NS_IMETHODIMP
nsHtml5Parser::ParseFragment(const nsAString& aSourceBuffer,
nsIContent* aTargetNode,
nsIAtom* aContextLocalName,
PRInt32 aContextNamespace,
PRBool aQuirks)
{
nsIDocument* doc = aTargetNode->GetOwnerDoc();
NS_ENSURE_TRUE(doc, NS_ERROR_NOT_AVAILABLE);
nsIURI* uri = doc->GetDocumentURI();
NS_ENSURE_TRUE(uri, NS_ERROR_NOT_AVAILABLE);
Initialize(doc, uri, nsnull, nsnull);
mExecutor->SetParser(this);
mExecutor->SetNodeInfoManager(doc->NodeInfoManager());
nsIContent* target = aTargetNode;
mTreeBuilder->setFragmentContext(aContextLocalName,
aContextNamespace,
&target,
aQuirks);
mExecutor->EnableFragmentMode();
NS_PRECONDITION(!mExecutor->HasStarted(),
"Tried to start parse without initializing the parser.");
mTreeBuilder->setScriptingEnabled(mExecutor->IsScriptEnabled());
mTokenizer->start();
mExecutor->Start(); // Don't call WillBuildModel in fragment case
if (!aSourceBuffer.IsEmpty()) {
PRBool lastWasCR = PR_FALSE;
nsHtml5UTF16Buffer buffer(aSourceBuffer.Length());
memcpy(buffer.getBuffer(),
aSourceBuffer.BeginReading(),
aSourceBuffer.Length() * sizeof(PRUnichar));
buffer.setEnd(aSourceBuffer.Length());
while (buffer.hasMore()) {
buffer.adjust(lastWasCR);
lastWasCR = PR_FALSE;
if (buffer.hasMore()) {
lastWasCR = mTokenizer->tokenizeBuffer(&buffer);
}
}
}
mTokenizer->eof();
mTreeBuilder->StreamEnded();
mTreeBuilder->Flush();
mExecutor->FlushDocumentWrite();
mTokenizer->end();
mExecutor->DropParserAndPerfHint();
mExecutor->DropHeldElements();
mAtomTable.Clear();
return NS_OK;
}
NS_IMETHODIMP
nsHtml5Parser::Parse(nsIURI* aURL,
nsIRequestObserver* aObserver,
void* aKey, // legacy; ignored
nsDTDMode aMode) // legacy; ignored
{
/*
* Do NOT cause WillBuildModel to be called synchronously from here!
* The document won't be ready for it until OnStartRequest!
*/
NS_PRECONDITION(!mExecutor->HasStarted(),
"Tried to start parse without initializing the parser.");
NS_PRECONDITION(mStreamParser,
"Can't call this Parse() variant on script-created parser");
mStreamParser->SetObserver(aObserver);
mStreamParser->SetViewSourceTitle(aURL); // In case we're viewing source
mExecutor->SetStreamParser(mStreamParser);
mExecutor->SetParser(this);
return NS_OK;
}
// class destructor
ClassBrowser::~ClassBrowser()
{
int pos = XRCCTRL(*this, "splitterWin", wxSplitterWindow)->GetSashPosition();
Manager::Get()->GetConfigManager(_T("code_completion"))->Write(_T("/splitter_pos"), pos);
SetParser(NULL);
if (m_ClassBrowserBuilderThread)
{
// tell the thread, that we want to terminate it, TestDestroy only works after Delete(), which should not
// be used on joinable threads
// if we disable the cc-plugin, we otherwise come to an infinite wait in the threads Entry()-function
m_ClassBrowserBuilderThread->RequestTermination();
// awake the thread
m_ClassBrowserSemaphore.Post();
// free the system-resources
m_ClassBrowserBuilderThread->Wait();
// according to the wxWidgets-documentation the wxThread object itself has to be deleted explicitely,
// to free the memory, if it is created on the heap, this is not done by Wait()
delete m_ClassBrowserBuilderThread;
}
}
NS_IMETHODIMP
nsHtml5Parser::Parse(const nsAString& aSourceBuffer,
void* aKey,
const nsACString& aContentType,
bool aLastCall,
nsDTDMode aMode) // ignored
{
if (mExecutor->IsBroken()) {
return NS_ERROR_OUT_OF_MEMORY;
}
if (aSourceBuffer.Length() > PR_INT32_MAX) {
mExecutor->MarkAsBroken();
return NS_ERROR_OUT_OF_MEMORY;
}
// Maintain a reference to ourselves so we don't go away
// till we're completely done. The old parser grips itself in this method.
nsCOMPtr<nsIParser> kungFuDeathGrip(this);
// Gripping the other objects just in case, since the other old grip
// required grips to these, too.
nsRefPtr<nsHtml5StreamParser> streamKungFuDeathGrip(mStreamParser);
nsRefPtr<nsHtml5TreeOpExecutor> treeOpKungFuDeathGrip(mExecutor);
if (!mExecutor->HasStarted()) {
NS_ASSERTION(!mStreamParser,
"Had stream parser but document.write started life cycle.");
// This is the first document.write() on a document.open()ed document
mExecutor->SetParser(this);
mTreeBuilder->setScriptingEnabled(mExecutor->IsScriptEnabled());
mTokenizer->start();
mExecutor->Start();
if (!aContentType.EqualsLiteral("text/html")) {
mTreeBuilder->StartPlainText();
mTokenizer->StartPlainText();
}
/*
* If you move the following line, be very careful not to cause
* WillBuildModel to be called before the document has had its
* script global object set.
