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-rw-r--r--parser/html/nsHtml5TreeOperation.h635
1 files changed, 635 insertions, 0 deletions
diff --git a/parser/html/nsHtml5TreeOperation.h b/parser/html/nsHtml5TreeOperation.h
new file mode 100644
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+++ b/parser/html/nsHtml5TreeOperation.h
@@ -0,0 +1,635 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsHtml5TreeOperation_h
+#define nsHtml5TreeOperation_h
+
+#include "nsHtml5DocumentMode.h"
+#include "nsHtml5HtmlAttributes.h"
+#include "mozilla/dom/FromParser.h"
+#include "mozilla/NotNull.h"
+#include "mozilla/Variant.h"
+#include "nsCharsetSource.h"
+
+class nsIContent;
+class nsHtml5TreeOpExecutor;
+class nsHtml5DocumentBuilder;
+namespace mozilla {
+class Encoding;
+
+namespace dom {
+class Text;
+} // namespace dom
+} // namespace mozilla
+
+struct uninitialized {};
+
+// main HTML5 ops
+struct opDetach {
+ nsIContent** mElement;
+
+ explicit opDetach(nsIContentHandle* aElement) {
+ mElement = static_cast<nsIContent**>(aElement);
+ };
+};
+
+struct opAppend {
+ nsIContent** mChild;
+ nsIContent** mParent;
+ mozilla::dom::FromParser mFromNetwork;
+
+ explicit opAppend(nsIContentHandle* aChild, nsIContentHandle* aParent,
+ mozilla::dom::FromParser aFromNetwork)
+ : mFromNetwork(aFromNetwork) {
+ mChild = static_cast<nsIContent**>(aChild);
+ mParent = static_cast<nsIContent**>(aParent);
+ };
+};
+
+struct opAppendChildrenToNewParent {
+ nsIContent** mOldParent;
+ nsIContent** mNewParent;
+
+ explicit opAppendChildrenToNewParent(nsIContentHandle* aOldParent,
+ nsIContentHandle* aNewParent) {
+ mOldParent = static_cast<nsIContent**>(aOldParent);
+ mNewParent = static_cast<nsIContent**>(aNewParent);
+ };
+};
+
+struct opFosterParent {
+ nsIContent** mChild;
+ nsIContent** mStackParent;
+ nsIContent** mTable;
+
+ explicit opFosterParent(nsIContentHandle* aChild,
+ nsIContentHandle* aStackParent,
+ nsIContentHandle* aTable) {
+ mChild = static_cast<nsIContent**>(aChild);
+ mStackParent = static_cast<nsIContent**>(aStackParent);
+ mTable = static_cast<nsIContent**>(aTable);
+ };
+};
+
+struct opAppendToDocument {
+ nsIContent** mContent;
+
+ explicit opAppendToDocument(nsIContentHandle* aContent) {
+ mContent = static_cast<nsIContent**>(aContent);
+ };
+};
+
+struct opAddAttributes {
+ nsIContent** mElement;
+ nsHtml5HtmlAttributes* mAttributes;
+
+ explicit opAddAttributes(nsIContentHandle* aElement,
+ nsHtml5HtmlAttributes* aAttributes)
+ : mAttributes(aAttributes) {
+ mElement = static_cast<nsIContent**>(aElement);
+ };
+};
+
+struct opCreateHTMLElement {
+ nsIContent** mContent;
+ nsAtom* mName;
+ nsHtml5HtmlAttributes* mAttributes;
+ mozilla::dom::HTMLContentCreatorFunction mCreator;
+ nsIContent** mIntendedParent;
+ mozilla::dom::FromParser mFromNetwork;
+
+ explicit opCreateHTMLElement(
+ nsIContentHandle* aContent, nsAtom* aName,
+ nsHtml5HtmlAttributes* aAttributes,
+ mozilla::dom::HTMLContentCreatorFunction aCreator,
+ nsIContentHandle* aIntendedParent, mozilla::dom::FromParser mFromNetwork)
