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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 3 of the License, or (at your |
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10 option) any 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, see |
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19 <http://www.gnu.org/licenses/>. |
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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 char dir_path::path_sep_char = SEPCHAR; |
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40 |
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41 std::string dir_path::path_sep_str (SEPCHAR_STR); |
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42 |
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43 static bool octave_kpathsea_initialized = false; |
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44 |
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45 string_vector |
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46 dir_path::elements (void) |
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47 { |
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48 return initialized ? pv : string_vector (); |
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49 } |
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50 |
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51 string_vector |
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52 dir_path::all_directories (void) |
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53 { |
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54 int count = 0; |
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55 string_vector retval; |
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56 |
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57 if (initialized) |
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58 { |
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59 int len = pv.length (); |
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60 |
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61 int nmax = len > 32 ? len : 32; |
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62 |
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63 retval.resize (len); |
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64 |
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65 for (int i = 0; i < len; i++) |
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66 { |
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67 str_llist_type *elt_dirs = kpse_element_dirs (pv[i]); |
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68 |
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69 if (elt_dirs) |
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70 { |
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71 str_llist_elt_type *dir; |
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72 |
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73 for (dir = *elt_dirs; dir; dir = STR_LLIST_NEXT (*dir)) |
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74 { |
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75 const std::string elt_dir = STR_LLIST (*dir); |
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76 |
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77 if (! elt_dir.empty ()) |
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78 { |
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79 if (count == nmax) |
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80 nmax *= 2; |
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81 |
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82 retval.resize (nmax); |
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83 |
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84 retval[count++] = elt_dir; |
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85 } |
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86 } |
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87 } |
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88 } |
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89 |
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90 retval.resize (count); |
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91 } |
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92 |
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93 return retval; |
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94 } |
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95 |
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96 std::string |
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97 dir_path::find_first (const std::string& nm) |
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98 { |
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99 return initialized ? kpse_path_search (p, nm, true) : std::string (); |
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100 } |
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101 |
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102 string_vector |
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103 dir_path::find_all (const std::string& nm) |
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104 { |
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105 return initialized ? kpse_all_path_search (p, nm) : string_vector (); |
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106 } |
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107 |
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108 std::string |
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109 dir_path::find_first_of (const string_vector& names) |
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110 { |
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111 return initialized |
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112 ? kpse_path_find_first_of (p, names, true) : std::string (); |
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113 } |
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114 |
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115 string_vector |
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116 dir_path::find_all_first_of (const string_vector& names) |
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117 { |
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118 return initialized |
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119 ? kpse_all_path_find_first_of (p, names) : string_vector (); |
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120 } |
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121 |
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122 void |
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123 dir_path::init (void) |
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124 { |
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125 if (! octave_kpathsea_initialized) |
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126 { |
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127 std::string val = octave_env::getenv ("KPATHSEA_DEBUG"); |
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128 |
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129 if (! val.empty ()) |
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130 kpathsea_debug |= atoi (val.c_str ()); |
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131 |
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132 octave_kpathsea_initialized = true; |
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133 } |
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134 |
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135 p = kpse_path_expand (p_default.empty () |
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136 ? p_orig : kpse_expand_default (p_orig, p_default)); |
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137 |
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138 int count = 0; |
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139 for (kpse_path_iterator pi (p); pi != NPOS; pi++) |
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140 count++; |
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141 |
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142 pv.resize (count); |
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143 |
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144 kpse_path_iterator pi (p); |
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145 |
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146 for (int i = 0; i < count; i++) |
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147 pv[i] = *pi++; |
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148 |
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149 initialized = true; |
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150 } |
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151 |
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152 /* |
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153 ;;; Local Variables: *** |
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154 ;;; mode: C++ *** |
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155 ;;; End: *** |
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156 */ |
