From e2ac00d7e452d30d4fc005647d503fd247c13ba5 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Fri, 17 May 2019 09:02:10 +1000
Subject: Optimize InsertLines and DeleteLines for ContractionState if no folds
 contracted.

---
 src/ContractionState.cxx | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/ContractionState.cxx b/src/ContractionState.cxx
index 565f9e141..8b5821470 100644
--- a/src/ContractionState.cxx
+++ b/src/ContractionState.cxx
@@ -210,16 +210,24 @@ Sci::Line ContractionState<LINE>::DocFromDisplay(Sci::Line lineDisplay) const {
 
 template <typename LINE>
 void ContractionState<LINE>::InsertLines(Sci::Line lineDoc, Sci::Line lineCount) {
-	for (Sci::Line l = 0; l < lineCount; l++) {
-		InsertLine(lineDoc + l);
+	if (OneToOne()) {
+		linesInDocument += static_cast<LINE>(lineCount);
+	} else {
+		for (Sci::Line l = 0; l < lineCount; l++) {
+			InsertLine(lineDoc + l);
+		}
 	}
 	Check();
 }
 
 template <typename LINE>
 void ContractionState<LINE>::DeleteLines(Sci::Line lineDoc, Sci::Line lineCount) {
-	for (Sci::Line l = 0; l < lineCount; l++) {
-		DeleteLine(lineDoc);
+	if (OneToOne()) {
+		linesInDocument -= static_cast<LINE>(lineCount);
+	} else {
+		for (Sci::Line l = 0; l < lineCount; l++) {
+			DeleteLine(lineDoc);
+		}
 	}
 	Check();
 }
-- 
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