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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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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28 #include <cstdlib> |
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29 |
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30 #include <iostream> |
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31 #include <string> |
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32 |
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33 #ifdef HAVE_UNISTD_H |
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2442
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34 #ifdef HAVE_SYS_TYPES_H |
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35 #include <sys/types.h> |
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36 #endif |
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37 #include <unistd.h> |
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38 #endif |
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39 |
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40 #include "dir-ops.h" |
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2926
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41 #include "oct-env.h" |
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4217
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42 #include "file-stat.h" |
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3174
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43 #include "pathsearch.h" |
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4217
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44 #include "str-vec.h" |
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2926
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45 |
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2492
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46 #include <defaults.h> |
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2203
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47 #include "defun.h" |
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48 #include "error.h" |
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3040
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49 #include "file-ops.h" |
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50 #include "gripes.h" |
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51 #include "help.h" |
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52 #include "input.h" |
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3185
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53 #include "oct-obj.h" |
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2390
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54 #include "ov.h" |
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4217
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55 #include "parse.h" |
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56 #include "toplev.h" |
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4217
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57 #include "unwind-prot.h" |
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58 #include "variables.h" |
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2492
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59 #include <version.h> |
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60 |
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61 std::string Voctave_home; |
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62 |
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63 std::string Vbin_dir; |
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64 std::string Vinfo_dir; |
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65 std::string Vdata_dir; |
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66 std::string Vlibexec_dir; |
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67 std::string Varch_lib_dir; |
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68 std::string Vlocal_arch_lib_dir; |
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69 std::string Vlocal_ver_arch_lib_dir; |
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70 |
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71 std::string Vlocal_ver_oct_file_dir; |
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72 std::string Vlocal_api_oct_file_dir; |
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73 std::string Vlocal_oct_file_dir; |
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74 |
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75 std::string Vlocal_ver_fcn_file_dir; |
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76 std::string Vlocal_api_fcn_file_dir; |
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77 std::string Vlocal_fcn_file_dir; |
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78 |
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79 std::string Voct_file_dir; |
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80 std::string Vfcn_file_dir; |
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81 |
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82 std::string Vimage_dir; |
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83 |
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84 // The path that will be searched for programs that we execute. |
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85 // (--exec-path path) |
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86 static std::string VEXEC_PATH; |
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87 |
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88 // Load path specified on command line. |
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89 // (--path path; -p path) |
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90 static std::string VLOADPATH; |
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91 |
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3192
