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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 // Distributed under the Boost Software License, Version 1.0. (See accompanying |
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8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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9 |
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10 // See library home page at http://www.boost.org/libs/filesystem |
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11 |
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12 //----------------------------------------------------------------------------// |
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13 |
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14 #ifndef BOOST_FILESYSTEM_OPERATIONS_HPP |
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15 #define BOOST_FILESYSTEM_OPERATIONS_HPP |
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16 |
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17 #include <boost/filesystem/path.hpp> |
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18 |
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19 #include <boost/shared_ptr.hpp> |
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20 #include <boost/utility/enable_if.hpp> |
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21 #include <boost/type_traits/is_same.hpp> |
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22 #include <boost/iterator.hpp> |
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23 #include <boost/cstdint.hpp> |
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24 #include <boost/assert.hpp> |
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25 |
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26 #include <string> |
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27 #include <utility> // for pair |
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28 #include <ctime> |
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29 |
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30 #ifdef BOOST_WINDOWS_API |
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31 # include <fstream> |
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32 # if !defined(_WIN32_WINNT) || _WIN32_WINNT >= 0x0500 |
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33 # define BOOST_FS_HARD_LINK // Default for Windows 2K or later |
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34 # endif |
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35 #endif |
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36 |
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37 #include <boost/config/abi_prefix.hpp> // must be the last #include |
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38 |
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39 # ifdef BOOST_NO_STDC_NAMESPACE |
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40 namespace std { using ::time_t; } |
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41 # endif |
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42 |
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43 //----------------------------------------------------------------------------// |
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44 |
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45 namespace boost |
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46 { |
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47 namespace filesystem |
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48 { |
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49 |
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50 // typedef boost::filesystem::path Path; needs to be in namespace boost::filesystem |
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51 # ifndef BOOST_FILESYSTEM_NARROW_ONLY |
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52 # define BOOST_FS_FUNC(BOOST_FS_TYPE) \ |
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53 template<class Path> typename boost::enable_if<is_basic_path<Path>, \ |
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54 BOOST_FS_TYPE>::type |
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55 # define BOOST_INLINE_FS_FUNC(BOOST_FS_TYPE) \ |
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56 template<class Path> inline typename boost::enable_if<is_basic_path<Path>, \ |
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57 BOOST_FS_TYPE>::type |
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58 # define BOOST_FS_TYPENAME typename |
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59 # else |
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60 # define BOOST_FS_FUNC(BOOST_FS_TYPE) inline BOOST_FS_TYPE |
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61 # define BOOST_INLINE_FS_FUNC(BOOST_FS_TYPE) inline BOOST_FS_TYPE |
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62 typedef boost::filesystem::path Path; |
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63 # define BOOST_FS_TYPENAME |
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64 # endif |
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65 |
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66 template<class Path> class basic_directory_iterator; |
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67 |
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68 // BOOST_FILESYSTEM_NARROW_ONLY needs this: |
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69 typedef basic_directory_iterator<path> directory_iterator; |
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70 |
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71 template<class Path> class basic_directory_entry; |
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72 |
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73 enum file_type |
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74 { |
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75 status_unknown, |
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76 file_not_found, |
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77 regular_file, |
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78 directory_file, |
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79 // the following will never be reported by some operating or file systems |
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80 symlink_file, |
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81 block_file, |
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82 character_file, |
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83 fifo_file, |
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84 socket_file, |
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85 type_unknown // file does exist, but isn't one of the above types or |
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86 // we don't have strong enough permission to find its type |
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87 }; |
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88 |
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89 class file_status |
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90 { |
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91 public: |
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92 explicit file_status( file_type v = status_unknown ) : m_value(v) {} |
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93 |
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94 void type( file_type v ) { m_value = v; } |
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95 file_type type() const { return m_value; } |
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96 |
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97 private: |
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98 // the internal representation is unspecified so that additional state |
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99 // information such as permissions can be added in the future; this |
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100 // implementation just uses status_type as the internal representation |
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101 |
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102 file_type m_value; |
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103 }; |
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104 |
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105 inline bool status_known( file_status f ) { return f.type() != status_unknown; } |
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106 inline bool exists( file_status f ) { return f.type() != status_unknown && f.type() != file_not_found; } |
