/usr/include/boost/test/utils/basic_cstring
Edit: /usr/include/boost/test/utils/basic_cstring/bcs_char_traits.hpp (4318B)
// (C) Copyright Gennadiy Rozental 2001.
// Distributed under 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 http://www.boost.org/libs/test for the library home page.
//
// File : $RCSfile$
//
// Version : $Revision$
//
// Description : generic char traits class; wraps std::char_traits
// ***************************************************************************
#ifndef BOOST_TEST_UTILS_BCS_CHAR_TRAITS_HPP
#define BOOST_TEST_UTILS_BCS_CHAR_TRAITS_HPP
// Boost
#include
#include
#include
#include
// STL
#include // std::char_traits
#include // std::size_t
#include
//____________________________________________________________________________//
namespace boost {
namespace unit_test {
namespace ut_detail {
template struct bcs_base_char { typedef CharT type; };
template<> struct bcs_base_char { typedef char type; };
template<> struct bcs_base_char { typedef char type; };
#if !BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x551))
template<> struct bcs_base_char { typedef char type; };
#endif
template<> struct bcs_base_char { typedef wchar_t type; };
// ************************************************************************** //
// ************** bcs_char_traits ************** //
// ************************************************************************** //
template
struct bcs_char_traits_impl
{
#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
typedef CharT const const_char;
#else
typedef typename boost::add_const::type const_char;
#endif
static bool eq( CharT c1, CharT c2 )
{
return c1 == c2;
}
static bool lt( CharT c1, CharT c2 )
{
return c1 < c2;
}
static int compare( const_char* cstr1, const_char* cstr2, std::size_t n )
{
while( n > 0 ) {
if( !eq( *cstr1, *cstr2 ) )
return lt( *cstr1, *cstr2 ) ? -1 : 1;
++cstr1;
++cstr2;
--n;
}
return 0;
}
static std::size_t length( const_char* cstr )
{
const_char null_char = CharT();
const_char* ptr = cstr;
while( !eq( *ptr, null_char ) )
++ptr;
return ptr - cstr;
}
static const_char* find( const_char* s, std::size_t n, CharT c )
{
while( n > 0 ) {
if( eq( *s, c ) )
return s;
++s;
--n;
}
return 0;
}
};
#ifdef BOOST_CLASSIC_IOSTREAMS
template
struct char_traits_with_find : std::string_char_traits {
static CharT const* find( CharT const* s, std::size_t n, CharT c )
{
while( n > 0 ) {
if( eq( *s, c ) )
return s;
++s;
--n;
}
return 0;
}
};
template<> struct bcs_char_traits_impl : public char_traits_with_find {};
template<> struct bcs_char_traits_impl : public char_traits_with_find {};
#else
template<> struct bcs_char_traits_impl : public std::char_traits {};
template<> struct bcs_char_traits_impl : public std::char_traits {};
#endif
template
class bcs_char_traits : public bcs_char_traits_impl {
typedef typename ut_detail::bcs_base_char::type the_base_char;
public:
#ifdef BOOST_CLASSIC_IOSTREAMS
typedef std::basic_string > std_string;
#else
typedef std::basic_string > std_string;
#endif
};
} // namespace ut_detail
} // namespace unit_test
} // namespace boost
//____________________________________________________________________________//
#include
#endif // BOOST_TEST_UTILS_BCS_CHAR_TRAITS_HPP