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92 // The default load path with OCTAVE_HOME appropriately substituted. |
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93 static std::string VDEFAULT_LOADPATH; |
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94 |
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95 // And the cached directory path corresponding to Vload_path. |
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96 dir_path Vload_path_dir_path; |
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97 |
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98 // Name of the editor to be invoked by the edit_history command. |
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99 std::string VEDITOR; |
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100 |
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101 static std::string VIMAGE_PATH; |
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102 |
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103 std::string Vlocal_site_defaults_file; |
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104 std::string Vsite_defaults_file; |
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105 |
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4776
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106 // Name of the FFTW wisdom program. |
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107 std::string Vfftw_wisdom_program; |
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108 |
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109 // Each element of A and B should be directory names. For each |
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110 // element of A not in the list B, execute SCRIPT_FILE in that |
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111 // directory if it exists. |
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112 |
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113 static void |
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114 maybe_add_or_del_packages (const string_vector& a, |
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115 const string_vector& b, |
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4247
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116 const std::string& script_file) |
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4217
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117 { |
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118 if (! octave_interpreter_ready) |
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119 return; |
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120 |
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121 unwind_protect::begin_frame ("maybe_add_or_del_packages"); |
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122 |
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123 unwind_protect_bool (input_from_startup_file); |
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124 |
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125 input_from_startup_file = true; |
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126 |
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5275
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127 octave_idx_type a_len = a.length (); |
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128 octave_idx_type b_len = b.length (); |
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129 |
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130 for (octave_idx_type i = 0; i < a_len; i++) |
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131 { |
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132 std::string a_dir = a[i]; |
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133 |
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134 bool found = false; |
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135 |
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136 for (octave_idx_type j = 0; j < b_len; j++) |
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137 { |
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138 if (b[j] == a_dir) |
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139 { |
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140 found = true; |
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141 break; |
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142 } |
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143 } |
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144 |
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145 if (! found) |
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146 { |
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147 std::string file = a_dir + file_ops::dir_sep_str + script_file; |
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148 |
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149 file_stat fs = file_stat (file); |
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150 |
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151 if (fs.exists ()) |
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152 source_file (file); |
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153 |
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154 if (error_state) |
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155 return; |
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156 } |
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157 } |
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158 |
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159 unwind_protect::run_frame ("maybe_add_or_del_packages"); |
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160 } |
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161 |
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162 static void |
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163 update_load_path_dir_path (void) |
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164 { |
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165 string_vector old_dirs = Vload_path_dir_path.all_directories (); |
