forked from mirrors/gecko-dev
75047f597c
Unlike other engine vendors, we process meta elements at parser, instead of when they are inserted. This leads some web compact issues. This patch aligns us with other vendors. Differential Revision: https://phabricator.services.mozilla.com/D84545
629 lines
19 KiB
C++
629 lines
19 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsHtml5TreeOperation_h
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#define nsHtml5TreeOperation_h
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#include "nsHtml5DocumentMode.h"
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#include "nsHtml5HtmlAttributes.h"
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#include "mozilla/dom/FromParser.h"
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#include "mozilla/NotNull.h"
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#include "mozilla/Variant.h"
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class nsIContent;
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class nsHtml5TreeOpExecutor;
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class nsHtml5DocumentBuilder;
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namespace mozilla {
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class Encoding;
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namespace dom {
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class Text;
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} // namespace dom
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} // namespace mozilla
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struct uninitialized {};
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// main HTML5 ops
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struct opDetach {
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nsIContent** mElement;
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explicit opDetach(nsIContentHandle* aElement) {
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mElement = static_cast<nsIContent**>(aElement);
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};
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};
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struct opAppend {
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nsIContent** mChild;
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nsIContent** mParent;
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explicit opAppend(nsIContentHandle* aChild, nsIContentHandle* aParent) {
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mChild = static_cast<nsIContent**>(aChild);
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mParent = static_cast<nsIContent**>(aParent);
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};
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};
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struct opAppendChildrenToNewParent {
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nsIContent** mOldParent;
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nsIContent** mNewParent;
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explicit opAppendChildrenToNewParent(nsIContentHandle* aOldParent,
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nsIContentHandle* aNewParent) {
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mOldParent = static_cast<nsIContent**>(aOldParent);
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mNewParent = static_cast<nsIContent**>(aNewParent);
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};
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};
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struct opFosterParent {
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nsIContent** mChild;
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nsIContent** mStackParent;
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nsIContent** mTable;
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explicit opFosterParent(nsIContentHandle* aChild,
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nsIContentHandle* aStackParent,
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nsIContentHandle* aTable) {
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mChild = static_cast<nsIContent**>(aChild);
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mStackParent = static_cast<nsIContent**>(aStackParent);
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mTable = static_cast<nsIContent**>(aTable);
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};
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};
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struct opAppendToDocument {
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nsIContent** mContent;
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explicit opAppendToDocument(nsIContentHandle* aContent) {
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mContent = static_cast<nsIContent**>(aContent);
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};
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};
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struct opAddAttributes {
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nsIContent** mElement;
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nsHtml5HtmlAttributes* mAttributes;
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explicit opAddAttributes(nsIContentHandle* aElement,
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nsHtml5HtmlAttributes* aAttributes)
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: mAttributes(aAttributes) {
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mElement = static_cast<nsIContent**>(aElement);
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};
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};
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struct opCreateHTMLElement {
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nsIContent** mContent;
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nsAtom* mName;
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nsHtml5HtmlAttributes* mAttributes;
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mozilla::dom::HTMLContentCreatorFunction mCreator;
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nsIContent** mIntendedParent;
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mozilla::dom::FromParser mFromNetwork;
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explicit opCreateHTMLElement(
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nsIContentHandle* aContent, nsAtom* aName,
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nsHtml5HtmlAttributes* aAttributes,
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mozilla::dom::HTMLContentCreatorFunction aCreator,
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nsIContentHandle* aIntendedParent, mozilla::dom::FromParser mFromNetwork)
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: mName(aName),
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mAttributes(aAttributes),
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mCreator(aCreator),
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mFromNetwork(mFromNetwork) {
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mContent = static_cast<nsIContent**>(aContent);
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mIntendedParent = static_cast<nsIContent**>(aIntendedParent);
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aName->AddRef();
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if (mAttributes == nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES) {
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mAttributes = nullptr;
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}
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};
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};
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struct opCreateSVGElement {
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nsIContent** mContent;
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nsAtom* mName;
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nsHtml5HtmlAttributes* mAttributes;
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mozilla::dom::SVGContentCreatorFunction mCreator;
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nsIContent** mIntendedParent;
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mozilla::dom::FromParser mFromNetwork;
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explicit opCreateSVGElement(nsIContentHandle* aContent, nsAtom* aName,
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nsHtml5HtmlAttributes* aAttributes,
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mozilla::dom::SVGContentCreatorFunction aCreator,
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nsIContentHandle* aIntendedParent,
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mozilla::dom::FromParser mFromNetwork)
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: mName(aName),
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mAttributes(aAttributes),
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mCreator(aCreator),
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mFromNetwork(mFromNetwork) {
