1 | // boost/filesystem/operations.hpp -----------------------------------------// |
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2 | |
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3 | // Copyright 2002-2005 Beman Dawes |
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4 | // Copyright 2002 Jan Langer |
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5 | // Copyright 2001 Dietmar Kuehl |
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6 | // |
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7 | // Use, modification, and distribution is subject to the Boost Software |
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8 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy |
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9 | // at http://www.boost.org/LICENSE_1_0.txt) |
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10 | |
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11 | // See library home page at http://www.boost.org/libs/filesystem |
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12 | |
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13 | //----------------------------------------------------------------------------// |
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14 | |
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15 | #ifndef BOOST_FILESYSTEM_OPERATIONS_HPP |
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16 | #define BOOST_FILESYSTEM_OPERATIONS_HPP |
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17 | |
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18 | #include <boost/filesystem/path.hpp> // includes <boost/filesystem/config.hpp> |
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19 | |
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20 | #include <boost/shared_ptr.hpp> |
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21 | #include <boost/utility/enable_if.hpp> |
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22 | #include <boost/type_traits/is_same.hpp> |
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23 | #include <boost/iterator.hpp> |
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24 | #include <boost/cstdint.hpp> |
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25 | #include <boost/assert.hpp> |
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26 | |
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27 | #include <string> |
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28 | #include <utility> // for pair |
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29 | #include <ctime> |
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30 | |
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31 | #ifdef BOOST_WINDOWS_API |
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32 | # include <fstream> |
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33 | # if !defined(_WIN32_WINNT) || _WIN32_WINNT >= 0x0500 |
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34 | # define BOOST_FS_HARD_LINK // Default for Windows 2K or later |
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35 | # endif |
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36 | #endif |
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37 | |
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38 | #include <boost/config/abi_prefix.hpp> // must be the last #include |
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39 | |
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40 | # ifdef BOOST_NO_STDC_NAMESPACE |
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41 | namespace std { using ::time_t; } |
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42 | # endif |
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43 | |
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44 | # ifndef BOOST_FILESYSTEM_NARROW_ONLY |
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45 | # define BOOST_FS_FUNC(BOOST_FS_TYPE) \ |
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46 | template<class Path> typename boost::enable_if<is_basic_path<Path>, \ |
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47 | BOOST_FS_TYPE>::type |
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48 | # define BOOST_INLINE_FS_FUNC(BOOST_FS_TYPE) \ |
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49 | template<class Path> inline typename boost::enable_if<is_basic_path<Path>, \ |
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50 | BOOST_FS_TYPE>::type |
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51 | # define BOOST_FS_TYPENAME typename |
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52 | # else |
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53 | # define BOOST_FS_FUNC(BOOST_FS_TYPE) inline BOOST_FS_TYPE |
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54 | # define BOOST_INLINE_FS_FUNC(BOOST_FS_TYPE) inline BOOST_FS_TYPE |
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55 | typedef boost::filesystem::path Path; |
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56 | # define BOOST_FS_TYPENAME |
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57 | # endif |
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58 | |
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59 | //----------------------------------------------------------------------------// |
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60 | |
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61 | namespace boost |
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62 | { |
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63 | namespace filesystem |
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64 | { |
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65 | template<class Path> class basic_directory_iterator; |
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66 | |
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67 | // BOOST_FILESYSTEM_NARROW_ONLY needs this: |
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68 | typedef basic_directory_iterator<path> directory_iterator; |
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69 | |
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70 | template<class Path> class basic_directory_entry; |
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71 | |
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72 | enum file_type |
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73 | { |
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74 | status_unknown, |
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75 | file_not_found, |
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76 | regular_file, |
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77 | directory_file, |
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78 | // the following will never be reported by some operating or file systems |
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79 | symlink_file, |
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80 | block_file, |
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81 | character_file, |
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82 | fifo_file, |
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83 | socket_file, |
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84 | type_unknown // file does exist, but isn't one of the above types |
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85 | }; |
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86 | |
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87 | class file_status |
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88 | { |
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89 | public: |
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90 | explicit file_status( file_type v = status_unknown ) : m_value(v) {} |
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91 | |
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92 | void type( file_type v ) { m_value = v; } |
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93 | file_type type() const { return m_value; } |
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94 | |
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95 | private: |
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96 | // the internal representation is unspecified so that additional state |
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97 | // information such as permissions can be added in the future; this |
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98 | // implementation just uses status_type as the internal representation |
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99 | |
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100 | file_type m_value; |
