[Libreoffice-commits] core.git: Branch 'libreoffice-6-0' - sw/source

[Libreoffice Gerrit user]

 sw/source/filter/ww8/ww8scan.cxx |   39 +++++++++++++--------------------------
 sw/source/filter/ww8/ww8scan.hxx |    2 +-
 2 files changed, 14 insertions(+), 27 deletions(-)

New commits:
commit c57538b2b3c9ffbb206590089c0a5ca69056304d
Author:     Caolán McNamara <caol...@redhat.com>
AuthorDate: Wed Aug 15 17:28:41 2018 +0100
Commit:     Michael Stahl <michael.st...@cib.de>
CommitDate: Mon Aug 20 12:14:32 2018 +0200

    ofz#9917 use a WW8SprmIter to find the sprm
    
    extend WW8SprmIter to support the needed paramater match feature and
    drop the custom WW8PLCFx_SEPX::HasSprm logic
    
    Change-Id: I5893e04402ed03493add398f0939a578807561ef
    Reviewed-on: https://gerrit.libreoffice.org/59120
    Tested-by: Jenkins
    Reviewed-by: Michael Stahl <michael.st...@cib.de>

diff --git a/sw/source/filter/ww8/ww8scan.cxx b/sw/source/filter/ww8/ww8scan.cxx
index 6a90d83e8e3c..6e5e863767c7 100644
--- a/sw/source/filter/ww8/ww8scan.cxx
+++ b/sw/source/filter/ww8/ww8scan.cxx
@@ -917,7 +917,7 @@ void WW8SprmIter::UpdateMyMembers()
     }
 }
 
-SprmResult WW8SprmIter::FindSprm(sal_uInt16 nId)
+SprmResult WW8SprmIter::FindSprm(sal_uInt16 nId, sal_uInt8* pNextByteMatch)
 {
     while (GetSprms())
     {
@@ -925,7 +925,13 @@ SprmResult WW8SprmIter::FindSprm(sal_uInt16 nId)
         {
             sal_uInt16 nFixedLen =  mrSprmParser.DistanceToData(nId);
             sal_uInt16 nL = mrSprmParser.GetSprmSize(nId, GetSprms(), 
GetRemLen());
-            return SprmResult(GetAktParams(), nL - nFixedLen); // SPRM found!
+            SprmResult aRet(GetAktParams(), nL - nFixedLen); // SPRM found!
+            // typically pNextByteMatch is nullptr and we just return the 
first match
+            if (!pNextByteMatch)
+                return aRet;
+            // very occasionally we want one with a specific following byte
+            if (aRet.nRemainingData >= 1 && *aRet.pSprm == *pNextByteMatch)
+                return aRet;
         }
         advance();
     }
@@ -3769,32 +3775,13 @@ bool WW8PLCFx_SEPX::Find4Sprms(sal_uInt16 
nId1,sal_uInt16 nId2,sal_uInt16 nId3,s
 
 SprmResult WW8PLCFx_SEPX::HasSprm( sal_uInt16 nId, sal_uInt8 n2nd ) const
 {
-    if (!pPLCF)
-        return SprmResult();
-
-    sal_uInt8* pSp = pSprms.get();
-    size_t i = 0;
-    while (i + maSprmParser.MinSprmLen() <= nSprmSiz)
+    SprmResult aRet;
+    if (pPLCF)
     {
-        // Sprm found?
-        const sal_uInt16 nAktId = maSprmParser.GetSprmId(pSp);
-        const sal_uInt16 x = maSprmParser.GetSprmSize(nAktId, pSp, nSprmSiz - 
i);
-        if (nAktId == nId)
-        {
-            sal_uInt16 nFixedLen =  maSprmParser.DistanceToData(nId);
-            const sal_uInt8 *pRet = pSp + nFixedLen;
-            SprmResult aRet(pRet, x - nFixedLen);
-            if (aRet.nRemainingData >= 1 && *aRet.pSprm == n2nd)
-            {
-                return aRet;
-            }
-        }
-        // increment pointer so that it points to next SPRM
-        i += x;
-        pSp += x;
+        WW8SprmIter aIter(pSprms.get(), nSprmSiz, maSprmParser);
+        aRet = aIter.FindSprm(nId, &n2nd);
     }
-
-    return SprmResult();   // Sprm not found
+    return aRet;
 }
 
 WW8PLCFx_SubDoc::WW8PLCFx_SubDoc(SvStream* pSt, const WW8Fib& rFib,
diff --git a/sw/source/filter/ww8/ww8scan.hxx b/sw/source/filter/ww8/ww8scan.hxx
index ff2246155899..841067d2a241 100644
--- a/sw/source/filter/ww8/ww8scan.hxx
+++ b/sw/source/filter/ww8/ww8scan.hxx
@@ -281,7 +281,7 @@ public:
     explicit WW8SprmIter(const sal_uInt8* pSprms_, sal_Int32 nLen_,
         const wwSprmParser &rSprmParser);
     void  SetSprms(const sal_uInt8* pSprms_, sal_Int32 nLen_);
-    SprmResult FindSprm(sal_uInt16 nId);
+    SprmResult FindSprm(sal_uInt16 nId, sal_uInt8* pNextByteMatch = nullptr);
     void  advance();
     const sal_uInt8* GetSprms() const
         { return ( pSprms && (0 < nRemLen) ) ? pSprms : nullptr; }
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