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7f74d469a4
* src/Changes.cpp: * src/support/userinfo.cpp: * src/Paragraph.cpp: * src/Changes.h: * src/Buffer.cpp: * src/Paragraph.h: * src/BufferParams.cpp: do not save the name of authors in LyX documents, who have not made a single change in change tracking mode git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@19019 a592a061-630c-0410-9148-cb99ea01b6c8
140 lines
3.2 KiB
C++
140 lines
3.2 KiB
C++
// -*- C++ -*-
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/**
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* \file Changes.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 John Levon
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* \author Michael Gerz
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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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* Record changes in a paragraph.
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*/
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#ifndef CHANGES_H
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#define CHANGES_H
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#include "support/docstream.h"
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#include "support/lyxtime.h"
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#include <vector>
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namespace lyx {
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class AuthorList;
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class Change {
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public:
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/// the type of change
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enum Type {
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UNCHANGED, // no change
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INSERTED, // new text
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DELETED // deleted text
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};
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explicit Change(Type t, int a = 0, time_type ct = current_time())
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: type(t), author(a), changetime(ct) {}
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/// is the change similar to the given change such that both can be merged?
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bool isSimilarTo(Change const & change);
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Type type;
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int author;
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time_type changetime;
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};
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bool operator==(Change const & l, Change const & r);
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bool operator!=(Change const & l, Change const & r);
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class BufferParams;
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class Changes {
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public:
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/// set the pos to the given change
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void set(Change const & change, pos_type pos);
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/// set the range (excluding end) to the given change
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void set(Change const & change, pos_type start, pos_type end);
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/// erase the entry at pos and adjust all range bounds past it
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/// (assumes that a character was deleted at pos)
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void erase(lyx::pos_type pos);
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/// insert a new entry at pos and adjust all range bounds past it
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/// (assumes that a character was inserted at pos)
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void insert(Change const & change, lyx::pos_type pos);
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///
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/// return the change at the given pos
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Change const & lookup(pos_type pos) const;
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/// return true if there is a change in the given range (excluding end)
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bool isChanged(pos_type start, pos_type end) const;
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///
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/// output latex to mark a transition between two change types
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/// returns length of text outputted
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static int latexMarkChange(odocstream & os, BufferParams const & bparams,
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Change const & oldChange, Change const & change);
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/// output .lyx file format for transitions between changes
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static void lyxMarkChange(std::ostream & os, int & column,
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Change const & old, Change const & change);
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///
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void checkAuthors(AuthorList const & authorList);
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private:
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class Range {
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public:
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Range(pos_type s, pos_type e)
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: start(s), end(e) {}
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// does this range contain r ? (inlined as the result of profiling)
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bool contains(Range const & r) const {
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return r.start >= start && r.end <= end;
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}
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// does this range contain pos ? (inlined as the result of profiling)
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bool contains(pos_type pos) const {
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return pos >= start && pos < end;
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}
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// do the ranges intersect ?
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bool intersects(Range const & r) const;
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pos_type start;
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pos_type end; // Caution: end is not in the range!
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};
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friend bool operator==(Range const & r1, Range const & r2);
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friend bool operator!=(Range const & r1, Range const & r2);
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class ChangeRange {
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public:
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ChangeRange(Change const & c, Range const & r)
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: change(c), range(r) {}
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Change change;
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Range range;
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};
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/// merge equal changes with adjoining ranges
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void merge();
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typedef std::vector<ChangeRange> ChangeTable;
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/// table of changes, every row a change and range descriptor
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ChangeTable table_;
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};
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} // namespace lyx
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#endif // CHANGES_H
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