Mercurial > hg > octave-lyh
annotate octave-config.cc.in @ 8586:31ab3b83bc8a
savepath: Respect cmd-line and env paths.
author | Ben Abbott <bpabbott@mac.com> |
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date | Sat, 24 Jan 2009 14:53:44 -0500 |
parents | 6a292b0fa88c |
children | eb63fbe60fab |
rev | line source |
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1 #if defined (HAVE_CONFIG_H) |
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2 #include <config.h> |
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3 #endif |
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4 |
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5 #include <string> |
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6 #include <map> |
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7 #include <iostream> |
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8 #include <algorithm> |
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9 #include <cstdlib> |
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10 |
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11 #if defined (__WIN32__) && ! defined (_POSIX_VERSION) |
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12 #include <windows.h> |
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13 #endif |
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14 |
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15 static bool initialized = false; |
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16 static std::map<std::string,std::string> vars; |
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17 static std::string OCTAVE_HOME, PREFIX; |
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18 static std::string usage_msg = "usage: octave-config [options]"; |
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19 static std::string help_msg = |
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20 "\n" |
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21 "Options:\n" |
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22 "\n" |
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23 " -h, -?, --help Print this message.\n" |
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24 "\n" |
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25 " --m-site-dir Print the name of the directory where Octave\n" |
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26 " expects to find locally installed .m files.\n" |
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27 "\n" |
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28 " --oct-site-dir Print the name of the directory where Octave\n" |
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29 " expects to find locally installed .oct files.\n" |
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30 "\n" |
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31 " -p VAR, --print VAR Print the value of the given configuration\n" |
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32 " variable VAR. Recognized variables are:\n" |
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33 "\n" |
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34 " API_VERSION LOCALAPIARCHLIBDIR\n" |
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35 " CANONICAL_HOST_TYPE LOCALAPIFCNFILEDIR\n" |
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36 " DEFAULT_PAGER LOCALAPIOCTFILEDIR\n" |
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37 " ARCHLIBDIR LOCALARCHLIBDIR\n" |
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38 " BINDIR LOCALFCNFILEDIR\n" |
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39 " DATADIR LOCALOCTFILEDIR\n" |
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40 " DATAROOTDIR LOCALSTARTUPFILEDIR\n" |
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41 " EXEC_PREFIX LOCALVERARCHLIBDIR\n" |
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42 " FCNFILEDIR LOCALVERFCNFILEDIR\n" |
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43 " LOCALVEROCTFILEDIR MAN1DIR\n" |
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44 " IMAGEDIR MANDIR\n" |
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45 " MAN1EXT OCTFILEDIR\n" |
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46 " INCLUDEDIR OCTINCLUDEDIR\n" |
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47 " INFODIR OCTLIBDIR\n" |
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48 " INFOFILE PREFIX\n" |
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49 " LIBDIR STARTUPFILEDIR\n" |
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50 " LIBEXECDIR VERSION\n" |
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51 "\n" |
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52 " -v, --version Print the Octave version number.\n" |
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53 "\n"; |
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54 |
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55 static std::string |
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56 substitute_prefix (const std::string& s, const std::string& prefix, |
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57 const std::string new_prefix) |
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58 { |
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59 std::string retval = s; |
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60 |
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61 if (!prefix.empty () && new_prefix != prefix) |
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62 { |
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63 int len = prefix.length (); |
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64 if (retval.find (prefix) == 0) |
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65 retval.replace (0, len, new_prefix); |
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66 } |
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67 |
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68 #if defined (__WIN32__) && ! defined (_POSIX_VERSION) |
