stl_bvec.h
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上传日期:2022-05-14
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文件大小:27k
源码类别:
STL
开发平台:
Visual C++
- /*
- *
- * Copyright (c) 1994
- * Hewlett-Packard Company
- *
- * Permission to use, copy, modify, distribute and sell this software
- * and its documentation for any purpose is hereby granted without fee,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation. Hewlett-Packard Company makes no
- * representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- *
- * Copyright (c) 1996-1999
- * Silicon Graphics Computer Systems, Inc.
- *
- * Permission to use, copy, modify, distribute and sell this software
- * and its documentation for any purpose is hereby granted without fee,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation. Silicon Graphics makes no
- * representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- */
- /* NOTE: This is an internal header file, included by other STL headers.
- * You should not attempt to use it directly.
- */
- #ifndef __SGI_STL_INTERNAL_BVECTOR_H
- #define __SGI_STL_INTERNAL_BVECTOR_H
- __STL_BEGIN_NAMESPACE
- static const int __WORD_BIT = int(CHAR_BIT*sizeof(unsigned int));
- #if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
- #pragma set woff 1174
- #pragma set woff 1375
- #endif
- struct _Bit_reference {
- unsigned int* _M_p;
- unsigned int _M_mask;
- _Bit_reference(unsigned int* __x, unsigned int __y)
- : _M_p(__x), _M_mask(__y) {}
- public:
- _Bit_reference() : _M_p(0), _M_mask(0) {}
- operator bool() const { return !(!(*_M_p & _M_mask)); }
- _Bit_reference& operator=(bool __x)
- {
- if (__x) *_M_p |= _M_mask;
- else *_M_p &= ~_M_mask;
- return *this;
- }
- _Bit_reference& operator=(const _Bit_reference& __x)
- { return *this = bool(__x); }
- bool operator==(const _Bit_reference& __x) const
- { return bool(*this) == bool(__x); }
- bool operator<(const _Bit_reference& __x) const {
- return !bool(*this) && bool(__x);
- }
- void flip() { *_M_p ^= _M_mask; }
- };
- inline void swap(_Bit_reference __x, _Bit_reference __y)
- {
- bool __tmp = __x;
- __x = __y;
- __y = __tmp;
- }
- struct _Bit_iterator_base : public random_access_iterator<bool, ptrdiff_t>
- {
- unsigned int* _M_p;
- unsigned int _M_offset;
- _Bit_iterator_base(unsigned int* __x, unsigned int __y)
- : _M_p(__x), _M_offset(__y) {}
- void _M_bump_up() {
- if (_M_offset++ == __WORD_BIT - 1) {
- _M_offset = 0;
- ++_M_p;
- }
- }
- void _M_bump_down() {
- if (_M_offset-- == 0) {
- _M_offset = __WORD_BIT - 1;
- --_M_p;
- }
- }
- void _M_incr(ptrdiff_t __i) {
- difference_type __n = __i + _M_offset;
- _M_p += __n / __WORD_BIT;
- __n = __n % __WORD_BIT;
- if (__n < 0) {
- _M_offset = (unsigned int) __n + __WORD_BIT;
- --_M_p;
- } else
- _M_offset = (unsigned int) __n;
- }
- bool operator==(const _Bit_iterator_base& __i) const {
- return _M_p == __i._M_p && _M_offset == __i._M_offset;
- }
- bool operator<(const _Bit_iterator_base& __i) const {
- return _M_p < __i._M_p || (_M_p == __i._M_p && _M_offset < __i._M_offset);
- }
- bool operator!=(const _Bit_iterator_base& __i) const {
- return !(*this == __i);
- }
- bool operator>(const _Bit_iterator_base& __i) const {
- return __i < *this;
- }
- bool operator<=(const _Bit_iterator_base& __i) const {
- return !(__i < *this);
- }
- bool operator>=(const _Bit_iterator_base& __i) const {
- return !(*this < __i);
- }
- };
- inline ptrdiff_t
- operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y) {
- return __WORD_BIT * (__x._M_p - __y._M_p) + __x._M_offset - __y._M_offset;
- }
- struct _Bit_iterator : public _Bit_iterator_base
- {
- typedef _Bit_reference reference;
- typedef _Bit_reference* pointer;
