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/* /////////////////////////////////////////////////////////////////////////
* File: stlsoft/collections/associative_key_sequence.hpp * * Purpose: Adapts associative containers into a sequence of their values. * * Created: 28th January 2005 * Updated: 10th August 2009 * * Home: http://stlsoft.org/
* * Copyright (c) 2005-2009, Matthew Wilson and Synesis Software * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of * any contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * ////////////////////////////////////////////////////////////////////// */
/** \file stlsoft/collections/associative_key_sequence.hpp
* * \brief [C++ only] Definition of the stlsoft::associative_key_sequence * class template * (\ref group__library__collections "Collections" Library). */
#ifndef STLSOFT_INCL_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_KEY_SEQUENCE
#define STLSOFT_INCL_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_KEY_SEQUENCE
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
# define STLSOFT_VER_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_KEY_SEQUENCE_MAJOR 2
# define STLSOFT_VER_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_KEY_SEQUENCE_MINOR 1
# define STLSOFT_VER_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_KEY_SEQUENCE_REVISION 1
# define STLSOFT_VER_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_KEY_SEQUENCE_EDIT 24
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
/* /////////////////////////////////////////////////////////////////////////
* Compatibility */
/*
[Incompatibilies-start] STLSOFT_COMPILER_IS_WATCOM: [Incompatibilies-end] */
/* /////////////////////////////////////////////////////////////////////////
* Includes */
#ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
# include <stlsoft/stlsoft.h>
#endif /* !STLSOFT_INCL_STLSOFT_H_STLSOFT */
#ifndef STLSOFT_INCL_STLSOFT_ITERATORS_HPP_ASSOCIATIVE_SELECT_ITERATOR
# include <stlsoft/iterators/associative_select_iterator.hpp>
#endif /* !STLSOFT_INCL_STLSOFT_ITERATORS_HPP_ASSOCIATIVE_SELECT_ITERATOR */
#ifndef STLSOFT_INCL_STLSOFT_COLLECTIONS_UTIL_HPP_COLLECTIONS
# include <stlsoft/collections/util/collections.hpp>
#endif /* !STLSOFT_INCL_STLSOFT_COLLECTIONS_UTIL_HPP_COLLECTIONS */
#ifndef STLSOFT_INCL_STLSOFT_UTIL_STD_HPP_ITERATOR_HELPER
# include <stlsoft/util/std/iterator_helper.hpp>
#endif /* !STLSOFT_INCL_STLSOFT_UTIL_STD_HPP_ITERATOR_HELPER */
#ifndef STLSOFT_INCL_STDEXCEPT
# define STLSOFT_INCL_STDEXCEPT
# include <stdexcept>
#endif /* !STLSOFT_INCL_STDEXCEPT */
#ifdef STLSOFT_UNITTEST
# include <map>
#endif /* STLSOFT_UNITTEST */
/* /////////////////////////////////////////////////////////////////////////
* Namespace */
#ifndef _STLSOFT_NO_NAMESPACE
namespace stlsoft { #endif /* _STLSOFT_NO_NAMESPACE */
/* /////////////////////////////////////////////////////////////////////////
* Classes */
/** \brief Adapts an associative container to provide a sequence over the element keys
* * \ingroup group__library__collections */ template <ss_typename_param_k A> class associative_key_sequence : public stl_collection_tag { /// \name Types
/// @{
public: /// The current parameterisation of the type
typedef associative_key_sequence<A> class_type; /// The value type
#if 0
typedef ss_typename_type_k A::mapped_type value_type; #else /* ? 0 */
typedef ss_typename_type_k A::value_type::first_type value_type; #endif /* 0 */
/// The associative container type
typedef A associative_container_type; /// The allocator type
typedef ss_typename_type_k A::allocator_type allocator_type; #if 0
/// The pointer type
///
/// \note This is identical to the const_pointer, since we will not be using
/// this adaptor sequence to alter the contents of the underlying sequence
typedef ss_typename_type_k A::const_pointer pointer; /// The non-mutable (const) pointer type
typedef ss_typename_type_k A::const_pointer const_pointer; #endif /* 0 */
/// The reference type
///
/// \note This is identical to the const_reference, since we will not be using
/// this adaptor sequence to alter the contents of the underlying sequence
typedef ss_typename_type_k A::const_reference reference; /// The non-mutable (const) reference type
typedef ss_typename_type_k A::const_reference const_reference; /// The size type
typedef ss_typename_type_k A::size_type size_type; /// The difference type
typedef ss_typename_type_k A::difference_type difference_type;
/// The iterator type
