annotate liboctave/system/file-ops.h @ 27919:1891570abac8

update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2020.
author John W. Eaton <jwe@octave.org>
date Mon, 06 Jan 2020 22:29:51 -0500
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1 /*
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2
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3 Copyright (C) 1996-2020 The Octave Project Developers
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4
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5 See the file COPYRIGHT.md in the top-level directory of this distribution
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6 or <https://octave.org/COPYRIGHT.html/>.
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7
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8
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9 This file is part of Octave.
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10
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11 Octave is free software: you can redistribute it and/or modify it
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12 under the terms of the GNU General Public License as published by
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13 the Free Software Foundation, either version 3 of the License, or
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14 (at your option) any later version.
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15
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16 Octave is distributed in the hope that it will be useful, but
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17 WITHOUT ANY WARRANTY; without even the implied warranty of
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18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 GNU General Public License for more details.
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20
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21 You should have received a copy of the GNU General Public License
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22 along with Octave; see the file COPYING. If not, see
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23 <https://www.gnu.org/licenses/>.
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25 */
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26
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27 #if ! defined (octave_file_ops_h)
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28 #define octave_file_ops_h 1
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29
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30 #include "octave-config.h"
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31
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32 #include <string>
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33
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34 #include <sys/types.h>
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35
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36 #include "str-vec.h"
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37
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38 namespace octave
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39 {
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40 namespace sys
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41 {
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42 namespace file_ops
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43 {
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44 typedef std::string (*tilde_expansion_hook) (const std::string&);
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45
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46 // If non-null, this contains the address of a function that the
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47 // application wants called before trying the standard tilde
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48 // expansions. The function is called with the text sans tilde, and
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49 // returns a malloc()'ed string which is the expansion, or a NULL
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50 // pointer if the expansion fails.
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52 extern tilde_expansion_hook tilde_expansion_preexpansion_hook;
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53
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54 // If non-null, this contains the address of a function to call if the
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55 // standard meaning for expanding a tilde fails. The function is
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56 // called with the text (sans tilde, as in "foo"), and returns a
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57 // malloc()'ed string which is the expansion, or a NULL pointer if
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58 // there is no expansion.
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59
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60 extern tilde_expansion_hook tilde_expansion_failure_hook;
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61
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62 // When non-null, this is a NULL terminated array of strings which are
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63 // duplicates for a tilde prefix. Bash uses this to expand '=~' and
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64 // ':~'.
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65
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66 extern string_vector tilde_additional_prefixes;
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68 // When non-null, this is a NULL terminated array of strings which
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69 // match the end of a username, instead of just "/". Bash sets this
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70 // to ':' and '=~'.
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71
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72 extern string_vector tilde_additional_suffixes;
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73
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74 // Find the start of a tilde expansion in S, and return the index
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75 // of the tilde which starts the expansion. Place the length of the
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76 // text which identified this tilde starter in LEN, excluding the
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77 // tilde itself.
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78
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79 char dev_sep_char (void);
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80
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81 bool is_dev_sep (char c);
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82
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83 char dir_sep_char (void);
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84
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85 std::string dir_sep_str (void);
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86
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87 std::string dir_sep_chars (void);
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88
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89 bool is_dir_sep (char c);
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90
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91 // If NAME has a leading ~ or ~user, Unix-style, expand it to the
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92 // user's home directory. If no ~, or no <pwd.h>, just return NAME.
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93
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94 std::string tilde_expand (const std::string&);
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95
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96 // A vector version of the above.
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97
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98 string_vector tilde_expand (const string_vector&);
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99
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100 std::string concat (const std::string&, const std::string&);
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101
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102 // Return the directory part of a filename or an empty string if
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103 // there is no directory component. Does not check to see
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104 // whether the file exists or is a directory.
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105
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106 std::string dirname (const std::string& path);
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107
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108 // Return the tail member of a filename.
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109
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110 std::string tail (const std::string& path);
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111
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112 // convert path from UNIX type separators to whatever is the system separators
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114 std::string native_separator_path (const std::string& path);
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115 }
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116
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117 extern OCTAVE_API int
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118 mkdir (const std::string&, mode_t);
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119
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120 extern OCTAVE_API int
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121 mkdir (const std::string&, mode_t, std::string&);
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122
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123 extern OCTAVE_API int
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124 mkfifo (const std::string&, mode_t);
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125
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126 extern OCTAVE_API int
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127 mkfifo (const std::string&, mode_t, std::string&);
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128
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129 extern OCTAVE_API int
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130 link (const std::string&, const std::string&);
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131
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132 extern OCTAVE_API int
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133 link (const std::string&, const std::string&, std::string&);
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134
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135 extern OCTAVE_API int
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136 symlink (const std::string&, const std::string&);
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137
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138 extern OCTAVE_API int
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139 symlink (const std::string&, const std::string&, std::string&);
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140
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141 extern OCTAVE_API int
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142 readlink (const std::string&, std::string&);
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143
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144 extern OCTAVE_API int
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145 readlink (const std::string&, std::string&, std::string&);
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146
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147 extern OCTAVE_API int
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148 rename (const std::string&, const std::string&);
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149
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150 extern OCTAVE_API int
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151 rename (const std::string&, const std::string&, std::string&);
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152
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153 extern OCTAVE_API int
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154 rmdir (const std::string&);
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155
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156 extern OCTAVE_API int
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157 rmdir (const std::string&, std::string&);
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158
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159 extern OCTAVE_API int
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160 recursive_rmdir (const std::string&);
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161
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162 extern OCTAVE_API int
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163 recursive_rmdir (const std::string&, std::string&);
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164
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165 extern OCTAVE_API int
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166 umask (mode_t);
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167
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168 extern OCTAVE_API int
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169 unlink (const std::string&);
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170
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171 extern OCTAVE_API int
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172 unlink (const std::string&, std::string&);
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173
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174 extern OCTAVE_API std::string
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175 tempnam (const std::string&, const std::string&);
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176
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177 extern OCTAVE_API std::string
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178 tempnam (const std::string&, const std::string&, std::string&);
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179
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180 extern OCTAVE_API std::string
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181 canonicalize_file_name (const std::string&);
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182
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183 extern OCTAVE_API std::string
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184 canonicalize_file_name (const std::string&, std::string&);
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185 }
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186 }
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187
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188 #endif