66d54af3
 Hu Chunming
提交_GLIBCXX_USE_CX...
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/*
*
* Copyright (c) 2003 Dr John Maddock
* Use, modification and distribution is subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*
*/
#if defined(BOOST_FILESYSTEM_VERSION) && (BOOST_FILESYSTEM_VERSION != 3)
# error "This library must be built with Boost.Filesystem version 3"
#else
#define BOOST_FILESYSTEM_VERSION 3
#endif
#include <boost/shared_ptr.hpp>
#include <boost/filesystem/path.hpp>
class fileview
{
public:
// types:
typedef const char& reference;
typedef reference const_reference;
typedef const char* iterator; // See _lib.container.requirements_
typedef iterator const_iterator; // See _lib.container.requirements_
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
typedef char value_type;
typedef const char* pointer;
typedef pointer const_pointer;
#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
#endif
// construct:
fileview();
fileview(const boost::filesystem::path& p);
~fileview();
fileview(const fileview& that);
fileview& operator=(const fileview& that);
void close();
void open(const boost::filesystem::path& p);
// iterators:
const_iterator begin() const;
const_iterator end() const;
#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
const_reverse_iterator rbegin() const;
const_reverse_iterator rend() const;
#endif
// capacity:
size_type size() const;
size_type max_size() const;
bool empty() const;
// element access:
const_reference operator[](size_type n) const;
const_reference at(size_type n) const;
const_reference front() const;
const_reference back() const;
void swap(fileview& that);
private:
void cow();
struct implementation;
boost::shared_ptr<implementation> pimpl;
};
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