727 lines
23 KiB
C++
727 lines
23 KiB
C++
// bit_vector and vector<bool> specialization -*- C++ -*-
|
|
|
|
// Copyright (C) 2001, 2002 Free Software Foundation, Inc.
|
|
//
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
|
// software; you can redistribute it and/or modify it under the
|
|
// terms of the GNU General Public License as published by the
|
|
// Free Software Foundation; either version 2, or (at your option)
|
|
// any later version.
|
|
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this library; see the file COPYING. If not, write to the Free
|
|
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
|
|
// USA.
|
|
|
|
// As a special exception, you may use this file as part of a free software
|
|
// library without restriction. Specifically, if other files instantiate
|
|
// templates or use macros or inline functions from this file, or you compile
|
|
// this file and link it with other files to produce an executable, this
|
|
// file does not by itself cause the resulting executable to be covered by
|
|
// the GNU General Public License. This exception does not however
|
|
// invalidate any other reasons why the executable file might be covered by
|
|
// the GNU General Public License.
|
|
|
|
/*
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/** @file stl_bvector.h
|
|
* This is an internal header file, included by other library headers.
|
|
* You should not attempt to use it directly.
|
|
*/
|
|
|
|
#ifndef __GLIBCPP_INTERNAL_BVECTOR_H
|
|
#define __GLIBCPP_INTERNAL_BVECTOR_H
|
|
|
|
namespace std
|
|
{
|
|
typedef unsigned long _Bit_type;
|
|
enum { _M_word_bit = int(CHAR_BIT * sizeof(_Bit_type)) };
|
|
|
|
struct _Bit_reference {
|
|
|
|
_Bit_type * _M_p;
|
|
_Bit_type _M_mask;
|
|
_Bit_reference(_Bit_type * __x, _Bit_type __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 iterator<random_access_iterator_tag, bool>
|
|
{
|
|
_Bit_type * _M_p;
|
|
unsigned int _M_offset;
|
|
|
|
_Bit_iterator_base(_Bit_type * __x, unsigned int __y)
|
|
: _M_p(__x), _M_offset(__y) {}
|
|
|
|
void _M_bump_up() {
|
|
if (_M_offset++ == _M_word_bit - 1) {
|
|
_M_offset = 0;
|
|
++_M_p;
|
|
}
|
|
}
|
|
void _M_bump_down() {
|
|
if (_M_offset-- == 0) {
|
|
_M_offset = _M_word_bit - 1;
|
|
--_M_p;
|
|
}
|
|
}
|
|
|
|
void _M_incr(ptrdiff_t __i) {
|
|
difference_type __n = __i + _M_offset;
|
|
_M_p += __n / _M_word_bit;
|
|
__n = __n % _M_word_bit;
|
|
if (__n < 0) {
|
|
_M_offset = (unsigned int) __n + _M_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 _M_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(_Bit_type * __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(_Bit_type * __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.
|
|
|
|
// 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:
|
|
_Bit_type * _M_bit_alloc(size_t __n)
|
|
{ return _M_data_allocator.allocate((__n + _M_word_bit - 1)/_M_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<_Bit_type, _Allocator>::allocator_type
|
|
_M_data_allocator;
|
|
_Bit_iterator _M_start;
|
|
_Bit_iterator _M_finish;
|
|
_Bit_type * _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<_Bit_type, _Allocator>::_Alloc_type
|
|
_Alloc_type;
|
|
|
|
_Bit_type * _M_bit_alloc(size_t __n)
|
|
{ return _Alloc_type::allocate((__n + _M_word_bit - 1)/_M_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;
|
|
_Bit_type * _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(); }
|
|
};
|
|
|
|
} // namespace std
|
|
|
|
// Declare a partial specialization of vector<T, Alloc>.
