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@ -12,16 +12,6 @@
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//
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// Revision History:
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// 01 Feb 2002 Jeremy Siek
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// Added more comments in default_iterator_policies.
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// 08 Jan 2001 David Abrahams
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// Moved concept checks into a separate class, which makes MSVC
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// better at dealing with them.
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// 07 Jan 2001 David Abrahams
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// Choose proxy for operator->() only if the reference type is not a reference.
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// Updated workarounds for __MWERKS__ == 0x2406
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// 20 Dec 2001 David Abrahams
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// Adjusted is_convertible workarounds for __MWERKS__ == 0x2406
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// 03 Nov 2001 Jeremy Siek
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// Changed the named template parameter interface and internal.
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// 04 Oct 2001 Jeremy Siek
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@ -129,7 +119,7 @@
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// I was having some problems with VC6. I couldn't tell whether our hack for
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// stock GCC was causing problems so I needed an easy way to turn it on and
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// off. Now we can test the hack with various compilers and still have an
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// off. Now we can test the hack with various compilers and still have an
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// "out" if it doesn't work. -dwa 7/31/00
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# if __GNUC__ == 2 && __GNUC_MINOR__ <= 96 && !defined(__STL_USE_NAMESPACES)
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# define BOOST_RELOPS_AMBIGUITY_BUG 1
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@ -147,7 +137,7 @@ namespace boost {
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template <class Policies, class Adapted, class Traits>
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struct TrivialIteratorPoliciesConcept
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{
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typedef typename Traits::reference reference;
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typedef typename Traits::reference Reference;
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void constraints() {
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function_requires< AssignableConcept<Policies> >();
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function_requires< DefaultConstructibleConcept<Policies> >();
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@ -157,7 +147,7 @@ struct TrivialIteratorPoliciesConcept
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const_constraints();
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}
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void const_constraints() const {
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reference r = p.dereference(x);
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Reference r = p.dereference(x);
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b = p.equal(x, x);
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ignore_unused_variable_warning(r);
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}
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@ -173,7 +163,7 @@ struct ForwardIteratorPoliciesConcept
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{
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typedef typename Traits::iterator_category iterator_category;
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void constraints() {
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function_requires<
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function_requires<
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TrivialIteratorPoliciesConcept<Policies, Adapted, Traits>
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>();
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@ -191,7 +181,7 @@ struct BidirectionalIteratorPoliciesConcept
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{
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typedef typename Traits::iterator_category iterator_category;
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void constraints() {
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function_requires<
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function_requires<
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ForwardIteratorPoliciesConcept<Policies, Adapted, Traits>
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>();
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@ -209,7 +199,7 @@ struct RandomAccessIteratorPoliciesConcept
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typedef typename Traits::difference_type DifferenceType;
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typedef typename Traits::iterator_category iterator_category;
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void constraints() {
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function_requires<
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function_requires<
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BidirectionalIteratorPoliciesConcept<Policies, Adapted, Traits>
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>();
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@ -233,15 +223,9 @@ struct RandomAccessIteratorPoliciesConcept
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// class if you want to customize particular policies.
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struct default_iterator_policies
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{
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// Some of the member functions were defined static, but Borland
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// got confused and thought they were non-const. Also, Sun C++
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// does not like static function templates.
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//
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// The reason some members were defined static is because there is
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// not state (data members) needed by those members of the
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// default_iterator_policies class. If your policies class member
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// functions need to access state stored in the policies object,
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// then the member functions should not be static (they can't be).
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// Some of these members were defined static, but Borland got confused
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// and thought they were non-const. Also, Sun C++ does not like static
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// function templates.