*/
mExecutor->WillBuildModel(eDTDMode_unknown);
}
// Return early if the parser has processed EOF
if (mExecutor->IsComplete()) {
return NS_OK;
}
if (aLastCall && aSourceBuffer.IsEmpty() && !aKey) {
// document.close()
NS_ASSERTION(!mStreamParser,
"Had stream parser but got document.close().");
if (mDocumentClosed) {
// already closed
return NS_OK;
}
mDocumentClosed = true;
if (!mBlocked && !mInDocumentWrite) {
ParseUntilBlocked();
}
return NS_OK;
}
// If we got this far, we are dealing with a document.write or
// document.writeln call--not document.close().
NS_ASSERTION(IsInsertionPointDefined(),
"Doc.write reached parser with undefined insertion point.");
NS_ASSERTION(!(mStreamParser && !aKey),
"Got a null key in a non-script-created parser");
// XXX is this optimization bogus?
if (aSourceBuffer.IsEmpty()) {
return NS_OK;
}
// This guard is here to prevent document.close from tokenizing synchronously
// while a document.write (that wrote the script that called document.close!)
// is still on the call stack.
mozilla::AutoRestore<bool> guard(mInDocumentWrite);
mInDocumentWrite = true;
// The script is identified by aKey. If there's nothing in the buffer
// chain for that key, we'll insert at the head of the queue.
// When the script leaves something in the queue, a zero-length
// key-holder "buffer" is inserted in the queue. If the same script
// leaves something in the chain again, it will be inserted immediately
// before the old key holder belonging to the same script.
//
// We don't do the actual data insertion yet in the hope that the data gets
// tokenized and there no data or less data to copy to the heap after
// tokenization. Also, this way, we avoid inserting one empty data buffer
// per document.write, which matters for performance when the parser isn't
// blocked and a badly-authored script calls document.write() once per
// input character. (As seen in a benchmark!)
//
// The insertion into the input stream happens conceptually before anything
// gets tokenized. To make sure multi-level document.write works right,
// it's necessary to establish the location of our parser key up front
// in case this is the first write with this key.
//
// In a document.open() case, the first write level has a null key, so that
// case is handled separately, because normal buffers containing data
// have null keys.
// These don't need to be owning references, because they always point to
// the buffer queue and buffers can't be removed from the buffer queue
// before document.write() returns. The buffer queue clean-up happens the
// next time ParseUntilBlocked() is called.
// However, they are made owning just in case the reasoning above is flawed
// and a flaw would lead to worse problems with plain pointers. If this
// turns out to be a perf problem, it's worthwhile to consider making
// prevSearchbuf a plain pointer again.
nsRefPtr<nsHtml5OwningUTF16Buffer> prevSearchBuf;
nsRefPtr<nsHtml5OwningUTF16Buffer> firstLevelMarker;
if (aKey) {
if (mFirstBuffer == mLastBuffer) {
nsHtml5OwningUTF16Buffer* keyHolder = new nsHtml5OwningUTF16Buffer(aKey);
keyHolder->next = mLastBuffer;
mFirstBuffer = keyHolder;
} else if (mFirstBuffer->key != aKey) {
prevSearchBuf = mFirstBuffer;
for (;;) {
if (prevSearchBuf->next == mLastBuffer) {
// key was not found
nsHtml5OwningUTF16Buffer* keyHolder =
new nsHtml5OwningUTF16Buffer(aKey);
keyHolder->next = mFirstBuffer;
mFirstBuffer = keyHolder;
prevSearchBuf = nsnull;
break;
}
if (prevSearchBuf->next->key == aKey) {
// found a key holder
break;
}
prevSearchBuf = prevSearchBuf->next;
}
} // else mFirstBuffer is the keyholder
// prevSearchBuf is the previous buffer before the keyholder or null if
// there isn't one.
} else {
// We have a first-level write in the document.open() case. We insert
// before mLastBuffer. We need to put a marker there, because otherwise
// additional document.writes from nested event loops would insert in the
// wrong place. Sigh.
firstLevelMarker = new nsHtml5OwningUTF16Buffer((void*)nsnull);
if (mFirstBuffer == mLastBuffer) {
firstLevelMarker->next = mLastBuffer;
mFirstBuffer = firstLevelMarker;
} else {
prevSearchBuf = mFirstBuffer;
while (prevSearchBuf->next != mLastBuffer) {
prevSearchBuf = prevSearchBuf->next;
}
firstLevelMarker->next = mLastBuffer;
prevSearchBuf->next = firstLevelMarker;
}
}
nsHtml5DependentUTF16Buffer stackBuffer(aSourceBuffer);
while (!mBlocked && stackBuffer.hasMore()) {
stackBuffer.adjust(mLastWasCR);
mLastWasCR = false;
if (stackBuffer.hasMore()) {
PRInt32 lineNumberSave;
bool inRootContext = (!mStreamParser && !aKey);
if (inRootContext) {
mTokenizer->setLineNumber(mRootContextLineNumber);
} else {
// we aren't the root context, so save the line number on the
// *stack* so that we can restore it.
lineNumberSave = mTokenizer->getLineNumber();
}
mLastWasCR = mTokenizer->tokenizeBuffer(&stackBuffer);
if (inRootContext) {
mRootContextLineNumber = mTokenizer->getLineNumber();
} else {
mTokenizer->setLineNumber(lineNumberSave);
}
if (mTreeBuilder->HasScript()) {
mTreeBuilder->Flush(); // Move ops to the executor
mExecutor->FlushDocumentWrite(); // run the ops
// Flushing tree ops can cause all sorts of things.
