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60 Commits

Author SHA1 Message Date
597229b10b *** empty log message ***
[SVN r11537]
2001-11-02 20:12:01 +00:00
2e74e298c8 towards a fix
[SVN r11536]
2001-11-02 17:19:18 +00:00
79c6d11694 changed named parameters, still need to add suppose for no template part. spec.
[SVN r11416]
2001-10-21 16:37:25 +00:00
d5443d7fe2 removed less() function from policies
policies now operate on whole adaptors rather than Base types


[SVN r11377]
2001-10-12 21:58:50 +00:00
41be2127df This commit was manufactured by cvs2svn to create branch
'iterator_adaptor_update'.

[SVN r11341]
2001-10-04 21:02:13 +00:00
3fd1c4bc5d Changed projection_iterator to not rely on the default reference,
working around a limitation of detail::iterator_traits


[SVN r11340]
2001-10-04 21:02:12 +00:00
2d6f48d5ab Applied indirect_iterator patch from George A. Heintzelman <georgeh@aya.yale.edu>
Changed name of "bind" to "select" to avoid problems with MSVC.


[SVN r11337]
2001-10-04 19:36:28 +00:00
d1c7594344 Added borland bug fix
[SVN r11290]
2001-09-27 00:26:01 +00:00
ac327f51e9 commit of split-config, including any changes required to existing libraries (mainly regex).
[SVN r11138]
2001-09-18 11:13:39 +00:00
4e18b11263 metrowerks fix for decrement()
[SVN r10997]
2001-09-03 15:38:05 +00:00
81e3df2b36 changed _MSC_VER to BOOST_MSVC
[SVN r10705]
2001-07-25 19:38:41 +00:00
ac05307515 added "Traversal" to the names
[SVN r10297]
2001-06-08 17:05:37 +00:00
552a1e6785 replaced by iterator_categories.htm
[SVN r10296]
2001-06-08 16:58:44 +00:00
134b8b51aa updated
[SVN r10295]
2001-06-08 15:37:16 +00:00
efecfd17b9 updated to match working group paper
[SVN r10294]
2001-06-08 15:36:30 +00:00
799158841e this is the original
[SVN r10293]
2001-06-08 15:17:14 +00:00
582ebfd054 updated to match changes in the headers
[SVN r10260]
2001-06-03 21:07:46 +00:00
42e4db1539 updated to match my paper to the committee
[SVN r10259]
2001-06-03 21:06:49 +00:00
d7023154a3 Fix broken hyperlinks
[SVN r9980]
2001-04-25 13:22:53 +00:00
9582b2223c Change all eGroups references to YahooGroups
[SVN r9979]
2001-04-25 00:24:50 +00:00
d7908fb81f added public before the typedef for "type" in non_bidirectional_category
[SVN r9711]
2001-04-05 02:32:00 +00:00
e48cdcb94f blah
[SVN r9588]
2001-03-19 19:35:51 +00:00
0846ad5fd0 added links to iterator_traits.htm
[SVN r9587]
2001-03-19 18:05:17 +00:00
84663ff2e2 added more doc
[SVN r9586]
2001-03-19 18:01:41 +00:00
6de1934420 new file
[SVN r9585]
2001-03-19 17:41:49 +00:00
a110b9fd27 new files
[SVN r9578]
2001-03-18 19:06:33 +00:00
eb06c122d1 rigged new iterator_traits for backward compatibility
[SVN r9577]
2001-03-18 18:37:49 +00:00
cbbe851adb VC++ workaround: the forward_iterator real ref check is not working
[SVN r9499]
2001-03-08 20:01:35 +00:00
f6cc2e520f parameters following a named parameter list must get their types from
the named parameter list and not use the default


[SVN r9496]
2001-03-08 19:03:44 +00:00
4e29b5aa29 removed some #if 0's
[SVN r9491]
2001-03-08 17:01:25 +00:00
d924f56ad8 added support for optional named template parameters
[SVN r9487]
2001-03-08 16:33:14 +00:00
f27fd095f7 new file, part of the iterator adaptors library
[SVN r9350]
2001-02-27 05:49:55 +00:00
d22edf735a put policies type in private
[SVN r9290]
2001-02-20 16:00:21 +00:00
af8dd117d5 Rolled back reverse_iterator_pair_generator again, as it doesn't save typing on a conforming compiler
[SVN r9279]
2001-02-19 20:41:22 +00:00
149d07cda0 Fix missing comma bug
[SVN r9274]
2001-02-19 16:22:03 +00:00
e9d9bdbb10 Reinstated reverse_iterator_pair_generator
[SVN r9264]
2001-02-18 22:21:14 +00:00
8d8f828da5 changes to order of indirect_iterator_generator param list
[SVN r9246]
2001-02-17 22:03:06 +00:00
fc15f5f710 added Category parameter to the indirect iterator
[SVN r9240]
2001-02-17 19:59:54 +00:00
ef66d28b19 added "explicit" to iterator_adaptor constructor
[SVN r9234]
2001-02-17 01:44:41 +00:00
0c8d74863f Add an implicit conversion operator to operator_arrow_proxy as CW and BCC workarounds.
[SVN r9233]
2001-02-16 23:06:57 +00:00
1c73f1f2ae made filter_iterator_generator::policies_type public
[SVN r9230]
2001-02-16 21:27:26 +00:00
ee20a630dd Remove implication that a type generator may only generate a single type
[SVN r9221]
2001-02-16 05:24:45 +00:00
c2472221ef made the typedef policies_type public in iterator_adaptor
and private in filter_iterator_generator


[SVN r9205]
2001-02-15 06:07:00 +00:00
bf45977491 removed unnecessary typedefs from counting_iterator_traits
[SVN r9203]
2001-02-15 05:51:40 +00:00
1988994bd3 added dummy_constructor to dummyT so it can be used in concept archetypes
[SVN r9181]
2001-02-13 02:03:59 +00:00
5482763a93 added missing const qualifier
[SVN r9148]
2001-02-12 04:45:02 +00:00
2c2a3eab21 Use new iterator_adaptor interface, Fixes for Borland.
[SVN r9131]
2001-02-11 19:36:43 +00:00
dca20fae75 Use BOOST_STATIC_CONSTANT
[SVN r9129]
2001-02-11 19:33:47 +00:00
e3aaf2cc91 Switch to use of BOOST_STATIC_CONSTANT where possible
[SVN r9127]
2001-02-11 19:29:28 +00:00
ea4c7c7dd9 Removed workaround for older MIPSpro compiler. The workaround was
preventing the proper functionality of the underlying iterator being
carried forward into the iterator adaptor.

