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authorManfred Blume <manfred.blume@cib.de>2018-01-25 15:46:57 +0100
committerThorsten Behrens <Thorsten.Behrens@CIB.de>2018-01-26 23:53:30 +0100
commite4400f4c4e267f8528df3a7d5a09623c888bd10c (patch)
treede0febdde661e8f00d6ae5f46df286adf8df0501 /sw/source/core/layout
parentced60a5fa7824caff07846d7dd8abad3c0f31b55 (diff)
tdf#114306 fix crash caused by special document
Regression from 18765b9fa739337d2d891513f6e2fb7c3ce23b50 chnage signature of static void lcl_RecalcRow( SwRowFrame& rRow, long nBottom ) to static void lcl_RecalcRow( SwRowFrame* pRow, long nBottom ) Change-Id: Ie00435aa4bffa3d2e49896aea6894ae999a5536a Reviewed-on: https://gerrit.libreoffice.org/48613 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
Diffstat (limited to 'sw/source/core/layout')
-rw-r--r--sw/source/core/layout/tabfrm.cxx57
1 files changed, 41 insertions, 16 deletions
diff --git a/sw/source/core/layout/tabfrm.cxx b/sw/source/core/layout/tabfrm.cxx
index f1e2e2e56fff..d0f2ddddba26 100644
--- a/sw/source/core/layout/tabfrm.cxx
+++ b/sw/source/core/layout/tabfrm.cxx
@@ -163,7 +163,7 @@ void SwTabFrame::RegistFlys()
}
void SwInvalidateAll( SwFrame *pFrame, long nBottom );
-static void lcl_RecalcRow( SwRowFrame& rRow, long nBottom );
+static void lcl_RecalcRow( SwRowFrame* pRow, long nBottom );
static bool lcl_ArrangeLowers( SwLayoutFrame *pLay, long lYStart, bool bInva );
// #i26945# - add parameter <_bOnlyRowsAndCells> to control
// that only row and cell frames are formatted.
@@ -289,7 +289,7 @@ static void lcl_InvalidateLowerObjs( SwLayoutFrame& _rLayoutFrame,
}
}
-// Local helper function to shrink all lowers of rRow to 0 height
+// Local helper function to shrink all lowers of pRow to 0 height
static void lcl_ShrinkCellsAndAllContent( SwRowFrame& rRow )
{
SwCellFrame* pCurrMasterCell = static_cast<SwCellFrame*>(rRow.Lower());
@@ -681,7 +681,7 @@ static bool lcl_RecalcSplitLine( SwRowFrame& rLastLine, SwRowFrame& rFollowLine,
rLastLine.SetInSplit();
// Do the recalculation
- lcl_RecalcRow( rLastLine, LONG_MAX );
+ lcl_RecalcRow( &rLastLine, LONG_MAX );
// #115759# - force a format of the last line in order to
// get the correct height.
rLastLine.InvalidateSize();
@@ -1555,7 +1555,7 @@ static bool lcl_InnerCalcLayout( SwFrame *pFrame,
return bRet;
}
-static void lcl_RecalcRow( SwRowFrame& rRow, long nBottom )
+static void lcl_RecalcRow( SwRowFrame* pRow, long nBottom )
{
// FME 2007-08-30 #i81146# new loop control
int nLoopControlRuns_1 = 0;
@@ -1569,14 +1569,14 @@ static void lcl_RecalcRow( SwRowFrame& rRow, long nBottom )
int nLoopControlRuns_2 = 0;
sal_uInt16 nLoopControlStage_2 = 0;
- while( lcl_InnerCalcLayout( &rRow, nBottom ) )
+ while( lcl_InnerCalcLayout( pRow, nBottom ) )
{
if ( ++nLoopControlRuns_2 > nLoopControlMax )
{
SAL_WARN_IF(nLoopControlStage_2 == 0, "sw.layout", "LoopControl_2 in lcl_RecalcRow: Stage 1!");
SAL_WARN_IF(nLoopControlStage_2 == 1, "sw.layout", "LoopControl_2 in lcl_RecalcRow: Stage 2!!");
SAL_WARN_IF(nLoopControlStage_2 >= 2, "sw.layout", "LoopControl_2 in lcl_RecalcRow: Stage 3!!!");
- rRow.ValidateThisAndAllLowers( nLoopControlStage_2++ );
+ pRow->ValidateThisAndAllLowers( nLoopControlStage_2++ );
nLoopControlRuns_2 = 0;
if( nLoopControlStage_2 > 2 )
break;
@@ -1589,14 +1589,39 @@ static void lcl_RecalcRow( SwRowFrame& rRow, long nBottom )
{
// #115759# - force another format of the
// lowers, if at least one of it was invalid.
- bCheck = SwContentFrame::CalcLowers( &rRow, rRow.GetUpper(), nBottom, true );
+
+ // tdf#114306 writer may crash because pRow points to a deleted SwRowFrame
+ SwRowFrame* pOriginalRow = pRow;
+ OSL_ENSURE(pOriginalRow->GetUpper() && pOriginalRow->GetUpper()->IsTabFrame(), "No table");
+ SwTabFrame* pOriginalTab = static_cast<SwTabFrame*>(pRow->GetUpper());
+
+ bCheck = SwContentFrame::CalcLowers( pRow, pRow->GetUpper(), nBottom, true );
+
+ bool bRowStillExists = false;
+ SwFrame* pTestRow = pOriginalTab->Lower();
+
+ while (pTestRow)
+ {
+ if (pTestRow == pRow)
+ {
+ bRowStillExists = true;
+ break;
+ }
+ pTestRow = pTestRow->GetNext();
+ }
+
+ if (!bRowStillExists)
+ {
+ SAL_WARN("sw.layout", "no row anymore at " << pRow);
+ return;
+ }
// NEW TABLES
// First we calculate the cells with row span of < 1, afterwards
// all cells with row span of > 1:
for ( int i = 0; i < 2; ++i )
{
- SwCellFrame* pCellFrame = static_cast<SwCellFrame*>(rRow.Lower());
+ SwCellFrame* pCellFrame = static_cast<SwCellFrame*>(pRow->Lower());
while ( pCellFrame )
{
const bool bCalc = 0 == i ?
@@ -1622,7 +1647,7 @@ static void lcl_RecalcRow( SwRowFrame& rRow, long nBottom )
SAL_WARN_IF(nLoopControlStage_1 == 0, "sw.layout", "LoopControl_1 in lcl_RecalcRow: Stage 1!");
SAL_WARN_IF(nLoopControlStage_1 == 1, "sw.layout", "LoopControl_1 in lcl_RecalcRow: Stage 2!!");
SAL_WARN_IF(nLoopControlStage_1 >= 2, "sw.layout", "LoopControl_1 in lcl_RecalcRow: Stage 3!!!");
- rRow.ValidateThisAndAllLowers( nLoopControlStage_1++ );
+ pRow->ValidateThisAndAllLowers( nLoopControlStage_1++ );
nLoopControlRuns_1 = 0;
if( nLoopControlStage_1 > 2 )
break;
@@ -1647,7 +1672,7 @@ static void lcl_RecalcTable( SwTabFrame& rTab,
rNotify.SetLowersComplete( true );
}
::SwInvalidatePositions( pFirstRow, LONG_MAX );
- lcl_RecalcRow( static_cast<SwRowFrame&>(*pFirstRow), LONG_MAX );
+ lcl_RecalcRow( static_cast<SwRowFrame*>(pFirstRow), LONG_MAX );
}
}
@@ -2116,7 +2141,7 @@ void SwTabFrame::MakeAll(vcl::RenderContext* pRenderContext)
{
::SwInvalidateAll( pLastLine, LONG_MAX );
SetRebuildLastLine( true );
- lcl_RecalcRow( static_cast<SwRowFrame&>(*pLastLine), LONG_MAX );
+ lcl_RecalcRow( static_cast<SwRowFrame*>(pLastLine), LONG_MAX );
SetRebuildLastLine( false );
}
@@ -2239,7 +2264,7 @@ void SwTabFrame::MakeAll(vcl::RenderContext* pRenderContext)
}
else if (m_bONECalcLowers)
{
- lcl_RecalcRow( static_cast<SwRowFrame&>(*Lower()), LONG_MAX );
+ lcl_RecalcRow( static_cast<SwRowFrame*>(Lower()), LONG_MAX );
m_bONECalcLowers = false;
}
}
@@ -2262,7 +2287,7 @@ void SwTabFrame::MakeAll(vcl::RenderContext* pRenderContext)
}
else if (m_bONECalcLowers)
{
- lcl_RecalcRow( static_cast<SwRowFrame&>(*Lower()), LONG_MAX );
+ lcl_RecalcRow( static_cast<SwRowFrame*>(Lower()), LONG_MAX );
m_bONECalcLowers = false;
}
@@ -2328,7 +2353,7 @@ void SwTabFrame::MakeAll(vcl::RenderContext* pRenderContext)
{
SetInRecalcLowerRow( true );
- ::lcl_RecalcRow( static_cast<SwRowFrame&>(*Lower()), nDeadLine );
+ ::lcl_RecalcRow( static_cast<SwRowFrame*>(Lower()), nDeadLine );
SetInRecalcLowerRow( false );
}
m_bLowersFormatted = true;
@@ -2428,7 +2453,7 @@ void SwTabFrame::MakeAll(vcl::RenderContext* pRenderContext)
// to nDeadLine may not be enough.
if ( bSplitError && bTryToSplit ) // no restart if we did not try to split: i72847, i79426
{
- lcl_RecalcRow( static_cast<SwRowFrame&>(*Lower()), LONG_MAX );
+ lcl_RecalcRow( static_cast<SwRowFrame*>(Lower()), LONG_MAX );
setFrameAreaPositionValid(false);
bTryToSplit = false;
continue;
@@ -2469,7 +2494,7 @@ void SwTabFrame::MakeAll(vcl::RenderContext* pRenderContext)
// its content.
const bool bOldJoinLock = GetFollow()->IsJoinLocked();
GetFollow()->LockJoin();
- ::lcl_RecalcRow( static_cast<SwRowFrame&>(*GetFollow()->Lower()),
+ ::lcl_RecalcRow( static_cast<SwRowFrame*>(GetFollow()->Lower()),
fnRectX.GetBottom(GetFollow()->GetUpper()->getFrameArea()) );
// #i43913#
// #i63632# Do not unlock the