- typedef _Bit_iterator iterator;
- _Bit_iterator() : _Bit_iterator_base(0, 0) {}
- _Bit_iterator(unsigned int* __x, unsigned int __y)
- : _Bit_iterator_base(__x, __y) {}
- reference operator*() const { return reference(_M_p, 1U << _M_offset); }
- iterator& operator++() {
- _M_bump_up();
- return *this;
- }
- iterator operator++(int) {
- iterator __tmp = *this;
- _M_bump_up();
- return __tmp;
- }
- iterator& operator--() {
- _M_bump_down();
- return *this;
- }
- iterator operator--(int) {
- iterator __tmp = *this;
- _M_bump_down();
- return __tmp;
- }
- iterator& operator+=(difference_type __i) {
- _M_incr(__i);
- return *this;
- }
- iterator& operator-=(difference_type __i) {
- *this += -__i;
- return *this;
- }
- iterator operator+(difference_type __i) const {
- iterator __tmp = *this;
- return __tmp += __i;
- }
- iterator operator-(difference_type __i) const {
- iterator __tmp = *this;
- return __tmp -= __i;
- }
- reference operator[](difference_type __i) { return *(*this + __i); }
- };
- inline _Bit_iterator
- operator+(ptrdiff_t __n, const _Bit_iterator& __x) { return __x + __n; }
- struct _Bit_const_iterator : public _Bit_iterator_base
- {
- typedef bool reference;
- typedef bool const_reference;
- typedef const bool* pointer;
- typedef _Bit_const_iterator const_iterator;
- _Bit_const_iterator() : _Bit_iterator_base(0, 0) {}
- _Bit_const_iterator(unsigned int* __x, unsigned int __y)
- : _Bit_iterator_base(__x, __y) {}
- _Bit_const_iterator(const _Bit_iterator& __x)
- : _Bit_iterator_base(__x._M_p, __x._M_offset) {}
- const_reference operator*() const {
- return _Bit_reference(_M_p, 1U << _M_offset);
- }
- const_iterator& operator++() {
- _M_bump_up();
- return *this;
- }
- const_iterator operator++(int) {
- const_iterator __tmp = *this;
- _M_bump_up();
- return __tmp;
- }
- const_iterator& operator--() {
- _M_bump_down();
- return *this;
- }
- const_iterator operator--(int) {
- const_iterator __tmp = *this;
- _M_bump_down();
- return __tmp;
- }
- const_iterator& operator+=(difference_type __i) {
- _M_incr(__i);
- return *this;
- }
- const_iterator& operator-=(difference_type __i) {
- *this += -__i;
- return *this;
- }
- const_iterator operator+(difference_type __i) const {
- const_iterator __tmp = *this;
- return __tmp += __i;
- }
- const_iterator operator-(difference_type __i) const {
- const_iterator __tmp = *this;
- return __tmp -= __i;
- }
- const_reference operator[](difference_type __i) {
- return *(*this + __i);
- }
- };
- inline _Bit_const_iterator
- operator+(ptrdiff_t __n, const _Bit_const_iterator& __x) { return __x + __n; }
- // Bit-vector base class, which encapsulates the difference between
- // old SGI-style allocators and standard-conforming allocators.
- #ifdef __STL_USE_STD_ALLOCATORS
- // Base class for ordinary allocators.
- template <class _Allocator, bool __is_static>
- class _Bvector_alloc_base {
- public:
- typedef typename _Alloc_traits<bool, _Allocator>::allocator_type
- allocator_type;
- allocator_type get_allocator() const { return _M_data_allocator; }
- _Bvector_alloc_base(const allocator_type& __a)
- : _M_data_allocator(__a), _M_start(), _M_finish(), _M_end_of_storage(0) {}
- protected:
- unsigned int* _M_bit_alloc(size_t __n)
- { return _M_data_allocator.allocate((__n + __WORD_BIT - 1)/__WORD_BIT); }
- void _M_deallocate() {
- if (_M_start._M_p)
- _M_data_allocator.deallocate(_M_start._M_p,
- _M_end_of_storage - _M_start._M_p);
- }
- typename _Alloc_traits<unsigned int, _Allocator>::allocator_type
- _M_data_allocator;
- _Bit_iterator _M_start;
- _Bit_iterator _M_finish;
- unsigned int* _M_end_of_storage;
- };
- // Specialization for instanceless allocators.