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166 |
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167 Vload_path_dir_path = dir_path (VLOADPATH, ""); |
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168 |
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169 string_vector new_dirs = Vload_path_dir_path.all_directories (); |
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170 |
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171 maybe_add_or_del_packages (old_dirs, new_dirs, "PKG_DEL"); |
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172 |
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173 if (! error_state) |
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174 maybe_add_or_del_packages (new_dirs, old_dirs, "PKG_ADD"); |
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175 } |
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176 |
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177 void |
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178 execute_default_pkg_add_files (void) |
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179 { |
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180 string_vector old_dirs; |
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181 string_vector new_dirs = Vload_path_dir_path.all_directories (); |
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182 |
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183 maybe_add_or_del_packages (new_dirs, old_dirs, "PKG_ADD"); |
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184 } |
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185 |
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3535
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186 static std::string |
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187 subst_octave_home (const std::string& s) |
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188 { |
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189 std::string retval; |
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190 |
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191 std::string prefix = OCTAVE_PREFIX; |
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192 |
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193 retval = s; |
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194 |
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195 if (Voctave_home != prefix) |
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196 { |
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197 octave_idx_type len = prefix.length (); |
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198 size_t start = 0; |
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199 while ((start = retval.find (prefix, start)) != NPOS) |
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200 { |
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201 retval.replace (start, len, Voctave_home); |
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202 start += len; |
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2203
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203 } |
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204 } |
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205 |
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206 return retval; |
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207 } |
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208 |
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209 static void |
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210 set_octave_home (void) |
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211 { |
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212 std::string oh = octave_env::getenv ("OCTAVE_HOME"); |
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213 |
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214 Voctave_home = oh.empty () ? std::string (OCTAVE_PREFIX) : oh; |
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215 } |
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216 |
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217 static void |
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218 set_default_info_dir (void) |
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219 { |
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220 Vinfo_dir = subst_octave_home (OCTAVE_INFODIR); |
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221 } |
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222 |
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223 static void |
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224 set_default_data_dir (void) |
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225 { |
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226 Vdata_dir = subst_octave_home (OCTAVE_DATADIR); |
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227 } |
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228 |
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229 static void |
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230 set_default_libexec_dir (void) |
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231 { |
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232 Vlibexec_dir = subst_octave_home (OCTAVE_LIBEXECDIR); |
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233 } |
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234 |
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235 static void |
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236 set_default_arch_lib_dir (void) |
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237 { |
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238 Varch_lib_dir = subst_octave_home (OCTAVE_ARCHLIBDIR); |
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239 } |
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240 |
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241 static void |
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2439
