Quelle nsHtml5Tokenizer.cpp Sprache: C

/*
* Copyright (c) 2005-2007 Henri Sivonen
* Copyright (c) 2007-2017 Mozilla Foundation
* Portions of comments Copyright 2004-2010 Apple Computer, Inc., Mozilla
* Foundation, and Opera Software ASA.
*
* 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.
*/

/*
* THIS IS A GENERATED FILE. PLEASE DO NOT EDIT.
* Please edit Tokenizer.java instead and regenerate.
*/

#define nsHtml5Tokenizer_cpp__

#include "nsHtml5AttributeName.h"
#include "nsHtml5ElementName.h"
#include "nsHtml5TreeBuilder.h"
#include "nsHtml5StackNode.h"
#include "nsHtml5UTF16Buffer.h"
#include "nsHtml5StateSnapshot.h"
#include "nsHtml5Portability.h"

#include "nsHtml5Tokenizer.h"

#include "nsHtml5TokenizerLoopPolicies.h"

char16_t nsHtml5Tokenizer::LT_GT[] = {'<', '>'};
char16_t nsHtml5Tokenizer::LT_SOLIDUS[] = {'<', '/'};
char16_t nsHtml5Tokenizer::RSQB_RSQB[] = {']', ']'};
char16_t nsHtml5Tokenizer::REPLACEMENT_CHARACTER[] = {0xfffd};
char16_t nsHtml5Tokenizer::LF[] = {'\n'};
char16_t nsHtml5Tokenizer::CDATA_LSQB[] = {'C', 'D', 'A', 'T', 'A', '['};
char16_t nsHtml5Tokenizer::OCTYPE[] = {'o', 'c', 't', 'y', 'p', 'e'};
char16_t nsHtml5Tokenizer::UBLIC[] = {'u', 'b', 'l', 'i', 'c'};
char16_t nsHtml5Tokenizer::YSTEM[] = {'y', 's', 't', 'e', 'm'};
static char16_t const TITLE_ARR_DATA[] = {'t', 'i', 't', 'l', 'e'};
staticJArray<char16_t, int32_t> nsHtml5Tokenizer::TITLE_ARR = {
 TITLE_ARR_DATA, std::size(TITLE_ARR_DATA)};
static char16_t const SCRIPT_ARR_DATA[] = {'s', 'c', 'r', 'i', 'p', 't'};
staticJArray<char16_t, int32_t> nsHtml5Tokenizer::SCRIPT_ARR = {
 SCRIPT_ARR_DATA, std::size(SCRIPT_ARR_DATA)};
static char16_t const STYLE_ARR_DATA[] = {'s', 't', 'y', 'l', 'e'};
staticJArray<char16_t, int32_t> nsHtml5Tokenizer::STYLE_ARR = {
 STYLE_ARR_DATA, std::size(STYLE_ARR_DATA)};
static char16_t const PLAINTEXT_ARR_DATA[] = {'p', 'l', 'a', 'i', 'n',
 't', 'e', 'x', 't'};
staticJArray<char16_t, int32_t> nsHtml5Tokenizer::PLAINTEXT_ARR = {
 PLAINTEXT_ARR_DATA, std::size(PLAINTEXT_ARR_DATA)};
static char16_t const XMP_ARR_DATA[] = {'x', 'm', 'p'};
staticJArray<char16_t, int32_t> nsHtml5Tokenizer::XMP_ARR = {
 XMP_ARR_DATA, std::size(XMP_ARR_DATA)};
static char16_t const TEXTAREA_ARR_DATA[] = {'t', 'e', 'x', 't',
 'a', 'r', 'e', 'a'};
staticJArray<char16_t, int32_t> nsHtml5Tokenizer::TEXTAREA_ARR = {
 TEXTAREA_ARR_DATA, std::size(TEXTAREA_ARR_DATA)};
static char16_t const IFRAME_ARR_DATA[] = {'i', 'f', 'r', 'a', 'm', 'e'};
staticJArray<char16_t, int32_t> nsHtml5Tokenizer::IFRAME_ARR = {
 IFRAME_ARR_DATA, std::size(IFRAME_ARR_DATA)};
static char16_t const NOEMBED_ARR_DATA[] = {'n', 'o', 'e', 'm', 'b', 'e', 'd'};
staticJArray<char16_t, int32_t> nsHtml5Tokenizer::NOEMBED_ARR = {
 NOEMBED_ARR_DATA, std::size(NOEMBED_ARR_DATA)};
static char16_t const NOSCRIPT_ARR_DATA[] = {'n', 'o', 's', 'c',
 'r', 'i', 'p', 't'};
staticJArray<char16_t, int32_t> nsHtml5Tokenizer::NOSCRIPT_ARR = {
 NOSCRIPT_ARR_DATA, std::size(NOSCRIPT_ARR_DATA)};
static char16_t const NOFRAMES_ARR_DATA[] = {'n', 'o', 'f', 'r',
 'a', 'm', 'e', 's'};
staticJArray<char16_t, int32_t> nsHtml5Tokenizer::NOFRAMES_ARR = {
 NOFRAMES_ARR_DATA, std::size(NOFRAMES_ARR_DATA)};

