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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 |
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64 = kpse_element_dirs (pv[i].c_str ()); |
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65 |
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66 if (elt_dirs) |
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67 { |
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68 str_llist_elt_type *dir; |
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69 |
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70 for (dir = *elt_dirs; dir; dir = STR_LLIST_NEXT (*dir)) |
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71 { |
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72 const std::string elt_dir = STR_LLIST (*dir); |
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73 |
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74 if (! elt_dir.empty ()) |
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75 { |
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76 if (count == nmax) |
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77 nmax *= 2; |
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78 |
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79 retval.resize (nmax); |
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80 |
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81 retval[count++] = elt_dir; |
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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 |
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87 retval.resize (count); |
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88 } |
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89 |
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90 return retval; |
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91 } |
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92 |
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93 std::string |
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94 dir_path::find_first (const std::string& nm) |
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95 { |
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96 return initialized ? kpse_path_search (p, nm, true) : std::string (); |
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97 } |
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98 |
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99 string_vector |
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100 dir_path::find_all (const std::string& nm) |
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101 { |
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102 return initialized ? kpse_all_path_search (p, nm) : string_vector (); |
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103 } |
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104 |
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105 std::string |
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106 dir_path::find_first_of (const string_vector& names) |
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107 { |
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108 return initialized |
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109 ? kpse_path_find_first_of (p, names, true) : std::string (); |
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110 } |
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111 |
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112 string_vector |
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113 dir_path::find_all_first_of (const string_vector& names) |
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114 { |
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115 return initialized |
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116 ? kpse_all_path_find_first_of (p, names) : string_vector (); |
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117 } |
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118 |
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119 void |
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120 dir_path::init (void) |
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121 { |
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122 if (! octave_kpathsea_initialized) |
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123 { |
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124 char *s = getenv ("KPATHSEA_DEBUG"); |
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125 |
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126 if (s) |
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127 kpathsea_debug |= atoi (s); |
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128 |
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129 octave_kpathsea_initialized = true; |
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130 } |
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131 |
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132 if (p_default.empty ()) |
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133 p = kpse_path_expand (p_orig); |
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134 else |
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135 { |
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136 char *t2 |
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137 = kpse_expand_default (p_orig.c_str (), p_default.c_str ()); |
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138 |
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139 p = kpse_path_expand (t2); |
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140 |
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141 if (t2) |
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142 free (t2); |
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143 } |
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144 |
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145 int count = 0; |
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146 char *path_elt = kpse_path_element (p.c_str ()); |
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147 while (path_elt) |
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148 { |
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149 path_elt = kpse_path_element (0); |
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150 count++; |
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151 } |
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152 |
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153 pv.resize (count); |
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154 |
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155 path_elt = kpse_path_element (p.c_str ()); |
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156 |
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157 for (int i = 0; i < count; i++) |
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158 { |
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159 pv[i] = path_elt; |
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160 path_elt = kpse_path_element (0); |
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161 } |
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162 |
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163 initialized = true; |
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164 } |
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165 |
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166 /* |
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167 ;;; Local Variables: *** |
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168 ;;; mode: C++ *** |
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169 ;;; End: *** |
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170 */ |
