forked from mirrors/gecko-dev
71422dcaa9
s/NS_PRECONDITION/MOZ_ASSERT/ and reindent MozReview-Commit-ID: KuUsnVe2h8L --HG-- extra : source : c14655ab3df2c9b1465dd8102b9d25683359a37b
819 lines
24 KiB
C++
819 lines
24 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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#include "nsHtml5Highlighter.h"
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#include "nsDebug.h"
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#include "nsHtml5AttributeName.h"
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#include "nsHtml5Tokenizer.h"
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#include "nsHtml5ViewSourceUtils.h"
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#include "nsString.h"
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#include "nsThreadUtils.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/Preferences.h"
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using namespace mozilla;
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// The old code had a limit of 16 tokens. 1300 is a number picked my measuring
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// the size of 16 tokens on cnn.com.
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#define NS_HTML5_HIGHLIGHTER_PRE_BREAK_THRESHOLD 1300
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char16_t nsHtml5Highlighter::sComment[] = {
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'c', 'o', 'm', 'm', 'e', 'n', 't', 0
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};
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char16_t nsHtml5Highlighter::sCdata[] = { 'c', 'd', 'a', 't', 'a', 0 };
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char16_t nsHtml5Highlighter::sEntity[] = { 'e', 'n', 't', 'i', 't', 'y', 0 };
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char16_t nsHtml5Highlighter::sEndTag[] = {
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'e', 'n', 'd', '-', 't', 'a', 'g', 0
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};
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char16_t nsHtml5Highlighter::sStartTag[] = { 's', 't', 'a', 'r', 't',
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'-', 't', 'a', 'g', 0 };
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char16_t nsHtml5Highlighter::sAttributeName[] = { 'a', 't', 't', 'r', 'i',
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'b', 'u', 't', 'e', '-',
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'n', 'a', 'm', 'e', 0 };
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char16_t nsHtml5Highlighter::sAttributeValue[] = { 'a', 't', 't', 'r', 'i', 'b',
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'u', 't', 'e', '-', 'v', 'a',
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'l', 'u', 'e', 0 };
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char16_t nsHtml5Highlighter::sDoctype[] = {
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'd', 'o', 'c', 't', 'y', 'p', 'e', 0
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};
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char16_t nsHtml5Highlighter::sPi[] = { 'p', 'i', 0 };
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nsHtml5Highlighter::nsHtml5Highlighter(nsAHtml5TreeOpSink* aOpSink)
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: mState(nsHtml5Tokenizer::DATA)
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, mCStart(INT32_MAX)
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, mPos(0)
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, mLineNumber(1)
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, mInlinesOpen(0)
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, mInCharacters(false)
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, mBuffer(nullptr)
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, mOpSink(aOpSink)
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, mCurrentRun(nullptr)
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, mAmpersand(nullptr)
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, mSlash(nullptr)
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, mHandles(
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MakeUnique<nsIContent* []>(NS_HTML5_HIGHLIGHTER_HANDLE_ARRAY_LENGTH))
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, mHandlesUsed(0)
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, mSeenBase(false)
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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}
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nsHtml5Highlighter::~nsHtml5Highlighter()
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{
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NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
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}
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void
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nsHtml5Highlighter::Start(const nsAutoString& aTitle)
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{
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// Doctype
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mOpQueue.AppendElement()->Init(nsGkAtoms::html, EmptyString(), EmptyString());
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mOpQueue.AppendElement()->Init(STANDARDS_MODE);
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// <html> uses NS_NewHTMLSharedElement creator
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nsIContent** root =
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CreateElement(nsGkAtoms::html, nullptr, nullptr, NS_NewHTMLSharedElement);
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mOpQueue.AppendElement()->Init(eTreeOpAppendToDocument, root);
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mStack.AppendElement(root);
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// <head> uses NS_NewHTMLSharedElement creator
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Push(nsGkAtoms::head, nullptr, NS_NewHTMLSharedElement);
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Push(nsGkAtoms::meta,
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nsHtml5ViewSourceUtils::NewMetaViewportAttributes(),
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NS_NewHTMLMetaElement);
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Pop(); // meta
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Push(nsGkAtoms::title, nullptr, NS_NewHTMLTitleElement);
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// XUL will add the "Source of: " prefix.