+ : mName(aName),
+ mAttributes(aAttributes),
+ mCreator(aCreator),
+ mFromNetwork(mFromNetwork) {
+ mContent = static_cast<nsIContent**>(aContent);
+ mIntendedParent = static_cast<nsIContent**>(aIntendedParent);
+ aName->AddRef();
+ if (mAttributes == nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES) {
+ mAttributes = nullptr;
+ }
+ };
+};
+
+struct opCreateSVGElement {
+ nsIContent** mContent;
+ nsAtom* mName;
+ nsHtml5HtmlAttributes* mAttributes;
+ mozilla::dom::SVGContentCreatorFunction mCreator;
+ nsIContent** mIntendedParent;
+ mozilla::dom::FromParser mFromNetwork;
+
+ explicit opCreateSVGElement(nsIContentHandle* aContent, nsAtom* aName,
+ nsHtml5HtmlAttributes* aAttributes,
+ mozilla::dom::SVGContentCreatorFunction aCreator,
+ nsIContentHandle* aIntendedParent,
+ mozilla::dom::FromParser mFromNetwork)
+ : mName(aName),
+ mAttributes(aAttributes),
+ mCreator(aCreator),
+ mFromNetwork(mFromNetwork) {
+ mContent = static_cast<nsIContent**>(aContent);
+ mIntendedParent = static_cast<nsIContent**>(aIntendedParent);
+ aName->AddRef();
+ if (mAttributes == nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES) {
+ mAttributes = nullptr;
+ }
+ };
+};
+
+struct opCreateMathMLElement {
+ nsIContent** mContent;
+ nsAtom* mName;
+ nsHtml5HtmlAttributes* mAttributes;
+ nsIContent** mIntendedParent;
+
+ explicit opCreateMathMLElement(nsIContentHandle* aContent, nsAtom* aName,
+ nsHtml5HtmlAttributes* aAttributes,
+ nsIContentHandle* aIntendedParent)
+ : mName(aName), mAttributes(aAttributes) {
+ mContent = static_cast<nsIContent**>(aContent);
+ mIntendedParent = static_cast<nsIContent**>(aIntendedParent);
+ aName->AddRef();
+ if (mAttributes == nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES) {
+ mAttributes = nullptr;
+ }
+ };
+};
+
+struct opSetFormElement {
+ nsIContent** mContent;
+ nsIContent** mFormElement;
+
+ explicit opSetFormElement(nsIContentHandle* aContent,
+ nsIContentHandle* aFormElement) {
+ mContent = static_cast<nsIContent**>(aContent);
+ mFormElement = static_cast<nsIContent**>(aFormElement);
+ };
+};
+
+struct opAppendText {
+ nsIContent** mParent;
+ char16_t* mBuffer;
+ int32_t mLength;
+
+ explicit opAppendText(nsIContentHandle* aParent, char16_t* aBuffer,
+ int32_t aLength)
+ : mBuffer(aBuffer), mLength(aLength) {
+ mParent = static_cast<nsIContent**>(aParent);
+ };
+};
+
+struct opFosterParentText {
+ nsIContent** mStackParent;
+ char16_t* mBuffer;
+ nsIContent** mTable;
+ int32_t mLength;
+
+ explicit opFosterParentText(nsIContentHandle* aStackParent, char16_t* aBuffer,
+ nsIContentHandle* aTable, int32_t aLength)
+ : mBuffer(aBuffer), mLength(aLength) {
+ mStackParent = static_cast<nsIContent**>(aStackParent);
+ mTable = static_cast<nsIContent**>(aTable);
+ };
+};
+
+struct opAppendComment {
+ nsIContent** mParent;
+ char16_t* mBuffer;
+ int32_t mLength;
+
+ explicit opAppendComment(nsIContentHandle* aParent, char16_t* aBuffer,
+ int32_t aLength)
+ : mBuffer(aBuffer), mLength(aLength) {
+ mParent = static_cast<nsIContent**>(aParent);