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mContent = static_cast<nsIContent**>(aContent);
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mIntendedParent = static_cast<nsIContent**>(aIntendedParent);
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aName->AddRef();
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if (mAttributes == nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES) {
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mAttributes = nullptr;
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}
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};
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};
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struct opCreateMathMLElement {
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nsIContent** mContent;
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nsAtom* mName;
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nsHtml5HtmlAttributes* mAttributes;
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nsIContent** mIntendedParent;
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explicit opCreateMathMLElement(nsIContentHandle* aContent, nsAtom* aName,
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nsHtml5HtmlAttributes* aAttributes,
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nsIContentHandle* aIntendedParent)
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: mName(aName), mAttributes(aAttributes) {
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mContent = static_cast<nsIContent**>(aContent);
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mIntendedParent = static_cast<nsIContent**>(aIntendedParent);
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aName->AddRef();
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if (mAttributes == nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES) {
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mAttributes = nullptr;
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}
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};
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};
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struct opSetFormElement {
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nsIContent** mContent;
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nsIContent** mFormElement;
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explicit opSetFormElement(nsIContentHandle* aContent,
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nsIContentHandle* aFormElement) {
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mContent = static_cast<nsIContent**>(aContent);
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mFormElement = static_cast<nsIContent**>(aFormElement);
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};
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};
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struct opAppendText {
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nsIContent** mParent;
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char16_t* mBuffer;
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int32_t mLength;
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explicit opAppendText(nsIContentHandle* aParent, char16_t* aBuffer,
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int32_t aLength)
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: mBuffer(aBuffer), mLength(aLength) {
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mParent = static_cast<nsIContent**>(aParent);
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};
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};
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struct opFosterParentText {
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nsIContent** mStackParent;
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char16_t* mBuffer;
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nsIContent** mTable;
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int32_t mLength;
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explicit opFosterParentText(nsIContentHandle* aStackParent, char16_t* aBuffer,
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nsIContentHandle* aTable, int32_t aLength)
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: mBuffer(aBuffer), mLength(aLength) {
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mStackParent = static_cast<nsIContent**>(aStackParent);
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mTable = static_cast<nsIContent**>(aTable);
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};
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};
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struct opAppendComment {
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nsIContent** mParent;
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char16_t* mBuffer;
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int32_t mLength;
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explicit opAppendComment(nsIContentHandle* aParent, char16_t* aBuffer,
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int32_t aLength)
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: mBuffer(aBuffer), mLength(aLength) {
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mParent = static_cast<nsIContent**>(aParent);
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};
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};
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struct opAppendCommentToDocument {
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char16_t* mBuffer;
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int32_t mLength;
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explicit opAppendCommentToDocument(char16_t* aBuffer, int32_t aLength)
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: mBuffer(aBuffer), mLength(aLength){};
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};
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class nsHtml5TreeOperationStringPair {
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private:
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nsString mPublicId;
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nsString mSystemId;
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public:
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nsHtml5TreeOperationStringPair(const nsAString& aPublicId,
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const nsAString& aSystemId)
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: mPublicId(aPublicId), mSystemId(aSystemId) {
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MOZ_COUNT_CTOR(nsHtml5TreeOperationStringPair);
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}
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~nsHtml5TreeOperationStringPair() {
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MOZ_COUNT_DTOR(nsHtml5TreeOperationStringPair);
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}
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inline void Get(nsAString& aPublicId, nsAString& aSystemId) {
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aPublicId.Assign(mPublicId);
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aSystemId.Assign(mSystemId);
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}
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};
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struct opAppendDoctypeToDocument {
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nsAtom* mName;
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nsHtml5TreeOperationStringPair* mStringPair;
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explicit opAppendDoctypeToDocument(nsAtom* aName, const nsAString& aPublicId,
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const nsAString& aSystemId) {
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mName = aName;
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aName->AddRef();
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mStringPair = new nsHtml5TreeOperationStringPair(aPublicId, aSystemId);
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}
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};
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struct opGetDocumentFragmentForTemplate {
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nsIContent** mTemplate;
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nsIContent** mFragHandle;
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explicit opGetDocumentFragmentForTemplate(nsIContentHandle* aTemplate,
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nsIContentHandle* aFragHandle) {
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mTemplate = static_cast<nsIContent**>(aTemplate);
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mFragHandle = static_cast<nsIContent**>(aFragHandle);
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}
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};
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struct opGetFosterParent {
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nsIContent** mTable;
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nsIContent** mStackParent;