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107 inline bool is_regular_file(file_status f){ return f.type() == regular_file; } |
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108 inline bool is_directory( file_status f ) { return f.type() == directory_file; } |
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109 inline bool is_symlink( file_status f ) { return f.type() == symlink_file; } |
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110 inline bool is_other( file_status f ) { return exists(f) && !is_regular_file(f) && !is_directory(f) && !is_symlink(f); } |
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111 |
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112 # ifndef BOOST_FILESYSTEM_NO_DEPRECATED |
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113 inline bool is_regular( file_status f ) { return f.type() == regular_file; } |
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114 # endif |
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115 |
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116 struct space_info |
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117 { |
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118 // all values are byte counts |
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119 boost::uintmax_t capacity; |
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120 boost::uintmax_t free; // <= capacity |
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121 boost::uintmax_t available; // <= free |
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122 }; |
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123 |
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124 namespace detail |
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125 { |
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126 typedef std::pair< system::error_code, bool > |
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127 query_pair; |
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128 |
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129 typedef std::pair< system::error_code, boost::uintmax_t > |
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130 uintmax_pair; |
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131 |
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132 typedef std::pair< system::error_code, std::time_t > |
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133 time_pair; |
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134 |
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135 typedef std::pair< system::error_code, space_info > |
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136 space_pair; |
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137 |
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138 template< class Path > |
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139 struct directory_pair |
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140 { |
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141 typedef std::pair< system::error_code, |
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142 typename Path::external_string_type > type; |
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143 }; |
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144 |
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145 # ifndef BOOST_FILESYSTEM_NO_DEPRECATED |
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146 BOOST_FILESYSTEM_DECL bool |
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147 symbolic_link_exists_api( const std::string & ); // deprecated |
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148 # endif |
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149 |
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150 BOOST_FILESYSTEM_DECL file_status |
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151 status_api( const std::string & ph, system::error_code & ec ); |
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152 # ifndef BOOST_WINDOWS_API |
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153 BOOST_FILESYSTEM_DECL file_status |
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154 symlink_status_api( const std::string & ph, system::error_code & ec ); |
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155 # endif |
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156 BOOST_FILESYSTEM_DECL query_pair |
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157 is_empty_api( const std::string & ph ); |
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158 BOOST_FILESYSTEM_DECL query_pair |
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159 equivalent_api( const std::string & ph1, const std::string & ph2 ); |
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160 BOOST_FILESYSTEM_DECL uintmax_pair |
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161 file_size_api( const std::string & ph ); |
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162 BOOST_FILESYSTEM_DECL space_pair |
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163 space_api( const std::string & ph ); |
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164 BOOST_FILESYSTEM_DECL time_pair |
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165 last_write_time_api( const std::string & ph ); |
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166 BOOST_FILESYSTEM_DECL system::error_code |
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167 last_write_time_api( const std::string & ph, std::time_t new_value ); |
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168 BOOST_FILESYSTEM_DECL system::error_code |
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169 get_current_path_api( std::string & ph ); |
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170 BOOST_FILESYSTEM_DECL system::error_code |
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171 set_current_path_api( const std::string & ph ); |
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172 BOOST_FILESYSTEM_DECL query_pair |
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173 create_directory_api( const std::string & ph ); |
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174 BOOST_FILESYSTEM_DECL system::error_code |
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175 create_hard_link_api( const std::string & to_ph, |
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176 const std::string & from_ph ); |
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177 BOOST_FILESYSTEM_DECL system::error_code |
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178 create_symlink_api( const std::string & to_ph, |
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179 const std::string & from_ph ); |
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180 BOOST_FILESYSTEM_DECL system::error_code |
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181 remove_api( const std::string & ph ); |
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182 BOOST_FILESYSTEM_DECL system::error_code |
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183 rename_api( const std::string & from, const std::string & to ); |
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184 BOOST_FILESYSTEM_DECL system::error_code |
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185 copy_file_api( const std::string & from, const std::string & to ); |
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186 |
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187 # if defined(BOOST_WINDOWS_API) |
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188 |
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189 BOOST_FILESYSTEM_DECL system::error_code |
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190 get_full_path_name_api( const std::string & ph, std::string & target ); |
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191 |
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192 # if !defined(BOOST_FILESYSTEM_NARROW_ONLY) |
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193 |
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194 BOOST_FILESYSTEM_DECL boost::filesystem::file_status |
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195 status_api( const std::wstring & ph, system::error_code & ec ); |
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196 BOOST_FILESYSTEM_DECL query_pair |
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197 is_empty_api( const std::wstring & ph ); |
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198 BOOST_FILESYSTEM_DECL query_pair |
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199 equivalent_api( const std::wstring & ph1, const std::wstring & ph2 ); |
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200 BOOST_FILESYSTEM_DECL uintmax_pair |
