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