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-rw-r--r--core/fxcrt/fx_bidi.cpp14
1 files changed, 8 insertions, 6 deletions
diff --git a/core/fxcrt/fx_bidi.cpp b/core/fxcrt/fx_bidi.cpp
index 48504e5821..7261d80af3 100644
--- a/core/fxcrt/fx_bidi.cpp
+++ b/core/fxcrt/fx_bidi.cpp
@@ -329,12 +329,11 @@ class CFX_BidiLine {
int32_t iLevelCur = 0;
int32_t iState = FX_BWSxl;
- size_t i = 0;
size_t iNum = 0;
int32_t iClsCur;
int32_t iClsRun;
int32_t iClsNew;
- int32_t iAction;
+ size_t i = 0;
for (; i <= iCount; ++i) {
CFX_Char* pTC = &(*chars)[i];
iClsCur = pTC->m_iBidiClass;
@@ -365,9 +364,10 @@ class CFX_BidiLine {
continue;
}
}
+ if (iClsCur > FX_BIDICLASS_BN)
+ continue;
- ASSERT(iClsCur <= FX_BIDICLASS_BN);
- iAction = gc_FX_BidiWeakActions[iState][iClsCur];
+ int32_t iAction = gc_FX_BidiWeakActions[iState][iClsCur];
iClsRun = GetDeferredType(iAction);
if (iClsRun != FX_BWAXX && iNum > 0) {
SetDeferredRun(chars, true, i, iNum, iClsRun);
@@ -412,8 +412,9 @@ class CFX_BidiLine {
++iNum;
continue;
}
+ if (iClsCur >= FX_BIDICLASS_AL)
+ continue;
- ASSERT(iClsCur < FX_BIDICLASS_AL);
iAction = gc_FX_BidiNeutralActions[iState][iClsCur];
iClsRun = GetDeferredNeutrals(iAction, iLevel);
if (iClsRun != FX_BIDICLASS_N && iNum > 0) {
@@ -445,8 +446,9 @@ class CFX_BidiLine {
int32_t iCls = (*chars)[i].m_iBidiClass;
if (iCls == FX_BIDICLASS_BN)
continue;
+ if (iCls <= FX_BIDICLASS_ON || iCls >= FX_BIDICLASS_AL)
+ continue;
- ASSERT(iCls > FX_BIDICLASS_ON && iCls < FX_BIDICLASS_AL);
int32_t iLevel = (*chars)[i].m_iBidiLevel;
iLevel += gc_FX_BidiAddLevel[FX_IsOdd(iLevel)][iCls - 1];
(*chars)[i].m_iBidiLevel = (int16_t)iLevel;