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template <class Base>
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void initialize(Base&)
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@ -273,7 +257,7 @@ struct default_iterator_policies
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{ return x.base() == y.base(); }
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};
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// putting the comparisons in a base class avoids the g++
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// putting the comparisons in a base class avoids the g++
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// ambiguous overload bug due to the relops operators
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#ifdef BOOST_RELOPS_AMBIGUITY_BUG
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@ -281,7 +265,7 @@ template <class Derived, class Base>
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struct iterator_comparisons : Base { };
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template <class D1, class D2, class Base1, class Base2>
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inline bool operator==(const iterator_comparisons<D1,Base1>& xb,
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inline bool operator==(const iterator_comparisons<D1,Base1>& xb,
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const iterator_comparisons<D2,Base2>& yb)
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{
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const D1& x = static_cast<const D1&>(xb);
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@ -290,7 +274,7 @@ inline bool operator==(const iterator_comparisons<D1,Base1>& xb,
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}
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template <class D1, class D2, class Base1, class Base2>
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inline bool operator!=(const iterator_comparisons<D1,Base1>& xb,
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inline bool operator!=(const iterator_comparisons<D1,Base1>& xb,
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const iterator_comparisons<D2,Base2>& yb)
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{
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const D1& x = static_cast<const D1&>(xb);
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@ -299,7 +283,7 @@ inline bool operator!=(const iterator_comparisons<D1,Base1>& xb,
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}
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template <class D1, class D2, class Base1, class Base2>
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inline bool operator<(const iterator_comparisons<D1,Base1>& xb,
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inline bool operator<(const iterator_comparisons<D1,Base1>& xb,
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const iterator_comparisons<D2,Base2>& yb)
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{
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const D1& x = static_cast<const D1&>(xb);
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@ -308,16 +292,16 @@ inline bool operator<(const iterator_comparisons<D1,Base1>& xb,
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}
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template <class D1, class D2, class Base1, class Base2>
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inline bool operator>(const iterator_comparisons<D1,Base1>& xb,
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inline bool operator>(const iterator_comparisons<D1,Base1>& xb,
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const iterator_comparisons<D2,Base2>& yb)
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{
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{
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const D1& x = static_cast<const D1&>(xb);
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const D2& y = static_cast<const D2&>(yb);
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return x.policies().distance(y, x) > 0;
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}
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template <class D1, class D2, class Base1, class Base2>
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inline bool operator>=(const iterator_comparisons<D1,Base1>& xb,
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inline bool operator>=(const iterator_comparisons<D1,Base1>& xb,
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const iterator_comparisons<D2,Base2>& yb)
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{
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const D1& x = static_cast<const D1&>(xb);
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@ -326,7 +310,7 @@ inline bool operator>=(const iterator_comparisons<D1,Base1>& xb,
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}
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template <class D1, class D2, class Base1, class Base2>
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inline bool operator<=(const iterator_comparisons<D1,Base1>& xb,
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inline bool operator<=(const iterator_comparisons<D1,Base1>& xb,
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const iterator_comparisons<D2,Base2>& yb)
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{
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const D1& x = static_cast<const D1&>(xb);
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@ -366,14 +350,17 @@ namespace detail {
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return &(*i);
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}
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template <class Value, class Reference, class Pointer>
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template <class Category, class Value, class Pointer>
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struct operator_arrow_result_generator
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{
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typedef operator_arrow_proxy<Value> proxy;
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// Borland chokes unless it's an actual enum (!)
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enum { use_proxy = !boost::is_reference<Reference>::value };
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typedef typename boost::detail::if_true<(use_proxy)>::template
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enum { is_input_iter
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= (boost::is_convertible<Category*,std::input_iterator_tag*>::value
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& !boost::is_convertible<Category*,std::forward_iterator_tag*>::value)
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};
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typedef typename boost::detail::if_true<(is_input_iter)>::template
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then<
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proxy,
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// else
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@ -382,7 +369,7 @@ namespace detail {
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};
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# if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) || defined(BOOST_NO_STD_ITERATOR_TRAITS)
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# ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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// Select default pointer and reference types for adapted non-pointer
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// iterators based on the iterator and the value_type. Poor man's partial
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@ -435,14 +422,14 @@ namespace detail {
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typename iterator_traits<Iterator>::pointer,
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Value*
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>::type pointer;
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typedef typename if_true<(
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::boost::is_same<Value,typename iterator_traits<Iterator>::value_type>::value
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)>::template then<
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typename iterator_traits<Iterator>::reference,
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Value&
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>::type reference;
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};
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# endif
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@ -491,8 +478,8 @@ namespace detail {
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template <class Base, class Traits>
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struct select {
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typedef typename Traits::value_type Value;
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typedef typename boost::detail::iterator_defaults<Base,Value>::pointer
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type;
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typedef typename boost::detail::iterator_defaults<Base,Value>::pointer
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type;
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};
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};
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template <> struct default_generator<default_pointer>
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@ -502,8 +489,8 @@ namespace detail {
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template <class Base, class Traits>
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struct select {
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typedef typename Traits::value_type Value;
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typedef typename boost::detail::iterator_defaults<Base,Value>::reference
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type;
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typedef typename boost::detail::iterator_defaults<Base,Value>::reference
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type;
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};
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};
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template <> struct default_generator<default_reference>
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@ -551,7 +538,7 @@ template <class Difference> struct difference_type_is
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{
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typedef detail::cons_type<detail::difference_type_tag, Difference> type;
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};
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template <class IteratorCategory> struct iterator_category_is
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template <class IteratorCategory> struct iterator_category_is
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: public named_template_param_base
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{
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typedef detail::cons_type<detail::iterator_category_tag, IteratorCategory> type;
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@ -565,7 +552,7 @@ namespace detail {
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// An associative list is a list of key-value pairs. The list is
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// built out of cons_type's and is terminated by end_of_list.