Also added is_bidirectional enum to avoid EDG compiler error.


[SVN r9123]
2001-02-11 18:57:31 +00:00
fd6ba58d5e Borland fixes up the wazoo. It finally works!
[SVN r9114]
2001-02-11 16:09:22 +00:00
268e70faa1 Reinstate one of John's fixes
[SVN r9113]
2001-02-11 16:06:12 +00:00
170b44763d Clean up after John Maddocks's (finally effective!) Borland fixes
[SVN r9111]
2001-02-11 14:07:11 +00:00
b2701f9f78 Borland compiler fixes
[SVN r9110]
2001-02-11 12:50:06 +00:00
ad4c5ab089 Use new iterator_adaptor<> interface
[SVN r9106]
2001-02-11 03:10:01 +00:00
c585adde71 Removed traits argument from iterator_adaptor<> and switched to explicit trait
specification for maximum ease-of-use.

Added comments to detail::iterator_defaults<>

Began using detail::iterator_defaults<> unconditionally for code clarity

Changed uses of `Iterator' to `Base' where non-iterators can be used.


[SVN r9104]
2001-02-11 03:05:50 +00:00
c5f24d0d72 A baby step that worked.
[SVN r9095]
2001-02-10 23:14:42 +00:00
dbb99b1cf3 Rolled in supposed Borland fixes from John Maddock, but not seeing any improvement yet
[SVN r9093]
2001-02-10 20:23:35 +00:00
be44a4714b Rolled in supposed Borland fixes from John Maddock, but not seeing any
improvement yet

Changed argument order to indirect_ generator, for convenience in the case of
input iterators (where Reference must be a value type).

Removed derivation of filter_iterator_policies from default_iterator_policies,
since the iterator category is likely to be reduced (we don't want to allow
illegal operations like decrement).

Support for a simpler filter iterator interface.


[SVN r9092]
2001-02-10 20:22:05 +00:00
e9f24023d4 completely removed constructor that was #if 0'd
[SVN r9076]
2001-02-10 17:57:51 +00:00
11 changed files with 850 additions and 1611 deletions