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201 file_size_api( const std::wstring & ph ); |
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202 BOOST_FILESYSTEM_DECL space_pair |
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203 space_api( const std::wstring & ph ); |
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204 BOOST_FILESYSTEM_DECL system::error_code |
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205 get_full_path_name_api( const std::wstring & ph, std::wstring & target ); |
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206 BOOST_FILESYSTEM_DECL time_pair |
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207 last_write_time_api( const std::wstring & ph ); |
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208 BOOST_FILESYSTEM_DECL system::error_code |
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209 last_write_time_api( const std::wstring & ph, std::time_t new_value ); |
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210 BOOST_FILESYSTEM_DECL system::error_code |
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211 get_current_path_api( std::wstring & ph ); |
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212 BOOST_FILESYSTEM_DECL system::error_code |
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213 set_current_path_api( const std::wstring & ph ); |
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214 BOOST_FILESYSTEM_DECL query_pair |
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215 create_directory_api( const std::wstring & ph ); |
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216 # ifdef BOOST_FS_HARD_LINK |
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217 BOOST_FILESYSTEM_DECL system::error_code |
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218 create_hard_link_api( const std::wstring & existing_ph, |
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219 const std::wstring & new_ph ); |
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220 # endif |
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221 BOOST_FILESYSTEM_DECL system::error_code |
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222 create_symlink_api( const std::wstring & to_ph, |
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223 const std::wstring & from_ph ); |
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224 BOOST_FILESYSTEM_DECL system::error_code |
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225 remove_api( const std::wstring & ph ); |
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226 BOOST_FILESYSTEM_DECL system::error_code |
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227 rename_api( const std::wstring & from, const std::wstring & to ); |
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228 BOOST_FILESYSTEM_DECL system::error_code |
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229 copy_file_api( const std::wstring & from, const std::wstring & to ); |
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230 |
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231 # endif |
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232 # endif |
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233 |
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234 template<class Path> |
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235 bool remove_aux( const Path & ph, file_status f ); |
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236 |
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237 template<class Path> |
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238 unsigned long remove_all_aux( const Path & ph, file_status f ); |
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239 |
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240 } // namespace detail |
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241 |
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242 // operations functions ----------------------------------------------------// |
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243 |
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244 // The non-template overloads enable automatic conversion from std and |
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245 // C-style strings. See basic_path constructors. The enable_if for the |
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246 // templates implements the famous "do-the-right-thing" rule. |
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247 |
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248 // query functions ---------------------------------------------------------// |
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249 |
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250 BOOST_INLINE_FS_FUNC(file_status) |
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251 status( const Path & ph, system::error_code & ec ) |
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252 { return detail::status_api( ph.external_file_string(), ec ); } |
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253 |
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254 BOOST_FS_FUNC(file_status) |
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255 status( const Path & ph ) |
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256 { |
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257 system::error_code ec; |
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258 file_status result( detail::status_api( ph.external_file_string(), ec ) ); |
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259 if ( ec ) |
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260 boost::throw_exception( basic_filesystem_error<Path>( |
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261 "boost::filesystem::status", ph, ec ) ); |
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262 return result; |
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263 } |
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264 |
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265 BOOST_INLINE_FS_FUNC(file_status) |
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266 symlink_status( const Path & ph, system::error_code & ec ) |
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267 # ifdef BOOST_WINDOWS_API |
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268 { return detail::status_api( ph.external_file_string(), ec ); } |
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269 # else |
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270 { return detail::symlink_status_api( ph.external_file_string(), ec ); } |
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271 # endif |
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272 |
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273 BOOST_FS_FUNC(file_status) |
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274 symlink_status( const Path & ph ) |
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275 { |
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276 system::error_code ec; |
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277 file_status result( symlink_status( ph, ec ) ); |
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278 if ( ec ) |
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279 boost::throw_exception( basic_filesystem_error<Path>( |
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280 "boost::filesystem::symlink_status", ph, ec ) ); |
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281 return result; |
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282 } |
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283 |
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284 # ifndef BOOST_FILESYSTEM_NO_DEPRECATED |
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285 inline bool symbolic_link_exists( const path & ph ) |
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286 { return is_symlink( symlink_status(ph) ); } |
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287 # endif |
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288 |
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289 BOOST_FS_FUNC(bool) exists( const Path & ph ) |
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290 { |
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291 system::error_code ec; |
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292 file_status result( detail::status_api( ph.external_file_string(), ec ) ); |
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293 if ( ec ) |
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294 boost::throw_exception( basic_filesystem_error<Path>( |
