#include "CursorSlice.h"
#include <vector>
-#include <iosfwd>
namespace lyx {
-class LyXText;
+class LyXErr;
class MathAtom;
class Paragraph;
-
-
-// only needed for gcc 2.95, remove when support terminated
-template <typename A, typename B>
-bool ptr_cmp(A const * a, B const * b)
-{
- return a == b;
-}
+class Text;
// The public inheritance should go in favour of a suitable data member
///
DocIterator();
///
- explicit DocIterator(InsetBase & inset);
+ explicit DocIterator(Inset & inset);
/// access slice at position \p i
CursorSlice const & operator[](size_t i) const { return slices_[i]; }
/// how many nested insets do we have?
size_t depth() const { return slices_.size(); }
/// the containing inset
- InsetBase & inset() const { return top().inset(); }
+ Inset & inset() const { return top().inset(); }
/// return the cell of the inset this cursor is in
idx_type idx() const { return top().idx(); }
/// return the cell of the inset this cursor is in
/// return the last column of the top grid
col_type lastcol() const { return ncols() - 1; }
/// the inset just behind the cursor
- InsetBase * nextInset();
+ Inset * nextInset() const;
/// the inset just in front of the cursor
- InsetBase * prevInset();
- /// the inset just in front of the cursor
- InsetBase const * prevInset() const;
+ Inset * prevInset() const;
///
bool boundary() const { return boundary_; }
///
// math-specific part
//
/// return the mathed cell this cursor is in
- MathData const & cell() const;
- /// return the mathed cell this cursor is in
- MathData & cell();
+ MathData & cell() const;
/// the mathatom left of the cursor
- MathAtom const & prevAtom() const;
- /// the mathatom left of the cursor
- MathAtom & prevAtom();
- /// the mathatom right of the cursor
- MathAtom const & nextAtom() const;
+ MathAtom & prevAtom() const;
/// the mathatom right of the cursor
- MathAtom & nextAtom();
+ MathAtom & nextAtom() const;
- //
// text-specific part
//
- /// the paragraph we're in
- Paragraph & paragraph();
- /// the paragraph we're in
- Paragraph const & paragraph() const;
- ///
- LyXText * text();
+ /// the paragraph we're in in text mode.
+ /// \warning only works within text!
+ Paragraph & paragraph() const;
+ /// the paragraph we're in in any case.
+ /// This method will give the containing paragraph even
+ /// if not in text mode (ex: in mathed).
+ Paragraph & innerParagraph() const;
+ /// return the inner text slice.
+ CursorSlice const & innerTextSlice() const;
///
- LyXText const * text() const;
+ Text * text() const;
/// the containing inset or the cell, respectively
- InsetBase * realInset() const;
+ Inset * realInset() const;
///
- InsetBase * innerInsetOfType(int code) const;
+ Inset * innerInsetOfType(int code) const;
///
- LyXText * innerText();
- ///
- LyXText const * innerText() const;
+ Text * innerText() const;
//
// elementary moving
//
- /// move on one logical position, do not descend into nested insets
- void forwardPosNoDescend();
/**
* move on one logical position, descend into nested insets
- * skip collapsed insets if \p ignorecollapsed is true
+ * including collapsed insets
*/
- void forwardPos(bool ignorecollapsed = false);
+ void forwardPos();
+ /**
+ * move on one logical position, descend into nested insets
+ * skip collapsed insets
+ */
+ void forwardPosIgnoreCollapsed();
/// move on one physical character or inset
void forwardChar();
/// move on one paragraph
void forwardPar();
- /// move on one cell
- void forwardIdx();
/// move on one inset
void forwardInset();
/// move backward one logical position
void backwardChar();
/// move backward one paragraph
void backwardPar();
- /// move backward one cell
- void backwardIdx();
/// move backward one inset
/// FIXME: This is not implemented!
//void backwardInset();
/// output
friend std::ostream &
operator<<(std::ostream & os, DocIterator const & cur);
+ friend LyXErr & operator<<(LyXErr & os, DocIterator const & it);
///
friend bool operator==(DocIterator const &, DocIterator const &);
+ friend bool operator<(DocIterator const &, DocIterator const &);
+ friend bool operator>(DocIterator const &, DocIterator const &);
+ friend bool operator<=(DocIterator const &, DocIterator const &);
///
friend class StableDocIterator;
//protected:
///
void pop_back() { slices_.pop_back(); }
/// recompute the inset parts of the cursor from the document data
- void updateInsets(InsetBase * inset);
+ void updateInsets(Inset * inset);
+ /// fix DocIterator in circumstances that should never happen.
+ /// \return true if the DocIterator was fixed.
+ bool fixIfBroken();
+
+ /// find index of CursorSlice with &cell() == &cell (or -1 if not found)
+ idx_type find(MathData const & cell) const;
+ /// find index of CursorSlice with inset() == inset (or -1 of not found)
+ idx_type find(InsetMath const * inset) const;
+ /// cut off CursorSlices with index > above and store cut off slices in cut
+ void cutOff(idx_type above, std::vector<CursorSlice> & cut);
+ /// cut off CursorSlices with index > above
+ void cutOff(idx_type above);
+ /// push CursorSlices on top
+ void append(std::vector<CursorSlice> const & x);
+ /// push one CursorSlice on top and set its index and position
+ void append(idx_type idx, pos_type pos);
private:
/**
///
std::vector<CursorSlice> slices_;
///
- InsetBase * inset_;
+ Inset * inset_;
};
-DocIterator doc_iterator_begin(InsetBase & inset);
-DocIterator doc_iterator_end(InsetBase & inset);
+DocIterator doc_iterator_begin(Inset & inset);
+DocIterator doc_iterator_end(Inset & inset);
-inline
-bool operator==(DocIterator const & di1, DocIterator const & di2)
+inline bool operator==(DocIterator const & di1, DocIterator const & di2)
{
return di1.slices_ == di2.slices_;
}
-inline
-bool operator!=(DocIterator const & di1, DocIterator const & di2)
+inline bool operator!=(DocIterator const & di1, DocIterator const & di2)
{
return !(di1 == di2);
}
+inline
+bool operator<(DocIterator const & p, DocIterator const & q)
+{
+ size_t depth = std::min(p.depth(), q.depth());
+ for (size_t i = 0 ; i < depth ; ++i) {
+ if (p[i] != q[i])
+ return p[i] < q[i];
+ }
+ return p.depth() < q.depth();
+}
+
+
+inline
+bool operator>(DocIterator const & p, DocIterator const & q)
+{
+ return q < p;
+}
+
+
+inline
+bool operator<=(DocIterator const & p, DocIterator const & q)
+{
+ return !(q < p);
+}
+
+
// The difference to a ('non stable') DocIterator is the removed
// (overwritten by 0...) part of the CursorSlice data items. So this thing
// is suitable for external storage, but not for iteration as such.
/// non-explicit intended
StableDocIterator(const DocIterator & it);
///
- DocIterator asDocIterator(InsetBase * start) const;
+ DocIterator asDocIterator(Inset * start) const;
///
size_t size() const { return data_.size(); }
/// return the position within the paragraph