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Diffstat (limited to 'src/third_party/boost/boost/test/utils/iterator/token_iterator.hpp')
| -rw-r--r-- | src/third_party/boost/boost/test/utils/iterator/token_iterator.hpp | 418 |
1 files changed, 0 insertions, 418 deletions
diff --git a/src/third_party/boost/boost/test/utils/iterator/token_iterator.hpp b/src/third_party/boost/boost/test/utils/iterator/token_iterator.hpp deleted file mode 100644 index c303ab7e711..00000000000 --- a/src/third_party/boost/boost/test/utils/iterator/token_iterator.hpp +++ /dev/null @@ -1,418 +0,0 @@ -// (C) Copyright Gennadiy Rozental 2004-2008. -// 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: 54633 $ -// -// Description : token iterator for string and range tokenization -// *************************************************************************** - -#ifndef BOOST_TOKEN_ITERATOR_HPP_071894GER -#define BOOST_TOKEN_ITERATOR_HPP_071894GER - -// Boost -#include <boost/config.hpp> -#include <boost/detail/workaround.hpp> - -#include <boost/iterator/iterator_categories.hpp> -#include <boost/iterator/iterator_traits.hpp> - -#include <boost/test/utils/iterator/input_iterator_facade.hpp> -#include <boost/test/utils/basic_cstring/basic_cstring.hpp> -#include <boost/test/utils/named_params.hpp> -#include <boost/test/utils/foreach.hpp> - -// STL -#include <iosfwd> -#include <cctype> - -#include <boost/test/detail/suppress_warnings.hpp> - -//____________________________________________________________________________// - -#ifdef BOOST_NO_STDC_NAMESPACE -namespace std{ using ::ispunct; using ::isspace; } -#endif - -namespace boost { - -namespace unit_test { - -// ************************************************************************** // -// ************** ti_delimeter_type ************** // -// ************************************************************************** // - -enum ti_delimeter_type { - dt_char, // character is delimeter if it among explicit list of some characters - dt_ispunct, // character is delimeter if it satisfies ispunct functor - dt_isspace, // character is delimeter if it satisfies isspace functor - dt_none // no character is delimeter -}; - -namespace ut_detail { - -// ************************************************************************** // -// ************** default_char_compare ************** // -// ************************************************************************** // - -template<typename CharT> -class default_char_compare { -public: - bool operator()( CharT c1, CharT c2 ) - { -#ifdef BOOST_CLASSIC_IOSTREAMS - return std::string_char_traits<CharT>::eq( c1, c2 ); -#else - return std::char_traits<CharT>::eq( c1, c2 ); -#endif - } -}; - -// ************************************************************************** // -// ************** delim_policy ************** // -// ************************************************************************** // - -template<typename CharT,typename CharCompare> -class delim_policy { - typedef basic_cstring<CharT const> cstring; -public: - // Constructor - explicit delim_policy( ti_delimeter_type t = dt_char, cstring d = cstring() ) - : m_type( t ) - { - set_delimeters( d ); - } - - void set_delimeters( ti_delimeter_type t ) { m_type = t; } - template<typename Src> - void set_delimeters( Src d ) - { - nfp::optionally_assign( m_delimeters, d ); - - if( !m_delimeters.is_empty() ) - m_type = dt_char; - } - - bool operator()( CharT c ) - { - switch( m_type ) { - case dt_char: { - BOOST_TEST_FOREACH( CharT, delim, m_delimeters ) - if( CharCompare()( delim, c ) ) - return true; - - return false; - } - case dt_ispunct: - return (std::ispunct)( c ) != 0; - case dt_isspace: - return (std::isspace)( c ) != 0; - case dt_none: - return false; - } - - return false; - } - -private: - // Data members - cstring m_delimeters; - ti_delimeter_type m_type; -}; - -// ************************************************************************** // -// ************** token_assigner ************** // -// ************************************************************************** // - -template<typename TraversalTag> -struct token_assigner { -#if BOOST_WORKAROUND( BOOST_DINKUMWARE_STDLIB, < 306 ) - template<typename