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295 "boost::filesystem::exists", ph, ec ) ); |
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296 return exists( result ); |
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297 } |
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298 |
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299 BOOST_FS_FUNC(bool) is_directory( const Path & ph ) |
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300 { |
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301 system::error_code ec; |
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302 file_status result( detail::status_api( ph.external_file_string(), ec ) ); |
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303 if ( ec ) |
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304 boost::throw_exception( basic_filesystem_error<Path>( |
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305 "boost::filesystem::is_directory", ph, ec ) ); |
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306 return is_directory( result ); |
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307 } |
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308 |
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309 BOOST_FS_FUNC(bool) is_regular_file( const Path & ph ) |
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310 { |
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311 system::error_code ec; |
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312 file_status result( detail::status_api( ph.external_file_string(), ec ) ); |
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313 if ( ec ) |
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314 boost::throw_exception( basic_filesystem_error<Path>( |
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315 "boost::filesystem::is_regular_file", ph, ec ) ); |
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316 return is_regular_file( result ); |
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317 } |
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318 |
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319 # ifndef BOOST_FILESYSTEM_NO_DEPRECATED |
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320 BOOST_FS_FUNC(bool) is_regular( const Path & ph ) |
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321 { |
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322 system::error_code ec; |
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323 file_status result( detail::status_api( ph.external_file_string(), ec ) ); |
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324 if ( ec ) |
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325 boost::throw_exception( basic_filesystem_error<Path>( |
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326 "boost::filesystem::is_regular", ph, ec ) ); |
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327 return is_regular( result ); |
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328 } |
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329 # endif |
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330 |
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331 BOOST_FS_FUNC(bool) is_other( const Path & ph ) |
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332 { |
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333 system::error_code ec; |
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334 file_status result( detail::status_api( ph.external_file_string(), ec ) ); |
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335 if ( ec ) |
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336 boost::throw_exception( basic_filesystem_error<Path>( |
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337 "boost::filesystem::is_other", ph, ec ) ); |
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338 return is_other( result ); |
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339 } |
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340 |
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341 BOOST_FS_FUNC(bool) is_symlink( |
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342 # ifdef BOOST_WINDOWS_API |
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343 const Path & ) |
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344 { |
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345 return false; |
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346 # else |
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347 const Path & ph) |
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348 { |
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349 system::error_code ec; |
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350 file_status result( detail::symlink_status_api( ph.external_file_string(), ec ) ); |
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351 if ( ec ) |
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352 boost::throw_exception( basic_filesystem_error<Path>( |
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353 "boost::filesystem::is_symlink", ph, ec ) ); |
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354 return is_symlink( result ); |
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355 # endif |
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356 } |
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357 |
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358 // VC++ 7.0 and earlier has a serious namespace bug that causes a clash |
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359 // between boost::filesystem::is_empty and the unrelated type trait |
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360 // boost::is_empty. |
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361 |
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362 # if !defined( BOOST_MSVC ) || BOOST_MSVC > 1300 |
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363 BOOST_FS_FUNC(bool) is_empty( const Path & ph ) |
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364 # else |
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365 BOOST_FS_FUNC(bool) _is_empty( const Path & ph ) |
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366 # endif |
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367 { |
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368 detail::query_pair result( |
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369 detail::is_empty_api( ph.external_file_string() ) ); |
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370 if ( result.first ) |
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371 boost::throw_exception( basic_filesystem_error<Path>( |
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372 "boost::filesystem::is_empty", ph, result.first ) ); |
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373 return result.second; |
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374 } |
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375 |
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376 BOOST_FS_FUNC(bool) equivalent( const Path & ph1, const Path & ph2 ) |
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377 { |
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378 detail::query_pair result( detail::equivalent_api( |
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379 ph1.external_file_string(), ph2.external_file_string() ) ); |
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380 if ( result.first ) |
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381 boost::throw_exception( basic_filesystem_error<Path>( |
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382 "boost::filesystem::equivalent", ph1, ph2, result.first ) ); |
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383 return result.second; |
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384 } |
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385 |
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386 BOOST_FS_FUNC(boost::uintmax_t) file_size( const Path & ph ) |
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387 { |
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388 detail::uintmax_pair result |
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389 ( detail::file_size_api( ph.external_file_string() ) ); |
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390 if ( result.first ) |
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391 boost::throw_exception( basic_filesystem_error<Path>( |
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392 "boost::filesystem::file_size", ph, result.first ) ); |
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393 return result.second; |
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394 } |
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395 |
