From: Lars Gullik Bjønnes <larsbj@gullik.org>
Date: Tue, 12 Mar 2002 18:11:49 +0000 (+0000)
Subject: optimization
X-Git-Tag: 1.6.10~19664
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=97ffd5e9342d60f84f032713029d71b1eb9ac190;p=lyx.git

optimization


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3736 a592a061-630c-0410-9148-cb99ea01b6c8
---

diff --git a/src/ChangeLog b/src/ChangeLog
index 914f1ed4ca..6d9721a602 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,7 @@
 2002-03-12  Lars Gullik Bjønnes  <larsbj@birdstep.com>
 
+	* lyxtextclass.C (operator): add one item cache optimization.
+
 	* bufferlist.h: doxy changes
 
 	* bufferlist.C: ws changes
diff --git a/src/lyxtextclass.C b/src/lyxtextclass.C
index 6c368bb7b8..7f6a668ff4 100644
--- a/src/lyxtextclass.C
+++ b/src/lyxtextclass.C
@@ -512,6 +512,13 @@ LyXLayout const & LyXTextClass::operator[](string const & n) const
 		lyxerr << "Operator[] called with empty n" << endl;
 	
 	string const name = (n.empty() ? defaultLayoutName() : n);
+
+	static string lastLayoutName;
+	static LayoutList::difference_type lastLayoutIndex;
+
+	if (name == lastLayoutName)
+		return layoutlist[lastLayoutIndex];
+
 	
 	LayoutList::const_iterator cit =
 		find_if(layoutlist.begin(),
@@ -527,6 +534,9 @@ LyXLayout const & LyXTextClass::operator[](string const & n) const
 		lyx::Assert(false);
 	}
 
+	lastLayoutName = name;
+	lastLayoutIndex = std::distance(layoutlist.begin(), cit);
+	
 	return *cit;
 }