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1 /* |
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2 |
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3 Copyright (C) 1996 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 #include <cstdlib> |
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24 |
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25 #include <string> |
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26 |
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27 #include "pathsearch.h" |
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28 #include "str-vec.h" |
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29 |
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30 extern "C" |
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31 { |
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32 // Have to redefine these because they conflict with new C++ keywords |
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33 // or otherwise cause trouble... |
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34 #define boolean kpse_boolean |
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35 #define true kpse_true |
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36 #define false kpse_false |
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37 #define string kpse_string |
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38 |
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39 #include <kpathsea/pathsearch.h> |
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40 |
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41 extern unsigned int kpathsea_debug; |
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42 |
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43 #undef true |
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44 #undef false |
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45 #undef boolean |
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46 #undef string |
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47 } |
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48 |
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49 bool dir_path::kpathsea_debug_initialized = false; |
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50 |
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51 string_vector |
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52 dir_path::elements (void) |
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53 { |
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54 return initialized ? pv : string_vector (); |
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55 } |
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56 |
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57 string_vector |
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58 dir_path::all_directories (void) |
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59 { |
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60 int count = 0; |
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61 string_vector retval; |
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62 |
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63 if (initialized) |
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64 { |
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65 int len = pv.length (); |
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66 |
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67 int nmax = len > 32 ? len : 32; |
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68 |
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69 retval.resize (len); |
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70 |
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71 for (int i = 0; i < len; i++) |
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72 { |
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73 str_llist_type *elt_dirs = kpse_element_dirs (pv[i].c_str ()); |
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74 |
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75 str_llist_elt_type *dir; |
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76 for (dir = *elt_dirs; dir; dir = STR_LLIST_NEXT (*dir)) |
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77 { |
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78 char *elt_dir = STR_LLIST (*dir); |
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79 |
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80 if (elt_dir) |
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81 { |
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82 if (count == nmax) |
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83 nmax *= 2; |
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84 |
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85 retval.resize (nmax); |
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86 |
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87 retval[count++] = elt_dir; |
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88 } |
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89 } |
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90 } |
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91 |
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92 retval.resize (count); |
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93 } |
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94 |
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95 return retval; |
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96 } |
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97 |
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98 string |
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99 dir_path::find_first (const string& nm) |
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100 { |
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101 string retval; |
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102 |
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103 if (initialized) |
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104 { |
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105 char *tmp = kpse_path_search (p.c_str (), nm.c_str (), |
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106 kpse_true); |
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107 if (tmp) |
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108 { |
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109 retval = tmp; |
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110 free (tmp); |
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111 } |
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112 } |
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113 |
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114 return retval; |
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115 } |
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116 |
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117 string_vector |
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118 dir_path::find_all (const string& nm) |
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119 { |
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120 string_vector retval; |
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121 |
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122 kpse_string *tmp = kpse_all_path_search (p.c_str (), nm.c_str ()); |
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123 |
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124 if (tmp) |
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125 { |
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126 int count = 0; |
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127 kpse_string *ptr = tmp; |
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128 while (*ptr++) |
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129 count++; |
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130 |
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131 retval.resize (count); |
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132 |
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133 for (int i = 0; i < count; i++) |
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134 retval[i] = tmp[i]; |
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135 } |
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136 |
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137 return retval; |
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138 } |
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139 |
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140 void |
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141 dir_path::init (void) |
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142 { |
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143 initialized = false; |
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144 |
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145 if (! kpathsea_debug_initialized) |
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146 { |
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147 char *s = getenv ("KPATHSEA_DEBUG"); |
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148 |
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149 if (s) |
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150 kpathsea_debug |= atoi (s); |
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151 } |
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152 |
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153 int count = 0; |
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154 char *path_elt = kpse_path_element (p.c_str ()); |
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155 while (path_elt) |
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156 { |
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157 path_elt = kpse_path_element (0); |
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158 count++; |
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159 } |
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160 |
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161 pv.resize (count); |
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162 |
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163 path_elt = kpse_path_element (p.c_str ()); |
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164 |
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165 for (int i = 0; i < count; i++) |
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166 { |
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167 pv[i] = path_elt; |
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168 path_elt = kpse_path_element (0); |
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169 } |
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170 |
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171 initialized = true; |
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172 } |
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173 |
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174 /* |
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175 ;;; Local Variables: *** |
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176 ;;; mode: C++ *** |
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177 ;;; End: *** |
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178 */ |