Iterator, typename C, typename T> - static void assign( Iterator b, Iterator e, std::basic_string<C,T>& t ) - { for( ; b != e; ++b ) t += *b; } - - template<typename Iterator, typename C> - static void assign( Iterator b, Iterator e, basic_cstring<C>& t ) { t.assign( b, e ); } -#else - template<typename Iterator, typename Token> - static void assign( Iterator b, Iterator e, Token& t ) { t.assign( b, e ); } -#endif - template<typename Iterator, typename Token> - static void append_move( Iterator& b, Token& ) { ++b; } -}; - -//____________________________________________________________________________// - -template<> -struct token_assigner<single_pass_traversal_tag> { - template<typename Iterator, typename Token> - static void assign( Iterator b, Iterator e, Token& t ) {} - - template<typename Iterator, typename Token> - static void append_move( Iterator& b, Token& t ) { t += *b; ++b; } -}; - -} // namespace ut_detail - -// ************************************************************************** // -// ************** modifiers ************** // -// ************************************************************************** // - -namespace { -nfp::keyword<struct dropped_delimeters_t > dropped_delimeters; -nfp::keyword<struct kept_delimeters_t > kept_delimeters; -nfp::typed_keyword<bool,struct keep_empty_tokens_t > keep_empty_tokens; -nfp::typed_keyword<std::size_t,struct max_tokens_t > max_tokens; -} - -// ************************************************************************** // -// ************** token_iterator_base ************** // -// ************************************************************************** // - -template<typename Derived, - typename CharT, - typename CharCompare = ut_detail::default_char_compare<CharT>, - typename ValueType = basic_cstring<CharT const>, - typename Reference = basic_cstring<CharT const>, - typename Traversal = forward_traversal_tag> -class token_iterator_base -: public input_iterator_facade<Derived,ValueType,Reference,Traversal> { - typedef basic_cstring<CharT const> cstring; - typedef ut_detail::delim_policy<CharT,CharCompare> delim_policy; - typedef input_iterator_facade<Derived,ValueType,Reference,Traversal> base; - -protected: - // Constructor - explicit token_iterator_base() - : m_is_dropped( dt_isspace ) - , m_is_kept( dt_ispunct ) - , m_keep_empty_tokens( false ) - , m_tokens_left( static_cast<std::size_t>(-1) ) - , m_token_produced( false ) - { - } - - template<typename Modifier> - void - apply_modifier( Modifier const& m ) - { - if( m.has( dropped_delimeters ) ) - m_is_dropped.set_delimeters( m[dropped_delimeters] ); - - if( m.has( kept_delimeters ) ) - m_is_kept.set_delimeters( m[kept_delimeters] ); - - if( m.has( keep_empty_tokens ) ) - m_keep_empty_tokens = true; - - nfp::optionally_assign( m_tokens_left, m, max_tokens ); - } - - template<typename Iter> - bool get( Iter& begin, Iter end ) - { - typedef ut_detail::token_assigner<BOOST_DEDUCED_TYPENAME iterator_traversal<Iter>::type> Assigner; - Iter check_point; - - this->m_value.clear(); - - if( !m_keep_empty_tokens ) { - while( begin != end && m_is_dropped( *begin ) ) - ++begin; - - if( begin == end ) - return false; - - check_point = begin; - - if( m_tokens_left == 1 ) - while( begin != end ) - Assigner::append_move( begin, this->m_value ); - else if( m_is_kept( *begin ) ) - Assigner::append_move( begin, this->m_value ); - else - while( begin != end && !m_is_dropped( *begin ) && !m_is_kept( *begin ) ) - Assigner::append_move( begin, this->m_value ); - - --m_tokens_left; - } - else { // m_keep_empty_tokens is true - check_point = begin; - - if( begin == end ) { - if( m_token_produced ) - return false; - - m_token_produced = true; - } - if( m_is_kept( *begin ) ) { - if( m_token_produced ) - Assigner::append_move( begin, this->m_value ); - - m_token_produced = !m_token_produced; - } - else if( !m_token_produced && m_is_dropped( *begin ) ) - m_token_produced = true; - else { - if( m_is_dropped( *begin ) ) - check_point = ++begin; - - while( begin != end && !m_is_dropped( *begin ) && !m_is_kept( *begin ) ) - Assigner::append_move( begin, this->m_value ); - - m_token_produced = true; - } - } - - Assigner::assign( check_point, begin, this->m_value ); - - return