- template <class _Allocator>
- class _Bvector_alloc_base<_Allocator, true> {
- public:
- typedef typename _Alloc_traits<bool, _Allocator>::allocator_type
- allocator_type;
- allocator_type get_allocator() const { return allocator_type(); }
- _Bvector_alloc_base(const allocator_type&)
- : _M_start(), _M_finish(), _M_end_of_storage(0) {}
- protected:
- typedef typename _Alloc_traits<unsigned int, _Allocator>::_Alloc_type
- _Alloc_type;
- unsigned int* _M_bit_alloc(size_t __n)
- { return _Alloc_type::allocate((__n + __WORD_BIT - 1)/__WORD_BIT); }
- void _M_deallocate() {
- if (_M_start._M_p)
- _Alloc_type::deallocate(_M_start._M_p,
- _M_end_of_storage - _M_start._M_p);
- }
- _Bit_iterator _M_start;
- _Bit_iterator _M_finish;
- unsigned int* _M_end_of_storage;
- };
- template <class _Alloc>
- class _Bvector_base
- : public _Bvector_alloc_base<_Alloc,
- _Alloc_traits<bool, _Alloc>::_S_instanceless>
- {
- typedef _Bvector_alloc_base<_Alloc,
- _Alloc_traits<bool, _Alloc>::_S_instanceless>
- _Base;
- public:
- typedef typename _Base::allocator_type allocator_type;
- _Bvector_base(const allocator_type& __a) : _Base(__a) {}
- ~_Bvector_base() { _Base::_M_deallocate(); }
- };
- #else /* __STL_USE_STD_ALLOCATORS */
- template <class _Alloc>
- class _Bvector_base
- {
- public:
- typedef _Alloc allocator_type;
- allocator_type get_allocator() const { return allocator_type(); }
- _Bvector_base(const allocator_type&)
- : _M_start(), _M_finish(), _M_end_of_storage(0) {}
- ~_Bvector_base() { _M_deallocate(); }
- protected:
- typedef simple_alloc<unsigned int, _Alloc> _Alloc_type;
- unsigned int* _M_bit_alloc(size_t __n)
- { return _Alloc_type::allocate((__n + __WORD_BIT - 1)/__WORD_BIT); }
- void _M_deallocate() {
- if (_M_start._M_p)
- _Alloc_type::deallocate(_M_start._M_p,
- _M_end_of_storage - _M_start._M_p);
- }
- _Bit_iterator _M_start;
- _Bit_iterator _M_finish;
- unsigned int* _M_end_of_storage;
- };
- #endif /* __STL_USE_STD_ALLOCATORS */
- // The next few lines are confusing. What we're doing is declaring a
- // partial specialization of vector<T, Alloc> if we have the necessary
- // compiler support. Otherwise, we define a class bit_vector which uses
- // the default allocator.
- #if defined(__STL_CLASS_PARTIAL_SPECIALIZATION) && !defined(__STL_NO_BOOL)
- # define __SGI_STL_VECBOOL_TEMPLATE
- # define __BVECTOR vector<bool, _Alloc>
- # define __VECTOR vector
- # define __BVECTOR_BASE _Bvector_base<_Alloc>
- # define __BVECTOR_TMPL_LIST template <class _Alloc>
- __STL_END_NAMESPACE
- # include <stl_vector.h>
- __STL_BEGIN_NAMESPACE
- #else /* __STL_CLASS_PARTIAL_SPECIALIZATION && !__STL_NO_BOOL */
- # undef __SGI_STL_VECBOOL_TEMPLATE
- # define __BVECTOR bit_vector
- # define __VECTOR bit_vector
- # define __BVECTOR_BASE _Bvector_base<__STL_DEFAULT_ALLOCATOR(bool) >
- # define __BVECTOR_TMPL_LIST
- #endif /* __STL_CLASS_PARTIAL_SPECIALIZATION && !__STL_NO_BOOL */
- __BVECTOR_TMPL_LIST
- class __BVECTOR : public __BVECTOR_BASE
- {
- public:
- typedef bool value_type;
- typedef size_t size_type;
- typedef ptrdiff_t difference_type;
- typedef _Bit_reference reference;
- typedef bool const_reference;
- typedef _Bit_reference* pointer;
- typedef const bool* const_pointer;
- typedef _Bit_iterator iterator;
- typedef _Bit_const_iterator const_iterator;
- #ifdef __STL_CLASS_PARTIAL_SPECIALIZATION
- typedef reverse_iterator<const_iterator> const_reverse_iterator;
- typedef reverse_iterator<iterator> reverse_iterator;
