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Diffstat (limited to 'contrib/src/boost/algorithm/string/detail/classification.hpp')
-rw-r--r-- | contrib/src/boost/algorithm/string/detail/classification.hpp | 706 |
1 files changed, 353 insertions, 353 deletions
diff --git a/contrib/src/boost/algorithm/string/detail/classification.hpp b/contrib/src/boost/algorithm/string/detail/classification.hpp index 704d9d2..7fe9d58 100644 --- a/contrib/src/boost/algorithm/string/detail/classification.hpp +++ b/contrib/src/boost/algorithm/string/detail/classification.hpp @@ -1,353 +1,353 @@ -// Boost string_algo library classification.hpp header file ---------------------------// - -// Copyright Pavol Droba 2002-2003. -// -// 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/ for updates, documentation, and revision history. - -#ifndef BOOST_STRING_CLASSIFICATION_DETAIL_HPP -#define BOOST_STRING_CLASSIFICATION_DETAIL_HPP - -#include <boost/algorithm/string/config.hpp> -#include <algorithm> -#include <functional> -#include <locale> - -#include <boost/range/begin.hpp> -#include <boost/range/end.hpp> - -#include <boost/algorithm/string/predicate_facade.hpp> -#include <boost/type_traits/remove_const.hpp> - -namespace boost { - namespace algorithm { - namespace detail { - -// classification functors -----------------------------------------------// - - // is_classified functor - struct is_classifiedF : - public predicate_facade<is_classifiedF> - { - // Boost.ResultOf support - typedef bool result_type; - - // Constructor from a locale - is_classifiedF(std::ctype_base::mask Type, std::locale const & Loc = std::locale()) : - m_Type(Type), m_Locale(Loc) {} - // Operation - template<typename CharT> - bool operator()( CharT Ch ) const - { - return std::use_facet< std::ctype<CharT> >(m_Locale).is( m_Type, Ch ); - } - - #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x582) && !defined(_USE_OLD_RW_STL) - template<> - bool operator()( char const Ch ) const - { - return std::use_facet< std::ctype<char> >(m_Locale).is( m_Type, Ch ); - } - #endif - - private: - std::ctype_base::mask m_Type; - std::locale m_Locale; - }; - - - // is_any_of functor - /* - returns true if the value is from the specified set - */ - template<typename CharT> - struct is_any_ofF : - public predicate_facade<is_any_ofF<CharT> > - { - private: - // set cannot operate on const value-type - typedef typename ::boost::remove_const<CharT>::type set_value_type; - - public: - // Boost.ResultOf support - typedef bool result_type; - - // Constructor - template<typename RangeT> - is_any_ofF( const RangeT& Range ) : m_Size(0) - { - // Prepare storage - m_Storage.m_dynSet=0; - - std::size_t Size=::boost::distance(Range); - m_Size=Size; - set_value_type* Storage=0; - - if(use_fixed_storage(m_Size)) - { - // Use fixed storage - Storage=&m_Storage.m_fixSet[0]; - } - else - { - // Use dynamic storage - m_Storage.m_dynSet=new set_value_type[m_Size]; - Storage=m_Storage.m_dynSet; - } - - // Use fixed storage - ::std::copy(::boost::begin(Range), ::boost::end(Range), Storage); - ::std::sort(Storage, Storage+m_Size); - } - - // Copy constructor - is_any_ofF(const is_any_ofF& Other) : m_Size(Other.m_Size) - { - // Prepare storage - m_Storage.m_dynSet=0; - const set_value_type* SrcStorage=0; - set_value_type* DestStorage=0; - - if(use_fixed_storage(m_Size)) - { - // Use fixed storage - DestStorage=&m_Storage.m_fixSet[0]; - SrcStorage=&Other.m_Storage.m_fixSet[0]; - } - else - { - // Use dynamic storage - m_Storage.m_dynSet=new set_value_type[m_Size]; - DestStorage=m_Storage.m_dynSet; - SrcStorage=Other.m_Storage.m_dynSet; - } - - // Use fixed storage - ::std::memcpy(DestStorage, SrcStorage, sizeof(set_value_type)*m_Size); - } - - // Destructor - ~is_any_ofF() - { - if(!use_fixed_storage(m_Size) && m_Storage.m_dynSet!