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 equal(const insert_linebreaks<Base,N,CharType> & rhs) const59 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 increment()67 void increment() { 68 if(m_count == N){ 69 m_count = 0; 70 return; 71 } 72 ++m_count; 73 ++(this->base_reference()); 74 } dereference() const75 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> insert_linebreaks(T start)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 insert_linebreaks(const insert_linebreaks & rhs)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 100