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@ -1,282 +0,0 @@
#ifndef BOOST_ITERATOR_CONCEPTS_HPP
#define BOOST_ITERATOR_CONCEPTS_HPP
#include <boost/concept_check.hpp>
#include <boost/iterator_traits.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.
//===========================================================================
template <typename Iterator>
class ReadableIteratorConcept {
public:
typedef typename boost::iterator_traits<Iterator>::value_type value_type;
typedef typename boost::iterator_traits<Iterator>::reference reference;
typedef typename boost::iterator_traits<Iterator>::return_category
return_category;
void constraints() {
boost::function_requires< boost::SGIAssignableConcept<Iterator> >();
boost::function_requires< boost::EqualityComparableConcept<Iterator> >();
boost::function_requires< boost::DefaultConstructibleConcept<Iterator> >();
boost::function_requires<
boost::ConvertibleConcept<return_category, boost::readable_iterator_tag> >();
reference r = *i; // or perhaps read(x)
value_type v(r);
boost::ignore_unused_variable_warning(v);
}
Iterator i;
};
template <typename Iterator, typename ValueType>
class WritableIteratorConcept {
public:
typedef typename boost::iterator_traits<Iterator>::return_category
return_category;
void constraints() {
boost::function_requires< boost::SGIAssignableConcept<Iterator> >();
boost::function_requires< boost::EqualityComparableConcept<Iterator> >();
boost::function_requires< boost::DefaultConstructibleConcept<Iterator> >();
boost::function_requires<
boost::ConvertibleConcept<return_category, boost::writable_iterator_tag> >();
*i = v; // an alternative could be something like write(x, v)
}
ValueType v;
Iterator i;
};
template <typename Iterator>
class ConstantLvalueIteratorConcept {
public:
typedef typename boost::iterator_traits<Iterator>::value_type value_type;
typedef typename boost::iterator_traits<Iterator>::reference reference;
typedef typename boost::iterator_traits<Iterator>::return_category
return_category;
void constraints() {
boost::function_requires< ReadableIteratorConcept<Iterator> >();
boost::function_requires<
boost::ConvertibleConcept<return_category,
boost::constant_lvalue_iterator_tag> >();
typedef typename boost::require_same<reference, const value_type&>::type req;
reference v = *i;
boost::ignore_unused_variable_warning(v);
}
Iterator i;
};
template <typename Iterator>
class MutableLvalueIteratorConcept {
public:
typedef typename boost::iterator_traits<Iterator>::value_type value_type;
typedef typename boost::iterator_traits<Iterator>::reference reference;
typedef typename boost::iterator_traits<Iterator>::return_category
return_category;
void constraints() {
boost::function_requires< ReadableIteratorConcept<Iterator> >();
boost::function_requires< WritableIteratorConcept<Iterator, value_type> >();
boost::function_requires<
boost::ConvertibleConcept<return_category,
boost::constant_lvalue_iterator_tag> >();
typedef typename boost::require_same<reference, value_type&>::type req;
reference v = *i;
boost::ignore_unused_variable_warning(v);
}
Iterator i;
};
//===========================================================================
template <typename Iterator>
class SinglePassIteratorConcept {
public:
typedef typename boost::iterator_traits<Iterator>::motion_category
motion_category;
typedef typename boost::iterator_traits<Iterator>::difference_type
difference_type;
void constraints() {
boost::function_requires< boost::SGIAssignableConcept<Iterator> >();
boost::function_requires< boost::EqualityComparableConcept<Iterator> >();
boost::function_requires< boost::DefaultConstructibleConcept<Iterator> >();
boost::function_requires<
boost::ConvertibleConcept<motion_category,
boost::single_pass_iterator_tag> >();
// difference_type must be a signed integral type
++i;
(void)i++;
}
Iterator i;
};
template <typename Iterator>
class ForwardIteratorConcept {
public:
typedef typename boost::iterator_traits<Iterator>::motion_category
motion_category;
void constraints() {
boost::function_requires< SinglePassIteratorConcept<Iterator> >();
boost::function_requires<
boost::ConvertibleConcept<motion_category,
boost::forward_iterator_tag> >();
}
};
template <typename Iterator>
class BidirectionalIteratorConcept {
public:
typedef typename boost::iterator_traits<Iterator>::motion_category
motion_category;
void constraints() {
boost::function_requires< ForwardIteratorConcept<Iterator> >();
boost::function_requires<
boost::ConvertibleConcept<motion_category,
boost::bidirectional_iterator_tag> >();
--i;
(void)i--;
}
Iterator i;
};
template <typename Iterator>
class RandomAccessIteratorConcept {
public:
typedef typename boost::iterator_traits<Iterator>::motion_category
motion_category;
typedef typename boost::iterator_traits<Iterator>::difference_type
difference_type;
void constraints() {
boost::function_requires< BidirectionalIteratorConcept<Iterator> >();
boost::function_requires<
boost::ConvertibleConcept<motion_category,
boost::random_access_iterator_tag> >();
i += n;
i = i + n;
i = n + i;
i -= n;
i = i - n;
n = i - j;
}
difference_type n;
Iterator i, j;
};
//===========================================================================
template <typename Iterator>
class ReadableRandomAccessIteratorConcept {
public:
typedef typename boost::iterator_traits<Iterator>::value_type value_type;
typedef typename boost::iterator_traits<Iterator>::reference reference;
typedef typename boost::iterator_traits<Iterator>::difference_type
difference_type;
void constraints() {
boost::function_requires< RandomAccessIteratorConcept<Iterator> >();
boost::function_requires< ReadableIteratorConcept<Iterator> >();
reference r = i[n];
value_type v(r);
boost::ignore_unused_variable_warning(v);
}
difference_type n;
Iterator i;
};
template <typename Iterator>
class WritableRandomAccessIteratorConcept {
public:
typedef typename boost::iterator_traits<Iterator>::value_type value_type;
typedef typename boost::iterator_traits<Iterator>::difference_type
difference_type;
void constraints() {
boost::function_requires< RandomAccessIteratorConcept<Iterator> >();
boost::function_requires< WritableIteratorConcept<Iterator, value_type> >();
i[n] = v;
boost::ignore_unused_variable_warning(v);
}
difference_type n;
value_type v;
Iterator i;
};
template <typename Iterator>
class ConstantLvalueRandomAccessIteratorConcept {
public:
typedef typename boost::iterator_traits<Iterator>::value_type value_type;
typedef typename boost::iterator_traits<Iterator>::reference reference;
typedef typename boost::iterator_traits<Iterator>::difference_type
difference_type;
void constraints() {
boost::function_requires< RandomAccessIteratorConcept<Iterator> >();
boost::function_requires< ReadableIteratorConcept<Iterator> >();
typedef typename boost::require_same<reference, const value_type&>::type req;
reference v = i[n];
boost::ignore_unused_variable_warning(v);
}
difference_type n;
value_type v;
Iterator i;
};
template <typename Iterator>
class MutableLvalueRandomAccessIteratorConcept {
public:
typedef typename boost::iterator_traits<Iterator>::value_type value_type;
typedef typename boost::iterator_traits<Iterator>::reference reference;
typedef typename boost::iterator_traits<Iterator>::difference_type
difference_type;
void constraints() {
boost::function_requires< RandomAccessIteratorConcept<Iterator> >();
boost::function_requires< WritableIteratorConcept<Iterator, value_type> >();
boost::function_requires< ReadableIteratorConcept<Iterator> >();
typedef typename boost::require_same<reference, value_type&>::type req;
reference v = i[n];
boost::ignore_unused_variable_warning(v);
}
difference_type n;
value_type v;
Iterator i;
};
} // namespace boost_concepts
#endif // BOOST_ITERATOR_CONCEPTS_HPP

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@ -1,60 +0,0 @@
#ifndef BOOST_ITERATOR_TRAITS_HPP
#define BOOST_ITERATOR_TRAITS_HPP
#include <boost/config.hpp>
#include <boost/type_traits.hpp>
namespace boost {
template <typename Iterator>
struct iterator_traits {
typedef typename Iterator::value_type value_type;
typedef typename Iterator::reference reference;
typedef typename Iterator::pointer pointer;
typedef typename Iterator::difference_type difference_type;
typedef typename Iterator::return_category return_category;
typedef typename Iterator::motion_category motion_category;
};
// Motion Categories
struct single_pass_iterator_tag { };
struct forward_iterator_tag : public single_pass_iterator_tag { };
struct bidirectional_iterator_tag : public forward_iterator_tag { };
struct random_access_iterator_tag : public bidirectional_iterator_tag { };
// Return Type Categories
struct readable_iterator_tag { };
struct writable_iterator_tag { };
struct mutable_lvalue_iterator_tag : virtual public writable_iterator_tag,
virtual public readable_iterator_tag { };
struct constant_lvalue_iterator_tag : public readable_iterator_tag { };
#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
namespace detail {
template <bool IsConst>
struct pointer_return_category {
typedef constant_lvalue_iterator_tag type;
};
template <>
struct pointer_return_category<false> {
typedef mutable_lvalue_iterator_tag type;
};
} // namespace detail
template <typename T>
struct iterator_traits<T*> {
typedef T value_type;
typedef T& reference;
typedef T* pointer;
typedef std::ptrdiff_t difference_type;
typedef typename detail::pointer_return_category<is_const<T>::value>::type
return_category;
typedef random_access_iterator_tag motion_category;
};
#endif
} // namespace boost
#endif // BOOST_ITERATOR_TRAITS_HPP