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nsIContent** mParentHandle;
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explicit opGetFosterParent(nsIContentHandle* aTable,
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nsIContentHandle* aStackParent,
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nsIContentHandle* aParentHandle) {
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mTable = static_cast<nsIContent**>(aTable);
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mStackParent = static_cast<nsIContent**>(aStackParent);
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mParentHandle = static_cast<nsIContent**>(aParentHandle);
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};
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};
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// Gecko-specific on-pop ops
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struct opMarkAsBroken {
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nsresult mResult;
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explicit opMarkAsBroken(nsresult aResult) : mResult(aResult){};
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};
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struct opRunScript {
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nsIContent** mElement;
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nsAHtml5TreeBuilderState* mBuilderState;
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int32_t mLineNumber;
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explicit opRunScript(nsIContentHandle* aElement,
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nsAHtml5TreeBuilderState* aBuilderState)
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: mBuilderState(aBuilderState), mLineNumber(0) {
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mElement = static_cast<nsIContent**>(aElement);
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};
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};
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struct opRunScriptAsyncDefer {
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nsIContent** mElement;
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explicit opRunScriptAsyncDefer(nsIContentHandle* aElement) {
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mElement = static_cast<nsIContent**>(aElement);
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};
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};
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struct opPreventScriptExecution {
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nsIContent** mElement;
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explicit opPreventScriptExecution(nsIContentHandle* aElement) {
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mElement = static_cast<nsIContent**>(aElement);
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};
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};
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struct opDoneAddingChildren {
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nsIContent** mElement;
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explicit opDoneAddingChildren(nsIContentHandle* aElement) {
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mElement = static_cast<nsIContent**>(aElement);
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};
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};
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struct opDoneCreatingElement {
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nsIContent** mElement;
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explicit opDoneCreatingElement(nsIContentHandle* aElement) {
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mElement = static_cast<nsIContent**>(aElement);
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};
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};
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struct opSetDocumentCharset {
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const mozilla::Encoding* mEncoding;
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int32_t mCharsetSource;
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explicit opSetDocumentCharset(const mozilla::Encoding* aEncoding,
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int32_t aCharsetSource)
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: mEncoding(aEncoding), mCharsetSource(aCharsetSource){};
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};
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struct opCharsetSwitchTo {
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const mozilla::Encoding* mEncoding;
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int32_t mCharsetSource;
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int32_t mLineNumber;
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explicit opCharsetSwitchTo(const mozilla::Encoding* aEncoding,
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int32_t aCharsetSource, int32_t aLineNumber)
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: mEncoding(aEncoding),
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mCharsetSource(aCharsetSource),
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mLineNumber(aLineNumber){};
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};
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struct opUpdateStyleSheet {
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nsIContent** mElement;
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explicit opUpdateStyleSheet(nsIContentHandle* aElement) {
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mElement = static_cast<nsIContent**>(aElement);
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};
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};
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struct opProcessOfflineManifest {
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char16_t* mUrl;
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explicit opProcessOfflineManifest(char16_t* aUrl) : mUrl(aUrl){};
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};
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struct opMarkMalformedIfScript {
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nsIContent** mElement;
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explicit opMarkMalformedIfScript(nsIContentHandle* aElement) {
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mElement = static_cast<nsIContent**>(aElement);
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}
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};
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struct opStreamEnded {};
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struct opSetStyleLineNumber {
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nsIContent** mContent;
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int32_t mLineNumber;
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explicit opSetStyleLineNumber(nsIContentHandle* aContent, int32_t aLineNumber)
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: mLineNumber(aLineNumber) {
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mContent = static_cast<nsIContent**>(aContent);
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};
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};
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struct opSetScriptLineNumberAndFreeze {
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nsIContent** mContent;
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int32_t mLineNumber;
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explicit opSetScriptLineNumberAndFreeze(nsIContentHandle* aContent,
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int32_t aLineNumber)
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: mLineNumber(aLineNumber) {
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mContent = static_cast<nsIContent**>(aContent);
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};
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};
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struct opSvgLoad {
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nsIContent** mElement;
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explicit opSvgLoad(nsIContentHandle* aElement) {
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mElement = static_cast<nsIContent**>(aElement);
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};
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};
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struct opMaybeComplainAboutCharset {
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char* mMsgId;
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bool mError;
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int32_t mLineNumber;
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explicit opMaybeComplainAboutCharset(char* aMsgId, bool aError,
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int32_t aLineNumber)
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: mMsgId(aMsgId), mError(aError), mLineNumber(aLineNumber){};
