mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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398 lines
13 KiB
C++
398 lines
13 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 "nsXPCOMStrings.h"
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class nsIContent;
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class nsHtml5TreeOpExecutor;
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class nsHtml5StateSnapshot;
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enum eHtml5TreeOperation {
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#ifdef DEBUG
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eTreeOpUninitialized,
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#endif
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// main HTML5 ops
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eTreeOpAppend,
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eTreeOpDetach,
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eTreeOpAppendChildrenToNewParent,
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eTreeOpFosterParent,
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eTreeOpAppendToDocument,
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eTreeOpAddAttributes,
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eTreeOpDocumentMode,
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eTreeOpCreateElementNetwork,
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eTreeOpCreateElementNotNetwork,
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eTreeOpSetFormElement,
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eTreeOpAppendText,
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eTreeOpAppendIsindexPrompt,
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eTreeOpFosterParentText,
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eTreeOpAppendComment,
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eTreeOpAppendCommentToDocument,
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eTreeOpAppendDoctypeToDocument,
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eTreeOpGetDocumentFragmentForTemplate,
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// Gecko-specific on-pop ops
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eTreeOpMarkAsBroken,
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eTreeOpRunScript,
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eTreeOpRunScriptAsyncDefer,
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eTreeOpPreventScriptExecution,
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eTreeOpDoneAddingChildren,
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eTreeOpDoneCreatingElement,
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eTreeOpFlushPendingAppendNotifications,
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eTreeOpSetDocumentCharset,
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eTreeOpNeedsCharsetSwitchTo,
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eTreeOpUpdateStyleSheet,
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eTreeOpProcessMeta,
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eTreeOpProcessOfflineManifest,
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eTreeOpMarkMalformedIfScript,
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eTreeOpStreamEnded,
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eTreeOpSetStyleLineNumber,
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eTreeOpSetScriptLineNumberAndFreeze,
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eTreeOpSvgLoad,
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eTreeOpMaybeComplainAboutCharset,
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eTreeOpAddClass,
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eTreeOpAddViewSourceHref,
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eTreeOpAddError,
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eTreeOpAddLineNumberId,
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eTreeOpAddErrorAtom,
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eTreeOpAddErrorTwoAtoms,
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eTreeOpStartLayout
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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)
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, 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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class nsHtml5TreeOperation {
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public:
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nsHtml5TreeOperation();
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~nsHtml5TreeOperation();
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inline void Init(eHtml5TreeOperation aOpCode) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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mOpCode = aOpCode;
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}
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inline void Init(eHtml5TreeOperation aOpCode, nsIContent** aNode) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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NS_PRECONDITION(aNode, "Initialized tree op with null node.");
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mOpCode = aOpCode;
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mOne.node = aNode;
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}
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inline void Init(eHtml5TreeOperation aOpCode,
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nsIContent** aNode,
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nsIContent** aParent) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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NS_PRECONDITION(aNode, "Initialized tree op with null node.");
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NS_PRECONDITION(aParent, "Initialized tree op with null parent.");
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mOpCode = aOpCode;
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mOne.node = aNode;
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mTwo.node = aParent;
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}
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inline void Init(eHtml5TreeOperation aOpCode,
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const nsACString& aString,
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int32_t aInt32) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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int32_t len = aString.Length();
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char* str = new char[len + 1];
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const char* start = aString.BeginReading();
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for (int32_t i = 0; i < len; ++i) {
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str[i] = start[i];
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}
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str[len] = '\0';
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mOpCode = aOpCode;
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mOne.charPtr = str;
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mFour.integer = aInt32;
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}
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inline void Init(eHtml5TreeOperation aOpCode,
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const nsACString& aString,
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int32_t aInt32,
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int32_t aLineNumber) {
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Init(aOpCode, aString, aInt32);
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mTwo.integer = aLineNumber;
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}
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inline void Init(eHtml5TreeOperation aOpCode,
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nsIContent** aNode,
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nsIContent** aParent,
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nsIContent** aTable) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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NS_PRECONDITION(aNode, "Initialized tree op with null node.");
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NS_PRECONDITION(aParent, "Initialized tree op with null parent.");
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NS_PRECONDITION(aTable, "Initialized tree op with null table.");
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mOpCode = aOpCode;
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mOne.node = aNode;
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mTwo.node = aParent;
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mThree.node = aTable;
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}
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inline void Init(nsHtml5DocumentMode aMode) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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mOpCode = eTreeOpDocumentMode;
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mOne.mode = aMode;
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}
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inline void InitScript(nsIContent** aNode) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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NS_PRECONDITION(aNode, "Initialized tree op with null node.");
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mOpCode = eTreeOpRunScript;
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mOne.node = aNode;
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mTwo.state = nullptr;
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}
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inline void Init(int32_t aNamespace,
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nsIAtom* aName,
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nsHtml5HtmlAttributes* aAttributes,
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nsIContent** aTarget,
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bool aFromNetwork) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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NS_PRECONDITION(aName, "Initialized tree op with null name.");
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NS_PRECONDITION(aTarget, "Initialized tree op with null target node.");
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mOpCode = aFromNetwork ?