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@ -1,13 +0,0 @@
#include <boost/iterator_concepts.hpp>
int
main()
{
boost::function_requires<
boost_concepts::MutableLvalueRandomAccessIteratorConcept<int*> >();
boost::function_requires<
boost_concepts::ConstantLvalueRandomAccessIteratorConcept<const int*> >();
return 0;
}

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@ -28,6 +28,14 @@
// Incrementable.
//
// Revision History
// 14 Feb 2001 Removed unnecessary typedefs from counting_iterator_traits
// (Jeremy Siek)
// 11 Feb 2001 Use BOOST_STATIC_CONSTANT (Dave Abrahams)
// 11 Feb 2001 Clean up after John Maddocks's (finally effective!) Borland
// fixes (David Abrahams).
// 10 Feb 2001 Use new iterator_adaptor<> interface (David Abrahams)
// 10 Feb 2001 Rolled in supposed Borland fixes from John Maddock, but not
// seeing any improvement yet (David Abrahams)
// 09 Feb 2001 Factored out is_numeric computation. Borland still
// unhappy :( (David Abrahams)
// 08 Feb 2001 Beginning of a failed attempt to appease Borland
@ -126,15 +134,24 @@ namespace detail {
struct is_numeric {
// For a while, this wasn't true, but we rely on it below. This is a regression assert.
BOOST_STATIC_ASSERT(::boost::is_integral<char>::value);
enum { value =
#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
std::numeric_limits<T>::is_specialized
#elif defined(__BORLANDC__)
::boost::is_integral<T>::value
#else
boost::is_convertible<int,T>::value && boost::is_convertible<T,int>::value
#endif
};
# ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
# if defined(ULLONG_MAX) || defined(ULONG_LONG_MAX)
BOOST_STATIC_CONSTANT(bool,
value = (
std::numeric_limits<T>::is_specialized
| boost::is_same<T,long long>::value
| boost::is_same<T,unsigned long long>::value));
# else
BOOST_STATIC_CONSTANT(bool, value = std::numeric_limits<T>::is_specialized);
# endif
# else
# if !defined(__BORLANDC__)
BOOST_STATIC_CONSTANT(bool, value = (
boost::is_convertible<int,T>::value && boost::is_convertible<T,int>::value));
# else
BOOST_STATIC_CONSTANT(bool, value = ::boost::is_arithmetic<T>::value);
# endif
# endif
};
// Compute the distance over arbitrary numeric and/or iterator types
@ -152,14 +169,11 @@ namespace detail {
template <class Incrementable>
struct counting_iterator_traits {
private:
enum {numeric = detail::is_numeric<Incrementable>::value };
typedef typename detail::counting_iterator_traits_select<(
numeric
)>::template traits<Incrementable> traits;
typedef ::boost::detail::counting_iterator_traits_select<(
::boost::detail::is_numeric<Incrementable>::value
)> binder;
typedef typename binder::template traits<Incrementable> traits;
public:
typedef Incrementable value_type;
typedef const Incrementable& reference;
typedef const value_type* pointer;
typedef typename traits::difference_type difference_type;
typedef typename traits::iterator_category iterator_category;
};
@ -167,14 +181,17 @@ struct counting_iterator_traits {
template <class Incrementable>
struct counting_iterator_policies : public default_iterator_policies
{
const Incrementable& dereference(type<const Incrementable&>, const Incrementable& i) const
{ return i; }
template <class Difference, class Iterator1, class Iterator2>
Difference distance(type<Difference>, const Iterator1& x,
const Iterator2& y) const
template <class IteratorAdaptor>
typename IteratorAdaptor::reference dereference(const IteratorAdaptor& i) const
{ return i.base(); }
template <class Iterator1, class Iterator2>
typename Iterator1::difference_type distance(
const Iterator1& x, const Iterator2& y) const
{
return boost::detail::any_distance<Difference>(x, y);//,(Difference*)());
typedef typename Iterator1::difference_type difference_type;
return boost::detail::any_distance<difference_type>(
x.base(), y.base());
}
};
@ -182,9 +199,16 @@ struct counting_iterator_policies : public default_iterator_policies
template <class Incrementable>
struct counting_iterator_generator
{
typedef counting_iterator_traits<Incrementable> traits;
typedef iterator_adaptor<Incrementable,
counting_iterator_policies<Incrementable>,
counting_iterator_traits<Incrementable> > type;
Incrementable,
const Incrementable&,
const Incrementable*,
typename traits::iterator_category,
typename traits::difference_type
> type;
};
// Manufacture a counting iterator for an arbitrary incrementable type
@ -192,9 +216,8 @@ template <class Incrementable>
inline typename counting_iterator_generator<Incrementable>::type
make_counting_iterator(Incrementable x)
{
return iterator_adaptor<Incrementable,
counting_iterator_policies<Incrementable>,
counting_iterator_traits<Incrementable> >(x);
typedef typename counting_iterator_generator<Incrementable>::type result_t;
return result_t(x);
}