- #else /* __STL_CLASS_PARTIAL_SPECIALIZATION */
- typedef reverse_iterator<const_iterator, value_type, const_reference,
- difference_type> const_reverse_iterator;
- typedef reverse_iterator<iterator, value_type, reference, difference_type>
- reverse_iterator;
- #endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
- typedef typename __BVECTOR_BASE::allocator_type allocator_type;
- allocator_type get_allocator() const {
- return __BVECTOR_BASE::get_allocator();
- }
- protected:
- #ifdef __STL_USE_NAMESPACES
- using __BVECTOR_BASE::_M_bit_alloc;
- using __BVECTOR_BASE::_M_deallocate;
- using __BVECTOR_BASE::_M_start;
- using __BVECTOR_BASE::_M_finish;
- using __BVECTOR_BASE::_M_end_of_storage;
- #endif /* __STL_USE_NAMESPACES */
- protected:
- void _M_initialize(size_type __n) {
- unsigned int* __q = _M_bit_alloc(__n);
- _M_end_of_storage = __q + (__n + __WORD_BIT - 1)/__WORD_BIT;
- _M_start = iterator(__q, 0);
- _M_finish = _M_start + difference_type(__n);
- }
- void _M_insert_aux(iterator __position, bool __x) {
- if (_M_finish._M_p != _M_end_of_storage) {
- copy_backward(__position, _M_finish, _M_finish + 1);
- *__position = __x;
- ++_M_finish;
- }
- else {
- size_type __len = size() ? 2 * size() : __WORD_BIT;
- unsigned int* __q = _M_bit_alloc(__len);
- iterator __i = copy(begin(), __position, iterator(__q, 0));
- *__i++ = __x;
- _M_finish = copy(__position, end(), __i);
- _M_deallocate();
- _M_end_of_storage = __q + (__len + __WORD_BIT - 1)/__WORD_BIT;
- _M_start = iterator(__q, 0);
- }
- }
- #ifdef __STL_MEMBER_TEMPLATES
- template <class _InputIterator>
- void _M_initialize_range(_InputIterator __first, _InputIterator __last,
- input_iterator_tag) {
- _M_start = iterator();
- _M_finish = iterator();
- _M_end_of_storage = 0;
- for ( ; __first != __last; ++__first)
- push_back(*__first);
- }
- template <class _ForwardIterator>
- void _M_initialize_range(_ForwardIterator __first, _ForwardIterator __last,
- forward_iterator_tag) {
- size_type __n = 0;
- distance(__first, __last, __n);
- _M_initialize(__n);
- copy(__first, __last, _M_start);
- }
- template <class _InputIterator>
- void _M_insert_range(iterator __pos,
- _InputIterator __first, _InputIterator __last,
- input_iterator_tag) {
- for ( ; __first != __last; ++__first) {
- __pos = insert(__pos, *__first);
- ++__pos;
- }
- }
- template <class _ForwardIterator>
- void _M_insert_range(iterator __position,
- _ForwardIterator __first, _ForwardIterator __last,
- forward_iterator_tag) {
- if (__first != __last) {
- size_type __n = 0;
- distance(__first, __last, __n);
- if (capacity() - size() >= __n) {
- copy_backward(__position, end(), _M_finish + difference_type(__n));
- copy(__first, __last, __position);
- _M_finish += difference_type(__n);
- }
- else {
- size_type __len = size() + max(size(), __n);
- unsigned int* __q = _M_bit_alloc(__len);
- iterator __i = copy(begin(), __position, iterator(__q, 0));
- __i = copy(__first, __last, __i);
- _M_finish = copy(__position, end(), __i);
- _M_deallocate();
- _M_end_of_storage = __q + (__len + __WORD_BIT - 1)/__WORD_BIT;
- _M_start = iterator(__q, 0);
- }
- }
- }
- #endif /* __STL_MEMBER_TEMPLATES */
- public:
- iterator begin() { return _M_start; }
- const_iterator begin() const { return _M_start; }
- iterator end() { return _M_finish; }
- const_iterator end() const { return _M_finish; }
- reverse_iterator rbegin() { return reverse_iterator(end()); }
- const_reverse_iterator rbegin() const {