=0) - { - delete [] m_Storage.m_dynSet; - } - } - - // Assignment - is_any_ofF& operator=(const is_any_ofF& Other) - { - // Handle self assignment - if(this==&Other) return *this; - - // Prepare storage - const set_value_type* SrcStorage; - set_value_type* DestStorage; - - if(use_fixed_storage(Other.m_Size)) - { - // Use fixed storage - DestStorage=&m_Storage.m_fixSet[0]; - SrcStorage=&Other.m_Storage.m_fixSet[0]; - - // Delete old storage if was present - if(!use_fixed_storage(m_Size) && m_Storage.m_dynSet!=0) - { - delete [] m_Storage.m_dynSet; - } - - // Set new size - m_Size=Other.m_Size; - } - else - { - // Other uses dynamic storage - SrcStorage=Other.m_Storage.m_dynSet; - - // Check what kind of storage are we using right now - if(use_fixed_storage(m_Size)) - { - // Using fixed storage, allocate new - set_value_type* pTemp=new set_value_type[Other.m_Size]; - DestStorage=pTemp; - m_Storage.m_dynSet=pTemp; - m_Size=Other.m_Size; - } - else - { - // Using dynamic storage, check if can reuse - if(m_Storage.m_dynSet!=0 && m_Size>=Other.m_Size && m_Size<Other.m_Size*2) - { - // Reuse the current storage - DestStorage=m_Storage.m_dynSet; - m_Size=Other.m_Size; - } - else - { - // Allocate the new one - set_value_type* pTemp=new set_value_type[Other.m_Size]; - DestStorage=pTemp; - - // Delete old storage if necessary - if(m_Storage.m_dynSet!=0) - { - delete [] m_Storage.m_dynSet; - } - // Store the new storage - m_Storage.m_dynSet=pTemp; - // Set new size - m_Size=Other.m_Size; - } - } - } - - // Copy the data - ::std::memcpy(DestStorage, SrcStorage, sizeof(set_value_type)*m_Size); - - return *this; - } - - // Operation - template<typename Char2T> - bool operator()( Char2T Ch ) const - { - const set_value_type* Storage= - (use_fixed_storage(m_Size)) - ? &m_Storage.m_fixSet[0] - : m_Storage.m_dynSet; - - return ::std::binary_search(Storage, Storage+m_Size, Ch); - } - private: - // check if the size is eligible for fixed storage - static bool use_fixed_storage(std::size_t size) - { - return size<=sizeof(set_value_type*)*2; - } - - - private: - // storage - // The actual used storage is selected on the type - union - { - set_value_type* m_dynSet; - set_value_type m_fixSet[sizeof(set_value_type*)*2]; - } - m_Storage; - - // storage size - ::std::size_t m_Size; - }; - - // is_from_range functor - /* - returns true if the value is from the specified range. - (i.e. x>=From && x>=To) - */ - template<typename CharT> - struct is_from_rangeF : - public predicate_facade< is_from_rangeF<CharT> > - { - // Boost.ResultOf support - typedef bool result_type; - - // Constructor - is_from_rangeF( CharT From, CharT To ) : m_From(From), m_To(To) {} - - // Operation - template<typename Char2T> - bool operator()( Char2T Ch ) const - { - return ( m_From <= Ch ) && ( Ch <= m_To ); - } - - private: - CharT m_From; - CharT m_To; - }; - - // class_and composition predicate - template<typename Pred1T, typename Pred2T> - struct pred_andF : - public predicate_facade< pred_andF<Pred1T,Pred2T> > - { - public: - - // Boost.ResultOf support - typedef bool result_type; - - // Constructor - pred_andF( Pred1T Pred1, Pred2T Pred2 ) : - m_Pred1(Pred1), m_Pred2(Pred2) {} - - // Operation - template<typename CharT> - bool operator()( CharT Ch ) const - { - return m_Pred1(Ch) && m_Pred2(Ch); - } - - private: - Pred1T m_Pred1; - Pred2T m_Pred2; - }; - - // class_or composition predicate - template<typename Pred1T, typename Pred2T> - struct pred_orF : - public predicate_facade< pred_orF<Pred1T,Pred2T> > - { - public: - // Boost.ResultOf support - typedef bool result_type; - - // Constructor - pred_orF( Pred1T Pred1, Pred2T Pred2 ) : - m_Pred1(Pred1), m_Pred2(Pred2) {} - - // Operation - template<typename CharT> - bool operator()( CharT Ch ) const - { - return m_Pred1(Ch) || m_Pred2(Ch); - } - - private: - Pred1T m_Pred1; - Pred2T m_Pred2; - }; - - // class_not composition predicate - template< typename PredT > - struct pred_notF : - public predicate_facade< pred_notF<PredT> > - { - public: - // Boost.ResultOf support - typedef bool result_type; - - // Constructor - pred_notF( PredT Pred ) : m_Pred(Pred) {} - - // Operation - template<typename CharT> - bool operator()( CharT Ch ) const - { - return !m_Pred(Ch); - } - - private: - PredT m_Pred; - }; - - } // namespace detail - } // namespace algorithm -} // namespace boost - - -#endif // BOOST_STRING_CLASSIFICATION_DETAIL_HPP +// Boost string_algo library classification.hpp header file ---------------------------//
+
+// Copyright Pavol Droba 2002-2003.
+//
+// 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/ for updates, documentation, and revision history.
+
+#ifndef BOOST_STRING_CLASSIFICATION_DETAIL_HPP
+#define BOOST_STRING_CLASSIFICATION_DETAIL_HPP
+
+#include <boost/algorithm/string/config.hpp>
+#include <algorithm>
+#include <functional>
+#include <locale>
+
+#include <boost/range/begin.hpp>
+#include <boost/range/end.hpp>
+
+#include <boost/algorithm/string/predicate_facade.hpp>
+#include <boost/type_traits/remove_const.hpp>
+
+namespace boost {
+ namespace algorithm {
+ namespace detail {
+
+// classification functors -----------------------------------------------//
+
+ // is_classified functor
+ struct is_classifiedF :
+ public predicate_facade<is_classifiedF>
+ {
+ // Boost.ResultOf support
+ typedef bool result_type;
+
+ // Constructor from a locale
+ is_classifiedF(std::ctype_base::mask Type, std::locale const & Loc = std::locale()) :
+ m_Type(Type), m_Locale(Loc) {}
+ // Operation
+ template<typename CharT>
+ bool operator()( CharT Ch ) const
+ {
+ return std::use_facet< std::ctype<CharT> >(m_Locale).is( m_Type, Ch );
+ }
+
+ #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x582) && !defined(_USE_OLD_RW_STL)
+ template<>
+ bool operator()( char const Ch ) const
+ {
+ return std::use_facet< std::ctype<char> >(m_Locale).is( m_Type, Ch );
+ }
+ #endif
+
+ private:
+ std::ctype_base::mask m_Type;
+ std::locale m_Locale;
+ };
+
+
+ // is_any_of functor
+ /*
+ returns true if the value is from the specified set
+ */
+ template<typename CharT>
+ struct is_any_ofF :
+ public predicate_facade<is_any_ofF<CharT> >
+ {
+ private:
+ // set cannot operate on const value-type
+ typedef typename ::boost::remove_const<CharT>::type set_value_type;
+
+ public:
+ // Boost.ResultOf support
+ typedef bool result_type;
+
+ // Constructor
+ template<typename RangeT>
+ is_any_ofF( const RangeT& Range ) : m_Size(0)
+ {
+ // Prepare storage
+ m_Storage.m_dynSet=0;
+
+ std::size_t Size=::boost::distance(Range);
+ m_Size=Size;
+ set_value_type* Storage=0;
