From e90e8b6d4fbec2af89f387c38299b7e21514b99e Mon Sep 17 00:00:00 2001
From: Oliver Bolte <obo@openoffice.org>
Date: Wed, 5 Aug 2009 12:39:09 +0000
Subject: CWS-TOOLING: integrate CWS gciteratorfix 2009-08-04 10:23:19 +0200 od
  r274608 : add missing patch flags for libaries swui, msword and xo
 2009-08-03 16:42:48 +0200 mav  r274586 : #i101899# workaround the wrong error
 code on MAC 2009-08-03 13:24:44 +0200 tl  r274575 : #i103936# fix for grammar
 checking loop 2009-08-03 12:37:37 +0200 tl  r274573 : #i103936# fix for
 grammar checking loop 2009-08-03 12:10:01 +0200 tl  r274572 : #i103936# fix
 for grammar checking loop 2009-08-03 09:06:49 +0200 tl  r274565 : #i103936#
 fix for grammar checking loop 2009-08-03 09:04:50 +0200 tl  r274564 :
 #i103936# fix for grammar checking loop 2009-07-31 17:52:45 +0200 tl  r274545
 : #i103936# fix for grammar checking loop

---
 linguistic/source/gciterator.cxx | 38 ++++++++++++++++++++++++++++++--------
 1 file changed, 30 insertions(+), 8 deletions(-)

diff --git a/linguistic/source/gciterator.cxx b/linguistic/source/gciterator.cxx
index 4f555aeef8..94caf22eec 100644
--- a/linguistic/source/gciterator.cxx
+++ b/linguistic/source/gciterator.cxx
@@ -191,7 +191,7 @@ static sal_Int32 lcl_SkipWhiteSpaces( const OUString &rText, sal_Int32 nStartPos
 
 static sal_Int32 lcl_BacktraceWhiteSpaces( const OUString &rText, sal_Int32 nStartPos )
 {
-    // note having nStartPos point right behind the string is OK since that one
+    // note: having nStartPos point right behind the string is OK since that one
     // is a correct end-of-sentence position to be returned from a grammar checker...
 
     const sal_Int32 nLen = rText.getLength();
@@ -215,14 +215,16 @@ static sal_Int32 lcl_BacktraceWhiteSpaces( const OUString &rText, sal_Int32 nSta
     sal_Int32 nPosBefore = nStartPos - 1;
     const sal_Unicode *pStart = rText.getStr();
     if (0 <= nPosBefore && nPosBefore < nLen && lcl_IsWhiteSpace( pStart[ nPosBefore ] ))
-        nStartPos = nPosBefore;
-    if (0 <= nStartPos && nStartPos < nLen)
     {
-        const sal_Unicode *pText = rText.getStr() + nStartPos;
-        while (pText > pStart && lcl_IsWhiteSpace( *pText ))
-            --pText;
-        // now add 1 since we wnat to point to the first char after the last char in the sentence...
-        nRes = pText - pStart + 1;
+        nStartPos = nPosBefore;
+        if (0 <= nStartPos && nStartPos < nLen)
+        {
+            const sal_Unicode *pText = rText.getStr() + nStartPos;
+            while (pText > pStart && lcl_IsWhiteSpace( *pText ))
+                --pText;
+            // now add 1 since we want to point to the first char after the last char in the sentence...
+            nRes = pText - pStart + 1;
+        }
     }
     
     DBG_ASSERT( 0 <= nRes && nRes <= nLen, "lcl_BacktraceWhiteSpaces return value out of range" );
@@ -577,6 +579,7 @@ void GrammarCheckingIterator::DequeueAndCheck()
 
                     sal_Int32 nStartPos = aFPEntryItem.m_nStartIndex;
                     sal_Int32 nSuggestedEnd = GetSuggestedEndOfSentence( aCurTxt, nStartPos, aCurLocale );
+                    DBG_ASSERT( nSuggestedEnd > nStartPos, "nSuggestedEndOfSentencePos calculation failed?" );
 
                     linguistic2::ProofreadingResult aRes;
 
@@ -586,6 +589,15 @@ void GrammarCheckingIterator::DequeueAndCheck()
                         aGuard.clear();
                         uno::Sequence< beans::PropertyValue > aEmptyProps;
                         aRes = xGC->doProofreading( aCurDocId, aCurTxt, aCurLocale, nStartPos, nSuggestedEnd, aEmptyProps );
+                        
+                        //!! work-around to prevent looping if the grammar checker 
+                        //!! failed to properly identify the sentence end
+                        if (aRes.nBehindEndOfSentencePosition <= nStartPos)
+                        {
+                            DBG_ASSERT( 0, "!! Grammarchecker failed to provide end of sentence !!" );
+                            aRes.nBehindEndOfSentencePosition = nSuggestedEnd;
+                        }
+                        
                         aRes.xFlatParagraph      = xFlatPara;
                         aRes.nStartOfSentencePosition = nStartPos;
                     }
@@ -718,6 +730,7 @@ throw (lang::IllegalArgumentException, uno::RuntimeException)
                 ::osl::ClearableGuard< ::osl::Mutex > aGuard( MyMutex::get() );
                 aDocId = GetOrCreateDocId( xComponent );
                 nSuggestedEndOfSentencePos = GetSuggestedEndOfSentence( rText, nStartPos, aCurLocale );
+                DBG_ASSERT( nSuggestedEndOfSentencePos > nStartPos, "nSuggestedEndOfSentencePos calculation failed?" );
 
                 xGC = GetGrammarChecker( aCurLocale );
             }
@@ -727,6 +740,15 @@ throw (lang::IllegalArgumentException, uno::RuntimeException)
             {
                 uno::Sequence< beans::PropertyValue > aEmptyProps;
                 aTmpRes = xGC->doProofreading( aDocId, rText, aCurLocale, nStartPos, nSuggestedEndOfSentencePos, aEmptyProps );
+
+                //!! work-around to prevent looping if the grammar checker 
+                //!! failed to properly identify the sentence end
+                if (aTmpRes.nBehindEndOfSentencePosition <= nStartPos)
+                {
+                    DBG_ASSERT( 0, "!! Grammarchecker failed to provide end of sentence !!" );
+                    aTmpRes.nBehindEndOfSentencePosition = nSuggestedEndOfSentencePos;
+                }
+
                 aTmpRes.xFlatParagraph      	 = xFlatPara;
                 aTmpRes.nStartOfSentencePosition = nStartPos;
                 nEndPos = aTmpRes.nBehindEndOfSentencePosition;
-- 
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