nsHtml5Tokenizer::nsHtml5Tokenizer(nsHtml5TreeBuilder* tokenHandler,
 bool viewingXmlSource)
 : tokenHandler(tokenHandler),
 encodingDeclarationHandler(nullptr),
 lastCR(false),
 stateSave(0),
 returnStateSave(0),
 index(0),
 forceQuirks(false),
 additional('\0'),
 entCol(0),
 firstCharKey(0),
 lo(0),
 hi(0),
 candidate(0),
 charRefBufMark(0),
 value(0),
 seenDigits(false),
 suspendAfterCurrentNonTextToken(false),
 cstart(0),
 strBufLen(0),
 charRefBuf(jArray<char16_t, int32_t>::newJArray(32)),
 charRefBufLen(0),
 bmpChar(jArray<char16_t, int32_t>::newJArray(1)),
 astralChar(jArray<char16_t, int32_t>::newJArray(2)),
 endTagExpectation(nullptr),
 endTagExpectationAsArray(nullptr),
 endTag(false),
 containsHyphen(false),
 tagName(nullptr),
 nonInternedTagName(new nsHtml5ElementName()),
 attributeName(nullptr),
 nonInternedAttributeName(new nsHtml5AttributeName()),
 doctypeName(nullptr),
 publicIdentifier(nullptr),
 systemIdentifier(nullptr),
 attributes(tokenHandler->HasBuilder() ? new nsHtml5HtmlAttributes(0)
 : nullptr),
 newAttributesEachTime(!tokenHandler->HasBuilder()),
 shouldSuspend(false),
 keepBuffer(false),
 confident(false),
 line(0),
 attributeLine(0),
 interner(nullptr),
 viewingXmlSource(viewingXmlSource) {
 MOZ_COUNT_CTOR(nsHtml5Tokenizer);
}

void nsHtml5Tokenizer::setInterner(nsHtml5AtomTable* interner) {
 this->interner = interner;
}

void nsHtml5Tokenizer::initLocation(nsHtml5String newPublicId,
 nsHtml5String newSystemId) {
 this->systemId = newSystemId;
 this->publicId = newPublicId;
}

bool nsHtml5Tokenizer::isViewingXmlSource() { return viewingXmlSource; }

void nsHtml5Tokenizer::setKeepBuffer(bool keepBuffer) {
 this->keepBuffer = keepBuffer;
}

bool nsHtml5Tokenizer::dropBufferIfLongerThan(int32_t length) {
 if (strBuf.length > length) {
 strBuf = nullptr;
 return true;
 }
 return false;
}

void nsHtml5Tokenizer::setState(int32_t specialTokenizerState) {
 this->stateSave = specialTokenizerState;
 this->endTagExpectation = nullptr;
 this->endTagExpectationAsArray = nullptr;
}

void nsHtml5Tokenizer::setStateAndEndTagExpectation(
 int32_t specialTokenizerState, nsHtml5ElementName* endTagExpectation) {
 this->stateSave = specialTokenizerState;
 this->endTagExpectation = endTagExpectation;
 endTagExpectationToArray();
}

void nsHtml5Tokenizer::endTagExpectationToArray() {
 switch (endTagExpectation->getGroup()) {
 case nsHtml5TreeBuilder::TITLE: {
 endTagExpectationAsArray = TITLE_ARR;
 return;
 }
 case nsHtml5TreeBuilder::SCRIPT: {
 endTagExpectationAsArray = SCRIPT_ARR;
 return;
 }
 case nsHtml5TreeBuilder::STYLE: {
 endTagExpectationAsArray = STYLE_ARR;
 return;
 }
 case nsHtml5TreeBuilder::PLAINTEXT: {
 endTagExpectationAsArray = PLAINTEXT_ARR;
 return;
 }
 case nsHtml5TreeBuilder::XMP: {
 endTagExpectationAsArray = XMP_ARR;
 return;
 }
 case nsHtml5TreeBuilder::TEXTAREA: {
 endTagExpectationAsArray = TEXTAREA_ARR;
 return;
 }
 case nsHtml5TreeBuilder::IFRAME: {
 endTagExpectationAsArray = IFRAME_ARR;
 return;
 }
 case nsHtml5TreeBuilder::NOEMBED: {
 endTagExpectationAsArray = NOEMBED_ARR;
 return;
 }
 case nsHtml5TreeBuilder::NOSCRIPT: {
 endTagExpectationAsArray = NOSCRIPT_ARR;
 return;
 }
 case nsHtml5TreeBuilder::NOFRAMES: {
 endTagExpectationAsArray = NOFRAMES_ARR;
 return;
 }
 default: {
 MOZ_ASSERT(false, "Bad end tag expectation.");
 return;
 }
 }
}

void nsHtml5Tokenizer::setLineNumber(int32_t line) {
 this->attributeLine = line;
 this->line = line;
}

nsHtml5HtmlAttributes* nsHtml5Tokenizer::emptyAttributes() {
 return nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES;
}

void nsHtml5Tokenizer::emitOrAppendCharRefBuf(int32_t returnState) {
 if ((returnState & DATA_AND_RCDATA_MASK)) {
 appendCharRefBufToStrBuf();
 } else {
 if (charRefBufLen > 0) {
 tokenHandler->characters(charRefBuf, 0, charRefBufLen);
 charRefBufLen = 0;
 }
 }
}

