From e13db53a9aee6064caeee62b1833f84d006a3439 Mon Sep 17 00:00:00 2001
From: Alexander Neundorf <neundorf@kde.org>
Date: Sun, 17 Feb 2008 12:31:29 -0500
Subject: [PATCH] PERF: reduce time for full docs as HTML from 1.4 s to 0.2 s,
 the map is now created and filled only once instead for every character I
 guess a simple case-switch would be still faster.

Alex
---
 Source/cmDocumentationFormatterHTML.cxx | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/Source/cmDocumentationFormatterHTML.cxx b/Source/cmDocumentationFormatterHTML.cxx
index 175bc8d68..7422ef458 100644
--- a/Source/cmDocumentationFormatterHTML.cxx
+++ b/Source/cmDocumentationFormatterHTML.cxx
@@ -32,11 +32,14 @@ static bool cmDocumentationIsHyperlinkChar(char c)
 static void cmDocumentationPrintHTMLChar(std::ostream& os, char c)
 {
   // Use an escape sequence if necessary.
-  std::map<char,std::string> escapes;
-  escapes['<'] = "&lt;";
-  escapes['>'] = "&gt;";
-  escapes['&'] = "&amp;";
-  escapes['\n'] = "<br>";
+  static std::map<char,std::string> escapes;
+  if (escapes.empty())
+    {
+    escapes['<'] = "&lt;";
+    escapes['>'] = "&gt;";
+    escapes['&'] = "&amp;";
+    escapes['\n'] = "<br>";
+    }
 
   if (escapes.find(c) == escapes.end())
     {