Chris@16: //  (C) Copyright Gennadiy Rozental 2004-2008.
Chris@16: //  Distributed under the Boost Software License, Version 1.0.
Chris@16: //  (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: //  http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org/libs/test for the library home page.
Chris@16: //
Chris@16: //  File        : $RCSfile$
Chris@16: //
Chris@101: //  Version     : $Revision$
Chris@16: //
Chris@16: //  Description : class basic_cstring wraps C string and provide std_string like 
Chris@16: //                interface
Chris@16: // ***************************************************************************
Chris@16: 
Chris@16: #ifndef BOOST_TEST_BASIC_CSTRING_HPP_071894GER
Chris@16: #define BOOST_TEST_BASIC_CSTRING_HPP_071894GER
Chris@16: 
Chris@16: // Boost.Test
Chris@16: #include <boost/test/utils/basic_cstring/basic_cstring_fwd.hpp>
Chris@16: #include <boost/test/utils/basic_cstring/bcs_char_traits.hpp>
Chris@16: 
Chris@16: // STL
Chris@16: #include <string>
Chris@16: 
Chris@16: #include <boost/test/detail/suppress_warnings.hpp>
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: namespace unit_test {
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                basic_cstring                 ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: class basic_cstring {
Chris@16:     typedef basic_cstring<CharT>                        self_type;
Chris@16: public:
Chris@16:     // Subtypes
Chris@16:     typedef ut_detail::bcs_char_traits<CharT>           traits_type;
Chris@16:     typedef typename ut_detail::bcs_char_traits<CharT>::std_string  std_string;
Chris@16: 
Chris@16:     typedef CharT                                       value_type;
Chris@16:     typedef value_type*                                 pointer;
Chris@16:     typedef value_type const*                           const_pointer;
Chris@16:     typedef value_type&                                 reference;
Chris@16:     typedef const value_type&                           const_reference;
Chris@16:     typedef std::size_t                                 size_type;
Chris@16:     typedef std::ptrdiff_t                              difference_type;
Chris@16: 
Chris@16:     typedef value_type const*                           const_iterator;
Chris@16:     typedef value_type*                                 iterator;
Chris@16: 
Chris@16:     // !! should also present reverse_iterator, const_reverse_iterator
Chris@16: 
Chris@16: #if !BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600))
Chris@16:     enum npos_type { npos = static_cast<size_type>(-1) };
Chris@16: #else
Chris@16:     // IBM/VisualAge version 6 is not able to handle enums larger than 4 bytes.
Chris@16:     // But size_type is 8 bytes in 64bit mode.
Chris@16:     static const size_type npos = -1 ;
Chris@16: #endif
Chris@16: 
Chris@16:     static pointer  null_str();
Chris@16: 
Chris@16:     // Constructors; default copy constructor is generated by compiler
Chris@16:     basic_cstring();
Chris@16:     basic_cstring( std_string const& s );
Chris@16:     basic_cstring( pointer s );
Chris@16:     basic_cstring( pointer s, size_type arg_size );
Chris@16:     basic_cstring( pointer first, pointer last );
Chris@16: 
Chris@16:     // data access methods
Chris@16:     value_type      operator[]( size_type index ) const;
Chris@16:     value_type      at( size_type index ) const;
Chris@16: 
Chris@16:     // size operators
Chris@16:     size_type       size() const;
Chris@16:     bool            is_empty() const;
Chris@16:     void            clear();
Chris@16:     void            resize( size_type new_len );
Chris@16: 
Chris@16:     // !! only for STL container conformance use is_empty instead
Chris@16:     bool            empty() const; 
Chris@16: 
Chris@16:     // Trimming
Chris@16:     self_type&      trim_right( size_type trim_size );
Chris@16:     self_type&      trim_left( size_type trim_size );
Chris@16:     self_type&      trim_right( iterator it );
Chris@16:     self_type&      trim_left( iterator it );
Chris@16: #ifndef __IBMCPP__
Chris@16:     self_type&      trim_left( self_type exclusions = self_type() ) ;
Chris@16:     self_type&      trim_right( self_type exclusions = self_type() ) ;
Chris@16:     self_type&      trim( self_type exclusions = self_type() ) ;
Chris@16: #else
Chris@16:     // VisualAge version 6 has in this case a problem with the default arguments.
