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1 | #ifndef BOOST_ARCHIVE_ITERATORS_INSERT_LINEBREAKS_HPP |
2 | #define BOOST_ARCHIVE_ITERATORS_INSERT_LINEBREAKS_HPP | |
3 | ||
4 | // MS compatible compilers support #pragma once | |
5 | #if defined(_MSC_VER) | |
6 | # pragma once | |
7 | #endif | |
8 | ||
9 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 | |
10 | // insert_linebreaks.hpp | |
11 | ||
12 | // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . | |
13 | // Use, modification and distribution is subject to the Boost Software | |
14 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
15 | // http://www.boost.org/LICENSE_1_0.txt) | |
16 | ||
17 | // See http://www.boost.org for updates, documentation, and revision history. | |
18 | ||
19 | #include <boost/assert.hpp> | |
20 | ||
21 | #include <boost/config.hpp> | |
22 | #if defined(BOOST_NO_STDC_NAMESPACE) | |
23 | namespace std{ using ::memcpy; } | |
24 | #endif | |
25 | ||
26 | #include <boost/iterator/iterator_adaptor.hpp> | |
27 | #include <boost/iterator/iterator_traits.hpp> | |
28 | ||
29 | namespace boost { | |
30 | namespace archive { | |
31 | namespace iterators { | |
32 | ||
33 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 | |
34 | // insert line break every N characters | |
35 | template< | |
36 | class Base, | |
37 | int N, | |
38 | class CharType = typename boost::iterator_value<Base>::type | |
39 | > | |
40 | class insert_linebreaks : | |
41 | public iterator_adaptor< | |
42 | insert_linebreaks<Base, N, CharType>, | |
43 | Base, | |
44 | CharType, | |
45 | single_pass_traversal_tag, | |
46 | CharType | |
47 | > | |
48 | { | |
49 | private: | |
50 | friend class boost::iterator_core_access; | |
51 | typedef iterator_adaptor< | |
52 | insert_linebreaks<Base, N, CharType>, | |
53 | Base, | |
54 | CharType, | |
55 | single_pass_traversal_tag, | |
56 | CharType | |
57 | > super_t; | |
58 | ||
59 | bool equal(const insert_linebreaks<Base, N, CharType> & rhs) const { | |
60 | return | |
61 | // m_count == rhs.m_count | |
62 | // && base_reference() == rhs.base_reference() | |
63 | this->base_reference() == rhs.base_reference() | |
64 | ; | |
65 | } | |
66 | ||
67 | void increment() { | |
68 | if(m_count == N){ | |
69 | m_count = 0; | |
70 | return; | |
71 | } | |
72 | ++m_count; | |
73 | ++(this->base_reference()); | |
74 | } | |
75 | CharType dereference() const { | |
76 | if(m_count == N) | |
77 | return '\n'; | |
78 | return * (this->base_reference()); | |
79 | } | |
80 | unsigned int m_count; | |
81 | public: | |
82 | // make composible buy using templated constructor | |
83 | template<class T> | |
84 | insert_linebreaks(T start) : | |
85 | super_t(Base(static_cast< T >(start))), | |
86 | m_count(0) | |
87 | {} | |
88 | // intel 7.1 doesn't like default copy constructor | |
89 | insert_linebreaks(const insert_linebreaks & rhs) : | |
90 | super_t(rhs.base_reference()), | |
91 | m_count(rhs.m_count) | |
92 | {} | |
93 | }; | |
94 | ||
95 | } // namespace iterators | |
96 | } // namespace archive | |
97 | } // namespace boost | |
98 | ||
99 | #endif // BOOST_ARCHIVE_ITERATORS_INSERT_LINEBREAKS_HPP |