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69 std::replace (retval.begin (), retval.end (), '/', '\\'); |
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70 #endif |
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71 |
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72 return retval; |
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73 } |
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74 |
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75 static void |
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76 initialize (void) |
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77 { |
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78 if (initialized) |
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79 return; |
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80 |
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81 initialized = true; |
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82 |
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83 const char *homestr = getenv ("OCTAVE_HOME"); |
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84 OCTAVE_HOME = (homestr ? homestr : ""); |
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85 PREFIX = %OCTAVE_PREFIX%; |
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86 |
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87 #if defined (__WIN32__) && ! defined (_POSIX_VERSION) |
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88 int n = 1024; |
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89 |
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90 std::string bin_dir (n, '\0'); |
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91 |
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92 while (true) |
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93 { |
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94 int status = GetModuleFileName (0, &bin_dir[0], n); |
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95 |
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96 if (status < n) |
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97 { |
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98 bin_dir.resize (status); |
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99 break; |
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100 } |
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101 else |
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102 { |
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103 n *= 2; |
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104 bin_dir.resize (n); |
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105 } |
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106 } |
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107 |
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108 if (! bin_dir.empty ()) |
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109 { |
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110 size_t pos = bin_dir.rfind ("\\bin\\"); |
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111 |
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112 if (pos != std::string::npos) |
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113 OCTAVE_HOME = bin_dir.substr (0, pos); |
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114 } |
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115 #endif |
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116 |
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117 vars["API_VERSION"] = %OCTAVE_API_VERSION%; |
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118 vars["CANONICAL_HOST_TYPE"] = %OCTAVE_CANONICAL_HOST_TYPE%; |
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119 vars["DEFAULT_PAGER"] = %OCTAVE_DEFAULT_PAGER%; |
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120 vars["ARCHLIBDIR"] = substitute_prefix (%OCTAVE_ARCHLIBDIR%, PREFIX, OCTAVE_HOME); |
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121 vars["BINDIR"] = substitute_prefix (%OCTAVE_BINDIR%, PREFIX, OCTAVE_HOME); |
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122 vars["DATADIR"] =substitute_prefix (%OCTAVE_DATADIR%, PREFIX, OCTAVE_HOME); |
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123 vars["DATAROOTDIR"] =substitute_prefix (%OCTAVE_DATAROOTDIR%, PREFIX, OCTAVE_HOME); |
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124 vars["EXEC_PREFIX"] =substitute_prefix (%OCTAVE_EXEC_PREFIX%, PREFIX, OCTAVE_HOME); |
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125 vars["FCNFILEDIR"] =substitute_prefix (%OCTAVE_FCNFILEDIR%, PREFIX, OCTAVE_HOME); |
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126 vars["IMAGEDIR"] =substitute_prefix (%OCTAVE_IMAGEDIR%, PREFIX, OCTAVE_HOME); |
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127 vars["INCLUDEDIR"] =substitute_prefix (%OCTAVE_INCLUDEDIR%, PREFIX, OCTAVE_HOME); |
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128 vars["INFODIR"] =substitute_prefix (%OCTAVE_INFODIR%, PREFIX, OCTAVE_HOME); |
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129 vars["INFOFILE"] =substitute_prefix (%OCTAVE_INFOFILE%, PREFIX, OCTAVE_HOME); |
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130 vars["LIBDIR"] =substitute_prefix (%OCTAVE_LIBDIR%, PREFIX, OCTAVE_HOME); |
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131 vars["LIBEXECDIR"] =substitute_prefix (%OCTAVE_LIBEXECDIR%, PREFIX, OCTAVE_HOME); |
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132 vars["LOCALAPIARCHLIBDIR"] =substitute_prefix (%OCTAVE_LOCALAPIARCHLIBDIR%, PREFIX, OCTAVE_HOME); |
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133 vars["LOCALAPIFCNFILEDIR"] =substitute_prefix (%OCTAVE_LOCALAPIFCNFILEDIR%, PREFIX, OCTAVE_HOME); |
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134 vars["LOCALAPIOCTFILEDIR"] =substitute_prefix (%OCTAVE_LOCALAPIOCTFILEDIR%, PREFIX, OCTAVE_HOME); |
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135 vars["LOCALARCHLIBDIR"] =substitute_prefix (%OCTAVE_LOCALARCHLIBDIR%, PREFIX, OCTAVE_HOME); |
