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101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
// Boost lpath.hpp ---------------------------------------------------------//
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// Copyright Beman Dawes 2005
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// Use, modification, and distribution is subject to the Boost Software
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// License, Version 1.0. (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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// See library home page at http://www.boost.org/libs/filesystem
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#include <boost/filesystem/path.hpp>
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#include <string>
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#include <ios> // for std::streamoff
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namespace std
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{
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// Note well: this specialization is meant only to support wide_test.cpp.
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// It is not fully functional, fully correct, or efficient.
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template<> struct char_traits<long>
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{
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typedef long char_type;
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typedef long int_type;
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typedef streamoff off_type;
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typedef streampos pos_type;
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typedef mbstate_t state_type;
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static void assign(char_type& c1, const char_type& c2){c1=c2;}
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static bool eq(const char_type& c1, const char_type& c2){return c1==c2;}
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static bool lt(const char_type& c1, const char_type& c2){return c1<c2;}
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static int compare(const char_type* s1, const char_type* s2, size_t n)
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{
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const char_type* e = s1 + n;
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for ( ;s1 != e && *s1 == *s2; ++s1, ++s2 ) {}
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return s1 == e ? 0 : (*s1<*s2 ? -1 : 1);
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}
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static size_t length(const char_type* s)
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{ const char_type* b=s; for(;*s!=0L;++s){} return s-b; }
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static const char_type* find(const char_type* /*s*/, size_t /*n*/, const char_type& /*a*/)
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{ return 0; }
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// copy semantics will do for wide_test
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static char_type* move(char_type* s1, const char_type* s2, size_t n)
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{ char_type* b=s1; for(const char_type* e=s1+n;s1!=e;++s1,++s2) *s1=*s2; return b; }
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static char_type* copy(char_type* s1, const char_type* s2, size_t n)
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{ char_type* b=s1; for(const char_type* e=s1+n;s1!=e;++s1,++s2) *s1=*s2; return b; }
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static char_type* assign(char_type* s, size_t n, char_type a)
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{ char_type* b=s; for(char_type* e=s+n;s!=e;++s) *s=a; return b; }
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static int_type not_eof(const int_type& c);
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static char_type to_char_type(const int_type& c);
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static int_type to_int_type(const char_type& c);
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static bool eq_int_type(const int_type& c1, const int_type& c2);
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static int_type eof();
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};
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}
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namespace user
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{
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typedef std::basic_string<long> lstring;
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struct lpath_traits;
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typedef boost::filesystem::basic_path<lstring, lpath_traits> lpath;
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struct lpath_traits
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{
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typedef lstring internal_string_type;
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typedef std::string external_string_type;
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static external_string_type to_external( const lpath &,
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const internal_string_type & src )
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{
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external_string_type tmp;
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for ( internal_string_type::const_iterator it( src.begin() );
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it != src.end(); ++it )
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{
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tmp += static_cast<external_string_type::value_type>(*it);
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}
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return tmp;
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}
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static internal_string_type to_internal( const external_string_type & src )
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{
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internal_string_type tmp;
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for ( external_string_type::const_iterator it( src.begin() );
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it != src.end(); ++it ) tmp += *it;
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return tmp;
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}
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};
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} // namespace user
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namespace boost
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{
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namespace filesystem
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{
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template<> struct is_basic_path<user::lpath>
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{ static const bool value = true; };
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}
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}
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