- return const_reverse_iterator(end());
- }
- reverse_iterator rend() { return reverse_iterator(begin()); }
- const_reverse_iterator rend() const {
- return const_reverse_iterator(begin());
- }
- size_type size() const { return size_type(end() - begin()); }
- size_type max_size() const { return size_type(-1); }
- size_type capacity() const {
- return size_type(const_iterator(_M_end_of_storage, 0) - begin());
- }
- bool empty() const { return begin() == end(); }
- reference operator[](size_type __n)
- { return *(begin() + difference_type(__n)); }
- const_reference operator[](size_type __n) const
- { return *(begin() + difference_type(__n)); }
- #ifdef __STL_THROW_RANGE_ERRORS
- void _M_range_check(size_type __n) const {
- if (__n >= this->size())
- __stl_throw_range_error("vector<bool>");
- }
- reference at(size_type __n)
- { _M_range_check(__n); return (*this)[__n]; }
- const_reference at(size_type __n) const
- { _M_range_check(__n); return (*this)[__n]; }
- #endif /* __STL_THROW_RANGE_ERRORS */
- explicit __VECTOR(const allocator_type& __a = allocator_type())
- : __BVECTOR_BASE(__a) {}
- __VECTOR(size_type __n, bool __value,
- const allocator_type& __a = allocator_type())
- : __BVECTOR_BASE(__a)
- {
- _M_initialize(__n);
- fill(_M_start._M_p, _M_end_of_storage, __value ? ~0 : 0);
- }
- explicit __VECTOR(size_type __n)
- : __BVECTOR_BASE(allocator_type())
- {
- _M_initialize(__n);
- fill(_M_start._M_p, _M_end_of_storage, 0);
- }
- __VECTOR(const __VECTOR& __x) : __BVECTOR_BASE(__x.get_allocator()) {
- _M_initialize(__x.size());
- copy(__x.begin(), __x.end(), _M_start);
- }
- #ifdef __STL_MEMBER_TEMPLATES
- // Check whether it's an integral type. If so, it's not an iterator.
- template <class _Integer>
- void _M_initialize_dispatch(_Integer __n, _Integer __x, __true_type) {
- _M_initialize(__n);
- fill(_M_start._M_p, _M_end_of_storage, __x ? ~0 : 0);
- }
- template <class _InputIterator>
- void _M_initialize_dispatch(_InputIterator __first, _InputIterator __last,
- __false_type) {
- _M_initialize_range(__first, __last, __ITERATOR_CATEGORY(__first));
- }
- template <class _InputIterator>
- __VECTOR(_InputIterator __first, _InputIterator __last,
- const allocator_type& __a = allocator_type())
- : __BVECTOR_BASE(__a)
- {
- typedef typename _Is_integer<_InputIterator>::_Integral _Integral;
- _M_initialize_dispatch(__first, __last, _Integral());
- }
- #else /* __STL_MEMBER_TEMPLATES */
- __VECTOR(const_iterator __first, const_iterator __last,
- const allocator_type& __a = allocator_type())
- : __BVECTOR_BASE(__a)
- {
- size_type __n = 0;
- distance(__first, __last, __n);
- _M_initialize(__n);
- copy(__first, __last, _M_start);
- }
- __VECTOR(const bool* __first, const bool* __last,
- const allocator_type& __a = allocator_type())
- : __BVECTOR_BASE(__a)
- {
- size_type __n = 0;
- distance(__first, __last, __n);
- _M_initialize(__n);
- copy(__first, __last, _M_start);
- }
- #endif /* __STL_MEMBER_TEMPLATES */
- ~__VECTOR() { }
- __VECTOR& operator=(const __VECTOR& __x) {
- if (&__x == this) return *this;
- if (__x.size() > capacity()) {
- _M_deallocate();
- _M_initialize(__x.size());
- }
- copy(__x.begin(), __x.end(), begin());
- _M_finish = begin() + difference_type(__x.size());
- return *this;
- }
- // assign(), a generalized assignment member function. Two
- // versions: one that takes a count, and one that takes a range.
- // The range version is a member template, so we dispatch on whether
- // or not the type is an integer.