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# if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) || defined(__BORLANDC__)
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#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) || defined(__BORLANDC__)
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template <class AssocList, class Key>
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struct find_param;
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@ -575,7 +562,7 @@ namespace detail {
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typedef typename Head::first_type Key1;
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typedef typename Head::second_type Value;
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typedef typename if_true<(is_same<Key1, Key2>::value)>::template
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then<Value,
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then<Value,
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typename find_param<typename AssocList::second_type, Key2>::type
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>::type type;
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};
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@ -594,7 +581,7 @@ namespace detail {
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typedef typename find_param_helper1<AssocList>::type select1;
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typedef typename select1::template select<AssocList, Key>::type type;
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};
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# else
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#else
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template <class AssocList, class Key> struct find_param;
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template <class Key>
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@ -611,7 +598,7 @@ namespace detail {
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struct find_param<detail::cons_type< detail::cons_type<Key1, Value>, Rest>, Key2> {
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typedef typename find_param<Rest, Key2>::type type;
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};
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# endif
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#endif
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struct make_named_arg {
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template <class Key, class Value>
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@ -625,29 +612,29 @@ namespace detail {
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template <class Value>
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struct is_named_parameter
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{
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enum { value = is_convertible< typename add_reference< Value >::type, add_reference< named_template_param_base >::type >::value };
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enum { value = is_convertible<Value, named_template_param_base>::value };
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};
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# if defined(__MWERKS__) && __MWERKS__ <= 0x2406 // workaround for broken is_convertible implementation
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#if defined(__MWERKS__) && __MWERKS__ <= 0x2405 // workaround for broken is_convertible implementation
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template <class T> struct is_named_parameter<value_type_is<T> > { enum { value = true }; };
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template <class T> struct is_named_parameter<reference_is<T> > { enum { value = true }; };
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template <class T> struct is_named_parameter<pointer_is<T> > { enum { value = true }; };
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template <class T> struct is_named_parameter<difference_type_is<T> > { enum { value = true }; };
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template <class T> struct is_named_parameter<iterator_category_is<T> > { enum { value = true }; };
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# endif
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#endif
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template <class Key, class Value>
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struct make_arg {
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# ifdef __BORLANDC__
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#ifdef __BORLANDC__
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// Borland C++ doesn't like the extra indirection of is_named_parameter
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typedef typename
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typedef typename
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if_true<(is_convertible<Value,named_template_param_base>::value)>::
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template then<make_named_arg, make_key_value>::type Make;
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# else
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#else
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enum { is_named = is_named_parameter<Value>::value };
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typedef typename if_true<(is_named)>::template
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then<make_named_arg, make_key_value>::type Make;
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# endif
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#endif
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typedef typename Make::template select<Key, Value>::type type;
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};
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@ -691,7 +678,7 @@ namespace detail {
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class iterator_adaptor_traits_gen
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{
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// Form an associative list out of the template parameters
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// If the argument is a normal parameter (not named) then make_arg
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// If the argument is a normal parameter (not named) then make_arg
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// creates a key-value pair. If the argument is a named parameter,
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// then make_arg extracts the key-value pair defined inside the
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// named parameter.