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101 | }; |
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102 | |
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103 | inline bool status_known( file_status f ) { return f.type() != status_unknown; } |
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104 | inline bool exists( file_status f ) { return f.type() != status_unknown && f.type() != file_not_found; } |
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105 | inline bool is_regular( file_status f ) { return f.type() == regular_file; } |
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106 | inline bool is_directory( file_status f ) { return f.type() == directory_file; } |
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107 | inline bool is_symlink( file_status f ) { return f.type() == symlink_file; } |
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108 | inline bool is_other( file_status f ) { return exists(f) && !is_regular(f) && !is_directory(f) && !is_symlink(f); } |
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109 | |
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110 | struct space_info |
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111 | { |
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112 | // all values are byte counts |
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113 | boost::uintmax_t capacity; |
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114 | boost::uintmax_t free; // <= capacity |
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115 | boost::uintmax_t available; // <= free |
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116 | }; |
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117 | |
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118 | namespace detail |
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119 | { |
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120 | typedef std::pair< boost::filesystem::system_error_type, bool > |
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121 | query_pair; |
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122 | |
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123 | typedef std::pair< boost::filesystem::system_error_type, boost::uintmax_t > |
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124 | uintmax_pair; |
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125 | |
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126 | typedef std::pair< boost::filesystem::system_error_type, std::time_t > |
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127 | time_pair; |
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128 | |
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129 | typedef std::pair< boost::filesystem::system_error_type, space_info > |
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130 | space_pair; |
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131 | |
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132 | template< class Path > |
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133 | struct directory_pair |
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134 | { |
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135 | typedef std::pair< boost::filesystem::system_error_type, |
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136 | typename Path::external_string_type > type; |
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137 | }; |
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138 | |
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139 | # ifndef BOOST_FILESYSTEM_NO_DEPRECATED |
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140 | BOOST_FILESYSTEM_DECL bool |
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141 | symbolic_link_exists_api( const std::string & ); // deprecated |
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142 | # endif |
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143 | |
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144 | BOOST_FILESYSTEM_DECL file_status |
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145 | status_api( const std::string & ph, system_error_type & ec ); |
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146 | # ifndef BOOST_WINDOWS_API |
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147 | BOOST_FILESYSTEM_DECL file_status |
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148 | symlink_status_api( const std::string & ph, system_error_type & ec ); |
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149 | # endif |
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150 | BOOST_FILESYSTEM_DECL query_pair |
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151 | is_empty_api( const std::string & ph ); |
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152 | BOOST_FILESYSTEM_DECL query_pair |
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153 | equivalent_api( const std::string & ph1, const std::string & ph2 ); |
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154 | BOOST_FILESYSTEM_DECL uintmax_pair |
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155 | file_size_api( const std::string & ph ); |
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156 | BOOST_FILESYSTEM_DECL space_pair |
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157 | space_api( const std::string & ph ); |
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158 | BOOST_FILESYSTEM_DECL time_pair |
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159 | last_write_time_api( const std::string & ph ); |
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160 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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161 | last_write_time_api( const std::string & ph, std::time_t new_value ); |
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162 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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163 | get_current_path_api( std::string & ph ); |
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164 | BOOST_FILESYSTEM_DECL query_pair |
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165 | create_directory_api( const std::string & ph ); |
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166 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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167 | create_hard_link_api( const std::string & to_ph, |
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168 | const std::string & from_ph ); |
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169 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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170 | create_symlink_api( const std::string & to_ph, |
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171 | const std::string & from_ph ); |
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172 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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173 | remove_api( const std::string & ph ); |
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174 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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175 | rename_api( const std::string & from, const std::string & to ); |
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176 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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177 | copy_file_api( const std::string & from, const std::string & to ); |
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178 | |
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179 | # if defined(BOOST_WINDOWS_API) |
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180 | |
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181 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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182 | get_full_path_name_api( const std::string & ph, std::string & target ); |
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183 | |
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184 | # if !defined(BOOST_FILESYSTEM_NARROW_ONLY) |
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185 | |
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186 | BOOST_FILESYSTEM_DECL boost::filesystem::file_status |
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187 | status_api( const std::wstring & ph, system_error_type & ec ); |
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188 | BOOST_FILESYSTEM_DECL query_pair |
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189 | is_empty_api( const std::wstring & ph ); |
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190 | BOOST_FILESYSTEM_DECL query_pair |
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191 | equivalent_api( const std::wstring & ph1, const std::wstring & ph2 ); |