Chris@16:     self_type&      trim_left( self_type exclusions ) ;
Chris@16:     self_type&      trim_right( self_type exclusions ) ;
Chris@16:     self_type&      trim( self_type exclusions ) ;
Chris@16:     self_type&      trim_left() { trim_left( self_type() ) ; }
Chris@16:     self_type&      trim_right() { trim_right( self_type() ) ; }
Chris@16:     self_type&      trim() { trim( self_type() ) ; }
Chris@16: #endif
Chris@16: 
Chris@16:     // Assignment operators
Chris@16:     basic_cstring&  operator=( self_type const& s );
Chris@16:     basic_cstring&  operator=( std_string const& s );
Chris@16:     basic_cstring&  operator=( pointer s );
Chris@16: 
Chris@16:     template<typename CharT2>
Chris@16:     basic_cstring&  assign( basic_cstring<CharT2> const& s ) { *this = basic_cstring<CharT>( s.begin(), s.end() ); return *this; }
Chris@16:     basic_cstring&  assign( self_type const& s, size_type pos, size_type len );
Chris@16:     basic_cstring&  assign( std_string const& s );
Chris@16:     basic_cstring&  assign( std_string const& s, size_type pos, size_type len );
Chris@16:     basic_cstring&  assign( pointer s );
Chris@16:     basic_cstring&  assign( pointer s, size_type len );
Chris@16:     basic_cstring&  assign( pointer f, pointer l );
Chris@16: 
Chris@16:     // swapping
Chris@16:     void            swap( self_type& s );
Chris@16: 
Chris@16:     // Iterators
Chris@16:     iterator        begin();
Chris@16:     const_iterator  begin() const;
Chris@16:     iterator        end();
Chris@16:     const_iterator  end() const;
Chris@16: 
Chris@16:     // !! should have rbegin, rend
Chris@16: 
Chris@16:     // substring search operation
Chris@16:     size_type       find( basic_cstring ) const;
Chris@16:     size_type       rfind( basic_cstring ) const;
Chris@16:     self_type       substr( size_type beg_index, size_type end_index = npos ) const;
Chris@16: 
Chris@16: private:
Chris@16:     static self_type default_trim_ex();
Chris@16: 
Chris@16:     // Data members
Chris@16:     iterator        m_begin;
Chris@16:     iterator        m_end;
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline typename basic_cstring<CharT>::pointer
Chris@16: basic_cstring<CharT>::null_str()
Chris@16: {
Chris@16:     static CharT null = 0;
Chris@16:     return &null;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline
Chris@16: basic_cstring<CharT>::basic_cstring()
Chris@16: : m_begin( null_str() )
Chris@16: , m_end( m_begin )
Chris@16: {
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline
Chris@16: basic_cstring<CharT>::basic_cstring( std_string const& s )
Chris@16: : m_begin( s.c_str() )
Chris@16: , m_end( m_begin + s.size() )
Chris@16: {
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline
Chris@16: basic_cstring<CharT>::basic_cstring( pointer s )
Chris@16: : m_begin( s ? s : null_str() )
Chris@16: , m_end  ( m_begin + (s ? traits_type::length( s ) : 0 ) )
Chris@16: {
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline
Chris@16: basic_cstring<CharT>::basic_cstring( pointer s, size_type arg_size )
Chris@16: : m_begin( s ), m_end( m_begin + arg_size )
Chris@16: {
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline
Chris@16: basic_cstring<CharT>::basic_cstring( pointer first, pointer last )
Chris@16: : m_begin( first )
Chris@16: , m_end( last )
Chris@16: {
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline typename basic_cstring<CharT>::value_type
Chris@16: basic_cstring<CharT>::operator[]( size_type index ) const
Chris@16: {
Chris@16:     return m_begin[index];
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline typename basic_cstring<CharT>::value_type
Chris@16: basic_cstring<CharT>::at( size_type index ) const
Chris@16: {
Chris@16:     if( m_begin + index >= m_end )
Chris@16:         return static_cast<value_type>(0);
Chris@16: 
Chris@16:     return m_begin[index];
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline typename basic_cstring<CharT>::size_type