private: typedef ss_typename_type_k A::iterator A_iterator_type; typedef ss_typename_type_k A::const_iterator A_const_iterator_type; typedef ss_typename_type_k A::value_type A_value_type; typedef ::stlsoft::select_first<A_value_type> select_first_type;
// typedef ::stlsoft::select_first<ss_typename_type_k A::value_type>
public: typedef associative_select_iterator < A_iterator_type , select_first_type > iterator; /// The non-mutating (const) iterator type
typedef associative_select_iterator < A_const_iterator_type , select_first_type > const_iterator;
#if defined(STLSOFT_LF_BIDIRECTIONAL_ITERATOR_SUPPORT)
/// The reverse iterator type
typedef reverse_iterator_base < iterator , value_type , reference , value_type* , difference_type > reverse_iterator;
/// The non-mutating (const) reverse iterator type
typedef const_reverse_iterator_base < const_iterator , value_type const , const_reference , value_type const* , difference_type > const_reverse_iterator; #endif /* STLSOFT_LF_BIDIRECTIONAL_ITERATOR_SUPPORT */
/// @}
/// \name Construction
/// @{
public: ss_explicit_k associative_key_sequence(associative_container_type const& container); /// @}
/// \name Attributes
/// @{
public: /// The number of elements in the container
size_type size() const; /// The maximum number of elements that can be stored in the container
size_type max_size() const; /// Indicates whether the container is empty
ss_bool_t empty() const; /// @}
/// \name Iteration
/// @{
public: /// Begins the iteration
///
/// \return A non-mutable (const) iterator representing the start of the sequence
const_iterator begin() const; /// Ends the iteration
///
/// \return A non-mutable (const) iterator representing the end of the sequence
const_iterator end() const;
#if defined(STLSOFT_LF_BIDIRECTIONAL_ITERATOR_SUPPORT)
/// Begins the reverse iteration
///
/// \return A non-mutable (const) iterator representing the start of the reverse sequence
const_reverse_iterator rbegin() const; /// Ends the reverse iteration
///
/// \return A non-mutable (const) iterator representing the end of the reverse sequence
const_reverse_iterator rend() const; #endif /* STLSOFT_LF_BIDIRECTIONAL_ITERATOR_SUPPORT */
/// @}
/// \name Members
/// @{
private: associative_container_type const &m_container; /// @}
};
/* /////////////////////////////////////////////////////////////////////////
* Implementation */
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
// Construction
template <ss_typename_param_k A> inline associative_key_sequence<A>::associative_key_sequence(ss_typename_type_k associative_key_sequence<A>::associative_container_type const& container) : m_container(container) {}
// Attributes
template <ss_typename_param_k A> inline ss_typename_type_ret_k associative_key_sequence<A>::size_type associative_key_sequence<A>::size() const { return m_container.size(); }
template <ss_typename_param_k A> inline ss_typename_type_ret_k associative_key_sequence<A>::size_type associative_key_sequence<A>::max_size() const { return m_container.max_size(); }
template <ss_typename_param_k A> inline ss_bool_t associative_key_sequence<A>::empty() const { return m_container.empty(); }
// Iteration
template <ss_typename_param_k A> inline ss_typename_type_ret_k associative_key_sequence<A>::const_iterator associative_key_sequence<A>::begin() const { return const_iterator(m_container.begin()); }
template <ss_typename_param_k A> inline ss_typename_type_ret_k associative_key_sequence<A>::const_iterator associative_key_sequence<A>::end() const { return const_iterator(m_container.end()); }
# if defined(STLSOFT_LF_BIDIRECTIONAL_ITERATOR_SUPPORT)
template <ss_typename_param_k A> inline ss_typename_type_ret_k associative_key_sequence<A>::const_reverse_iterator associative_key_sequence<A>::rbegin() const { return const_reverse_iterator(m_container.rbegin()); }
template <ss_typename_param_k A> inline ss_typename_type_ret_k associative_key_sequence<A>::const_reverse_iterator associative_key_sequence<A>::rend() const { return const_reverse_iterator(m_container.rend()); } # endif /* STLSOFT_LF_BIDIRECTIONAL_ITERATOR_SUPPORT */
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
/* ////////////////////////////////////////////////////////////////////// */
#ifndef _STLSOFT_NO_NAMESPACE
} // namespace stlsoft
#endif /* _STLSOFT_NO_NAMESPACE */
/* ////////////////////////////////////////////////////////////////////// */
#endif /* !STLSOFT_INCL_STLSOFT_COLLECTIONS_HPP_ASSOCIATIVE_KEY_SEQUENCE */
/* ///////////////////////////// end of file //////////////////////////// */
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