void
nsCSSExpandedDataBlock::DoExpand(nsCSSCompressedDataBlock *aBlock,
bool aImportant)
{
/*
* Save needless copying and allocation by copying the memory
* corresponding to the stored data in the compressed block.
*/
for (uint32_t i = 0; i < aBlock->mNumProps; i++) {
nsCSSProperty iProp = aBlock->PropertyAtIndex(i);
NS_ABORT_IF_FALSE(!nsCSSProps::IsShorthand(iProp), "out of range");
NS_ABORT_IF_FALSE(!HasPropertyBit(iProp),
"compressed block has property multiple times");
SetPropertyBit(iProp);
if (aImportant)
SetImportantBit(iProp);
const nsCSSValue* val = aBlock->ValueAtIndex(i);
nsCSSValue* dest = PropertyAt(iProp);
NS_ABORT_IF_FALSE(val->GetUnit() != eCSSUnit_Null, "oops");
NS_ABORT_IF_FALSE(dest->GetUnit() == eCSSUnit_Null,
"expanding into non-empty block");
#ifdef NS_BUILD_REFCNT_LOGGING
dest->~nsCSSValue();
#endif
memcpy(dest, val, sizeof(nsCSSValue));
}
// Set the number of properties to zero so that we don't destroy the
// remnants of what we just copied.
aBlock->SetNumPropsToZero();
delete aBlock;
}
void
nsCSSExpandedDataBlock::AddLonghandProperty(nsCSSProperty aProperty,
const nsCSSValue& aValue)
{
NS_ABORT_IF_FALSE(!nsCSSProps::IsShorthand(aProperty),
"property out of range");
nsCSSValue& storage = *static_cast<nsCSSValue*>(PropertyAt(aProperty));
storage = aValue;
SetPropertyBit(aProperty);
}
bool
InterfaceRec::look_in_properties(const SString & id)
{
int32_t i, count = CountProperties();
for (i=0; i<count; i++) {
if (PropertyAt(i)->m_id == id) {
return true;
}
}
return false;
}
status_t
InterfaceRec::View()
{
bout << "ID = " << ID() << endl;
bout << "Namespace = " << Namespace() << endl;
SVector<SString> rents=Parents();
for (int s=0; s<rents.CountItems(); s++) {
if (s=0) {
bout << "Parents = " << endl;
}
bout << " - " << rents.ItemAt(s) << endl;
}
int32_t num=CountProperties();
bout << "# of Properties = " << num << endl;
for (int s=0; s< num; s++) {
sptr<IDLNameType> nt=PropertyAt(s);
bout << " - " << nt->m_id << endl;
}
num=CountMethods();
bout << "# of Methods = " << num << endl;
for (int s=0; s< num; s++) {
sptr<IDLMethod> m=MethodAt(s);
bout << " - " << m->ID() << endl;
}
num=CountEvents();
bout << "# of Events = " << num << endl;
for (int s=0; s< CountEvents(); s++) {
sptr<IDLEvent> e=EventAt(s);
bout << " - " << e->ID() << endl;
}
return B_OK;
}
void
nsCSSExpandedDataBlock::ComputeNumProps(uint32_t* aNumPropsNormal,
uint32_t* aNumPropsImportant)
{
*aNumPropsNormal = *aNumPropsImportant = 0;
for (size_t iHigh = 0; iHigh < nsCSSPropertySet::kChunkCount; ++iHigh) {
if (!mPropertiesSet.HasPropertyInChunk(iHigh))
continue;
for (size_t iLow = 0; iLow < nsCSSPropertySet::kBitsInChunk; ++iLow) {
if (!mPropertiesSet.HasPropertyAt(iHigh, iLow))
continue;
#ifdef DEBUG
nsCSSProperty iProp = nsCSSPropertySet::CSSPropertyAt(iHigh, iLow);
#endif
NS_ABORT_IF_FALSE(!nsCSSProps::IsShorthand(iProp), "out of range");