+ };
+};
+
+struct opAppendCommentToDocument {
+ char16_t* mBuffer;
+ int32_t mLength;
+
+ explicit opAppendCommentToDocument(char16_t* aBuffer, int32_t aLength)
+ : mBuffer(aBuffer), mLength(aLength){};
+};
+
+class nsHtml5TreeOperationStringPair {
+ private:
+ nsString mPublicId;
+ nsString mSystemId;
+
+ public:
+ nsHtml5TreeOperationStringPair(const nsAString& aPublicId,
+ const nsAString& aSystemId)
+ : mPublicId(aPublicId), mSystemId(aSystemId) {
+ MOZ_COUNT_CTOR(nsHtml5TreeOperationStringPair);
+ }
+
+ ~nsHtml5TreeOperationStringPair() {
+ MOZ_COUNT_DTOR(nsHtml5TreeOperationStringPair);
+ }
+
+ inline void Get(nsAString& aPublicId, nsAString& aSystemId) {
+ aPublicId.Assign(mPublicId);
+ aSystemId.Assign(mSystemId);
+ }
+};
+
+struct opAppendDoctypeToDocument {
+ nsAtom* mName;
+ nsHtml5TreeOperationStringPair* mStringPair;
+
+ explicit opAppendDoctypeToDocument(nsAtom* aName, const nsAString& aPublicId,
+ const nsAString& aSystemId) {
+ mName = aName;
+ aName->AddRef();
+ mStringPair = new nsHtml5TreeOperationStringPair(aPublicId, aSystemId);
+ }
+};
+
+struct opGetDocumentFragmentForTemplate {
+ nsIContent** mTemplate;
+ nsIContent** mFragHandle;
+
+ explicit opGetDocumentFragmentForTemplate(nsIContentHandle* aTemplate,
+ nsIContentHandle* aFragHandle) {
+ mTemplate = static_cast<nsIContent**>(aTemplate);
+ mFragHandle = static_cast<nsIContent**>(aFragHandle);
+ }
+};
+
+struct opGetFosterParent {
+ nsIContent** mTable;
+ nsIContent** mStackParent;
+ nsIContent** mParentHandle;
+
+ explicit opGetFosterParent(nsIContentHandle* aTable,
+ nsIContentHandle* aStackParent,
+ nsIContentHandle* aParentHandle) {
+ mTable = static_cast<nsIContent**>(aTable);
+ mStackParent = static_cast<nsIContent**>(aStackParent);
+ mParentHandle = static_cast<nsIContent**>(aParentHandle);
+ };
+};
+
+// Gecko-specific on-pop ops
+struct opMarkAsBroken {
+ nsresult mResult;
+
+ explicit opMarkAsBroken(nsresult aResult) : mResult(aResult){};
+};
+
+struct opRunScript {
+ nsIContent** mElement;
+ nsAHtml5TreeBuilderState* mBuilderState;
+ int32_t mLineNumber;
+
+ explicit opRunScript(nsIContentHandle* aElement,
+ nsAHtml5TreeBuilderState* aBuilderState)
+ : mBuilderState(aBuilderState), mLineNumber(0) {
+ mElement = static_cast<nsIContent**>(aElement);
+ };
+};
+
+struct opRunScriptAsyncDefer {
+ nsIContent** mElement;
+
+ explicit opRunScriptAsyncDefer(nsIContentHandle* aElement) {
+ mElement = static_cast<nsIContent**>(aElement);
+ };
+};
+
+struct opPreventScriptExecution {
+ nsIContent** mElement;
+
+ explicit opPreventScriptExecution(nsIContentHandle* aElement) {
+ mElement = static_cast<nsIContent**>(aElement);
+ };
+};
+
+struct opDoneAddingChildren {
+ nsIContent** mElement;
+
+ explicit opDoneAddingChildren(nsIContentHandle* aElement) {
+ mElement = static_cast<nsIContent**>(aElement);
+ };
+};
+
+struct opDoneCreatingElement {
+ nsIContent** mElement;
+
+ explicit opDoneCreatingElement(nsIContentHandle* aElement) {
+ mElement = static_cast<nsIContent**>(aElement);
+ };
+};
+