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@ -716,9 +703,9 @@ namespace detail {
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typedef typename resolve_default<Val, default_value_type, Base, Traits0>::type
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value_type;
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// if getting default value type from iterator_traits, then it won't be const
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typedef typename resolve_default<Diff, default_difference_type, Base,
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typedef typename resolve_default<Diff, default_difference_type, Base,
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Traits0>::type difference_type;
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typedef typename resolve_default<Cat, default_iterator_category, Base,
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typedef typename resolve_default<Cat, default_iterator_category, Base,
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Traits0>::type iterator_category;
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typedef boost::iterator<iterator_category, value_type, difference_type,
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@ -731,47 +718,26 @@ namespace detail {
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pointer;
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typedef typename resolve_default<Ref, default_reference, Base, Traits1>::type
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reference;
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public:
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typedef boost::iterator<iterator_category,
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typename remove_const<value_type>::type,
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typename remove_const<value_type>::type,
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difference_type, pointer, reference> type;
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};
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// This is really a partial concept check for iterators. Should it
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// be moved or done differently?
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template <class Category, class Value, class Difference, class Pointer, class Reference>
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struct validator
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{
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BOOST_STATIC_CONSTANT(
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bool, is_input_or_output_iter
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= (boost::is_convertible<Category*,std::input_iterator_tag*>::value
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| boost::is_convertible<Category*,std::output_iterator_tag*>::value));
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// Iterators should satisfy one of the known categories
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BOOST_STATIC_ASSERT(is_input_or_output_iter);
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// Iterators >= ForwardIterator must produce real references
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// as required by the C++ standard requirements in Table 74.
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BOOST_STATIC_CONSTANT(
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bool, forward_iter_with_real_reference
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= ((!boost::is_convertible<Category*,std::forward_iterator_tag*>::value)
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| boost::is_same<Reference,Value&>::value
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| boost::is_same<Reference,typename add_const<Value>::type&>::value));
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BOOST_STATIC_ASSERT(forward_iter_with_real_reference);
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};
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} // namespace detail
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// This macro definition is only temporary in this file
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# if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
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# if !defined(BOOST_MSVC)
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# define BOOST_ARG_DEPENDENT_TYPENAME typename
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# else
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# define BOOST_ARG_DEPENDENT_TYPENAME
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# endif
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template <class T> struct undefined;
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//============================================================================
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//iterator_adaptor - Adapts a generic piece of data as an iterator. Adaptation
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// is especially easy if the data being adapted is itself an iterator
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@ -800,12 +766,12 @@ namespace detail {
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//
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// Distance - the difference_type of the resulting iterator. If not
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// supplied, iterator_traits<Base>::difference_type is used.
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template <class Base, class Policies,
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class Value = ::boost::detail::default_argument,
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class Reference = ::boost::detail::default_argument,
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class Pointer = ::boost::detail::default_argument,
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class Category = ::boost::detail::default_argument,
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class Distance = ::boost::detail::default_argument
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template <class Base, class Policies,
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class Value = detail::default_argument,
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class Reference = detail::default_argument,
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class Pointer = detail::default_argument,
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class Category = detail::default_argument,
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class Distance = detail::default_argument
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>
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struct iterator_adaptor :
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#ifdef BOOST_RELOPS_AMBIGUITY_BUG
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@ -832,19 +798,32 @@ struct iterator_adaptor :
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typedef Policies policies_type;
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private:
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typedef detail::validator<
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iterator_category,value_type,difference_type,pointer,reference
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> concept_check;
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BOOST_STATIC_CONSTANT(bool, is_input_or_output_iter
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|
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= (boost::is_convertible<iterator_category*,std::input_iterator_tag*>::value
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|| boost::is_convertible<iterator_category*,std::output_iterator_tag*>::value));
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// Iterators should satisfy one of the known categories
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BOOST_STATIC_ASSERT(is_input_or_output_iter);
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#if !defined(BOOST_MSVC)
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// Iterators >= ForwardIterator must produce real references
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|
|
// as required by the C++ standard requirements in Table 74.