// Return early if the parser got terminated.
if (mExecutor->IsComplete()) {
return NS_OK;
}
}
// Ignore suspension requests
}
}
nsRefPtr<nsHtml5OwningUTF16Buffer> heapBuffer;
if (stackBuffer.hasMore()) {
// The buffer wasn't tokenized to completion. Create a copy of the tail
// on the heap.
heapBuffer = stackBuffer.FalliblyCopyAsOwningBuffer();
if (!heapBuffer) {
// Allocation failed. The parser is now broken.
mExecutor->MarkAsBroken();
return NS_ERROR_OUT_OF_MEMORY;
}
}
if (heapBuffer) {
// We have something to insert before the keyholder holding in the non-null
// aKey case and we have something to swap into firstLevelMarker in the
// null aKey case.
if (aKey) {
NS_ASSERTION(mFirstBuffer != mLastBuffer,
"Where's the keyholder?");
// the key holder is still somewhere further down the list from
// prevSearchBuf (which may be null)
if (mFirstBuffer->key == aKey) {
NS_ASSERTION(!prevSearchBuf,
"Non-null prevSearchBuf when mFirstBuffer is the key holder?");
heapBuffer->next = mFirstBuffer;
mFirstBuffer = heapBuffer;
} else {
if (!prevSearchBuf) {
prevSearchBuf = mFirstBuffer;
}
// We created a key holder earlier, so we will find it without walking
// past the end of the list.
while (prevSearchBuf->next->key != aKey) {
prevSearchBuf = prevSearchBuf->next;
}
heapBuffer->next = prevSearchBuf->next;
prevSearchBuf->next = heapBuffer;
}
} else {
NS_ASSERTION(firstLevelMarker, "How come we don't have a marker.");
firstLevelMarker->Swap(heapBuffer);
}
}
if (!mBlocked) { // buffer was tokenized to completion
NS_ASSERTION(!stackBuffer.hasMore(),
"Buffer wasn't tokenized to completion?");
// Scripting semantics require a forced tree builder flush here
mTreeBuilder->Flush(); // Move ops to the executor
mExecutor->FlushDocumentWrite(); // run the ops
} else if (stackBuffer.hasMore()) {
// The buffer wasn't tokenized to completion. Tokenize the untokenized
// content in order to preload stuff. This content will be retokenized
// later for normal parsing.
if (!mDocWriteSpeculatorActive) {
mDocWriteSpeculatorActive = true;
if (!mDocWriteSpeculativeTreeBuilder) {
// Lazily initialize if uninitialized
mDocWriteSpeculativeTreeBuilder =
new nsHtml5TreeBuilder(nsnull, mExecutor->GetStage());
mDocWriteSpeculativeTreeBuilder->setScriptingEnabled(
mTreeBuilder->isScriptingEnabled());
mDocWriteSpeculativeTokenizer =
new nsHtml5Tokenizer(mDocWriteSpeculativeTreeBuilder, false);
mDocWriteSpeculativeTokenizer->setInterner(&mAtomTable);
mDocWriteSpeculativeTokenizer->start();
}
mDocWriteSpeculativeTokenizer->resetToDataState();
mDocWriteSpeculativeTreeBuilder->loadState(mTreeBuilder, &mAtomTable);
mDocWriteSpeculativeLastWasCR = false;
}
// Note that with multilevel document.write if we didn't just activate the
// speculator, it's possible that the speculator is now in the wrong state.
// That's OK for the sake of simplicity. The worst that can happen is
// that the speculative loads aren't exactly right. The content will be
// reparsed anyway for non-preload purposes.
// The buffer position for subsequent non-speculative parsing now lives
// in heapBuffer, so it's ok to let the buffer position of stackBuffer
// to be overwritten and not restored below.
while (stackBuffer.hasMore()) {
stackBuffer.adjust(mDocWriteSpeculativeLastWasCR);
if (stackBuffer.hasMore()) {
mDocWriteSpeculativeLastWasCR =
mDocWriteSpeculativeTokenizer->tokenizeBuffer(&stackBuffer);
}
}
mDocWriteSpeculativeTreeBuilder->Flush();
mDocWriteSpeculativeTreeBuilder->DropHandles();
mExecutor->FlushSpeculativeLoads();
}
return NS_OK;
}
ret_ CXMLLoaderActions::Load(XercesDOMParser *pParser,
const ch_1 *pszEnvironmentPath)
{
#ifdef _DEBUG_
if (!pParser)
return PARAMETER_NULL | PARAMETER_1;
if (!pszEnvironmentPath)
return PARAMETER_NULL | PARAMETER_2;
if (null_v == pszEnvironmentPath[0])
return PARAMETER_EMPTY | PARAMETER_2;
#endif
SetParser(pParser);
ch_1 sActions[ENVIRONMENT_PATH_LENGTH];
memset(sActions, 0, ENVIRONMENT_PATH_LENGTH);
sprintf(sActions, "%s%s", pszEnvironmentPath, ACTIONS_XML_FILE);
DOMDocument *pActionsDoc = null_v;
try
{
GetParser()->parse(sActions);
pActionsDoc = GetParser()->getDocument();
}
catch (const OutOfMemoryException &err)
{
auto_xerces_str sErr(err.getMessage());
printf("%s\n", (const ch_1 *)sErr);
return XML_LOADER_ERROR;
}
catch (const XMLException &err)
{
auto_xerces_str sErr(err.getMessage());
printf("%s\n", (const ch_1 *)sErr);
return XML_LOADER_ERROR;
}
catch (const DOMException &err)
{
auto_xerces_str sErr(err.msg);
printf("%s\n", (const ch_1 *)sErr);
return XML_LOADER_ERROR;
}
catch (...)
