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nsHtml5Tokenizer.cpp
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/*
* Copyright (c) 2005-2007 Henri Sivonen
* Copyright (c) 2007-2015 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 "nsIAtom.h"
#include "nsHtml5AtomTable.h"
#include "nsString.h"
#include "nsIContent.h"
#include "nsTraceRefcnt.h"
#include "jArray.h"
#include "nsHtml5DocumentMode.h"
#include "nsHtml5ArrayCopy.h"
#include "nsHtml5NamedCharacters.h"
#include "nsHtml5NamedCharactersAccel.h"
#include "nsHtml5Atoms.h"
#include "nsAHtml5TreeBuilderState.h"
#include "nsHtml5Macros.h"
#include "nsHtml5Highlighter.h"
#include "nsHtml5TokenizerLoopPolicies.h"
#include "nsHtml5TreeBuilder.h"
#include "nsHtml5MetaScanner.h"
#include "nsHtml5AttributeName.h"
#include "nsHtml5ElementName.h"
#include "nsHtml5HtmlAttributes.h"
#include "nsHtml5StackNode.h"
#include "nsHtml5UTF16Buffer.h"
#include "nsHtml5StateSnapshot.h"
#include "nsHtml5Portability.h"
#include "nsHtml5Tokenizer.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, MOZ_ARRAY_LENGTH(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, MOZ_ARRAY_LENGTH(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, MOZ_ARRAY_LENGTH(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, MOZ_ARRAY_LENGTH(PLAINTEXT_ARR_DATA) };
static char16_t const XMP_ARR_DATA[] = { 'x', 'm', 'p' };
staticJArray<char16_t,int32_t> nsHtml5Tokenizer::XMP_ARR = { XMP_ARR_DATA, MOZ_ARRAY_LENGTH(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, MOZ_ARRAY_LENGTH(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, MOZ_ARRAY_LENGTH(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, MOZ_ARRAY_LENGTH(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, MOZ_ARRAY_LENGTH(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, MOZ_ARRAY_LENGTH(NOFRAMES_ARR_DATA) };
nsHtml5Tokenizer::nsHtml5Tokenizer(nsHtml5TreeBuilder* tokenHandler, bool viewingXmlSource)
: tokenHandler(tokenHandler),
encodingDeclarationHandler(nullptr),
charRefBuf(jArray<char16_t,int32_t>::newJArray(32)),
bmpChar(jArray<char16_t,int32_t>::newJArray(1)),
astralChar(jArray<char16_t,int32_t>::newJArray(2)),
tagName(nullptr),
attributeName(nullptr),
doctypeName(nullptr),
publicIdentifier(nullptr),
systemIdentifier(nullptr),
attributes(tokenHandler->HasBuilder() ? new nsHtml5HtmlAttributes(0) : nullptr),
newAttributesEachTime(!tokenHandler->HasBuilder()),
viewingXmlSource(viewingXmlSource)
{
MOZ_COUNT_CTOR(nsHtml5Tokenizer);
}
void
nsHtml5Tokenizer::setInterner(nsHtml5AtomTable* interner)
{
this->interner = interner;
}
void
nsHtml5Tokenizer::initLocation(nsString* newPublicId, nsString* newSystemId)
{
this->systemId = newSystemId;
this->publicId = newPublicId;
}
bool
nsHtml5Tokenizer::isViewingXmlSource()
{
return viewingXmlSource;
}
void
nsHtml5Tokenizer::setStateAndEndTagExpectation(int32_t specialTokenizerState, nsIAtom* endTagExpectation)
{
this->stateSave = specialTokenizerState;
if (specialTokenizerState == NS_HTML5TOKENIZER_DATA) {
return;
}
autoJArray<char16_t,int32_t> asArray = nsHtml5Portability::newCharArrayFromLocal(endTagExpectation);
this->endTagExpectation = nsHtml5ElementName::elementNameByBuffer(asArray, 0, asArray.length, interner);
endTagExpectationToArray();
}
void
nsHtml5Tokenizer::setStateAndEndTagExpectation(int32_t specialTokenizerState, nsHtml5ElementName* endTagExpectation)
{
this->stateSave = specialTokenizerState;
this->endTagExpectation = endTagExpectation;
endTagExpectationToArray();
}
void
nsHtml5Tokenizer::endTagExpectationToArray()
{
switch(endTagExpectation->getGroup()) {
case NS_HTML5TREE_BUILDER_TITLE: {
endTagExpectationAsArray = TITLE_ARR;
return;
}
case NS_HTML5TREE_BUILDER_SCRIPT: {
endTagExpectationAsArray = SCRIPT_ARR;
return;
}
case NS_HTML5TREE_BUILDER_STYLE: {