Chris@16: basic_cstring<CharT>::size() const
Chris@16: {
Chris@16:     return m_end - m_begin;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline bool
Chris@16: basic_cstring<CharT>::is_empty() const
Chris@16: {
Chris@16:     return m_end == m_begin;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline bool
Chris@16: basic_cstring<CharT>::empty() const
Chris@16: {
Chris@16:     return is_empty();
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline void
Chris@16: basic_cstring<CharT>::clear()
Chris@16: {
Chris@16:     m_begin = m_end;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline void
Chris@16: basic_cstring<CharT>::resize( size_type new_len )
Chris@16: {
Chris@16:     if( m_begin + new_len < m_end )
Chris@16:         m_end = m_begin + new_len;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::trim_left( size_type trim_size )
Chris@16: {
Chris@16:     m_begin += trim_size;
Chris@16:     if( m_end <= m_begin )
Chris@16:         clear();
Chris@16: 
Chris@16:     return *this;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::trim_left( iterator it )
Chris@16: {
Chris@16:     m_begin = it;
Chris@16:     if( m_end <= m_begin )
Chris@16:         clear();
Chris@16: 
Chris@16:     return *this;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::trim_left( basic_cstring exclusions )
Chris@16: {
Chris@16:     if( exclusions.is_empty() )
Chris@16:         exclusions = default_trim_ex();
Chris@16: 
Chris@16:     iterator it;
Chris@16:     for( it = begin(); it != end(); ++it ) {
Chris@16:         if( traits_type::find( exclusions.begin(), exclusions.size(), *it ) == reinterpret_cast<pointer>(0) )
Chris@16:             break;
Chris@16:     }
Chris@16:     
Chris@16:     return trim_left( it );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::trim_right( size_type trim_size )
Chris@16: {
Chris@16:     m_end  -= trim_size;
Chris@16:     if( m_end <= m_begin )
Chris@16:         clear();
Chris@16: 
Chris@16:     return *this;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::trim_right( iterator it )
Chris@16: {
Chris@16:     m_end = it;
Chris@16:     if( m_end <= m_begin )
Chris@16:         clear();
Chris@16: 
Chris@16:     return *this;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::trim_right( basic_cstring exclusions )
Chris@16: {
Chris@16:     if( exclusions.is_empty() )
Chris@16:         exclusions = default_trim_ex();
Chris@16: 
Chris@16:     iterator it;
Chris@16: 
Chris@16:     for( it = end()-1; it != begin()-1; --it ) {
Chris@16:         if( self_type::traits_type::find( exclusions.begin(),  exclusions.size(), *it ) == reinterpret_cast<pointer>(0) )
Chris@16:             break;
Chris@16:     }
Chris@16:     
Chris@16:     return trim_right( it+1 );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::trim( basic_cstring exclusions )
Chris@16: {
Chris@16:     trim_left( exclusions );
Chris@16:     trim_right( exclusions );
Chris@16: 
Chris@16:     return *this;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::operator=( basic_cstring<CharT> const& s )
Chris@16: {
Chris@16:     m_begin = s.m_begin;
Chris@16:     m_end   = s.m_end;
Chris@16: 
Chris@16:     return *this;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::operator=( std_string const& s )
Chris@16: {
Chris@16:     return *this = self_type( s );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::operator=( pointer s )
Chris@16: {
Chris@16:     return *this = self_type( s );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::assign( basic_cstring<CharT> const& s, size_type pos, size_type len )
Chris@16: {
Chris@16:     return *this = self_type( s.m_begin + pos, len );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::assign( std_string const& s )
Chris@16: {
Chris@16:     return *this = self_type( s );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::assign( std_string const& s, size_type pos, size_type len )
Chris@16: {