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396 BOOST_FS_FUNC(space_info) space( const Path & ph ) |
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397 { |
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398 detail::space_pair result |
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399 ( detail::space_api( ph.external_file_string() ) ); |
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400 if ( result.first ) |
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401 boost::throw_exception( basic_filesystem_error<Path>( |
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402 "boost::filesystem::space", ph, result.first ) ); |
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403 return result.second; |
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404 } |
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405 |
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406 BOOST_FS_FUNC(std::time_t) last_write_time( const Path & ph ) |
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407 { |
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408 detail::time_pair result |
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409 ( detail::last_write_time_api( ph.external_file_string() ) ); |
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410 if ( result.first ) |
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411 boost::throw_exception( basic_filesystem_error<Path>( |
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412 "boost::filesystem::last_write_time", ph, result.first ) ); |
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413 return result.second; |
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414 } |
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415 |
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416 |
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417 // operations --------------------------------------------------------------// |
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418 |
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419 BOOST_FS_FUNC(bool) create_directory( const Path & dir_ph ) |
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420 { |
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421 detail::query_pair result( |
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422 detail::create_directory_api( dir_ph.external_directory_string() ) ); |
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423 if ( result.first ) |
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424 boost::throw_exception( basic_filesystem_error<Path>( |
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425 "boost::filesystem::create_directory", |
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426 dir_ph, result.first ) ); |
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427 return result.second; |
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428 } |
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429 |
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430 #if !defined(BOOST_WINDOWS_API) || defined(BOOST_FS_HARD_LINK) |
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431 BOOST_FS_FUNC(void) |
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432 create_hard_link( const Path & to_ph, const Path & from_ph ) |
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433 { |
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434 system::error_code ec( |
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435 detail::create_hard_link_api( |
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436 to_ph.external_file_string(), |
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437 from_ph.external_file_string() ) ); |
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438 if ( ec ) |
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439 boost::throw_exception( basic_filesystem_error<Path>( |
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440 "boost::filesystem::create_hard_link", |
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441 to_ph, from_ph, ec ) ); |
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442 } |
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443 |
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444 BOOST_FS_FUNC(system::error_code) |
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445 create_hard_link( const Path & to_ph, const Path & from_ph, |
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446 system::error_code & ec ) |
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447 { |
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448 ec = detail::create_hard_link_api( |
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449 to_ph.external_file_string(), |
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450 from_ph.external_file_string() ); |
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451 return ec; |
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452 } |
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453 #endif |
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454 |
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455 BOOST_FS_FUNC(void) |
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456 create_symlink( const Path & to_ph, const Path & from_ph ) |
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457 { |
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458 system::error_code ec( |
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459 detail::create_symlink_api( |
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460 to_ph.external_file_string(), |
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461 from_ph.external_file_string() ) ); |
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462 if ( ec ) |
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463 boost::throw_exception( basic_filesystem_error<Path>( |
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464 "boost::filesystem::create_symlink", |
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465 to_ph, from_ph, ec ) ); |
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466 } |
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467 |
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468 BOOST_FS_FUNC(system::error_code) |
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469 create_symlink( const Path & to_ph, const Path & from_ph, |
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470 system::error_code & ec ) |
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471 { |
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472 ec = detail::create_symlink_api( |
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473 to_ph.external_file_string(), |
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474 from_ph.external_file_string() ); |
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475 return ec; |
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476 } |
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477 |
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478 BOOST_FS_FUNC(bool) remove( const Path & ph ) |
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479 { |
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480 system::error_code ec; |
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481 file_status f = symlink_status( ph, ec ); |
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482 if ( ec ) |
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483 boost::throw_exception( basic_filesystem_error<Path>( |
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484 "boost::filesystem::remove", ph, ec ) ); |
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485 return detail::remove_aux( ph, f ); |
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486 } |
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487 |
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488 BOOST_FS_FUNC(unsigned long) remove_all( const Path & ph ) |
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489 { |
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490 system::error_code ec; |
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491 file_status f = symlink_status( ph, ec ); |
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492 if ( ec ) |
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493 boost::throw_exception( basic_filesystem_error<Path>( |
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494 "boost::filesystem::remove_all", ph, ec ) ); |
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495 return exists( f ) ? detail::remove_all_aux( ph, f ) : 0; |
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496 } |
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497 |