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242 set_default_local_arch_lib_dir (void) |
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243 { |
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244 Vlocal_arch_lib_dir = subst_octave_home (OCTAVE_LOCALARCHLIBDIR); |
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245 } |
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246 |
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247 static void |
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248 set_default_local_ver_arch_lib_dir (void) |
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249 { |
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250 Vlocal_ver_arch_lib_dir = subst_octave_home (OCTAVE_LOCALVERARCHLIBDIR); |
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251 } |
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252 |
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253 static void |
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254 set_default_local_ver_oct_file_dir (void) |
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255 { |
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256 Vlocal_ver_oct_file_dir = subst_octave_home (OCTAVE_LOCALVEROCTFILEDIR); |
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257 } |
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258 |
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259 static void |
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260 set_default_local_api_oct_file_dir (void) |
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261 { |
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262 Vlocal_api_oct_file_dir = subst_octave_home (OCTAVE_LOCALAPIOCTFILEDIR); |
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263 } |
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264 |
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265 static void |
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266 set_default_local_oct_file_dir (void) |
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267 { |
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268 Vlocal_oct_file_dir = subst_octave_home (OCTAVE_LOCALOCTFILEDIR); |
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269 } |
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270 |
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271 static void |
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272 set_default_local_ver_fcn_file_dir (void) |
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273 { |
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274 Vlocal_ver_fcn_file_dir = subst_octave_home (OCTAVE_LOCALVERFCNFILEDIR); |
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275 } |
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276 |
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277 static void |
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278 set_default_local_api_fcn_file_dir (void) |
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279 { |
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280 Vlocal_api_fcn_file_dir = subst_octave_home (OCTAVE_LOCALAPIFCNFILEDIR); |
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281 } |
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282 |
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283 static void |
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284 set_default_local_fcn_file_dir (void) |
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285 { |
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286 Vlocal_fcn_file_dir = subst_octave_home (OCTAVE_LOCALFCNFILEDIR); |
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287 } |
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288 |
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289 static void |
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290 set_default_fcn_file_dir (void) |
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291 { |
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292 Vfcn_file_dir = subst_octave_home (OCTAVE_FCNFILEDIR); |
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293 } |
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294 |
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295 static void |
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5814
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296 set_default_image_dir (void) |
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297 { |
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298 Vimage_dir = subst_octave_home (OCTAVE_IMAGEDIR); |
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299 } |
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300 |
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301 static void |
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5397
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302 set_default_oct_file_dir (void) |
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303 { |
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304 Voct_file_dir = subst_octave_home (OCTAVE_OCTFILEDIR); |
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305 } |
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306 |
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307 static void |
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2203
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308 set_default_bin_dir (void) |
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309 { |
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310 Vbin_dir = subst_octave_home (OCTAVE_BINDIR); |
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311 } |
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312 |
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5814
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313 void |
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314 set_exec_path (const std::string& path) |
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315 { |
