// not from interface
void
nsHtml5Parser::ParseUntilBlocked()
{
if (mBlocked || mExecutor->IsComplete() || mExecutor->IsBroken()) {
return;
}
NS_ASSERTION(mExecutor->HasStarted(), "Bad life cycle.");
NS_ASSERTION(!mInDocumentWrite,
"ParseUntilBlocked entered while in doc.write!");
mDocWriteSpeculatorActive = false;
for (;;) {
if (!mFirstBuffer->hasMore()) {
if (mFirstBuffer == mLastBuffer) {
if (mExecutor->IsComplete()) {
// something like cache manisfests stopped the parse in mid-flight
return;
}
if (mDocumentClosed) {
NS_ASSERTION(!mStreamParser,
"This should only happen with script-created parser.");
mTokenizer->eof();
mTreeBuilder->StreamEnded();
mTreeBuilder->Flush();
mExecutor->FlushDocumentWrite();
mTokenizer->end();
return;
}
// never release the last buffer.
NS_ASSERTION(!mLastBuffer->getStart() && !mLastBuffer->getEnd(),
"Sentinel buffer had its indeces changed.");
if (mStreamParser) {
if (mReturnToStreamParserPermitted &&
!mExecutor->IsScriptExecuting()) {
mTreeBuilder->Flush();
mReturnToStreamParserPermitted = false;
mStreamParser->ContinueAfterScripts(mTokenizer,
mTreeBuilder,
mLastWasCR);
}
} else {
// Script-created parser
mTreeBuilder->Flush();
// No need to flush the executor, because the executor is already
// in a flush
NS_ASSERTION(mExecutor->IsInFlushLoop(),
"How did we come here without being in the flush loop?");
}
return; // no more data for now but expecting more
}
mFirstBuffer = mFirstBuffer->next;
continue;
}
if (mBlocked || mExecutor->IsComplete()) {
return;
}
// now we have a non-empty buffer
mFirstBuffer->adjust(mLastWasCR);
mLastWasCR = false;
if (mFirstBuffer->hasMore()) {
bool inRootContext = (!mStreamParser && !mFirstBuffer->key);
if (inRootContext) {
mTokenizer->setLineNumber(mRootContextLineNumber);
}
mLastWasCR = mTokenizer->tokenizeBuffer(mFirstBuffer);
if (inRootContext) {
mRootContextLineNumber = mTokenizer->getLineNumber();
}
if (mTreeBuilder->HasScript()) {
mTreeBuilder->Flush();
mExecutor->FlushDocumentWrite();
}
if (mBlocked) {
return;
}
}
continue;
}
}
// not from interface
void
nsHtml5Parser::ParseUntilBlocked()
{
NS_PRECONDITION(!mExecutor->IsFragmentMode(),
"ParseUntilBlocked called in fragment mode.");
if (mBlocked) {
return;
}
if (mExecutor->IsComplete()) {
return;
}
NS_ASSERTION(mExecutor->HasStarted(), "Bad life cycle.");
for (;;) {
if (!mFirstBuffer->hasMore()) {
if (mFirstBuffer == mLastBuffer) {
if (mExecutor->IsComplete()) {
// something like cache manisfests stopped the parse in mid-flight
return;
}
if (mDocumentClosed) {
NS_ASSERTION(!mStreamParser,
"This should only happen with script-created parser.");
mTokenizer->eof();
mTreeBuilder->StreamEnded();
mTreeBuilder->Flush();
mExecutor->FlushDocumentWrite();
mTokenizer->end();
return;
}
// never release the last buffer.
NS_ASSERTION(!mLastBuffer->getStart() && !mLastBuffer->getEnd(),
"Sentinel buffer had its indeces changed.");
if (mStreamParser && mReturnToStreamParserPermitted
&& !mExecutor->IsScriptExecuting()) {
mTreeBuilder->Flush();
mReturnToStreamParserPermitted = PR_FALSE;
mStreamParser->ContinueAfterScripts(mTokenizer,
mTreeBuilder,
mLastWasCR);
}
return; // no more data for now but expecting more
}
mFirstBuffer = mFirstBuffer->next;
continue;
}
if (mBlocked || mExecutor->IsComplete()) {
return;
}
// now we have a non-empty buffer
mFirstBuffer->adjust(mLastWasCR);
mLastWasCR = PR_FALSE;
if (mFirstBuffer->hasMore()) {
PRBool inRootContext = (!mStreamParser &&
(mFirstBuffer->key == mRootContextKey));
if (inRootContext) {
mTokenizer->setLineNumber(mRootContextLineNumber);
}
mLastWasCR = mTokenizer->tokenizeBuffer(mFirstBuffer);
if (inRootContext) {
mRootContextLineNumber = mTokenizer->getLineNumber();
}
if (mTreeBuilder->HasScript()) {
mTreeBuilder->Flush();
mExecutor->FlushDocumentWrite();
}
if (mBlocked) {
return;
}
}
continue;
}
}