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uint32_t length = aTitle.Length();
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if (length > INT32_MAX) {
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length = INT32_MAX;
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}
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AppendCharacters(aTitle.BeginReading(), 0, (int32_t)length);
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Pop(); // title
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Push(nsGkAtoms::link,
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nsHtml5ViewSourceUtils::NewLinkAttributes(),
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NS_NewHTMLLinkElement);
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mOpQueue.AppendElement()->Init(eTreeOpUpdateStyleSheet, CurrentNode());
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Pop(); // link
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Pop(); // head
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Push(nsGkAtoms::body,
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nsHtml5ViewSourceUtils::NewBodyAttributes(),
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NS_NewHTMLBodyElement);
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nsHtml5HtmlAttributes* preAttrs = new nsHtml5HtmlAttributes(0);
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nsHtml5String preId = nsHtml5Portability::newStringFromLiteral("line1");
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preAttrs->addAttribute(nsHtml5AttributeName::ATTR_ID, preId, -1);
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Push(nsGkAtoms::pre, preAttrs, NS_NewHTMLPreElement);
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StartCharacters();
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mOpQueue.AppendElement()->Init(eTreeOpStartLayout);
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}
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int32_t
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nsHtml5Highlighter::Transition(int32_t aState, bool aReconsume, int32_t aPos)
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{
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mPos = aPos;
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switch (mState) {
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case nsHtml5Tokenizer::SCRIPT_DATA:
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case nsHtml5Tokenizer::RAWTEXT:
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case nsHtml5Tokenizer::RCDATA:
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case nsHtml5Tokenizer::DATA:
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// We can transition on < and on &. Either way, we don't yet know the
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// role of the token, so open a span without class.
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if (aState == nsHtml5Tokenizer::CONSUME_CHARACTER_REFERENCE) {
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StartSpan();
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// Start another span for highlighting the ampersand
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StartSpan();
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mAmpersand = CurrentNode();
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} else {
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EndCharactersAndStartMarkupRun();
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}
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break;
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case nsHtml5Tokenizer::TAG_OPEN:
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switch (aState) {
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case nsHtml5Tokenizer::TAG_NAME:
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StartSpan(sStartTag);
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break;
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case nsHtml5Tokenizer::DATA:
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FinishTag(); // DATA
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break;
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case nsHtml5Tokenizer::PROCESSING_INSTRUCTION:
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AddClass(sPi);
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break;
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}
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break;
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case nsHtml5Tokenizer::TAG_NAME:
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switch (aState) {
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case nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME:
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EndSpanOrA(); // nsHtml5Tokenizer::TAG_NAME
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break;
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case nsHtml5Tokenizer::SELF_CLOSING_START_TAG:
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EndSpanOrA(); // nsHtml5Tokenizer::TAG_NAME
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StartSpan(); // for highlighting the slash
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mSlash = CurrentNode();
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break;
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default:
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FinishTag();
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break;
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}
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break;
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case nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME:
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switch (aState) {
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case nsHtml5Tokenizer::ATTRIBUTE_NAME:
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StartSpan(sAttributeName);
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break;
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case nsHtml5Tokenizer::SELF_CLOSING_START_TAG:
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StartSpan(); // for highlighting the slash
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mSlash = CurrentNode();
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break;
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default:
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FinishTag();
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break;
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}
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break;
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case nsHtml5Tokenizer::ATTRIBUTE_NAME:
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switch (aState) {
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case nsHtml5Tokenizer::AFTER_ATTRIBUTE_NAME:
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case nsHtml5Tokenizer::BEFORE_ATTRIBUTE_VALUE:
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EndSpanOrA(); // nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME
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break;
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case nsHtml5Tokenizer::SELF_CLOSING_START_TAG:
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EndSpanOrA(); // nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME
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StartSpan(); // for highlighting the slash
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mSlash = CurrentNode();
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break;
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default:
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FinishTag();
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break;
