diff -r 000000000000 -r e4d67989cc36 ossrv_pub/boost_apis/boost/filesystem/convenience.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ossrv_pub/boost_apis/boost/filesystem/convenience.hpp Tue Feb 02 02:01:42 2010 +0200 @@ -0,0 +1,331 @@ +// boost/filesystem/convenience.hpp ----------------------------------------// + +// Copyright Beman Dawes, 2002-2005 +// Copyright Vladimir Prus, 2002 +// Use, modification, and distribution is subject to the Boost Software +// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +// See library home page at http://www.boost.org/libs/filesystem + +//----------------------------------------------------------------------------// + +#ifndef BOOST_FILESYSTEM_CONVENIENCE_HPP +#define BOOST_FILESYSTEM_CONVENIENCE_HPP + +#include +#include +#include + +#include // must be the last #include + +# ifndef BOOST_FILESYSTEM_NARROW_ONLY +# define BOOST_FS_FUNC(BOOST_FS_TYPE) \ + template typename boost::enable_if, \ + BOOST_FS_TYPE>::type +# define BOOST_FS_FUNC_STRING BOOST_FS_FUNC(typename Path::string_type) +# define BOOST_FS_TYPENAME typename +# else +# define BOOST_FS_FUNC(BOOST_FS_TYPE) inline BOOST_FS_TYPE + typedef boost::filesystem::path Path; +# define BOOST_FS_FUNC_STRING std::string +# define BOOST_FS_TYPENAME +# endif + +namespace boost +{ + namespace filesystem + { + + BOOST_FS_FUNC(bool) create_directories(const Path& ph) + { + if (ph.empty() || exists(ph)) + { + if ( !ph.empty() && !is_directory(ph) ) + boost::throw_exception( basic_filesystem_error( + "boost::filesystem::create_directories", ph, -1 ) ); + return false; + } + + // First create branch, by calling ourself recursively + create_directories(ph.branch_path()); + // Now that parent's path exists, create the directory + create_directory(ph); + return true; + } + + BOOST_FS_FUNC_STRING extension(const Path& ph) + { + typedef BOOST_FS_TYPENAME Path::string_type string_type; + string_type leaf = ph.leaf(); + + BOOST_FS_TYPENAME string_type::size_type n = leaf.rfind('.'); + if (n != string_type::npos) + return leaf.substr(n); + else + return string_type(); + } + + BOOST_FS_FUNC_STRING basename(const Path& ph) + { + typedef BOOST_FS_TYPENAME Path::string_type string_type; + string_type leaf = ph.leaf(); + BOOST_FS_TYPENAME string_type::size_type n = leaf.rfind('.'); + return leaf.substr(0, n); + } + + BOOST_FS_FUNC(Path) change_extension( const Path & ph, + const BOOST_FS_TYPENAME Path::string_type & new_extension ) + { return ph.branch_path() / (basename(ph) + new_extension); } + +# ifndef BOOST_FILESYSTEM_NARROW_ONLY + + // "do-the-right-thing" overloads ---------------------------------------// + + inline bool create_directories(const path& ph) + { return create_directories(ph); } + inline bool create_directories(const wpath& ph) + { return create_directories(ph); } + + inline std::string extension(const path& ph) + { return extension(ph); } + inline std::wstring extension(const wpath& ph) + { return extension(ph); } + + inline std::string basename(const path& ph) + { return basename( ph ); } + inline std::wstring basename(const wpath& ph) + { return basename( ph ); } + + inline path change_extension( const path & ph, const std::string& new_ex ) + { return change_extension( ph, new_ex ); } + inline wpath change_extension( const wpath & ph, const std::wstring& new_ex ) + { return change_extension( ph, new_ex ); } + +# endif + + + // basic_recursive_directory_iterator helpers --------------------------// + + namespace detail + { + template< class Path > + struct recur_dir_itr_imp + { + typedef basic_directory_iterator< Path > element_type; + std::stack< element_type, std::vector< element_type > > m_stack; + int m_level; + bool m_no_push; + bool m_no_throw; + + recur_dir_itr_imp() : m_level(0), m_no_push(false), m_no_throw(false) {} + }; + + } // namespace detail + + // basic_recursive_directory_iterator ----------------------------------// + + template< class Path > + class basic_recursive_directory_iterator + : public boost::iterator_facade< + basic_recursive_directory_iterator, + basic_directory_entry, + boost::single_pass_traversal_tag > + { + public: + typedef Path path_type; + + basic_recursive_directory_iterator(){} // creates the "end" iterator + + explicit basic_recursive_directory_iterator( const Path & dir_path ); + basic_recursive_directory_iterator( const Path & dir_path, system_error_type & ec ); + + int level() const { return m_imp->m_level; } + + void pop(); + void no_push() + { + BOOST_ASSERT( m_imp.get() && "attempt to no_push() on end iterator" ); + m_imp->m_no_push = true; + } + + file_status