nsHtml5String nsHtml5Tokenizer::strBufToString() {
 nsHtml5String str = nsHtml5Portability::newStringFromBuffer(
 strBuf, 0, strBufLen, tokenHandler,
 !newAttributesEachTime &&
 attributeName == nsHtml5AttributeName::ATTR_CLASS);
 clearStrBufAfterUse();
 return str;
}

void nsHtml5Tokenizer::strBufToDoctypeName() {
 doctypeName =
 nsHtml5Portability::newLocalNameFromBuffer(strBuf, strBufLen, interner);
 clearStrBufAfterUse();
}

void nsHtml5Tokenizer::emitStrBuf() {
 if (strBufLen > 0) {
 tokenHandler->characters(strBuf, 0, strBufLen);
 clearStrBufAfterUse();
 }
}

void nsHtml5Tokenizer::appendStrBuf(char16_t* buffer, int32_t offset,
 int32_t length) {
 int32_t newLen = nsHtml5Portability::checkedAdd(strBufLen, length);
 MOZ_ASSERT(newLen <= strBuf.length, "Previous buffer length insufficient.");
 if (MOZ_UNLIKELY(strBuf.length < newLen)) {
 if (MOZ_UNLIKELY(!EnsureBufferSpace(length))) {
 MOZ_CRASH("Unable to recover from buffer reallocation failure");
 }
 }
 nsHtml5ArrayCopy::arraycopy(buffer, offset, strBuf, strBufLen, length);
 strBufLen = newLen;
}

void nsHtml5Tokenizer::emitComment(int32_t provisionalHyphens, int32_t pos) {
 RememberGt(pos);
 tokenHandler->comment(strBuf, 0, strBufLen - provisionalHyphens);
 clearStrBufAfterUse();
 cstart = pos + 1;
 suspendIfRequestedAfterCurrentNonTextToken();
}

void nsHtml5Tokenizer::flushChars(char16_t* buf, int32_t pos) {
 if (pos > cstart) {
 tokenHandler->characters(buf, cstart, pos - cstart);
 }
 cstart = INT32_MAX;
}

void nsHtml5Tokenizer::strBufToElementNameString() {
 if (containsHyphen) {
 nsAtom* annotationName = nsHtml5ElementName::ELT_ANNOTATION_XML->getName();
 if (nsHtml5Portability::localEqualsBuffer(annotationName, strBuf,
 strBufLen)) {
 tagName = nsHtml5ElementName::ELT_ANNOTATION_XML;
 } else {
 nonInternedTagName->setNameForNonInterned(
 nsHtml5Portability::newLocalNameFromBuffer(strBuf, strBufLen,
 interner),
 true);
 tagName = nonInternedTagName;
 }
 } else {
 tagName = nsHtml5ElementName::elementNameByBuffer(strBuf, strBufLen);
 if (!tagName) {
 nonInternedTagName->setNameForNonInterned(
 nsHtml5Portability::newLocalNameFromBuffer(strBuf, strBufLen,
 interner),
 false);
 tagName = nonInternedTagName;
 }
 }
 containsHyphen = false;
 clearStrBufAfterUse();
}

int32_t nsHtml5Tokenizer::emitCurrentTagToken(bool selfClosing, int32_t pos) {
 RememberGt(pos);
 cstart = pos + 1;
 maybeErrSlashInEndTag(selfClosing);
 stateSave = nsHtml5Tokenizer::DATA;
 nsHtml5HtmlAttributes* attrs =
 (!attributes ? nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES : attributes);
 if (endTag) {
 maybeErrAttributesOnEndTag(attrs);
 if (!viewingXmlSource) {
 tokenHandler->endTag(tagName);
 }
 if (newAttributesEachTime) {
 delete attributes;
 attributes = nullptr;
 }
 } else {
 if (viewingXmlSource) {
 MOZ_ASSERT(newAttributesEachTime);
 delete attributes;
 attributes = nullptr;
 } else {
 tokenHandler->startTag(tagName, attrs, selfClosing);
 }
 }
 tagName = nullptr;
 if (newAttributesEachTime) {
 attributes = nullptr;
 } else {
 attributes->clear(0);
 }
 suspendIfRequestedAfterCurrentNonTextToken();
 return stateSave;
}

void nsHtml5Tokenizer::attributeNameComplete() {
 attributeName =
 nsHtml5AttributeName::nameByBuffer(strBuf, strBufLen, interner);
 if (!attributeName) {
 nonInternedAttributeName->setNameForNonInterned(
 nsHtml5Portability::newLocalNameFromBuffer(strBuf, strBufLen,
 interner));
 attributeName = nonInternedAttributeName;
 }
 clearStrBufAfterUse();
 if (!attributes) {
 attributes = new nsHtml5HtmlAttributes(0);
 }
 if (attributes->contains(attributeName)) {
 errDuplicateAttribute();
 attributeName = nullptr;
 }
}

void nsHtml5Tokenizer::addAttributeWithoutValue() {
 if (attributeName) {
 attributes->addAttribute(
 attributeName, nsHtml5Portability::newEmptyString(), attributeLine);
 attributeName = nullptr;
 } else {
 clearStrBufAfterUse();
 }
}