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@ -1,415 +0,0 @@
// (C) Copyright Jeremy Siek and David Abrahams 2000-2001. Permission to copy,
// use, modify, sell and distribute this software is granted provided this
// copyright notice appears in all copies. This software is provided "as is"
// without express or implied warranty, and with no claim as to its suitability
// for any purpose.
//
// Revision History:
// 04 Feb 2001 Support for user-defined iterator categories (David Abrahams)
// 30 Jan 2001 Initial Checkin (David Abrahams)
#ifndef BOOST_HALF_OPEN_RANGE_HPP_
# define BOOST_HALF_OPEN_RANGE_HPP_
# include <boost/counting_iterator.hpp>
# include <functional>
# include <cassert>
# include <boost/operators.hpp>
# include <string>
# include <stdexcept>
# include <iterator>
namespace boost {
namespace detail {
// Template class choose_finish -- allows us to maintain the invariant that
// start() <= finish() on half_open_range specializations that support random
// access.
#ifdef __MWERKS__
template <class T>
const T& choose_finish(const T&, const T& finish, std::input_iterator_tag)
{
return finish;
}
template <class T>
const T& choose_finish(const T&, const T& finish, std::output_iterator_tag)
{
return finish;
}
template <class T>
const T& choose_finish(const T& start, const T& finish, std::random_access_iterator_tag)
{
return finish < start ? start : finish;
}
#else
template <bool is_random_access> struct finish_chooser;
template <>
struct finish_chooser<false>
{
template <class T>
struct rebind
{
static T choose(const T&, const T& finish)
{ return finish; }
};
};
template <>
struct finish_chooser<true>
{
template <class T>
struct rebind
{
static T choose(const T& start, const T& finish)
{ return finish < start ? start : finish; }
};
};
template <class Category, class Incrementable>
struct choose_finish
{
static const Incrementable choose(const Incrementable& start, const Incrementable& finish)
{
return finish_chooser<(
boost::is_convertible<Category,std::random_access_iterator_tag>::value
)>::template rebind<Incrementable>::choose(start, finish);
}
};
#endif
}
template <class Incrementable>
struct half_open_range
{
typedef iterator_adaptor<Incrementable,
counting_iterator_policies<Incrementable>,
counting_iterator_traits<Incrementable> > iterator;
private: // utility type definitions
typedef std::less<Incrementable> less_value;
typedef typename boost::detail::iterator_traits<iterator>::iterator_category category;
public:
typedef iterator const_iterator;
typedef typename counting_iterator_traits<Incrementable>::value_type value_type;
typedef typename counting_iterator_traits<Incrementable>::difference_type difference_type;
typedef typename counting_iterator_traits<Incrementable>::reference reference;
typedef typename counting_iterator_traits<Incrementable>::reference const_reference;
typedef typename counting_iterator_traits<Incrementable>::pointer pointer;
typedef typename counting_iterator_traits<Incrementable>::pointer const_pointer;
// It would be nice to select an unsigned type, but this is appropriate
// since the library makes an attempt to select a difference_type which can
// hold the difference between any two iterators.
typedef typename counting_iterator_traits<Incrementable>::difference_type size_type;
half_open_range(Incrementable start, Incrementable finish)
: m_start(start),
m_finish(
#ifndef __MWERKS__
detail::choose_finish<category,Incrementable>::choose(start, finish)
#else
detail::choose_finish(start, finish, category())
#endif
)
{}
// Implicit conversion from std::pair<Incrementable,Incrementable> allows us
// to accept the results of std::equal_range(), for example.
half_open_range(const std::pair<Incrementable,Incrementable>& x)
: m_start(x.first),
m_finish(
#ifndef __MWERKS__
detail::choose_finish<category,Incrementable>::choose(x.first, x.second)
#else
detail::choose_finish(x.first, x.second, category())
#endif
)
{}
half_open_range& operator=(const std::pair<Incrementable,Incrementable>& x)
{
m_start = x.first;
m_finish =
#ifndef __MWERKS__
detail::choose_finish<category,Incrementable>::choose(x.first, x.second);
#else
detail::choose_finish(x.first, x.second, category();
#endif
}
iterator begin() const { return iterator(m_start); }
iterator end() const { return iterator(m_finish); }
Incrementable front() const { assert(!this->empty()); return m_start; }
Incrementable back() const { assert(!this->empty()); return boost::prior(m_finish); }
Incrementable start() const { return m_start; }
Incrementable finish() const { return m_finish; }
size_type size() const { return boost::detail::distance(begin(), end()); }
bool empty() const
{
return m_finish == m_start;
}
void swap(half_open_range& x) {
std::swap(m_start, x.m_start);
std::swap(m_finish, x.m_finish);
}
public: // functions requiring random access elements
// REQUIRES: x is reachable from this->front()
bool contains(const value_type& x) const
{
BOOST_STATIC_ASSERT((boost::is_same<category, std::random_access_iterator_tag>::value));
return !less_value()(x, m_start) && less_value()(x, m_finish);
}
bool contains(const half_open_range& x) const
{
BOOST_STATIC_ASSERT((boost::is_same<category, std::random_access_iterator_tag>::value));
return x.empty() || !less_value()(x.m_start, m_start) && !less_value()(m_finish, x.m_finish);
}
bool intersects(const half_open_range& x) const
{
BOOST_STATIC_ASSERT((boost::is_same<category, std::random_access_iterator_tag>::value));
return less_value()(
less_value()(this->m_start, x.m_start) ? x.m_start : this->m_start,
less_value()(this->m_finish, x.m_finish) ? this->m_finish : x.m_finish);
}
half_open_range& operator&=(const half_open_range& x)
{
BOOST_STATIC_ASSERT((boost::is_same<category, std::random_access_iterator_tag>::value));
if (less_value()(this->m_start, x.m_start))
this->m_start = x.m_start;
if (less_value()(x.m_finish, this->m_finish))
this->m_finish = x.m_finish;
if (less_value()(this->m_finish, this->m_start))
this->m_start = this->m_finish;
return *this;
}
half_open_range& operator|=(const half_open_range& x)
{
BOOST_STATIC_ASSERT((boost::is_same<category, std::random_access_iterator_tag>::value));
if (!x.empty())
{
if (this->empty())
{
*this = x;
}
else
{
if (less_value()(x.m_start, this->m_start))
this->m_start = x.m_start;
if (less_value()(this->m_finish, x.m_finish))
this->m_finish = x.m_finish;
}
}
return *this;
}
// REQUIRES: x is reachable from this->front()
const_iterator find(const value_type& x) const
{
BOOST_STATIC_ASSERT((boost::is_same<category, std::random_access_iterator_tag>::value));
return const_iterator(this->contains(x) ? x : m_finish);
}
// REQUIRES: index >= 0 && index < size()
value_type operator[](size_type index) const
{
assert(index >= 0 && index < size());
return m_start + index;
}
value_type at(size_type index) const
{
if (index < 0 || index >= size())
throw std::out_of_range(std::string("half_open_range"));
return m_start + index;
}
private: // data members
Incrementable m_start, m_finish;
};
template <class Incrementable>
half_open_range<Incrementable> operator|(
half_open_range<Incrementable> x,
const half_open_range<Incrementable>& y)
{
return x |= y;
}
template <class Incrementable>
half_open_range<Incrementable> operator&(
half_open_range<Incrementable> x,
const half_open_range<Incrementable>& y)
{
return x &= y;
}
template <class Incrementable>
inline bool operator==(
const half_open_range<Incrementable>& x,
const half_open_range<Incrementable>& y)
{
const bool y_empty = y.empty();
return x.empty() ? y_empty : !y_empty && x.start() == y.start() && x.finish() == y.finish();
}
template <class Incrementable>
inline bool operator!=(
const half_open_range<Incrementable>& x,
const half_open_range<Incrementable>& y)
{
return !(x == y);
}
template <class Incrementable>
inline half_open_range<Incrementable>
make_half_open_range(Incrementable first, Incrementable last)
{
return half_open_range<Incrementable>(first, last);
}
template <class Incrementable>
bool intersects(
const half_open_range<Incrementable>& x,
const half_open_range<Incrementable>& y)
{
return x.intersects(y);
}
template <class Incrementable>
bool contains(
const half_open_range<Incrementable>& x,
const half_open_range<Incrementable>& y)
{
return x.contains(y);
}
} // namespace boost
#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
namespace std {
template <class Incrementable> struct less<boost::half_open_range<Incrementable> >
: binary_function<
boost::half_open_range<Incrementable>,
boost::half_open_range<Incrementable>,bool>
{
bool operator()(
const boost::half_open_range<Incrementable>& x,
const boost::half_open_range<Incrementable>& y) const
{
less<Incrementable> cmp;
return !y.empty() && (
cmp(x.start(), y.start())
|| !cmp(y.start(), x.start())
&& cmp(x.finish(), y.finish()));
}
};
template <class Incrementable> struct less_equal<boost::half_open_range<Incrementable> >
: binary_function<
boost::half_open_range<Incrementable>,
boost::half_open_range<Incrementable>,bool>
{
bool operator()(
const boost::half_open_range<Incrementable>& x,
const boost::half_open_range<Incrementable>& y) const
{
typedef boost::half_open_range<Incrementable> range;
less<range> cmp;
return !cmp(y,x);
}
};
template <class Incrementable> struct greater<boost::half_open_range<Incrementable> >
: binary_function<
boost::half_open_range<Incrementable>,
boost::half_open_range<Incrementable>,bool>
{
bool operator()(
const boost::half_open_range<Incrementable>& x,
const boost::half_open_range<Incrementable>& y) const
{
typedef boost::half_open_range<Incrementable> range;
less<range> cmp;
return cmp(y,x);
}
};
template <class Incrementable> struct greater_equal<boost::half_open_range<Incrementable> >
: binary_function<
boost::half_open_range<Incrementable>,
boost::half_open_range<Incrementable>,bool>
{
bool operator()(
const boost::half_open_range<Incrementable>& x,
const boost::half_open_range<Incrementable>& y) const
{
typedef boost::half_open_range<Incrementable> range;
less<range> cmp;
return !cmp(x,y);
}
};
} // namespace std
#else
namespace boost {
// Can't partially specialize std::less et al, so we must provide the operators
template <class Incrementable>
bool operator<(const half_open_range<Incrementable>& x,
const half_open_range<Incrementable>& y)
{
return !y.empty() && (
x.empty() || std::less<Incrementable>()(x.start(), y.start())
|| !std::less<Incrementable>()(y.start(), x.start())
&& std::less<Incrementable>()(x.finish(), y.finish()));
}
template <class Incrementable>
bool operator>(const half_open_range<Incrementable>& x,
const half_open_range<Incrementable>& y)
{
return y < x;
}
template <class Incrementable>
bool operator<=(const half_open_range<Incrementable>& x,
const half_open_range<Incrementable>& y)
{
return !(y < x);
}
template <class Incrementable>
bool operator>=(const half_open_range<Incrementable>& x,
const half_open_range<Incrementable>& y)
{
return !(x < y);
}
} // namespace boost
#endif
#endif // BOOST_HALF_OPEN_RANGE_HPP_