Chris@16:     return *this = self_type( s.c_str() + pos, len );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::assign( pointer s )
Chris@16: {
Chris@16:     return *this = self_type( s );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::assign( pointer s, size_type len )
Chris@16: {
Chris@16:     return *this = self_type( s, len );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>&
Chris@16: basic_cstring<CharT>::assign( pointer f, pointer l )
Chris@16: {
Chris@16:     return *this = self_type( f, l );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline void
Chris@16: basic_cstring<CharT>::swap( basic_cstring<CharT>& s )
Chris@16: {
Chris@16:     // do not want to include alogrithm
Chris@16:     pointer tmp1    = m_begin;
Chris@16:     pointer tmp2    = m_end;
Chris@16: 
Chris@16:     m_begin         = s.m_begin;
Chris@16:     m_end           = s.m_end;
Chris@16: 
Chris@16:     s.m_begin       = tmp1;
Chris@16:     s.m_end         = tmp2;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline typename basic_cstring<CharT>::iterator
Chris@16: basic_cstring<CharT>::begin()
Chris@16: {
Chris@16:     return m_begin;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline typename basic_cstring<CharT>::const_iterator
Chris@16: basic_cstring<CharT>::begin() const
Chris@16: {
Chris@16:     return m_begin;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline typename basic_cstring<CharT>::iterator
Chris@16: basic_cstring<CharT>::end()
Chris@16: {
Chris@16:     return m_end;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline typename basic_cstring<CharT>::const_iterator
Chris@16: basic_cstring<CharT>::end() const
Chris@16: {
Chris@16:     return m_end;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline typename basic_cstring<CharT>::size_type
Chris@16: basic_cstring<CharT>::find( basic_cstring<CharT> str ) const
Chris@16: {
Chris@16:     if( str.is_empty() || str.size() > size() )
Chris@16:         return static_cast<size_type>(npos);
Chris@16: 
Chris@16:     const_iterator it   = begin();
Chris@16:     const_iterator last = end() - str.size() + 1;
Chris@16: 
Chris@16:     while( it != last ) {
Chris@16:         if( traits_type::compare( it, str.begin(), str.size() ) == 0 )
Chris@16:             break;
Chris@16: 
Chris@16:         ++it;
Chris@16:     }
Chris@16: 
Chris@16:     return it == last ? static_cast<size_type>(npos) : it - begin();
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline typename basic_cstring<CharT>::size_type
Chris@16: basic_cstring<CharT>::rfind( basic_cstring<CharT> str ) const
Chris@16: {
Chris@16:     if( str.is_empty() || str.size() > size() )
Chris@16:         return static_cast<size_type>(npos);
Chris@16: 
Chris@16:     const_iterator it   = end() - str.size();
Chris@16:     const_iterator last = begin()-1;
Chris@16: 
Chris@16:     while( it != last ) {
Chris@16:         if( traits_type::compare( it, str.begin(), str.size() ) == 0 )
Chris@16:             break;
Chris@16: 
Chris@16:         --it;
Chris@16:     }
Chris@16: 
Chris@16:     return it == last ? static_cast<size_type>(npos) : static_cast<size_type>(it - begin());
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>
Chris@16: basic_cstring<CharT>::substr( size_type beg_index, size_type end_index ) const
Chris@16: {
Chris@16:     return beg_index > size()
Chris@16:             ?       self_type()
Chris@16:             : end_index > size()
Chris@16:                 ?   self_type( m_begin + beg_index, m_end )
Chris@16:                 :   self_type( m_begin + beg_index, m_begin + end_index );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline basic_cstring<CharT>
Chris@16: basic_cstring<CharT>::default_trim_ex()
Chris@16: {
Chris@16:     static CharT ws[3] = { CharT(' '), CharT('\t'), CharT('\n') }; // !! wide case
Chris@16: 
Chris@16:     return self_type( ws, 3 );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************             comparison operators             ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<typename CharT1,typename CharT2>
