 { |
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197 charNDArray s1 = args(0).char_array_value (); |
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198 charNDArray s2 = args(1).char_array_value (); |
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199 |
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5416
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200 for (int i = 0; i < dv1.numel (); i++) |
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201 { |
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202 if (s1(i) != s2(i)) |
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203 { |
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204 retval = false; |
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205 return retval; |
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206 } |
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207 } |
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5415
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208 |
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209 retval = true; |
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210 } |
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5415
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211 } |
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212 } |
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213 else if ((s1_string && s2_cell) || (s1_cell && s2_string)) |
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214 { |
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215 string_vector str; |
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216 Cell cell; |
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217 int r; |
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218 |
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219 if (s1_string) |
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220 { |
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221 str = args(0).all_strings (); |
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222 r = args(0).rows (); |
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223 cell = args(1).cell_value (); |
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224 } |
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225 else |
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226 { |
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227 str = args(1).all_strings (); |
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228 r = args(1).rows (); |
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229 cell = args(0).cell_value (); |
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230 } |
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231 |
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5862
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232 if (r == 0 || r == 1) |
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5416
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233 { |
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234 // Broadcast the string. |
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235 |
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236 boolNDArray output (cell.dimensions); |
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237 |
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5862
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238 std::string s = r == 0 ? std::string () : str[0]; |
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239 |
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5416
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240 for (int i = 0; i < cell.length (); i++) |
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241 { |
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242 if (cell(i).is_string ()) |
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243 output(i) = (cell(i).string_value () == s); |
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244 else |
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245 output(i) = false; |
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246 } |
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247 |
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248 retval = output; |
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249 } |
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250 else if (r > 1) |
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251 { |
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5416
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252 if (cell.length () == 1) |
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253 { |
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5416
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254 // Broadcast the cell. |
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255 |
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256 const dim_vector dv (r, 1); |
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257 boolNDArray output (dv); |
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258 |
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259 if (cell(0).is_string ()) |
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260 { |
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261 const std::string str2 = cell(0).string_value (); |
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262 |
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5416
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263 for (int i = 0; i < r; i++) |
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264 output(i) = (str[i] == str2); |
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265 } |
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266 else |
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267 { |
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268 for (int i = 0; i < r; i++) |
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269 output(i) = false; |
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270 } |