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}
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break;
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case nsHtml5Tokenizer::BEFORE_ATTRIBUTE_VALUE:
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switch (aState) {
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case nsHtml5Tokenizer::ATTRIBUTE_VALUE_DOUBLE_QUOTED:
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case nsHtml5Tokenizer::ATTRIBUTE_VALUE_SINGLE_QUOTED:
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FlushCurrent();
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StartA();
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break;
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case nsHtml5Tokenizer::ATTRIBUTE_VALUE_UNQUOTED:
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StartA();
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break;
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default:
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FinishTag();
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break;
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}
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break;
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case nsHtml5Tokenizer::ATTRIBUTE_VALUE_DOUBLE_QUOTED:
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case nsHtml5Tokenizer::ATTRIBUTE_VALUE_SINGLE_QUOTED:
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switch (aState) {
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case nsHtml5Tokenizer::AFTER_ATTRIBUTE_VALUE_QUOTED:
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EndSpanOrA();
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break;
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case nsHtml5Tokenizer::CONSUME_CHARACTER_REFERENCE:
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StartSpan();
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StartSpan(); // for ampersand itself
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mAmpersand = CurrentNode();
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break;
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default:
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NS_NOTREACHED("Impossible transition.");
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break;
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}
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break;
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case nsHtml5Tokenizer::AFTER_ATTRIBUTE_VALUE_QUOTED:
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switch (aState) {
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case nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME:
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break;
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case nsHtml5Tokenizer::SELF_CLOSING_START_TAG:
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StartSpan(); // for highlighting the slash
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mSlash = CurrentNode();
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break;
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default:
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FinishTag();
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break;
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}
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break;
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case nsHtml5Tokenizer::SELF_CLOSING_START_TAG:
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EndSpanOrA(); // end the slash highlight
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switch (aState) {
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case nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME:
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break;
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default:
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FinishTag();
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break;
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}
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break;
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case nsHtml5Tokenizer::ATTRIBUTE_VALUE_UNQUOTED:
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switch (aState) {
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case nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME:
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EndSpanOrA();
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break;
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case nsHtml5Tokenizer::CONSUME_CHARACTER_REFERENCE:
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StartSpan();
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StartSpan(); // for ampersand itself
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mAmpersand = CurrentNode();
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break;
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default:
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FinishTag();
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break;
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}
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break;
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case nsHtml5Tokenizer::AFTER_ATTRIBUTE_NAME:
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switch (aState) {
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case nsHtml5Tokenizer::SELF_CLOSING_START_TAG:
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StartSpan(); // for highlighting the slash
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mSlash = CurrentNode();
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break;
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case nsHtml5Tokenizer::BEFORE_ATTRIBUTE_VALUE:
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break;
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case nsHtml5Tokenizer::ATTRIBUTE_NAME:
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StartSpan(sAttributeName);
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break;
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default:
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FinishTag();
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break;
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}
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break;
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// most comment states are omitted, because they don't matter to
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// highlighting
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case nsHtml5Tokenizer::COMMENT_START:
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case nsHtml5Tokenizer::COMMENT_END:
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case nsHtml5Tokenizer::COMMENT_END_BANG:
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case nsHtml5Tokenizer::COMMENT_START_DASH:
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case nsHtml5Tokenizer::BOGUS_COMMENT:
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case nsHtml5Tokenizer::BOGUS_COMMENT_HYPHEN:
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if (aState == nsHtml5Tokenizer::DATA) {
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AddClass(sComment);
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FinishTag();
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}
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break;
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// most cdata states are omitted, because they don't matter to
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// highlighting
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case nsHtml5Tokenizer::CDATA_RSQB_RSQB:
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if (aState == nsHtml5Tokenizer::DATA) {