|
|
#include <bits/stl_vector.h>
|
|
namespace std
|
|
{
|
|
|
|
template <typename _Alloc>
|
|
class vector<bool, _Alloc> : public _Bvector_base<_Alloc>
|
|
{
|
|
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;
|
|
|
|
typedef reverse_iterator<const_iterator> const_reverse_iterator;
|
|
typedef reverse_iterator<iterator> reverse_iterator;
|
|
|
|
typedef typename _Bvector_base<_Alloc>::allocator_type allocator_type;
|
|
allocator_type get_allocator() const {
|
|
return _Bvector_base<_Alloc>::get_allocator();
|
|
}
|
|
|
|
protected:
|
|
using _Bvector_base<_Alloc>::_M_bit_alloc;
|
|
using _Bvector_base<_Alloc>::_M_deallocate;
|
|
using _Bvector_base<_Alloc>::_M_start;
|
|
using _Bvector_base<_Alloc>::_M_finish;
|
|
using _Bvector_base<_Alloc>::_M_end_of_storage;
|
|
|
|
protected:
|
|
void _M_initialize(size_type __n) {
|
|
_Bit_type * __q = _M_bit_alloc(__n);
|
|
_M_end_of_storage = __q + (__n + _M_word_bit - 1)/_M_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() : static_cast<size_type>(_M_word_bit);
|
|
_Bit_type * __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 + _M_word_bit - 1)/_M_word_bit;
|
|
_M_start = iterator(__q, 0);
|
|
}
|
|
}
|
|
|
|
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 = distance(__first, __last);
|
|
_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 = distance(__first, __last);
|
|
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);
|
|
_Bit_type * __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 + _M_word_bit - 1)/_M_word_bit;
|
|
_M_start = iterator(__q, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
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)); }
|
|
|
|
void _M_range_check(size_type __n) const {
|
|
if (__n >= this->size())
|
|
__throw_out_of_range("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]; }
|
|
|
|
explicit vector(const allocator_type& __a = allocator_type())
|
|
: _Bvector_base<_Alloc>(__a) {}
|
|
|
|
vector(size_type __n, bool __value,
|
|
const allocator_type& __a = allocator_type())
|
|
: _Bvector_base<_Alloc>(__a)
|
|
{
|
|
_M_initialize(__n);
|
|
fill(_M_start._M_p, _M_end_of_storage, __value ? ~0 : 0);
|
|
}
|
|
|
|
explicit vector(size_type __n)
|
|
: _Bvector_base<_Alloc>(allocator_type())
|
|
{
|
|
_M_initialize(__n);
|
|
fill(_M_start._M_p, _M_end_of_storage, 0);
|
|
}
|
|
|
|
vector(const vector& __x) : _Bvector_base<_Alloc>(__x.get_allocator()) {
|
|
_M_initialize(__x.size());
|
|
copy(__x.begin(), __x.end(), _M_start);
|
|
}
|
|
|
|
// 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<_Alloc>(__a)
|
|
{
|
|
typedef typename _Is_integer<_InputIterator>::_Integral _Integral;
|
|
_M_initialize_dispatch(__first, __last, _Integral());
|
|
}
|
|
|
|
~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); }
|
|
|
|
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 = distance(__first, __last);
|
|
if (__len < size())
|
|
erase(copy(__first, __last, begin()), end());
|
|
else {
|
|
_ForwardIterator __mid = __first;
|
|
advance(__mid, size());
|
|
copy(__first, __mid, begin());
|
|
insert(end(), __mid, __last);
|
|
}
|
|
}
|
|
|
|
void reserve(size_type __n) {
|
|
if (capacity() < __n) {
|
|
_Bit_type * __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 + _M_word_bit - 1)/_M_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(vector<bool, _Alloc>& __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;
|
|
}
|
|
|
|
// 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());
|
|
}
|
|
|
|
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);
|
|
_Bit_type * __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 + _M_word_bit - 1)/_M_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 (_Bit_type * __p = _M_start._M_p; __p != _M_end_of_storage; ++__p)
|
|
*__p = ~*__p;
|
|
}
|
|
|
|
void clear() { erase(begin(), end()); }
|
|
};
|
|
|
|
// This typedef is non-standard. It is provided for backward compatibility.
|
|
typedef vector<bool, __alloc> bit_vector;
|
|
|
|
} // namespace std
|
|
|
|
#endif /* __GLIBCPP_INTERNAL_BVECTOR_H */
|
|
|
|
// Local Variables:
|
|
// mode:C++
|
|
// End:
|