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1 // strfns.cc -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993, 1994, 1995 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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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25 #include <config.h> |
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26 #endif |
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27 |
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28 #include <cctype> |
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29 |
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30 #include "dMatrix.h" |
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31 |
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32 #include "defun.h" |
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33 #include "error.h" |
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34 #include "gripes.h" |
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35 #include "help.h" |
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36 #include "oct-obj.h" |
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37 #include "tree-const.h" |
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38 #include "utils.h" |
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39 |
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40 DEFUN ("isstr", Fisstr, Sisstr, 1, 1, |
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41 "isstr (X): return 1 if X is a string, 0 otherwise") |
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42 { |
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43 Octave_object retval; |
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44 |
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45 int nargin = args.length (); |
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46 |
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47 if (nargin == 1 && args(0).is_defined ()) |
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48 retval = (double) args(0).is_string (); |
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49 else |
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50 print_usage ("isstr"); |
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51 |
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52 return retval; |
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53 } |
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54 |
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55 DEFUN ("setstr", Fsetstr, Ssetstr, 1, 1, |
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56 "setstr (V): convert a vector to a string") |
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57 { |
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58 Octave_object retval; |
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59 |
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60 int nargin = args.length (); |
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61 |
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62 if (nargin == 1 && args(0).is_defined ()) |
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63 retval = args(0).convert_to_str (); |
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64 else |
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65 print_usage ("setstr"); |
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66 |
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67 return retval; |
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68 } |
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69 |
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70 DEFUN ("toascii", Ftoascii, Stoascii, 1, 1, |
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71 "toascii (STRING): return ASCII representation of STRING in a matrix") |
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72 { |
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73 Octave_object retval; |
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74 |
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75 int nargin = args.length (); |
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76 |
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77 if (nargin == 1) |
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78 { |
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79 tree_constant arg = args(0); |
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80 |
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81 if (arg.is_string ()) |
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82 { |
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83 Octave_str_obj str = args(0).all_strings (); |
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84 |
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85 int nr = str.num_strings (); |
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86 int nc = str.max_length (); |
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87 |
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88 // XXX FIXME XXX -- should fill with user-specified value. |
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89 |
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90 Matrix m (nr, nc, 0); |
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91 |
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92 for (int i = 0; i < nr; i++) |
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93 { |
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94 nc = str.elem (i).length (); |
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95 for (int j = 0; j < nc; j++) |
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96 m (i, j) = toascii (str.elem (i) [j]); |
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97 } |
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98 |
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99 retval = m; |
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100 } |
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101 else |
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102 gripe_wrong_type_arg ("toascii", arg); |
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103 } |
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104 else |
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105 print_usage ("toascii"); |
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106 |
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107 return retval; |
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108 } |
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109 |
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110 /* |
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111 ;;; Local Variables: *** |
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112 ;;; mode: C++ *** |
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113 ;;; page-delimiter: "^/\\*" *** |
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114 ;;; End: *** |
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115 */ |