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// interator.hpp workarounds for non-conforming standard libraries ---------//
// (C) Copyright Boost.org 2000. Permission to copy, use, modify, sell and
// distribute this software is granted provided this copyright notice appears
// in all copies. This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
// See http://www.boost.org for most recent version including documentation.
// Revision History
// 12 Jan 01 added <cstddef> for std::ptrdiff_t (Jens Maurer)
// 28 Jun 00 Workarounds to deal with known MSVC bugs (David Abrahams)
// 26 Jun 00 Initial version (Jeremy Siek)
#ifndef BOOST_ITERATOR_HPP
#define BOOST_ITERATOR_HPP
#include <iterator>
#include <cstddef> // std::ptrdiff_t
#include <boost/config.hpp>
namespace boost
{
# ifdef BOOST_NO_STD_ITERATOR
template <class Category, class T,
class Distance = std::ptrdiff_t,
class Pointer = T*, class Reference = T&>
struct iterator
{
typedef T value_type;
typedef Distance difference_type;
typedef Pointer pointer;
typedef Reference reference;
typedef Category iterator_category;
};
# else
// declare iterator_base in namespace detail to work around MSVC bugs which
// prevent derivation from an identically-named class in a different namespace.
namespace detail {
template <class Category, class T, class Distance, class Pointer, class Reference>
# if !defined(BOOST_MSVC_STD_ITERATOR)
struct iterator_base : std::iterator<Category, T, Distance, Pointer, Reference> {};
# else
struct iterator_base : std::iterator<Category, T, Distance>
{
typedef Reference reference;
typedef Pointer pointer;
typedef Distance difference_type;
};
# endif
}
template <class Category, class T, class Distance = std::ptrdiff_t,
class Pointer = T*, class Reference = T&>
struct iterator : detail::iterator_base<Category, T, Distance, Pointer, Reference> {};
# endif
} // namespace boost
#endif // BOOST_ITERATOR_HPP