void nsHtml5Tokenizer::addAttributeWithValue() {
 if (attributeName) {
 nsHtml5String val = strBufToString();
 if (mViewSource) {
 mViewSource->MaybeLinkifyAttributeValue(attributeName, val);
 }
 attributes->addAttribute(attributeName, val, attributeLine);
 attributeName = nullptr;
 } else {
 clearStrBufAfterUse();
 }
}

void nsHtml5Tokenizer::start() {
 initializeWithoutStarting();
 tokenHandler->startTokenization(this);
 if (mViewSource) {
 line = 1;
 col = -1;
 nextCharOnNewLine = false;
 } else if (tokenHandler->WantsLineAndColumn()) {
 line = 0;
 col = 1;
 nextCharOnNewLine = true;
 } else {
 line = -1;
 col = -1;
 nextCharOnNewLine = false;
 }
}

bool nsHtml5Tokenizer::tokenizeBuffer(nsHtml5UTF16Buffer* buffer) {
 int32_t state = stateSave;
 int32_t returnState = returnStateSave;
 char16_t c = '\0';
 shouldSuspend = false;
 lastCR = false;
 int32_t start = buffer->getStart();
 int32_t end = buffer->getEnd();
 int32_t pos = start - 1;
 switch (state) {
 case DATA:
 case RCDATA:
 case SCRIPT_DATA:
 case PLAINTEXT:
 case RAWTEXT:
 case CDATA_SECTION:
 case SCRIPT_DATA_ESCAPED:
 case SCRIPT_DATA_ESCAPE_START:
 case SCRIPT_DATA_ESCAPE_START_DASH:
 case SCRIPT_DATA_ESCAPED_DASH:
 case SCRIPT_DATA_ESCAPED_DASH_DASH:
 case SCRIPT_DATA_DOUBLE_ESCAPE_START:
 case SCRIPT_DATA_DOUBLE_ESCAPED:
 case SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN:
 case SCRIPT_DATA_DOUBLE_ESCAPED_DASH:
 case SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH:
 case SCRIPT_DATA_DOUBLE_ESCAPE_END: {
 cstart = start;
 break;
 }
 default: {
 cstart = INT32_MAX;
 break;
 }
 }
 if (mViewSource) {
 mViewSource->SetBuffer(buffer);
 pos = stateLoop<nsHtml5ViewSourcePolicy>(state, c, pos, buffer->getBuffer(),
 false, returnState,
 buffer->getEnd());
 mViewSource->DropBuffer((pos == buffer->getEnd()) ? pos : pos + 1);
 } else if (tokenHandler->WantsLineAndColumn()) {
 pos = stateLoop<nsHtml5LineColPolicy>(state, c, pos, buffer->getBuffer(),
 false, returnState, buffer->getEnd());
 } else {
 pos = stateLoop<nsHtml5FastestPolicy>(state, c, pos, buffer->getBuffer(),
 false, returnState, buffer->getEnd());
 }
 if (pos == end) {
 buffer->setStart(pos);
 } else {
 buffer->setStart(pos + 1);
 }
 return lastCR;
}

