basic_cstring.hpp

C++的一个好库。。。现在很流行

basic_cstring<CharT>::operator=( std_string const& s )
{
    return *this = self_type( s );
}

//____________________________________________________________________________//

template<typename CharT>
inline basic_cstring<CharT>&
basic_cstring<CharT>::operator=( pointer s )
{
    return *this = self_type( s );
}

//____________________________________________________________________________//

template<typename CharT>
inline basic_cstring<CharT>&
basic_cstring<CharT>::assign( basic_cstring<CharT> const& s, size_type pos, size_type len )
{
    return *this = self_type( s.m_begin + pos, len );
}

//____________________________________________________________________________//

template<typename CharT>
inline basic_cstring<CharT>&
basic_cstring<CharT>::assign( std_string const& s )
{
    return *this = self_type( s );
}

//____________________________________________________________________________//

template<typename CharT>
inline basic_cstring<CharT>&
basic_cstring<CharT>::assign( std_string const& s, size_type pos, size_type len )
{
    return *this = self_type( s.c_str() + pos, len );
}

//____________________________________________________________________________//

template<typename CharT>
inline basic_cstring<CharT>&
basic_cstring<CharT>::assign( pointer s )
{
    return *this = self_type( s );
}

//____________________________________________________________________________//

template<typename CharT>
inline basic_cstring<CharT>&
basic_cstring<CharT>::assign( pointer s, size_type len )
{
    return *this = self_type( s, len );
}

//____________________________________________________________________________//

template<typename CharT>
inline basic_cstring<CharT>&
basic_cstring<CharT>::assign( pointer f, pointer l )
{
    return *this = self_type( f, l );
}

//____________________________________________________________________________//

template<typename CharT>
inline void
basic_cstring<CharT>::swap( basic_cstring<CharT>& s )
{
    // do not want to include alogrithm
    pointer tmp1    = m_begin;
    pointer tmp2    = m_end;

    m_begin         = s.m_begin;
    m_end           = s.m_end;

    s.m_begin       = tmp1;
    s.m_end         = tmp2;
}

//____________________________________________________________________________//

template<typename CharT>
inline typename basic_cstring<CharT>::iterator
basic_cstring<CharT>::begin()
{
    return m_begin;
}

//____________________________________________________________________________//

template<typename CharT>
inline typename basic_cstring<CharT>::const_iterator
basic_cstring<CharT>::begin() const
{
    return m_begin;
}

//____________________________________________________________________________//

template<typename CharT>
inline typename basic_cstring<CharT>::iterator
basic_cstring<CharT>::end()
{
    return m_end;
}

//____________________________________________________________________________//

template<typename CharT>
inline typename basic_cstring<CharT>::const_iterator
basic_cstring<CharT>::end() const
{
    return m_end;
}

//____________________________________________________________________________//

template<typename CharT>
inline typename basic_cstring<CharT>::size_type
basic_cstring<CharT>::find( basic_cstring<CharT> substr ) const
{
    if( substr.is_empty() || substr.size() > size() )
        return (size_type)npos;

    const_iterator it   = begin();
    const_iterator last = end() - substr.size() + 1;

    while( it != last ) {
        if( traits_type::compare( it, substr.begin(), substr.size() ) == 0 )
            break;

        ++it;
    }

    return it == last ? (size_type)npos : it - begin();
}

//____________________________________________________________________________//

template<typename CharT>
inline typename basic_cstring<CharT>::size_type
basic_cstring<CharT>::rfind( basic_cstring<CharT> substr ) const
{
    if( substr.is_empty() || substr.size() > size() )
        return (size_type)npos;

    const_iterator it   = end() - substr.size();
    const_iterator last = begin()-1;

    while( it != last ) {
        if( traits_type::compare( it, substr.begin(), substr.size() ) == 0 )
            break;

        --it;
    }

    return it == last ? npos : it - begin();
}

//____________________________________________________________________________//

template<typename CharT>
inline basic_cstring<CharT>
basic_cstring<CharT>::substr( size_type beg_index, size_type end_index ) const
{
    return beg_index > size()
            ?       self_type()
            : end_index > size()
                ?   self_type( m_begin + beg_index, m_end )
                :   self_type( m_begin + beg_index, m_begin + end_index );
}

//____________________________________________________________________________//

template<typename CharT>
inline basic_cstring<CharT>
basic_cstring<CharT>::default_trim_ex()
{
    static CharT ws[3] = { CharT(' '), CharT('\t'), CharT('\n') }; //!! wide case

    return self_type( ws, 3 );
}

//____________________________________________________________________________//

// ************************************************************************** //
// **************             comparison operators             ************** //
// ************************************************************************** //

template<typename CharT1,typename CharT2>
inline bool
operator==( basic_cstring<CharT1> const& s1, basic_cstring<CharT2> const& s2 )
{
    typedef typename basic_cstring<CharT1>::traits_type traits_type;
    return s1.size() == s2.size() && 
               traits_type::compare( s1.begin(), s2.begin(), s1.size() ) == 0;
}