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192 | BOOST_FILESYSTEM_DECL uintmax_pair |
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193 | file_size_api( const std::wstring & ph ); |
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194 | BOOST_FILESYSTEM_DECL space_pair |
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195 | space_api( const std::wstring & ph ); |
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196 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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197 | get_full_path_name_api( const std::wstring & ph, std::wstring & target ); |
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198 | BOOST_FILESYSTEM_DECL time_pair |
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199 | last_write_time_api( const std::wstring & ph ); |
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200 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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201 | last_write_time_api( const std::wstring & ph, std::time_t new_value ); |
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202 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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203 | get_current_path_api( std::wstring & ph ); |
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204 | BOOST_FILESYSTEM_DECL query_pair |
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205 | create_directory_api( const std::wstring & ph ); |
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206 | # ifdef BOOST_FS_HARD_LINK |
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207 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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208 | create_hard_link_api( const std::wstring & existing_ph, |
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209 | const std::wstring & new_ph ); |
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210 | # endif |
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211 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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212 | create_symlink_api( const std::wstring & to_ph, |
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213 | const std::wstring & from_ph ); |
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214 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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215 | remove_api( const std::wstring & ph ); |
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216 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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217 | rename_api( const std::wstring & from, const std::wstring & to ); |
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218 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
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219 | copy_file_api( const std::wstring & from, const std::wstring & to ); |
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220 | |
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221 | # endif |
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222 | # endif |
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223 | |
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224 | template<class Path> |
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225 | unsigned long remove_all_aux( const Path & ph ); |
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226 | |
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227 | } // namespace detail |
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228 | |
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229 | // operations functions ----------------------------------------------------// |
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230 | |
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231 | // The non-template overloads enable automatic conversion from std and |
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232 | // C-style strings. See basic_path constructors. The enable_if for the |
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233 | // templates implements the famous "do-the-right-thing" rule. |
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234 | |
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235 | // query functions ---------------------------------------------------------// |
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236 | |
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237 | BOOST_INLINE_FS_FUNC(file_status) |
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238 | status( const Path & ph, system_error_type & ec ) |
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239 | { return detail::status_api( ph.external_file_string(), ec ); } |
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240 | |
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241 | BOOST_FS_FUNC(file_status) |
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242 | status( const Path & ph ) |
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243 | { |
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244 | system_error_type ec; |
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245 | file_status result( detail::status_api( ph.external_file_string(), ec ) ); |
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246 | if ( ec ) |
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247 | boost::throw_exception( basic_filesystem_error<Path>( |
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248 | "boost::filesystem::status", ph, ec ) ); |
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249 | return result; |
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250 | } |
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251 | |
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252 | BOOST_INLINE_FS_FUNC(file_status) |
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253 | symlink_status( const Path & ph, system_error_type & ec ) |
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254 | # ifdef BOOST_WINDOWS_API |
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255 | { return detail::status_api( ph.external_file_string(), ec ); } |
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256 | # else |
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257 | { return detail::symlink_status_api( ph.external_file_string(), ec ); } |
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258 | # endif |
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259 | |
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260 | BOOST_FS_FUNC(file_status) |
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261 | symlink_status( const Path & ph ) |
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262 | { |
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263 | system_error_type ec; |
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264 | file_status result( symlink_status( ph, ec ) ); |
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265 | if ( ec ) |
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266 | boost::throw_exception( basic_filesystem_error<Path>( |
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267 | "boost::filesystem::symlink_status", ph, ec ) ); |
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268 | return result; |
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269 | } |
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270 | |
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271 | # ifndef BOOST_FILESYSTEM_NO_DEPRECATED |
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272 | inline bool symbolic_link_exists( const path & ph ) |
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273 | { return is_symlink( symlink_status(ph) ); } |
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274 | #endif |
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275 | |
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276 | BOOST_FS_FUNC(bool) exists( const Path & ph ) |
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277 | { |
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278 | system_error_type ec; |
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279 | file_status result( detail::status_api( ph.external_file_string(), ec ) ); |
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280 | if ( ec ) |
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281 | boost::throw_exception( basic_filesystem_error<Path>( |
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282 | "boost::filesystem::exists", ph, ec ) ); |
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283 | return exists( result ); |