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271 |
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272 retval = output; |
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5415
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273 } |
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274 else |
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275 { |
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5416
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276 // Must match in all dimensions. |
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277 |
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278 boolNDArray output (cell.dimensions); |
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5415
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279 |
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5416
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280 if (cell.length () == r) |
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281 { |
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282 for (int i = 0; i < r; i++) |
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6250
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283 { |
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284 if (cell(i).is_string ()) |
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285 output(i) = (str[i] == cell(i).string_value ()); |
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286 else |
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287 output(i) = false; |
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288 } |
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5415
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289 |
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5416
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290 retval = output; |
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291 } |
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292 else |
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293 retval = false; |
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5415
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294 } |
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295 } |
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296 } |
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5416
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297 else if (s1_cell && s2_cell) |
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298 { |
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5416
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299 Cell cell1; |
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300 Cell cell2; |
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5415
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301 |
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5416
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302 int r1 = args(0).numel (); |
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303 int r2; |
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304 |
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305 if (r1 == 1) |
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306 { |
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307 // Make the singleton cell2. |
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308 |
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5416
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309 cell1 = args(1).cell_value (); |
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310 cell2 = args(0).cell_value (); |
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311 r1 = cell1.length (); |
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312 r2 = 1; |
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313 } |
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314 else |
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315 { |
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316 cell1 = args(0).cell_value (); |
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317 cell2 = args(1).cell_value (); |
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318 r2 = cell2.length (); |
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319 } |
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5415
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320 |
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5416
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321 const dim_vector size1 = cell1.dimensions; |
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322 const dim_vector size2 = cell2.dimensions; |
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323 |
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324 boolNDArray output (size1); |
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325 |
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326 if (r2 == 1) |
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327 { |
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328 // Broadcast cell2. |
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329 |
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330 if (! cell2(0).is_string ()) |
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5415
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331 { |
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5416
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332 for (int i = 0; i < r1; i++) |
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333 output(i) = false; |
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5415
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334 } |
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335 else |
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5416
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336 { |
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337 const std::string str2 = cell2(0).string_value (); |
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338 |
