* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author André Pönitz
+ * \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include "CursorSlice.h"
#include <vector>
-
+#include <algorithm>
namespace lyx {
+class DocIterator;
+class Encoding;
+class FontSpan;
+class InsetIterator;
class LyXErr;
class MathAtom;
class Paragraph;
class Text;
-class InsetIterator;
+
+DocIterator doc_iterator_begin(Buffer const * buf, Inset const * inset = 0);
+DocIterator doc_iterator_end(Buffer const * buf, Inset const * inset = 0);
-// The public inheritance should go in favour of a suitable data member
-// (or maybe private inheritance) at some point of time.
-class DocIterator // : public std::vector<CursorSlice>
+class DocIterator
{
public:
/// type for cell number in inset
public:
///
DocIterator();
+ ///
+ explicit DocIterator(Buffer *buf);
+
+ /// access to owning buffer
+ Buffer * buffer() const { return buffer_; }
+ /// access to owning buffer
+ void setBuffer(Buffer * buf) { buffer_ = buf; }
+
+ /// Clone this for given \p buffer.
+ /// \p buffer must be a clone of buffer_.
+ DocIterator clone(Buffer * buffer) const;
/// access slice at position \p i
CursorSlice const & operator[](size_t i) const { return slices_[i]; }
void resize(size_t i) { slices_.resize(i); }
/// is the iterator valid?
- operator const void*() const { return empty() ? 0 : this; }
- /// is this iterator invalid?
- bool operator!() const { return empty(); }
+ explicit operator bool() const { return !empty(); }
/// does this iterator have any content?
bool empty() const { return slices_.empty(); }
/// is this the end position?
bool atEnd() const { return slices_.empty(); }
+ /// checks the cursor slices for disabled spell checker insets
+ bool allowSpellCheck() const;
+
//
// access to slice at tip
//
/// return the last column of the top grid
col_type lastcol() const { return ncols() - 1; }
/// the inset just behind the cursor
+ /// returns 0 if there is no inset (e.g. normal text)
Inset * nextInset() const;
/// the inset just in front of the cursor
Inset * prevInset() const;
/// are we in texted?.
bool inTexted() const
{ return !empty() && !inset().inMathed(); }
+ /// are we in regexp-mode ?
+ bool inRegexped() const;
//
// math-specific part
//
/// return the mathed cell this cursor is in
MathData & cell() const;
+ ///
+ InsetMath & nextMath();
+ ///
+ InsetMath & prevMath();
/// the mathatom left of the cursor
MathAtom & prevAtom() const;
/// the mathatom right of the cursor
Paragraph & innerParagraph() const;
/// return the inner text slice.
CursorSlice const & innerTextSlice() const;
+ // convert a DocIterator into an argument to LFUN_PARAGRAPH_GOTO
+ docstring paragraphGotoArgument() const;
+ /// returns a DocIterator for the containing text inset
+ DocIterator getInnerText() const;
+ /// the first and last positions of a word at top cursor slice
+ /// \warning only works within text!
+ FontSpan locateWord(word_location const loc) const;
///
Text * text() const;
/// the containing inset or the cell, respectively
//
// elementary moving
//
+ /// move one step backwards
+ bool posBackward();
+ /// move one step forward
+ bool posForward();
/**
* move on one logical position, descend into nested insets
* including collapsed insets
void forwardChar();
/// move on one paragraph
void forwardPar();
- /// move on one inset
+ /// move on to the next closest inset
void forwardInset();
/// move backward one logical position
void backwardPos();
/// move backward one paragraph
void backwardPar();
/// move backward one inset
- /// FIXME: This is not implemented!
+ /// not used currently, uncomment if you need it
//void backwardInset();
/// are we some 'extension' (i.e. deeper nested) of the given iterator
/// fix DocIterator in circumstances that should never happen.
/// \return true if the DocIterator was fixed.
bool fixIfBroken();
+ /// Repopulate the slices insets from bottom to top. Useful
+ /// for stable iterators or Undo data.
