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authorRemko Tronçon <git@el-tramo.be>2010-05-06 17:44:27 (GMT)
committerRemko Tronçon <git@el-tramo.be>2010-05-06 17:44:27 (GMT)
commitd76ada0ab59634e3333f9eb5a92d0e850f60d7bf (patch)
tree5eaae441173fad2ec19ba67d6589f28ecd740991 /3rdParty/Boost/src/boost/iterator
parent6f49e5abee37d37b351d68c01374232eccdac458 (diff)
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Updated Boost to 1.43.0.
Diffstat (limited to '3rdParty/Boost/src/boost/iterator')
-rw-r--r--3rdParty/Boost/src/boost/iterator/iterator_concepts.hpp284
1 files changed, 284 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/iterator/iterator_concepts.hpp b/3rdParty/Boost/src/boost/iterator/iterator_concepts.hpp
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+// (C) Copyright Jeremy Siek 2002.
+// 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)
+
+#ifndef BOOST_ITERATOR_CONCEPTS_HPP
+#define BOOST_ITERATOR_CONCEPTS_HPP
+
+#include <boost/concept_check.hpp>
+#include <boost/iterator/iterator_categories.hpp>
+
+// Use boost::detail::iterator_traits to work around some MSVC/Dinkumware problems.
+#include <boost/detail/iterator.hpp>
+
+#include <boost/type_traits/is_same.hpp>
+#include <boost/type_traits/is_integral.hpp>
+
+#include <boost/mpl/bool.hpp>
+#include <boost/mpl/if.hpp>
+#include <boost/mpl/and.hpp>
+#include <boost/mpl/or.hpp>
+
+#include <boost/static_assert.hpp>
+
+// Use boost/limits to work around missing limits headers on some compilers
+#include <boost/limits.hpp>
+#include <boost/config.hpp>
+
+#include <algorithm>
+
+#include <boost/concept/detail/concept_def.hpp>
+
+namespace boost_concepts
+{
+ // Used a different namespace here (instead of "boost") so that the
+ // concept descriptions do not take for granted the names in
+ // namespace boost.
+
+ //===========================================================================
+ // Iterator Access Concepts
+
+ BOOST_concept(ReadableIterator,(Iterator))
+ : boost::Assignable<Iterator>
+ , boost::CopyConstructible<Iterator>
+
+ {
+ typedef BOOST_DEDUCED_TYPENAME boost::detail::iterator_traits<Iterator>::value_type value_type;
+ typedef BOOST_DEDUCED_TYPENAME boost::detail::iterator_traits<Iterator>::reference reference;
+
+ BOOST_CONCEPT_USAGE(ReadableIterator)
+ {
+
+ value_type v = *i;
+ boost::ignore_unused_variable_warning(v);
+ }
+ private:
+ Iterator i;
+ };
+
+ template <
+ typename Iterator
+ , typename ValueType = BOOST_DEDUCED_TYPENAME boost::detail::iterator_traits<Iterator>::value_type
+ >
+ struct WritableIterator
+ : boost::CopyConstructible<Iterator>
+ {
+ BOOST_CONCEPT_USAGE(WritableIterator)
+ {
+ *i = v;
+ }
+ private:
+ ValueType v;
+ Iterator i;
+ };
+
+ template <
+ typename Iterator
+ , typename ValueType = BOOST_DEDUCED_TYPENAME boost::detail::iterator_traits<Iterator>::value_type
+ >
+ struct WritableIteratorConcept : WritableIterator<Iterator,ValueType> {};
+
+ BOOST_concept(SwappableIterator,(Iterator))
+ {
+ BOOST_CONCEPT_USAGE(SwappableIterator)
+ {
+ std::iter_swap(i1, i2);
+ }
+ private:
+ Iterator i1;
+ Iterator i2;
+ };
+
+ BOOST_concept(LvalueIterator,(Iterator))
+ {
+ typedef typename boost::detail::iterator_traits<Iterator>::value_type value_type;
+
+ BOOST_CONCEPT_USAGE(LvalueIterator)
+ {
+ value_type& r = const_cast<value_type&>(*i);
+ boost::ignore_unused_variable_warning(r);
+ }
+ private:
+ Iterator i;
+ };
+
+
+ //===========================================================================
+ // Iterator Traversal Concepts
+
+ BOOST_concept(IncrementableIterator,(Iterator))
+ : boost::Assignable<Iterator>
+ , boost::CopyConstructible<Iterator>
+ {
+ typedef typename boost::iterator_traversal<Iterator>::type traversal_category;
+
+ BOOST_CONCEPT_ASSERT((
+ boost::Convertible<
+ traversal_category
+ , boost::incrementable_traversal_tag
+ >));
