Optional indexing of line starts in UTF-8 documents by UTF-32 code points and

UTF-16 code units added.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/Document.h b/src/Document.h
index e1613cb20..0ef967e09 100644
--- a/src/Document.h
+++ b/src/Document.h
@@ -389,6 +389,8 @@ public:
 	bool IsLineEndPosition(Sci::Position position) const;
 	bool IsPositionInLineEnd(Sci::Position position) const;
 	Sci::Position VCHomePosition(Sci::Position position) const;
+	Sci::Position IndexLineStart(Sci::Line line, int lineCharacterIndex) const;
+	Sci::Line LineFromPositionIndex(Sci::Position pos, int lineCharacterIndex) const;
 
 	int SCI_METHOD SetLevel(Sci_Position line, int level) override;
 	int SCI_METHOD GetLevel(Sci_Position line) const override;
@@ -414,6 +416,9 @@ public:
 	void SetCaseFolder(CaseFolder *pcf_);
 	Sci::Position FindText(Sci::Position minPos, Sci::Position maxPos, const char *search, int flags, Sci::Position *length);
 	const char *SubstituteByPosition(const char *text, Sci::Position *length);
+	int LineCharacterIndex() const;
+	void AllocateLineCharacterIndex(int lineCharacterIndex);
+	void ReleaseLineCharacterIndex(int lineCharacterIndex);
 	Sci::Line LinesTotal() const noexcept;
 
 	void SetDefaultCharClasses(bool includeWordClass);