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Author SHA1 Message Date
5aeb0855b4 Moved pointer parameter
[SVN r9348]
2001-02-27 02:18:48 +00:00
7a4887eff0 This commit was manufactured by cvs2svn to create branch
'moved_pointer'.

[SVN r9293]
2001-02-20 16:01:01 +00:00
10 changed files with 285 additions and 1665 deletions

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@ -56,7 +56,9 @@
# include <boost/type_traits.hpp>
# include <boost/detail/numeric_traits.hpp>
# include <boost/static_assert.hpp>
# include <boost/limits.hpp>
# ifndef BOOST_NO_LIMITS
# include <limits>
# endif
namespace boost {
@ -133,15 +135,7 @@ namespace detail {
// 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);
# ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
# if defined(BOOST_HAS_LONG_LONG)
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
BOOST_STATIC_CONSTANT(bool, value = std::numeric_limits<T>::is_specialized);
# else
# if !defined(__BORLANDC__)
BOOST_STATIC_CONSTANT(bool, value = (
@ -179,17 +173,14 @@ struct counting_iterator_traits {
template <class Incrementable>
struct counting_iterator_policies : public default_iterator_policies
{
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
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
{
typedef typename Iterator1::difference_type difference_type;
return boost::detail::any_distance<difference_type>(
x.base(), y.base());
return boost::detail::any_distance<Difference>(x, y);//,(Difference*)());
}
};
@ -197,20 +188,15 @@ struct counting_iterator_policies : public default_iterator_policies
template <class Incrementable>
struct counting_iterator_generator
{
typedef typename boost::remove_const<
Incrementable
>::type value_type;
typedef counting_iterator_traits<Incrementable> traits;
typedef counting_iterator_traits<value_type> traits;
typedef iterator_adaptor<
value_type
, counting_iterator_policies<value_type>
, value_type
, value_type const&
, value_type const*
, typename traits::iterator_category
, typename traits::difference_type
typedef iterator_adaptor<Incrementable,
counting_iterator_policies<Incrementable>,
Incrementable,
const Incrementable&,
typename traits::iterator_category,
typename traits::difference_type,
const Incrementable*
> type;
};

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@ -1,55 +0,0 @@
// (C) Copyright Jeremy Siek 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:
// 27 Feb 2001 Jeremy Siek
// Initial checkin.
#ifndef BOOST_FUNCTION_OUTPUT_ITERATOR_HPP
#define BOOST_FUNCTION_OUTPUT_ITERATOR_HPP
#include <iterator>
namespace boost {
template <class UnaryFunction>
class function_output_iterator {
typedef function_output_iterator self;
public:
typedef std::output_iterator_tag iterator_category;
typedef void value_type;
typedef void difference_type;
typedef void pointer;
typedef void reference;
explicit function_output_iterator(const UnaryFunction& f = UnaryFunction())
: m_f(f) {}
struct output_proxy {
output_proxy(UnaryFunction& f) : m_f(f) { }
template <class T> output_proxy& operator=(const T& value) {
m_f(value);
return *this;
}
UnaryFunction& m_f;
};
output_proxy operator*() { return output_proxy(m_f); }
self& operator++() { return *this; }
self& operator++(int) { return *this; }
private:
UnaryFunction m_f;
};
template <class UnaryFunction>
inline function_output_iterator<UnaryFunction>
make_function_output_iterator(const UnaryFunction& f = UnaryFunction()) {
return function_output_iterator<UnaryFunction>(f);
}
} // namespace boost
#endif // BOOST_FUNCTION_OUTPUT_ITERATOR_HPP