+
+ BOOST_CONCEPT_USAGE(IncrementableIterator)
+ {
+ ++i;
+ (void)i++;
+ }
+ private:
+ Iterator i;
+ };
+
+ BOOST_concept(SinglePassIterator,(Iterator))
+ : IncrementableIterator<Iterator>
+ , boost::EqualityComparable<Iterator>
+
+ {
+ BOOST_CONCEPT_ASSERT((
+ boost::Convertible<
+ BOOST_DEDUCED_TYPENAME SinglePassIterator::traversal_category
+ , boost::single_pass_traversal_tag
+ > ));
+ };
+
+ BOOST_concept(ForwardTraversal,(Iterator))
+ : SinglePassIterator<Iterator>
+ , boost::DefaultConstructible<Iterator>
+ {
+ typedef typename boost::detail::iterator_traits<Iterator>::difference_type difference_type;
+
+ BOOST_MPL_ASSERT((boost::is_integral<difference_type>));
+ BOOST_MPL_ASSERT_RELATION(std::numeric_limits<difference_type>::is_signed, ==, true);
+
+ BOOST_CONCEPT_ASSERT((
+ boost::Convertible<
+ BOOST_DEDUCED_TYPENAME ForwardTraversal::traversal_category
+ , boost::forward_traversal_tag
+ > ));
+ };
+
+ BOOST_concept(BidirectionalTraversal,(Iterator))
+ : ForwardTraversal<Iterator>
+ {
+ BOOST_CONCEPT_ASSERT((
+ boost::Convertible<
+ BOOST_DEDUCED_TYPENAME BidirectionalTraversal::traversal_category
+ , boost::bidirectional_traversal_tag
+ > ));
+
+ BOOST_CONCEPT_USAGE(BidirectionalTraversal)
+ {
+ --i;
+ (void)i--;
+ }
+ private:
+ Iterator i;
+ };
+
+ BOOST_concept(RandomAccessTraversal,(Iterator))
+ : BidirectionalTraversal<Iterator>
+ {
+ BOOST_CONCEPT_ASSERT((
+ boost::Convertible<
+ BOOST_DEDUCED_TYPENAME RandomAccessTraversal::traversal_category
+ , boost::random_access_traversal_tag
+ > ));
+
+ BOOST_CONCEPT_USAGE(RandomAccessTraversal)
+ {
+ i += n;
+ i = i + n;
+ i = n + i;
+ i -= n;
+ i = i - n;
+ n = i - j;
+ }
+
+ private:
+ typename BidirectionalTraversal<Iterator>::difference_type n;
+ Iterator i, j;
+ };
+
+ //===========================================================================
+ // Iterator Interoperability
+
+ namespace detail
+ {
+ template <typename Iterator1, typename Iterator2>
+ void interop_single_pass_constraints(Iterator1 const& i1, Iterator2 const& i2)
+ {
+ bool b;
+ b = i1 == i2;
+ b = i1 != i2;
+
+ b = i2 == i1;
+ b = i2 != i1;
+ boost::ignore_unused_variable_warning(b);
+ }
+
+ template <typename Iterator1, typename Iterator2>
+ void interop_rand_access_constraints(
+ Iterator1 const& i1, Iterator2 const& i2,
+ boost::random_access_traversal_tag, boost::random_access_traversal_tag)
+ {
+ bool b;
+ typename boost::detail::iterator_traits<Iterator2>::difference_type n;
+ b = i1 < i2;
+ b = i1 <= i2;
+ b = i1 > i2;
+ b = i1 >= i2;
+ n = i1 - i2;
+
+ b = i2 < i1;
+ b = i2 <= i1;
+ b = i2 > i1;
+ b = i2 >= i1;
+ n = i2 - i1;
+ boost::ignore_unused_variable_warning(b);
+ boost::ignore_unused_variable_warning(n);
+ }
+
+ template <typename Iterator1, typename Iterator2>
+ void interop_rand_access_constraints(
+ Iterator1 const&, Iterator2 const&,
+ boost::single_pass_traversal_tag, boost::single_pass_traversal_tag)
+ { }
+
+ } // namespace detail
+
+ BOOST_concept(InteroperableIterator,(Iterator)(ConstIterator))
+ {
+ private:
+ typedef typename boost::detail::pure_traversal_tag<
+ typename boost::iterator_traversal<
+ Iterator
+ >::type
+ >::type traversal_category;
+
+ typedef typename boost::detail::pure_traversal_tag<
+ typename boost::iterator_traversal<
+ ConstIterator
+ >::type
+ >::type const_traversal_category;
+
+ public:
+ BOOST_CONCEPT_ASSERT((SinglePassIterator<Iterator>));
+ BOOST_CONCEPT_ASSERT((SinglePassIterator<ConstIterator>));
+
+ BOOST_CONCEPT_USAGE(InteroperableIterator)
+ {
+ detail::interop_single_pass_constraints(i, ci);
+ detail::interop_rand_access_constraints(i, ci, traversal_category(), const_traversal_category());
+
+ ci = i;
+ }
+
+ private:
+ Iterator i;
+ ConstIterator ci;
+ };
+
+} // namespace boost_concepts
+
+#include <boost/concept/detail/concept_undef.hpp>
+
+#endif // BOOST_ITERATOR_CONCEPTS_HPP