{
printf("Unexpected error during parsing.\n");
return XML_LOADER_ERROR;
}
if (!pActionsDoc)
return XML_LOADER_ERROR;
DOMElement *pRoot = pActionsDoc->getDocumentElement();
if (!pRoot)
return XML_LOADER_ERROR;
DOMElement *pChild = (DOMElement *)pRoot->getFirstChild();
if (!pChild)
return XML_LOADER_ERROR;
auto_xerces_str wsDataBlock("data_block");
auto_xerces_str wsStart("start");
auto_xerces_str wsProcessor("processor");
auto_xerces_str wsEnd("end");
while (pChild)
{
if (0 == XMLString::compareString(pChild->getNodeName(),
wsDataBlock))
{
if (SUCCESS != LoadDataBlock(CUIManager::Instance()->Data(),
pChild))
{
return XML_LOADER_ERROR;
}
}
else if (0 == XMLString::compareString(pChild->getNodeName(),
wsStart))
{
if (SUCCESS != LoadProgram(&CUIManager::Instance()->Data(),
CUIManager::Instance()->StartProgram(),
pChild))
{
return XML_LOADER_ERROR;
}
}
else if (0 == XMLString::compareString(pChild->getNodeName(),
wsProcessor))
{
if (SUCCESS != LoadProcessor(pChild))
return XML_LOADER_ERROR;
m_pTmpContainer = null_v;
}
else if (0 == XMLString::compareString(pChild->getNodeName(),
wsEnd))
{
if (SUCCESS != LoadProgram(&CUIManager::Instance()->Data(),
CUIManager::Instance()->EndProgram(),
pChild))
{
return XML_LOADER_ERROR;
}
}
pChild = (DOMElement *)pChild->getNextSibling();
}
return SUCCESS;
}
nsresult
nsHtml5Parser::ParseHtml5Fragment(const nsAString& aSourceBuffer,
nsIContent* aTargetNode,
nsIAtom* aContextLocalName,
PRInt32 aContextNamespace,
bool aQuirks,
bool aPreventScriptExecution)
{
NS_ENSURE_TRUE(aSourceBuffer.Length() <= PR_INT32_MAX,
NS_ERROR_OUT_OF_MEMORY);
nsIDocument* doc = aTargetNode->OwnerDoc();
nsIURI* uri = doc->GetDocumentURI();
NS_ENSURE_TRUE(uri, NS_ERROR_NOT_AVAILABLE);
mExecutor->EnableFragmentMode(aPreventScriptExecution);
Initialize(doc, uri, nsnull, nsnull);
mExecutor->SetParser(this);
mExecutor->SetNodeInfoManager(doc->NodeInfoManager());
nsIContent* target = aTargetNode;
mTreeBuilder->setFragmentContext(aContextLocalName,
aContextNamespace,
&target,
aQuirks);
#ifdef DEBUG
if (!aPreventScriptExecution) {
NS_ASSERTION(!aTargetNode->IsInDoc(),
"If script execution isn't prevented, "
"the target node must not be in doc.");
nsCOMPtr<nsIDOMDocumentFragment> domFrag = do_QueryInterface(aTargetNode);
NS_ASSERTION(domFrag,
"If script execution isn't prevented, must parse to DOM fragment.");
}
#endif
NS_PRECONDITION(!mExecutor->HasStarted(),
"Tried to start parse without initializing the parser.");
mTreeBuilder->setScriptingEnabled(mExecutor->IsScriptEnabled());
mTokenizer->start();
mExecutor->Start(); // Don't call WillBuildModel in fragment case
if (!aSourceBuffer.IsEmpty()) {
bool lastWasCR = false;
nsHtml5DependentUTF16Buffer buffer(aSourceBuffer);
while (buffer.hasMore()) {
buffer.adjust(lastWasCR);
lastWasCR = false;
if (buffer.hasMore()) {
lastWasCR = mTokenizer->tokenizeBuffer(&buffer);
if (mTreeBuilder->HasScript()) {
// Flush on each script, because the execution prevention code
// can handle at most one script per flush.
mTreeBuilder->Flush(); // Move ops to the executor
mExecutor->FlushDocumentWrite(); // run the ops
}
}
}
}
mTokenizer->eof();
mTreeBuilder->StreamEnded();
mTreeBuilder->Flush();
mExecutor->FlushDocumentWrite();
mTokenizer->end();
mExecutor->DropParserAndPerfHint();
mExecutor->DropHeldElements();
mTreeBuilder->DropHandles();
mAtomTable.Clear();
return NS_OK;
}
NS_IMETHODIMP
nsHtml5Parser::Parse(const nsAString& aSourceBuffer,
void* aKey,
const nsACString& aContentType, // ignored
bool aLastCall,
nsDTDMode aMode) // ignored
{
NS_PRECONDITION(!mExecutor->IsFragmentMode(),
"Document.write called in fragment mode!");
if (mExecutor->IsBroken()) {
return NS_ERROR_OUT_OF_MEMORY;
}
if (aSourceBuffer.Length() > PR_INT32_MAX) {
mExecutor->MarkAsBroken();
return NS_ERROR_OUT_OF_MEMORY;
}
// Maintain a reference to ourselves so we don't go away
// till we're completely done. The old parser grips itself in this method.
nsCOMPtr<nsIParser> kungFuDeathGrip(this);
// Gripping the other objects just in case, since the other old grip
// required grips to these, too.
nsRefPtr<nsHtml5StreamParser> streamKungFuDeathGrip(mStreamParser);
nsRefPtr<nsHtml5TreeOpExecutor> treeOpKungFuDeathGrip(mExecutor);
if (!mExecutor->HasStarted()) {
NS_ASSERTION(!mStreamParser,
"Had stream parser but document.write started life cycle.");
// This is the first document.write() on a document.open()ed document
mExecutor->SetParser(this);
mTreeBuilder->setScriptingEnabled(mExecutor->IsScriptEnabled());
mTokenizer->start();
mExecutor->Start();
/*
* If you move the following line, be very careful not to cause
* WillBuildModel to be called before the document has had its
* script global object set.