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284 | } |
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285 | |
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286 | BOOST_FS_FUNC(bool) is_directory( const Path & ph ) |
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287 | { |
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288 | system_error_type ec; |
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289 | file_status result( detail::status_api( ph.external_file_string(), ec ) ); |
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290 | if ( ec ) |
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291 | boost::throw_exception( basic_filesystem_error<Path>( |
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292 | "boost::filesystem::is_directory", ph, ec ) ); |
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293 | return is_directory( result ); |
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294 | } |
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295 | |
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296 | BOOST_FS_FUNC(bool) is_regular( const Path & ph ) |
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297 | { |
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298 | system_error_type ec; |
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299 | file_status result( detail::status_api( ph.external_file_string(), ec ) ); |
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300 | if ( ec ) |
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301 | boost::throw_exception( basic_filesystem_error<Path>( |
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302 | "boost::filesystem::is_regular", ph, ec ) ); |
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303 | return is_regular( result ); |
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304 | } |
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305 | |
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306 | BOOST_FS_FUNC(bool) is_other( const Path & ph ) |
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307 | { |
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308 | system_error_type ec; |
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309 | file_status result( detail::status_api( ph.external_file_string(), ec ) ); |
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310 | if ( ec ) |
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311 | boost::throw_exception( basic_filesystem_error<Path>( |
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312 | "boost::filesystem::is_other", ph, ec ) ); |
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313 | return is_other( result ); |
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314 | } |
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315 | |
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316 | BOOST_FS_FUNC(bool) is_symlink( |
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317 | # ifdef BOOST_WINDOWS_API |
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318 | const Path & ) |
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319 | { |
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320 | return false; |
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321 | # else |
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322 | const Path & ph) |
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323 | { |
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324 | system_error_type ec; |
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325 | file_status result( detail::symlink_status_api( ph.external_file_string(), ec ) ); |
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326 | if ( ec ) |
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327 | boost::throw_exception( basic_filesystem_error<Path>( |
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328 | "boost::filesystem::is_symlink", ph, ec ) ); |
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329 | return is_symlink( result ); |
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330 | # endif |
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331 | } |
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332 | |
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333 | // VC++ 7.0 and earlier has a serious namespace bug that causes a clash |
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334 | // between boost::filesystem::is_empty and the unrelated type trait |
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335 | // boost::is_empty. |
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336 | |
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337 | # if !defined( BOOST_MSVC ) || BOOST_MSVC > 1300 |
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338 | BOOST_FS_FUNC(bool) is_empty( const Path & ph ) |
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339 | # else |
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340 | BOOST_FS_FUNC(bool) _is_empty( const Path & ph ) |
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341 | # endif |
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342 | { |
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343 | detail::query_pair result = detail::is_empty_api( ph.external_file_string() ); |
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344 | if ( result.first != 0 ) |
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345 | boost::throw_exception( basic_filesystem_error<Path>( |
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346 | "boost::filesystem::is_empty", ph, result.first ) ); |
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347 | return result.second; |
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348 | } |
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349 | |
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350 | BOOST_FS_FUNC(bool) equivalent( const Path & ph1, const Path & ph2 ) |
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351 | { |
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352 | detail::query_pair result = detail::equivalent_api( |
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353 | ph1.external_file_string(), ph2.external_file_string() ); |
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354 | if ( result.first != 0 ) |
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355 | boost::throw_exception( basic_filesystem_error<Path>( |
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356 | "boost::filesystem::equivalent", ph1, ph2, result.first ) ); |
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357 | return result.second; |
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358 | } |
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359 | |
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360 | BOOST_FS_FUNC(boost::uintmax_t) file_size( const Path & ph ) |
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361 | { |
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362 | detail::uintmax_pair result |
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363 | = detail::file_size_api( ph.external_file_string() ); |
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364 | if ( result.first != 0 ) |
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365 | boost::throw_exception( basic_filesystem_error<Path>( |
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366 | "boost::filesystem::file_size", ph, result.first ) ); |
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367 | return result.second; |
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368 | } |
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369 | |
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370 | BOOST_FS_FUNC(space_info) space( const Path & ph ) |
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371 | { |
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372 | detail::space_pair result |
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373 | = detail::space_api( ph.external_file_string() ); |
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374 | if ( result.first != 0 ) |
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375 | boost::throw_exception( basic_filesystem_error<Path>( |
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376 | "boost::filesystem::space", ph, result.first ) ); |
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377 | return result.second; |
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378 | } |
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379 | |
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380 | BOOST_FS_FUNC(std::time_t) last_write_time( const Path & ph ) |
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381 | { |
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382 | detail::time_pair result |