+struct opUpdateCharsetSource {
+ nsCharsetSource mCharsetSource;
+
+ explicit opUpdateCharsetSource(nsCharsetSource aCharsetSource)
+ : mCharsetSource(aCharsetSource){};
+};
+
+struct opCharsetSwitchTo {
+ const mozilla::Encoding* mEncoding;
+ int32_t mCharsetSource;
+ int32_t mLineNumber;
+
+ explicit opCharsetSwitchTo(const mozilla::Encoding* aEncoding,
+ int32_t aCharsetSource, int32_t aLineNumber)
+ : mEncoding(aEncoding),
+ mCharsetSource(aCharsetSource),
+ mLineNumber(aLineNumber){};
+};
+
+struct opUpdateStyleSheet {
+ nsIContent** mElement;
+
+ explicit opUpdateStyleSheet(nsIContentHandle* aElement) {
+ mElement = static_cast<nsIContent**>(aElement);
+ };
+};
+
+struct opProcessOfflineManifest {
+ char16_t* mUrl;
+
+ explicit opProcessOfflineManifest(char16_t* aUrl) : mUrl(aUrl){};
+};
+
+struct opMarkMalformedIfScript {
+ nsIContent** mElement;
+
+ explicit opMarkMalformedIfScript(nsIContentHandle* aElement) {
+ mElement = static_cast<nsIContent**>(aElement);
+ }
+};
+
+struct opStreamEnded {};
+
+struct opSetStyleLineNumber {
+ nsIContent** mContent;
+ int32_t mLineNumber;
+
+ explicit opSetStyleLineNumber(nsIContentHandle* aContent, int32_t aLineNumber)
+ : mLineNumber(aLineNumber) {
+ mContent = static_cast<nsIContent**>(aContent);
+ };
+};
+
+struct opSetScriptLineNumberAndFreeze {
+ nsIContent** mContent;
+ int32_t mLineNumber;
+
+ explicit opSetScriptLineNumberAndFreeze(nsIContentHandle* aContent,
+ int32_t aLineNumber)
+ : mLineNumber(aLineNumber) {
+ mContent = static_cast<nsIContent**>(aContent);
+ };
+};
+
+struct opSvgLoad {
+ nsIContent** mElement;
+
+ explicit opSvgLoad(nsIContentHandle* aElement) {
+ mElement = static_cast<nsIContent**>(aElement);
+ };
+};
+
+struct opMaybeComplainAboutCharset {
+ char* mMsgId;
+ bool mError;
+ int32_t mLineNumber;
+
+ explicit opMaybeComplainAboutCharset(char* aMsgId, bool aError,
+ int32_t aLineNumber)
+ : mMsgId(aMsgId), mError(aError), mLineNumber(aLineNumber){};
+};
+
+struct opMaybeComplainAboutDeepTree {
+ int32_t mLineNumber;
+
+ explicit opMaybeComplainAboutDeepTree(int32_t aLineNumber)
+ : mLineNumber(aLineNumber){};
+};
+
+struct opAddClass {
+ nsIContent** mElement;
+ char16_t* mClass;
+
+ explicit opAddClass(nsIContentHandle* aElement, char16_t* aClass)
+ : mClass(aClass) {
+ mElement = static_cast<nsIContent**>(aElement);
+ };
+};
+
+struct opAddViewSourceHref {
+ nsIContent** mElement;
+ char16_t* mBuffer;
+ int32_t mLength;
+
+ explicit opAddViewSourceHref(nsIContentHandle* aElement, char16_t* aBuffer,
+ int32_t aLength)
+ : mBuffer(aBuffer), mLength(aLength) {
+ mElement = static_cast<nsIContent**>(aElement);
+ };
+};
+
+struct opAddViewSourceBase {
+ char16_t* mBuffer;
+ int32_t mLength;
+
+ explicit opAddViewSourceBase(char16_t* aBuffer, int32_t aLength)
+ : mBuffer(aBuffer), mLength(aLength){};
+};
+
+struct opAddErrorType {
+ nsIContent** mElement;
+ char* mMsgId;
+ nsAtom* mName;
+ nsAtom* mOther;
+
+ explicit opAddErrorType(nsIContentHandle* aElement, char* aMsgId,
+ nsAtom* aName = nullptr, nsAtom* aOther = nullptr)