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498 BOOST_FS_FUNC(void) rename( const Path & from_path, const Path & to_path ) |
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499 { |
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500 system::error_code ec( detail::rename_api( |
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501 from_path.external_directory_string(), |
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502 to_path.external_directory_string() ) ); |
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503 if ( ec ) |
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504 boost::throw_exception( basic_filesystem_error<Path>( |
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505 "boost::filesystem::rename", |
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506 from_path, to_path, ec ) ); |
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507 } |
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508 |
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509 BOOST_FS_FUNC(void) copy_file( const Path & from_path, const Path & to_path ) |
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510 { |
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511 system::error_code ec( detail::copy_file_api( |
|
512 from_path.external_directory_string(), |
|
513 to_path.external_directory_string() ) ); |
|
514 if ( ec ) |
|
515 boost::throw_exception( basic_filesystem_error<Path>( |
|
516 "boost::filesystem::copy_file", |
|
517 from_path, to_path, ec ) ); |
|
518 } |
|
519 |
|
520 template< class Path > |
|
521 Path current_path() |
|
522 { |
|
523 typename Path::external_string_type ph; |
|
524 system::error_code ec( detail::get_current_path_api( ph ) ); |
|
525 if ( ec ) |
|
526 boost::throw_exception( basic_filesystem_error<Path>( |
|
527 "boost::filesystem::current_path", ec ) ); |
|
528 return Path( Path::traits_type::to_internal( ph ) ); |
|
529 } |
|
530 |
|
531 BOOST_FS_FUNC(void) current_path( const Path & ph ) |
|
532 { |
|
533 system::error_code ec( detail::set_current_path_api( |
|
534 ph.external_directory_string() ) ); |
|
535 if ( ec ) |
|
536 boost::throw_exception( basic_filesystem_error<Path>( |
|
537 "boost::filesystem::current_path", ph, ec ) ); |
|
538 } |
|
539 |
|
540 template< class Path > |
|
541 const Path & initial_path() |
|
542 { |
|
543 static Path init_path; |
|
544 if ( init_path.empty() ) init_path = current_path<Path>(); |
|
545 return init_path; |
|
546 } |
|
547 |
|
548 # ifndef BOOST_FILESYSTEM_NO_DEPRECATED |
|
549 // legacy support |
|
550 inline path current_path() // overload supports pre-i18n apps |
|
551 { return current_path<boost::filesystem::path>(); } |
|
552 inline const path & initial_path() // overload supports pre-i18n apps |
|
553 { return initial_path<boost::filesystem::path>(); } |
|
554 # endif |
|
555 |
|
556 BOOST_FS_FUNC(Path) system_complete( const Path & ph ) |
|
557 { |
|
558 # ifdef BOOST_WINDOWS_API |
|
559 if ( ph.empty() ) return ph; |
|
560 BOOST_FS_TYPENAME Path::external_string_type sys_ph; |
|
561 system::error_code ec( detail::get_full_path_name_api( ph.external_file_string(), |
|
562 sys_ph ) ); |
|
563 if ( ec ) |
|
564 boost::throw_exception( basic_filesystem_error<Path>( |
|
565 "boost::filesystem::system_complete", ph, ec ) ); |
|
566 return Path( Path::traits_type::to_internal( sys_ph ) ); |
|
567 # else |
|
568 return (ph.empty() || ph.is_complete()) |
|
569 ? ph : current_path<Path>() / ph; |
|
570 # endif |
|
571 } |
|
572 |
|
573 BOOST_FS_FUNC(Path) |
|
574 complete( const Path & ph, |
|
575 const Path & base/* = initial_path<Path>() */) |
|
576 { |
|
577 BOOST_ASSERT( base.is_complete() |
|
578 && (ph.is_complete() || !ph.has_root_name()) |
|
579 && "boost::filesystem::complete() precondition not met" ); |
|
580 # ifdef BOOST_WINDOWS_PATH |
|
581 if (ph.empty() || ph.is_complete()) return ph; |
|
582 if ( !ph.has_root_name() ) |
|
583 return ph.has_root_directory() |
|
584 ? Path( base.root_name() ) / ph |
|
585 : base / ph; |
|
586 return base / ph; |
|
587 # else |
|
588 return (ph.empty() || ph.is_complete()) ? ph : base / ph; |
|
589 # endif |
|
590 } |
|
591 |
|
592 // VC++ 7.1 had trouble with default arguments, so separate one argument |
|
593 // signatures are provided as workarounds; the effect is the same. |
|
594 BOOST_FS_FUNC(Path) complete( const Path & ph ) |
|
595 { return complete( ph, initial_path<Path>() ); } |
|
596 |
|
597 BOOST_FS_FUNC(void) |
|
598 last_write_time( const Path & ph, const std::time_t new_time ) |
|
599 { |
|
600 system::error_code ec( detail::last_write_time_api( ph.external_file_string(), |
|
601 new_time ) ); |
|
602 if ( ec ) |
|
603 boost::throw_exception( basic_filesystem_error<Path>( |
|
604 "boost::filesystem::last_write_time", ph, ec ) ); |
|
605 } |
|
606 |
|
607 # ifndef BOOST_FILESYSTEM_NARROW_ONLY |
|
608 |
|
609 // "do-the-right-thing" overloads ---------------------------------------// |
|
610 |
|
611 inline file_status status( const path & ph ) |
|
612 { return status<path>( ph ); } |
|
613 inline file_status status( const wpath & ph ) |
|
614 { return status<wpath>( ph ); } |
|
615 |
|
616 inline file_status status( const path & ph, system::error_code & ec ) |
|
617 { return status<path>( ph, ec ); } |
|
618 inline file_status status( const wpath & ph, system::error_code & ec ) |
|
619 { return status<wpath>( ph, ec ); } |
|
620 |
|
621 inline file_status symlink_status( const path & ph ) |
|
622 { return symlink_status<path>( ph ); } |
|
623 inline file_status symlink_status( const wpath & ph ) |
|
624 { return symlink_status<wpath>( ph ); } |
|
625 |
|
626 inline file_status symlink_status( const path & ph, system::error_code & ec ) |
|
627 { return symlink_status<path>( ph, ec ); } |
|
628 inline file_status symlink_status( const wpath & ph, system::error_code & ec ) |
|
629 { return symlink_status<wpath>( ph, ec ); } |
|
630 |
|
631 inline bool exists( const path & ph ) { return exists<path>( ph ); } |
|
632 inline bool exists( const wpath & ph ) { return exists<wpath>( ph ); } |
|
633 |
|
634 inline bool is_directory( const path & ph ) |
|
635 { return is_directory<path>( ph ); } |
|
636 inline bool is_directory( const wpath & ph ) |
|
637 { return is_directory<wpath>( ph ); } |
|
638 |
|
639 inline bool is_regular_file( const path & ph ) |
|
640 { return is_regular_file<path>( ph ); } |
|
641 inline bool is_regular_file( const wpath & ph ) |
|
642 { return is_regular_file<wpath>( ph ); } |
|
643 |
|
644 # ifndef BOOST_FILESYSTEM_NO_DEPRECATED |
|
645 inline bool is_regular( const path & ph ) |
|
646 { return is_regular<path>( ph ); } |
|
647 inline bool is_regular( const wpath & ph ) |
|
648 { return is_regular<wpath>( ph ); } |
|
649 # endif |
|
650 |
|
651 inline bool is_other( const path & ph ) |
|
652 { return is_other<path>( ph ); } |
|
653 inline bool is_other( const wpath & ph ) |
|
654 { return is_other<wpath>( ph ); } |
|
655 |
|
656 inline bool is_symlink( const path & ph ) |
|
657 { return is_symlink<path>( ph ); } |
|
658 inline bool is_symlink( const wpath & ph ) |
|
659 { return is_symlink<wpath>( ph ); } |
|
660 |
|
661 inline bool is_empty( const path & ph ) |
|
662 { return is_empty<path>( ph ); } |
|
663 inline bool is_empty( const wpath & ph ) |
|
664 { return is_empty<wpath>( ph ); } |
|
665 |
|
666 inline bool equivalent( const path & ph1, const path & ph2 ) |
|
667 { return equivalent<path>( ph1, ph2 ); } |
|
668 inline bool equivalent( const wpath & ph1, const wpath & ph2 ) |
|
669 { return equivalent<wpath>( ph1, ph2 ); } |
|
670 |
|
671 inline boost::uintmax_t file_size( const path & ph ) |
|
672 { return file_size<path>( ph ); } |
|
673 inline boost::uintmax_t file_size( const wpath & ph ) |
|
674 { return file_size<wpath>( ph ); } |
|
675 |
|
676 inline space_info space( const path & ph ) |
|
677 { return space<path>( ph ); } |
|
678 inline space_info space( const wpath & ph ) |
|
679 { return space<wpath>( ph ); } |
|
680 |
|
681 inline std::time_t last_write_time( const path & ph ) |
|
682 { return last_write_time<path>( ph ); } |
|
683 inline std::time_t last_write_time( const wpath & ph ) |
|
684 { return last_write_time<wpath>( ph ); } |
|
685 |
|
686 inline bool create_directory( const path & dir_ph ) |
|
687 { return create_directory<path>( dir_ph ); } |
|
688 inline bool create_directory( const wpath & dir_ph ) |
|
689 { return create_directory<wpath>( dir_ph ); } |
|
690 |
|
691 #if !defined(BOOST_WINDOWS_API) || defined(BOOST_FS_HARD_LINK) |
|
692 inline void create_hard_link( const path & to_ph, |
|
693 const path & from_ph ) |
|
694 { return create_hard_link<path>( to_ph, from_ph ); } |
|
695 inline void create_hard_link( const wpath & to_ph, |
|
696 const wpath & from_ph ) |
