From 7e77559b6f79dbf7e96073ac5a90f9b8ff0270c9 Mon Sep 17 00:00:00 2001
From: Michael Meeks <michael.meeks@collabora.com>
Date: Fri, 11 Oct 2013 22:51:44 +0100
Subject: oox: special-case single-character a-z token mapping.

Change-Id: I58a810cc6062d5b42558dd5c0f37426a8a210f40
---
 oox/source/token/tokenmap.cxx | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'oox')

diff --git a/oox/source/token/tokenmap.cxx b/oox/source/token/tokenmap.cxx
index 5460b7c959eb..ea3e621e3792 100644
--- a/oox/source/token/tokenmap.cxx
+++ b/oox/source/token/tokenmap.cxx
@@ -79,6 +79,13 @@ TokenMap::TokenMap() :
             append( nToken ).append( ", '" ).append( aUtf8Name ).append( '\'' ).getStr() );
     }
 #endif
+
+    for (unsigned char c = 'a'; c <= 'z'; c++)
+    {
+        struct xmltoken* pToken = Perfect_Hash::in_word_set(
+                reinterpret_cast< const char* >( &c ), 1 );
+        mnAlphaTokens[ c - 'a' ] = pToken ? pToken->nToken : XML_TOKEN_INVALID;
+    }
 }
 
 TokenMap::~TokenMap()
@@ -108,6 +115,13 @@ Sequence< sal_Int8 > TokenMap::getUtf8TokenName( sal_Int32 nToken ) const
 
 sal_Int32 TokenMap::getTokenFromUtf8( const Sequence< sal_Int8 >& rUtf8Name ) const
 {
+    // 50% of OOXML tokens are primarily 1 lower-case character, a-z
+    if( rUtf8Name.getLength() == 1)
+    {
+        sal_Char c = rUtf8Name[0];
+        if (c >= 'a' && c <= 'z')
+            return mnAlphaTokens[ c - 'a' ];
+    }
     struct xmltoken* pToken = Perfect_Hash::in_word_set(
         reinterpret_cast< const char* >( rUtf8Name.getConstArray() ), rUtf8Name.getLength() );
     return pToken ? pToken->nToken : XML_TOKEN_INVALID;
-- 
cgit