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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.h" |
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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 */ |