|
697 { return create_hard_link<wpath>( to_ph, from_ph ); } |
|
698 |
|
699 inline system::error_code create_hard_link( const path & to_ph, |
|
700 const path & from_ph, system::error_code & ec ) |
|
701 { return create_hard_link<path>( to_ph, from_ph, ec ); } |
|
702 inline system::error_code create_hard_link( const wpath & to_ph, |
|
703 const wpath & from_ph, system::error_code & ec ) |
|
704 { return create_hard_link<wpath>( to_ph, from_ph, ec ); } |
|
705 #endif |
|
706 |
|
707 inline void create_symlink( const path & to_ph, |
|
708 const path & from_ph ) |
|
709 { return create_symlink<path>( to_ph, from_ph ); } |
|
710 inline void create_symlink( const wpath & to_ph, |
|
711 const wpath & from_ph ) |
|
712 { return create_symlink<wpath>( to_ph, from_ph ); } |
|
713 |
|
714 inline system::error_code create_symlink( const path & to_ph, |
|
715 const path & from_ph, system::error_code & ec ) |
|
716 { return create_symlink<path>( to_ph, from_ph, ec ); } |
|
717 inline system::error_code create_symlink( const wpath & to_ph, |
|
718 const wpath & from_ph, system::error_code & ec ) |
|
719 { return create_symlink<wpath>( to_ph, from_ph, ec ); } |
|
720 |
|
721 inline bool remove( const path & ph ) |
|
722 { return remove<path>( ph ); } |
|
723 inline bool remove( const wpath & ph ) |
|
724 { return remove<wpath>( ph ); } |
|
725 |
|
726 inline unsigned long remove_all( const path & ph ) |
|
727 { return remove_all<path>( ph ); } |
|
728 inline unsigned long remove_all( const wpath & ph ) |
|
729 { return remove_all<wpath>( ph ); } |
|
730 |
|
731 inline void rename( const path & from_path, const path & to_path ) |
|
732 { return rename<path>( from_path, to_path ); } |
|
733 inline void rename( const wpath & from_path, const wpath & to_path ) |
|
734 { return rename<wpath>( from_path, to_path ); } |
|
735 |
|
736 inline void copy_file( const path & from_path, const path & to_path ) |
|
737 { return copy_file<path>( from_path, to_path ); } |
|
738 inline void copy_file( const wpath & from_path, const wpath & to_path ) |
|
739 { return copy_file<wpath>( from_path, to_path ); } |
|
740 |
|
741 inline path system_complete( const path & ph ) |
|
742 { return system_complete<path>( ph ); } |
|
743 inline wpath system_complete( const wpath & ph ) |
|
744 { return system_complete<wpath>( ph ); } |
|
745 |
|
746 inline path complete( const path & ph, |
|
747 const path & base/* = initial_path<path>()*/ ) |
|
748 { return complete<path>( ph, base ); } |
|
749 inline wpath complete( const wpath & ph, |
|
750 const wpath & base/* = initial_path<wpath>()*/ ) |
|
751 { return complete<wpath>( ph, base ); } |
|
752 |
|
753 inline path complete( const path & ph ) |
|
754 { return complete<path>( ph, initial_path<path>() ); } |
|
755 inline wpath complete( const wpath & ph ) |
|
756 { return complete<wpath>( ph, initial_path<wpath>() ); } |
|
757 |
|
758 inline void last_write_time( const path & ph, const std::time_t new_time ) |
|
759 { last_write_time<path>( ph, new_time ); } |
|
760 inline void last_write_time( const wpath & ph, const std::time_t new_time ) |
|
761 { last_write_time<wpath>( ph, new_time ); } |
|
762 |
|
763 inline void current_path( const path & ph ) |
|
764 { current_path<path>( ph ); } |
|
765 inline void current_path( const wpath & ph ) |
|
766 { current_path<wpath>( ph ); } |
|
767 |
|
768 # endif // ifndef BOOST_FILESYSTEM_NARROW_ONLY |
|
769 |
|
770 namespace detail |
|
771 { |
|
772 template<class Path> |
|
773 bool remove_aux( const Path & ph, file_status f ) |
|
774 { |
|
775 if ( exists( f ) ) |
|
776 { |
|
777 system::error_code ec = remove_api( ph.external_file_string() ); |
|
778 if ( ec ) |
|
779 boost::throw_exception( basic_filesystem_error<Path>( |
|
780 "boost::filesystem::remove", ph, ec ) ); |
|
781 return true; |
|
782 } |
|
783 return false; |
|
784 } |
|
785 |
|
786 template<class Path> |
|
787 unsigned long remove_all_aux( const Path & ph, file_status f ) |
|
788 { |
|
789 static const boost::filesystem::basic_directory_iterator<Path> end_itr; |
|
790 unsigned long count = 1; |
|
791 if ( !boost::filesystem::is_symlink( f ) // don't recurse symbolic links |
|
792 && boost::filesystem::is_directory( f ) ) |
|
793 { |
|
794 for ( boost::filesystem::basic_directory_iterator<Path> itr( ph ); |
|
795 itr != end_itr; ++itr ) |
|
796 { |
|
797 boost::system::error_code ec; |
|
798 boost::filesystem::file_status fn = boost::filesystem::symlink_status( itr->path(), ec ); |
|
799 if ( ec ) |
|
800 boost::throw_exception( basic_filesystem_error<Path>( |
|
801 "boost::filesystem:remove_all", ph, ec ) ); |
|
802 count += remove_all_aux( itr->path(), fn ); |
|
803 } |
|
804 } |
|
805 remove_aux( ph, f ); |
|
806 return count; |
|
807 } |
|
808 |
|
809 // test helper -------------------------------------------------------------// |
|
810 |
|
811 // not part of the documented interface because false positives are possible; |
|
812 // there is no law that says that an OS that has large stat.st_size |
|
813 // actually supports large file sizes. |
|
814 BOOST_FILESYSTEM_DECL bool possible_large_file_size_support(); |
|
815 |
|
816 // directory_iterator helpers ----------------------------------------------// |
|
817 |
|
818 // forwarding functions avoid need for BOOST_FILESYSTEM_DECL for class |
|
819 // basic_directory_iterator, and so avoid iterator_facade DLL template |
|
820 // problems. They also overload to the proper external path character type. |
|
821 |
|
822 BOOST_FILESYSTEM_DECL system::error_code |
|
823 dir_itr_first( void *& handle, |
|
824 #if defined(BOOST_POSIX_API) |
|
825 void *& buffer, |
|
826 #endif |
|
827 const std::string & dir_path, |
|
828 std::string & target, file_status & fs, file_status & symlink_fs ); |
|
829 // eof: return==0 && handle==0 |
|
830 |
|
831 BOOST_FILESYSTEM_DECL system::error_code |
|
832 dir_itr_increment( void *& handle, |
|
833 #if defined(BOOST_POSIX_API) |
|
834 void *& buffer, |
|
835 #endif |
|
836 std::string & target, file_status & fs, file_status & symlink_fs ); |
|
837 // eof: return==0 && handle==0 |
|
838 |
|
839 BOOST_FILESYSTEM_DECL system::error_code |
|
840 dir_itr_close( void *& handle |
|
841 #if defined(BOOST_POSIX_API) |
|
842 , void *& buffer |
|
843 #endif |
|
844 ); |
|
845 // Effects: none if handle==0, otherwise close handle, set handle=0 |
|
846 |
|
847 # if defined(BOOST_WINDOWS_API) && !defined(BOOST_FILESYSTEM_NARROW_ONLY) |
|
848 BOOST_FILESYSTEM_DECL system::error_code |
|
849 dir_itr_first( void *& handle, const std::wstring & ph, |
|
850 std::wstring & target, file_status & fs, file_status & symlink_fs ); |
|
851 BOOST_FILESYSTEM_DECL system::error_code |
|
852 dir_itr_increment( void *& handle, std::wstring & target, |
|
853 file_status & fs, file_status & symlink_fs ); |
|
854 # endif |
|
855 |
|
856 template< class Path > |
|
857 class dir_itr_imp |
|
858 { |
|
859 public: |
|
860 basic_directory_entry<Path> m_directory_entry; |
|
861 void * m_handle; |
|
862 # ifdef BOOST_POSIX_API |
|
863 void * m_buffer; // see dir_itr_increment implementation |
|
864 # endif |
|
865 dir_itr_imp() : m_handle(0) |
|
866 # ifdef BOOST_POSIX_API |
|
867 , m_buffer(0) |
|
868 # endif |
|
869 {} |
|
870 |
|
871 ~dir_itr_imp() { dir_itr_close( m_handle |
|
872 #if defined(BOOST_POSIX_API) |
|
873 , m_buffer |
|
874 #endif |
|
875 ); } |
|
876 }; |
|
877 |
|
878 BOOST_FILESYSTEM_DECL system::error_code not_found_error(); |
|
879 |
|
880 } // namespace detail |
|
881 |
|
882 // basic_directory_iterator ------------------------------------------------// |
|
883 |
|
884 template< class Path > |
|
885 class basic_directory_iterator |
|
886 : public boost::iterator_facade< |
|
887 basic_directory_iterator<Path>, |
|
888 basic_directory_entry<Path>, |
|
889 boost::single_pass_traversal_tag > |
|
890 { |
|
891 public: |
|
892 typedef Path path_type; |
|
893 |
|
894 basic_directory_iterator(){} // creates the "end" iterator |
|
895 |
|
896 explicit basic_directory_iterator( const Path & dir_path ); |
|
897 basic_directory_iterator( const Path & dir_path, system::error_code & ec ); |
|
898 |
|
899 private: |
|
900 |
|
901 // shared_ptr provides shallow-copy semantics required for InputIterators. |
|
902 // m_imp.get()==0 indicates the end iterator. |
|
903 boost::shared_ptr< detail::dir_itr_imp< Path > > m_imp; |
|
904 |
|
905 friend class boost::iterator_core_access; |
|
906 |
|
907 typename boost::iterator_facade< |
|
908 basic_directory_iterator<Path>, |
|
909 basic_directory_entry<Path>, |
|
910 boost::single_pass_traversal_tag >::reference dereference() const |
|
911 { |
|
912 BOOST_ASSERT( m_imp.get() && "attempt to dereference end iterator" ); |
|
913 return m_imp->m_directory_entry; |
|
914 } |
|
915 |
|