+
+ if(use_fixed_storage(m_Size))
+ {
+ // Use fixed storage
+ Storage=&m_Storage.m_fixSet[0];
+ }
+ else
+ {
+ // Use dynamic storage
+ m_Storage.m_dynSet=new set_value_type[m_Size];
+ Storage=m_Storage.m_dynSet;
+ }
+
+ // Use fixed storage
+ ::std::copy(::boost::begin(Range), ::boost::end(Range), Storage);
+ ::std::sort(Storage, Storage+m_Size);
+ }
+
+ // Copy constructor
+ is_any_ofF(const is_any_ofF& Other) : m_Size(Other.m_Size)
+ {
+ // Prepare storage
+ m_Storage.m_dynSet=0;
+ const set_value_type* SrcStorage=0;
+ set_value_type* DestStorage=0;
+
+ if(use_fixed_storage(m_Size))
+ {
+ // Use fixed storage
+ DestStorage=&m_Storage.m_fixSet[0];
+ SrcStorage=&Other.m_Storage.m_fixSet[0];
+ }
+ else
+ {
+ // Use dynamic storage
+ m_Storage.m_dynSet=new set_value_type[m_Size];
+ DestStorage=m_Storage.m_dynSet;
+ SrcStorage=Other.m_Storage.m_dynSet;
+ }
+
+ // Use fixed storage
+ ::std::memcpy(DestStorage, SrcStorage, sizeof(set_value_type)*m_Size);
+ }
+
+ // Destructor
+ ~is_any_ofF()
+ {
+ if(!use_fixed_storage(m_Size) && m_Storage.m_dynSet!=0)
+ {
+ delete [] m_Storage.m_dynSet;
+ }
+ }
+
+ // Assignment
+ is_any_ofF& operator=(const is_any_ofF& Other)
+ {
+ // Handle self assignment
+ if(this==&Other) return *this;
+
+ // Prepare storage
+ const set_value_type* SrcStorage;
+ set_value_type* DestStorage;
+
+ if(use_fixed_storage(Other.m_Size))
+ {
+ // Use fixed storage
+ DestStorage=&m_Storage.m_fixSet[0];
+ SrcStorage=&Other.m_Storage.m_fixSet[0];
+
+ // Delete old storage if was present
+ if(!use_fixed_storage(m_Size) && m_Storage.m_dynSet!=0)
+ {
+ delete [] m_Storage.m_dynSet;
+ }
+
+ // Set new size
+ m_Size=Other.m_Size;
+ }
+ else
+ {
+ // Other uses dynamic storage
+ SrcStorage=Other.m_Storage.m_dynSet;
+
+ // Check what kind of storage are we using right now
+ if(use_fixed_storage(m_Size))
+ {
+ // Using fixed storage, allocate new
+ set_value_type* pTemp=new set_value_type[Other.m_Size];
+ DestStorage=pTemp;
+ m_Storage.m_dynSet=pTemp;
+ m_Size=Other.m_Size;
+ }
+ else
+ {
+ // Using dynamic storage, check if can reuse
+ if(m_Storage.m_dynSet!=0 && m_Size>=Other.m_Size && m_Size<Other.m_Size*2)
+ {
+ // Reuse the current storage
+ DestStorage=m_Storage.m_dynSet;
+ m_Size=Other.m_Size;
+ }
+ else
+ {
+ // Allocate the new one
+ set_value_type* pTemp=new set_value_type[Other.m_Size];
+ DestStorage=pTemp;
+
+ // Delete old storage if necessary
+ if(m_Storage.m_dynSet!=0)
+ {
+ delete [] m_Storage.m_dynSet;
+ }
+ // Store the new storage
+ m_Storage.m_dynSet=pTemp;
+ // Set new size
+ m_Size=Other.m_Size;
+ }
+ }
+ }
+
+ // Copy the data
+ ::std::memcpy(DestStorage, SrcStorage, sizeof(set_value_type)*m_Size);
+
+ return *this;
+ }
+
+ // Operation
+ template<typename Char2T>
+ bool operator()( Char2T Ch ) const
+ {
+ const set_value_type* Storage=
+ (use_fixed_storage(m_Size))
+ ? &m_Storage.m_fixSet[0]
+ : m_Storage.m_dynSet;
+
+ return ::std::binary_search(Storage, Storage+m_Size, Ch);
+ }
+ private:
+ // check if the size is eligible for fixed storage
+ static bool use_fixed_storage(std::size_t size)
+ {
+ return size<=sizeof(set_value_type*)*2;
+ }
+
+
+ private:
+ // storage
+ // The actual used storage is selected on the type
+ union
+ {
+ set_value_type* m_dynSet;
+ set_value_type m_fixSet[sizeof(set_value_type*)*2];
+ }
+ m_Storage;
+
+ // storage size
+ ::std::size_t m_Size;
+ };
+
+ // is_from_range functor
+ /*
+ returns true if the value is from the specified range.