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383 | = detail::last_write_time_api( ph.external_file_string() ); |
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384 | if ( result.first != 0 ) |
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385 | boost::throw_exception( basic_filesystem_error<Path>( |
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386 | "boost::filesystem::last_write_time", ph, result.first ) ); |
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387 | return result.second; |
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388 | } |
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389 | |
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390 | |
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391 | // operations --------------------------------------------------------------// |
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392 | |
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393 | BOOST_FS_FUNC(bool) create_directory( const Path & dir_ph ) |
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394 | { |
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395 | detail::query_pair result( |
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396 | detail::create_directory_api( dir_ph.external_directory_string() ) ); |
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397 | if ( result.first != 0 ) |
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398 | boost::throw_exception( basic_filesystem_error<Path>( |
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399 | "boost::filesystem::create_directory", |
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400 | dir_ph, result.first ) ); |
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401 | return result.second; |
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402 | } |
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403 | |
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404 | #if !defined(BOOST_WINDOWS_API) || defined(BOOST_FS_HARD_LINK) |
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405 | BOOST_FS_FUNC(void) |
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406 | create_hard_link( const Path & to_ph, const Path & from_ph ) |
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407 | { |
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408 | system_error_type result( |
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409 | detail::create_hard_link_api( |
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410 | to_ph.external_file_string(), |
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411 | from_ph.external_file_string() ) ); |
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412 | if ( result != 0 ) |
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413 | boost::throw_exception( basic_filesystem_error<Path>( |
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414 | "boost::filesystem::create_hard_link", |
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415 | to_ph, from_ph, result ) ); |
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416 | } |
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417 | |
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418 | BOOST_FS_FUNC(system_error_type) |
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419 | create_hard_link( const Path & to_ph, const Path & from_ph, |
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420 | system_error_type & ec ) |
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421 | { |
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422 | ec = detail::create_hard_link_api( |
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423 | to_ph.external_file_string(), |
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424 | from_ph.external_file_string() ); |
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425 | return ec; |
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426 | } |
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427 | #endif |
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428 | |
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429 | BOOST_FS_FUNC(void) |
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430 | create_symlink( const Path & to_ph, const Path & from_ph ) |
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431 | { |
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432 | system_error_type result( |
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433 | detail::create_symlink_api( |
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434 | to_ph.external_file_string(), |
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435 | from_ph.external_file_string() ) ); |
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436 | if ( result ) |
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437 | boost::throw_exception( basic_filesystem_error<Path>( |
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438 | "boost::filesystem::create_symlink", |
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439 | to_ph, from_ph, result ) ); |
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440 | } |
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441 | |
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442 | BOOST_FS_FUNC(system_error_type) |
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443 | create_symlink( const Path & to_ph, const Path & from_ph, |
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444 | system_error_type & ec ) |
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445 | { |
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446 | ec = detail::create_symlink_api( |
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447 | to_ph.external_file_string(), |
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448 | from_ph.external_file_string() ); |
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449 | return ec; |
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450 | } |
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451 | |
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452 | BOOST_FS_FUNC(bool) remove( const Path & ph ) |
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453 | { |
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454 | if ( exists( ph ) |
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455 | || is_symlink( ph ) ) // handle dangling symbolic links |
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456 | // note that the POSIX behavior for symbolic links is what we want; |
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457 | // the link rather than what it points to is deleted. Windows behavior |
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458 | // doesn't matter; is_symlink() is always false on Windows. |
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459 | { |
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460 | system_error_type result = detail::remove_api( ph.external_file_string() ); |
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461 | if ( result != 0 ) |
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462 | boost::throw_exception( basic_filesystem_error<Path>( |
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463 | "boost::filesystem::remove", |
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464 | ph, result ) ); |
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465 | return true; |
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466 | } |
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467 | return false; |
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468 | } |
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469 | |
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470 | BOOST_FS_FUNC(unsigned long) remove_all( const Path & ph ) |
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471 | { |
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472 | return exists( ph )|| is_symlink( ph ) |
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473 | ? detail::remove_all_aux( ph ) : 0; |
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474 | } |
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475 | |
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476 | BOOST_FS_FUNC(void) rename( const Path & from_path, const Path & to_path ) |
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477 | { |
---|
478 | system_error_type result = detail::rename_api( |
---|
479 | from_path.external_directory_string(), |
---|
480 | to_path.external_directory_string() ); |
---|
481 | if ( result != 0 ) |
---|
482 | boost::throw_exception( basic_filesystem_error<Path>( |
---|
483 | "boost::filesystem::rename", |
---|
484 | from_path, to_path, result ) ); |
---|
485 | } |
---|