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5814
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316 VEXEC_PATH = Vlocal_ver_arch_lib_dir + dir_path::path_sep_str |
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317 + Vlocal_arch_lib_dir + dir_path::path_sep_str |
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318 + Varch_lib_dir + dir_path::path_sep_str |
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319 + Vbin_dir; |
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5814
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320 |
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321 // This is static so that even if set_exec_path is called more than |
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322 // once, shell_path is the original PATH from the environment, |
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323 // before we start modifying it. |
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324 static std::string shell_path = octave_env::getenv ("PATH"); |
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325 |
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326 if (! shell_path.empty ()) |
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327 VEXEC_PATH += dir_path::path_sep_str + shell_path; |
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328 |
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329 std::string tpath = path; |
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330 |
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331 if (tpath.empty ()) |
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332 tpath = octave_env::getenv ("OCTAVE_EXEC_PATH"); |
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333 |
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334 if (! tpath.empty ()) |
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335 VEXEC_PATH = tpath + dir_path::path_sep_str + VEXEC_PATH; |
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336 |
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337 octave_env::putenv ("PATH", VEXEC_PATH); |
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338 } |
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339 |
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340 static std::string |
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341 genpath (const std::string& dirname) |
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342 { |
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343 std::string retval; |
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344 |
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345 std::string full_dirname = file_ops::tilde_expand (dirname); |
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346 |
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347 dir_entry dir (full_dirname); |
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348 |
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349 if (dir) |
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350 { |
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351 retval = dirname; |
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352 |
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353 string_vector dirlist = dir.read (); |
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354 |
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355 octave_idx_type len = dirlist.length (); |
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356 |
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357 for (octave_idx_type i = 0; i < len; i++) |
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358 { |
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359 std::string elt = dirlist[i]; |
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360 |
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361 if (elt != "." && elt != ".." && elt != "private") |
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362 { |
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363 std::string nm = full_dirname + file_ops::dir_sep_str + elt; |
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364 |
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365 file_stat fs (nm); |
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366 |
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367 if (fs && fs.is_dir ()) |
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368 retval += dir_path::path_sep_str + genpath (nm); |
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369 } |
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370 } |
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371 } |
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372 |
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373 return retval; |
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4447
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374 } |
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375 |
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376 static void |
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5814
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377 maybe_add_path_elts (std::string& pathvar, const std::string& dir) |
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2203
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378 { |
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5814
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379 std::string tpath = genpath (dir); |
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2203
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380 |
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5814
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381 if (! tpath.empty ()) |
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382 pathvar += dir_path::path_sep_str + tpath; |
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2203
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383 } |
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384 |
