diff options
Diffstat (limited to 'parser/html/nsHtml5HtmlAttributes.cpp')
-rw-r--r-- | parser/html/nsHtml5HtmlAttributes.cpp | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/parser/html/nsHtml5HtmlAttributes.cpp b/parser/html/nsHtml5HtmlAttributes.cpp new file mode 100644 index 0000000000..c2cd97de50 --- /dev/null +++ b/parser/html/nsHtml5HtmlAttributes.cpp @@ -0,0 +1,205 @@ +/* + * 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) { + for (size_t i = 0; i < mStorage.Length(); i++) { + if (mStorage[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[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[aIndex].GetUri(mMode); +} + +nsAtom* nsHtml5HtmlAttributes::getPrefixNoBoundsCheck(int32_t aIndex) { + MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0, + "Index out of bounds"); + return mStorage[aIndex].GetPrefix(mMode); +} + +nsHtml5String nsHtml5HtmlAttributes::getValueNoBoundsCheck(int32_t aIndex) { + MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0, + "Index out of bounds"); + return mStorage[aIndex].GetValue(); +} + +int32_t nsHtml5HtmlAttributes::getLineNoBoundsCheck(int32_t aIndex) { + MOZ_ASSERT(aIndex < int32_t(mStorage.Length()) && aIndex >= 0, + "Index out of bounds"); + return mStorage[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) { + for (nsHtml5AttributeEntry& entry : mStorage) { + entry.ReleaseValue(); + } + mStorage.TruncateLength(0); + mMode = aMode; +} + +void nsHtml5HtmlAttributes::releaseValue(int32_t aIndex) { + mStorage[aIndex].ReleaseValue(); +} + +void nsHtml5HtmlAttributes::clearWithoutReleasingContents() { + mStorage.TruncateLength(0); +} + +bool nsHtml5HtmlAttributes::contains(nsHtml5AttributeName* aName) { + for (size_t i = 0; i < mStorage.Length(); i++) { + if (mStorage[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); + for (nsHtml5AttributeEntry& entry : mStorage) { + clone->AddEntry(entry.Clone()); + } + return clone; +} + +bool nsHtml5HtmlAttributes::equalsAnother(nsHtml5HtmlAttributes* aOther) { + MOZ_ASSERT(!mMode, "Trying to compare attributes in foreign content."); + if (mStorage.Length() != aOther->mStorage.Length()) { + return false; + } + for (nsHtml5AttributeEntry& entry : mStorage) { + bool found = false; + nsAtom* ownLocal = entry.GetLocal(nsHtml5AttributeName::HTML); + for (nsHtml5AttributeEntry& otherEntry : aOther->mStorage) { + 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; } |