true; - } - -private: - // Data members - delim_policy m_is_dropped; - delim_policy m_is_kept; - bool m_keep_empty_tokens; - std::size_t m_tokens_left; - bool m_token_produced; -}; - -// ************************************************************************** // -// ************** basic_string_token_iterator ************** // -// ************************************************************************** // - -template<typename CharT, - typename CharCompare = ut_detail::default_char_compare<CharT> > -class basic_string_token_iterator -: public token_iterator_base<basic_string_token_iterator<CharT,CharCompare>,CharT,CharCompare> { - typedef basic_cstring<CharT const> cstring; - typedef token_iterator_base<basic_string_token_iterator<CharT,CharCompare>,CharT,CharCompare> base; -public: - explicit basic_string_token_iterator() {} - explicit basic_string_token_iterator( cstring src ) - : m_src( src ) - { - this->init(); - } - - template<typename Src, typename Modifier> - basic_string_token_iterator( Src src, Modifier const& m ) - : m_src( src ) - { - this->apply_modifier( m ); - - this->init(); - } - -private: - friend class input_iterator_core_access; - - // input iterator implementation - bool get() - { - typename cstring::iterator begin = m_src.begin(); - bool res = base::get( begin, m_src.end() ); - - m_src.assign( begin, m_src.end() ); - - return res; - } - - // Data members - cstring m_src; -}; - -typedef basic_string_token_iterator<char> string_token_iterator; -typedef basic_string_token_iterator<wchar_t> wstring_token_iterator; - -// ************************************************************************** // -// ************** range_token_iterator ************** // -// ************************************************************************** // - -template<typename Iter, - typename CharCompare = ut_detail::default_char_compare<BOOST_DEDUCED_TYPENAME iterator_value<Iter>::type>, - typename ValueType = std::basic_string<BOOST_DEDUCED_TYPENAME iterator_value<Iter>::type>, - typename Reference = ValueType const&> -class range_token_iterator -: public token_iterator_base<range_token_iterator<Iter,CharCompare,ValueType,Reference>, - typename iterator_value<Iter>::type,CharCompare,ValueType,Reference> { - typedef basic_cstring<typename ValueType::value_type> cstring; - typedef token_iterator_base<range_token_iterator<Iter,CharCompare,ValueType,Reference>, - typename iterator_value<Iter>::type,CharCompare,ValueType,Reference> base; -public: - explicit range_token_iterator() {} - explicit range_token_iterator( Iter begin, Iter end = Iter() ) - : m_begin( begin ), m_end( end ) - { - this->init(); - } - range_token_iterator( range_token_iterator const& rhs ) - : base( rhs ) - { - if( this->m_valid ) { - m_begin = rhs.m_begin; - m_end = rhs.m_end; - } - } - - template<typename Modifier> - range_token_iterator( Iter begin, Iter end, Modifier const& m ) - : m_begin( begin ), m_end( end ) - { - this->apply_modifier( m ); - - this->init(); - } - -private: - friend class input_iterator_core_access; - - // input iterator implementation - bool get() - { - return base::get( m_begin, m_end ); - } - - // Data members - Iter m_begin; - Iter m_end; -}; - -// ************************************************************************** // -// ************** make_range_token_iterator ************** // -// ************************************************************************** // - -template<typename Iter> -inline range_token_iterator<Iter> -make_range_token_iterator( Iter begin, Iter end = Iter() ) -{ - return range_token_iterator<Iter>( begin, end ); -} - -//____________________________________________________________________________// - -template<typename Iter,typename Modifier> -inline range_token_iterator<Iter> -make_range_token_iterator( Iter begin, Iter end, Modifier const& m ) -{ - return range_token_iterator<Iter>( begin, end, m ); -} - -//____________________________________________________________________________// - -} // namespace unit_test - -} // namespace boost - -//____________________________________________________________________________// - -#include <boost/test/detail/enable_warnings.hpp> - -#endif // BOOST_TOKEN_ITERATOR_HPP_071894GER - |