739 lines
22 KiB
Plaintext
739 lines
22 KiB
Plaintext
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// (C) Copyright Gennadiy Rozental 2001.
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// Distributed under the Boost Software License, Version 1.0.
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// (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 http://www.boost.org/libs/test for the library home page.
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//
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// File : $RCSfile$
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//
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// Version : $Revision$
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//
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// Description : class basic_cstring wraps C string and provide std_string like
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// interface
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// ***************************************************************************
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#ifndef BOOST_TEST_UTILS_BASIC_CSTRING_HPP
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#define BOOST_TEST_UTILS_BASIC_CSTRING_HPP
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// Boost.Test
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#include <boost/test/utils/basic_cstring/basic_cstring_fwd.hpp>
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#include <boost/test/utils/basic_cstring/bcs_char_traits.hpp>
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// Boost
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#include <boost/type_traits/remove_cv.hpp>
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// STL
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#include <string>
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#include <boost/test/detail/suppress_warnings.hpp>
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//____________________________________________________________________________//
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namespace boost {
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namespace unit_test {
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// ************************************************************************** //
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// ************** basic_cstring ************** //
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// ************************************************************************** //
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template<typename CharT>
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class basic_cstring {
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typedef basic_cstring<CharT> self_type;
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public:
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// Subtypes
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typedef ut_detail::bcs_char_traits<CharT> traits_type;
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typedef typename ut_detail::bcs_char_traits<CharT>::std_string std_string;
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typedef CharT value_type;
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typedef typename remove_cv<value_type>::type value_ret_type;
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typedef value_type* pointer;
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typedef value_type const* const_pointer;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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typedef std::size_t size_type;
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typedef std::ptrdiff_t difference_type;
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typedef value_type const* const_iterator;
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typedef value_type* iterator;
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// !! should also present reverse_iterator, const_reverse_iterator
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#if !BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600))
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enum npos_type { npos = static_cast<size_type>(-1) };
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#else
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// IBM/VisualAge version 6 is not able to handle enums larger than 4 bytes.
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// But size_type is 8 bytes in 64bit mode.
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static const size_type npos = -1 ;
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#endif
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static pointer null_str();
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// Constructors; default copy constructor is generated by compiler
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basic_cstring();
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basic_cstring( std_string const& s );
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basic_cstring( pointer s );
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template<typename LenType>
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basic_cstring( pointer s, LenType len ) : m_begin( s ), m_end( m_begin + len ) {}
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basic_cstring( pointer first, pointer last );
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// data access methods
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value_ret_type operator[]( size_type index ) const;
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value_ret_type at( size_type index ) const;
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// size operators
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size_type size() const;
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bool is_empty() const;
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void clear();
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void resize( size_type new_len );
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// !! only for STL container conformance use is_empty instead
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bool empty() const;
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// Trimming
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self_type& trim_right( size_type trim_size );
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self_type& trim_left( size_type trim_size );
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self_type& trim_right( iterator it );
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self_type& trim_left( iterator it );
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#if !BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(800))
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self_type& trim_left( self_type exclusions = self_type() ) ;
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self_type& trim_right( self_type exclusions = self_type() ) ;
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self_type& trim( self_type exclusions = self_type() ) ;
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#else
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// VA C++/XL C++ v6 and v8 has in this case a problem with the default arguments.