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AddClass(sCdata);
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FinishTag();
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}
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break;
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case nsHtml5Tokenizer::CONSUME_CHARACTER_REFERENCE:
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EndSpanOrA(); // the span for the ampersand
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switch (aState) {
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case nsHtml5Tokenizer::CONSUME_NCR:
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case nsHtml5Tokenizer::CHARACTER_REFERENCE_HILO_LOOKUP:
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break;
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default:
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// not actually a character reference
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EndSpanOrA();
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break;
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}
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break;
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case nsHtml5Tokenizer::CHARACTER_REFERENCE_HILO_LOOKUP:
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if (aState == nsHtml5Tokenizer::CHARACTER_REFERENCE_TAIL) {
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break;
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}
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// not actually a character reference
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EndSpanOrA();
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break;
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case nsHtml5Tokenizer::CHARACTER_REFERENCE_TAIL:
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if (!aReconsume) {
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FlushCurrent();
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}
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EndSpanOrA();
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break;
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case nsHtml5Tokenizer::DECIMAL_NRC_LOOP:
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case nsHtml5Tokenizer::HEX_NCR_LOOP:
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switch (aState) {
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case nsHtml5Tokenizer::HANDLE_NCR_VALUE:
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AddClass(sEntity);
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FlushCurrent();
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break;
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case nsHtml5Tokenizer::HANDLE_NCR_VALUE_RECONSUME:
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AddClass(sEntity);
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break;
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}
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EndSpanOrA();
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break;
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case nsHtml5Tokenizer::CLOSE_TAG_OPEN:
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switch (aState) {
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case nsHtml5Tokenizer::DATA:
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FinishTag();
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break;
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case nsHtml5Tokenizer::TAG_NAME:
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StartSpan(sEndTag);
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break;
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}
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break;
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case nsHtml5Tokenizer::RAWTEXT_RCDATA_LESS_THAN_SIGN:
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if (aState == nsHtml5Tokenizer::NON_DATA_END_TAG_NAME) {
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FlushCurrent();
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StartSpan(); // don't know if it is "end-tag" yet :-(
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break;
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}
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EndSpanOrA();
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StartCharacters();
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break;
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case nsHtml5Tokenizer::NON_DATA_END_TAG_NAME:
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switch (aState) {
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case nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME:
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AddClass(sEndTag);
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EndSpanOrA();
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break;
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case nsHtml5Tokenizer::SELF_CLOSING_START_TAG:
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AddClass(sEndTag);
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EndSpanOrA();
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StartSpan(); // for highlighting the slash
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mSlash = CurrentNode();
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break;
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case nsHtml5Tokenizer::DATA: // yes, as a result of emitting the token
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AddClass(sEndTag);
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FinishTag();
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break;
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default:
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FinishTag();
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break;
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}
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break;
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case nsHtml5Tokenizer::SCRIPT_DATA_LESS_THAN_SIGN:
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case nsHtml5Tokenizer::SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN:
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if (aState == nsHtml5Tokenizer::NON_DATA_END_TAG_NAME) {
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FlushCurrent();
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StartSpan(); // don't know if it is "end-tag" yet :-(
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break;
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}
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FinishTag();
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break;
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case nsHtml5Tokenizer::SCRIPT_DATA_ESCAPED_DASH_DASH:
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case nsHtml5Tokenizer::SCRIPT_DATA_ESCAPED:
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case nsHtml5Tokenizer::SCRIPT_DATA_ESCAPED_DASH:
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if (aState == nsHtml5Tokenizer::SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN) {
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EndCharactersAndStartMarkupRun();
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}
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break;
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// Lots of double escape states omitted, because they don't highlight.
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// Likewise, only doctype states that can emit the doctype are of
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// interest. Otherwise, the transition out of bogus comment deals.