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339 for (int i = 0; i < r1; i++) |
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340 { |
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341 if (cell1(i).is_string ()) |
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342 { |
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343 const std::string str1 = cell1(i).string_value (); |
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344 output(i) = (str1 == str2); |
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345 } |
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346 else |
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347 output(i) = false; |
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348 } |
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349 } |
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5415
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350 } |
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5416
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351 else |
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352 { |
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353 if (size1 != size2) |
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354 { |
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355 error ("strcmp: nonconformant cell arrays"); |
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356 return retval; |
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357 } |
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358 |
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359 for (int i = 0; i < r1; i++) |
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360 { |
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361 if (cell1(i).is_string () && cell2(i).is_string ()) |
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362 { |
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363 const std::string str1 = cell1(i).string_value (); |
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364 const std::string str2 = cell2(i).string_value (); |
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365 output(i) = (str1 == str2); |
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366 } |
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367 else |
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368 output(i) = false; |
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369 } |
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370 } |
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371 |
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372 retval = output; |
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5415
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373 } |
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5531
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374 else |
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375 retval = false; |
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5415
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376 } |
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5416
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377 else |
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5823
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378 print_usage (); |
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5415
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379 |
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380 return retval; |
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381 } |
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382 |
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5862
|
383 /* |
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384 %!shared x |
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385 %! x = char (zeros (0, 2)); |
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386 %!assert (strcmp ('', x) == false); |
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387 %!assert (strcmp (x, '') == false); |
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388 %!assert (strcmp (x, x) == true); |
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5911
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389 ## %!assert (strcmp ({''}, x) == false); |
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390 ## %!assert (strcmp ({x}, '') == false); |
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391 ## %!assert (strcmp ({x}, x) == true); |
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392 ## %!assert (strcmp ('', {x}) == false); |
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393 ## %!assert (strcmp (x, {''}) == false); |
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394 ## %!assert (strcmp (x, {x}) == true); |
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395 ## %!assert (all (strcmp ({x; x}, '') == [false; false])); |
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396 ## %!assert (all (strcmp ({x; x}, {''}) == [false; false])); |
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397 ## %!assert (all (strcmp ('', {x; x}) == [false; false])); |
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398 ## %!assert (all (strcmp ({''}, {x; x}) == [false; false])); |
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5862
|
399 %!assert (strcmp ({'foo'}, x) == false); |
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400 %!assert (strcmp ({'foo'}, 'foo') == true); |
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401 %!assert (strcmp ({'foo'}, x) == false); |
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|
402 %!assert (strcmp (x, {'foo'}) == false); |
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403 %!assert (strcmp ('foo', {'foo'}) == true); |
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404 %!assert (strcmp (x, {'foo'}) == false); |
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405 %!shared y |
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406 %! y = char (zeros (2, 0)); |