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|
|
BOOST_STATIC_CONSTANT(bool, forward_iter_with_real_reference =
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|
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(!boost::is_convertible<iterator_category*,std::forward_iterator_tag*>::value
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|| boost::is_same<reference,value_type&>::value
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|
|| boost::is_same<reference,const value_type&>::value));
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|
|
// This check gives incorrect results in iter_traits_gen_test.cpp
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|
|
BOOST_STATIC_ASSERT(forward_iter_with_real_reference);
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|
|
#endif
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public:
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|
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iterator_adaptor()
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|
{
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}
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iterator_adaptor() { }
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explicit
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iterator_adaptor(const Base& it, const Policies& p = Policies())
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|
|
: m_iter_p(it, p) {
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|
|
policies().initialize(base());
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|
|
policies().initialize(base());
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|
|
}
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|
template <class Iter2, class Value2, class Pointer2, class Reference2>
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@ -855,9 +834,9 @@ struct iterator_adaptor :
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|
|
policies().initialize(base());
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|
|
}
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|
#if defined(BOOST_MSVC) && BOOST_MSVC <= 1300 || defined(__BORLANDC__)
|
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|
|
#if defined(BOOST_MSVC) || defined(__BORLANDC__)
|
|
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|
|
// This is required to prevent a bug in how VC++ generates
|
|
|
|
|
// the assignment operator for compressed_pair
|
|
|
|
|
// the assignment operator for compressed_pairv
|
|
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|
|
iterator_adaptor& operator= (const iterator_adaptor& x) {
|
|
|
|
|
m_iter_p = x.m_iter_p;
|
|
|
|
|
return *this;
|
|
|
|
@ -872,7 +851,7 @@ struct iterator_adaptor :
|
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|
|
# pragma warning( disable : 4284 )
|
|
|
|
|
#endif
|
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|
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|
|
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|
|
typename boost::detail::operator_arrow_result_generator<value_type,reference,pointer>::type
|
|
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|
|
typename boost::detail::operator_arrow_result_generator<iterator_category,value_type,pointer>::type
|
|
|
|
|
operator->() const
|
|
|
|
|
{ return detail::operator_arrow(*this, iterator_category()); }
|
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|
|
@ -882,7 +861,7 @@ struct iterator_adaptor :
|
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|
|
value_type operator[](difference_type n) const
|
|
|
|
|
{ return *(*this + n); }
|
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|
|
self& operator++() {
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|
|
#if !defined(__MWERKS__) || __MWERKS__ >= 0x2405
|
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|
|
|
policies().increment(*this);
|
|
|
|
@ -895,7 +874,7 @@ struct iterator_adaptor :
|
|
|
|
|
}
|
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|
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|
|
self operator++(int) { self tmp(*this); ++*this; return tmp; }
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|
|
self& operator--() {
|
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|
|
#if !defined(__MWERKS__) || __MWERKS__ >= 0x2405
|
|
|
|
|
policies().decrement(*this);
|
|
|
|
@ -904,14 +883,14 @@ struct iterator_adaptor :
|
|
|
|
|
#endif
|
|
|
|
|
return *this;
|
|
|
|
|
}
|
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|
|
self operator--(int) { self tmp(*this); --*this; return tmp; }
|
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|
|
self& operator+=(difference_type n) {
|
|
|
|
|
policies().advance(*this, n);
|
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|
|
|
return *this;
|
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|
|
|
}
|
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|
|
self& operator-=(difference_type n) {
|
|
|
|
|
policies().advance(*this, -n);
|
|
|
|
|
return *this;
|
|
|
|
@ -969,7 +948,7 @@ operator-(
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|
|
template <class Iterator1, class Iterator2, class Policies, class Value1, class Value2,
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|
|
|
|
class Reference1, class Reference2, class Pointer1, class Pointer2,
|
|
|
|
|
class Category, class Distance>
|
|
|
|
|
inline bool
|
|
|
|
|
inline bool
|
|
|
|
|
operator==(
|
|
|
|
|
const iterator_adaptor<Iterator1,Policies,Value1,Reference1,Pointer1,Category,Distance>& x,
|
|
|
|
|
const iterator_adaptor<Iterator2,Policies,Value2,Reference2,Pointer2,Category,Distance>& y)
|
|
|
|
@ -980,7 +959,7 @@ operator==(
|
|
|
|
|
template <class Iterator1, class Iterator2, class Policies, class Value1, class Value2,