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// (C) Copyright Jeremy Siek 1999. Permission to copy, use, modify,
// sell and distribute this software is granted provided this
// copyright notice appears in all copies. This software is provided
// "as is" without express or implied warranty, and with no claim as
// to its suitability for any purpose.
#ifndef BOOST_INT_ITERATOR_H
#define BOOST_INT_ITERATOR_H
#include <boost/iterator.hpp>
#if !defined BOOST_MSVC
#include <boost/operators.hpp>
#endif
#include <iostream>
//using namespace std;
#ifndef BOOST_NO_OPERATORS_IN_NAMESPACE
namespace boost {
#endif
// this should use random_access_iterator_helper but I've had
// VC++ portablility problems with that. -JGS
template <class IntT>
class int_iterator
{
typedef int_iterator self;
public:
typedef std::random_access_iterator_tag iterator_category;
typedef IntT value_type;
typedef IntT& reference;
typedef IntT* pointer;
typedef std::ptrdiff_t difference_type;
inline int_iterator() : _i(0) { }
inline int_iterator(IntT i) : _i(i) { }
inline int_iterator(const self& x) : _i(x._i) { }
inline self& operator=(const self& x) { _i = x._i; return *this; }
inline IntT operator*() { return _i; }
inline IntT operator[](IntT n) { return _i + n; }
inline self& operator++() { ++_i; return *this; }
inline self operator++(int) { self t = *this; ++_i; return t; }
inline self& operator+=(IntT n) { _i += n; return *this; }
inline self operator+(IntT n) { self t = *this; t += n; return t; }
inline self& operator--() { --_i; return *this; }
inline self operator--(int) { self t = *this; --_i; return t; }
inline self& operator-=(IntT n) { _i -= n; return *this; }
inline IntT operator-(const self& x) const { return _i - x._i; }
inline bool operator==(const self& x) const { return _i == x._i; }
// vc++ had a problem finding != in random_access_iterator_helper
// need to look into this... for now implementing everything here -JGS
inline bool operator!=(const self& x) const { return _i != x._i; }
inline bool operator<(const self& x) const { return _i < x._i; }
inline bool operator<=(const self& x) const { return _i <= x._i; }
inline bool operator>(const self& x) const { return _i > x._i; }
inline bool operator>=(const self& x) const { return _i >= x._i; }
protected:
IntT _i;
};
template <class IntT>
inline int_iterator<IntT>
operator+(IntT n, int_iterator<IntT> t) { t += n; return t; }
#ifndef BOOST_NO_OPERATORS_IN_NAMESPACE
} /* namespace boost */
#endif
#ifdef BOOST_NO_OPERATORS_IN_NAMESPACE
namespace boost {
using ::int_iterator;
}
#endif
#endif /* BOOST_INT_ITERATOR_H */

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// (C) Copyright David Abrahams and Jeremy Siek 2000-2001. Permission to copy,
// use, modify, sell and distribute this software is granted provided this
// copyright notice appears in all copies. This software is provided "as is"
// without express or implied warranty, and with no claim as to its suitability
// for any purpose.
//
// Revision History:
// 04 Jan 2001 Factored counting_iterator stuff into
// boost/counting_iterator.hpp (David Abrahams)
#ifndef BOOST_INTEGER_RANGE_HPP_
#define BOOST_INTEGER_RANGE_HPP_
#include <boost/config.hpp>
#include <boost/counting_iterator.hpp>
namespace boost {
//=============================================================================
// Counting Iterator and Integer Range Class
template <class IntegerType>
struct integer_range {
typedef typename counting_iterator_generator<IntegerType>::type iterator;
typedef iterator const_iterator;
typedef IntegerType value_type;
typedef std::ptrdiff_t difference_type;
typedef IntegerType reference;
typedef IntegerType const_reference;
typedef const IntegerType* pointer;
typedef const IntegerType* const_pointer;
typedef IntegerType size_type;
integer_range(IntegerType start, IntegerType finish)
: m_start(start), m_finish(finish) { }
iterator begin() const { return iterator(m_start); }
iterator end() const { return iterator(m_finish); }
size_type size() const { return m_finish - m_start; }
bool empty() const { return m_finish == m_start; }
void swap(integer_range& x) {
std::swap(m_start, x.m_start);
std::swap(m_finish, x.m_finish);
}
protected:
IntegerType m_start, m_finish;
};
template <class IntegerType>
inline integer_range<IntegerType>
make_integer_range(IntegerType first, IntegerType last)
{
return integer_range<IntegerType>(first, last);
}
} // namespace boost
#endif // BOOST_INTEGER_RANGE_HPP_