*/
mExecutor->WillBuildModel(eDTDMode_unknown);
}
// Return early if the parser has processed EOF
if (mExecutor->IsComplete()) {
return NS_OK;
}
if (aLastCall && aSourceBuffer.IsEmpty() && aKey == GetRootContextKey()) {
// document.close()
NS_ASSERTION(!mStreamParser,
"Had stream parser but got document.close().");
mDocumentClosed = true;
if (!mBlocked) {
ParseUntilBlocked();
}
return NS_OK;
}
NS_ASSERTION(IsInsertionPointDefined(),
"Doc.write reached parser with undefined insertion point.");
NS_ASSERTION(!(mStreamParser && !aKey),
"Got a null key in a non-script-created parser");
if (aSourceBuffer.IsEmpty()) {
return NS_OK;
}
nsHtml5DependentUTF16Buffer stackBuffer(aSourceBuffer);
while (!mBlocked && stackBuffer.hasMore()) {
stackBuffer.adjust(mLastWasCR);
mLastWasCR = false;
if (stackBuffer.hasMore()) {
PRInt32 lineNumberSave;
bool inRootContext = (!mStreamParser && (aKey == mRootContextKey));
if (inRootContext) {
mTokenizer->setLineNumber(mRootContextLineNumber);
} else {
// we aren't the root context, so save the line number on the
// *stack* so that we can restore it.
lineNumberSave = mTokenizer->getLineNumber();
}
mLastWasCR = mTokenizer->tokenizeBuffer(&stackBuffer);
if (inRootContext) {
mRootContextLineNumber = mTokenizer->getLineNumber();
} else {
mTokenizer->setLineNumber(lineNumberSave);
}
if (mTreeBuilder->HasScript()) {
mTreeBuilder->Flush(); // Move ops to the executor
mExecutor->FlushDocumentWrite(); // run the ops
}
// Ignore suspension requests
}
}
nsRefPtr<nsHtml5OwningUTF16Buffer> heapBuffer;
if (stackBuffer.hasMore()) {
// The buffer wasn't tokenized to completion. Create a copy of the tail
// on the heap.
heapBuffer = stackBuffer.FalliblyCopyAsOwningBuffer();
if (!heapBuffer) {
// Allocation failed. The parser is now broken.
mExecutor->MarkAsBroken();
return NS_ERROR_OUT_OF_MEMORY;
}
}
// The buffer is inserted to the stream here in case it won't be parsed
// to completion.
// The script is identified by aKey. If there's nothing in the buffer
// chain for that key, we'll insert at the head of the queue.
// When the script leaves something in the queue, a zero-length
// key-holder "buffer" is inserted in the queue. If the same script
// leaves something in the chain again, it will be inserted immediately
// before the old key holder belonging to the same script.
nsHtml5OwningUTF16Buffer* prevSearchBuf = nsnull;
nsHtml5OwningUTF16Buffer* searchBuf = mFirstBuffer;
// after document.open, the first level of document.write has null key
if (aKey) {
while (searchBuf != mLastBuffer) {
if (searchBuf->key == aKey) {
// found a key holder
// now insert the new buffer between the previous buffer
// and the key holder if we have a buffer left.
if (heapBuffer) {
heapBuffer->next = searchBuf;
if (prevSearchBuf) {
prevSearchBuf->next = heapBuffer;
} else {
mFirstBuffer = heapBuffer;
}
}
break;
}
prevSearchBuf = searchBuf;
searchBuf = searchBuf->next;
}
if (searchBuf == mLastBuffer) {
// key was not found
nsHtml5OwningUTF16Buffer* keyHolder = new nsHtml5OwningUTF16Buffer(aKey);
keyHolder->next = mFirstBuffer;
if (heapBuffer) {
heapBuffer->next = keyHolder;
mFirstBuffer = heapBuffer;
} else {
mFirstBuffer = keyHolder;
}
}
} else if (heapBuffer) {
// we have a first level document.write after document.open()
// insert immediately before mLastBuffer
while (searchBuf != mLastBuffer) {
prevSearchBuf = searchBuf;
searchBuf = searchBuf->next;
}
heapBuffer->next = mLastBuffer;
if (prevSearchBuf) {
prevSearchBuf->next = heapBuffer;
} else {
mFirstBuffer = heapBuffer;
}
}
if (!mBlocked) { // buffer was tokenized to completion
NS_ASSERTION(!stackBuffer.hasMore(),
"Buffer wasn't tokenized to completion?");
// Scripting semantics require a forced tree builder flush here
mTreeBuilder->Flush(); // Move ops to the executor
mExecutor->FlushDocumentWrite(); // run the ops
} else if (stackBuffer.hasMore()) {
// The buffer wasn't tokenized to completion. Tokenize the untokenized
// content in order to preload stuff. This content will be retokenized
// later for normal parsing.
if (!mDocWriteSpeculatorActive) {
mDocWriteSpeculatorActive = true;
if (!mDocWriteSpeculativeTreeBuilder) {
// Lazily initialize if uninitialized
mDocWriteSpeculativeTreeBuilder =
new nsHtml5TreeBuilder(nsnull, mExecutor->GetStage());
mDocWriteSpeculativeTreeBuilder->setScriptingEnabled(
mTreeBuilder->isScriptingEnabled());
mDocWriteSpeculativeTokenizer =
new nsHtml5Tokenizer(mDocWriteSpeculativeTreeBuilder);
mDocWriteSpeculativeTokenizer->setInterner(&mAtomTable);
mDocWriteSpeculativeTokenizer->start();
}
mDocWriteSpeculativeTokenizer->resetToDataState();
mDocWriteSpeculativeTreeBuilder->loadState(mTreeBuilder, &mAtomTable);
mDocWriteSpeculativeLastWasCR = false;
}
// Note that with multilevel document.write if we didn't just activate the
// speculator, it's possible that the speculator is now in the wrong state.
