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126 lines
3.0 KiB
C++
126 lines
3.0 KiB
C++
// -*- C++ -*-
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/* \file ParIterator.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author unknown
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* \author Lars Gullik Bjønnes
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef PARITERATOR_H
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#define PARITERATOR_H
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#include "DocIterator.h"
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#include "support/types.h"
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namespace lyx {
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class Buffer;
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class Inset;
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class Paragraph;
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class ParagraphList;
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class ParIterator : public std::iterator<std::forward_iterator_tag, Paragraph>,
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public DocIterator
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{
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public:
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typedef std::iterator<std::forward_iterator_tag, Paragraph> StdIt;
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typedef StdIt::value_type value_type;
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typedef StdIt::difference_type difference_type;
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typedef StdIt::pointer pointer;
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typedef StdIt::reference reference;
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///
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///
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ParIterator(Buffer * buf) : DocIterator(buf) {}
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///
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ParIterator(ParIterator const & pi) :
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DocIterator(DocIterator(pi)) {}
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///
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explicit ParIterator(DocIterator const & dit) :
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DocIterator(dit) {}
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/// This really should be implemented...
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//ParIterator & operator=(ParIterator const &);
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///
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ParIterator & operator++();
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///
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ParIterator operator++(int);
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/// See comment in ParIterator.cpp
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//ParIterator & operator--();
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///
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Paragraph & operator*() const;
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///
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Paragraph * operator->() const;
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/// This gives us the top-most parent paragraph
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pit_type outerPar() const;
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///
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pit_type pit() const;
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///
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/// return the paragraph this cursor is in
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pit_type & pit() { return DocIterator::pit(); }
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ParagraphList & plist() const;
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};
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ParIterator par_iterator_begin(Inset & inset);
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ParIterator par_iterator_end(Inset & inset);
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///
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//bool operator==(ParIterator const & it1, ParIterator const & it2);
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// FIXME: Unfortunately operator!=(ParIterator &, ParIterator &) is
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// implemented with operator!=(DocIterator &, DocIterator &) that gives
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// false if the positions are different, even if the pars are the same.
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// So ultimately it's a bug in operator!=(ParIterator &, ParIterator &)
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// I'd say (nevertheless, I would be reluctant to change it, because I
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// fear that some part of the code could rely on this "bug". --Alfredo
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//bool operator!=(ParIterator const & it1, ParIterator const & it2);
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class ParConstIterator : public std::iterator<std::forward_iterator_tag,
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Paragraph>,
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public DocIterator
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{
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public:
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///
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ParConstIterator(Buffer const * buf)
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: DocIterator(const_cast<Buffer *>(buf)) {}
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///
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ParConstIterator(ParConstIterator const & pi)
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: DocIterator(DocIterator(pi)) {}
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///
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explicit ParConstIterator(DocIterator const & dit)
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: DocIterator(dit) {}
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///
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void push_back(Inset const &);
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ParConstIterator & operator++();
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///
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ParConstIterator & operator--();
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///
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Paragraph const & operator*() const;
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///
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Paragraph const * operator->() const;
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///
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ParagraphList const & plist() const;
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};
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//bool operator==(ParConstIterator const & it1, ParConstIterator const & it2);
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//bool operator!=(ParConstIterator const & it1, ParConstIterator const & it2);
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} // namespace lyx
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#endif
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