status() const + { + BOOST_ASSERT( m_imp.get() + && "attempt to call status() on end recursive_iterator" ); + return m_imp->m_stack.top()->status(); + } + + file_status symlink_status() const + { + BOOST_ASSERT( m_imp.get() + && "attempt to call symlink_status() on end recursive_iterator" ); + return m_imp->m_stack.top()->symlink_status(); + } + + private: + + // shared_ptr provides shallow-copy semantics required for InputIterators. + // m_imp.get()==0 indicates the end iterator. + boost::shared_ptr< detail::recur_dir_itr_imp< Path > > m_imp; + + friend class boost::iterator_core_access; + + typename boost::iterator_facade< + basic_recursive_directory_iterator, + basic_directory_entry, + boost::single_pass_traversal_tag >::reference + dereference() const + { + BOOST_ASSERT( m_imp.get() && "attempt to dereference end iterator" ); + return *m_imp->m_stack.top(); + } + + void increment(); + + bool equal( const basic_recursive_directory_iterator & rhs ) const + { return m_imp == rhs.m_imp; } + }; + + typedef basic_recursive_directory_iterator recursive_directory_iterator; +# ifndef BOOST_FILESYSTEM_NARROW_ONLY + typedef basic_recursive_directory_iterator wrecursive_directory_iterator; +# endif + + // basic_recursive_directory_iterator implementation -------------------// + + // constructors + template + basic_recursive_directory_iterator:: + basic_recursive_directory_iterator( const Path & dir_path ) + : m_imp( new detail::recur_dir_itr_imp ) + { + m_imp->m_stack.push( basic_directory_iterator( dir_path ) ); + } + + template + basic_recursive_directory_iterator:: + basic_recursive_directory_iterator( const Path & dir_path, system_error_type & ec ) + : m_imp( new detail::recur_dir_itr_imp ) + { + m_imp->m_stack.push( basic_directory_iterator( dir_path, std::nothrow ) ); + m_imp->m_no_throw = true; + } + + // increment + template + void basic_recursive_directory_iterator::increment() + { + BOOST_ASSERT( m_imp.get() && "increment on end iterator" ); + + static const basic_directory_iterator end_itr; + + if ( m_imp->m_no_push ) m_imp->m_no_push = false; + else if ( is_directory( m_imp->m_stack.top()->status() ) ) + { + system_error_type ec; + m_imp->m_stack.push( + m_imp->m_no_throw + ? basic_directory_iterator( *m_imp->m_stack.top(), ec ) + : basic_directory_iterator( *m_imp->m_stack.top() ) + ); + if ( m_imp->m_stack.top() != end_itr ) + { + ++m_imp->m_level; + return; + } + m_imp->m_stack.pop(); + } + + while ( !m_imp->m_stack.empty() + && ++m_imp->m_stack.top() == end_itr ) + { + m_imp->m_stack.pop(); + --m_imp->m_level; + } + + if ( m_imp->m_stack.empty() ) m_imp.reset(); // done, so make end iterator + } + + // pop + template + void basic_recursive_directory_iterator::pop() + { + BOOST_ASSERT( m_imp.get() && "pop on end iterator" ); + BOOST_ASSERT( m_imp->m_level > 0 && "pop with level < 1" ); + + m_imp->m_stack.pop(); + --m_imp->m_level; + } + + // what() basic_filesystem_error_decoder -------------------------------// + + namespace detail + { + +# if BOOST_WORKAROUND(__BORLANDC__,BOOST_TESTED_AT(0x581)) + using boost::filesystem::system_message; +# endif + + inline void decode_system_message( system_error_type ec, std::string & target ) + { + system_message( ec, target ); + } + +# if defined(BOOST_WINDOWS_API) && !defined(BOOST_FILESYSTEM_NARROW_ONLY) + inline void decode_system_message( system_error_type ec, std::wstring & target ) + { + system_message( ec, target ); + } +# endif + + template + void decode_system_message( system_error_type ec, String & target ) + { + std::string temp; + system_message( ec, temp ); + for ( const char * p = temp.c_str(); *p != 0; ++p ) + { target += static_cast( *p ); } + } + } + + template + typename Path::string_type what( const basic_filesystem_error & ex ) + { + typename Path::string_type s; + for ( const char * p = ex.what(); *p != 0; ++p ) + { s += static_cast( *p ); } + + if ( !ex.path1().empty() ) + { + s += static_cast( ':' ); + s += static_cast( ' ' ); + s += static_cast( '\"' ); + s += ex.path1().file_string(); + s += static_cast( '\"' ); + } + if ( !ex.path2().empty() ) + { + s += static_cast( ',' ); + s += static_cast( ' ' ); + s += static_cast( '\"' ); + s += ex.path2().file_string(); + s += static_cast( '\"' ); + } + if ( ex.system_error() ) + { + s += static_cast( ' ' ); + + detail::decode_system_message( ex.system_error(), s ); + } + return s; + } + + } // namespace filesystem +} // namespace boost + +#undef BOOST_FS_FUNC_STRING +#undef BOOST_FS_FUNC + +#include // pops abi_prefix.hpp pragmas +#endif // BOOST_FILESYSTEM_CONVENIENCE_HPP