486 | |
---|
487 | BOOST_FS_FUNC(void) copy_file( const Path & from_path, const Path & to_path ) |
---|
488 | { |
---|
489 | system_error_type result = detail::copy_file_api( |
---|
490 | from_path.external_directory_string(), |
---|
491 | to_path.external_directory_string() ); |
---|
492 | if ( result != 0 ) |
---|
493 | boost::throw_exception( basic_filesystem_error<Path>( |
---|
494 | "boost::filesystem::copy_file", |
---|
495 | from_path, to_path, result ) ); |
---|
496 | } |
---|
497 | |
---|
498 | template< class Path > |
---|
499 | Path current_path() |
---|
500 | { |
---|
501 | typename Path::external_string_type ph; |
---|
502 | boost::filesystem::system_error_type result; |
---|
503 | if ( (result = detail::get_current_path_api( ph )) != 0 ) |
---|
504 | boost::throw_exception( basic_filesystem_error<Path>( |
---|
505 | "boost::filesystem::current_path", result ) ); |
---|
506 | return Path( Path::traits_type::to_internal( ph ) ); |
---|
507 | } |
---|
508 | |
---|
509 | template< class Path > |
---|
510 | const Path & initial_path() |
---|
511 | { |
---|
512 | static Path init_path; |
---|
513 | if ( init_path.empty() ) init_path = current_path<Path>(); |
---|
514 | return init_path; |
---|
515 | } |
---|
516 | |
---|
517 | # ifndef BOOST_FILESYSTEM_NO_DEPRECATED |
---|
518 | // legacy support |
---|
519 | inline path current_path() // overload supports pre-i18n apps |
---|
520 | { return current_path<boost::filesystem::path>(); } |
---|
521 | inline const path & initial_path() // overload supports pre-i18n apps |
---|
522 | { return initial_path<boost::filesystem::path>(); } |
---|
523 | # endif |
---|
524 | |
---|
525 | BOOST_FS_FUNC(Path) system_complete( const Path & ph ) |
---|
526 | { |
---|
527 | # ifdef BOOST_WINDOWS_API |
---|
528 | if ( ph.empty() ) return ph; |
---|
529 | BOOST_FS_TYPENAME Path::external_string_type sys_ph; |
---|
530 | boost::filesystem::system_error_type result; |
---|
531 | if ( (result = detail::get_full_path_name_api( ph.external_file_string(), |
---|
532 | sys_ph )) != 0 ) |
---|
533 | boost::throw_exception( basic_filesystem_error<Path>( |
---|
534 | "boost::filesystem::system_complete", ph, result ) ); |
---|
535 | return Path( Path::traits_type::to_internal( sys_ph ) ); |
---|
536 | # else |
---|
537 | return (ph.empty() || ph.is_complete()) |
---|
538 | ? ph : current_path<Path>() / ph; |
---|
539 | # endif |
---|
540 | } |
---|
541 | |
---|
542 | BOOST_FS_FUNC(Path) |
---|
543 | complete( const Path & ph, |
---|
544 | const Path & base/* = initial_path<Path>() */) |
---|
545 | { |
---|
546 | BOOST_ASSERT( base.is_complete() |
---|
547 | && (ph.is_complete() || !ph.has_root_name()) |
---|
548 | && "boost::filesystem::complete() precondition not met" ); |
---|
549 | # ifdef BOOST_WINDOWS_PATH |
---|
550 | if (ph.empty() || ph.is_complete()) return ph; |
---|
551 | if ( !ph.has_root_name() ) |
---|
552 | return ph.has_root_directory() |
---|
553 | ? Path( base.root_name() ) / ph |
---|
554 | : base / ph; |
---|
555 | return base / ph; |
---|
556 | # else |
---|
557 | return (ph.empty() || ph.is_complete()) ? ph : base / ph; |
---|
558 | # endif |
---|
559 | } |
---|
560 | |
---|
561 | // VC++ 7.1 had trouble with default arguments, so separate one argument |
---|
562 | // signatures are provided as workarounds; the effect is the same. |
---|
563 | BOOST_FS_FUNC(Path) complete( const Path & ph ) |
---|
564 | { return complete( ph, initial_path<Path>() ); } |
---|
565 | |
---|
566 | BOOST_FS_FUNC(void) |
---|
567 | last_write_time( const Path & ph, const std::time_t new_time ) |
---|
568 | { |
---|
569 | boost::filesystem::system_error_type result; |
---|
570 | if ( (result = detail::last_write_time_api( ph.external_file_string(), |
---|
571 | new_time )) != 0 ) |
---|
572 | boost::throw_exception( basic_filesystem_error<Path>( |
---|
573 | "boost::filesystem::last_write_time", ph, result ) ); |
---|
574 | } |
---|
575 | |
---|
576 | # ifndef BOOST_FILESYSTEM_NARROW_ONLY |
---|
577 | |
---|
578 | // "do-the-right-thing" overloads ---------------------------------------// |
---|
579 | |
---|
580 | inline file_status status( const path & ph ) |
---|
581 | { return status<path>( ph ); } |
---|
582 | inline file_status status( const wpath & ph ) |
---|
583 | { return status<wpath>( ph ); } |
---|
584 | |
---|
585 | inline file_status status( const path & ph, system_error_type & ec ) |
---|
586 | { return status<path>( ph, ec ); } |
---|
587 | inline file_status status( const wpath & ph, system_error_type & ec ) |
---|
588 | { return status<wpath>( ph, ec ); } |
---|
589 | |
---|
590 | inline file_status symlink_status( const path & ph ) |
---|
591 | { return symlink_status<path>( ph ); } |
---|
592 | inline file_status symlink_status( const wpath & ph ) |
---|
593 | { return symlink_status<wpath>( ph ); } |
---|
594 | |
---|
595 | inline file_status symlink_status( const path & ph, system_error_type & ec ) |
---|
596 | { return symlink_status<path>( ph, ec ); } |
---|
597 | inline file_status symlink_status( const wpath & ph, system_error_type & ec ) |
---|
598 | { return symlink_status<wpath>( ph, ec ); } |
---|
599 | |
---|
600 | inline bool exists( const path & ph ) { return exists<path>( ph ); } |
---|
601 | inline bool exists( const wpath & ph ) { return exists<wpath>( ph ); } |
---|
602 | |
---|
603 | inline bool is_directory( const path & ph ) |
---|
604 | { return is_directory<path>( ph ); } |
---|
605 | inline bool is_directory( const wpath & ph ) |
---|
606 | { return is_directory<wpath>( ph ); } |
---|
607 | |
---|
608 | inline bool is_regular( const path & ph ) |
---|
609 | { return is_regular<path>( ph ); } |
---|
610 | inline bool is_regular( const wpath & ph ) |
---|
611 | { return is_regular<wpath>( ph ); } |
---|
612 | |
---|
613 | inline bool is_other( const path & ph ) |
---|
614 | { return is_other<path>( ph ); } |
---|
615 | inline bool is_other( const wpath & ph ) |
---|
616 | { return is_other<wpath>( ph ); } |
---|
617 | |
---|
618 | inline bool is_symlink( const path & ph ) |
---|
619 | { return is_symlink<path>( ph ); } |
---|
620 | inline bool is_symlink( const wpath & ph ) |
---|
621 | { return is_symlink<wpath>( ph ); } |
---|
622 | |
---|
623 | inline bool is_empty( const path & ph ) |
---|
624 | { return is_empty<path>( ph ); } |
---|
625 | inline bool is_empty( const wpath & ph ) |
---|
626 | { return is_empty<wpath>( ph ); } |
---|
627 | |
---|
628 | inline bool equivalent( const path & ph1, const path & ph2 ) |
---|
629 | { return equivalent<path>( ph1, ph2 ); } |
---|
630 | inline bool equivalent( const wpath & ph1, const wpath & ph2 ) |
---|
631 | { return equivalent<wpath>( ph1, ph2 ); } |
---|
632 | |
---|
633 | inline boost::uintmax_t file_size( const path & ph ) |
---|
634 | { return file_size<path>( ph ); } |
---|
635 | inline boost::uintmax_t file_size( const wpath & ph ) |
---|
636 | { return file_size<wpath>( ph ); } |
---|
637 | |
---|
638 | inline space_info space( const path & ph ) |
---|
639 | { return space<path>( ph ); } |
---|
640 | inline space_info space( const wpath & ph ) |
---|
641 | { return space<wpath>( ph ); } |
---|
642 | |
---|
643 | inline std::time_t last_write_time( const path & ph ) |
---|
644 | { return last_write_time<path>( ph ); } |
---|
645 | inline std::time_t last_write_time( const wpath & ph ) |
---|
646 | { return last_write_time<wpath>( ph ); } |
---|
647 | |
---|
648 | inline bool create_directory( const path & dir_ph ) |
---|
649 | { return create_directory<path>( dir_ph ); } |
---|
650 | inline bool create_directory( const wpath & dir_ph ) |
---|
651 | { return create_directory<wpath>( dir_ph ); } |
---|
652 | |
---|
653 | #if !defined(BOOST_WINDOWS_API) || defined(BOOST_FS_HARD_LINK) |
---|
654 | inline void create_hard_link( const path & to_ph, |
---|
655 | const path & from_ph ) |
---|
656 | { return create_hard_link<path>( to_ph, from_ph ); } |
---|
657 | inline void create_hard_link( const wpath & to_ph, |
---|
658 | const wpath & from_ph ) |
---|
659 | { return create_hard_link<wpath>( to_ph, from_ph ); } |
---|
660 | |
---|
661 | inline system_error_type create_hard_link( const path & to_ph, |
---|
662 | const path & from_ph, system_error_type & ec ) |
---|
663 | { return create_hard_link<path>( to_ph, from_ph, ec ); } |
---|
664 | inline system_error_type create_hard_link( const wpath & to_ph, |
---|
665 | const wpath & from_ph, system_error_type & ec ) |
---|
666 | { return create_hard_link<wpath>( to_ph, from_ph, ec ); } |
---|
667 | #endif |
---|
668 | |
---|
669 | inline void create_symlink( const path & to_ph, |
---|
670 | const path & from_ph ) |
---|
671 | { return create_symlink<path>( to_ph, from_ph ); } |
---|
672 | inline void create_symlink( const wpath & to_ph, |
---|
673 | const wpath & from_ph ) |