|
|
|
|
|
class Reference1, class Reference2, class Pointer1, class Pointer2,
|
|
|
|
|
class Category, class Distance>
|
|
|
|
|
inline bool
|
|
|
|
|
inline bool
|
|
|
|
|
operator<(
|
|
|
|
|
const iterator_adaptor<Iterator1,Policies,Value1,Reference1,Pointer1,Category,Distance>& x,
|
|
|
|
|
const iterator_adaptor<Iterator2,Policies,Value2,Reference2,Pointer2,Category,Distance>& y)
|
|
|
|
@ -991,18 +970,18 @@ operator<(
|
|
|
|
|
template <class Iterator1, class Iterator2, class Policies, class Value1, class Value2,
|
|
|
|
|
class Reference1, class Reference2, class Pointer1, class Pointer2,
|
|
|
|
|
class Category, class Distance>
|
|
|
|
|
inline bool
|
|
|
|
|
inline bool
|
|
|
|
|
operator>(
|
|
|
|
|
const iterator_adaptor<Iterator1,Policies,Value1,Reference1,Pointer1,Category,Distance>& x,
|
|
|
|
|
const iterator_adaptor<Iterator2,Policies,Value2,Reference2,Pointer2,Category,Distance>& y)
|
|
|
|
|
{
|
|
|
|
|
{
|
|
|
|
|
return x.policies().distance(y, x) > 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
template <class Iterator1, class Iterator2, class Policies, class Value1, class Value2,
|
|
|
|
|
class Reference1, class Reference2, class Pointer1, class Pointer2,
|
|
|
|
|
class Category, class Distance>
|
|
|
|
|
inline bool
|
|
|
|
|
inline bool
|
|
|
|
|
operator>=(
|
|
|
|
|
const iterator_adaptor<Iterator1,Policies,Value1,Reference1,Pointer1,Category,Distance>& x,
|
|
|
|
|
const iterator_adaptor<Iterator2,Policies,Value2,Reference2,Pointer2,Category,Distance>& y)
|
|
|
|
@ -1013,7 +992,7 @@ operator>=(
|
|
|
|
|
template <class Iterator1, class Iterator2, class Policies, class Value1, class Value2,
|
|
|
|
|
class Reference1, class Reference2, class Pointer1, class Pointer2,
|
|
|
|
|
class Category, class Distance>
|
|
|
|
|
inline bool
|
|
|
|
|
inline bool
|
|
|
|
|
operator<=(
|
|
|
|
|
const iterator_adaptor<Iterator1,Policies,Value1,Reference1,Pointer1,Category,Distance>& x,
|
|
|
|
|
const iterator_adaptor<Iterator2,Policies,Value2,Reference2,Pointer2,Category,Distance>& y)
|
|
|
|
@ -1024,9 +1003,9 @@ operator<=(
|
|
|
|
|
template <class Iterator1, class Iterator2, class Policies, class Value1, class Value2,
|
|
|
|
|
class Reference1, class Reference2, class Pointer1, class Pointer2,
|
|
|
|
|
class Category, class Distance>
|
|
|
|
|
inline bool
|
|
|
|
|
inline bool
|
|
|
|
|
operator!=(
|
|
|
|
|
const iterator_adaptor<Iterator1,Policies,Value1,Reference1,Pointer1,Category,Distance>& x,
|
|
|
|
|
const iterator_adaptor<Iterator1,Policies,Value1,Reference1,Pointer1,Category,Distance>& x,
|
|
|
|
|
const iterator_adaptor<Iterator2,Policies,Value2,Reference2,Pointer2,Category,Distance>& y)
|
|
|
|
|
{
|
|
|
|
|
return !x.policies().equal(x, y);
|
|
|
|
@ -1044,7 +1023,7 @@ struct transform_iterator_policies : public default_iterator_policies
|
|
|
|
|
{
|
|
|
|
|
transform_iterator_policies() { }
|
|
|
|
|
transform_iterator_policies(const AdaptableUnaryFunction& f) : m_f(f) { }
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
template <class IteratorAdaptor>
|
|
|
|
|
typename IteratorAdaptor::reference
|
|
|
|
|
dereference(const IteratorAdaptor& iter) const
|
|
|
|
@ -1058,7 +1037,7 @@ class transform_iterator_generator
|
|
|
|
|
{
|
|
|
|
|
typedef typename AdaptableUnaryFunction::result_type value_type;
|
|
|
|
|
public:
|
|
|
|
|
typedef iterator_adaptor<Iterator,
|
|
|
|
|
typedef iterator_adaptor<Iterator,
|
|
|
|
|
transform_iterator_policies<AdaptableUnaryFunction>,
|
|
|
|
|
value_type, value_type, value_type*, std::input_iterator_tag>
|
|
|
|
|
type;
|
|
|
|
@ -1097,7 +1076,7 @@ struct indirect_iterator_policies : public default_iterator_policies
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
namespace detail {
|
|
|
|
|
# if !defined(BOOST_MSVC) || BOOST_MSVC > 1300 // strangely instantiated even when unused! Maybe try a recursive template someday ;-)
|
|
|
|
|
# if !defined(BOOST_MSVC) // stragely instantiated even when unused! Maybe try a recursive template someday ;-)
|
|
|
|
|
template <class T>
|
|
|
|
|
struct traits_of_value_type {
|
|
|
|
|
typedef typename boost::detail::iterator_traits<T>::value_type outer_value;
|
|
|
|
@ -1110,12 +1089,12 @@ namespace detail {
|
|
|
|
|
|
|
|
|
|
template <class OuterIterator, // Mutable or Immutable, does not matter
|
|
|
|
|
class Value
|
|
|
|
|
#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
|
|
|
|
|
#if !defined(BOOST_MSVC)
|
|
|
|
|
= BOOST_ARG_DEPENDENT_TYPENAME detail::traits_of_value_type<
|
|
|
|
|
OuterIterator>::value_type
|
|
|
|
|
#endif
|
|
|
|
|
, class Reference
|
|
|
|
|
#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
|
|
|
|
|
, class Reference
|
|
|
|
|
#if !defined(BOOST_MSVC)
|
|
|
|
|
= BOOST_ARG_DEPENDENT_TYPENAME detail::traits_of_value_type<
|
|
|
|
|
OuterIterator>::reference
|
|
|
|
|
#else
|
|
|
|
@ -1123,8 +1102,8 @@ template <class OuterIterator, // Mutable or Immutable, does not matter
|
|
|
|
|
#endif
|
|
|
|
|
, class Category = BOOST_ARG_DEPENDENT_TYPENAME boost::detail::iterator_traits<
|
|
|
|
|
OuterIterator>::iterator_category
|
|
|
|
|
, class Pointer
|
|
|
|
|
#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
|
|
|
|
|
, class Pointer
|
|
|
|
|
#if !defined(BOOST_MSVC)
|
|
|
|
|
= BOOST_ARG_DEPENDENT_TYPENAME detail::traits_of_value_type<
|
|
|
|
|
OuterIterator>::pointer
|
|
|
|
|
#else
|
|
|
|
@ -1139,28 +1118,28 @@ struct indirect_iterator_generator
|
|
|
|
|
|
|
|
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template <class OuterIterator, // Mutable or Immutable, does not matter
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class Value
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#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