Chris@16: inline bool
Chris@16: operator==( basic_cstring<CharT1> const& s1, basic_cstring<CharT2> const& s2 )
Chris@16: {
Chris@16:     typedef typename basic_cstring<CharT1>::traits_type traits_type;
Chris@16:     return s1.size() == s2.size() && 
Chris@16:                traits_type::compare( s1.begin(), s2.begin(), s1.size() ) == 0;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT1,typename CharT2>
Chris@16: inline bool
Chris@16: operator==( basic_cstring<CharT1> const& s1, CharT2* s2 )
Chris@16: {
Chris@16: #if !defined(__DMC__)
Chris@16:     return s1 == basic_cstring<CharT2>( s2 );
Chris@16: #else
Chris@16:     return s1 == basic_cstring<CharT2 const>( s2 );
Chris@16: #endif
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline bool
Chris@16: operator==( basic_cstring<CharT> const& s1, typename basic_cstring<CharT>::std_string const& s2 )
Chris@16: {
Chris@16:     return s1 == basic_cstring<CharT>( s2 );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT1,typename CharT2>
Chris@16: inline bool
Chris@16: operator==( CharT1* s2, basic_cstring<CharT2> const& s1 )
Chris@16: {
Chris@16:     return s1 == s2;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline bool
Chris@16: operator==( typename basic_cstring<CharT>::std_string const& s2, basic_cstring<CharT> const& s1 )
Chris@16: {
Chris@16:     return s1 == s2;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline bool
Chris@16: operator!=( basic_cstring<CharT> const& s1, CharT* s2 )
Chris@16: {
Chris@16:     return !(s1 == s2);
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline bool
Chris@16: operator!=( CharT* s2, basic_cstring<CharT> const& s1 )
Chris@16: {
Chris@16:     return !(s1 == s2);
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline bool
Chris@16: operator!=( basic_cstring<CharT> const& s1, basic_cstring<CharT> const& s2 )
Chris@16: {
Chris@16:     return !(s1 == s2);
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline bool
Chris@16: operator!=( basic_cstring<CharT> const& s1, typename basic_cstring<CharT>::std_string const& s2 )
Chris@16: {
Chris@16:     return !(s1 == s2);
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline bool
Chris@16: operator!=( typename basic_cstring<CharT>::std_string const& s2, basic_cstring<CharT> const& s1 )
Chris@16: {
Chris@16:     return !(s1 == s2);
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                  first_char                  ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline typename basic_cstring<CharT>::value_type
Chris@16: first_char( basic_cstring<CharT> source )
Chris@16: {
Chris@16:     typedef typename basic_cstring<CharT>::value_type string_value_type;
Chris@16: 
Chris@16:     return source.is_empty() ? static_cast<string_value_type>(0) : *source.begin();
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                  last_char                   ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<typename CharT>
Chris@16: inline typename basic_cstring<CharT>::value_type
Chris@16: last_char( basic_cstring<CharT> source )
Chris@16: {
Chris@16:     typedef typename basic_cstring<CharT>::value_type string_value_type;
Chris@16: 
Chris@16:     return source.is_empty() ? static_cast<string_value_type>(0) : *(source.end()-1);
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                  assign_op                   ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<typename CharT1, typename CharT2>
Chris@16: inline void
Chris@16: assign_op( std::basic_string<CharT1>& target, basic_cstring<CharT2> src, int )
Chris@16: {
Chris@16:     target.assign( src.begin(), src.size() );
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: } // namespace unit_test
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: #include <boost/test/detail/enable_warnings.hpp>
Chris@16: 
Chris@16: #endif // BOOST_TEST_BASIC_CSTRING_HPP_071894GER