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};
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struct opMaybeComplainAboutDeepTree {
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int32_t mLineNumber;
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explicit opMaybeComplainAboutDeepTree(int32_t aLineNumber)
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: mLineNumber(aLineNumber){};
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};
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struct opAddClass {
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nsIContent** mElement;
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char16_t* mClass;
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explicit opAddClass(nsIContentHandle* aElement, char16_t* aClass)
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: mClass(aClass) {
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mElement = static_cast<nsIContent**>(aElement);
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};
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};
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struct opAddViewSourceHref {
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nsIContent** mElement;
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char16_t* mBuffer;
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int32_t mLength;
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explicit opAddViewSourceHref(nsIContentHandle* aElement, char16_t* aBuffer,
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int32_t aLength)
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: mBuffer(aBuffer), mLength(aLength) {
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mElement = static_cast<nsIContent**>(aElement);
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};
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};
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struct opAddViewSourceBase {
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char16_t* mBuffer;
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int32_t mLength;
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explicit opAddViewSourceBase(char16_t* aBuffer, int32_t aLength)
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: mBuffer(aBuffer), mLength(aLength){};
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};
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struct opAddErrorType {
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nsIContent** mElement;
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char* mMsgId;
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nsAtom* mName;
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nsAtom* mOther;
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explicit opAddErrorType(nsIContentHandle* aElement, char* aMsgId,
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nsAtom* aName = nullptr, nsAtom* aOther = nullptr)
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: mMsgId(aMsgId), mName(aName), mOther(aOther) {
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mElement = static_cast<nsIContent**>(aElement);
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if (aName) {
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aName->AddRef();
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}
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if (aOther) {
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aOther->AddRef();
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}
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};
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};
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struct opAddLineNumberId {
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nsIContent** mElement;
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int32_t mLineNumber;
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explicit opAddLineNumberId(nsIContentHandle* aElement, int32_t aLineNumber)
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: mLineNumber(aLineNumber) {
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mElement = static_cast<nsIContent**>(aElement);
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};
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};
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struct opStartLayout {};
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struct opEnableEncodingMenu {};
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typedef mozilla::Variant<
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uninitialized,
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// main HTML5 ops
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opAppend, opDetach, opAppendChildrenToNewParent, opFosterParent,
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opAppendToDocument, opAddAttributes, nsHtml5DocumentMode,
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opCreateHTMLElement, opCreateSVGElement, opCreateMathMLElement,
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opSetFormElement, opAppendText, opFosterParentText, opAppendComment,
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opAppendCommentToDocument, opAppendDoctypeToDocument,
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opGetDocumentFragmentForTemplate, opGetFosterParent,
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// Gecko-specific on-pop ops
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opMarkAsBroken, opRunScript, opRunScriptAsyncDefer,
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opPreventScriptExecution, opDoneAddingChildren, opDoneCreatingElement,
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opSetDocumentCharset, opCharsetSwitchTo, opUpdateStyleSheet,
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opProcessOfflineManifest, opMarkMalformedIfScript, opStreamEnded,
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opSetStyleLineNumber, opSetScriptLineNumberAndFreeze, opSvgLoad,
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opMaybeComplainAboutCharset, opMaybeComplainAboutDeepTree, opAddClass,
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opAddViewSourceHref, opAddViewSourceBase, opAddErrorType, opAddLineNumberId,
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opStartLayout, opEnableEncodingMenu>
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treeOperation;
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class nsHtml5TreeOperation final {
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template <typename T>
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using NotNull = mozilla::NotNull<T>;
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using Encoding = mozilla::Encoding;
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public:
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static nsresult AppendTextToTextNode(const char16_t* aBuffer,
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uint32_t aLength,
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mozilla::dom::Text* aTextNode,
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nsHtml5DocumentBuilder* aBuilder);
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static nsresult AppendText(const char16_t* aBuffer, uint32_t aLength,
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nsIContent* aParent,
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nsHtml5DocumentBuilder* aBuilder);
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static nsresult Append(nsIContent* aNode, nsIContent* aParent,
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nsHtml5DocumentBuilder* aBuilder);
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static nsresult AppendToDocument(nsIContent* aNode,
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nsHtml5DocumentBuilder* aBuilder);
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static void Detach(nsIContent* aNode, nsHtml5DocumentBuilder* aBuilder);
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static nsresult AppendChildrenToNewParent(nsIContent* aNode,
|
|
nsIContent* aParent,
|
|
nsHtml5DocumentBuilder* aBuilder);
|
|
|
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static nsresult FosterParent(nsIContent* aNode, nsIContent* aParent,
|
|
nsIContent* aTable,
|
|
nsHtml5DocumentBuilder* aBuilder);
|
|
|
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static nsresult AddAttributes(nsIContent* aNode,
|
|
nsHtml5HtmlAttributes* aAttributes,
|
|
nsHtml5DocumentBuilder* aBuilder);
|
|
|
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static void SetHTMLElementAttributes(mozilla::dom::Element* aElement,
|
|
nsAtom* aName,
|
|
nsHtml5HtmlAttributes* aAttributes);
|
|
|
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static nsIContent* CreateHTMLElement(
|
|
nsAtom* aName, nsHtml5HtmlAttributes* aAttributes,
|
|
mozilla::dom::FromParser aFromParser, nsNodeInfoManager* aNodeInfoManager,
|
|
nsHtml5DocumentBuilder* aBuilder,
|
|
mozilla::dom::HTMLContentCreatorFunction aCreator);
|
|
|
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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
|