template <class P>
int32_t nsHtml5Tokenizer::stateLoop(int32_t state, char16_t c, int32_t pos,
 char16_t* buf, bool reconsume,
 int32_t returnState, int32_t endPos) {
 bool reportedConsecutiveHyphens = false;
stateloop:
 for (;;) {
 switch (state) {
 case DATA: {
 for (;;) {
 if (reconsume) {
 reconsume = false;
 } else {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 }
 switch (c) {
 case '&': {
 flushChars(buf, pos);
 MOZ_ASSERT(!charRefBufLen,
 "charRefBufLen not reset after previous use!");
 appendCharRefBuf(c);
 setAdditionalAndRememberAmpersandLocation('\0');
 returnState = state;
 state =
 P::transition(mViewSource.get(),
 nsHtml5Tokenizer::CONSUME_CHARACTER_REFERENCE,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '<': {
 flushChars(buf, pos);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::TAG_OPEN, reconsume, pos);
 NS_HTML5_BREAK(dataloop);
 }
 case '\0': {
 maybeEmitReplacementCharacter(buf, pos);
 continue;
 }
 case '\r': {
 emitCarriageReturn(buf, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 P::silentLineFeed(this);
 [[fallthrough]];
 }
 default: {
 continue;
 }
 }
 }
 dataloop_end:;
 [[fallthrough]];
 }
 case TAG_OPEN: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 if (c >= 'A' && c <= 'Z') {
 endTag = false;
 clearStrBufBeforeUse();
 appendStrBuf((char16_t)(c + 0x20));
 containsHyphen = false;
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::TAG_NAME,
 reconsume, pos);
 NS_HTML5_BREAK(tagopenloop);
 } else if (c >= 'a' && c <= 'z') {
 endTag = false;
 clearStrBufBeforeUse();
 appendStrBuf(c);
 containsHyphen = false;
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::TAG_NAME,
 reconsume, pos);
 NS_HTML5_BREAK(tagopenloop);
 }
 switch (c) {
 case '!': {
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::MARKUP_DECLARATION_OPEN,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '/': {
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::CLOSE_TAG_OPEN, reconsume,
 pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\?': {
 if (viewingXmlSource) {
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::PROCESSING_INSTRUCTION,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 if (P::reportErrors) {
 errProcessingInstruction();
 }
 clearStrBufBeforeUse();
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BOGUS_COMMENT, reconsume,
 pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '>': {
 if (P::reportErrors) {
 errLtGt();
 }
 tokenHandler->characters(nsHtml5Tokenizer::LT_GT, 0, 2);
 cstart = pos + 1;
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::DATA,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 default: {
 if (P::reportErrors) {
 errBadCharAfterLt(c);
 }
 tokenHandler->characters(nsHtml5Tokenizer::LT_GT, 0, 1);
 cstart = pos;
 reconsume = true;
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::DATA,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 tagopenloop_end:;
 [[fallthrough]];
 }
 case TAG_NAME: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '\r': {
 P::silentCarriageReturn(this);
 strBufToElementNameString();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME,
 reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 P::silentLineFeed(this);
 [[fallthrough]];
 }
 case ' ':
 case '\t':
 case '\f': {
 strBufToElementNameString();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME,
 reconsume, pos);
 NS_HTML5_BREAK(tagnameloop);
 }
 case '/': {
 strBufToElementNameString();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::SELF_CLOSING_START_TAG,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '>': {
 strBufToElementNameString();
 state = P::transition(mViewSource.get(),
 emitCurrentTagToken(false, pos), reconsume,
 pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 default: {
 if (c >= 'A' && c <= 'Z') {
 c += 0x20;
 } else if (c == '-') {
 containsHyphen = true;
 }
 appendStrBuf(c);
 continue;
 }
 }
 }
 tagnameloop_end:;
 [[fallthrough]];
 }
 case BEFORE_ATTRIBUTE_NAME: {
 for (;;) {
 if (reconsume) {
 reconsume = false;
 } else {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 }
 switch (c) {
 case '\r': {
 P::silentCarriageReturn(this);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 P::silentLineFeed(this);
 [[fallthrough]];
 }
 case ' ':
 case '\t':
 case '\f': {
 continue;
 }
 case '/': {
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::SELF_CLOSING_START_TAG,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '>': {
 state = P::transition(mViewSource.get(),
 emitCurrentTagToken(false, pos), reconsume,
 pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 case '\"':
 case '\'':
 case '<':
 case '=': {
 if (P::reportErrors) {
 errBadCharBeforeAttributeNameOrNull(c);
 }
 [[fallthrough]];
 }
 default: {
 if (c >= 'A' && c <= 'Z') {
 c += 0x20;
 }
 attributeLine = line;
 clearStrBufBeforeUse();
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::ATTRIBUTE_NAME, reconsume,
 pos);
 NS_HTML5_BREAK(beforeattributenameloop);
 }
 }
 }
 beforeattributenameloop_end:;
 [[fallthrough]];
 }
 case ATTRIBUTE_NAME: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '\r': {
 P::silentCarriageReturn(this);
 attributeNameComplete();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::AFTER_ATTRIBUTE_NAME,
 reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 P::silentLineFeed(this);
 [[fallthrough]];
 }
 case ' ':
 case '\t':
 case '\f': {
 attributeNameComplete();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::AFTER_ATTRIBUTE_NAME,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '/': {
 attributeNameComplete();
 addAttributeWithoutValue();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::SELF_CLOSING_START_TAG,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '=': {
 attributeNameComplete();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BEFORE_ATTRIBUTE_VALUE,
 reconsume, pos);
 NS_HTML5_BREAK(attributenameloop);
 }
 case '>': {
 attributeNameComplete();
 addAttributeWithoutValue();
 state = P::transition(mViewSource.get(),
 emitCurrentTagToken(false, pos), reconsume,
 pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 case '\"':
 case '\'':
 case '<': {
 if (P::reportErrors) {
 errQuoteOrLtInAttributeNameOrNull(c);
 }
 [[fallthrough]];
 }
 default: {
 if (c >= 'A' && c <= 'Z') {
 c += 0x20;
 }
 appendStrBuf(c);
 continue;
 }
 }
 }
 attributenameloop_end:;
 [[fallthrough]];
 }
 case BEFORE_ATTRIBUTE_VALUE: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '\r': {
 P::silentCarriageReturn(this);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 P::silentLineFeed(this);
 [[fallthrough]];
 }
 case ' ':
 case '\t':
 case '\f': {
 continue;
 }
 case '\"': {
 attributeLine = line;
 clearStrBufBeforeUse();
 state =
 P::transition(mViewSource.get(),
 nsHtml5Tokenizer::ATTRIBUTE_VALUE_DOUBLE_QUOTED,
 reconsume, pos);
 NS_HTML5_BREAK(beforeattributevalueloop);
 }
 case '&': {
 attributeLine = line;
 clearStrBufBeforeUse();
 reconsume = true;
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::ATTRIBUTE_VALUE_UNQUOTED,
 reconsume, pos);

