102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
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//
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// Copyright 2007-2008 Andreas Pokorny, Christian Henning
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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#ifndef BOOST_GIL_IO_PATH_SPEC_HPP
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#define BOOST_GIL_IO_PATH_SPEC_HPP
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#include <boost/gil/io/detail/filesystem.hpp>
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#include <cstdlib>
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#include <string>
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#include <type_traits>
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namespace boost { namespace gil { namespace detail {
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template<typename P> struct is_supported_path_spec : std::false_type {};
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template<> struct is_supported_path_spec< std::string > : std::true_type {};
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template<> struct is_supported_path_spec< const std::string > : std::true_type {};
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template<> struct is_supported_path_spec< std::wstring > : std::true_type {};
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template<> struct is_supported_path_spec< const std::wstring > : std::true_type {};
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template<> struct is_supported_path_spec< char const* > : std::true_type {};
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template<> struct is_supported_path_spec< char* > : std::true_type {};
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template<> struct is_supported_path_spec< const wchar_t* > : std::true_type {};
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template<> struct is_supported_path_spec< wchar_t* > : std::true_type {};
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template<int i> struct is_supported_path_spec<const char [i]> : std::true_type {};
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template<int i> struct is_supported_path_spec<char [i]> : std::true_type {};
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template<int i> struct is_supported_path_spec<const wchar_t [i]> : std::true_type {};
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template<int i> struct is_supported_path_spec<wchar_t [i]> : std::true_type {};
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template<> struct is_supported_path_spec<filesystem::path> : std::true_type {};
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template<> struct is_supported_path_spec<filesystem::path const> : std::true_type {};
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inline std::string convert_to_string( std::string const& obj)
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{
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return obj;
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}
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inline std::string convert_to_string( std::wstring const& s )
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{
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std::size_t len = wcslen( s.c_str() );
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char* c = reinterpret_cast<char*>( alloca( len ));
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wcstombs( c, s.c_str(), len );
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return std::string( c, c + len );
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}
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inline std::string convert_to_string( char const* str )
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{
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return std::string( str );
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}
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inline std::string convert_to_string( char* str )
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{
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return std::string( str );
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}
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inline std::string convert_to_string(filesystem::path const& path)
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{
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return convert_to_string(path.string());
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}
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inline char const* convert_to_native_string( char* str )
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{
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return str;
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}
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inline char const* convert_to_native_string( char const* str )
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{
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return str;
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}
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inline char const* convert_to_native_string( const std::string& str )
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{
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return str.c_str();
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}
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inline char const* convert_to_native_string( const wchar_t* str )
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{
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std::size_t len = wcslen( str ) + 1;
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char* c = new char[len];
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wcstombs( c, str, len );
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return c;
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}
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inline char const* convert_to_native_string( std::wstring const& str )
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{
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std::size_t len = wcslen( str.c_str() ) + 1;
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char* c = new char[len];
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wcstombs( c, str.c_str(), len );
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return c;
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}
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}}} // namespace boost::gil::detail
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#endif
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