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5814
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385 void |
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386 set_load_path (const std::string& path) |
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2203
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387 { |
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5814
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388 VDEFAULT_LOADPATH = ":"; |
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389 |
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390 maybe_add_path_elts (VDEFAULT_LOADPATH, Vlocal_ver_oct_file_dir); |
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391 maybe_add_path_elts (VDEFAULT_LOADPATH, Vlocal_api_oct_file_dir); |
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392 maybe_add_path_elts (VDEFAULT_LOADPATH, Vlocal_oct_file_dir); |
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393 maybe_add_path_elts (VDEFAULT_LOADPATH, Vlocal_ver_fcn_file_dir); |
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394 maybe_add_path_elts (VDEFAULT_LOADPATH, Vlocal_api_fcn_file_dir); |
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395 maybe_add_path_elts (VDEFAULT_LOADPATH, Vlocal_fcn_file_dir); |
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396 maybe_add_path_elts (VDEFAULT_LOADPATH, Voct_file_dir); |
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397 maybe_add_path_elts (VDEFAULT_LOADPATH, Vfcn_file_dir); |
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2203
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398 |
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5814
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399 std::string tpath = path; |
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400 |
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401 if (tpath.empty ()) |
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402 tpath = octave_env::getenv ("OCTAVE_LOADPATH"); |
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2203
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403 |
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5814
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404 VLOADPATH = "."; |
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405 |
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406 if (! tpath.empty ()) |
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407 VLOADPATH += dir_path::path_sep_str + tpath; |
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408 |
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409 if (VDEFAULT_LOADPATH != ":") |
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410 VLOADPATH += VDEFAULT_LOADPATH; |
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3174
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411 |
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4217
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412 update_load_path_dir_path (); |
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2203
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413 } |
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414 |
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5814
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415 void |
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416 set_image_path (const std::string& path) |
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417 { |
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418 VIMAGE_PATH = "."; |
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419 |
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420 std::string tpath = path; |
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421 |
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422 if (tpath.empty ()) |
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423 tpath = octave_env::getenv ("OCTAVE_IMAGE_PATH"); |
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424 |
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425 if (! tpath.empty ()) |
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426 VIMAGE_PATH += dir_path::path_sep_str + tpath; |
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427 |
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428 maybe_add_path_elts (VIMAGE_PATH, Vimage_dir); |
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429 } |
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430 |
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2203
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431 static void |
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432 set_default_info_file (void) |
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433 { |
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3523
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434 std::string std_info_file = subst_octave_home (OCTAVE_INFOFILE); |
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2512
|
435 |
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3523
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436 std::string oct_info_file = octave_env::getenv ("OCTAVE_INFO_FILE"); |
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2203
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437 |
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2926
|
438 Vinfo_file = oct_info_file.empty () ? std_info_file : oct_info_file; |
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2203
|
439 } |
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440 |
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441 static void |
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442 set_default_info_prog (void) |
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443 { |
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3523
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444 std::string oct_info_prog = octave_env::getenv ("OCTAVE_INFO_PROGRAM"); |
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2203