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eTreeOpCreateElementNetwork :
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eTreeOpCreateElementNotNetwork;
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mFour.integer = aNamespace;
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mOne.node = aTarget;
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mTwo.atom = aName;
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if (aAttributes == nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES) {
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mThree.attributes = nullptr;
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} else {
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mThree.attributes = aAttributes;
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}
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}
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inline void Init(eHtml5TreeOperation aOpCode,
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PRUnichar* aBuffer,
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int32_t aLength,
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nsIContent** aStackParent,
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nsIContent** aTable) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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NS_PRECONDITION(aBuffer, "Initialized tree op with null buffer.");
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mOpCode = aOpCode;
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mOne.node = aStackParent;
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mTwo.unicharPtr = aBuffer;
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mThree.node = aTable;
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mFour.integer = aLength;
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}
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inline void Init(eHtml5TreeOperation aOpCode,
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PRUnichar* aBuffer,
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int32_t aLength,
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nsIContent** aParent) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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NS_PRECONDITION(aBuffer, "Initialized tree op with null buffer.");
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mOpCode = aOpCode;
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mOne.node = aParent;
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mTwo.unicharPtr = aBuffer;
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mFour.integer = aLength;
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}
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inline void Init(eHtml5TreeOperation aOpCode,
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PRUnichar* aBuffer,
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int32_t aLength) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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NS_PRECONDITION(aBuffer, "Initialized tree op with null buffer.");
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mOpCode = aOpCode;
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mTwo.unicharPtr = aBuffer;
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mFour.integer = aLength;
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}
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inline void Init(nsIContent** aElement,
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nsHtml5HtmlAttributes* aAttributes) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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NS_PRECONDITION(aElement, "Initialized tree op with null element.");
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mOpCode = eTreeOpAddAttributes;
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mOne.node = aElement;
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mTwo.attributes = aAttributes;
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}
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inline void Init(nsIAtom* aName,
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const nsAString& aPublicId,
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const nsAString& aSystemId) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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mOpCode = eTreeOpAppendDoctypeToDocument;
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mOne.atom = aName;
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mTwo.stringPair = new nsHtml5TreeOperationStringPair(aPublicId, aSystemId);
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}
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inline void Init(nsIContent** aElement,
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const char* aMsgId,
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nsIAtom* aAtom,
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nsIAtom* aOtherAtom) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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mOpCode = eTreeOpAddError;
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mOne.node = aElement;
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mTwo.charPtr = (char*)aMsgId;
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mThree.atom = aAtom;
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mFour.atom = aOtherAtom;
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}
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inline void Init(nsIContent** aElement,
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const char* aMsgId,
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nsIAtom* aAtom) {
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Init(aElement, aMsgId, aAtom, nullptr);
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}
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inline void Init(nsIContent** aElement,
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const char* aMsgId) {
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Init(aElement, aMsgId, nullptr, nullptr);
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}
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inline void Init(const char* aMsgId,
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bool aError,
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int32_t aLineNumber) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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mOpCode = eTreeOpMaybeComplainAboutCharset;
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mOne.charPtr = const_cast<char*>(aMsgId);
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mTwo.integer = aError;
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mThree.integer = aLineNumber;
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}
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inline void Init(eHtml5TreeOperation aOpCode, const nsAString& aString) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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PRUnichar* str = NS_StringCloneData(aString);
