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document Selection class

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This commit is contained in:
Maxime Coste 2012-02-27 20:01:59 +00:00
parent 5bddd166f1
commit bc3d20bf2a
1 changed files with 11 additions and 0 deletions
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11
src/selection.hh
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@ -6,6 +6,12 @@
namespace Kakoune namespace Kakoune
{ {
// A Selection holds a buffer range
//
// The Selection class manage a (first, last) buffer iterators pair.
// Selections are oriented, first may be > last, and inclusive.
// Selection updates it's iterators according to modifications made
// in the buffer.
struct Selection : public ModificationListener struct Selection : public ModificationListener
{ {
Selection(const BufferIterator& first, const BufferIterator& last); Selection(const BufferIterator& first, const BufferIterator& last);
@ -14,7 +20,9 @@ struct Selection : public ModificationListener
Selection& operator=(const Selection& other); Selection& operator=(const Selection& other);
// returns min(first, last)
BufferIterator begin() const; BufferIterator begin() const;
// returns max(first, last) + 1
BufferIterator end() const; BufferIterator end() const;
const BufferIterator& first() const { return m_first; } const BufferIterator& first() const { return m_first; }
@ -35,6 +43,9 @@ private:
typedef std::vector<Selection> SelectionList; typedef std::vector<Selection> SelectionList;
typedef std::vector<BufferString> CaptureList; typedef std::vector<BufferString> CaptureList;
// Selections are often associated with a capture list
// like when they are created from a regex match with
// capture groups.
struct SelectionAndCaptures struct SelectionAndCaptures
{ {
Selection selection; Selection selection;