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self_type& trim_left( self_type exclusions );
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self_type& trim_right( self_type exclusions );
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self_type& trim( self_type exclusions );
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self_type& trim_left() { return trim_left( self_type() ); }
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self_type& trim_right() { return trim_right( self_type() ); }
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self_type& trim() { return trim( self_type() ); }
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#endif
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// Assignment operators
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basic_cstring& operator=( self_type const& s );
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basic_cstring& operator=( std_string const& s );
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basic_cstring& operator=( pointer s );
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template<typename CharT2>
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basic_cstring& assign( basic_cstring<CharT2> const& s )
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{
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return *this = basic_cstring<CharT>( s.begin(), s.end() );
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}
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template<typename PosType, typename LenType>
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basic_cstring& assign( self_type const& s, PosType pos, LenType len )
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{
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return *this = self_type( s.m_begin + pos, len );
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}
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basic_cstring& assign( std_string const& s );
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template<typename PosType, typename LenType>
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basic_cstring& assign( std_string const& s, PosType pos, LenType len )
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{
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return *this = self_type( s.c_str() + pos, len );
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}
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basic_cstring& assign( pointer s );
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template<typename LenType>
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basic_cstring& assign( pointer s, LenType len )
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{
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return *this = self_type( s, len );
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}
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basic_cstring& assign( pointer f, pointer l );
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// swapping
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void swap( self_type& s );
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// Iterators
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iterator begin();
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const_iterator begin() const;
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iterator end();
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const_iterator end() const;
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// !! should have rbegin, rend
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// substring search operation
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size_type find( basic_cstring ) const;
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size_type rfind( basic_cstring ) const;
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self_type substr( size_type beg_index, size_type end_index = npos ) const;
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private:
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static self_type default_trim_ex();
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// Data members
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iterator m_begin;
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iterator m_end;
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};
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//____________________________________________________________________________//
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template<typename CharT>
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inline typename basic_cstring<CharT>::pointer
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basic_cstring<CharT>::null_str()
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{
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static CharT null = 0;
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return &null;
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline
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basic_cstring<CharT>::basic_cstring()
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: m_begin( null_str() )
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, m_end( m_begin )
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{
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline
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basic_cstring<CharT>::basic_cstring( std_string const& s )
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: m_begin( s.c_str() )
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, m_end( m_begin + s.size() )
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{
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline
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basic_cstring<CharT>::basic_cstring( pointer s )
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: m_begin( s ? s : null_str() )
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, m_end ( m_begin + (s ? traits_type::length( s ) : 0 ) )
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{
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline
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basic_cstring<CharT>::basic_cstring( pointer first, pointer last )
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: m_begin( first )
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, m_end( last )
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{
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline typename basic_cstring<CharT>::value_ret_type
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basic_cstring<CharT>::operator[]( size_type index ) const
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{
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return m_begin[index];
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline typename basic_cstring<CharT>::value_ret_type
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basic_cstring<CharT>::at( size_type index ) const
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{
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if( m_begin + index >= m_end )
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return static_cast<value_type>(0);
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return m_begin[index];
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline typename basic_cstring<CharT>::size_type
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basic_cstring<CharT>::size() const
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{
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return static_cast<size_type>(m_end - m_begin);
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline bool
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basic_cstring<CharT>::is_empty() const
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{
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return m_end == m_begin;
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline bool
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basic_cstring<CharT>::empty() const
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{
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return is_empty();
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline void
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basic_cstring<CharT>::clear()
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{
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m_begin = m_end;
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline void
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basic_cstring<CharT>::resize( size_type new_len )