+ (i.e. x>=From && x>=To)
+ */
+ template<typename CharT>
+ struct is_from_rangeF :
+ public predicate_facade< is_from_rangeF<CharT> >
+ {
+ // Boost.ResultOf support
+ typedef bool result_type;
+
+ // Constructor
+ is_from_rangeF( CharT From, CharT To ) : m_From(From), m_To(To) {}
+
+ // Operation
+ template<typename Char2T>
+ bool operator()( Char2T Ch ) const
+ {
+ return ( m_From <= Ch ) && ( Ch <= m_To );
+ }
+
+ private:
+ CharT m_From;
+ CharT m_To;
+ };
+
+ // class_and composition predicate
+ template<typename Pred1T, typename Pred2T>
+ struct pred_andF :
+ public predicate_facade< pred_andF<Pred1T,Pred2T> >
+ {
+ public:
+
+ // Boost.ResultOf support
+ typedef bool result_type;
+
+ // Constructor
+ pred_andF( Pred1T Pred1, Pred2T Pred2 ) :
+ m_Pred1(Pred1), m_Pred2(Pred2) {}
+
+ // Operation
+ template<typename CharT>
+ bool operator()( CharT Ch ) const
+ {
+ return m_Pred1(Ch) && m_Pred2(Ch);
+ }
+
+ private:
+ Pred1T m_Pred1;
+ Pred2T m_Pred2;
+ };
+
+ // class_or composition predicate
+ template<typename Pred1T, typename Pred2T>
+ struct pred_orF :
+ public predicate_facade< pred_orF<Pred1T,Pred2T> >
+ {
+ public:
+ // Boost.ResultOf support
+ typedef bool result_type;
+
+ // Constructor
+ pred_orF( Pred1T Pred1, Pred2T Pred2 ) :
+ m_Pred1(Pred1), m_Pred2(Pred2) {}
+
+ // Operation
+ template<typename CharT>
+ bool operator()( CharT Ch ) const
+ {
+ return m_Pred1(Ch) || m_Pred2(Ch);
+ }
+
+ private:
+ Pred1T m_Pred1;
+ Pred2T m_Pred2;
+ };
+
+ // class_not composition predicate
+ template< typename PredT >
+ struct pred_notF :
+ public predicate_facade< pred_notF<PredT> >
+ {
+ public:
+ // Boost.ResultOf support
+ typedef bool result_type;
+
+ // Constructor
+ pred_notF( PredT Pred ) : m_Pred(Pred) {}
+
+ // Operation
+ template<typename CharT>
+ bool operator()( CharT Ch ) const
+ {
+ return !m_Pred(Ch);
+ }
+
+ private:
+ PredT m_Pred;
+ };
+
+ } // namespace detail
+ } // namespace algorithm
+} // namespace boost
+
+
+#endif // BOOST_STRING_CLASSIFICATION_DETAIL_HPP
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