916 void increment(); |
|
917 |
|
918 bool equal( const basic_directory_iterator & rhs ) const |
|
919 { return m_imp == rhs.m_imp; } |
|
920 |
|
921 system::error_code m_init( const Path & dir_path ); |
|
922 }; |
|
923 |
|
924 typedef basic_directory_iterator< path > directory_iterator; |
|
925 # ifndef BOOST_FILESYSTEM_NARROW_ONLY |
|
926 typedef basic_directory_iterator< wpath > wdirectory_iterator; |
|
927 # endif |
|
928 |
|
929 // basic_directory_iterator implementation ---------------------------// |
|
930 |
|
931 template<class Path> |
|
932 system::error_code basic_directory_iterator<Path>::m_init( |
|
933 const Path & dir_path ) |
|
934 { |
|
935 if ( dir_path.empty() ) |
|
936 { |
|
937 m_imp.reset(); |
|
938 return detail::not_found_error(); |
|
939 } |
|
940 typename Path::external_string_type name; |
|
941 file_status fs, symlink_fs; |
|
942 system::error_code ec( detail::dir_itr_first( m_imp->m_handle, |
|
943 #if defined(BOOST_POSIX_API) |
|
944 m_imp->m_buffer, |
|
945 #endif |
|
946 dir_path.external_directory_string(), |
|
947 name, fs, symlink_fs ) ); |
|
948 |
|
949 if ( ec ) |
|
950 { |
|
951 m_imp.reset(); |
|
952 return ec; |
|
953 } |
|
954 |
|
955 if ( m_imp->m_handle == 0 ) m_imp.reset(); // eof, so make end iterator |
|
956 else // not eof |
|
957 { |
|
958 m_imp->m_directory_entry.assign( dir_path |
|
959 / Path::traits_type::to_internal( name ), fs, symlink_fs ); |
|
960 if ( name[0] == dot<Path>::value // dot or dot-dot |
|
961 && (name.size() == 1 |
|
962 || (name[1] == dot<Path>::value |
|
963 && name.size() == 2)) ) |
|
964 { increment(); } |
|
965 } |
|
966 return boost::system::error_code(); |
|
967 } |
|
968 |
|
969 template<class Path> |
|
970 basic_directory_iterator<Path>::basic_directory_iterator( |
|
971 const Path & dir_path ) |
|
972 : m_imp( new detail::dir_itr_imp<Path> ) |
|
973 { |
|
974 system::error_code ec( m_init(dir_path) ); |
|
975 if ( ec ) |
|
976 { |
|
977 boost::throw_exception( basic_filesystem_error<Path>( |
|
978 "boost::filesystem::basic_directory_iterator constructor", |
|
979 dir_path, ec ) ); |
|
980 } |
|
981 } |
|
982 |
|
983 template<class Path> |
|
984 basic_directory_iterator<Path>::basic_directory_iterator( |
|
985 const Path & dir_path, system::error_code & ec ) |
|
986 : m_imp( new detail::dir_itr_imp<Path> ) |
|
987 { |
|
988 ec = m_init(dir_path); |
|
989 } |
|
990 |
|
991 template<class Path> |
|
992 void basic_directory_iterator<Path>::increment() |
|
993 { |
|
994 BOOST_ASSERT( m_imp.get() && "attempt to increment end iterator" ); |
|
995 BOOST_ASSERT( m_imp->m_handle != 0 && "internal program error" ); |
|
996 |
|
997 typename Path::external_string_type name; |
|
998 file_status fs, symlink_fs; |
|
999 system::error_code ec; |
|
1000 |
|
1001 for (;;) |
|
1002 { |
|
1003 ec = detail::dir_itr_increment( m_imp->m_handle, |
|
1004 #if defined(BOOST_POSIX_API) |
|
1005 m_imp->m_buffer, |
|
1006 #endif |
|
1007 name, fs, symlink_fs ); |
|
1008 if ( ec ) |
|
1009 { |
|
1010 boost::throw_exception( basic_filesystem_error<Path>( |
|
1011 "boost::filesystem::basic_directory_iterator increment", |
|
1012 m_imp->m_directory_entry.path().parent_path(), ec ) ); |
|
1013 } |
|
1014 if ( m_imp->m_handle == 0 ) { m_imp.reset(); return; } // eof, make end |
|
1015 if ( !(name[0] == dot<Path>::value // !(dot or dot-dot) |
|
1016 && (name.size() == 1 |
|
1017 || (name[1] == dot<Path>::value |
|
1018 && name.size() == 2))) ) |
|
1019 { |
|
1020 m_imp->m_directory_entry.replace_filename( |
|
1021 Path::traits_type::to_internal( name ), fs, symlink_fs ); |
|
1022 return; |
|
1023 } |
|
1024 } |
|
1025 } |
|
1026 |
|
1027 // basic_directory_entry -----------------------------------------------// |
|
1028 |
|
1029 template<class Path> |
|
1030 class basic_directory_entry |
|
1031 { |
|
1032 public: |
|
1033 typedef Path path_type; |
|
1034 typedef typename Path::string_type string_type; |
|
1035 |
|
1036 // compiler generated copy-ctor, copy assignment, and destructor apply |
|
1037 |
|
1038 basic_directory_entry() {} |
|
1039 explicit basic_directory_entry( const path_type & p, |
|
1040 file_status st = file_status(), file_status symlink_st=file_status() ) |
|
1041 : m_path(p), m_status(st), m_symlink_status(symlink_st) |
|
1042 {} |
|
1043 |
|
1044 void assign( const path_type & p, |
|
1045 file_status st, file_status symlink_st ) |
|
1046 { m_path = p; m_status = st; m_symlink_status = symlink_st; } |
|
1047 |
|
1048 void replace_filename( const string_type & s, |
|
1049 file_status st, file_status symlink_st ) |
|
1050 { |
|
1051 m_path.remove_filename(); |
|
1052 m_path /= s; |
|
1053 m_status = st; |
|
1054 m_symlink_status = symlink_st; |
|
1055 } |
|
1056 |
|
1057 # ifndef BOOST_FILESYSTEM_NO_DEPRECATED |
|
1058 void replace_leaf( const string_type & s, |
|
1059 file_status st, file_status symlink_st ) |
|
1060 { replace_filename( s, st, symlink_st ); } |
|
1061 # endif |
|
1062 |
|
1063 const Path & path() const { return m_path; } |
|
1064 file_status status() const; |
|
1065 file_status status( system::error_code & ec ) const; |
|
1066 file_status symlink_status() const; |
|
1067 file_status symlink_status( system::error_code & ec ) const; |
|
1068 |
|
1069 // conversion simplifies the most common use of basic_directory_entry |
|
1070 operator const path_type &() const { return m_path; } |
|
1071 |
|
1072 # ifndef BOOST_FILESYSTEM_NO_DEPRECATED |
|
1073 // deprecated functions preserve common use cases in legacy code |
|
1074 typename Path::string_type filename() const |
|
1075 { |
|
1076 return path().filename(); |
|
1077 } |
|
1078 typename Path::string_type leaf() const |
|
1079 { |
|
1080 return path().filename(); |
|
1081 } |
|
1082 typename Path::string_type string() const |
|
1083 { |
|
1084 return path().string(); |
|
1085 } |
|
1086 # endif |
|
1087 |
|
1088 private: |
|
1089 path_type m_path; |
|
1090 mutable file_status m_status; // stat()-like |
|
1091 mutable file_status m_symlink_status; // lstat()-like |
|
1092 // note: m_symlink_status is not used by Windows implementation |
|
1093 |
|
1094 }; // basic_directory_status |
|
1095 |
|
1096 typedef basic_directory_entry<path> directory_entry; |
|
1097 # ifndef BOOST_FILESYSTEM_NARROW_ONLY |
|
1098 typedef basic_directory_entry<wpath> wdirectory_entry; |
|
1099 # endif |
|
1100 |
|
1101 // basic_directory_entry implementation --------------------------------// |
|
1102 |
|
1103 template<class Path> |
|
1104 file_status |
|
1105 basic_directory_entry<Path>::status() const |
|
1106 { |
|
1107 if ( !status_known( m_status ) ) |
|
1108 { |
|
1109 # ifndef BOOST_WINDOWS_API |
|
1110 if ( status_known( m_symlink_status ) |
|
1111 && !is_symlink( m_symlink_status ) ) |
|
1112 { m_status = m_symlink_status; } |
|
1113 else { m_status = boost::filesystem::status( m_path ); } |
|
1114 # else |
|
1115 m_status = boost::filesystem::status( m_path ); |
|
1116 # endif |
|
1117 } |
|
1118 return m_status; |
|
1119 } |
|
1120 |
|
1121 template<class Path> |
|
1122 file_status |
|
1123 basic_directory_entry<Path>::status( system::error_code & ec ) const |
|
1124 { |
|
1125 if ( !status_known( m_status ) ) |
|
1126 { |
|
1127 # ifndef BOOST_WINDOWS_API |
|
1128 if ( status_known( m_symlink_status ) |
|
1129 && !is_symlink( m_symlink_status ) ) |
|
1130 { ec = boost::system::error_code();; m_status = m_symlink_status; } |
|
1131 else { m_status = boost::filesystem::status( m_path, ec ); } |
|
1132 # else |
|
1133 m_status = boost::filesystem::status( m_path, ec ); |
|
1134 # endif |
|
1135 } |
|
1136 else ec = boost::system::error_code();; |
|
1137 return m_status; |
|
1138 } |
|
1139 |
|
1140 template<class Path> |
|
1141 file_status |
|
1142 basic_directory_entry<Path>::symlink_status() const |
|
1143 { |
|
1144 # ifndef BOOST_WINDOWS_API |
|
1145 if ( !status_known( m_symlink_status ) ) |
|
1146 { m_symlink_status = boost::filesystem::symlink_status( m_path ); } |
|
1147 return m_symlink_status; |
|
1148 # else |
|
1149 return status(); |
|
1150 # endif |
|
1151 } |
|
1152 |
|
1153 template<class Path> |
|
1154 file_status |
|
1155 basic_directory_entry<Path>::symlink_status( system::error_code & ec ) const |
|
1156 { |
|
1157 # ifndef BOOST_WINDOWS_API |
|
1158 if ( !status_known( m_symlink_status ) ) |
|
1159 { m_symlink_status = boost::filesystem::symlink_status( m_path, ec ); } |
|
1160 else ec = boost::system::error_code();; |
|
1161 return m_symlink_status; |
|
1162 # else |
|
1163 return status( ec ); |
|
1164 # endif |
|
1165 } |
|
1166 } // namespace filesystem |
|
1167 } // namespace boost |
|
1168 |
|
1169 #undef BOOST_FS_FUNC |
|
1170 |
|
1171 |
|
1172 #include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas |
|
1173 #endif // BOOST_FILESYSTEM_OPERATIONS_HPP |