100 lines
2.7 KiB
Plaintext
100 lines
2.7 KiB
Plaintext
#ifndef BOOST_ARCHIVE_ITERATORS_INSERT_LINEBREAKS_HPP
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#define BOOST_ARCHIVE_ITERATORS_INSERT_LINEBREAKS_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER)
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# pragma once
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#endif
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// insert_linebreaks.hpp
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for updates, documentation, and revision history.
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#include <boost/assert.hpp>
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#include <boost/config.hpp>
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#if defined(BOOST_NO_STDC_NAMESPACE)
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namespace std{ using ::memcpy; }
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#endif
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#include <boost/iterator/iterator_adaptor.hpp>
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#include <boost/iterator/iterator_traits.hpp>
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namespace boost {
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namespace archive {
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namespace iterators {
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// insert line break every N characters
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template<
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class Base,
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int N,
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class CharType = typename boost::iterator_value<Base>::type
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>
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class insert_linebreaks :
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public iterator_adaptor<
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insert_linebreaks<Base, N, CharType>,
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Base,
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CharType,
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single_pass_traversal_tag,
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CharType
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>
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{
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private:
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friend class boost::iterator_core_access;
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typedef iterator_adaptor<
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insert_linebreaks<Base, N, CharType>,
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Base,
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CharType,
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single_pass_traversal_tag,
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CharType
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> super_t;
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bool equal(const insert_linebreaks<Base, N, CharType> & rhs) const {
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return
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// m_count == rhs.m_count
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// && base_reference() == rhs.base_reference()
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this->base_reference() == rhs.base_reference()
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;
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}
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void increment() {
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if(m_count == N){
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m_count = 0;
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return;
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}
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++m_count;
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++(this->base_reference());
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}
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CharType dereference() const {
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if(m_count == N)
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return '\n';
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return * (this->base_reference());
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}
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unsigned int m_count;
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public:
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// make composible buy using templated constructor
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template<class T>
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insert_linebreaks(T start) :
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super_t(Base(static_cast< T >(start))),
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m_count(0)
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{}
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// intel 7.1 doesn't like default copy constructor
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insert_linebreaks(const insert_linebreaks & rhs) :
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super_t(rhs.base_reference()),
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m_count(rhs.m_count)
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{}
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};
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} // namespace iterators
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} // namespace archive
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} // namespace boost
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#endif // BOOST_ARCHIVE_ITERATORS_INSERT_LINEBREAKS_HPP
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