annotate scripts/strings/isstrprop.m @ 30330:01de0045b2e3

maint: Shorten some long lines to <= 80 characters (bug #57599) * audiorecorder.m, disable_diagonal_matrix.m, disable_permutation_matrix.m, disable_range.m, atan2d.m, accumdim.m, bitcmp.m, blkdiag.m, cplxpair.m, dblquad.m, integral2.m, integral3.m, interp2.m, interpn.m, logspace.m, delaunayn.m, griddata3.m, imread.m, genvarname.m, strread.m, nthargout.m, parseparams.m, lsqnonneg.m, qp.m, sqp.m, material.m, __gnuplot_legend__.m, plot.m, __gnuplot_drawnow__.m, polygcd.m, polyvalm.m, setdiff.m, fftfilt.m, eigs.m, betainc.m, cosint.m, factor.m, gallery.m, toeplitz.m, discrete_cdf.m, discrete_inv.m, discrete_pdf.m, iqr.m, kurtosis.m, quantile.m, bin2dec.m, isstrprop.m, mat2str.m, strchr.m, strsplit.m, __have_feature__.m, datenum.m, datevec.m, eomday.m, weboptions.m: maint: Shorten some long lines to <= 80 characters.
author Rik <rik@octave.org>
date Tue, 23 Nov 2021 13:28:34 -0800
parents 7854d5752dd2
children 83aeaba707d8 796f54d4ddbf
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 ########################################################################
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2 ##
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3 ## Copyright (C) 2008-2021 The Octave Project Developers
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4 ##
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5 ## See the file COPYRIGHT.md in the top-level directory of this
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6 ## distribution or <https://octave.org/copyright/>.
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7 ##
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8 ## This file is part of Octave.
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9 ##
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10 ## Octave is free software: you can redistribute it and/or modify it
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11 ## under the terms of the GNU General Public License as published by
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12 ## the Free Software Foundation, either version 3 of the License, or
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13 ## (at your option) any later version.
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14 ##
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15 ## Octave is distributed in the hope that it will be useful, but
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16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 ## GNU General Public License for more details.
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19 ##
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20 ## You should have received a copy of the GNU General Public License
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21 ## along with Octave; see the file COPYING. If not, see
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22 ## <https://www.gnu.org/licenses/>.
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23 ##
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24 ########################################################################
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25
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26 ## -*- texinfo -*-
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27 ## @deftypefn {} {} isstrprop (@var{str}, @var{prop})
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28 ## Test character string properties.
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29 ##
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30 ## For example:
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31 ##
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32 ## @example
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33 ## @group
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34 ## isstrprop ("abc123", "alpha")
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35 ## @result{} [1, 1, 1, 0, 0, 0]
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36 ## @end group
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37 ## @end example
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38 ##
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39 ## If @var{str} is a cell array, @code{isstrpop} is applied recursively to
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40 ## each element of the cell array.
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41 ##
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42 ## Numeric arrays are converted to character strings.
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43 ##
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44 ## The second argument @var{prop} must be one of
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45 ##
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46 ## @table @asis
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47 ## @item @qcode{"alpha"}
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48 ## True for characters that are alphabetic (letters).
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49 ##
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50 ## @item @nospell{@qcode{"alnum"}}
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51 ## @itemx @nospell{@qcode{"alphanum"}}
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52 ## True for characters that are alphabetic or digits.
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53 ##
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54 ## @item @qcode{"lower"}
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55 ## True for lowercase letters.
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56 ##
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57 ## @item @qcode{"upper"}
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58 ## True for uppercase letters.
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59 ##
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60 ## @item @qcode{"digit"}
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61 ## True for decimal digits (0-9).
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62 ##
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63 ## @item @nospell{@qcode{"xdigit"}}
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64 ## True for hexadecimal digits (@nospell{a-fA-F0-9}).
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65 ##
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66 ## @item @qcode{"space"}
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67 ## @itemx @nospell{@qcode{"wspace"}}
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68 ## True for whitespace characters (space, formfeed, newline, carriage return,
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69 ## tab, vertical tab).
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70 ##
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71 ## @item @nospell{@qcode{"punct"}}
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72 ## True for punctuation characters (printing characters except space or
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73 ## letter or digit).
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74 ##
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75 ## @item @nospell{@qcode{"cntrl"}}
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76 ## True for control characters.
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77 ##
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78 ## @item @qcode{"graph"}
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79 ## @itemx @qcode{"graphic"}
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80 ## True for printing characters except space.
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81 ##
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82 ## @item @qcode{"print"}
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83 ## True for printing characters including space.
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84 ##
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85 ## @item @qcode{"ascii"}
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86 ## True for characters that are in the range of ASCII encoding.
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87 ##
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88 ## @end table
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89 ##
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90 ## @seealso{isalpha, isalnum, islower, isupper, isdigit, isxdigit,
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91 ## isspace, ispunct, iscntrl, isgraph, isprint, isascii}
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92 ## @end deftypefn
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93
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94 function retval = isstrprop (str, prop)
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95
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96 if (nargin != 2)
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97 print_usage ();
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98 endif
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99
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100 switch (prop)
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101 case "alpha"
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102 retval = isalpha (str);
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103 case {"alnum", "alphanum"}
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104 retval = isalnum (str);
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105 case "ascii"
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106 retval = isascii (str);
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107 case "cntrl"
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108 retval = iscntrl (str);
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109 case "digit"
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110 retval = isdigit (str);
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111 case {"graph", "graphic"}
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112 retval = isgraph (str);
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113 case "lower"
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114 retval = islower (str);
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115 case "print"
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116 retval = isprint (str);
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117 case "punct"
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118 retval = ispunct (str);
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119 case {"space", "wspace"}
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120 retval = isspace (str);
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121 case "upper"
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122 retval = isupper (str);
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123 case "xdigit"
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124 retval = isxdigit (str);
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125 otherwise
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126 error ("isstrprop: invalid string property");
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127 endswitch
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128
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129 endfunction
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130
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131
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132 %!assert (isstrprop ("abc123", "alpha"), logical ([1, 1, 1, 0, 0, 0]))
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133 %!assert (isstrprop ("abc123", "digit"), logical ([0, 0, 0, 1, 1, 1]))
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134 %!assert (isstrprop ("Hello World", "wspace"), isspace ("Hello World"))
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135 %!assert (isstrprop ("Hello World", "graphic"), isgraph ("Hello World"))
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136 %!assert (isstrprop (char ("AbC", "123"), "upper"), logical ([1 0 1; 0 0 0]))
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137 %!assert (isstrprop ({"AbC", "123"}, "lower"),
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138 %! {logical([0 1 0]), logical([0 0 0])})
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139
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140 ## Test input validation
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141 %!error <Invalid call> isstrprop ()
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142 %!error isstrprop ("abc123")
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143 %!error isstrprop ("abc123", "alpha", "alpha")
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144 %!error <invalid string property> isstrprop ("abc123", "foo")