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407 %!assert (strcmp ('', y) == false); |
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408 %!assert (strcmp (y, '') == false); |
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409 %!assert (strcmp (y, y) == true); |
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410 %!assert (all (strcmp ({''}, y) == [true; true])); |
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411 %!assert (strcmp ({y}, '') == true); |
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412 %!assert (all (strcmp ({y}, y) == [true; true])); |
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413 %!assert (all (strcmp ('', {y}) == [true; true])); |
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|
414 %!assert (all (strcmp (y, {''}) == [true; true])); |
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|
415 %!assert (all (strcmp (y, {y}) == [true; true])); |
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5911
|
416 ## %!assert (all (strcmp ({y; y}, '') == [false; false])); |
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417 ## %!assert (all (strcmp ({y; y}, {''}) == [false; false])); |
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418 ## %!assert (all (strcmp ('', {y; y}) == [false; false])); |
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419 ## %!assert (all (strcmp ({''}, {y; y}) == [false; false])); |
|
5862
|
420 %!assert (all (strcmp ({'foo'}, y) == [false; false])); |
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|
421 %!assert (all (strcmp ({'foo'}, y) == [false; false])); |
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|
422 %!assert (all (strcmp (y, {'foo'}) == [false; false])); |
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|
423 %!assert (all (strcmp (y, {'foo'}) == [false; false])); |
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|
424 */ |
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|
425 |
|
6250
|
426 DEFUN (strncmp, args, , |
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|
427 "-*- texinfo -*-\n\ |
|
|
428 @deftypefn {Function File} {} strncmp (@var{s1}, @var{s2}, @var{n})\n\ |
|
|
429 Return 1 if the first @var{n} characters of strings @var{s1} and @var{s2} are the same,\n\ |
|
|
430 and 0 otherwise.\n\ |
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|
431 \n\ |
|
|
432 @example\n\ |
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|
433 @group\n\ |
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|
434 strncmp (\"abce\", \"abcd\", 3)\n\ |
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|
435 @result{} 1\n\ |
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|
436 @end group\n\ |
|
|
437 @end example\n\ |
|
|
438 \n\ |
|
|
439 If either @var{s1} or @var{s2} is a cell array of strings, then an array\n\ |
|
|
440 of the same size is returned, containing the values described above for\n\ |
|
|
441 every member of the cell array. The other argument may also be a cell\n\ |
|
|
442 array of strings (of the same size or with only one element), char matrix\n\ |
|
|
443 or character string.\n\ |
|
|
444 \n\ |
|
|
445 @example\n\ |
|
|
446 @group\n\ |
|
6256
|
447 strncmp (\"abce\", @{\"abcd\", \"bca\", \"abc\"@}, 3)\n\ |
|
6250
|
448 @result{} [1, 0, 1]\n\ |
|
|
449 @end group\n\ |
|
|
450 @end example\n\ |
|
|
451 \n\ |
|
|
452 @strong{Caution:} For compatibility with @sc{Matlab}, Octave's strncmp\n\ |
|
|
453 function returns 1 if the character strings are equal, and 0 otherwise.\n\ |
|
|
454 This is just the opposite of the corresponding C library function.\n\ |
|
|
455 @seealso{strncmpi, strcmp, strcmpi}\n\ |
|
|
456 @end deftypefn") |
|
|
457 { |
|
|
458 octave_value retval; |
|
|
459 |
|
|
460 if (args.length () == 3) |
|
|
461 { |
|
|
462 bool s1_string = args(0).is_string (); |
|
|
463 bool s1_cell = args(0).is_cell (); |
|
|
464 bool s2_string = args(1).is_string (); |
|
|
465 bool s2_cell = args(1).is_cell (); |
|
|
466 |
|
|
467 // Match only first n strings. |
|
|
468 int n = args(2).int_value (); |
|
|
469 |
|
|
470 if (n <= 0) |
|
|
471 { |
|
|
472 error ("strncmp: N must be greater than 0"); |
|
|
473 return retval; |
|
|
474 } |
|
|
475 |
|
|
476 if (s1_string && s2_string) |
|
|
477 { |
|
|
478 // The only restriction here is that each string has equal or |
|
|
479 // greater than n characters |
|
|
480 |
|
|
481 const dim_vector dv1 = args(0).dims (); |
|
|
482 const dim_vector dv2 = args(1).dims (); |
|
|
483 |
|
|
484 if (dv1.numel () >= n && dv2.numel () >= n) |
|
|
485 { |
|
|
486 // Follow Matlab in the sense that the first n characters of |
|
|
487 // the two strings (in column major order) need to be the same. |
|
|
488 charNDArray s1 = args(0).char_array_value (); |
|
|
489 charNDArray s2 = args(1).char_array_value (); |
|
|
490 |
|
|
491 for (int i = 0; i < n; i++) |
|
|
492 { |
|
|
493 if (s1(i) != s2(i)) |
|
|
494 { |
|
|
495 retval = false; |
|
|
496 return retval; |
|
|
497 } |
|
|
498 } |
|
|
499 |
|
|
500 retval = true; |
|
|
501 } |
|
|
502 else |
|
|
503 retval = false; |
|
|
504 } |
|
|
505 else if ((s1_string && s2_cell) || (s1_cell && s2_string)) |
|
|
506 { |
|
|
507 string_vector str; |
|
|
508 Cell cell; |
|
|
509 int r, c; |
|
|
510 |
|
|
511 if (s1_string) |
|
|
512 { |
|
|
513 str = args(0).all_strings (); |
|
|
514 r = args(0).rows (); |
|
|
515 c = args(0).columns (); |
|
|
516 cell = args(1).cell_value (); |
|
|
517 } |
|
|
518 else |
|
|
519 { |
|
|
520 str = args(1).all_strings (); |
|
|
521 r = args(1).rows (); |
|
|
522 c = args(1).columns (); |
|
|
523 cell = args(0).cell_value (); |
|
|
524 } |
|
|
525 |
|
|
526 if (r == 1) |
|
|
527 { |
|
|
528 // Broadcast the string. |
|
|
529 |
|
|
530 boolNDArray output (cell.dimensions); |
|
|
531 |
|
|
532 if (c < n) |
|
|
533 { |
|
|
534 for (int i = 0; i < cell.length (); i++) |
|
|
535 output(i) = false; |
|
|
536 } |
|
|
537 else |
|
|
538 { |
|
|
539 for (int i = 0; i < cell.length (); i++) |
|
|
540 { |
|
|
541 if (cell(i).is_string ()) |