- void _M_fill_assign(size_t __n, bool __x) {
- if (__n > size()) {
- fill(_M_start._M_p, _M_end_of_storage, __x ? ~0 : 0);
- insert(end(), __n - size(), __x);
- }
- else {
- erase(begin() + __n, end());
- fill(_M_start._M_p, _M_end_of_storage, __x ? ~0 : 0);
- }
- }
- void assign(size_t __n, bool __x) { _M_fill_assign(__n, __x); }
- #ifdef __STL_MEMBER_TEMPLATES
- template <class _InputIterator>
- void assign(_InputIterator __first, _InputIterator __last) {
- typedef typename _Is_integer<_InputIterator>::_Integral _Integral;
- _M_assign_dispatch(__first, __last, _Integral());
- }
- template <class _Integer>
- void _M_assign_dispatch(_Integer __n, _Integer __val, __true_type)
- { _M_fill_assign((size_t) __n, (bool) __val); }
- template <class _InputIter>
- void _M_assign_dispatch(_InputIter __first, _InputIter __last, __false_type)
- { _M_assign_aux(__first, __last, __ITERATOR_CATEGORY(__first)); }
- template <class _InputIterator>
- void _M_assign_aux(_InputIterator __first, _InputIterator __last,
- input_iterator_tag) {
- iterator __cur = begin();
- for ( ; __first != __last && __cur != end(); ++__cur, ++__first)
- *__cur = *__first;
- if (__first == __last)
- erase(__cur, end());
- else
- insert(end(), __first, __last);
- }
- template <class _ForwardIterator>
- void _M_assign_aux(_ForwardIterator __first, _ForwardIterator __last,
- forward_iterator_tag) {
- size_type __len = 0;
- distance(__first, __last, __len);
- if (__len < size())
- erase(copy(__first, __last, begin()), end());
- else {
- _ForwardIterator __mid = __first;
- advance(__mid, size());
- copy(__first, __mid, begin());
- insert(end(), __mid, __last);
- }
- }
- #endif /* __STL_MEMBER_TEMPLATES */
- void reserve(size_type __n) {
- if (capacity() < __n) {
- unsigned int* __q = _M_bit_alloc(__n);
- _M_finish = copy(begin(), end(), iterator(__q, 0));
- _M_deallocate();
- _M_start = iterator(__q, 0);
- _M_end_of_storage = __q + (__n + __WORD_BIT - 1)/__WORD_BIT;
- }
- }
- reference front() { return *begin(); }
- const_reference front() const { return *begin(); }
- reference back() { return *(end() - 1); }
- const_reference back() const { return *(end() - 1); }
- void push_back(bool __x) {
- if (_M_finish._M_p != _M_end_of_storage)
- *_M_finish++ = __x;
- else
- _M_insert_aux(end(), __x);
- }
- void swap(__BVECTOR& __x) {
- __STD::swap(_M_start, __x._M_start);
- __STD::swap(_M_finish, __x._M_finish);
- __STD::swap(_M_end_of_storage, __x._M_end_of_storage);
- }
- iterator insert(iterator __position, bool __x = bool()) {
- difference_type __n = __position - begin();
- if (_M_finish._M_p != _M_end_of_storage && __position == end())
- *_M_finish++ = __x;
- else
- _M_insert_aux(__position, __x);
- return begin() + __n;
- }
- #ifdef __STL_MEMBER_TEMPLATES
- // Check whether it's an integral type. If so, it's not an iterator.
- template <class _Integer>
- void _M_insert_dispatch(iterator __pos, _Integer __n, _Integer __x,
- __true_type) {
- _M_fill_insert(__pos, __n, __x);
- }
- template <class _InputIterator>
- void _M_insert_dispatch(iterator __pos,
- _InputIterator __first, _InputIterator __last,
- __false_type) {
- _M_insert_range(__pos, __first, __last, __ITERATOR_CATEGORY(__first));
- }
- template <class _InputIterator>
- void insert(iterator __position,
- _InputIterator __first, _InputIterator __last) {
- typedef typename _Is_integer<_InputIterator>::_Integral _Integral;
- _M_insert_dispatch(__position, __first, __last, _Integral());
- }
- #else /* __STL_MEMBER_TEMPLATES */
- void insert(iterator __position,
- const_iterator __first, const_iterator __last) {
- if (__first == __last) return;
- size_type __n = 0;
- distance(__first, __last, __n);
- if (capacity() - size() >= __n) {
- copy_backward(__position, end(), _M_finish + __n);
- copy(__first, __last, __position);
- _M_finish += __n;
- }
- else {
- size_type __len = size() + max(size(), __n);
