diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /parser/html/nsHtml5TreeOperation.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'parser/html/nsHtml5TreeOperation.h')
-rw-r--r-- | parser/html/nsHtml5TreeOperation.h | 637 |
1 files changed, 637 insertions, 0 deletions
diff --git a/parser/html/nsHtml5TreeOperation.h b/parser/html/nsHtml5TreeOperation.h new file mode 100644 index 0000000000..dd5d1e8c4a --- /dev/null +++ b/parser/html/nsHtml5TreeOperation.h @@ -0,0 +1,637 @@ +/* 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 opSetScriptLineAndColumnNumberAndFreeze { + nsIContent** mContent; + int32_t mLineNumber; + int32_t mColumnNumber; + + explicit opSetScriptLineAndColumnNumberAndFreeze(nsIContentHandle* aContent, + int32_t aLineNumber, + int32_t aColumnNumber) + : mLineNumber(aLineNumber), mColumnNumber(aColumnNumber) { + 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, opSetScriptLineAndColumnNumberAndFreeze, 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 |