---|
674 | { return create_symlink<wpath>( to_ph, from_ph ); } |
---|
675 | |
---|
676 | inline system_error_type create_symlink( const path & to_ph, |
---|
677 | const path & from_ph, system_error_type & ec ) |
---|
678 | { return create_symlink<path>( to_ph, from_ph, ec ); } |
---|
679 | inline system_error_type create_symlink( const wpath & to_ph, |
---|
680 | const wpath & from_ph, system_error_type & ec ) |
---|
681 | { return create_symlink<wpath>( to_ph, from_ph, ec ); } |
---|
682 | |
---|
683 | inline bool remove( const path & ph ) |
---|
684 | { return remove<path>( ph ); } |
---|
685 | inline bool remove( const wpath & ph ) |
---|
686 | { return remove<wpath>( ph ); } |
---|
687 | |
---|
688 | inline unsigned long remove_all( const path & ph ) |
---|
689 | { return remove_all<path>( ph ); } |
---|
690 | inline unsigned long remove_all( const wpath & ph ) |
---|
691 | { return remove_all<wpath>( ph ); } |
---|
692 | |
---|
693 | inline void rename( const path & from_path, const path & to_path ) |
---|
694 | { return rename<path>( from_path, to_path ); } |
---|
695 | inline void rename( const wpath & from_path, const wpath & to_path ) |
---|
696 | { return rename<wpath>( from_path, to_path ); } |
---|
697 | |
---|
698 | inline void copy_file( const path & from_path, const path & to_path ) |
---|
699 | { return copy_file<path>( from_path, to_path ); } |
---|
700 | inline void copy_file( const wpath & from_path, const wpath & to_path ) |
---|
701 | { return copy_file<wpath>( from_path, to_path ); } |
---|
702 | |
---|
703 | inline path system_complete( const path & ph ) |
---|
704 | { return system_complete<path>( ph ); } |
---|
705 | inline wpath system_complete( const wpath & ph ) |
---|
706 | { return system_complete<wpath>( ph ); } |
---|
707 | |
---|
708 | inline path complete( const path & ph, |
---|
709 | const path & base/* = initial_path<path>()*/ ) |
---|
710 | { return complete<path>( ph, base ); } |
---|
711 | inline wpath complete( const wpath & ph, |
---|
712 | const wpath & base/* = initial_path<wpath>()*/ ) |
---|
713 | { return complete<wpath>( ph, base ); } |
---|
714 | |
---|
715 | inline path complete( const path & ph ) |
---|
716 | { return complete<path>( ph, initial_path<path>() ); } |
---|
717 | inline wpath complete( const wpath & ph ) |
---|
718 | { return complete<wpath>( ph, initial_path<wpath>() ); } |
---|
719 | |
---|
720 | inline void last_write_time( const path & ph, const std::time_t new_time ) |
---|
721 | { last_write_time<path>( ph, new_time ); } |
---|
722 | inline void last_write_time( const wpath & ph, const std::time_t new_time ) |
---|
723 | { last_write_time<wpath>( ph, new_time ); } |
---|
724 | |
---|
725 | # endif // BOOST_FILESYSTEM_NARROW_ONLY |
---|
726 | |
---|
727 | namespace detail |
---|
728 | { |
---|
729 | template<class Path> |
---|
730 | unsigned long remove_all_aux( const Path & ph ) |
---|
731 | { |
---|
732 | static const boost::filesystem::basic_directory_iterator<Path> end_itr; |
---|
733 | unsigned long count = 1; |
---|
734 | if ( !boost::filesystem::is_symlink( ph ) // don't recurse symbolic links |
---|
735 | && boost::filesystem::is_directory( ph ) ) |
---|
736 | { |
---|
737 | for ( boost::filesystem::basic_directory_iterator<Path> itr( ph ); |
---|
738 | itr != end_itr; ++itr ) |
---|
739 | { |
---|
740 | count += remove_all_aux( itr->path() ); |
---|
741 | } |
---|
742 | } |
---|
743 | boost::filesystem::remove( ph ); |
---|
744 | return count; |
---|
745 | } |
---|
746 | |
---|
747 | // test helper -------------------------------------------------------------// |
---|
748 | |
---|
749 | // not part of the documented interface because false positives are possible; |
---|
750 | // there is no law that says that an OS that has large stat.st_size |
---|
751 | // actually supports large file sizes. |
---|
752 | BOOST_FILESYSTEM_DECL bool possible_large_file_size_support(); |
---|
753 | |
---|
754 | // directory_iterator helpers ----------------------------------------------// |
---|
755 | |
---|
756 | // forwarding functions avoid need for BOOST_FILESYSTEM_DECL for class |
---|
757 | // basic_directory_iterator, and so avoid iterator_facade DLL template |
---|
758 | // problems. They also overload to the proper external path character type. |
---|
759 | |
---|
760 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
---|
761 | dir_itr_first( void *& handle, |
---|
762 | #if defined(BOOST_POSIX_API) |
---|
763 | void *& buffer, |
---|
764 | #endif |
---|
765 | const std::string & dir_path, |
---|
766 | std::string & target, file_status & fs, file_status & symlink_fs ); |
---|
767 | // eof: return==0 && handle==0 |
---|
768 | |
---|
769 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
---|
770 | dir_itr_increment( void *& handle, |
---|
771 | #if defined(BOOST_POSIX_API) |
---|
772 | void *& buffer, |
---|
773 | #endif |
---|
774 | std::string & target, file_status & fs, file_status & symlink_fs ); |
---|
775 | // eof: return==0 && handle==0 |
---|
776 | |
---|
777 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
---|
778 | dir_itr_close( void *& handle |
---|
779 | #if defined(BOOST_POSIX_API) |
---|
780 | , void *& buffer |
---|
781 | #endif |
---|
782 | ); |
---|
783 | // Effects: none if handle==0, otherwise close handle, set handle=0 |
---|
784 | |
---|
785 | # if defined(BOOST_WINDOWS_API) && !defined(BOOST_FILESYSTEM_NARROW_ONLY) |
---|
786 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
---|
787 | dir_itr_first( void *& handle, const std::wstring & ph, |
---|
788 | std::wstring & target, file_status & fs, file_status & symlink_fs ); |
---|
789 | BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type |
---|
790 | dir_itr_increment( void *& handle, std::wstring & target, |
---|
791 | file_status & fs, file_status & symlink_fs ); |
---|
792 | # endif |
---|
793 | |
---|
794 | template< class Path > |
---|
795 | class dir_itr_imp |
---|
796 | { |
---|
797 | public: |
---|
798 | basic_directory_entry<Path> m_directory_entry; |
---|
799 | void * m_handle; |
---|
800 | # ifdef BOOST_POSIX_API |
---|
801 | void * m_buffer; // see dir_itr_increment implementation |
---|
802 | # endif |
---|
803 | dir_itr_imp() : m_handle(0) |
---|
804 | # ifdef BOOST_POSIX_API |
---|
805 | , m_buffer(0) |
---|
806 | # endif |
---|
807 | {} |
---|
808 | |
---|
809 | ~dir_itr_imp() { dir_itr_close( m_handle |
---|
810 | #if defined(BOOST_POSIX_API) |
---|
811 | , m_buffer |
---|
812 | #endif |
---|
813 | ); } |
---|
814 | }; |
---|
815 | |
---|
816 | BOOST_FILESYSTEM_DECL extern system_error_type not_found_error; |
---|
817 | } // namespace detail |
---|
818 | |
---|
819 | // basic_directory_iterator ------------------------------------------------// |
---|
820 | |
---|
821 | template< class Path > |
---|
822 | class basic_directory_iterator |
---|
823 | : public boost::iterator_facade< |
---|
824 | basic_directory_iterator<Path>, |
---|
825 | basic_directory_entry<Path>, |
---|
826 | boost::single_pass_traversal_tag > |
---|
827 | { |
---|
828 | public: |
---|
829 | typedef Path path_type; |
---|
830 | |
---|
831 | basic_directory_iterator(){} // creates the "end" iterator |
---|
832 | |
---|
833 | explicit basic_directory_iterator( const Path & dir_path ); |
---|
834 | basic_directory_iterator( const Path & dir_path, system_error_type & ec ); |
---|
835 | |
---|
836 | private: |
---|
837 | |
---|
838 | // shared_ptr provides shallow-copy semantics required for InputIterators. |
---|
839 | // m_imp.get()==0 indicates the end iterator. |
---|
840 | boost::shared_ptr< detail::dir_itr_imp< Path > > m_imp; |
---|
841 | |
---|
842 | friend class boost::iterator_core_access; |
---|
843 | |
---|
844 | typename boost::iterator_facade< |
---|
845 | basic_directory_iterator<Path>, |
---|
846 | basic_directory_entry<Path>, |
---|
847 | boost::single_pass_traversal_tag >::reference dereference() const |
---|
848 | { |
---|
849 | BOOST_ASSERT( m_imp.get() && "attempt to dereference end iterator" ); |
---|
850 | return m_imp->m_directory_entry; |
---|
851 | } |
---|
852 | |
---|
853 | void increment(); |
---|
854 | |
---|
855 | bool equal( const basic_directory_iterator & rhs ) const |
---|
856 | { return m_imp == rhs.m_imp; } |
---|
857 | |
---|
858 | system_error_type m_init( const Path & dir_path ); |
---|
859 | }; |
---|
860 | |
---|
861 | typedef basic_directory_iterator< path > directory_iterator; |
---|
862 | # ifndef BOOST_FILESYSTEM_NARROW_ONLY |
---|
863 | typedef basic_directory_iterator< wpath > wdirectory_iterator; |
---|
864 | # endif |
---|
865 | |
---|
866 | // basic_directory_iterator implementation ---------------------------// |
---|
867 | |
---|
868 | template<class Path> |
---|
869 | system_error_type basic_directory_iterator<Path>::m_init( |