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#if !defined(BOOST_MSVC)
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= BOOST_ARG_DEPENDENT_TYPENAME detail::traits_of_value_type<
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OuterIterator>::value_type
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#endif
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, class Reference
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#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
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, class Reference
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#if !defined(BOOST_MSVC)
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= BOOST_ARG_DEPENDENT_TYPENAME detail::traits_of_value_type<
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OuterIterator>::reference
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#else
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= Value &
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#endif
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, class ConstReference = Value const&
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, class ConstReference = const Value&
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, class Category = BOOST_ARG_DEPENDENT_TYPENAME boost::detail::iterator_traits<
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OuterIterator>::iterator_category
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, class Pointer
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#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
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, class Pointer
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#if !defined(BOOST_MSVC)
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= BOOST_ARG_DEPENDENT_TYPENAME detail::traits_of_value_type<
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OuterIterator>::pointer
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#else
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= Value*
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#endif
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, class ConstPointer = Value const*
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, class ConstPointer = const Value*
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>
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struct indirect_iterator_pair_generator
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{
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@ -1170,7 +1149,7 @@ struct indirect_iterator_pair_generator
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Value, ConstReference,Category,ConstPointer>::type const_iterator;
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};
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#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300
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#ifndef BOOST_MSVC
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template <class OuterIterator>
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inline typename indirect_iterator_generator<OuterIterator>::type
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make_indirect_iterator(OuterIterator base)
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@ -1189,29 +1168,29 @@ struct reverse_iterator_policies : public default_iterator_policies
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template <class IteratorAdaptor>
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typename IteratorAdaptor::reference dereference(const IteratorAdaptor& x) const
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{ return *boost::prior(x.base()); }
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template <class BidirectionalIterator>
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void increment(BidirectionalIterator& x) const
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{ --x.base(); }
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template <class BidirectionalIterator>
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void decrement(BidirectionalIterator& x) const
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{ ++x.base(); }
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template <class BidirectionalIterator, class DifferenceType>
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void advance(BidirectionalIterator& x, DifferenceType n) const
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{ x.base() -= n; }
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template <class Iterator1, class Iterator2>
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typename Iterator1::difference_type distance(
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const Iterator1& x, const Iterator2& y) const
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{ return x.base() - y.base(); }
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template <class Iterator1, class Iterator2>
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bool equal(const Iterator1& x, const Iterator2& y) const
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{ return x.base() == y.base(); }
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};
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template <class BidirectionalIterator,
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class Value = BOOST_ARG_DEPENDENT_TYPENAME boost::detail::iterator_traits<BidirectionalIterator>::value_type,
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class Reference = BOOST_ARG_DEPENDENT_TYPENAME boost::detail::iterator_defaults<BidirectionalIterator,Value>::reference,
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@ -1247,7 +1226,7 @@ struct projection_iterator_policies : public default_iterator_policies