NS_ABORT_IF_FALSE(PropertyAt(iProp)->GetUnit() != eCSSUnit_Null,
"null value while computing size");
if (mPropertiesImportant.HasPropertyAt(iHigh, iLow))
(*aNumPropsImportant)++;
else
(*aNumPropsNormal)++;
}
}
}
nsCSSExpandedDataBlock::ComputeSizeResult
nsCSSExpandedDataBlock::ComputeSize()
{
ComputeSizeResult result = {0, 0};
for (size_t iHigh = 0; iHigh < nsCSSPropertySet::kChunkCount; ++iHigh) {
if (!mPropertiesSet.HasPropertyInChunk(iHigh))
continue;
for (size_t iLow = 0; iLow < nsCSSPropertySet::kBitsInChunk; ++iLow) {
if (!mPropertiesSet.HasPropertyAt(iHigh, iLow))
continue;
#ifdef DEBUG
nsCSSProperty iProp = nsCSSPropertySet::CSSPropertyAt(iHigh, iLow);
#endif
NS_ABORT_IF_FALSE(!nsCSSProps::IsShorthand(iProp), "out of range");
NS_ABORT_IF_FALSE(PropertyAt(iProp)->GetUnit() != eCSSUnit_Null,
"null value while computing size");
if (mPropertiesImportant.HasPropertyAt(iHigh, iLow))
result.important += CDBValueStorage_advance;
else
result.normal += CDBValueStorage_advance;
}
}
return result;
}
void
nsCSSExpandedDataBlock::DoExpand(nsCSSCompressedDataBlock *aBlock,
bool aImportant)
{
/*
* Save needless copying and allocation by copying the memory
* corresponding to the stored data in the compressed block.
*/
const char* cursor = aBlock->Block();
const char* cursor_end = aBlock->BlockEnd();
while (cursor < cursor_end) {
nsCSSProperty iProp = PropertyAtCursor(cursor);
NS_ABORT_IF_FALSE(!nsCSSProps::IsShorthand(iProp), "out of range");
NS_ABORT_IF_FALSE(!HasPropertyBit(iProp),
"compressed block has property multiple times");
SetPropertyBit(iProp);
if (aImportant)
SetImportantBit(iProp);
const nsCSSValue* val = ValueAtCursor(cursor);
nsCSSValue* dest = PropertyAt(iProp);
NS_ABORT_IF_FALSE(val->GetUnit() != eCSSUnit_Null, "oops");
NS_ABORT_IF_FALSE(dest->GetUnit() == eCSSUnit_Null,
"expanding into non-empty block");
#ifdef NS_BUILD_REFCNT_LOGGING
dest->~nsCSSValue();
#endif
memcpy(dest, val, sizeof(nsCSSValue));
cursor += CDBValueStorage_advance;
}
NS_ABORT_IF_FALSE(cursor == cursor_end, "inconsistent data");
// Don't destroy remnants of what we just copied
aBlock->SetBlockEnd(aBlock->Block());
delete aBlock;
}
void
nsCSSExpandedDataBlock::Compress(nsCSSCompressedDataBlock **aNormalBlock,
nsCSSCompressedDataBlock **aImportantBlock)
{
nsAutoPtr<nsCSSCompressedDataBlock> result_normal, result_important;
uint32_t i_normal = 0, i_important = 0;
uint32_t numPropsNormal, numPropsImportant;
ComputeNumProps(&numPropsNormal, &numPropsImportant);
result_normal =
new(numPropsNormal) nsCSSCompressedDataBlock(numPropsNormal);
if (numPropsImportant != 0) {
result_important =
new(numPropsImportant) nsCSSCompressedDataBlock(numPropsImportant);
} else {
result_important = nullptr;
}
/*
* Save needless copying and allocation by copying the memory
* corresponding to the stored data in the expanded block, and then
* clearing the data in the expanded block.