- unsigned int* __q = _M_bit_alloc(__len);
- iterator __i = copy(begin(), __position, iterator(__q, 0));
- __i = copy(__first, __last, __i);
- _M_finish = copy(__position, end(), __i);
- _M_deallocate();
- _M_end_of_storage = __q + (__len + __WORD_BIT - 1)/__WORD_BIT;
- _M_start = iterator(__q, 0);
- }
- }
- void insert(iterator __position, const bool* __first, const bool* __last) {
- if (__first == __last) return;
- size_type __n = 0;
- distance(__first, __last, __n);
- if (capacity() - size() >= __n) {
- copy_backward(__position, end(), _M_finish + __n);
- copy(__first, __last, __position);
- _M_finish += __n;
- }
- else {
- size_type __len = size() + max(size(), __n);
- unsigned int* __q = _M_bit_alloc(__len);
- iterator __i = copy(begin(), __position, iterator(__q, 0));
- __i = copy(__first, __last, __i);
- _M_finish = copy(__position, end(), __i);
- _M_deallocate();
- _M_end_of_storage = __q + (__len + __WORD_BIT - 1)/__WORD_BIT;
- _M_start = iterator(__q, 0);
- }
- }
- #endif /* __STL_MEMBER_TEMPLATES */
- void _M_fill_insert(iterator __position, size_type __n, bool __x) {
- if (__n == 0) return;
- if (capacity() - size() >= __n) {
- copy_backward(__position, end(), _M_finish + difference_type(__n));
- fill(__position, __position + difference_type(__n), __x);
- _M_finish += difference_type(__n);
- }
- else {
- size_type __len = size() + max(size(), __n);
- unsigned int* __q = _M_bit_alloc(__len);
- iterator __i = copy(begin(), __position, iterator(__q, 0));
- fill_n(__i, __n, __x);
- _M_finish = copy(__position, end(), __i + difference_type(__n));
- _M_deallocate();
- _M_end_of_storage = __q + (__len + __WORD_BIT - 1)/__WORD_BIT;
- _M_start = iterator(__q, 0);
- }
- }
- void insert(iterator __position, size_type __n, bool __x) {
- _M_fill_insert(__position, __n, __x);
- }
- void pop_back() { --_M_finish; }
- iterator erase(iterator __position) {
- if (__position + 1 != end())
- copy(__position + 1, end(), __position);
- --_M_finish;
- return __position;
- }
- iterator erase(iterator __first, iterator __last) {
- _M_finish = copy(__last, end(), __first);
- return __first;
- }
- void resize(size_type __new_size, bool __x = bool()) {
- if (__new_size < size())
- erase(begin() + difference_type(__new_size), end());
- else
- insert(end(), __new_size - size(), __x);
- }
- void flip() {
- for (unsigned int* __p = _M_start._M_p; __p != _M_end_of_storage; ++__p)
- *__p = ~*__p;
- }
- void clear() { erase(begin(), end()); }
- };
- #ifdef __SGI_STL_VECBOOL_TEMPLATE
- // This typedef is non-standard. It is provided for backward compatibility.
- typedef vector<bool, alloc> bit_vector;
- #else /* __SGI_STL_VECBOOL_TEMPLATE */
- inline void swap(bit_vector& __x, bit_vector& __y) {
- __x.swap(__y);
- }
- inline bool
- operator==(const bit_vector& __x, const bit_vector& __y)
- {
- return (__x.size() == __y.size() &&
- equal(__x.begin(), __x.end(), __y.begin()));
- }
- inline bool
- operator!=(const bit_vector& __x, const bit_vector& __y)
- {
- return !(__x == __y);
- }
- inline bool
- operator<(const bit_vector& __x, const bit_vector& __y)
- {
- return lexicographical_compare(__x.begin(), __x.end(),
- __y.begin(), __y.end());
- }
- inline bool operator>(const bit_vector& __x, const bit_vector& __y)
- {
- return __y < __x;
- }
- inline bool operator<=(const bit_vector& __x, const bit_vector& __y)
- {
- return !(__y < __x);
- }
- inline bool operator>=(const bit_vector& __x, const bit_vector& __y)
- {
- return !(__x < __y);
- }
- #endif /* __SGI_STL_VECBOOL_TEMPLATE */
- #undef __SGI_STL_VECBOOL_TEMPLATE
- #undef __BVECTOR
- #undef __VECTOR
- #undef __BVECTOR_BASE
- #undef __BVECTOR_TMPL_LIST
- #if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
- #pragma reset woff 1174
- #pragma reset woff 1375
- #endif
- __STL_END_NAMESPACE
- #endif /* __SGI_STL_INTERNAL_BVECTOR_H */
- // Local Variables:
- // mode:C++
- // End: