bool
nsCSSCompressedDataBlock::TryReplaceValue(nsCSSProperty aProperty,
nsCSSExpandedDataBlock& aFromBlock,
bool *aChanged)
{
nsCSSValue* newValue = aFromBlock.PropertyAt(aProperty);
MOZ_ASSERT(newValue && newValue->GetUnit() != eCSSUnit_Null,
"cannot replace with empty value");
const nsCSSValue* oldValue = ValueFor(aProperty);
if (!oldValue) {
*aChanged = false;
return false;
}
*aChanged = MoveValue(newValue, const_cast<nsCSSValue*>(oldValue));
aFromBlock.ClearPropertyBit(aProperty);
return true;
}
PRBool
nsCSSCompressedDataBlock::TryReplaceValue(nsCSSProperty aProperty,
nsCSSExpandedDataBlock& aFromBlock,
PRBool *aChanged)
{
nsCSSValue* newValue = aFromBlock.PropertyAt(aProperty);
NS_ABORT_IF_FALSE(newValue && newValue->GetUnit() != eCSSUnit_Null,
"cannot replace with empty value");
const nsCSSValue* oldValue = ValueFor(aProperty);
if (!oldValue) {
*aChanged = PR_FALSE;
return PR_FALSE;
}
*aChanged = MoveValue(newValue, const_cast<nsCSSValue*>(oldValue));
aFromBlock.ClearPropertyBit(aProperty);
return PR_TRUE;
}