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{
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if( m_begin + new_len < m_end )
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m_end = m_begin + new_len;
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline basic_cstring<CharT>&
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basic_cstring<CharT>::trim_left( size_type trim_size )
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{
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m_begin += trim_size;
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if( m_end <= m_begin )
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clear();
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return *this;
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline basic_cstring<CharT>&
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basic_cstring<CharT>::trim_left( iterator it )
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{
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m_begin = it;
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if( m_end <= m_begin )
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clear();
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return *this;
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline basic_cstring<CharT>&
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basic_cstring<CharT>::trim_left( basic_cstring exclusions )
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{
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if( exclusions.is_empty() )
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exclusions = default_trim_ex();
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iterator it;
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for( it = begin(); it != end(); ++it ) {
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if( traits_type::find( exclusions.begin(), exclusions.size(), *it ) == reinterpret_cast<pointer>(0) )
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break;
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}
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return trim_left( it );
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline basic_cstring<CharT>&
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basic_cstring<CharT>::trim_right( size_type trim_size )
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{
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m_end -= trim_size;
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if( m_end <= m_begin )
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clear();
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return *this;
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline basic_cstring<CharT>&
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basic_cstring<CharT>::trim_right( iterator it )
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{
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m_end = it;
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if( m_end <= m_begin )
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clear();
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return *this;
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline basic_cstring<CharT>&
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basic_cstring<CharT>::trim_right( basic_cstring exclusions )
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{
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if( exclusions.is_empty() )
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exclusions = default_trim_ex();
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iterator it;
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for( it = end()-1; it != begin()-1; --it ) {
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if( self_type::traits_type::find( exclusions.begin(), exclusions.size(), *it ) == reinterpret_cast<pointer>(0) )
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break;
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}
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return trim_right( it+1 );
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline basic_cstring<CharT>&
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basic_cstring<CharT>::trim( basic_cstring exclusions )
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{
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trim_left( exclusions );
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trim_right( exclusions );
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return *this;
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline basic_cstring<CharT>&
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basic_cstring<CharT>::operator=( basic_cstring<CharT> const& s )
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{
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m_begin = s.m_begin;
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m_end = s.m_end;
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return *this;
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}
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//____________________________________________________________________________//
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template<typename CharT>
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inline basic_cstring<CharT>&
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basic_cstring<CharT>::operator=( std_string const& s )
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{
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return *this = self_type( s );
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}
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|
|
//____________________________________________________________________________//
|
||
|
|
|
||
|
|
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( std_string const& s )
|
||
|
|
{
|
||
|
|
return *this = self_type( s );
|
||
|
|
}
|
||
|
|
|
||
|
|
//____________________________________________________________________________//
|
||
|
|
|
||
|
|
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 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 static_cast<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 ? npos : static_cast<size_type>(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 static_cast<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 ? static_cast<size_type>(npos) : static_cast<size_type>(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_ret_type
|
||
|
|
first_char( basic_cstring<CharT> source )
|
||
|
|
{
|
||
|
|
typedef typename basic_cstring<CharT>::value_ret_type res_type;
|
||
|
|
|
||
|
|
return source.is_empty() ? static_cast<res_type>(0) : *source.begin();
|
||
|
|
}
|
||
|
|
|
||
|
|
//____________________________________________________________________________//
|
||
|
|
|
||
|
|
// ************************************************************************** //
|
||
|
|
// ************** last_char ************** //
|
||
|
|
// ************************************************************************** //
|
||
|
|
|
||
|
|
template<typename CharT>
|
||
|
|
inline typename basic_cstring<CharT>::value_ret_type
|
||
|
|
last_char( basic_cstring<CharT> source )
|
||
|
|
{
|
||
|
|
typedef typename basic_cstring<CharT>::value_ret_type res_type;
|
||
|
|
|
||
|
|
return source.is_empty() ? static_cast<res_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() );
|
||
|
|
}
|
||
|
|
|
||
|
|
//____________________________________________________________________________//
|
||
|
|
|
||
|
|
template<typename CharT1, typename CharT2>
|
||
|
|
inline std::basic_string<CharT1>&
|
||
|
|
operator+=( std::basic_string<CharT1>& target, basic_cstring<CharT2> const& str )
|
||
|
|
{
|
||
|
|
target.append( str.begin(), str.end() );
|
||
|
|
return target;
|
||
|
|
}
|
||
|
|
|
||
|
|
//____________________________________________________________________________//
|
||
|
|
|
||
|
|
template<typename CharT1, typename CharT2>
|
||
|
|
inline std::basic_string<CharT1>
|
||
|
|
operator+( std::basic_string<CharT1> const& lhs, basic_cstring<CharT2> const& rhs )
|
||
|
|
{
|
||
|
|
std::basic_string<CharT1> res( lhs );
|
||
|
|
|
||
|
|
res.append( rhs.begin(), rhs.end() );
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
//____________________________________________________________________________//
|
||
|
|
|
||
|
|
} // namespace unit_test
|
||
|
|
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
//____________________________________________________________________________//
|
||
|
|
|
||
|
|
#include <boost/test/detail/enable_warnings.hpp>
|
||
|
|
|
||
|
|
#endif // BOOST_TEST_UTILS_BASIC_CSTRING_HPP
|