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return m_f(*iter.base());
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}
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AdaptableUnaryFunction m_f;
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AdaptableUnaryFunction m_f;
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};
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template <class AdaptableUnaryFunction, class Iterator>
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@ -1276,7 +1255,7 @@ struct projection_iterator_pair_generator {
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template <class AdaptableUnaryFunction, class Iterator>
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inline typename projection_iterator_generator<AdaptableUnaryFunction, Iterator>::type
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make_projection_iterator(
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Iterator iter,
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Iterator iter,
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const AdaptableUnaryFunction& f = AdaptableUnaryFunction())
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{
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typedef typename projection_iterator_generator<AdaptableUnaryFunction, Iterator>::type result_t;
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@ -1286,7 +1265,7 @@ make_projection_iterator(
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template <class AdaptableUnaryFunction, class Iterator>
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inline typename const_projection_iterator_generator<AdaptableUnaryFunction, Iterator>::type
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make_const_projection_iterator(
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Iterator iter,
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Iterator iter,
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const AdaptableUnaryFunction& f = AdaptableUnaryFunction())
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{
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typedef typename const_projection_iterator_generator<AdaptableUnaryFunction, Iterator>::type result_t;
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@ -1302,7 +1281,7 @@ class filter_iterator_policies
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public:
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filter_iterator_policies() { }
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filter_iterator_policies(const Predicate& p, const Iterator& end)
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filter_iterator_policies(const Predicate& p, const Iterator& end)
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: m_predicate(p), m_end(end) { }
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void initialize(Iterator& x) {
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@ -1356,7 +1335,7 @@ namespace detail {
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template <class Iterator>
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struct non_bidirectional_category
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{
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# if !defined(__MWERKS__) || __MWERKS__ > 0x2406
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# if !defined(__MWERKS__) || __MWERKS__ > 0x2405
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typedef typename reduce_to_base_class<
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std::forward_iterator_tag,
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typename iterator_traits<Iterator>::iterator_category
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@ -1382,7 +1361,7 @@ namespace detail {
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};
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}
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template <class Predicate, class Iterator,
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template <class Predicate, class Iterator,
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class Value = BOOST_ARG_DEPENDENT_TYPENAME boost::detail::iterator_traits<Iterator>::value_type,
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class Reference = BOOST_ARG_DEPENDENT_TYPENAME boost::detail::iterator_defaults<Iterator,Value>::reference,
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class Pointer = BOOST_ARG_DEPENDENT_TYPENAME boost::detail::iterator_defaults<Iterator,Value>::pointer,
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@ -1392,7 +1371,7 @@ template <class Predicate, class Iterator,
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class filter_iterator_generator {
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BOOST_STATIC_CONSTANT(bool, is_bidirectional
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= (boost::is_convertible<Category*, std::bidirectional_iterator_tag*>::value));
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|
#if !defined(BOOST_MSVC) || BOOST_MSVC > 1300 // I don't have any idea why this occurs, but it doesn't seem to hurt too badly.
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|
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#ifndef BOOST_MSVC // I don't have any idea why this occurs, but it doesn't seem to hurt too badly.
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BOOST_STATIC_ASSERT(!is_bidirectional);
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#endif
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typedef filter_iterator_policies<Predicate,Iterator> policies_type;
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