endTagExpectationAsArray = STYLE_ARR;
return;
}
case NS_HTML5TREE_BUILDER_PLAINTEXT: {
endTagExpectationAsArray = PLAINTEXT_ARR;
return;
}
case NS_HTML5TREE_BUILDER_XMP: {
endTagExpectationAsArray = XMP_ARR;
return;
}
case NS_HTML5TREE_BUILDER_TEXTAREA: {
endTagExpectationAsArray = TEXTAREA_ARR;
return;
}
case NS_HTML5TREE_BUILDER_IFRAME: {
endTagExpectationAsArray = IFRAME_ARR;
return;
}
case NS_HTML5TREE_BUILDER_NOEMBED: {
endTagExpectationAsArray = NOEMBED_ARR;
return;
}
case NS_HTML5TREE_BUILDER_NOSCRIPT: {
endTagExpectationAsArray = NOSCRIPT_ARR;
return;
}
case NS_HTML5TREE_BUILDER_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 & NS_HTML5TOKENIZER_DATA_AND_RCDATA_MASK)) {
appendCharRefBufToStrBuf();
} else {
if (charRefBufLen > 0) {
tokenHandler->characters(charRefBuf, 0, charRefBufLen);
charRefBufLen = 0;
}
}
}
nsString*
nsHtml5Tokenizer::strBufToString()
{
nsString* str = nsHtml5Portability::newStringFromBuffer(strBuf, 0, strBufLen, tokenHandler);
clearStrBufAfterUse();
return str;
}
void
nsHtml5Tokenizer::strBufToDoctypeName()
{
doctypeName = nsHtml5Portability::newLocalNameFromBuffer(strBuf, 0, 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 = 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)
{
tokenHandler->comment(strBuf, 0, strBufLen - provisionalHyphens);
clearStrBufAfterUse();
cstart = pos + 1;
}
void
nsHtml5Tokenizer::flushChars(char16_t* buf, int32_t pos)
{
if (pos > cstart) {
tokenHandler->characters(buf, cstart, pos - cstart);
}
cstart = INT32_MAX;
}
void
nsHtml5Tokenizer::strBufToElementNameString()
{
tagName = nsHtml5ElementName::elementNameByBuffer(strBuf, 0, strBufLen, interner);
clearStrBufAfterUse();
}
int32_t
nsHtml5Tokenizer::emitCurrentTagToken(bool selfClosing, int32_t pos)
{
cstart = pos + 1;
maybeErrSlashInEndTag(selfClosing);
stateSave = NS_HTML5TOKENIZER_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->release();
tagName = nullptr;
if (newAttributesEachTime) {
attributes = nullptr;
} else {
attributes->clear(0);
}
return stateSave;
}
void
nsHtml5Tokenizer::attributeNameComplete()
{
attributeName = nsHtml5AttributeName::nameByBuffer(strBuf, 0, strBufLen, interner);
clearStrBufAfterUse();
if (!attributes) {
attributes = new nsHtml5HtmlAttributes(0);
}
if (attributes->contains(attributeName)) {
errDuplicateAttribute();
attributeName->release();
attributeName = nullptr;
}
}
void
nsHtml5Tokenizer::addAttributeWithoutValue()
{
if (attributeName) {
attributes->addAttribute(attributeName, nsHtml5Portability::newEmptyString(), attributeLine);
attributeName = nullptr;
} else {
clearStrBufAfterUse();
}
}
void
nsHtml5Tokenizer::addAttributeWithValue()
{
if (attributeName) {
nsString* val = strBufToString();
if (mViewSource) {
mViewSource->MaybeLinkifyAttributeValue(attributeName, val);
}
attributes->addAttribute(attributeName, val, attributeLine);
attributeName = nullptr;
} else {
clearStrBufAfterUse();
}
}
void
nsHtml5Tokenizer::start()
{
initializeWithoutStarting();
tokenHandler->startTokenization(this);
}
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 NS_HTML5TOKENIZER_DATA:
case NS_HTML5TOKENIZER_RCDATA:
case NS_HTML5TOKENIZER_SCRIPT_DATA:
case NS_HTML5TOKENIZER_PLAINTEXT:
case NS_HTML5TOKENIZER_RAWTEXT:
case NS_HTML5TOKENIZER_CDATA_SECTION:
case NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPED:
case NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPE_START:
case NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPE_START_DASH:
case NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPED_DASH:
case NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPED_DASH_DASH:
case NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPE_START:
case NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPED:
case NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN:
case NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPED_DASH:
case NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH:
case NS_HTML5TOKENIZER_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 {
pos = stateLoop<nsHtml5SilentPolicy>(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)
{
stateloop: for (; ; ) {
switch(state) {
case NS_HTML5TOKENIZER_DATA: {
for (; ; ) {
if (reconsume) {
reconsume = false;
} else {
if (++pos == endPos) {
NS_HTML5_BREAK(stateloop);
}
c = checkChar(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, NS_HTML5TOKENIZER_CONSUME_CHARACTER_REFERENCE, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '<': {
flushChars(buf, pos);
state = P::transition(mViewSource, NS_HTML5TOKENIZER_TAG_OPEN, reconsume, pos);
NS_HTML5_BREAK(dataloop);
}
case '\0': {
emitReplacementCharacter(buf, pos);
continue;
}
case '\r': {
emitCarriageReturn(buf, pos);
NS_HTML5_BREAK(stateloop);
}
case '\n': {
silentLineFeed();
}
default: {
continue;
}
}
}
dataloop_end: ;
}
case NS_HTML5TOKENIZER_TAG_OPEN: {
for (; ; ) {
if (++pos == endPos) {
NS_HTML5_BREAK(stateloop);
}
c = checkChar(buf, pos);
if (c >= 'A' && c <= 'Z') {
endTag = false;
clearStrBufBeforeUse();
appendStrBuf((char16_t) (c + 0x20));
state = P::transition(mViewSource, NS_HTML5TOKENIZER_TAG_NAME, reconsume, pos);
NS_HTML5_BREAK(tagopenloop);
} else if (c >= 'a' && c <= 'z') {
endTag = false;
clearStrBufBeforeUse();
appendStrBuf(c);
state = P::transition(mViewSource, NS_HTML5TOKENIZER_TAG_NAME, reconsume, pos);
NS_HTML5_BREAK(tagopenloop);
}
switch(c) {
case '!': {
state = P::transition(mViewSource, NS_HTML5TOKENIZER_MARKUP_DECLARATION_OPEN, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '/': {
state = P::transition(mViewSource, NS_HTML5TOKENIZER_CLOSE_TAG_OPEN, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '\?': {
if (viewingXmlSource) {
state = P::transition(mViewSource, NS_HTML5TOKENIZER_PROCESSING_INSTRUCTION, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
if (P::reportErrors) {
errProcessingInstruction();
}
clearStrBufBeforeUse();
appendStrBuf(c);
state = P::transition(mViewSource, NS_HTML5TOKENIZER_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, NS_HTML5TOKENIZER_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, NS_HTML5TOKENIZER_DATA, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
}
}
tagopenloop_end: ;
}
case NS_HTML5TOKENIZER_TAG_NAME: {
for (; ; ) {
if (++pos == endPos) {
NS_HTML5_BREAK(stateloop);
}
c = checkChar(buf, pos);
switch(c) {
case '\r': {
silentCarriageReturn();
strBufToElementNameString();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_NAME, reconsume, pos);
NS_HTML5_BREAK(stateloop);
}
case '\n': {
silentLineFeed();
}
case ' ':
case '\t':
case '\f': {
strBufToElementNameString();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_NAME, reconsume, pos);
NS_HTML5_BREAK(tagnameloop);
}
case '/': {
strBufToElementNameString();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_SELF_CLOSING_START_TAG, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
strBufToElementNameString();
state = P::transition(mViewSource, emitCurrentTagToken(false, pos), reconsume, pos);
if (shouldSuspend) {
NS_HTML5_BREAK(stateloop);
}
NS_HTML5_CONTINUE(stateloop);
}
case '\0': {
c = 0xfffd;
}
default: {
if (c >= 'A' && c <= 'Z') {
c += 0x20;
}
appendStrBuf(c);
continue;
}
}
}
tagnameloop_end: ;
}
case NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_NAME: {
for (; ; ) {
if (reconsume) {
reconsume = false;
} else {
if (++pos == endPos) {
NS_HTML5_BREAK(stateloop);
}
c = checkChar(buf, pos);
}
switch(c) {
case '\r': {
silentCarriageReturn();
NS_HTML5_BREAK(stateloop);
}
case '\n': {
silentLineFeed();
}
case ' ':
case '\t':
case '\f': {
continue;
}
case '/': {