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136 vars["LOCALFCNFILEDIR"] =substitute_prefix (%OCTAVE_LOCALFCNFILEDIR%, PREFIX, OCTAVE_HOME); |
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137 vars["LOCALOCTFILEDIR"] =substitute_prefix (%OCTAVE_LOCALOCTFILEDIR%, PREFIX, OCTAVE_HOME); |
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138 vars["LOCALSTARTUPFILEDIR"] =substitute_prefix (%OCTAVE_LOCALSTARTUPFILEDIR%, PREFIX, OCTAVE_HOME); |
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139 vars["LOCALVERARCHLIBDIR"] =substitute_prefix (%OCTAVE_LOCALVERARCHLIBDIR%, PREFIX, OCTAVE_HOME); |
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140 vars["LOCALVERFCNFILEDIR"] =substitute_prefix (%OCTAVE_LOCALVERFCNFILEDIR%, PREFIX, OCTAVE_HOME); |
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141 vars["LOCALVEROCTFILEDIR"] =substitute_prefix (%OCTAVE_LOCALVEROCTFILEDIR%, PREFIX, OCTAVE_HOME); |
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142 vars["MAN1DIR"] =substitute_prefix (%OCTAVE_MAN1DIR%, PREFIX, OCTAVE_HOME); |
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143 vars["MAN1EXT"] = %OCTAVE_MAN1EXT%; |
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144 vars["MANDIR"] =substitute_prefix (%OCTAVE_MANDIR%, PREFIX, OCTAVE_HOME); |
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145 vars["OCTFILEDIR"] =substitute_prefix (%OCTAVE_OCTFILEDIR%, PREFIX, OCTAVE_HOME); |
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146 vars["OCTINCLUDEDIR"] =substitute_prefix (%OCTAVE_OCTINCLUDEDIR%, PREFIX, OCTAVE_HOME); |
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147 vars["OCTLIBDIR"] =substitute_prefix (%OCTAVE_OCTLIBDIR%, PREFIX, OCTAVE_HOME); |
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148 vars["PREFIX"] = (OCTAVE_HOME.empty() ? PREFIX : OCTAVE_HOME); |
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149 vars["STARTUPFILEDIR"] =substitute_prefix (%OCTAVE_STARTUPFILEDIR%, PREFIX, OCTAVE_HOME); |
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150 vars["VERSION"] = %OCTAVE_VERSION%; |
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151 } |
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152 |
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153 int |
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154 main (int argc, char **argv) |
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155 { |
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156 initialize (); |
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157 |
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158 if (argc == 1) |
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159 { |
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160 std::cout << usage_msg << std::endl; |
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161 return 1; |
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162 } |
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163 |
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164 for (int i = 1; i < argc; i++) |
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165 { |
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166 std::string arg (argv[i]); |
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167 |
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168 if (arg == "-h" || arg == "-?" || arg == "--help") |
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169 { |
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170 std::cout << usage_msg << std::endl; |
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171 std::cout << help_msg; |
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172 return 0; |
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173 } |
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174 else if (arg == "--m-site-dir") |
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175 std::cout << vars["LOCALVERFCNFILEDIR"] << std::endl; |
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176 else if (arg == "--oct-site-dir") |
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177 std::cout << vars["LOCALVEROCTFILEDIR"] << std::endl; |
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178 else if (arg == "-v" || arg == "--version") |
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179 std::cout << vars["VERSION"] << std::endl; |
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180 else if (arg == "-p" || arg == "--print") |
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181 { |
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182 if (i < argc-1) |
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183 { |
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184 arg = argv[++i]; |
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185 std::cout << vars[arg] << std::endl; |
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186 } |
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187 else |
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188 { |
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189 std::cerr << "octave-config: " << arg |
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190 << " options requires argument" << std::endl; |
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191 return 1; |
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192 } |
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193 } |
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194 else |
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195 { |
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196 std::cerr << "octave-config: unrecognized argument " << arg << std::endl; |
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197 return 1; |
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198 } |
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199 } |
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200 |
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201 return 0; |
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Michael Goffioul
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202 } |