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case nsHtml5Tokenizer::BEFORE_DOCTYPE_NAME:
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case nsHtml5Tokenizer::DOCTYPE_NAME:
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case nsHtml5Tokenizer::AFTER_DOCTYPE_NAME:
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case nsHtml5Tokenizer::AFTER_DOCTYPE_PUBLIC_KEYWORD:
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case nsHtml5Tokenizer::BEFORE_DOCTYPE_PUBLIC_IDENTIFIER:
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case nsHtml5Tokenizer::DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED:
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case nsHtml5Tokenizer::AFTER_DOCTYPE_PUBLIC_IDENTIFIER:
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case nsHtml5Tokenizer::BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS:
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case nsHtml5Tokenizer::DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED:
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case nsHtml5Tokenizer::AFTER_DOCTYPE_SYSTEM_IDENTIFIER:
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case nsHtml5Tokenizer::BOGUS_DOCTYPE:
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case nsHtml5Tokenizer::AFTER_DOCTYPE_SYSTEM_KEYWORD:
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case nsHtml5Tokenizer::BEFORE_DOCTYPE_SYSTEM_IDENTIFIER:
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case nsHtml5Tokenizer::DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED:
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case nsHtml5Tokenizer::DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED:
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if (aState == nsHtml5Tokenizer::DATA) {
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AddClass(sDoctype);
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FinishTag();
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}
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break;
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case nsHtml5Tokenizer::PROCESSING_INSTRUCTION_QUESTION_MARK:
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if (aState == nsHtml5Tokenizer::DATA) {
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FinishTag();
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}
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break;
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default:
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break;
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}
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mState = aState;
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return aState;
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}
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void
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nsHtml5Highlighter::End()
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{
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switch (mState) {
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case nsHtml5Tokenizer::COMMENT_END:
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case nsHtml5Tokenizer::COMMENT_END_BANG:
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case nsHtml5Tokenizer::COMMENT_START_DASH:
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case nsHtml5Tokenizer::BOGUS_COMMENT:
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case nsHtml5Tokenizer::BOGUS_COMMENT_HYPHEN:
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AddClass(sComment);
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break;
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case nsHtml5Tokenizer::CDATA_RSQB_RSQB:
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AddClass(sCdata);
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break;
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case nsHtml5Tokenizer::DECIMAL_NRC_LOOP:
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case nsHtml5Tokenizer::HEX_NCR_LOOP:
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// XXX need tokenizer help here
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break;
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case nsHtml5Tokenizer::BEFORE_DOCTYPE_NAME:
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case nsHtml5Tokenizer::DOCTYPE_NAME:
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case nsHtml5Tokenizer::AFTER_DOCTYPE_NAME:
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case nsHtml5Tokenizer::AFTER_DOCTYPE_PUBLIC_KEYWORD:
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case nsHtml5Tokenizer::BEFORE_DOCTYPE_PUBLIC_IDENTIFIER:
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case nsHtml5Tokenizer::DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED:
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case nsHtml5Tokenizer::AFTER_DOCTYPE_PUBLIC_IDENTIFIER:
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case nsHtml5Tokenizer::BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS:
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case nsHtml5Tokenizer::DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED:
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case nsHtml5Tokenizer::AFTER_DOCTYPE_SYSTEM_IDENTIFIER:
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case nsHtml5Tokenizer::BOGUS_DOCTYPE:
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case nsHtml5Tokenizer::AFTER_DOCTYPE_SYSTEM_KEYWORD:
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case nsHtml5Tokenizer::BEFORE_DOCTYPE_SYSTEM_IDENTIFIER:
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case nsHtml5Tokenizer::DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED:
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case nsHtml5Tokenizer::DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED:
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AddClass(sDoctype);
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break;
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default:
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break;
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}
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
|
|
NS_ASSERTION(treeOp, "Tree op allocation failed.");
|
|
treeOp->Init(eTreeOpStreamEnded);
|
|
FlushOps();
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::SetBuffer(nsHtml5UTF16Buffer* aBuffer)
|
|
{
|
|
MOZ_ASSERT(!mBuffer, "Old buffer still here!");
|
|
mBuffer = aBuffer;
|
|
mCStart = aBuffer->getStart();
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::DropBuffer(int32_t aPos)
|
|
{
|
|
MOZ_ASSERT(mBuffer, "No buffer to drop!");
|
|
mPos = aPos;
|
|
FlushChars();
|
|
mBuffer = nullptr;
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::StartSpan()
|
|
{
|
|
FlushChars();
|
|
Push(nsGkAtoms::span, nullptr, NS_NewHTMLSpanElement);
|
|
++mInlinesOpen;
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::StartSpan(const char16_t* aClass)
|
|
{
|
|
StartSpan();
|
|
AddClass(aClass);
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::EndSpanOrA()
|
|
{
|
|
FlushChars();
|
|
Pop();
|
|
--mInlinesOpen;
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::StartCharacters()
|
|
{
|
|
MOZ_ASSERT(!mInCharacters, "Already in characters!");
|
|
FlushChars();
|
|
Push(nsGkAtoms::span, nullptr, NS_NewHTMLSpanElement);
|
|
mCurrentRun = CurrentNode();
|
|
mInCharacters = true;
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::EndCharactersAndStartMarkupRun()
|
|
{
|
|
MOZ_ASSERT(mInCharacters, "Not in characters!");
|
|
FlushChars();
|
|
Pop();
|
|
mInCharacters = false;
|
|
// Now start markup run
|
|
StartSpan();
|
|
mCurrentRun = CurrentNode();
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::StartA()
|
|
{
|
|
FlushChars();
|
|
Push(nsGkAtoms::a, nullptr, NS_NewHTMLAnchorElement);
|
|
AddClass(sAttributeValue);
|
|
++mInlinesOpen;
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::FinishTag()
|
|
{
|
|
while (mInlinesOpen > 1) {
|
|
EndSpanOrA();
|
|
}
|
|
FlushCurrent(); // >
|
|
EndSpanOrA(); // DATA
|
|
NS_ASSERTION(!mInlinesOpen, "mInlinesOpen got out of sync!");
|
|
StartCharacters();
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::FlushChars()
|
|
{
|
|
if (mCStart < mPos) {
|
|
char16_t* buf = mBuffer->getBuffer();
|
|
int32_t i = mCStart;
|
|
while (i < mPos) {
|
|
char16_t c = buf[i];
|
|
switch (c) {
|
|
case '\r':
|
|
// The input this code sees has been normalized so that there are
|
|
// CR breaks and LF breaks but no CRLF breaks. Overwrite CR with LF
|
|
// to show consistent LF line breaks to layout. It is OK to mutate
|
|
// the input data, because there are no reparses in the View Source
|
|
// case, so we won't need the original data in the buffer anymore.