+ : mMsgId(aMsgId), mName(aName), mOther(aOther) {
+ mElement = static_cast<nsIContent**>(aElement);
+ if (aName) {
+ aName->AddRef();
+ }
+ if (aOther) {
+ aOther->AddRef();
+ }
+ };
+};
+
+struct opAddLineNumberId {
+ nsIContent** mElement;
+ int32_t mLineNumber;
+
+ explicit opAddLineNumberId(nsIContentHandle* aElement, int32_t aLineNumber)
+ : mLineNumber(aLineNumber) {
+ mElement = static_cast<nsIContent**>(aElement);
+ };
+};
+
+struct opStartLayout {};
+
+struct opEnableEncodingMenu {};
+
+typedef mozilla::Variant<
+ uninitialized,
+ // main HTML5 ops
+ opAppend, opDetach, opAppendChildrenToNewParent, opFosterParent,
+ opAppendToDocument, opAddAttributes, nsHtml5DocumentMode,
+ opCreateHTMLElement, opCreateSVGElement, opCreateMathMLElement,
+ opSetFormElement, opAppendText, opFosterParentText, opAppendComment,
+ opAppendCommentToDocument, opAppendDoctypeToDocument,
+ opGetDocumentFragmentForTemplate, opGetFosterParent,
+ // Gecko-specific on-pop ops
+ opMarkAsBroken, opRunScript, opRunScriptAsyncDefer,
+ opPreventScriptExecution, opDoneAddingChildren, opDoneCreatingElement,
+ opUpdateCharsetSource, opCharsetSwitchTo, opUpdateStyleSheet,
+ opProcessOfflineManifest, opMarkMalformedIfScript, opStreamEnded,
+ opSetStyleLineNumber, opSetScriptLineNumberAndFreeze, opSvgLoad,
+ opMaybeComplainAboutCharset, opMaybeComplainAboutDeepTree, opAddClass,
+ opAddViewSourceHref, opAddViewSourceBase, opAddErrorType, opAddLineNumberId,
+ opStartLayout, opEnableEncodingMenu>
+ treeOperation;
+
+class nsHtml5TreeOperation final {
+ template <typename T>
+ using NotNull = mozilla::NotNull<T>;
+ using Encoding = mozilla::Encoding;
+
+ public:
+ static nsresult AppendTextToTextNode(const char16_t* aBuffer,
+ uint32_t aLength,
+ mozilla::dom::Text* aTextNode,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static nsresult AppendText(const char16_t* aBuffer, uint32_t aLength,
+ nsIContent* aParent,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static nsresult Append(nsIContent* aNode, nsIContent* aParent,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static nsresult Append(nsIContent* aNode, nsIContent* aParent,
+ mozilla::dom::FromParser aFromParser,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static nsresult AppendToDocument(nsIContent* aNode,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static void Detach(nsIContent* aNode, nsHtml5DocumentBuilder* aBuilder);
+
+ static nsresult AppendChildrenToNewParent(nsIContent* aNode,
+ nsIContent* aParent,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static nsresult FosterParent(nsIContent* aNode, nsIContent* aParent,
+ nsIContent* aTable,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static nsresult AddAttributes(nsIContent* aNode,
+ nsHtml5HtmlAttributes* aAttributes,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static void SetHTMLElementAttributes(mozilla::dom::Element* aElement,
+ nsAtom* aName,
+ nsHtml5HtmlAttributes* aAttributes);
+
+ static nsIContent* CreateHTMLElement(
+ nsAtom* aName, nsHtml5HtmlAttributes* aAttributes,