state = P::transition(mViewSource, NS_HTML5TOKENIZER_SELF_CLOSING_START_TAG, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
state = P::transition(mViewSource, emitCurrentTagToken(false, pos), reconsume, pos);
if (shouldSuspend) {
NS_HTML5_BREAK(stateloop);
}
NS_HTML5_CONTINUE(stateloop);
}
case '\0': {
c = 0xfffd;
}
case '\"':
case '\'':
case '<':
case '=': {
if (P::reportErrors) {
errBadCharBeforeAttributeNameOrNull(c);
}
}
default: {
if (c >= 'A' && c <= 'Z') {
c += 0x20;
}
attributeLine = line;
clearStrBufBeforeUse();
appendStrBuf(c);
state = P::transition(mViewSource, NS_HTML5TOKENIZER_ATTRIBUTE_NAME, reconsume, pos);
NS_HTML5_BREAK(beforeattributenameloop);
}
}
}
beforeattributenameloop_end: ;
}
case NS_HTML5TOKENIZER_ATTRIBUTE_NAME: {
for (; ; ) {
if (++pos == endPos) {
NS_HTML5_BREAK(stateloop);
}
c = checkChar(buf, pos);
switch(c) {
case '\r': {
silentCarriageReturn();
attributeNameComplete();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_AFTER_ATTRIBUTE_NAME, reconsume, pos);
NS_HTML5_BREAK(stateloop);
}
case '\n': {
silentLineFeed();
}
case ' ':
case '\t':
case '\f': {
attributeNameComplete();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_AFTER_ATTRIBUTE_NAME, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '/': {
attributeNameComplete();
addAttributeWithoutValue();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_SELF_CLOSING_START_TAG, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '=': {
attributeNameComplete();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_VALUE, reconsume, pos);
NS_HTML5_BREAK(attributenameloop);
}
case '>': {
attributeNameComplete();
addAttributeWithoutValue();
state = P::transition(mViewSource, emitCurrentTagToken(false, pos), reconsume, pos);
if (shouldSuspend) {
NS_HTML5_BREAK(stateloop);
}
NS_HTML5_CONTINUE(stateloop);
}
case '\0': {
c = 0xfffd;
}
case '\"':
case '\'':
case '<': {
if (P::reportErrors) {
errQuoteOrLtInAttributeNameOrNull(c);
}
}
default: {
if (c >= 'A' && c <= 'Z') {
c += 0x20;
}
appendStrBuf(c);
continue;
}
}
}
attributenameloop_end: ;
}
case NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_VALUE: {
for (; ; ) {
if (++pos == endPos) {
NS_HTML5_BREAK(stateloop);
}
c = checkChar(buf, pos);
switch(c) {
case '\r': {
silentCarriageReturn();
NS_HTML5_BREAK(stateloop);
}
case '\n': {
silentLineFeed();
}
case ' ':
case '\t':
case '\f': {
continue;
}
case '\"': {
attributeLine = line;
clearStrBufBeforeUse();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_ATTRIBUTE_VALUE_DOUBLE_QUOTED, reconsume, pos);
NS_HTML5_BREAK(beforeattributevalueloop);
}
case '&': {
attributeLine = line;
clearStrBufBeforeUse();
reconsume = true;
state = P::transition(mViewSource, NS_HTML5TOKENIZER_ATTRIBUTE_VALUE_UNQUOTED, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '\'': {
attributeLine = line;
clearStrBufBeforeUse();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_ATTRIBUTE_VALUE_SINGLE_QUOTED, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
if (P::reportErrors) {
errAttributeValueMissing();
}
addAttributeWithoutValue();
state = P::transition(mViewSource, emitCurrentTagToken(false, pos), reconsume, pos);
if (shouldSuspend) {
NS_HTML5_BREAK(stateloop);
}
NS_HTML5_CONTINUE(stateloop);
}
case '\0': {
c = 0xfffd;
}
case '<':
case '=':
case '`': {
if (P::reportErrors) {
errLtOrEqualsOrGraveInUnquotedAttributeOrNull(c);
}
}
default: {
attributeLine = line;
clearStrBufBeforeUse();
appendStrBuf(c);
state = P::transition(mViewSource, NS_HTML5TOKENIZER_ATTRIBUTE_VALUE_UNQUOTED, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
}
}
beforeattributevalueloop_end: ;
}
case NS_HTML5TOKENIZER_ATTRIBUTE_VALUE_DOUBLE_QUOTED: {
for (; ; ) {
if (reconsume) {
reconsume = false;
} else {
if (++pos == endPos) {
NS_HTML5_BREAK(stateloop);
}
c = checkChar(buf, pos);