// That's OK for the sake of simplicity. The worst that can happen is
// that the speculative loads aren't exactly right. The content will be
// reparsed anyway for non-preload purposes.
// The buffer position for subsequent non-speculative parsing now lives
// in heapBuffer, so it's ok to let the buffer position of stackBuffer
// to be overwritten and not restored below.
while (stackBuffer.hasMore()) {
stackBuffer.adjust(mDocWriteSpeculativeLastWasCR);
if (stackBuffer.hasMore()) {
mDocWriteSpeculativeLastWasCR =
mDocWriteSpeculativeTokenizer->tokenizeBuffer(&stackBuffer);
}
}
mDocWriteSpeculativeTreeBuilder->Flush();
mDocWriteSpeculativeTreeBuilder->DropHandles();
mExecutor->FlushSpeculativeLoads();
}
return NS_OK;
}
ret_ CXMLLoaderNetwork::Load(XercesDOMParser *pParser,
const ch_1 *pszEnvironmentPath)
{
_START(LOAD);
#ifdef _DEBUG_
if (!pParser)
_RET(PARAMETER_NULL | PARAMETER_1);
if (!pszEnvironmentPath)
_RET(PARAMETER_NULL | PARAMETER_2);
if (null_v == pszEnvironmentPath[0])
_RET(PARAMETER_EMPTY | PARAMETER_2);
#endif
SetParser(pParser);
ch_1 sNetwork[ENVIRONMENT_PATH_LENGTH];
memset(sNetwork, 0, ENVIRONMENT_PATH_LENGTH);
strncpy(sNetwork, pszEnvironmentPath, ENVIRONMENT_PATH_LENGTH);
strncat(sNetwork, NETWORK_XML_FILE, ENVIRONMENT_PATH_LENGTH);
DOMDocument *pNetworkDoc = null_v;
try
{
GetParser()->parse(sNetwork);
pNetworkDoc = GetParser()->getDocument();
}
catch (const OutOfMemoryException &err)
{
auto_xerces_str sErr(err.getMessage());
printf("%s\n", (const ch_1 *)sErr);
_RET(XML_LOADER_ERROR);
}
catch (const XMLException &err)
{
auto_xerces_str sErr(err.getMessage());
printf("%s\n", (const ch_1 *)sErr);
_RET(XML_LOADER_ERROR);
}
catch (const DOMException &err)
{
auto_xerces_str sErr(err.getMessage());
printf("%s\n", (const ch_1 *)sErr);
_RET(XML_LOADER_ERROR);
}
catch (...)
{
printf("Unexpected error during parsing.\n");
_RET(XML_LOADER_ERROR);
}
DOMElement *pRoot = pNetworkDoc->getDocumentElement();
if (!pRoot)
_RET(XML_LOADER_ERROR);
DOMElement *pChild = (DOMElement *)pRoot->getFirstChild();
if (!pChild)
_RET(XML_LOADER_ERROR);
auto_xerces_str wsIdentity ("identity");
auto_xerces_str wsPDU ("pdu");
auto_xerces_str wsDirection ("direction");
auto_xerces_str wsName ("name");
auto_xerces_str wsProtocolName ("protocol");
auto_xerces_str wsCommandID ("command_id");
auto_xerces_str wsSizeID ("size_id");
auto_xerces_str wsLocalPort ("local_port");
auto_xerces_str wsAuto ("auto");
auto_xerces_str wsFilter ("filter");
auto_xerces_str wsMaxConnections("max_connections");
auto_xerces_str wsRemoteIP ("remote_ip");
auto_xerces_str wsRemotePort ("remote_port");
auto_xerces_str wsReconnect ("reconnect");
auto_xerces_str wsAcceptorName ("acceptor");
auto_xerces_str wsConnectorName ("connector");
auto_xerces_str wsReceiverName ("receiver");
auto_xerces_str wsSenderName ("sender");
auto_xerces_str wsType ("type");
while (pChild)
{
ENetworkType NetworkType = NETWORK_NONE;
CProtocolInfo *pProtocol = null_v;
CField *pCommandIDField = null_v;
CField *pSizeIDField = null_v;
bool_ bIsAutoStart = true_v;
if (0 == XMLString::compareString(pChild->getNodeName(),
wsAcceptorName))
{
NetworkType = NETWORK_ACCEPTOR;
}
else if (0 == XMLString::compareString(pChild->getNodeName(),
wsConnectorName))
{
NetworkType = NETWORK_CONNECTOR;
}
else if (0 == XMLString::compareString(pChild->getNodeName(),
wsReceiverName))
{
NetworkType = NETWORK_RECEIVER;
}
else if (0 == XMLString::compareString(pChild->getNodeName(),
wsSenderName))
{
NetworkType = NETWORK_SENDER;
}
else
{
pChild = (DOMElement *)pChild->getNextSibling();
continue;
}
auto_xerces_str sProtocolName(pChild->getAttribute(wsProtocolName));
if (SUCCESS != _ERR(
CXMLLoaderProtocol::Instance()->Load(pParser,
pszEnvironmentPath,
sProtocolName)))
{
_RET(XML_LOADER_ERROR);
}
//
if (SUCCESS != _ERR(
CProtocolManager::instance()->getProtocol(sProtocolName,
pProtocol)))
{
_RET(XML_LOADER_ERROR);
}
//
auto_xerces_str sCommandID(pChild->getAttribute(wsCommandID));
if (SUCCESS != _ERR(pProtocol->getHeadField(sCommandID,
pCommandIDField))
|| FIELD_NORMAL_STYLE !=
