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Author SHA1 Message Date
6bfb6ff582 Try a new interface
[SVN r9061]
2001-02-09 21:00:31 +00:00
df4b9402bd This commit was manufactured by cvs2svn to create branch
'better_indirect'.

[SVN r9056]
2001-02-09 15:17:18 +00:00
11 changed files with 87 additions and 1391 deletions

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#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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#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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#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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// (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.
//
// See http://www.boost.org for most recent version including documentation.
//
// Supplies:
//
// template <class Incrementable> class counting_iterator_traits;
// template <class Incrementable> class counting_iterator_policies;
//
// Iterator traits and policies for adapted iterators whose dereferenced
// value progresses through consecutive values of Incrementable when the
// iterator is derferenced.
//
// template <class Incrementable> struct counting_iterator_generator;
//
// A "type generator" whose nested type "type" is a counting iterator as
// described above.
//
// template <class Incrementable>
// typename counting_iterator_generator<Incrementable>::type
// make_counting_iterator(Incrementable);
//
// A function which produces an adapted counting iterator over values of
// Incrementable.
//
// Revision History
// 08 Feb 2001 Beginning of a failed attempt to appease Borland
// (David Abrahams)
// 07 Feb 2001 rename counting_iterator() -> make_counting_iterator()
// (David Abrahams)
// 04 Feb 2001 Added counting_iterator_generator; updated comments
// (David Abrahams)
// 24 Jan 2001 initial revision, based on Jeremy Siek's
// boost/pending/integer_range.hpp (David Abrahams)
#ifndef BOOST_COUNTING_ITERATOR_HPP_DWA20000119
# define BOOST_COUNTING_ITERATOR_HPP_DWA20000119
# include <boost/config.hpp>
# include <boost/detail/iterator.hpp>
# include <boost/iterator_adaptors.hpp>
# include <boost/type_traits.hpp>
# include <boost/detail/numeric_traits.hpp>
# ifndef BOOST_NO_LIMITS
# include <limits>
# endif
namespace boost {
namespace detail {
// Template class counting_iterator_traits_select -- choose an
// iterator_category and difference_type for a counting_iterator at
// compile-time based on whether or not it wraps an integer or an iterator,
// using "poor man's partial specialization".
template <bool is_integer> struct counting_iterator_traits_select;
// Incrementable is an iterator type
template <>
struct counting_iterator_traits_select<false>
{
template <class Incrementable>
struct traits
{
private:
typedef boost::detail::iterator_traits<Incrementable> x;
public:
typedef typename x::iterator_category iterator_category;
typedef typename x::difference_type difference_type;
};
};
// Incrementable is a numeric type
template <>
struct counting_iterator_traits_select<true>
{
template <class Incrementable>
struct traits
{
typedef typename
boost::detail::numeric_traits<Incrementable>::difference_type
difference_type;
typedef std::random_access_iterator_tag iterator_category;
};
};
// Template class distance_policy_select -- choose a policy for computing the
// distance between counting_iterators at compile-time based on whether or not
// the iterator wraps an integer or an iterator, using "poor man's partial
// specialization".
template <bool is_integer> struct distance_policy_select;
// A policy for wrapped iterators
template <>
struct distance_policy_select<false>
{
template <class Distance, class Incrementable>
struct policy {
static Distance distance(Incrementable x, Incrementable y)
{ return boost::detail::distance(x, y); }
};
};
// A policy for wrapped numbers
template <>
struct distance_policy_select<true>
{
template <class Distance, class Incrementable>
struct policy {
static Distance distance(Incrementable x, Incrementable y)
{ return numeric_distance(x, y); }
};
};
// Compute the distance over arbitrary numeric and/or iterator types
template <class Distance, class Incrementable>
Distance any_distance(Incrementable start, Incrementable finish, Distance* = 0)
{
return distance_policy_select<
#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
std::numeric_limits<Incrementable>::is_specialized
#else
// Causes warnings with GCC, but how else can I detect numeric types
// at compile-time?
(boost::is_convertible<int,Incrementable>::value &&
boost::is_convertible<Incrementable,int>::value)
#endif
>::template policy<Distance, Incrementable>::distance(start, finish);
}
} // namespace detail
template <class Incrementable>
struct counting_iterator_traits {
private:
enum {
is_numeric =
#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
std::numeric_limits<Incrementable>::is_specialized
#else
// Try to detect numeric types at compile time
boost::is_convertible<int,Incrementable>::value
&& boost::is_convertible<Incrementable,int>::value
#endif
};
typedef typename detail::counting_iterator_traits_select<
is_numeric>::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;
};
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
{
return boost::detail::any_distance<Difference>(x, y);//,(Difference*)());
}
};
// A type generator for counting iterators
template <class Incrementable>
struct counting_iterator_generator
{
typedef iterator_adaptor<Incrementable,
counting_iterator_policies<Incrementable>,
counting_iterator_traits<Incrementable> > type;
};
// Manufacture a counting iterator for an arbitrary incrementable type
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);
}
} // namespace boost
#endif // BOOST_COUNTING_ITERATOR_HPP_DWA20000119

