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/*
* Copyright (c) 2007 Henri Sivonen
* Copyright (c) 2008-2017 Mozilla Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#define nsHtml5HtmlAttributes_cpp__
#include "jArray.h"
#include "nsAHtml5TreeBuilderState.h"
#include "nsAtom.h"
#include "nsHtml5ArrayCopy.h"
#include "nsHtml5AtomTable.h"
#include "nsHtml5ByteReadable.h"
#include "nsHtml5Macros.h"
#include "nsHtml5String.h"
#include "nsIContent.h"
#include "nsIContentHandle.h"
#include "nsNameSpaceManager.h"
#include "nsTraceRefcnt.h"
#include "nsHtml5AttributeName.h"
#include "nsHtml5ElementName.h"
#include "nsHtml5Portability.h"
#include "nsHtml5StackNode.h"
#include "nsHtml5StateSnapshot.h"
#include "nsHtml5Tokenizer.h"
#include "nsHtml5TreeBuilder.h"
#include "nsHtml5UTF16Buffer.h"
#include "nsHtml5HtmlAttributes.h"
nsHtml5HtmlAttributes* nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES = nullptr;
nsHtml5HtmlAttributes::nsHtml5HtmlAttributes(int32_t aMode) : mMode(aMode) {
MOZ_COUNT_CTOR(nsHtml5HtmlAttributes);
}
nsHtml5HtmlAttributes::~nsHtml5HtmlAttributes() {
MOZ_COUNT_DTOR(nsHtml5HtmlAttributes);
clear(0);
}
int32_t nsHtml5HtmlAttributes::getIndex(nsHtml5AttributeName* aName) {
size_t len = mStorage.Length();
for (size_t i = 0; i < len; i++) {
if (mStorage.Elements()[i].GetLocal(nsHtml5AttributeName::HTML) ==
aName->getLocal(nsHtml5AttributeName::HTML)) {
// It's release asserted elsewhere that i can't be too large.
return i;
}
}
return -1;
}
nsHtml5String nsHtml5HtmlAttributes::getValue(nsHtml5AttributeName* aName) {
int32_t index = getIndex(aName);
if (index == -1) {
return nullptr;
} else {
return getValueNoBoundsCheck(index);
}
}
int32_t nsHtml5HtmlAttributes::getLength() { return mStorage.Length(); }
nsAtom* nsHtml5HtmlAttributes::getLocalNameNoBoundsCheck(int32_t aIndex) {
MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
"Index out of bounds");
return mStorage.Elements()[aIndex].GetLocal(mMode);
}
int32_t nsHtml5HtmlAttributes::getURINoBoundsCheck(int32_t aIndex) {
MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
"Index out of bounds");
return mStorage.Elements()[aIndex].GetUri(mMode);
}
nsAtom* nsHtml5HtmlAttributes::getPrefixNoBoundsCheck(int32_t aIndex) {
MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
"Index out of bounds");
return mStorage.Elements()[aIndex].GetPrefix(mMode);
}
nsHtml5String nsHtml5HtmlAttributes::getValueNoBoundsCheck(int32_t aIndex) {
MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
"Index out of bounds");
return mStorage.Elements()[aIndex].GetValue();
}
int32_t nsHtml5HtmlAttributes::getLineNoBoundsCheck(int32_t aIndex) {
MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
"Index out of bounds");
return mStorage.Elements()[aIndex].GetLine();
}
void nsHtml5HtmlAttributes::addAttribute(nsHtml5AttributeName* aName,
nsHtml5String aValue, int32_t aLine) {
mStorage.AppendElement(nsHtml5AttributeEntry(aName, aValue, aLine));
MOZ_RELEASE_ASSERT(mStorage.Length() <= INT32_MAX,
"Can't handle this many attributes.");
}
// Isindex-only, so doesn't need to deal with SVG and MathML
void nsHtml5HtmlAttributes::AddAttributeWithLocal(nsAtom* aName,
nsHtml5String aValue,
int32_t aLine) {
mStorage.AppendElement(nsHtml5AttributeEntry(aName, aValue, aLine));
MOZ_RELEASE_ASSERT(mStorage.Length() <= INT32_MAX,
"Can't handle this many attributes.");
}
void nsHtml5HtmlAttributes::clear(int32_t aMode) {
size_t len = mStorage.Length();
for (size_t i = 0; i < len; ++i) {
nsHtml5AttributeEntry& entry = mStorage.Elements()[i];
entry.ReleaseValue();
}
mStorage.TruncateLength(0);
mMode = aMode;
mDuplicateAttributeError = false;
}
void nsHtml5HtmlAttributes::releaseValue(int32_t aIndex) {
MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0,
"Index out of bounds");
mStorage.Elements()[aIndex].ReleaseValue();
}
void nsHtml5HtmlAttributes::clearWithoutReleasingContents() {
mStorage.TruncateLength(0);
}
bool nsHtml5HtmlAttributes::contains(nsHtml5AttributeName* aName) {
size_t len = mStorage.Length();
for (size_t i = 0; i < len; i++) {
if (mStorage.Elements()[i].GetLocal(nsHtml5AttributeName::HTML) ==
aName->getLocal(nsHtml5AttributeName::HTML)) {
return true;
}
}
return false;
}
void nsHtml5HtmlAttributes::adjustForMath() {
mMode = nsHtml5AttributeName::MATHML;
}
void nsHtml5HtmlAttributes::adjustForSvg() {
mMode = nsHtml5AttributeName::SVG;
}
nsHtml5HtmlAttributes* nsHtml5HtmlAttributes::cloneAttributes() {
MOZ_ASSERT(mStorage.IsEmpty() || !mMode);
nsHtml5HtmlAttributes* clone =
new nsHtml5HtmlAttributes(nsHtml5AttributeName::HTML);
size_t len = mStorage.Length();
for (size_t i = 0; i < len; ++i) {
nsHtml5AttributeEntry& entry = mStorage.Elements()[i];
clone->AddEntry(entry.Clone());
}
return clone;
}
bool nsHtml5HtmlAttributes::equalsAnother(nsHtml5HtmlAttributes* aOther) {
MOZ_ASSERT(!mMode, "Trying to compare attributes in foreign content.");
size_t len = mStorage.Length();
size_t lenOther = aOther->mStorage.Length();
if (mStorage.Length() != aOther->mStorage.Length()) {
return false;
}
for (size_t i = 0; i < len; ++i) {
nsHtml5AttributeEntry& entry = mStorage.Elements()[i];
bool found = false;
nsAtom* ownLocal = entry.GetLocal(nsHtml5AttributeName::HTML);
for (size_t j = 0; j < lenOther; ++j) {
nsHtml5AttributeEntry& otherEntry = aOther->mStorage.Elements()[j];
if (ownLocal == otherEntry.GetLocal(nsHtml5AttributeName::HTML)) {
found = true;
if (!entry.GetValue().Equals(otherEntry.GetValue())) {
return false;
}
break;
}
}
if (!found) {
return false;
}
}
return true;
}
void nsHtml5HtmlAttributes::AddEntry(nsHtml5AttributeEntry&& aEntry) {
mStorage.AppendElement(aEntry);
}
void nsHtml5HtmlAttributes::initializeStatics() {
EMPTY_ATTRIBUTES = new nsHtml5HtmlAttributes(nsHtml5AttributeName::HTML);
}
void nsHtml5HtmlAttributes::releaseStatics() { delete EMPTY_ATTRIBUTES; }