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@ -1,426 +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:
// 11 Feb 2001 Use new iterator_adaptor interface, Fixes for Borland.
// (Dave Abrahams)
// 04 Feb 2001 Support for user-defined iterator categories (Dave Abrahams)
// 30 Jan 2001 Initial Checkin (Dave 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 typename counting_iterator_generator<Incrementable>::type iterator;
private: // utility type definitions
// Using iter_t prevents compiler confusion with boost::iterator
typedef typename counting_iterator_generator<Incrementable>::type iter_t;
typedef std::less<Incrementable> less_value;
typedef typename iter_t::iterator_category category;
typedef half_open_range<Incrementable> self;
public:
typedef iter_t const_iterator;
typedef typename iterator::value_type value_type;
typedef typename iterator::difference_type difference_type;
typedef typename iterator::reference reference;
typedef typename iterator::reference const_reference;
typedef typename iterator::pointer pointer;
typedef typename iterator::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 iterator::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 self& x)
{
m_start = x.m_start;
m_finish = x.m_finish;
return *this;
}
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
{
# if defined(BOOST_NO_STD_ITERATOR) && !defined(BOOST_MSVC_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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@ -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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@ -1,253 +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:
// 28 Apr 2002 Fixed input iterator requirements.
// For a == b a++ == b++ is no longer required.
// See 24.1.1/3 for details.
// (Thomas Witt)
// 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>
# include <boost/concept_archetype.hpp> // for detail::dummy_constructor
namespace boost {
// use this for the value type
struct dummyT {
dummyT() { }
dummyT(detail::dummy_constructor) { }
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);
assert(i == i1);
assert(!(i != i1));
// I can see no generic way to create an input iterator
// that is in the domain of== of i and != i.
// The following works for istream_iterator but is not
// guaranteed to work for arbitrary input iterators.
//
// Iterator i2;
//
// assert(i != i2);
// assert(!(i == i2));
assert(*i1 == v1);
assert(*i == v1);
// we cannot test for equivalence of (void)++i & (void)i++
// as i is only guaranteed to be single pass.
assert(*i++ == v1);
i1 = i;
assert(i == i1);
assert(!(i != i1));
assert(*i1 == v2);
assert(*i == v2);
// i is dereferencable, so it must be incrementable.
++i;
// how to test for operator-> ?
}
// 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);
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);
// 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

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@ -1,72 +0,0 @@
// (C) Copyright Toon Knapen 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.
//
#ifndef boost_permutation_iterator_hpp
#define boost_permutation_iterator_hpp
#include <boost/iterator_adaptors.hpp>
namespace boost {
template < typename IndexIterator >
struct permutation_iterator_policies : public default_iterator_policies
{
permutation_iterator_policies() {}
permutation_iterator_policies(IndexIterator order_it)
: order_it_( order_it )
{}
template <class IteratorAdaptor>
typename IteratorAdaptor::reference dereference(const IteratorAdaptor& x) const
{ return *(x.base() + *order_it_); }
template <class IteratorAdaptor>
void increment(IteratorAdaptor&)
{ ++order_it_; }
template <class IteratorAdaptor>
void decrement(IteratorAdaptor&)
{ --order_it_; }
template <class IteratorAdaptor, class DifferenceType>
void advance(IteratorAdaptor& x, DifferenceType n)
{ std::advance( order_it_, n ); }
template <class IteratorAdaptor1, class IteratorAdaptor2>
typename IteratorAdaptor1::difference_type
distance(const IteratorAdaptor1& x, const IteratorAdaptor2& y) const
{ return std::distance( x.policies().order_it_, y.policies().order_it_ ); }
template <class IteratorAdaptor1, class IteratorAdaptor2>
bool equal(const IteratorAdaptor1& x, const IteratorAdaptor2& y) const
{ return x.policies().order_it_ == y.policies().order_it_; }
IndexIterator order_it_;
};
template < typename ElementIterator, typename IndexIterator >
struct permutation_iterator_generator
{
typedef boost::iterator_adaptor
< ElementIterator,
permutation_iterator_policies< IndexIterator >
> type;
};
template < class IndexIterator, class ElementIterator >
inline typename permutation_iterator_generator< ElementIterator, IndexIterator >::type
make_permutation_iterator(ElementIterator base, IndexIterator order)
{
typedef typename permutation_iterator_generator< ElementIterator, IndexIterator >::type result_t;
return result_t( base, order );
}
} // namespace boost
#endif // boost_permutation_iterator_hpp