 NS_HTML5_CONTINUE(stateloop);
 }
 case '\'': {
 attributeLine = line;
 clearStrBufBeforeUse();
 state =
 P::transition(mViewSource.get(),
 nsHtml5Tokenizer::ATTRIBUTE_VALUE_SINGLE_QUOTED,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '>': {
 if (P::reportErrors) {
 errAttributeValueMissing();
 }
 addAttributeWithoutValue();
 state = P::transition(mViewSource.get(),
 emitCurrentTagToken(false, pos), reconsume,
 pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 case '<':
 case '=':
 case '`': {
 if (P::reportErrors) {
 errLtOrEqualsOrGraveInUnquotedAttributeOrNull(c);
 }
 [[fallthrough]];
 }
 default: {
 attributeLine = line;
 clearStrBufBeforeUse();
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::ATTRIBUTE_VALUE_UNQUOTED,
 reconsume, pos);

 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 beforeattributevalueloop_end:;
 [[fallthrough]];
 }
 case ATTRIBUTE_VALUE_DOUBLE_QUOTED: {
 for (;;) {
 if (reconsume) {
 reconsume = false;
 } else {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 }
 switch (c) {
 case '\"': {
 addAttributeWithValue();
 state =
 P::transition(mViewSource.get(),
 nsHtml5Tokenizer::AFTER_ATTRIBUTE_VALUE_QUOTED,
 reconsume, pos);
 NS_HTML5_BREAK(attributevaluedoublequotedloop);
 }
 case '&': {
 MOZ_ASSERT(!charRefBufLen,
 "charRefBufLen not reset after previous use!");
 appendCharRefBuf(c);
 setAdditionalAndRememberAmpersandLocation('\"');
 returnState = state;
 state =
 P::transition(mViewSource.get(),
 nsHtml5Tokenizer::CONSUME_CHARACTER_REFERENCE,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\r': {
 appendStrBufCarriageReturn();
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 appendStrBufLineFeed();
 continue;
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 default: {
 appendStrBuf(c);
 continue;
 }
 }
 }
 attributevaluedoublequotedloop_end:;
 [[fallthrough]];
 }
 case AFTER_ATTRIBUTE_VALUE_QUOTED: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '\r': {
 P::silentCarriageReturn(this);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME,
 reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 P::silentLineFeed(this);
 [[fallthrough]];
 }
 case ' ':
 case '\t':
 case '\f': {
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '/': {
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::SELF_CLOSING_START_TAG,
 reconsume, pos);
 NS_HTML5_BREAK(afterattributevaluequotedloop);
 }
 case '>': {
 state = P::transition(mViewSource.get(),
 emitCurrentTagToken(false, pos), reconsume,
 pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 default: {
 if (P::reportErrors) {
 errNoSpaceBetweenAttributes();
 }
 reconsume = true;
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 afterattributevaluequotedloop_end:;
 [[fallthrough]];
 }
 case SELF_CLOSING_START_TAG: {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '>': {
 state =
 P::transition(mViewSource.get(), emitCurrentTagToken(true, pos),
 reconsume, pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 default: {
 if (P::reportErrors) {
 errSlashNotFollowedByGt();
 }
 reconsume = true;
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 case ATTRIBUTE_VALUE_UNQUOTED: {
 for (;;) {
 if (reconsume) {
 reconsume = false;
 } else {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 }
 switch (c) {
 case '\r': {
 P::silentCarriageReturn(this);
 addAttributeWithValue();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME,
 reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 P::silentLineFeed(this);
 [[fallthrough]];
 }
 case ' ':
 case '\t':
 case '\f': {
 addAttributeWithValue();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BEFORE_ATTRIBUTE_NAME,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '&': {
 MOZ_ASSERT(!charRefBufLen,
 "charRefBufLen not reset after previous use!");
 appendCharRefBuf(c);
 setAdditionalAndRememberAmpersandLocation('>');
 returnState = state;
 state =
 P::transition(mViewSource.get(),
 nsHtml5Tokenizer::CONSUME_CHARACTER_REFERENCE,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '>': {
 addAttributeWithValue();
 state = P::transition(mViewSource.get(),
 emitCurrentTagToken(false, pos), reconsume,
 pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 case '<':
 case '\"':
 case '\'':
 case '=':
 case '`': {
 if (P::reportErrors) {
 errUnquotedAttributeValOrNull(c);
 }
 [[fallthrough]];
 }
 default: {
 appendStrBuf(c);
 continue;
 }
 }
 }
 }
 case AFTER_ATTRIBUTE_NAME: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '\r': {
 P::silentCarriageReturn(this);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 P::silentLineFeed(this);
 [[fallthrough]];
 }
 case ' ':
 case '\t':
 case '\f': {
 continue;
 }
 case '/': {
 addAttributeWithoutValue();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::SELF_CLOSING_START_TAG,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '=': {
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BEFORE_ATTRIBUTE_VALUE,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '>': {
 addAttributeWithoutValue();
 state = P::transition(mViewSource.get(),
 emitCurrentTagToken(false, pos), reconsume,
 pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 case '\"':
 case '\'':
 case '<': {
 if (P::reportErrors) {
 errQuoteOrLtInAttributeNameOrNull(c);
 }
 [[fallthrough]];
 }
 default: {
 addAttributeWithoutValue();
 if (c >= 'A' && c <= 'Z') {
 c += 0x20;
 }
 clearStrBufBeforeUse();
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::ATTRIBUTE_NAME, reconsume,
 pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 }
 case MARKUP_DECLARATION_OPEN: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '-': {
 clearStrBufBeforeUse();
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::MARKUP_DECLARATION_HYPHEN,
 reconsume, pos);
 NS_HTML5_BREAK(markupdeclarationopenloop);
 }
 case 'd':
 case 'D': {
 clearStrBufBeforeUse();
 appendStrBuf(c);
 index = 0;
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::MARKUP_DECLARATION_OCTYPE,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '[': {