//____________________________________________________________________________//

template<typename CharT1,typename CharT2>
inline bool
operator==( basic_cstring<CharT1> const& s1, CharT2* s2 )
{
#if !defined(__DMC__)
    return s1 == basic_cstring<CharT2>( s2 );
#else
    return s1 == basic_cstring<CharT2 const>( s2 );
#endif
}

//____________________________________________________________________________//

template<typename CharT>
inline bool
operator==( basic_cstring<CharT> const& s1, typename basic_cstring<CharT>::std_string const& s2 )
{
    return s1 == basic_cstring<CharT>( s2 );
}

//____________________________________________________________________________//

template<typename CharT1,typename CharT2>
inline bool
operator==( CharT1* s2, basic_cstring<CharT2> const& s1 )
{
    return s1 == s2;
}

//____________________________________________________________________________//

template<typename CharT>
inline bool
operator==( typename basic_cstring<CharT>::std_string const& s2, basic_cstring<CharT> const& s1 )
{
    return s1 == s2;
}

//____________________________________________________________________________//

template<typename CharT>
inline bool
operator!=( basic_cstring<CharT> const& s1, CharT* s2 )
{
    return !(s1 == s2);
}

//____________________________________________________________________________//

template<typename CharT>
inline bool
operator!=( CharT* s2, basic_cstring<CharT> const& s1 )
{
    return !(s1 == s2);
}

//____________________________________________________________________________//

template<typename CharT>
inline bool
operator!=( basic_cstring<CharT> const& s1, basic_cstring<CharT> const& s2 )
{
    return !(s1 == s2);
}

//____________________________________________________________________________//

template<typename CharT>
inline bool
operator!=( basic_cstring<CharT> const& s1, typename basic_cstring<CharT>::std_string const& s2 )
{
    return !(s1 == s2);
}

//____________________________________________________________________________//

template<typename CharT>
inline bool
operator!=( typename basic_cstring<CharT>::std_string const& s2, basic_cstring<CharT> const& s1 )
{
    return !(s1 == s2);
}

//____________________________________________________________________________//

// ************************************************************************** //
// **************                  first_char                  ************** //
// ************************************************************************** //

template<typename CharT>
inline typename basic_cstring<CharT>::value_type
first_char( basic_cstring<CharT> source )
{
    typedef typename basic_cstring<CharT>::value_type string_value_type;

    return source.is_empty() ? (string_value_type)0 : *source.begin();
}

//____________________________________________________________________________//

// ************************************************************************** //
// **************                  last_char                   ************** //
// ************************************************************************** //

template<typename CharT>
inline typename basic_cstring<CharT>::value_type
last_char( basic_cstring<CharT> source )
{
    typedef typename basic_cstring<CharT>::value_type string_value_type;

    return source.is_empty() ? (string_value_type)0 : *(source.end()-1);
}

//____________________________________________________________________________//

// ************************************************************************** //
// **************                  assign_op                   ************** //
// ************************************************************************** //

template<typename CharT1, typename CharT2>
inline void
#if BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x530) )
assign_op( std::basic_string<CharT1>& target, basic_cstring<CharT2> const& src, int )
#else
assign_op( std::basic_string<CharT1>& target, basic_cstring<CharT2> src, int )
#endif
{
    target.assign( src.begin(), src.size() );
}

//____________________________________________________________________________//

} // namespace unit_test

} // namespace boost

//____________________________________________________________________________//

#include <boost/test/detail/enable_warnings.hpp>

// ***************************************************************************
//  Revision History :
//  
//  $Log: basic_cstring.hpp,v $
//  Revision 1.9  2005/07/13 21:49:46  danieljames
//  Boost.Test workarounds for Digital Mars bugs.
//
//  Revision 1.8  2005/04/12 06:49:05  rogeeff
//  assign_to -> assign_op
//
//  Revision 1.7  2005/03/23 21:02:37  rogeeff
//  Sunpro CC 5.3 fixes
//
//  Revision 1.6  2005/03/22 07:02:57  rogeeff
//  assign_to made free function
//
//  Revision 1.5  2005/03/22 07:00:56  rogeeff
//  assign_to made free function
//
//  Revision 1.4  2005/02/20 08:27:08  rogeeff
//  This a major update for Boost.Test framework. See release docs for complete list of fixes/updates
//
//  Revision 1.3  2005/02/01 06:40:08  rogeeff
//  copyright update
//  old log entries removed
//  minor stilistic changes
//  depricated tools removed
//
//  Revision 1.2  2005/01/22 19:22:13  rogeeff
//  implementation moved into headers section to eliminate dependency of included/minimal component on src directory
//
//  Revision 1.1  2005/01/22 18:21:40  rogeeff
//  moved sharable staff into utils
//
//  Revision 1.12  2005/01/21 07:33:51  rogeeff
//  small aCC fix
//
// ***************************************************************************

#endif // BOOST_TEST_BASIC_CSTRING_HPP_071894GER