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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-kpse.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 static bool octave_kpathsea_initialized = false; |
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38 |
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39 string_vector |
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40 dir_path::elements (void) |
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41 { |
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42 return initialized ? pv : string_vector (); |
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43 } |
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44 |
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45 string_vector |
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46 dir_path::all_directories (void) |
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47 { |
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48 int count = 0; |
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49 string_vector retval; |
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50 |
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51 if (initialized) |
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52 { |
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53 int len = pv.length (); |
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54 |
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55 int nmax = len > 32 ? len : 32; |
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56 |
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57 retval.resize (len); |
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58 |
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59 for (int i = 0; i < len; i++) |
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60 { |
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61 str_llist_type *elt_dirs |
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62 = ::octave_kpse_element_dirs (pv[i].c_str ()); |
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63 |
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64 if (elt_dirs) |
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65 { |
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66 str_llist_elt_type *dir; |
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67 |
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68 for (dir = *elt_dirs; dir; dir = STR_LLIST_NEXT (*dir)) |
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69 { |
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70 char *elt_dir = STR_LLIST (*dir); |
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71 |
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72 if (elt_dir) |
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73 { |
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74 if (count == nmax) |
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75 nmax *= 2; |
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76 |
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77 retval.resize (nmax); |
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78 |
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79 retval[count++] = elt_dir; |
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80 } |
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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 retval.resize (count); |
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86 } |
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87 |
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88 return retval; |
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89 } |
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90 |
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91 std::string |
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92 dir_path::find_first (const std::string& nm) |
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93 { |
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94 std::string retval; |
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95 |
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96 if (initialized) |
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97 { |
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98 char *tmp = ::octave_kpse_path_search (p.c_str (), nm.c_str (), true); |
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99 if (tmp) |
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100 { |
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101 retval = tmp; |
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102 free (tmp); |
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103 } |
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104 } |
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105 |
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106 return retval; |
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107 } |
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108 |
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109 string_vector |
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110 dir_path::find_all (const std::string& nm) |
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111 { |
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112 string_vector retval; |
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113 |
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114 if (initialized) |
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115 { |
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116 char **tmp = ::octave_kpse_all_path_search (p.c_str (), nm.c_str ()); |
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117 |
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118 if (tmp) |
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119 { |
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120 int count = 0; |
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121 char **ptr = tmp; |
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122 while (*ptr++) |
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123 count++; |
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124 |
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125 retval.resize (count); |
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126 |
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127 for (int i = 0; i < count; i++) |
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128 retval[i] = tmp[i]; |
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129 } |
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130 } |
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131 |
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132 return retval; |
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133 } |
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134 |
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135 void |
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136 dir_path::set_program_name (const std::string& nm) |
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137 { |
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138 ::octave_kpse_set_progname (nm.c_str ()); |
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139 } |
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140 |
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141 void |
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142 dir_path::init (void) |
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143 { |
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144 if (! octave_kpathsea_initialized) |
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145 { |
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146 char *s = getenv ("KPATHSEA_DEBUG"); |
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147 |
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148 if (s) |
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149 kpathsea_debug |= atoi (s); |
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150 |
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151 octave_kpathsea_initialized = true; |
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152 } |
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153 |
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154 ::octave_kpse_clear_dir_cache (); |
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155 |
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156 char *t1 = 0; |
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157 |
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158 if (p_default.empty ()) |
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159 t1 = ::octave_kpse_path_expand (p_orig.c_str ()); |
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160 else |
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161 { |
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162 char *t2 |
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163 = ::octave_kpse_expand_default (p_orig.c_str (), p_default.c_str ()); |
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164 |
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165 t1 = ::octave_kpse_path_expand (t2); |
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166 |
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167 if (t2) |
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168 free (t2); |
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169 } |
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170 |
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171 if (t1) |
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172 { |
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173 p = t1; |
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174 free (t1); |
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175 } |
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176 else |
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177 p = std::string (); |
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178 |
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179 int count = 0; |
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180 char *path_elt = ::octave_kpse_path_element (p.c_str ()); |
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181 while (path_elt) |
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182 { |
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183 path_elt = ::octave_kpse_path_element (0); |
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184 count++; |
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185 } |
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186 |
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187 pv.resize (count); |
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188 |
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189 path_elt = ::octave_kpse_path_element (p.c_str ()); |
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190 |
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191 for (int i = 0; i < count; i++) |
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192 { |
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193 pv[i] = path_elt; |
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194 path_elt = ::octave_kpse_path_element (0); |
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195 } |
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196 |
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197 initialized = true; |
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198 } |
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199 |
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200 /* |
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201 ;;; Local Variables: *** |
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202 ;;; mode: C++ *** |
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203 ;;; End: *** |
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204 */ |