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445 |
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2926
|
446 if (oct_info_prog.empty ()) |
|
5794
|
447 Vinfo_program = "info"; |
|
2926
|
448 else |
|
5794
|
449 Vinfo_program = std::string (oct_info_prog); |
|
2203
|
450 } |
|
|
451 |
|
4773
|
452 static void |
|
4776
|
453 set_default_fftw_wisdom_prog (void) |
|
4773
|
454 { |
|
4776
|
455 std::string oct_wisdom_prog = octave_env::getenv ("OCTAVE_FFTW_WISDOM_PROGRAM"); |
|
4773
|
456 |
|
|
457 if (oct_wisdom_prog.empty ()) |
|
5794
|
458 Vfftw_wisdom_program = "fftw-wisdom"; |
|
4773
|
459 else |
|
5794
|
460 Vfftw_wisdom_program = std::string (oct_wisdom_prog); |
|
4773
|
461 } |
|
|
462 |
|
2203
|
463 static void |
|
|
464 set_default_editor (void) |
|
|
465 { |
|
5794
|
466 VEDITOR = "emacs"; |
|
2203
|
467 |
|
3523
|
468 std::string env_editor = octave_env::getenv ("EDITOR"); |
|
2203
|
469 |
|
2926
|
470 if (! env_editor.empty ()) |
|
5794
|
471 VEDITOR = env_editor; |
|
2203
|
472 } |
|
|
473 |
|
|
474 static void |
|
|
475 set_local_site_defaults_file (void) |
|
|
476 { |
|
5781
|
477 std::string lsf = octave_env::getenv ("OCTAVE_LOCAL_SITE_INITFILE"); |
|
|
478 |
|
|
479 if (lsf.empty ()) |
|
|
480 { |
|
|
481 Vlocal_site_defaults_file = subst_octave_home (OCTAVE_LOCALSTARTUPFILEDIR); |
|
|
482 Vlocal_site_defaults_file.append ("/octaverc"); |
|
|
483 } |
|
|
484 else |
|
|
485 Vlocal_site_defaults_file = lsf; |
|
2203
|
486 } |
|
|
487 |
|
|
488 static void |
|
|
489 set_site_defaults_file (void) |
|
|
490 { |
|
5781
|
491 std::string sf = octave_env::getenv ("OCTAVE_SITE_INITFILE"); |
|
|
492 |
|
|
493 if (sf.empty ()) |
|
|
494 { |
|
|
495 Vsite_defaults_file = subst_octave_home (OCTAVE_STARTUPFILEDIR); |
|
|
496 Vsite_defaults_file.append ("/octaverc"); |
|
|
497 } |
|
|
498 else |
|
|
499 Vsite_defaults_file = sf; |
|
2203
|
500 } |
|
|
501 |
|
|
502 void |
|
|
503 install_defaults (void) |
|
|
504 { |
|
|
505 // OCTAVE_HOME must be set first! |
|
|
506 |
|
|
507 set_octave_home (); |
|
|
508 |
|
|
509 set_default_info_dir (); |
|
|
510 |
|
3141
|
511 set_default_data_dir (); |
|
|
512 |
|
|
513 set_default_libexec_dir (); |
|
|
514 |
|
2203
|
515 set_default_arch_lib_dir (); |
|
|
516 |
|
2439
|
517 set_default_local_arch_lib_dir (); |
|
|
518 |
|
3597
|
519 set_default_local_ver_arch_lib_dir (); |
|
|
520 |
|
5814
|
521 set_default_local_ver_oct_file_dir (); |
|
|
522 set_default_local_api_oct_file_dir (); |
|
|
523 set_default_local_oct_file_dir (); |
|
2203
|
524 |
|
5814
|
525 set_default_local_ver_fcn_file_dir (); |
|
|
526 set_default_local_api_fcn_file_dir (); |
|
|
527 set_default_local_fcn_file_dir (); |
|
|
528 |
|
|
529 set_default_fcn_file_dir (); |
|
5397
|
530 set_default_oct_file_dir (); |
|
|
531 |
|
5814
|
532 set_default_image_dir (); |
|
|
533 |
|
2203
|
534 set_default_bin_dir (); |
|
|
535 |
|
5814
|
536 set_exec_path (); |
|
4447
|
537 |
|
5814
|
538 set_load_path (); |
|
2203
|
539 |
|
5814
|
540 set_image_path (); |
|
2203
|
541 |
|
|
542 set_default_info_file (); |
|
|
543 |
|
|
544 set_default_info_prog (); |
|
|
545 |
|
4776
|
546 set_default_fftw_wisdom_prog (); |
|
4773
|
547 |
|
2203
|
548 set_default_editor (); |
|
|
549 |
|
|
550 set_local_site_defaults_file (); |
|
|
551 |
|
|
552 set_site_defaults_file (); |
|
|
553 } |
|
|
554 |
|
5814
|
555 DEFUN (genpath, args, , |
|
|
556 "-*- texinfo -*-\n\ |
|
|
557 @deftypefn {Built-in Function} {} genpath (@var{dir})\n\ |
|
|
558 Return a path constructed from @var{dir} and all its subdiretories.\n\ |
|
|
559 @end deftypefn") |
|
|
560 { |
|
|
561 octave_value retval; |
|
|
562 |
|
|
563 if (args.length () == 1) |
|
|
564 { |
|
|
565 std::string dirname = args(0).string_value (); |
|
|
566 |
|
|
567 if (! error_state) |
|
|
568 retval = genpath (dirname); |
|
|
569 else |
|
|
570 error ("genpath: expecting argument to be a character string"); |
|
|
571 } |
|
|
572 else |
|
5823
|
573 print_usage (); |
|
5814
|
574 |
|
|
575 return retval; |
|
|
576 } |
|
|
577 |
|
4264
|
578 DEFUN (rehash, , , |
|
|
579 "-*- texinfo -*-\n\ |
|
|
580 @deftypefn {Built-in Function} {} rehash ()\n\ |
|
|
581 Reinitialize Octave's @code{LOADPATH} directory cache.\n\ |
|
|
582 @end deftypefn") |
|
|
583 { |
|
|
584 octave_value_list retval; |
|
|
585 |
|
|
586 Vload_path_dir_path.rehash (); |
|
|
587 |
|
|
588 return retval; |
|
|
589 } |
|
|
590 |
|
5794
|
591 DEFUN (EDITOR, args, nargout, |
|
|
592 "-*- texinfo -*-\n\ |
|
|
593 @deftypefn {Built-in Function} {@var{val} =} EDITOR ()\n\ |
|
|
594 @deftypefnx {Built-in Function} {@var{old_val} =} EDITOR (@var{new_val})\n\ |
|
|
595 Query or set the internal variable that specifies the editor to\n\ |
|
|
596 use with the @code{edit_history} command. If the environment\n\ |
|
|
597 variable @code{EDITOR} is set when Octave starts, its\n\ |
|
|
598 value is used as the default. Otherwise, @code{EDITOR} is set to\n\ |
|
|
599 @code{\"emacs\"}.\n\ |
|
|
600 @seealso{edit_history}\n\ |
|
|
601 @end deftypefn") |
|
2203
|
602 { |
|
5794
|
603 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (EDITOR); |
|
2203
|
604 } |
|
|
605 |
|
5794
|
606 DEFUN (EXEC_PATH, args, nargout, |
|
|
607 "-*- texinfo -*-\n\ |
|
|
608 @deftypefn {Built-in Function} {@var{val} =} EXEC_PATH ()\n\ |
|
|
609 @deftypefnx {Built-in Function} {@var{old_val} =} EXEC_PATH (@var{new_val})\n\ |
|
|
610 Query or set the internal variable that specifies a colon separated\n\ |
|
|
611 list of directories to search when executing external programs.\n\ |
|
|
612 Its initial value is taken from the environment variable\n\ |
|
|
613 @code{OCTAVE_EXEC_PATH} (if it exists) or @code{PATH}, but that\n\ |
|
|
614 value can be overridden by the command line argument\n\ |
|
5814
|
615 @code{--exec-path PATH}. At startup, an additional set of\n\ |
|
|
616 directories (including the shell PATH) is appended to the path\n\ |
|
|
617 specified in the environment or on the command line. If you use\n\ |
|
|
618 the @code{EXEC_PATH} function to modify the path, you should take\n\ |
|
|