+ void sanitize();
+ ///
+ bool isInside(Inset const *) const;
+ /// make sure we are outside of given inset
+ void leaveInset(Inset const & inset);
/// find index of CursorSlice with &cell() == &cell (or -1 if not found)
int find(MathData const & cell) const;
/// find index of CursorSlice with inset() == inset (or -1 of not found)
- int find(InsetMath const * inset) const;
+ int find(Inset const * inset) const;
/// cut off CursorSlices with index > above and store cut off slices in cut.
void cutOff(int above, std::vector<CursorSlice> & cut);
/// cut off CursorSlices with index > above
/// push one CursorSlice on top and set its index and position
void append(idx_type idx, pos_type pos);
+ ///
+ docstring getPossibleLabel() const;
+
+ ///
+ Encoding const * getEncoding() const;
private:
friend class InsetIterator;
- friend DocIterator doc_iterator_begin(Inset & inset);
- friend DocIterator doc_iterator_end(Inset & inset);
+ friend DocIterator doc_iterator_begin(Buffer const * buf, Inset const * inset);
+ friend DocIterator doc_iterator_end(Buffer const * buf, Inset const * inset);
///
- explicit DocIterator(Inset & inset);
+ explicit DocIterator(Buffer * buf, Inset * inset);
/**
* Normally, when the cursor is at position i, it is painted *before*
- * the character at position i. However, what if we want the cursor
+ * the character at position i. However, what if we want the cursor
* painted *after* position i? That's what boundary_ is for: if
* boundary_==true, the cursor is painted *after* position i-1, instead
* of before position i.
*
* Note 1: Usually, after i-1 or before i are actually the same place!
- * However, this is not the case when i-1 and i are not painted
+ * However, this is not the case when i-1 and i are not painted
* contiguously, and in these cases we sometimes do want to have control
* over whether to paint before i or after i-1.
* Some concrete examples of where this happens:
* a. i-1 at the end of one row, i at the beginning of next row
* b. in bidi text, at transitions between RTL and LTR or vice versa
*
- * Note 2: Why i and i-1? Why, if boundary_==false means: *before* i,
- * couldn't boundary_==true mean: *after* i?
- * Well, the reason is this: cursor position is not used only for
+ * Note 2: Why i and i-1? Why, if boundary_==false means: *before* i,
+ * couldn't boundary_==true mean: *after* i?
+ * Well, the reason is this: cursor position is not used only for
* painting the cursor, but it also affects other things, for example:
* where the next insertion will be placed (it is inserted at the current
* position, pushing anything at the current position and beyond forward).
*/
bool boundary_;
///
- std::vector<CursorSlice> const & internalData() const {
- return slices_;
- }
+ std::vector<CursorSlice> const & internalData() const { return slices_; }
///
std::vector<CursorSlice> slices_;
///
Inset * inset_;
+ ///
+ Buffer * buffer_;
};
-DocIterator doc_iterator_begin(Inset & inset);
-DocIterator doc_iterator_end(Inset & inset);
-
-
inline bool operator==(DocIterator const & di1, DocIterator const & di2)
{
return di1.slices_ == di2.slices_;
}
-inline
+inline
bool operator>(DocIterator const & p, DocIterator const & q)
{
return q < p;
}
-inline
+inline
bool operator<=(DocIterator const & p, DocIterator const & q)
{
return !(q < p);
}
+inline
+bool operator>=(DocIterator const & p, DocIterator const & q)
+{
+ return !(p < q);
+}
+
+
// 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.
-class StableDocIterator {
+class StableDocIterator
+{
public:
///
StableDocIterator() {}
/// non-explicit intended
StableDocIterator(const DocIterator & it);
///
- DocIterator asDocIterator(Inset * start) const;
+ DocIterator asDocIterator(Buffer * buf) const;
///
size_t size() const { return data_.size(); }
/// return the position within the paragraph
std::vector<CursorSlice> data_;
};
-
} // namespace lyx
-#endif
+#endif // DOCITERATOR_H