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#include <boost/iterator_adaptors.hpp>

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#ifndef BOOST_ITERATOR_TESTS_HPP
# define BOOST_ITERATOR_TESTS_HPP
// This is meant to be the beginnings of a comprehensive, generic
// test suite for STL concepts such as iterators and containers.
//
// Revision History:
// 08 Feb 2001 Fixed bidirectional iterator test so that
// --i is no longer a precondition.
// (Jeremy Siek)
// 04 Feb 2001 Added lvalue test, corrected preconditions
// (David Abrahams)
# include <iterator>
# include <assert.h>
# include <boost/type_traits.hpp>
# include <boost/static_assert.hpp>
namespace boost {
// use this for the value type
struct dummyT {
dummyT() { }
dummyT(int x) : m_x(x) { }
int foo() const { return m_x; }
bool operator==(const dummyT& d) const { return m_x == d.m_x; }
int m_x;
};
// Tests whether type Iterator satisfies the requirements for a
// TrivialIterator.
// Preconditions: i != j, *i == val
template <class Iterator, class T>
void trivial_iterator_test(const Iterator i, const Iterator j, T val)
{
Iterator k;
assert(i == i);
assert(j == j);
assert(i != j);
#ifdef BOOST_NO_STD_ITERATOR_TRAITS
T v = *i;
#else
typename std::iterator_traits<Iterator>::value_type v = *i;
#endif
assert(v == val);
#if 0
// hmm, this will give a warning for transform_iterator... perhaps
// this should be separated out into a stand-alone test since there
// are several situations where it can't be used, like for
// integer_range::iterator.
assert(v == i->foo());
#endif
k = i;
assert(k == k);
assert(k == i);
assert(k != j);
assert(*k == val);
}
// Preconditions: i != j
template <class Iterator, class T>
void mutable_trivial_iterator_test(const Iterator i, const Iterator j, T val)
{
*i = val;
trivial_iterator_test(i, j, val);
}
// Preconditions: *i == v1, *++i == v2
template <class Iterator, class T>
void input_iterator_test(Iterator i, T v1, T v2)
{
Iterator i1 = i, i2 = i;
assert(i == i1++);
assert(i != ++i2);
trivial_iterator_test(i, i1, v1);
trivial_iterator_test(i, i2, v1);
++i;
assert(i == i1);
assert(i == i2);
++i1;
++i2;
trivial_iterator_test(i, i1, v2);
trivial_iterator_test(i, i2, v2);
}
// how to test output iterator?
template <bool is_pointer> struct lvalue_test
{
template <class Iterator> static void check(Iterator)
{
# ifndef BOOST_NO_STD_ITERATOR_TRAITS
typedef typename std::iterator_traits<Iterator>::reference reference;
typedef typename std::iterator_traits<Iterator>::value_type value_type;
# else
typedef typename Iterator::reference reference;
typedef typename Iterator::value_type value_type;
# endif
BOOST_STATIC_ASSERT(boost::is_reference<reference>::value);
BOOST_STATIC_ASSERT((boost::is_same<reference,value_type&>::value
|| boost::is_same<reference,const value_type&>::value
));
}
};
# ifdef BOOST_NO_STD_ITERATOR_TRAITS
template <> struct lvalue_test<true> {
template <class T> static void check(T) {}
};
#endif
template <class Iterator, class T>
void forward_iterator_test(Iterator i, T v1, T v2)
{
input_iterator_test(i, v1, v2);
// borland doesn't allow non-type template parameters
# if !defined(__BORLANDC__) || (__BORLANDC__ > 0x551)
lvalue_test<(boost::is_pointer<Iterator>::value)>::check(i);
#endif
}
// Preconditions: *i == v1, *++i == v2
template <class Iterator, class T>
void bidirectional_iterator_test(Iterator i, T v1, T v2)
{
forward_iterator_test(i, v1, v2);
++i;
Iterator i1 = i, i2 = i;
assert(i == i1--);
assert(i != --i2);
trivial_iterator_test(i, i1, v2);
trivial_iterator_test(i, i2, v2);
--i;
assert(i == i1);
assert(i == i2);
++i1;
++i2;
trivial_iterator_test(i, i1, v1);
trivial_iterator_test(i, i2, v1);
}
// mutable_bidirectional_iterator_test
// Preconditions: [i,i+N) is a valid range
template <class Iterator, class TrueVals>
void random_access_iterator_test(Iterator i, int N, TrueVals vals)
{
bidirectional_iterator_test(i, vals[0], vals[1]);
const Iterator j = i;
int c;
for (c = 0; c < N-1; ++c) {
assert(i == j + c);
assert(*i == vals[c]);
assert(*i == j[c]);
assert(*i == *(j + c));
assert(*i == *(c + j));
++i;
assert(i > j);
assert(i >= j);
assert(j <= i);
assert(j < i);
}
Iterator k = j + N - 1;
for (c = 0; c < N-1; ++c) {
assert(i == k - c);
assert(*i == vals[N - 1 - c]);
assert(*i == j[N - 1 - c]);
Iterator q = k - c;
assert(*i == *q);
assert(i > j);
assert(i >= j);
assert(j <= i);
assert(j < i);
--i;
}
}
// Precondition: i != j
template <class Iterator, class ConstIterator>
void const_nonconst_iterator_test(Iterator i, ConstIterator j)
{
assert(i != j);
assert(j != i);
ConstIterator k(i);
assert(k == i);
assert(i == k);
k = i;
assert(k == i);
assert(i == k);
}
} // namespace boost
#endif // BOOST_ITERATOR_TESTS_HPP