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annotate liboctave/file-ops.h @ 9585:06b8b51dca48

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also handle user-defined graphics properties in new property name validation scheme
author John W. Eaton <jwe@octave.org>
date Fri, 28 Aug 2009 18:37:31 -0400
parents 23af5910e5f5
children 62eb444704ba
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1 /*
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2
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3 Copyright (C) 1996, 1997, 2000, 2002, 2005, 2006, 2007, 2008 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
a51354c34bea [project @ 1996-01-23 03:33:34 by jwe]
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23 #if !defined (octave_file_ops_h)
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24 #define octave_file_ops_h 1
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25
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26 #include <string>
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27
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28 #ifdef HAVE_SYS_TYPES_H
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29 #include <sys/types.h>
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30 #endif
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31
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32 #include "str-vec.h"
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33
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34 struct
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35 OCTAVE_API
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36 file_ops
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37 {
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38 public:
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39
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40 static int mkdir (const std::string&, mode_t);
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41 static int mkdir (const std::string&, mode_t, std::string&);
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42
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43 static int mkfifo (const std::string&, mode_t);
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44 static int mkfifo (const std::string&, mode_t, std::string&);
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45
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46 static int link (const std::string&, const std::string&);
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47 static int link (const std::string&, const std::string&, std::string&);
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48
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49 static int symlink (const std::string&, const std::string&);
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50 static int symlink (const std::string&, const std::string&, std::string&);
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51
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52 static int readlink (const std::string&, std::string&);
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53 static int readlink (const std::string&, std::string&, std::string&);
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54
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55 static int rename (const std::string&, const std::string&);
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56 static int rename (const std::string&, const std::string&, std::string&);
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57
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58 static int rmdir (const std::string&);
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59 static int rmdir (const std::string&, std::string&);
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60
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61 static int recursive_rmdir (const std::string&);
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62 static int recursive_rmdir (const std::string&, std::string&);
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63
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64 static std::string canonicalize_file_name (const std::string&);
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65 static std::string canonicalize_file_name (const std::string&, std::string&);
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66
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67 static std::string tempnam (const std::string&, const std::string&);
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68 static std::string tempnam (const std::string&, const std::string&,
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69 std::string&);
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70
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71 typedef std::string (*tilde_expansion_hook) (const std::string&);
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72
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73 static tilde_expansion_hook tilde_expansion_preexpansion_hook;
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74
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75 static tilde_expansion_hook tilde_expansion_failure_hook;
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76
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77 static string_vector tilde_additional_prefixes;
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78
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79 static string_vector tilde_additional_suffixes;
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80
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81 static std::string tilde_expand (const std::string&);
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82 static string_vector tilde_expand (const string_vector&);
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83
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84 static int umask (mode_t);
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85
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86 static int unlink (const std::string&);
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87 static int unlink (const std::string&, std::string&);
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88
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89 static bool is_dir_sep (char c)
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90 {
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91 std::string tmp = dir_sep_chars ();
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92 return tmp.find (c) != std::string::npos;
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93 }
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94
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95 static std::string concat (const std::string&, const std::string&);
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96
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97 static char dir_sep_char (void)
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98 {
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99 return static_members::dir_sep_char ();
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100 }
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101
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102 static std::string dir_sep_str (void)
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103 {
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104 return static_members::dir_sep_str ();
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105 }
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106
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107 static std::string dir_sep_chars (void)
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108 {
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109 return static_members::dir_sep_chars ();
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110 }
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111
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112 // Return the tail member of a path.
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113 static std::string tail (std::string path)
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114 {
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115 size_t ipos = path.find_last_of (dir_sep_chars ());
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116
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117 if (ipos != std::string::npos)
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118 ipos++;
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119 else
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120 ipos = 0;
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121
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122 return path.substr (ipos);
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123 }
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124
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125 private:
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126
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127 // Use a singleton class for these data members instead of just
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128 // making them static members of the dir_path class so that we can
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129 // ensure proper initialization.
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130
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131 class static_members
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132 {
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133 public:
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134
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135 static_members (void);
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136
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137 static char dir_sep_char (void)
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138 {
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139 return instance_ok () ? instance->xdir_sep_char : 0;
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140 }
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141
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142 static std::string dir_sep_str (void)
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143 {
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144 return instance_ok () ? instance->xdir_sep_str : std::string ();
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145 }
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146
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147 static std::string dir_sep_chars (void)
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148 {
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149 return instance_ok () ? instance->xdir_sep_chars : std::string ();
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150 }
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151
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152 private:
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153
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154 // The real thing.
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155 static static_members *instance;
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156
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157 // No copying!
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158
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159 static_members (const static_members&);
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160
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161 static_members& operator = (const static_members&);
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162
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163 static bool instance_ok (void);
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164
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165 char xdir_sep_char;
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166 std::string xdir_sep_str;
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167 std::string xdir_sep_chars;
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168 };
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169 };
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170
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171 #endif
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172
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173 /*
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174 ;;; Local Variables: ***
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175 ;;; mode: C++ ***
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176 ;;; End: ***
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177 */