From 00c771cecda620db28cec9e4c50830f542e3a829 Mon Sep 17 00:00:00 2001
From: nyamatongwe <unknown>
Date: Sat, 26 May 2012 15:15:07 +1000
Subject: Add GetRangePointer and GetGapPosition methods.

---
 src/CellBuffer.cxx |  8 ++++++++
 src/CellBuffer.h   |  2 ++
 src/Document.h     |  2 ++
 src/Editor.cxx     |  6 ++++++
 src/SplitVector.h  | 18 ++++++++++++++++++
 5 files changed, 36 insertions(+)

(limited to 'src')

diff --git a/src/CellBuffer.cxx b/src/CellBuffer.cxx
index 19f6670f6..11b8b4acd 100644
--- a/src/CellBuffer.cxx
+++ b/src/CellBuffer.cxx
@@ -375,6 +375,14 @@ const char *CellBuffer::BufferPointer() {
 	return substance.BufferPointer();
 }
 
+const char *CellBuffer::RangePointer(int position, int rangeLength) {
+	return substance.RangePointer(position, rangeLength);
+}
+
+int CellBuffer::GapPosition() const {
+	return substance.GapPosition();
+}
+
 // The char* returned is to an allocation owned by the undo history
 const char *CellBuffer::InsertString(int position, const char *s, int insertLength, bool &startSequence) {
 	char *data = 0;
diff --git a/src/CellBuffer.h b/src/CellBuffer.h
index a82a3973b..388b9027b 100644
--- a/src/CellBuffer.h
+++ b/src/CellBuffer.h
@@ -157,6 +157,8 @@ public:
 	char StyleAt(int position) const;
 	void GetStyleRange(unsigned char *buffer, int position, int lengthRetrieve) const;
 	const char *BufferPointer();
+	const char *RangePointer(int position, int rangeLength);
+	int GapPosition() const;
 
 	int Length() const;
 	void Allocate(int newSize);
diff --git a/src/Document.h b/src/Document.h
index 18bf00a3d..7e03f3d9e 100644
--- a/src/Document.h
+++ b/src/Document.h
@@ -298,6 +298,8 @@ public:
 	void SetSavePoint();
 	bool IsSavePoint() { return cb.IsSavePoint(); }
 	const char * SCI_METHOD BufferPointer() { return cb.BufferPointer(); }
+	const char *RangePointer(int position, int rangeLength) { return cb.RangePointer(position, rangeLength); }
+	int GapPosition() const { return cb.GapPosition(); }
 
 	int SCI_METHOD GetLineIndentation(int line);
 	void SetLineIndentation(int line, int indent);
diff --git a/src/Editor.cxx b/src/Editor.cxx
index c3a4eafb4..8aea4db1d 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -8910,6 +8910,12 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 	case SCI_GETCHARACTERPOINTER:
 		return reinterpret_cast<sptr_t>(pdoc->BufferPointer());
 
+	case SCI_GETRANGEPOINTER:
+		return reinterpret_cast<sptr_t>(pdoc->RangePointer(wParam, lParam));
+
+	case SCI_GETGAPPOSITION:
+		return pdoc->GapPosition();
+
 	case SCI_SETEXTRAASCENT:
 		vs.extraAscent = wParam;
 		InvalidateStyleRedraw();
diff --git a/src/SplitVector.h b/src/SplitVector.h
index 44d5ddc0e..0ccf6c9f4 100644
--- a/src/SplitVector.h
+++ b/src/SplitVector.h
@@ -261,6 +261,24 @@ public:
 		body[lengthBody] = 0;
 		return body;
 	}
+
+	T *RangePointer(int position, int rangeLength) {
+		if (position < part1Length) {
+			if ((position + rangeLength) > part1Length) {
+				// Range overlaps gap, so move gap to start of range.
+				GapTo(position);
+				return body + position + gapLength;
+			} else {
+				return body + position ;
+			}
+		} else {
+			return body + position + gapLength;
+		}
+	}
+
+	int GapPosition() const {
+		return part1Length; 
+	}
 };
 
 #endif
-- 
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