| 1 | /* |
|---|---|
| 2 | * |
| 3 | * Copyright (c) 2003 Dr John Maddock |
| 4 | * Use, modification and distribution is subject to the |
| 5 | * Boost Software License, Version 1.0. (See accompanying file |
| 6 | * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | #if defined(BOOST_FILESYSTEM_VERSION) && (BOOST_FILESYSTEM_VERSION != 3) |
| 11 | # error "This library must be built with Boost.Filesystem version 3" |
| 12 | #else |
| 13 | #define BOOST_FILESYSTEM_VERSION 3 |
| 14 | #endif |
| 15 | |
| 16 | #include <boost/shared_ptr.hpp> |
| 17 | #include <boost/filesystem/path.hpp> |
| 18 | |
| 19 | class fileview |
| 20 | { |
| 21 | public: |
| 22 | // types: |
| 23 | typedef const char& reference; |
| 24 | typedef reference const_reference; |
| 25 | typedef const char* iterator; // See _lib.container.requirements_ |
| 26 | typedef iterator const_iterator; // See _lib.container.requirements_ |
| 27 | typedef std::size_t size_type; |
| 28 | typedef std::ptrdiff_t difference_type; |
| 29 | typedef char value_type; |
| 30 | typedef const char* pointer; |
| 31 | typedef pointer const_pointer; |
| 32 | #ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
| 33 | typedef std::reverse_iterator<iterator> reverse_iterator; |
| 34 | typedef std::reverse_iterator<const_iterator> const_reverse_iterator; |
| 35 | #endif |
| 36 | |
| 37 | // construct: |
| 38 | fileview(); |
| 39 | fileview(const boost::filesystem::path& p); |
| 40 | ~fileview(); |
| 41 | fileview(const fileview& that); |
| 42 | fileview& operator=(const fileview& that); |
| 43 | void close(); |
| 44 | void open(const boost::filesystem::path& p); |
| 45 | |
| 46 | // iterators: |
| 47 | const_iterator begin() const; |
| 48 | const_iterator end() const; |
| 49 | #ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
| 50 | const_reverse_iterator rbegin() const; |
| 51 | const_reverse_iterator rend() const; |
| 52 | #endif |
| 53 | |
| 54 | // capacity: |
| 55 | size_type size() const; |
| 56 | size_type max_size() const; |
| 57 | bool empty() const; |
| 58 | |
| 59 | // element access: |
| 60 | const_reference operator[](size_type n) const; |
| 61 | const_reference at(size_type n) const; |
| 62 | const_reference front() const; |
| 63 | const_reference back() const; |
| 64 | void swap(fileview& that); |
| 65 | |
| 66 | private: |
| 67 | void cow(); |
| 68 | struct implementation; |
| 69 | boost::shared_ptr<implementation> pimpl; |
| 70 | }; |
| 71 | |
| 72 | |
| 73 |