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// (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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@ -1,60 +0,0 @@
// 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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@ -658,39 +658,110 @@ struct indirect_iterator_policies : public default_iterator_policies
{ return **x; }
};
// This macro definition is only temporary in this file
# if !defined(BOOST_MSVC)
# define BOOST_ARG_DEPENDENT_TYPENAME typename
# else
# define BOOST_ARG_DEPENDENT_TYPENAME
# endif
} template <class T> struct undefined; namespace boost {
namespace detail {
#if !defined(BOOST_MSVC)
template <class T>
struct value_type_of_value_type {
typedef typename boost::detail::iterator_traits<T>::value_type outer_value;
typedef typename boost::detail::iterator_traits<outer_value>::value_type type;
};
#else // Even this workaround doesn't fly :(
struct no_value_type {};
template <class ValueType,class Pointer,class Reference>
struct inner_traits_aux
{
typedef typename boost::remove_const<ValueType>::type value_type;
typedef Pointer pointer;
typedef Reference reference;
};
template <class Value>
struct inner_traits {
template <class Iter,class ValueType,class Pointer, class Reference>
struct selector {
typedef inner_traits_aux<ValueType,Pointer,Reference> traits;
};
};
template <>
struct inner_traits<no_value_type> {
template <class Iter,class ValueType,class Pointer, class Reference>
struct selector {
typedef typename boost::detail::iterator_traits<Iter>::value_type outer_value;
typedef boost::detail::iterator_traits<outer_value> traits;
};
};
#endif
}
template <class OuterIterator, // Mutable or Immutable, does not matter
// Mutable reference and pointer type in traits class -> mutable indirect iterator;
// Immutable reference and pointer type in traits class -> immutable indirect iterator
class InnerTraits = boost::detail::iterator_traits<typename boost::detail::iterator_traits<OuterIterator>::value_type>
class Value =
#if !defined(BOOST_MSVC)
BOOST_ARG_DEPENDENT_TYPENAME detail::value_type_of_value_type<OuterIterator>::type,
#else
detail::no_value_type,
#endif
class Pointer = Value*,
class Reference = Value&
>
class indirect_iterator_generator
{
typedef boost::detail::iterator_traits<OuterIterator> OuterTraits;
typedef typename OuterTraits::difference_type difference_type;
typedef typename OuterTraits::iterator_category iterator_category;
typedef boost::detail::iterator_traits<OuterIterator> outer_traits;
typedef typename outer_traits::difference_type difference_type;
typedef typename outer_traits::iterator_category iterator_category;
typedef typename InnerTraits::value_type value_type;
typedef typename InnerTraits::pointer pointer;
typedef typename InnerTraits::reference reference;
#if !defined(BOOST_MSVC)
typedef typename boost::remove_const<Value>::type value_type;
typedef Pointer pointer;
typedef Reference reference;
#else
typedef detail::inner_traits<Value> inner_traits1;
typedef inner_traits1::template selector<OuterIterator,Value,Pointer,Reference> inner_traits2;
typedef typename inner_traits2::traits inner_traits;
typedef typename inner_traits::value_type value_type;
typedef typename inner_traits::pointer pointer;
typedef typename inner_traits::reference reference;
#endif
public:
typedef boost::iterator<iterator_category, value_type, difference_type, pointer, reference> indirect_traits;
typedef iterator_adaptor<OuterIterator, indirect_iterator_policies, indirect_traits> type;
};
template <class OuterIterator, // Mutable or Immutable, does not matter
class ConstInnerIterator, // Immutable
class ConstInnerTraits = boost::detail::iterator_traits<ConstInnerIterator>,
class InnerTraits = boost::detail::iterator_traits<typename boost::detail::iterator_traits<OuterIterator>::value_type>
class Value =
#if !defined(BOOST_MSVC)
BOOST_ARG_DEPENDENT_TYPENAME detail::value_type_of_value_type<OuterIterator>::type,
#else
detail::no_value_type,
#endif
class Pointer = Value*,
class Reference = Value&,
class ConstPointer = const Value*,
class ConstReference = const Value&
>
struct indirect_iterator_pair_generator
{
typedef typename indirect_iterator_generator<OuterIterator,
InnerTraits>::type iterator;
Value, Pointer, Reference>::type iterator;
typedef typename indirect_iterator_generator<OuterIterator,
ConstInnerTraits>::type const_iterator;
Value, ConstPointer, ConstReference>::type const_iterator;
};
#ifndef BOOST_NO_STD_ITERATOR_TRAITS
# undef BOOST_ARG_DEPENDENT_TYPENAME
# ifndef BOOST_NO_STD_ITERATOR_TRAITS
template <class OuterIterator>
inline typename indirect_iterator_generator<OuterIterator>::type
make_indirect_iterator(OuterIterator base)
@ -699,7 +770,7 @@ make_indirect_iterator(OuterIterator base)
<OuterIterator>::type result_t;
return result_t(base);
}
#endif
# endif
// Tried to allow InnerTraits to be provided by explicit template
// argument to the function, but could not get it to work. -Jeremy Siek

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@ -1,75 +0,0 @@
// (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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@ -1,59 +0,0 @@
// (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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@ -1 +0,0 @@
#include <boost/iterator_adaptors.hpp>

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@ -1,212 +0,0 @@
#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