+ mozilla::dom::FromParser aFromParser, nsNodeInfoManager* aNodeInfoManager,
+ nsHtml5DocumentBuilder* aBuilder,
+ mozilla::dom::HTMLContentCreatorFunction aCreator);
+
+ static nsIContent* CreateSVGElement(
+ nsAtom* aName, nsHtml5HtmlAttributes* aAttributes,
+ mozilla::dom::FromParser aFromParser, nsNodeInfoManager* aNodeInfoManager,
+ nsHtml5DocumentBuilder* aBuilder,
+ mozilla::dom::SVGContentCreatorFunction aCreator);
+
+ static nsIContent* CreateMathMLElement(nsAtom* aName,
+ nsHtml5HtmlAttributes* aAttributes,
+ nsNodeInfoManager* aNodeInfoManager,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static void SetFormElement(nsIContent* aNode, nsIContent* aParent);
+
+ static nsresult AppendIsindexPrompt(nsIContent* parent,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static nsresult FosterParentText(nsIContent* aStackParent, char16_t* aBuffer,
+ uint32_t aLength, nsIContent* aTable,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static nsresult AppendComment(nsIContent* aParent, char16_t* aBuffer,
+ int32_t aLength,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static nsresult AppendCommentToDocument(char16_t* aBuffer, int32_t aLength,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static nsresult AppendDoctypeToDocument(nsAtom* aName,
+ const nsAString& aPublicId,
+ const nsAString& aSystemId,
+ nsHtml5DocumentBuilder* aBuilder);
+
+ static nsIContent* GetDocumentFragmentForTemplate(nsIContent* aNode);
+
+ static nsIContent* GetFosterParent(nsIContent* aTable,
+ nsIContent* aStackParent);
+
+ static void PreventScriptExecution(nsIContent* aNode);
+
+ static void DoneAddingChildren(nsIContent* aNode);
+
+ static void DoneCreatingElement(nsIContent* aNode);
+
+ static void SvgLoad(nsIContent* aNode);
+
+ static void MarkMalformedIfScript(nsIContent* aNode);
+
+ nsHtml5TreeOperation();
+
+ ~nsHtml5TreeOperation();
+
+ inline void Init(const treeOperation& aOperation) {
+ NS_ASSERTION(mOperation.is<uninitialized>(),
+ "Op code must be uninitialized when initializing.");
+ mOperation = aOperation;
+ }
+
+ inline bool IsRunScript() { return mOperation.is<opRunScript>(); }
+
+ inline bool IsMarkAsBroken() { return mOperation.is<opMarkAsBroken>(); }
+
+ inline void SetSnapshot(nsAHtml5TreeBuilderState* aSnapshot, int32_t aLine) {
+ NS_ASSERTION(
+ IsRunScript(),
+ "Setting a snapshot for a tree operation other than eTreeOpRunScript!");
+ MOZ_ASSERT(aSnapshot, "Initialized tree op with null snapshot.");
+ opRunScript data = mOperation.as<opRunScript>();
+ data.mBuilderState = aSnapshot;
+ data.mLineNumber = aLine;
+ mOperation = mozilla::AsVariant(data);
+ }
+
+ nsresult Perform(nsHtml5TreeOpExecutor* aBuilder, nsIContent** aScriptElement,
+ bool* aInterrupted, bool* aStreamEnded);
+
+ private:
+ nsHtml5TreeOperation(const nsHtml5TreeOperation&) = delete;
+ nsHtml5TreeOperation& operator=(const nsHtml5TreeOperation&) = delete;
+
+ treeOperation mOperation;
+};
+
+#endif // nsHtml5TreeOperation_h
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