 if (tokenHandler->cdataSectionAllowed()) {
 clearStrBufBeforeUse();
 appendStrBuf(c);
 index = 0;
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::CDATA_START, reconsume,
 pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 [[fallthrough]];
 }
 default: {
 if (P::reportErrors) {
 errBogusComment();
 }
 clearStrBufBeforeUse();
 reconsume = true;
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BOGUS_COMMENT, reconsume,
 pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 markupdeclarationopenloop_end:;
 [[fallthrough]];
 }
 case MARKUP_DECLARATION_HYPHEN: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '-': {
 clearStrBufAfterOneHyphen();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_START, reconsume,
 pos);
 NS_HTML5_BREAK(markupdeclarationhyphenloop);
 }
 default: {
 if (P::reportErrors) {
 errBogusComment();
 }
 reconsume = true;
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BOGUS_COMMENT, reconsume,
 pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 markupdeclarationhyphenloop_end:;
 [[fallthrough]];
 }
 case COMMENT_START: {
 reportedConsecutiveHyphens = false;
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '-': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_START_DASH,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '>': {
 if (P::reportErrors) {
 errPrematureEndOfComment();
 }
 emitComment(0, pos);
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::DATA,
 reconsume, pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 case '<': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_LESSTHAN,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\r': {
 appendStrBufCarriageReturn();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 appendStrBufLineFeed();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_BREAK(commentstartloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 default: {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_BREAK(commentstartloop);
 }
 }
 }
 commentstartloop_end:;
 [[fallthrough]];
 }
 case COMMENT: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '-': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_END_DASH,
 reconsume, pos);
 NS_HTML5_BREAK(commentloop);
 }
 case '<': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_LESSTHAN,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\r': {
 appendStrBufCarriageReturn();
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 appendStrBufLineFeed();
 continue;
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 default: {
 appendStrBuf(c);
 continue;
 }
 }
 }
 commentloop_end:;
 [[fallthrough]];
 }
 case COMMENT_END_DASH: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '-': {
 appendStrBuf(c);
 state =
 P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_END, reconsume, pos);
 NS_HTML5_BREAK(commentenddashloop);
 }
 case '<': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_LESSTHAN,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\r': {
 appendStrBufCarriageReturn();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 appendStrBufLineFeed();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 default: {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 commentenddashloop_end:;
 [[fallthrough]];
 }
 case COMMENT_END: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '>': {
 emitComment(2, pos);
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::DATA,
 reconsume, pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 case '-': {
 adjustDoubleHyphenAndAppendToStrBufAndErr(
 c, reportedConsecutiveHyphens);
 reportedConsecutiveHyphens = true;
 continue;
 }
 case '<': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_LESSTHAN,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\r': {
 adjustDoubleHyphenAndAppendToStrBufCarriageReturn();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 adjustDoubleHyphenAndAppendToStrBufLineFeed();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '!': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_END_BANG,
 reconsume, pos);
 NS_HTML5_BREAK(commentendloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 default: {
 adjustDoubleHyphenAndAppendToStrBufAndErr(
 c, reportedConsecutiveHyphens);
 reportedConsecutiveHyphens = true;
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 commentendloop_end:;
 [[fallthrough]];
 }
 case COMMENT_END_BANG: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '>': {
 emitComment(3, pos);
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::DATA,
 reconsume, pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 case '-': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_END_DASH,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\r': {
 appendStrBufCarriageReturn();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 appendStrBufLineFeed();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 default: {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 }
 case COMMENT_LESSTHAN: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '!': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_LESSTHAN_BANG,
 reconsume, pos);
 NS_HTML5_BREAK(commentlessthanloop);
 }
 case '<': {
 appendStrBuf(c);
 continue;
 }
 case '-': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_END_DASH,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\r': {
 appendStrBufCarriageReturn();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 appendStrBufLineFeed();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 default: {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 commentlessthanloop_end:;
 [[fallthrough]];
 }
 case COMMENT_LESSTHAN_BANG: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '-': {
 appendStrBuf(c);
 state = P::transition(
 mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_LESSTHAN_BANG_DASH, reconsume, pos);
 NS_HTML5_BREAK(commentlessthanbangloop);
 }
 case '<': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_LESSTHAN,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\r': {
 appendStrBufCarriageReturn();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 appendStrBufLineFeed();