|
|
542 { |
|
|
543 const std::string str2 = cell(i).string_value (); |
|
|
544 |
|
|
545 if (str2.length() >= n) |
|
|
546 { |
|
|
547 if (str2.compare (0, n, str[0], 0, n) == 0) |
|
|
548 output(i) = true; |
|
|
549 else |
|
|
550 output(i) = false; |
|
|
551 } |
|
|
552 else |
|
|
553 output(i) = false; |
|
|
554 } |
|
|
555 } |
|
|
556 } |
|
|
557 |
|
|
558 retval = output; |
|
|
559 } |
|
|
560 else if (r > 1) |
|
|
561 { |
|
|
562 if (cell.length () == 1) |
|
|
563 { |
|
|
564 // Broadcast the cell. |
|
|
565 |
|
|
566 const dim_vector dv (r, 1); |
|
|
567 boolNDArray output (dv); |
|
|
568 |
|
|
569 if (cell(0).is_string () && c >= n) |
|
|
570 { |
|
|
571 const std::string str2 = cell(0).string_value (); |
|
|
572 |
|
|
573 if (str2.length () >= n) |
|
|
574 { |
|
|
575 for (int i = 0; i < r; i++) |
|
|
576 { |
|
|
577 if (str[i].compare (0, n, str2, 0, n) == 0) |
|
|
578 output(i) = true; |
|
|
579 else |
|
|
580 output(i) = false; |
|
|
581 } |
|
|
582 } |
|
|
583 else |
|
|
584 { |
|
|
585 for (int i = 0; i < r; i++) |
|
|
586 output(i) = false; |
|
|
587 } |
|
|
588 } |
|
|
589 else |
|
|
590 { |
|
|
591 for (int i = 0; i < r; i++) |
|
|
592 output(i) = false; |
|
|
593 } |
|
|
594 |
|
|
595 retval = output; |
|
|
596 } |
|
|
597 else |
|
|
598 { |
|
|
599 // Must match in all dimensions. |
|
|
600 |
|
|
601 boolNDArray output (cell.dimensions); |
|
|
602 |
|
|
603 if (cell.numel () == r) |
|
|
604 { |
|
|
605 for (int i = 0; i < r; i++) |
|
|
606 { |
|
|
607 output(i) = false; |
|
|
608 |
|
|
609 if (cell(i).is_string () && c >= n) |
|
|
610 { |
|
|
611 std::string str2 = cell(i).string_value (); |
|
|
612 |
|
|
613 if (str2.length () >= n |
|
|
614 && str2.compare (0, n, str[i], 0, n) == 0) |
|
|
615 output(i) = true; |
|
|
616 } |
|
|
617 } |
|
|
618 |
|
|
619 retval = output; |
|
|
620 } |
|
|
621 else |
|
|
622 { |
|
|
623 error ("strncmp: the number of rows of the string matrix must match the number of elements in the cell"); |
|
|
624 return retval; |
|
|
625 } |
|
|
626 } |
|
|
627 } |
|
|
628 } |
|
|
629 else if (s1_cell && s2_cell) |
|
|
630 { |
|
|
631 Cell cell1; |
|
|
632 Cell cell2; |
|
|
633 |
|
|
634 int r1 = args(0).numel (); |
|
|
635 int r2; |
|
|
636 |
|
|
637 if (r1 == 1) |
|
|
638 { |
|
|
639 // Make the singleton cell2. |
|
|
640 |
|
|
641 cell1 = args(1).cell_value (); |
|
|
642 cell2 = args(0).cell_value (); |
|
|
643 r1 = cell1.length (); |
|
|
644 r2 = 1; |
|
|
645 } |
|
|
646 else |
|
|
647 { |
|
|
648 cell1 = args(0).cell_value (); |
|
|
649 cell2 = args(1).cell_value (); |
|
|
650 r2 = cell2.length (); |
|
|
651 } |
|
|
652 |
|
|
653 const dim_vector size1 = cell1.dimensions; |
|
|
654 const dim_vector size2 = cell2.dimensions; |
|
|
655 |
|
|
656 boolNDArray output (size1); |
|
|
657 |
|
|
658 if (r2 == 1) |
|
|
659 { |
|
|
660 // Broadcast cell2. |
|
|
661 |
|
|
662 if (! cell2(0).is_string ()) |
|
|
663 { |
|
|
664 for (int i = 0; i < r1; i++) |
|
|
665 output(i) = false; |
|
|
666 } |
|
|
667 else |
|
|
668 { |
|
|
669 const std::string str2 = cell2(0).string_value (); |
|
|
670 |
|
|
671 for (int i = 0; i < r1; i++) |
|
|
672 { |
|
|
673 if (cell1(i).is_string ()) |
|
|
674 { |
|
|
675 const std::string str1 = cell1(i).string_value (); |
|
|
676 |
|
|
677 if (str1.length () >= n && str2.length () >= n |
|
|
678 && str1.compare (0, n, str2, 0, n) == 0) |
|
|
679 output(i) = true; |
|
|
680 else |
|
|
681 output(i) = false; |
|
|
682 } |
|
|
683 else |
|
|
684 output(i) = false; |
|
|
685 } |
|
|
686 } |
|
|
687 } |
|
|
688 else |
|
|
689 { |
|
|
690 if (size1 != size2) |
|
|
691 { |
|
|
692 error ("strncmp: nonconformant cell arrays"); |
|
|
693 return retval; |
|
|
694 } |
|
|
695 |
|
|
696 for (int i = 0; i < r1; i++) |
|
|
697 { |
|
|
698 if (cell1(i).is_string () && cell2(i).is_string ()) |
|
|
699 { |
|
|
700 const std::string str1 = cell1(i).string_value (); |
|
|
701 const std::string str2 = cell2(i).string_value (); |
|
|
702 |
|
|
703 if (str1.length () >= n && str2.length () >= n |
|
|
704 && str1.compare (0, n, str2, 0, n) == 0) |
|
|
705 output(i) = true; |
|
|
706 else |
|
|
707 output(i) = false; |
|
|
708 } |
|
|
709 else |
|
|
710 output(i) = false; |
|
|
711 } |
|
|
712 } |
|
|
713 |
|
|
714 retval = output; |
|
|
715 } |
|
|
716 else |
|
|
717 retval = false; |
|
|
718 } |
|
|
719 else |
|
|
720 print_usage (); |
|
|
721 |
|
|
722 return retval; |
|
|
723 } |
|
|
724 |
|
5690
|
725 DEFUN (list_in_columns, args, , |
|
|
726 "-*- texinfo -*-\n\ |
|
|
727 @deftypefn {Built-in Function} {} list_in_columns (@var{arg}, @var{width})\n\ |
|
|
728 Return a string containing the elements of @var{arg} listed in\n\ |
|
|
729 columns with an overall maximum width of @var{width}. The argument\n\ |
|
|
730 @var{arg} must be a cell array of character strings or a character array.\n\ |
|
|
731 If @var{width} is not specified, the width of the terminal screen is used.\n\ |
|
|
732 @seealso{terminal_size}\n\ |
|
|
733 @end deftypefn") |
|
|
734 { |
|
|
735 octave_value retval; |
|
|
736 |
|
|
737 int nargin = args.length (); |
|
|
738 |
|
|
739 if (nargin == 1 || nargin == 2) |
|
|
740 { |
|
|
741 string_vector s = args(0).all_strings (); |
|
|
742 |
|
|
743 if (! error_state) |
|
|
744 { |
|
5765
|
745 std::ostringstream buf; |
|
5690
|
746 |
|
|
747 if (nargin == 1) |
|
|
748 // Let list_in_columns query terminal width. |
|
|
749 s.list_in_columns (buf); |
|
|
750 else |
|
|
751 { |
|
|
752 int width = args(1).int_value (); |
|
|
753 |
|
|
754 if (! error_state) |
|
|
755 s.list_in_columns (buf, width); |
|
|
756 else |
|
|
757 error ("list_in_columns: expecting width to be an integer"); |
|
|
758 } |
|
|
759 |
|
5765
|
760 retval = buf.str (); |
|
5690
|
761 } |
|
|
762 else |
|
|
763 error ("list_in_columns: expecting cellstr or char array"); |
|
|
764 } |
|
|
765 else |
|
5823
|
766 print_usage (); |
|
5690
|
767 |
|
|
768 return retval; |
|
|
769 } |
|
|
770 |
|
807
|
771 /* |
|
|
772 ;;; Local Variables: *** |
|
|
773 ;;; mode: C++ *** |
|
|
774 ;;; End: *** |
|
|
775 */ |