|
|
buf[i] = '\n';
|
|
MOZ_FALLTHROUGH;
|
|
case '\n': {
|
|
++i;
|
|
if (mCStart < i) {
|
|
int32_t len = i - mCStart;
|
|
AppendCharacters(buf, mCStart, len);
|
|
mCStart = i;
|
|
}
|
|
++mLineNumber;
|
|
Push(nsGkAtoms::span, nullptr, NS_NewHTMLSpanElement);
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
|
|
NS_ASSERTION(treeOp, "Tree op allocation failed.");
|
|
treeOp->InitAddLineNumberId(CurrentNode(), mLineNumber);
|
|
Pop();
|
|
break;
|
|
}
|
|
default:
|
|
++i;
|
|
break;
|
|
}
|
|
}
|
|
if (mCStart < mPos) {
|
|
int32_t len = mPos - mCStart;
|
|
AppendCharacters(buf, mCStart, len);
|
|
mCStart = mPos;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::FlushCurrent()
|
|
{
|
|
mPos++;
|
|
FlushChars();
|
|
}
|
|
|
|
bool
|
|
nsHtml5Highlighter::FlushOps()
|
|
{
|
|
bool hasOps = !mOpQueue.IsEmpty();
|
|
if (hasOps) {
|
|
mOpSink->MoveOpsFrom(mOpQueue);
|
|
}
|
|
return hasOps;
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::MaybeLinkifyAttributeValue(nsHtml5AttributeName* aName,
|
|
nsHtml5String aValue)
|
|
{
|
|
if (!(nsHtml5AttributeName::ATTR_HREF == aName ||
|
|
nsHtml5AttributeName::ATTR_SRC == aName ||
|
|
nsHtml5AttributeName::ATTR_ACTION == aName ||
|
|
nsHtml5AttributeName::ATTR_CITE == aName ||
|
|
nsHtml5AttributeName::ATTR_BACKGROUND == aName ||
|
|
nsHtml5AttributeName::ATTR_LONGDESC == aName ||
|
|
nsHtml5AttributeName::ATTR_XLINK_HREF == aName ||
|
|
nsHtml5AttributeName::ATTR_DEFINITIONURL == aName)) {
|
|
return;
|
|
}
|
|
AddViewSourceHref(aValue);
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::CompletedNamedCharacterReference()
|
|
{
|
|
AddClass(sEntity);
|
|
}
|
|
|
|
nsIContent**
|
|
nsHtml5Highlighter::AllocateContentHandle()
|
|
{
|
|
if (mHandlesUsed == NS_HTML5_HIGHLIGHTER_HANDLE_ARRAY_LENGTH) {
|
|
mOldHandles.AppendElement(Move(mHandles));
|
|
mHandles =
|
|
MakeUnique<nsIContent* []>(NS_HTML5_HIGHLIGHTER_HANDLE_ARRAY_LENGTH);
|
|
mHandlesUsed = 0;
|
|
}
|
|
#ifdef DEBUG
|
|
mHandles[mHandlesUsed] = reinterpret_cast<nsIContent*>(uintptr_t(0xC0DEDBAD));
|
|
#endif
|
|
return &mHandles[mHandlesUsed++];
|
|
}
|
|
|
|
nsIContent**
|
|
nsHtml5Highlighter::CreateElement(
|
|
nsAtom* aName,
|
|
nsHtml5HtmlAttributes* aAttributes,
|
|
nsIContent** aIntendedParent,
|
|
mozilla::dom::HTMLContentCreatorFunction aCreator)
|
|
{
|
|
MOZ_ASSERT(aName, "Got null name.");
|
|
nsHtml5ContentCreatorFunction creator;
|
|
creator.html = aCreator;
|
|
nsIContent** content = AllocateContentHandle();
|
|
mOpQueue.AppendElement()->Init(kNameSpaceID_XHTML,
|
|
aName,
|
|
aAttributes,
|
|
content,
|
|
aIntendedParent,
|
|
true,
|
|
creator);
|
|
return content;
|
|
}
|
|
|
|
nsIContent**
|
|
nsHtml5Highlighter::CurrentNode()
|
|
{
|
|
MOZ_ASSERT(mStack.Length() >= 1, "Must have something on stack.");
|
|
return mStack[mStack.Length() - 1];
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::Push(nsAtom* aName,
|
|
nsHtml5HtmlAttributes* aAttributes,
|
|
mozilla::dom::HTMLContentCreatorFunction aCreator)
|
|
{
|
|
MOZ_ASSERT(mStack.Length() >= 1, "Pushing without root.");
|
|
nsIContent** elt = CreateElement(aName,
|
|
aAttributes,
|
|
CurrentNode(),
|
|
aCreator); // Don't inline below!
