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58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
//
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// Created by mwo on 24/05/15.
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//
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// source: http://codereview.stackexchange.com/questions/13176/infix-iterator-code
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// infix_iterator.h
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#if !defined(INFIX_ITERATOR_H_)
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#define INFIX_ITERATOR_H_
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#include <ostream>
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#include <iterator>
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#include <string>
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template <class T, class charT=char, class traits=std::char_traits<charT> >
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class infix_ostream_iterator :
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public std::iterator<std::output_iterator_tag, void, void, void, void>
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{
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std::basic_ostream<charT,traits> *os;
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std::basic_string<charT> delimiter;
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std::basic_string<charT> real_delim;
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public:
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typedef charT char_type;
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typedef traits traits_type;
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typedef std::basic_ostream<charT, traits> ostream_type;
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infix_ostream_iterator(ostream_type &s)
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: os(&s)
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{}
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infix_ostream_iterator(ostream_type &s, charT const *d)
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: os(&s),
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real_delim(d)
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{}
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infix_ostream_iterator<T, charT, traits> &operator=(T const &item)
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{
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*os << delimiter << item;
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delimiter = real_delim;
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return *this;
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}
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infix_ostream_iterator<T, charT, traits> &operator*() {
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return *this;
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}
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infix_ostream_iterator<T, charT, traits> &operator++() {
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return *this;
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}
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infix_ostream_iterator<T, charT, traits> &operator++(int) {
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return *this;
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}
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};
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#endif
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