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 default: {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT, reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 commentlessthanbangloop_end:;
 [[fallthrough]];
 }
 case COMMENT_LESSTHAN_BANG_DASH: {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '-': {
 appendStrBuf(c);
 state =
 P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_LESSTHAN_BANG_DASH_DASH,
 reconsume, pos);
 break;
 }
 case '<': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_LESSTHAN, reconsume,
 pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\r': {
 appendStrBufCarriageReturn();
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::COMMENT,
 reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 appendStrBufLineFeed();
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::COMMENT,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 default: {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::COMMENT,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 [[fallthrough]];
 }
 case COMMENT_LESSTHAN_BANG_DASH_DASH: {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '>': {
 appendStrBuf(c);
 emitComment(3, pos);
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::DATA,
 reconsume, pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 case '-': {
 if (P::reportErrors) {
 errNestedComment();
 }
 adjustDoubleHyphenAndAppendToStrBufAndErr(
 c, reportedConsecutiveHyphens);
 reportedConsecutiveHyphens = true;
 state =
 P::transition(mViewSource.get(), nsHtml5Tokenizer::COMMENT_END,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\r': {
 c = '\n';
 P::silentCarriageReturn(this);
 if (P::reportErrors) {
 errNestedComment();
 }
 adjustDoubleHyphenAndAppendToStrBufAndErr(
 c, reportedConsecutiveHyphens);
 reportedConsecutiveHyphens = true;
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::COMMENT,
 reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 P::silentLineFeed(this);
 if (P::reportErrors) {
 errNestedComment();
 }
 adjustDoubleHyphenAndAppendToStrBufAndErr(
 c, reportedConsecutiveHyphens);
 reportedConsecutiveHyphens = true;
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::COMMENT,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '!': {
 if (P::reportErrors) {
 errNestedComment();
 }
 adjustDoubleHyphenAndAppendToStrBufAndErr(
 c, reportedConsecutiveHyphens);
 reportedConsecutiveHyphens = true;
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_END_BANG, reconsume,
 pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 default: {
 if (P::reportErrors) {
 errNestedComment();
 }
 adjustDoubleHyphenAndAppendToStrBufAndErr(
 c, reportedConsecutiveHyphens);
 reportedConsecutiveHyphens = true;
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::COMMENT,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 case COMMENT_START_DASH: {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case '-': {
 appendStrBuf(c);
 state =
 P::transition(mViewSource.get(), nsHtml5Tokenizer::COMMENT_END,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '>': {
 if (P::reportErrors) {
 errPrematureEndOfComment();
 }
 emitComment(1, pos);
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::DATA,
 reconsume, pos);
 if (shouldSuspend) {
 NS_HTML5_BREAK(stateloop);
 }
 NS_HTML5_CONTINUE(stateloop);
 }
 case '<': {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::COMMENT_LESSTHAN, reconsume,
 pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\r': {
 appendStrBufCarriageReturn();
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::COMMENT,
 reconsume, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 appendStrBufLineFeed();
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::COMMENT,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 case '\0': {
 c = 0xfffd;
 [[fallthrough]];
 }
 default: {
 appendStrBuf(c);
 state = P::transition(mViewSource.get(), nsHtml5Tokenizer::COMMENT,
 reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 }
 case CDATA_START: {
 for (;;) {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 if (index < 6) {
 if (c == nsHtml5Tokenizer::CDATA_LSQB[index]) {
 appendStrBuf(c);
 } else {
 if (P::reportErrors) {
 errBogusComment();
 }
 reconsume = true;
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::BOGUS_COMMENT, reconsume,
 pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 index++;
 continue;
 } else {
 clearStrBufAfterUse();
 cstart = pos;
 reconsume = true;
 state =
 P::transition(mViewSource.get(),
 nsHtml5Tokenizer::CDATA_SECTION, reconsume, pos);
 break;
 }
 }
 [[fallthrough]];
 }
 case CDATA_SECTION: {
 for (;;) {
 if (reconsume) {
 reconsume = false;
 } else {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 }
 switch (c) {
 case ']': {
 flushChars(buf, pos);
 state =
 P::transition(mViewSource.get(), nsHtml5Tokenizer::CDATA_RSQB,
 reconsume, pos);
 NS_HTML5_BREAK(cdatasectionloop);
 }
 case '\0': {
 maybeEmitReplacementCharacter(buf, pos);
 continue;
 }
 case '\r': {
 emitCarriageReturn(buf, pos);
 NS_HTML5_BREAK(stateloop);
 }
 case '\n': {
 P::silentLineFeed(this);
 [[fallthrough]];
 }
 default: {
 continue;
 }
 }
 }
 cdatasectionloop_end:;
 [[fallthrough]];
 }
 case CDATA_RSQB: {
 if (++pos == endPos) {
 NS_HTML5_BREAK(stateloop);
 }
 c = P::checkChar(this, buf, pos);
 switch (c) {
 case ']': {
 state = P::transition(mViewSource.get(),
 nsHtml5Tokenizer::CDATA_RSQB_RSQB, reconsume,
 pos);
 break;
 }
 default: {
 tokenHandler->characters(nsHtml5Tokenizer::RSQB_RSQB, 0, 1);
 cstart = pos;
 reconsume = true;
 state =
 P::transition(mViewSource.get(),
 nsHtml5Tokenizer::CDATA_SECTION, reconsume, pos);
 NS_HTML5_CONTINUE(stateloop);
 }
 }
 [[fallthrough]];
 }
 case CDATA_RSQB_RSQB: {
 for (;;) {
--> --------------------

--> maximum size reached

--> --------------------

quality93%

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Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

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