(pCommandIDField->type() & FIELD_NORMAL_STYLE)
|| 4 < _LEN(pCommandIDField->type()))
{
_RET(XML_LOADER_ERROR);
}
//
auto_xerces_str sSizeID(pChild->getAttribute(wsSizeID));
if (SUCCESS != _ERR(pProtocol->getHeadField(sSizeID,
pSizeIDField))
|| FIELD_NORMAL_STYLE !=
(pSizeIDField->type() & FIELD_NORMAL_STYLE)
|| 4 < _LEN(pSizeIDField->type()))
{
_RET(XML_LOADER_ERROR);
}
//
auto_xerces_str wsAutoFalse("false");
if (0 == XMLString::compareString(wsAutoFalse,
pChild->getAttribute(wsAuto)))
{
bIsAutoStart = false_v;
}
CNode *pNetwork = null_v;
auto_xerces_str sName(pChild->getAttribute(wsName));
switch (NetworkType)
{
case NETWORK_NONE:
_RET(XML_LOADER_ERROR);
case NETWORK_ACCEPTOR:
{
auto_xerces_str sLocalPort(pChild->getAttribute(wsLocalPort));
auto_xerces_str
sMaxConnections(pChild->getAttribute(wsMaxConnections));
pNetwork = new CAcceptor(pProtocol,
pCommandIDField,
pSizeIDField,
(ub_2)atoi(sLocalPort),
(size_)atoi(sMaxConnections),
bIsAutoStart);
}
break;
case NETWORK_CONNECTOR:
{
//
auto_xerces_str nLocalPort (pChild->getAttribute(wsLocalPort));
auto_xerces_str sRemoteIP (pChild->getAttribute(wsRemoteIP));
auto_xerces_str nRemotePort
(pChild->getAttribute(wsRemotePort));
auto_xerces_str sReconnect (pChild->getAttribute(wsReconnect));
pNetwork = new CConnector(pProtocol,
pCommandIDField,
pSizeIDField,
(ub_2)atoi(nLocalPort),
(const ch_1 *)sRemoteIP,
(ub_2)atoi(nRemotePort),
(b_4)atoi(sReconnect),
bIsAutoStart);
}
break;
case NETWORK_RECEIVER:
{
//
auto_xerces_str sLocalPort(pChild->getAttribute(wsLocalPort));
pNetwork = new CReceiver(pProtocol,
pCommandIDField,
pSizeIDField,
(ub_2)atoi(sLocalPort),
bIsAutoStart);
}
break;
case NETWORK_SENDER:
{
//
auto_xerces_str sLocalPort(pChild->getAttribute(wsLocalPort));
pNetwork = new CSender(pProtocol,
pCommandIDField,
pSizeIDField,
(ub_2)atoi(sLocalPort),
bIsAutoStart);
}
}
CNodeConf *pNetworkConf = (CNodeConf *) pNetwork->getConf();
//
DOMElement *pSub = (DOMElement *)pChild->getFirstChild();
if (!pSub)
_RET(XML_LOADER_ERROR);
while (pSub)
{
if (0 == XMLString::compareString(pSub->getNodeName(),
wsIdentity))
{
//
auto_xerces_str sIdentity(pSub->getAttribute(wsIdentity));
ch_1 *sIdentityName = null_v;
if (SUCCESS != _ERR(GetLastName(sIdentity, sIdentityName)))
_RET(XML_LOADER_ERROR);
v_ *pV = pProtocol->data().value(sIdentityName);
if (!pV)
_RET(XML_LOADER_ERROR);
//
auto_xerces_str sPDU(pSub->getAttribute(wsPDU));
CPduInfo *pPDU = null_v;
if (SUCCESS != _ERR(pProtocol->getPdu(sPDU, pPDU)))
_RET(XML_LOADER_ERROR);
//
auto_xerces_str sDirection(pSub->getAttribute(wsDirection));
EDirection Direction;
if (SUCCESS != _ERR(GetDirection(sDirection, Direction)))
_RET(XML_LOADER_ERROR);
//
if (SUCCESS != _ERR(pNetworkConf->ConfigPDU(*pV,
pPDU,
Direction)))
{
_RET(XML_LOADER_ERROR);
}
}
else if (0 == XMLString::compareString(pSub->getNodeName(),
wsFilter))
{
CIPFilter *pIPFilter = null_v;
if (NETWORK_ACCEPTOR == NetworkType)
{
pIPFilter =
&((CAcceptorConf *)pNetworkConf)->IPFilter();
}
else if (NETWORK_RECEIVER == NetworkType)
{
pIPFilter =
&((CReceiverConf *)pNetworkConf)->IPFilter();
}
else
{
_RET(XML_LOADER_ERROR);
}
auto_xerces_str sType(pSub->getAttribute(wsType));
if (0 == strcmp(sType, "forbid")) {
pIPFilter->setForbid(true_v);
} else if (0 == strcmp(sType, "permit")) {
pIPFilter->setForbid(false_v);
}
auto_xerces_str sIPGroup(pSub->getTextContent());
if (false_v == pIPFilter->addIpGroup((const ch_1 *) sIPGroup))
_RET(XML_LOADER_ERROR);
}
pSub = (DOMElement *)pSub->getNextSibling();
}
if (SUCCESS != _ERR(CNetworkManager::instance()->AddNetwork(
(const char *)sName,
NetworkType,
pNetwork)))
{
_RET(XML_LOADER_ERROR);
}
pChild = (DOMElement *)pChild->getNextSibling();
}
_RET(SUCCESS);
}
NS_IMETHODIMP
nsHtml5Parser::Parse(const nsAString& aSourceBuffer,
void* aKey,
const nsACString& aContentType, // ignored
PRBool aLastCall,
nsDTDMode aMode) // ignored
{
NS_PRECONDITION(!mExecutor->IsFragmentMode(),
"Document.write called in fragment mode!");
// Maintain a reference to ourselves so we don't go away
// till we're completely done. The old parser grips itself in this method.