}
switch(c) {
case '\"': {
addAttributeWithValue();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_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, NS_HTML5TOKENIZER_CONSUME_CHARACTER_REFERENCE, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '\r': {
appendStrBufCarriageReturn();
NS_HTML5_BREAK(stateloop);
}
case '\n': {
appendStrBufLineFeed();
continue;
}
case '\0': {
c = 0xfffd;
}
default: {
appendStrBuf(c);
continue;
}
}
}
attributevaluedoublequotedloop_end: ;
}
case NS_HTML5TOKENIZER_AFTER_ATTRIBUTE_VALUE_QUOTED: {
for (; ; ) {
if (++pos == endPos) {
NS_HTML5_BREAK(stateloop);
}
c = checkChar(buf, pos);
switch(c) {
case '\r': {
silentCarriageReturn();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_NAME, reconsume, pos);
NS_HTML5_BREAK(stateloop);
}
case '\n': {
silentLineFeed();
}
case ' ':
case '\t':
case '\f': {
state = P::transition(mViewSource, NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_NAME, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '/': {
state = P::transition(mViewSource, NS_HTML5TOKENIZER_SELF_CLOSING_START_TAG, reconsume, pos);
NS_HTML5_BREAK(afterattributevaluequotedloop);
}
case '>': {
state = P::transition(mViewSource, 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, NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_NAME, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
}
}
afterattributevaluequotedloop_end: ;
}
case NS_HTML5TOKENIZER_SELF_CLOSING_START_TAG: {
if (++pos == endPos) {
NS_HTML5_BREAK(stateloop);
}
c = checkChar(buf, pos);
switch(c) {
case '>': {
state = P::transition(mViewSource, 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, NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_NAME, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
}
}
case NS_HTML5TOKENIZER_ATTRIBUTE_VALUE_UNQUOTED: {
for (; ; ) {
if (reconsume) {
reconsume = false;
} else {
if (++pos == endPos) {
NS_HTML5_BREAK(stateloop);
}
c = checkChar(buf, pos);
}
switch(c) {
case '\r': {
silentCarriageReturn();
addAttributeWithValue();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_NAME, reconsume, pos);
NS_HTML5_BREAK(stateloop);
}
case '\n': {
silentLineFeed();
}
case ' ':
case '\t':
case '\f': {
addAttributeWithValue();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_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, NS_HTML5TOKENIZER_CONSUME_CHARACTER_REFERENCE, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
addAttributeWithValue();
state = P::transition(mViewSource, emitCurrentTagToken(false, pos), reconsume, pos);
if (shouldSuspend) {
NS_HTML5_BREAK(stateloop);
}
NS_HTML5_CONTINUE(stateloop);
}
case '\0': {
c = 0xfffd;
}
case '<':
case '\"':
case '\'':
case '=':
case '`': {
if (P::reportErrors) {
errUnquotedAttributeValOrNull(c);
}
}
default: {
appendStrBuf(c);
continue;
}
}
}
}
case NS_HTML5TOKENIZER_AFTER_ATTRIBUTE_NAME: {
for (; ; ) {
if (++pos == endPos) {
NS_HTML5_BREAK(stateloop);
}
c = checkChar(buf, pos);
switch(c) {
case '\r': {
silentCarriageReturn();
NS_HTML5_BREAK(stateloop);
}
case '\n': {
silentLineFeed();
}
case ' ':
case '\t':
case '\f': {
continue;
}
case '/': {
addAttributeWithoutValue();
state = P::transition(mViewSource, NS_HTML5TOKENIZER_SELF_CLOSING_START_TAG, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '=': {
state = P::transition(mViewSource, NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_VALUE, reconsume, pos);
NS_HTML5_CONTINUE(stateloop);
}
case '>': {
addAttributeWithoutValue();
state = P::transition(mViewSource, emitCurrentTagToken(false, pos), reconsume, pos);
if (shouldSuspend) {
NS_HTML5_BREAK(stateloop);
}
NS_HTML5_CONTINUE(stateloop);
}
case '\0': {
c = 0xfffd;
}
case '\"':
case '\'':
case '<': {
if (P::reportErrors) {
errQuoteOrLtInAttributeNameOrNull(c);
}
}
default: {