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231 lines
7.8 KiB
231 lines
7.8 KiB
/* /////////////////////////////////////////////////////////////////////////
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* File: stlsoft/obsolete/proxy_sequence.hpp
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*
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* Purpose: proxy_sequence template class.
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*
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* Created: 10th September 2003
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* Updated: 10th August 2009
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*
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* Home: http://stlsoft.org/
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*
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* Copyright (c) 2003-2009, Matthew Wilson and Synesis Software
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
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* any contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* ////////////////////////////////////////////////////////////////////// */
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/// \file stlsoft/obsolete/proxy_sequence.hpp
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///
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/// proxy_sequence template class.
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#ifndef STLSOFT_INCL_STLSOFT_OBSOLETE_HPP_PROXY_SEQUENCE
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#define STLSOFT_INCL_STLSOFT_OBSOLETE_HPP_PROXY_SEQUENCE
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#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
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# define STLSOFT_VER_STLSOFT_OBSOLETE_HPP_PROXY_SEQUENCE_MAJOR 3
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# define STLSOFT_VER_STLSOFT_OBSOLETE_HPP_PROXY_SEQUENCE_MINOR 0
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# define STLSOFT_VER_STLSOFT_OBSOLETE_HPP_PROXY_SEQUENCE_REVISION 3
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# define STLSOFT_VER_STLSOFT_OBSOLETE_HPP_PROXY_SEQUENCE_EDIT 34
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#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
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/* /////////////////////////////////////////////////////////////////////////
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* Compatibility
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*/
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/*
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[Incompatibilies-start]
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STLSOFT_COMPILER_IS_WATCOM:
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[Incompatibilies-end]
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*/
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/* /////////////////////////////////////////////////////////////////////////
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* Includes
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*/
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#ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
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# include <stlsoft/stlsoft.h>
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#endif /* !STLSOFT_INCL_STLSOFT_H_STLSOFT */
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#ifndef STLSOFT_INCL_STLSOFT_OBSOLETE_HPP_PROXY_ITERATOR
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# include <stlsoft/obsolete/proxy_iterator.hpp>
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#endif /* !STLSOFT_INCL_STLSOFT_OBSOLETE_HPP_PROXY_ITERATOR */
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#ifndef STLSOFT_INCL_STLSOFT_COLLECTIONS_UTIL_HPP_COLLECTIONS
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# include <stlsoft/collections/util/collections.hpp>
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#endif /* !STLSOFT_INCL_STLSOFT_COLLECTIONS_UTIL_HPP_COLLECTIONS */
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/* /////////////////////////////////////////////////////////////////////////
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* Namespace
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*/
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#ifndef _STLSOFT_NO_NAMESPACE
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namespace stlsoft
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{
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#endif /* _STLSOFT_NO_NAMESPACE */
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/* /////////////////////////////////////////////////////////////////////////
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* Classes
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*/
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/** \brief Enables a non-STL sequence to provide an STL interface
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*
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* \ingroup group__library__collections
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*
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* \param E The element type. This type is the element in the underlying sequence
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* \param V The value type. This is the type to which the element type is translated
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* \param T The traits_type. This type provides a static method \c make_value(), which
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* converts the element type to the value type
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*
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* \deprecated This is maintained for backwards compatibility with the
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* recls/COM library. New users should instead use
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* stlsoft::transform_iterator.
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*/
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template< ss_typename_param_k E
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, ss_typename_param_k V
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, ss_typename_param_k T
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>
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class proxy_sequence
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: public stl_collection_tag
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{
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private:
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typedef stlsoft_ns_qual_std(random_access_iterator_tag) tag_type;
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public:
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typedef E element_type;
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typedef V value_type;
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typedef T traits_type;
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typedef proxy_sequence<E, V, T> class_type;
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typedef proxy_iterator<E, V, T, tag_type> iterator;
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typedef proxy_iterator<E, const V, T, tag_type> const_iterator;
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typedef ss_size_t size_type;
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public:
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/// Constructs a default proxy_sequence
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proxy_sequence()
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: m_begin(0)
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, m_end(0)
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{}
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#if !defined(STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT) || \
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defined(STLSOFT_CF_MEMBER_TEMPLATE_CTOR_OVERLOAD_DISCRIMINATED)
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/// Constructs a proxy_sequence from a given range.
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proxy_sequence(element_type* first, element_type* last)
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: m_begin(first)
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, m_end(last)
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{}
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#endif /* !STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT || STLSOFT_CF_MEMBER_TEMPLATE_CTOR_OVERLOAD_DISCRIMINATED */
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#if defined(STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT)
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/// Constructs a proxy_sequence from a given range.
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template <ss_typename_param_k P>
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proxy_sequence(P* first, P* last)
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: m_begin(first)
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, m_end(last)
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{}
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#endif /* STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT */
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#if !defined(STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT) || \
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defined(STLSOFT_CF_MEMBER_TEMPLATE_CTOR_OVERLOAD_DISCRIMINATED)
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/// Constructs a proxy_sequence from a given range.
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proxy_sequence(element_type *first, size_type n)
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: m_begin(first)
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, m_end(&first[n])
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{}
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#endif /* !STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT || STLSOFT_CF_MEMBER_TEMPLATE_CTOR_OVERLOAD_DISCRIMINATED */
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#if defined(STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT)
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/// Constructs a proxy_sequence from a given range.
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template <ss_typename_param_k P>
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proxy_sequence(P *first, size_type n)
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: m_begin(first)
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, m_end(&first[n])
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{}
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#endif /* STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT */
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/// \name Iteration
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/// @{
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public:
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/// Begins the iteration
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///
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/// \return An iterator representing the start of the sequence
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iterator begin()
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{
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return iterator(m_begin, m_end);
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}
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/// Ends the iteration
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///
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/// \return An iterator representing the end of the sequence
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iterator end()
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{
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return iterator();
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}
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/// Begins the iteration
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///
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/// \return An iterator representing the start of the sequence
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const_iterator begin() const
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{
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return const_iterator(m_begin, m_end);
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}
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/// Ends the iteration
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///
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/// \return An iterator representing the end of the sequence
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const_iterator end() const
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{
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return const_iterator();
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}
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/// @}
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/// \name Attributes
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/// @{
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public:
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/// Indicates whether the sequence is empty
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bool empty() const
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{
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return m_begin == m_end;
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}
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/// Indicates whether the sequence is empty
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size_type size() 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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// Members
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private:
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element_type *m_begin;
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element_type *m_end;
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};
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/* ////////////////////////////////////////////////////////////////////// */
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#ifndef _STLSOFT_NO_NAMESPACE
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} /* namespace stlsoft */
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#endif /* _STLSOFT_NO_NAMESPACE */
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/* ////////////////////////////////////////////////////////////////////// */
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#endif /* !STLSOFT_INCL_STLSOFT_OBSOLETE_HPP_PROXY_SEQUENCE */
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/* ///////////////////////////// end of file //////////////////////////// */
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