nsCOMPtr<nsIParser> kungFuDeathGrip(this);
// Gripping the other objects just in case, since the other old grip
// required grips to these, too.
nsRefPtr<nsHtml5StreamParser> streamKungFuDeathGrip(mStreamParser);
nsRefPtr<nsHtml5TreeOpExecutor> treeOpKungFuDeathGrip(mExecutor);
if (!mExecutor->HasStarted()) {
NS_ASSERTION(!mStreamParser,
"Had stream parser but document.write started life cycle.");
// This is the first document.write() on a document.open()ed document
mExecutor->SetParser(this);
mTreeBuilder->setScriptingEnabled(mExecutor->IsScriptEnabled());
mTokenizer->start();
mExecutor->Start();
/*
* If you move the following line, be very careful not to cause
* WillBuildModel to be called before the document has had its
* script global object set.
*/
mExecutor->WillBuildModel(eDTDMode_unknown);
}
// Return early if the parser has processed EOF
if (mExecutor->IsComplete()) {
return NS_OK;
}
if (aLastCall && aSourceBuffer.IsEmpty() && aKey == GetRootContextKey()) {
// document.close()
NS_ASSERTION(!mStreamParser,
"Had stream parser but got document.close().");
mDocumentClosed = PR_TRUE;
if (!mBlocked) {
ParseUntilBlocked();
}
return NS_OK;
}
NS_ASSERTION(IsInsertionPointDefined(),
"Doc.write reached parser with undefined insertion point.");
NS_ASSERTION(!(mStreamParser && !aKey),
"Got a null key in a non-script-created parser");
if (aSourceBuffer.IsEmpty()) {
return NS_OK;
}
nsRefPtr<nsHtml5UTF16Buffer> buffer =
new nsHtml5UTF16Buffer(aSourceBuffer.Length());
memcpy(buffer->getBuffer(),
aSourceBuffer.BeginReading(),
aSourceBuffer.Length() * sizeof(PRUnichar));
buffer->setEnd(aSourceBuffer.Length());
// The buffer is inserted to the stream here in case it won't be parsed
// to completion.
// The script is identified by aKey. If there's nothing in the buffer
// chain for that key, we'll insert at the head of the queue.
// When the script leaves something in the queue, a zero-length
// key-holder "buffer" is inserted in the queue. If the same script
// leaves something in the chain again, it will be inserted immediately
// before the old key holder belonging to the same script.
nsHtml5UTF16Buffer* prevSearchBuf = nsnull;
nsHtml5UTF16Buffer* searchBuf = mFirstBuffer;
// after document.open, the first level of document.write has null key
if (aKey) {
while (searchBuf != mLastBuffer) {
if (searchBuf->key == aKey) {
// found a key holder
// now insert the new buffer between the previous buffer
// and the key holder.
buffer->next = searchBuf;
if (prevSearchBuf) {
prevSearchBuf->next = buffer;
} else {
mFirstBuffer = buffer;
}
break;
}
prevSearchBuf = searchBuf;
searchBuf = searchBuf->next;
}
if (searchBuf == mLastBuffer) {
// key was not found
nsHtml5UTF16Buffer* keyHolder = new nsHtml5UTF16Buffer(aKey);
keyHolder->next = mFirstBuffer;
buffer->next = keyHolder;
mFirstBuffer = buffer;
}
} else {
// we have a first level document.write after document.open()
// insert immediately before mLastBuffer
while (searchBuf != mLastBuffer) {
prevSearchBuf = searchBuf;
searchBuf = searchBuf->next;
}
buffer->next = mLastBuffer;
if (prevSearchBuf) {
prevSearchBuf->next = buffer;
} else {
mFirstBuffer = buffer;
}
}
while (!mBlocked && buffer->hasMore()) {
buffer->adjust(mLastWasCR);
mLastWasCR = PR_FALSE;
if (buffer->hasMore()) {
PRInt32 lineNumberSave;
PRBool inRootContext = (!mStreamParser && (aKey == mRootContextKey));
if (inRootContext) {
mTokenizer->setLineNumber(mRootContextLineNumber);
} else {
// we aren't the root context, so save the line number on the
// *stack* so that we can restore it.
lineNumberSave = mTokenizer->getLineNumber();
}
mLastWasCR = mTokenizer->tokenizeBuffer(buffer);
if (inRootContext) {
mRootContextLineNumber = mTokenizer->getLineNumber();
} else {
mTokenizer->setLineNumber(lineNumberSave);
}
if (mTreeBuilder->HasScript()) {
mTreeBuilder->Flush(); // Move ops to the executor
mExecutor->FlushDocumentWrite(); // run the ops
}
// Ignore suspension requests
}
}
if (!mBlocked) { // buffer was tokenized to completion
NS_ASSERTION(!buffer->hasMore(), "Buffer wasn't tokenized to completion?");
// Scripting semantics require a forced tree builder flush here
mTreeBuilder->Flush(); // Move ops to the executor
mExecutor->FlushDocumentWrite(); // run the ops
}
return NS_OK;
}
