141 lines
4.4 KiB
C++
141 lines
4.4 KiB
C++
/*
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* Copyright (c) 2007 Henri Sivonen
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* Copyright (c) 2008-2017 Mozilla Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#define nsHtml5HtmlAttributes_cpp__
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#include "jArray.h"
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#include "nsAHtml5TreeBuilderState.h"
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#include "nsAtom.h"
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#include "nsHtml5ArrayCopy.h"
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#include "nsHtml5AtomTable.h"
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#include "nsHtml5ByteReadable.h"
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#include "nsHtml5Macros.h"
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#include "nsHtml5String.h"
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#include "nsIContent.h"
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#include "nsIContentHandle.h"
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#include "nsNameSpaceManager.h"
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#include "nsTraceRefcnt.h"
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#include "nsHtml5AttributeName.h"
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#include "nsHtml5ElementName.h"
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#include "nsHtml5Portability.h"
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#include "nsHtml5StackNode.h"
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#include "nsHtml5StateSnapshot.h"
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#include "nsHtml5Tokenizer.h"
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#include "nsHtml5TreeBuilder.h"
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#include "nsHtml5UTF16Buffer.h"
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#include "nsHtml5HtmlAttributes.h"
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nsHtml5HtmlAttributes* nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES = nullptr;
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nsHtml5HtmlAttributes::nsHtml5HtmlAttributes(int32_t aMode) {
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MOZ_COUNT_CTOR(nsHtml5HtmlAttributes);
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}
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nsHtml5HtmlAttributes::~nsHtml5HtmlAttributes() {
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MOZ_COUNT_DTOR(nsHtml5HtmlAttributes);
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}
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nsHtml5String nsHtml5HtmlAttributes::getValue(nsHtml5AttributeName* aName) {
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MOZ_ASSERT(!mMovedFrom);
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uintptr_t nameBits = nsHtml5AttributeEntry::BitsFromKnownName(aName);
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for (nsHtml5AttributeEntry& entry : *this) {
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if (entry.NameBitsMatch(nameBits)) {
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return entry.Value();
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}
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}
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return nullptr;
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}
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int32_t nsHtml5HtmlAttributes::getLength() { return mStorage.Length(); }
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void nsHtml5HtmlAttributes::addAttribute(nsHtml5AttributeName* aName,
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nsHtml5String aValue, int32_t aLine) {
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MOZ_ASSERT(!mMovedFrom);
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mStorage.AppendElement(nsHtml5AttributeEntry(aName, aValue));
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MOZ_RELEASE_ASSERT(mStorage.Length() <= INT32_MAX,
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"Can't handle this many attributes.");
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}
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void nsHtml5HtmlAttributes::clear(int32_t aMode) {
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mStorage.ClearAndRetainStorage();
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mDuplicateAttributeError = false;
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#ifdef DEBUG
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mMovedFrom = false;
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#endif
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}
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bool nsHtml5HtmlAttributes::contains(nsHtml5AttributeName* aName) {
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MOZ_ASSERT(!mMovedFrom);
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uintptr_t nameBits = nsHtml5AttributeEntry::BitsFromName(aName);
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for (nsHtml5AttributeEntry& entry : *this) {
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if (entry.NameBitsMatch(nameBits)) {
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return true;
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}
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}
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return false;
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}
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nsHtml5HtmlAttributes* nsHtml5HtmlAttributes::cloneAttributes() {
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MOZ_ASSERT(!mMovedFrom);
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nsHtml5HtmlAttributes* clone =
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new nsHtml5HtmlAttributes(nsHtml5AttributeName::HTML);
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clone->mStorage.SetCapacity(mStorage.Length());
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for (nsHtml5AttributeEntry& entry : *this) {
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clone->mStorage.AppendElement(entry.Clone());
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}
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return clone;
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}
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bool nsHtml5HtmlAttributes::equalsAnother(nsHtml5HtmlAttributes* aOther) {
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MOZ_ASSERT(!mMovedFrom);
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if (mStorage.Length() != aOther->mStorage.Length()) {
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return false;
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}
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for (nsHtml5AttributeEntry& entry : *this) {
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// Need a flag, since C++ can't `continue` outer
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// iterator loop from within an inner loop.
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bool found = false;
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for (nsHtml5AttributeEntry& otherEntry : *aOther) {
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if (entry.NameMatches(otherEntry)) {
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found = true;
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if (!entry.ValueMatches(otherEntry)) {
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return false;
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}
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break;
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}
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}
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if (!found) {
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return false;
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}
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}
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return true;
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}
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void nsHtml5HtmlAttributes::initializeStatics() {
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EMPTY_ATTRIBUTES = new nsHtml5HtmlAttributes(nsHtml5AttributeName::HTML);
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}
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void nsHtml5HtmlAttributes::releaseStatics() { delete EMPTY_ATTRIBUTES; }
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