basic_cstring.hpp

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    trim_left( exclusions );
    trim_right( exclusions );

    return *this;
}

//____________________________________________________________________________//

template<typename CharT>
inline basic_cstring<CharT>&
basic_cstring<CharT>::operator=( basic_cstring<CharT> const& s )
{
    m_begin = s.m_begin;
    m_end   = s.m_end;

    return *this;
}

//____________________________________________________________________________//

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

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

    while( it != last ) {
        if( traits_type::compare( it, str.begin(), str.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> str ) const
{
    if( str.is_empty() || str.size() > size() )
        return (size_type)npos;

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

    while( it != last ) {
        if( traits_type::compare( it, str.begin(), str.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
assign_op( std::basic_string<CharT1>& target, basic_cstring<CharT2> src, int )
{
    target.assign( src.begin(), src.size() );
}

//____________________________________________________________________________//

} // namespace unit_test

} // namespace boost

//____________________________________________________________________________//

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

#endif // BOOST_TEST_BASIC_CSTRING_HPP_071894GER