lyx_mirror/src/iterators.h
Lars Gullik Bjønnes 260c7f3187 The InsetList
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4933 a592a061-630c-0410-9148-cb99ea01b6c8
2002-08-11 15:03:52 +00:00

78 lines
1.2 KiB
C++

// -*- C++ -*-
#ifndef ITERATORS_H
#define ITERATORS_H
#include <stack>
#include "paragraph.h"
class ParPosition {
public:
ParPosition(Paragraph * p)
: par(p), it(p->insetlist.begin()), index(-1) {}
///
Paragraph * par;
///
InsetList::iterator it;
///
int index;
};
inline
bool operator==(ParPosition const & pos1, ParPosition const & pos2) {
return pos1.par == pos2.par &&
pos1.it == pos2.it &&
pos1.index == pos2.index;
}
inline
bool operator!=(ParPosition const & pos1, ParPosition const & pos2) {
return !(pos1 == pos2);
}
class ParIterator {
public:
///
typedef std::stack<ParPosition> PosHolder;
///
ParIterator() {}
///
ParIterator(Paragraph * par) {
positions.push(ParPosition(par));
}
///
ParIterator & operator++();
///
Paragraph * operator*() {
return positions.top().par;
}
///
PosHolder::size_type size() const
{ return positions.size(); }
///
friend
bool operator==(ParIterator const & iter1, ParIterator const & iter2);
private:
///
PosHolder positions;
};
///
inline
bool operator==(ParIterator const & iter1, ParIterator const & iter2) {
return iter1.positions == iter2.positions;
}
///
inline
bool operator!=(ParIterator const & iter1, ParIterator const & iter2) {
return !(iter1 == iter2);
}
#endif