---|
870 | const Path & dir_path ) |
---|
871 | { |
---|
872 | if ( dir_path.empty() ) |
---|
873 | { |
---|
874 | m_imp.reset(); |
---|
875 | return detail::not_found_error; |
---|
876 | } |
---|
877 | system_error_type sys_err; |
---|
878 | typename Path::external_string_type name; |
---|
879 | file_status fs, symlink_fs; |
---|
880 | |
---|
881 | if ( (sys_err = detail::dir_itr_first( m_imp->m_handle, |
---|
882 | #if defined(BOOST_POSIX_API) |
---|
883 | m_imp->m_buffer, |
---|
884 | #endif |
---|
885 | dir_path.external_directory_string(), |
---|
886 | name, fs, symlink_fs )) != 0 ) |
---|
887 | { |
---|
888 | m_imp.reset(); |
---|
889 | return sys_err; |
---|
890 | } |
---|
891 | |
---|
892 | if ( m_imp->m_handle == 0 ) m_imp.reset(); // eof, so make end iterator |
---|
893 | else // not eof |
---|
894 | { |
---|
895 | m_imp->m_directory_entry.assign( dir_path |
---|
896 | / Path::traits_type::to_internal( name ), fs, symlink_fs ); |
---|
897 | if ( name[0] == dot<Path>::value // dot or dot-dot |
---|
898 | && (name.size() == 1 |
---|
899 | || (name[1] == dot<Path>::value |
---|
900 | && name.size() == 2)) ) |
---|
901 | { increment(); } |
---|
902 | } |
---|
903 | return 0; |
---|
904 | } |
---|
905 | |
---|
906 | template<class Path> |
---|
907 | basic_directory_iterator<Path>::basic_directory_iterator( |
---|
908 | const Path & dir_path ) |
---|
909 | : m_imp( new detail::dir_itr_imp<Path> ) |
---|
910 | { |
---|
911 | system_error_type ec( m_init(dir_path) ); |
---|
912 | if ( ec != 0 ) |
---|
913 | { |
---|
914 | boost::throw_exception( basic_filesystem_error<Path>( |
---|
915 | "boost::filesystem::basic_directory_iterator constructor", |
---|
916 | dir_path, ec ) ); |
---|
917 | } |
---|
918 | } |
---|
919 | |
---|
920 | template<class Path> |
---|
921 | basic_directory_iterator<Path>::basic_directory_iterator( |
---|
922 | const Path & dir_path, system_error_type & ec ) |
---|
923 | : m_imp( new detail::dir_itr_imp<Path> ) |
---|
924 | { |
---|
925 | ec = m_init(dir_path); |
---|
926 | } |
---|
927 | |
---|
928 | template<class Path> |
---|
929 | void basic_directory_iterator<Path>::increment() |
---|
930 | { |
---|
931 | BOOST_ASSERT( m_imp.get() && "attempt to increment end iterator" ); |
---|
932 | BOOST_ASSERT( m_imp->m_handle != 0 && "internal program error" ); |
---|
933 | |
---|
934 | system_error_type sys_err(0); |
---|
935 | typename Path::external_string_type name; |
---|
936 | file_status fs, symlink_fs; |
---|
937 | |
---|
938 | for (;;) |
---|
939 | { |
---|
940 | if ( (sys_err = detail::dir_itr_increment( m_imp->m_handle, |
---|
941 | #if defined(BOOST_POSIX_API) |
---|
942 | m_imp->m_buffer, |
---|
943 | #endif |
---|
944 | name, fs, symlink_fs )) != 0 ) |
---|
945 | { |
---|
946 | boost::throw_exception( basic_filesystem_error<Path>( |
---|
947 | "boost::filesystem::basic_directory_iterator increment", |
---|
948 | m_imp->m_directory_entry.path().branch_path(), sys_err ) ); |
---|
949 | } |
---|
950 | if ( m_imp->m_handle == 0 ) { m_imp.reset(); return; } // eof, make end |
---|
951 | if ( !(name[0] == dot<Path>::value // !(dot or dot-dot) |
---|
952 | && (name.size() == 1 |
---|
953 | || (name[1] == dot<Path>::value |
---|
954 | && name.size() == 2))) ) |
---|
955 | { |
---|
956 | m_imp->m_directory_entry.replace_leaf( |
---|
957 | Path::traits_type::to_internal( name ), fs, symlink_fs ); |
---|
958 | return; |
---|
959 | } |
---|
960 | } |
---|
961 | } |
---|
962 | |
---|
963 | // basic_directory_entry -----------------------------------------------// |
---|
964 | |
---|
965 | template<class Path> |
---|
966 | class basic_directory_entry |
---|
967 | { |
---|
968 | public: |
---|
969 | typedef Path path_type; |
---|
970 | typedef typename Path::string_type string_type; |
---|
971 | |
---|
972 | // compiler generated copy-ctor, copy assignment, and destructor apply |
---|
973 | |
---|
974 | basic_directory_entry() {} |
---|
975 | explicit basic_directory_entry( const path_type & p, |
---|
976 | file_status st = file_status(), file_status symlink_st=file_status() ) |
---|
977 | : m_path(p), m_status(st), m_symlink_status(symlink_st) |
---|
978 | {} |
---|
979 | |
---|
980 | void assign( const path_type & p, |
---|
981 | file_status st, file_status symlink_st ) |
---|
982 | { m_path = p; m_status = st; m_symlink_status = symlink_st; } |
---|
983 | |
---|
984 | void replace_leaf( const string_type & s, |
---|
985 | file_status st, file_status symlink_st ) |
---|
986 | { |
---|
987 | m_path.remove_leaf(); |
---|
988 | m_path /= s; |
---|
989 | m_status = st; |
---|
990 | m_symlink_status = symlink_st; |
---|
991 | } |
---|
992 | |
---|
993 | const Path & path() const { return m_path; } |
---|
994 | file_status status() const; |
---|
995 | file_status status( system_error_type & ec ) const; |
---|
996 | file_status symlink_status() const; |
---|
997 | file_status symlink_status( system_error_type & ec ) const; |
---|
998 | |
---|
999 | // conversion simplifies the most common use of basic_directory_entry |
---|
1000 | operator const path_type &() const { return m_path; } |
---|
1001 | |
---|
1002 | # ifndef BOOST_FILESYSTEM_NO_DEPRECATED |
---|
1003 | // deprecated functions preserve common use cases in legacy code |
---|
1004 | typename Path::string_type leaf() const |
---|
1005 | { |
---|
1006 | return path().leaf(); |
---|
1007 | } |
---|
1008 | typename Path::string_type string() const |
---|
1009 | { |
---|
1010 | return path().string(); |
---|
1011 | } |
---|
1012 | # endif |
---|
1013 | |
---|
1014 | private: |
---|
1015 | path_type m_path; |
---|
1016 | mutable file_status m_status; // stat()-like |
---|
1017 | mutable file_status m_symlink_status; // lstat()-like |
---|
1018 | // note: m_symlink_status is not used by Windows implementation |
---|
1019 | |
---|
1020 | }; // basic_directory_status |
---|
1021 | |
---|
1022 | typedef basic_directory_entry<path> directory_entry; |
---|
1023 | # ifndef BOOST_FILESYSTEM_NARROW_ONLY |
---|
1024 | typedef basic_directory_entry<wpath> wdirectory_entry; |
---|
1025 | # endif |
---|
1026 | |
---|
1027 | // basic_directory_entry implementation --------------------------------// |
---|
1028 | |
---|
1029 | template<class Path> |
---|
1030 | file_status |
---|
1031 | basic_directory_entry<Path>::status() const |
---|
1032 | { |
---|
1033 | if ( !status_known( m_status ) ) |
---|
1034 | { |
---|
1035 | # ifndef BOOST_WINDOWS_API |
---|
1036 | if ( status_known( m_symlink_status ) |
---|
1037 | && !is_symlink( m_symlink_status ) ) |
---|
1038 | { m_status = m_symlink_status; } |
---|
1039 | else { m_status = boost::filesystem::status( m_path ); } |
---|
1040 | # else |
---|
1041 | m_status = boost::filesystem::status( m_path ); |
---|
1042 | # endif |
---|
1043 | } |
---|
1044 | return m_status; |
---|
1045 | } |
---|
1046 | |
---|
1047 | template<class Path> |
---|
1048 | file_status |
---|
1049 | basic_directory_entry<Path>::status( system_error_type & ec ) const |
---|
1050 | { |
---|
1051 | if ( !status_known( m_status ) ) |
---|
1052 | { |
---|
1053 | # ifndef BOOST_WINDOWS_API |
---|
1054 | if ( status_known( m_symlink_status ) |
---|
1055 | && !is_symlink( m_symlink_status ) ) |
---|
1056 | { ec = 0; m_status = m_symlink_status; } |
---|
1057 | else { m_status = boost::filesystem::status( m_path, ec ); } |
---|
1058 | # else |
---|
1059 | m_status = boost::filesystem::status( m_path, ec ); |
---|
1060 | # endif |
---|
1061 | } |
---|
1062 | else ec = 0; |
---|
1063 | return m_status; |
---|
1064 | } |
---|
1065 | |
---|
1066 | template<class Path> |
---|
1067 | file_status |
---|
1068 | basic_directory_entry<Path>::symlink_status() const |
---|
1069 | { |
---|
1070 | # ifndef BOOST_WINDOWS_API |
---|
1071 | if ( !status_known( m_symlink_status ) ) |
---|
1072 | { m_symlink_status = boost::filesystem::symlink_status( m_path ); } |
---|
1073 | return m_symlink_status; |
---|
1074 | # else |
---|
1075 | return status(); |
---|
1076 | # endif |
---|
1077 | } |
---|
1078 | |
---|
1079 | template<class Path> |
---|
1080 | file_status |
---|
1081 | basic_directory_entry<Path>::symlink_status( system_error_type & ec ) const |
---|
1082 | { |
---|
1083 | # ifndef BOOST_WINDOWS_API |
---|
1084 | if ( !status_known( m_symlink_status ) ) |
---|
1085 | { m_symlink_status = boost::filesystem::symlink_status( m_path, ec ); } |
---|
1086 | else ec = 0; |
---|
1087 | return m_symlink_status; |
---|
1088 | # else |
---|
1089 | return status( ec ); |
---|
1090 | # endif |
---|
1091 | } |
---|
1092 | } // namespace filesystem |
---|
1093 | } // namespace boost |
---|
1094 | |
---|
1095 | #undef BOOST_FS_FUNC |
---|
1096 | |
---|
1097 | |
---|
1098 | #include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas |
---|
1099 | #endif // BOOST_FILESYSTEM_OPERATIONS_HPP |
---|