|
|
mOpQueue.AppendElement()->Init(eTreeOpAppend, elt, CurrentNode());
|
|
mStack.AppendElement(elt);
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::Pop()
|
|
{
|
|
MOZ_ASSERT(mStack.Length() >= 2, "Popping when stack too short.");
|
|
mStack.RemoveLastElement();
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::AppendCharacters(const char16_t* aBuffer,
|
|
int32_t aStart,
|
|
int32_t aLength)
|
|
{
|
|
MOZ_ASSERT(aBuffer, "Null buffer");
|
|
|
|
char16_t* bufferCopy = new char16_t[aLength];
|
|
memcpy(bufferCopy, aBuffer + aStart, aLength * sizeof(char16_t));
|
|
|
|
mOpQueue.AppendElement()->Init(
|
|
eTreeOpAppendText, bufferCopy, aLength, CurrentNode());
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::AddClass(const char16_t* aClass)
|
|
{
|
|
mOpQueue.AppendElement()->InitAddClass(CurrentNode(), aClass);
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::AddViewSourceHref(nsHtml5String aValue)
|
|
{
|
|
char16_t* bufferCopy = new char16_t[aValue.Length() + 1];
|
|
aValue.CopyToBuffer(bufferCopy);
|
|
bufferCopy[aValue.Length()] = 0;
|
|
|
|
mOpQueue.AppendElement()->Init(
|
|
eTreeOpAddViewSourceHref, bufferCopy, aValue.Length(), CurrentNode());
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::AddBase(nsHtml5String aValue)
|
|
{
|
|
if (mSeenBase) {
|
|
return;
|
|
}
|
|
mSeenBase = true;
|
|
char16_t* bufferCopy = new char16_t[aValue.Length() + 1];
|
|
aValue.CopyToBuffer(bufferCopy);
|
|
bufferCopy[aValue.Length()] = 0;
|
|
|
|
mOpQueue.AppendElement()->Init(
|
|
eTreeOpAddViewSourceBase, bufferCopy, aValue.Length());
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::AddErrorToCurrentNode(const char* aMsgId)
|
|
{
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
|
|
NS_ASSERTION(treeOp, "Tree op allocation failed.");
|
|
treeOp->Init(CurrentNode(), aMsgId);
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::AddErrorToCurrentRun(const char* aMsgId)
|
|
{
|
|
MOZ_ASSERT(mCurrentRun, "Adding error to run without one!");
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
|
|
NS_ASSERTION(treeOp, "Tree op allocation failed.");
|
|
treeOp->Init(mCurrentRun, aMsgId);
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::AddErrorToCurrentRun(const char* aMsgId, nsAtom* aName)
|
|
{
|
|
MOZ_ASSERT(mCurrentRun, "Adding error to run without one!");
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
|
|
NS_ASSERTION(treeOp, "Tree op allocation failed.");
|
|
treeOp->Init(mCurrentRun, aMsgId, aName);
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::AddErrorToCurrentRun(const char* aMsgId,
|
|
nsAtom* aName,
|
|
nsAtom* aOther)
|
|
{
|
|
MOZ_ASSERT(mCurrentRun, "Adding error to run without one!");
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
|
|
NS_ASSERTION(treeOp, "Tree op allocation failed.");
|
|
treeOp->Init(mCurrentRun, aMsgId, aName, aOther);
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::AddErrorToCurrentAmpersand(const char* aMsgId)
|
|
{
|
|
MOZ_ASSERT(mAmpersand, "Adding error to ampersand without one!");
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
|
|
NS_ASSERTION(treeOp, "Tree op allocation failed.");
|
|
treeOp->Init(mAmpersand, aMsgId);
|
|
}
|
|
|
|
void
|
|
nsHtml5Highlighter::AddErrorToCurrentSlash(const char* aMsgId)
|
|
{
|
|
MOZ_ASSERT(mSlash, "Adding error to slash without one!");
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
|
|
NS_ASSERTION(treeOp, "Tree op allocation failed.");
|
|
treeOp->Init(mSlash, aMsgId);
|
|
}
|