*/
for (size_t iHigh = 0; iHigh < nsCSSPropertySet::kChunkCount; ++iHigh) {
if (!mPropertiesSet.HasPropertyInChunk(iHigh))
continue;
for (size_t iLow = 0; iLow < nsCSSPropertySet::kBitsInChunk; ++iLow) {
if (!mPropertiesSet.HasPropertyAt(iHigh, iLow))
continue;
nsCSSProperty iProp = nsCSSPropertySet::CSSPropertyAt(iHigh, iLow);
NS_ABORT_IF_FALSE(!nsCSSProps::IsShorthand(iProp), "out of range");
bool important =
mPropertiesImportant.HasPropertyAt(iHigh, iLow);
nsCSSCompressedDataBlock *result =
important ? result_important : result_normal;
uint32_t* ip = important ? &i_important : &i_normal;
nsCSSValue* val = PropertyAt(iProp);
NS_ABORT_IF_FALSE(val->GetUnit() != eCSSUnit_Null,
"Null value while compressing");
result->SetPropertyAtIndex(*ip, iProp);
result->RawCopyValueToIndex(*ip, val);
new (val) nsCSSValue();
(*ip)++;
result->mStyleBits |=
nsCachedStyleData::GetBitForSID(nsCSSProps::kSIDTable[iProp]);
}
}
NS_ABORT_IF_FALSE(numPropsNormal == i_normal, "bad numProps");
if (result_important) {
NS_ABORT_IF_FALSE(numPropsImportant == i_important, "bad numProps");
}
ClearSets();
AssertInitialState();
*aNormalBlock = result_normal.forget();
*aImportantBlock = result_important.forget();
}
void
nsCSSExpandedDataBlock::Compress(nsCSSCompressedDataBlock **aNormalBlock,
nsCSSCompressedDataBlock **aImportantBlock)
{
nsAutoPtr<nsCSSCompressedDataBlock> result_normal, result_important;
char *cursor_normal, *cursor_important;
ComputeSizeResult size = ComputeSize();
result_normal = new(size.normal) nsCSSCompressedDataBlock();
cursor_normal = result_normal->Block();
if (size.important != 0) {
result_important = new(size.important) nsCSSCompressedDataBlock();
cursor_important = result_important->Block();
} else {
result_important = nsnull;
cursor_important = nsnull;
}
/*
* Save needless copying and allocation by copying the memory
* corresponding to the stored data in the expanded block, and then
* clearing the data in the expanded block.
*/
for (size_t iHigh = 0; iHigh < nsCSSPropertySet::kChunkCount; ++iHigh) {
if (!mPropertiesSet.HasPropertyInChunk(iHigh))
continue;
for (size_t iLow = 0; iLow < nsCSSPropertySet::kBitsInChunk; ++iLow) {
if (!mPropertiesSet.HasPropertyAt(iHigh, iLow))
continue;
nsCSSProperty iProp = nsCSSPropertySet::CSSPropertyAt(iHigh, iLow);
NS_ABORT_IF_FALSE(!nsCSSProps::IsShorthand(iProp), "out of range");
bool important =
mPropertiesImportant.HasPropertyAt(iHigh, iLow);
char *&cursor = important ? cursor_important : cursor_normal;
nsCSSCompressedDataBlock *result =
important ? result_important : result_normal;
nsCSSValue* val = PropertyAt(iProp);
NS_ABORT_IF_FALSE(val->GetUnit() != eCSSUnit_Null,
"Null value while compressing");
CDBValueStorage *storage =
reinterpret_cast<CDBValueStorage*>(cursor);
storage->property = iProp;
memcpy(&storage->value, val, sizeof(nsCSSValue));
new (val) nsCSSValue();
cursor += CDBValueStorage_advance;
result->mStyleBits |=
nsCachedStyleData::GetBitForSID(nsCSSProps::kSIDTable[iProp]);
}
}
result_normal->SetBlockEnd(cursor_normal);
NS_ABORT_IF_FALSE(result_normal->DataSize() == ptrdiff_t(size.normal),
"size miscalculation");
if (result_important) {
result_important->SetBlockEnd(cursor_important);
NS_ABORT_IF_FALSE(result_important->DataSize() ==
ptrdiff_t(size.important),
"size miscalculation");
}
ClearSets();
AssertInitialState();
*aNormalBlock = result_normal.forget();
*aImportantBlock = result_important.forget();
}