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mOpCode = aOpCode;
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mOne.unicharPtr = str;
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}
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inline void Init(eHtml5TreeOperation aOpCode,
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nsIContent** aNode,
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int32_t aInt) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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NS_PRECONDITION(aNode, "Initialized tree op with null node.");
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mOpCode = aOpCode;
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mOne.node = aNode;
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mFour.integer = aInt;
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}
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inline void InitAddClass(nsIContent** aNode, const PRUnichar* aClass) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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NS_PRECONDITION(aNode, "Initialized tree op with null node.");
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NS_PRECONDITION(aClass, "Initialized tree op with null string.");
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// aClass must be a literal string that does not need freeing
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mOpCode = eTreeOpAddClass;
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mOne.node = aNode;
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mTwo.unicharPtr = (PRUnichar*)aClass;
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}
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inline void InitAddLineNumberId(nsIContent** aNode,
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const int32_t aLineNumber) {
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NS_PRECONDITION(mOpCode == eTreeOpUninitialized,
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"Op code must be uninitialized when initializing.");
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NS_PRECONDITION(aNode, "Initialized tree op with null node.");
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NS_PRECONDITION(aLineNumber > 0, "Initialized tree op with line number.");
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// aClass must be a literal string that does not need freeing
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mOpCode = eTreeOpAddLineNumberId;
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mOne.node = aNode;
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mFour.integer = aLineNumber;
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}
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inline bool IsRunScript() {
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return mOpCode == eTreeOpRunScript;
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}
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inline void SetSnapshot(nsAHtml5TreeBuilderState* aSnapshot, int32_t aLine) {
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NS_ASSERTION(IsRunScript(),
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"Setting a snapshot for a tree operation other than eTreeOpRunScript!");
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NS_PRECONDITION(aSnapshot, "Initialized tree op with null snapshot.");
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mTwo.state = aSnapshot;
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mFour.integer = aLine;
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}
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nsresult Perform(nsHtml5TreeOpExecutor* aBuilder, nsIContent** aScriptElement);
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inline already_AddRefed<nsIAtom> Reget(nsIAtom* aAtom) {
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if (!aAtom || aAtom->IsStaticAtom()) {
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return dont_AddRef(aAtom);
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}
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nsAutoString str;
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aAtom->ToString(str);
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return do_GetAtom(str);
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}
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private:
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nsresult AppendTextToTextNode(const PRUnichar* aBuffer,
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uint32_t aLength,
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nsIContent* aTextNode,
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nsHtml5TreeOpExecutor* aBuilder);
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nsresult AppendText(const PRUnichar* aBuffer,
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uint32_t aLength,
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nsIContent* aParent,
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nsHtml5TreeOpExecutor* aBuilder);
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nsresult Append(nsIContent* aNode,
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nsIContent* aParent,
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nsHtml5TreeOpExecutor* aBuilder);
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nsresult AppendToDocument(nsIContent* aNode,
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nsHtml5TreeOpExecutor* aBuilder);
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// possible optimization:
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// Make the queue take items the size of pointer and make the op code
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// decide how many operands it dequeues after it.
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eHtml5TreeOperation mOpCode;
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union {
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nsIContent** node;
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nsIAtom* atom;
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nsHtml5HtmlAttributes* attributes;
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nsHtml5DocumentMode mode;
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PRUnichar* unicharPtr;
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char* charPtr;
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nsHtml5TreeOperationStringPair* stringPair;
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nsAHtml5TreeBuilderState* state;
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int32_t integer;
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} mOne, mTwo, mThree, mFour;
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};
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#endif // nsHtml5TreeOperation_h
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