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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 "pathsearch.h" |
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33 #include "str-vec.h" |
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34 #include "str-vec.h" |
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35 |
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36 extern "C" |
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37 { |
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38 // Have to redefine these because they conflict with new C++ keywords |
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39 // or otherwise cause trouble... |
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40 #define string kpse_string |
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41 |
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42 #include <kpathsea/default.h> |
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43 #include <kpathsea/expand.h> |
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44 #include <kpathsea/pathsearch.h> |
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45 #include <kpathsea/progname.h> |
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46 |
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47 extern unsigned int kpathsea_debug; |
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48 |
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49 #undef string |
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50 } |
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51 |
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52 static bool octave_kpathsea_initialized = false; |
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53 |
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54 string_vector |
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55 dir_path::elements (void) |
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56 { |
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57 return initialized ? pv : string_vector (); |
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58 } |
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59 |
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60 string_vector |
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61 dir_path::all_directories (void) |
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62 { |
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63 int count = 0; |
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64 string_vector retval; |
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65 |
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66 if (initialized) |
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67 { |
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68 int len = pv.length (); |
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69 |
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70 int nmax = len > 32 ? len : 32; |
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71 |
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72 retval.resize (len); |
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73 |
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74 for (int i = 0; i < len; i++) |
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75 { |
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76 str_llist_type *elt_dirs = kpse_element_dirs (pv[i].c_str ()); |
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77 |
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78 if (elt_dirs) |
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79 { |
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80 str_llist_elt_type *dir; |
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81 |
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82 for (dir = *elt_dirs; dir; dir = STR_LLIST_NEXT (*dir)) |
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83 { |
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84 char *elt_dir = STR_LLIST (*dir); |
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85 |
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86 if (elt_dir) |
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87 { |
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88 if (count == nmax) |
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89 nmax *= 2; |
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90 |
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91 retval.resize (nmax); |
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92 |
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93 retval[count++] = elt_dir; |
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94 } |
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95 } |
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96 } |
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97 } |
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98 |
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99 retval.resize (count); |
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100 } |
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101 |
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102 return retval; |
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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 (const std::string& nm) |
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107 { |
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108 std::string retval; |
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109 |
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110 if (initialized) |
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111 { |
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112 char *tmp = kpse_path_search (p.c_str (), nm.c_str (), true); |
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113 if (tmp) |
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114 { |
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115 retval = tmp; |
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116 free (tmp); |
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117 } |
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118 } |
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119 |
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120 return retval; |
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121 } |
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122 |
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123 string_vector |
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124 dir_path::find_all (const std::string& nm) |
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125 { |
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126 string_vector retval; |
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127 |
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128 if (initialized) |
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129 { |
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130 kpse_string *tmp = kpse_all_path_search (p.c_str (), nm.c_str ()); |
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131 |
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132 if (tmp) |
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133 { |
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134 int count = 0; |
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135 kpse_string *ptr = tmp; |
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136 while (*ptr++) |
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137 count++; |
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138 |
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139 retval.resize (count); |
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140 |
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141 for (int i = 0; i < count; i++) |
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142 retval[i] = tmp[i]; |
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143 } |
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144 } |
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145 |
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146 return retval; |
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147 } |
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148 |
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149 void |
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150 dir_path::set_program_name (const std::string& nm) |
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151 { |
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152 kpse_set_progname (nm.c_str ()); |
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153 } |
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154 |
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155 void |
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156 dir_path::init (void) |
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157 { |
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158 if (! octave_kpathsea_initialized) |
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159 { |
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160 char *s = getenv ("KPATHSEA_DEBUG"); |
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161 |
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162 if (s) |
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163 kpathsea_debug |= atoi (s); |
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164 |
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165 octave_kpathsea_initialized = true; |
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166 } |
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167 |
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168 kpse_clear_dir_cache (); |
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169 |
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170 char *t1 = 0; |
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171 |
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172 if (p_default.empty ()) |
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173 t1 = kpse_path_expand (p_orig.c_str ()); |
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174 else |
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175 { |
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176 char *t2 = kpse_expand_default (p_orig.c_str (), p_default.c_str ()); |
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177 |
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178 t1 = kpse_path_expand (t2); |
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179 |
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180 if (t2) |
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181 free (t2); |
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182 } |
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183 |
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184 if (t1) |
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185 { |
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186 p = t1; |
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187 free (t1); |
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188 } |
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189 else |
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190 p = std::string (); |
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191 |
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192 int count = 0; |
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193 char *path_elt = kpse_path_element (p.c_str ()); |
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194 while (path_elt) |
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195 { |
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196 path_elt = kpse_path_element (0); |
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197 count++; |
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198 } |
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199 |
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200 pv.resize (count); |
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201 |
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202 path_elt = kpse_path_element (p.c_str ()); |
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203 |
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204 for (int i = 0; i < count; i++) |
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205 { |
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206 pv[i] = path_elt; |
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207 path_elt = kpse_path_element (0); |
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208 } |
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209 |
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210 initialized = true; |
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211 } |
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212 |
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213 /* |
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214 ;;; Local Variables: *** |
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215 ;;; mode: C++ *** |
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216 ;;; End: *** |
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217 */ |