619 care to preserve these additional directories.\n\ |
|
5794
|
620 @end deftypefn") |
|
4217
|
621 { |
|
5794
|
622 std::string saved_exec_path = VEXEC_PATH; |
|
4217
|
623 |
|
5794
|
624 octave_value retval = SET_NONEMPTY_INTERNAL_STRING_VARIABLE (EXEC_PATH); |
|
4217
|
625 |
|
5794
|
626 if (VEXEC_PATH != saved_exec_path) |
|
5814
|
627 octave_env::putenv ("PATH", VEXEC_PATH); |
|
2203
|
628 |
|
5794
|
629 return retval; |
|
2203
|
630 } |
|
|
631 |
|
5794
|
632 DEFUN (fftw_wisdom_program, args, nargout, |
|
3301
|
633 "-*- texinfo -*-\n\ |
|
5794
|
634 @deftypefn {Built-in Function} {@var{val} =} FFTW_WISDOM_PROGRAM ()\n\ |
|
|
635 @deftypefnx {Built-in Function} {@var{old_val} =} FFTW_WISDOM_PROGRAM (@var{new_val})\n\ |
|
|
636 Query or set the internal variable that specifies the FFTW wisdom\n\ |
|
|
637 program to use to create wisdom data to accelerate Fourier transforms.\n\ |
|
|
638 If the environment variable @code{OCTAVE_WISDOM_PROGRAM} is set when\n\ |
|
|
639 Octave starts, its value is used as the default. Otherwise,\n\ |
|
|
640 @code{WISDOM_PROGRAM} is set to @code{\"fftw-wisdom\"}.\n\ |
|
|
641 @end deftypefn") |
|
|
642 { |
|
|
643 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (fftw_wisdom_program); |
|
|
644 } |
|
2203
|
645 |
|
5814
|
646 DEFUN (IMAGE_PATH, args, nargout, |
|
5794
|
647 "-*- texinfo -*-\n\ |
|
5814
|
648 @deftypefn {Built-in Function} {@var{val} =} IMAGE_PATH ()\n\ |
|
|
649 @deftypefnx {Built-in Function} {@var{old_val} =} IMAGE_PATH (@var{new_val})\n\ |
|
5794
|
650 Query or set the internal variable that specifies a colon separated\n\ |
|
|
651 list of directories in which to search for image files.\n\ |
|
|
652 @end deftypefn") |
|
|
653 { |
|
5814
|
654 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (IMAGE_PATH); |
|
5794
|
655 } |
|
|
656 |
|
5814
|
657 DEFUN (path, args, nargout, |
|
3371
|
658 "-*- texinfo -*-\n\ |
|
5814
|
659 @deftypefn {Function File} {} path (@dots{})\n\ |
|
|
660 Modify or display Octave's @code{LOADPATH}.\n\ |
|
3371
|
661 \n\ |
|
5814
|
662 If @var{nargin} and @var{nargout} are zero, display the elements of\n\ |
|
|
663 Octave's @code{LOADPATH} in an easy to read format.\n\ |
|
3371
|
664 \n\ |
|
5814
|
665 If @var{nargin} is zero and nargout is greater than zero, return the\n\ |
|
|
666 current value of @code{LOADPATH}.\n\ |
|
3371
|
667 \n\ |
|
5814
|
668 If @var{nargin} is greater than zero, concatenate the arguments,\n\ |
|
|
669 separating them with @code{pathsep()}. Set the internal search path\n\ |
|
|
670 to the result and return it.\n\ |
|
3371
|
671 \n\ |
|
5814
|
672 No checks are made for duplicate elements.\n\ |
|
|
673 @seealso{addpath, rmpath, genpath, pathdef, savepath, pathsep}\n\ |
|
5794
|
674 @end deftypefn") |
|
|
675 { |
|
5814
|
676 octave_value retval; |
|
|
677 |
|
|
678 int argc = args.length () + 1; |
|
5794
|
679 |
|
5814
|
680 string_vector argv = args.make_argv ("path"); |
|
2203
|
681 |
|
5814
|
682 if (! error_state) |
|
5794
|
683 { |
|
5814
|
684 if (argc > 1) |
|
|
685 { |
|
|
686 std::string path = argv[1]; |
|
|
687 |
|
|
688 for (int i = 2; i < argc; i++) |
|
|
689 path += dir_path::path_sep_str; |
|
|
690 |
|
|
691 size_t plen = path.length (); |
|
|
692 |
|
|
693 if (! ((plen == 1 && path[0] == ':') |
|
|
694 || (plen > 1 |
|
|
695 && path.substr (0, 2) == ("." + dir_path::path_sep_str)))) |
|
|
696 path = "." + dir_path::path_sep_str + path; |
|
|
697 |
|
|
698 VLOADPATH = path; |
|
|
699 |
|
|
700 // By resetting the last prompt time variable, we will force |
|
|
701 // checks for out of date symbols even if the change to |
|
|
702 // LOADPATH and subsequent function calls happen between |
|
|
703 // prompts. |
|
5794
|
704 |
|
5814
|
705 // FIXME -- maybe we should rename |
|
|
706 // Vlast_prompt_time_stamp since the new usage doesn't really |
|
|
707 // fit with the current name? |
|
|
708 |
|
|
709 Vlast_prompt_time.stamp (); |
|
|
710 |
|
|
711 update_load_path_dir_path (); |
|
|
712 } |
|
5794
|
713 |
|
5814
|
714 if (nargout > 0) |
|
|
715 retval = VLOADPATH; |
|
|
716 else if (argc == 1 && nargout == 0) |
|
|
717 { |
|
|
718 octave_stdout << "\nOctave's search path contains the following directories:\n\n"; |
|
5794
|
719 |
|
5814
|
720 string_vector sv = Vload_path_dir_path.all_directories (); |
|
|
721 |
|
|
722 sv.list_in_columns (octave_stdout); |
|
|
723 |
|
|
724 octave_stdout << "\n"; |
|
|
725 } |
|
5794
|
726 } |
|
|
727 |
|
|
728 return retval; |
|
5780
|
729 } |
|
2203
|
730 |
|
5814
|
731 DEFUN (pathdef, , , |
|
5794
|
732 "-*- texinfo -*-\n\ |
|
|
733 @deftypefn {Built-in Function} {@var{val} =} DEFAULT_LOADPATH ()\n\ |
|
5814
|
734 Return the default list of directories in which to search for function\n\ |
|
|
735 files.\n\ |
|
5794
|
736 @seealso{LOADPATH}\n\ |
|
|
737 @end deftypefn") |
|
|
738 { |
|
5814
|
739 return octave_value (VDEFAULT_LOADPATH); |
|
5794
|
740 } |
|
|
741 |
|
5780
|
742 DEFUN (OCTAVE_HOME, args, , |
|
|
743 "-*- texinfo -*-\n\ |
|
|
744 @deftypefn {Built-in Function} {} OCTAVE_HOME ()\n\ |
|
|
745 Return the name of the top-level Octave installation directory.\n\ |
|
|
746 @end deftypefn") |
|
|
747 { |
|
|
748 octave_value retval; |
|
2831
|
749 |
|
5780
|
750 if (args.length () == 0) |
|
|
751 retval = Voctave_home; |
|
|
752 else |
|
5823
|
753 print_usage (); |
|
5780
|
754 |
|
|
755 return retval; |
|
5749
|
756 } |
|
3446
|
757 |
|
5749
|
758 DEFUNX ("OCTAVE_VERSION", FOCTAVE_VERSION, args, , |
|
|
759 "-*- texinfo -*-\n\ |
|
|
760 @deftypefn {Built-in Function} {} OCTAVE_VERSION ()\n\ |
|
|
761 Return the version number of Octave, as a string.\n\ |
|
|
762 @end deftypefn") |
|
|
763 { |
|
|
764 octave_value retval; |
|
|
765 |
|
|
766 int nargin = args.length (); |
|
|
767 |
|
|
768 if (nargin == 0) |
|
|
769 retval = OCTAVE_VERSION; |
|
|
770 else |
|
5823
|
771 print_usage (); |
|
5749
|
772 |
|
|
773 return retval; |
|
2203
|
774 } |
|
|
775 |
|
|
776 /* |
|
|
777 ;;; Local Variables: *** |
|
|
778 ;;; mode: C++ *** |
|
|
779 ;;; End: *** |
|
|
780 */ |
