annotate liboctave/pathsearch.cc @ 5100:5a92c3177fc6 before-gnuplot-split

[project @ 2004-12-27 17:20:38 by jwe]
author jwe
date Mon, 27 Dec 2004 17:20:38 +0000
parents 286a3345aa8e
children 4c8a2e4e0717
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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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include <cstdlib>
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28
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29 #include <string>
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30
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31 #include "lo-utils.h"
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32 #include "oct-env.h"
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33 #include "pathsearch.h"
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34 #include "str-vec.h"
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35 #include "str-vec.h"
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36
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37 #include "kpse.cc"
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38
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39 static bool octave_kpathsea_initialized = false;
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40
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41 string_vector
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42 dir_path::elements (void)
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43 {
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44 return initialized ? pv : string_vector ();
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45 }
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46
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47 string_vector
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48 dir_path::all_directories (void)
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49 {
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50 int count = 0;
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51 string_vector retval;
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52
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53 if (initialized)
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54 {
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55 int len = pv.length ();
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56
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57 int nmax = len > 32 ? len : 32;
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58
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59 retval.resize (len);
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60
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61 for (int i = 0; i < len; i++)
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62 {
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63 str_llist_type *elt_dirs = kpse_element_dirs (pv[i]);
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64
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65 if (elt_dirs)
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66 {
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67 str_llist_elt_type *dir;
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68
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69 for (dir = *elt_dirs; dir; dir = STR_LLIST_NEXT (*dir))
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70 {
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71 const std::string elt_dir = STR_LLIST (*dir);
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72
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73 if (! elt_dir.empty ())
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74 {
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75 if (count == nmax)
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76 nmax *= 2;
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77
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78 retval.resize (nmax);
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79
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80 retval[count++] = elt_dir;
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81 }
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82 }
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83 }
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84 }
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85
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86 retval.resize (count);
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87 }
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88
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89 return retval;
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90 }
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91
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92 std::string
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93 dir_path::find_first (const std::string& nm)
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94 {
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95 return initialized ? kpse_path_search (p, nm, true) : std::string ();
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96 }
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97
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98 string_vector
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99 dir_path::find_all (const std::string& nm)
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100 {
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101 return initialized ? kpse_all_path_search (p, nm) : string_vector ();
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102 }
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103
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104 std::string
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105 dir_path::find_first_of (const string_vector& names)
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106 {
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107 return initialized
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108 ? kpse_path_find_first_of (p, names, true) : std::string ();
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109 }
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110
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111 string_vector
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112 dir_path::find_all_first_of (const string_vector& names)
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113 {
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114 return initialized
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115 ? kpse_all_path_find_first_of (p, names) : string_vector ();
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116 }
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117
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118 void
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119 dir_path::init (void)
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120 {
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121 if (! octave_kpathsea_initialized)
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122 {
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123 std::string val = octave_env::getenv ("KPATHSEA_DEBUG");
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124
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125 if (! val.empty ())
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126 kpathsea_debug |= atoi (val.c_str ());
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127
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128 octave_kpathsea_initialized = true;
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129 }
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130
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131 p = kpse_path_expand (p_default.empty ()
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132 ? p_orig : kpse_expand_default (p_orig, p_default));
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133
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134 int count = 0;
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135 for (kpse_path_iterator pi (p); pi != NPOS; pi++)
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136 count++;
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137
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138 pv.resize (count);
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139
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140 kpse_path_iterator pi (p);
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141
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142 for (int i = 0; i < count; i++)
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143 pv[i] = *pi++;
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144
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145 initialized = true;
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146 }
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147
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148 /*
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149 ;;; Local Variables: ***
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150 ;;; mode: C++ ***
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151 ;;; End: ***
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152 */