зеркало из https://github.com/mozilla/gecko-dev.git
586 строки
12 KiB
C
586 строки
12 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/Likely.h"
|
|
|
|
// INT32_MAX is (2^31)-1. Therefore, the highest power-of-two that fits
|
|
// is 2^30. Note that this is counting char16_t units. The underlying
|
|
// bytes will be twice that, but they fit even in 32-bit size_t even
|
|
// if a contiguous chunk of memory of that size is pretty unlikely to
|
|
// be available on a 32-bit system.
|
|
#define MAX_POWER_OF_TWO_IN_INT32 0x40000000
|
|
|
|
bool
|
|
nsHtml5Tokenizer::EnsureBufferSpace(int32_t aLength)
|
|
{
|
|
MOZ_RELEASE_ASSERT(aLength >= 0, "Negative length.");
|
|
if (aLength > MAX_POWER_OF_TWO_IN_INT32) {
|
|
// Can't happen when loading from network.
|
|
return false;
|
|
}
|
|
CheckedInt<int32_t> worstCase(strBufLen);
|
|
worstCase += aLength;
|
|
worstCase += charRefBufLen;
|
|
// Add 2 to account for emissions of LT_GT, LT_SOLIDUS and RSQB_RSQB.
|
|
// Adding to the general worst case instead of only the
|
|
// TreeBuilder-exposed worst case to avoid re-introducing a bug when
|
|
// unifying the tokenizer and tree builder buffers in the future.
|
|
worstCase += 2;
|
|
if (!worstCase.isValid()) {
|
|
return false;
|
|
}
|
|
if (worstCase.value() > MAX_POWER_OF_TWO_IN_INT32) {
|
|
return false;
|
|
}
|
|
// TODO: Unify nsHtml5Tokenizer::strBuf and nsHtml5TreeBuilder::charBuffer
|
|
// so that the call below becomes unnecessary.
|
|
if (!tokenHandler->EnsureBufferSpace(worstCase.value())) {
|
|
return false;
|
|
}
|
|
if (!strBuf) {
|
|
if (worstCase.value() < MAX_POWER_OF_TWO_IN_INT32) {
|
|
// Add one to round to the next power of two to avoid immediate
|
|
// reallocation once there are a few characters in the buffer.
|
|
worstCase += 1;
|
|
}
|
|
strBuf = jArray<char16_t,int32_t>::newFallibleJArray(mozilla::RoundUpPow2(worstCase.value()));
|
|
if (!strBuf) {
|
|
return false;
|
|
}
|
|
} else if (worstCase.value() > strBuf.length) {
|
|
jArray<char16_t,int32_t> newBuf = jArray<char16_t,int32_t>::newFallibleJArray(mozilla::RoundUpPow2(worstCase.value()));
|
|
if (!newBuf) {
|
|
return false;
|
|
}
|
|
memcpy(newBuf, strBuf, sizeof(char16_t) * size_t(strBufLen));
|
|
strBuf = newBuf;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::StartPlainText()
|
|
{
|
|
stateSave = nsHtml5Tokenizer::PLAINTEXT;
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::EnableViewSource(nsHtml5Highlighter* aHighlighter)
|
|
{
|
|
mViewSource = aHighlighter;
|
|
}
|
|
|
|
bool
|
|
nsHtml5Tokenizer::FlushViewSource()
|
|
{
|
|
return mViewSource->FlushOps();
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::StartViewSource(const nsAutoString& aTitle)
|
|
{
|
|
mViewSource->Start(aTitle);
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::EndViewSource()
|
|
{
|
|
mViewSource->End();
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errWarnLtSlashInRcdata()
|
|
{
|
|
}
|
|
|
|
// The null checks below annotated MOZ_LIKELY are not actually necessary.
|
|
|
|
void
|
|
nsHtml5Tokenizer::errUnquotedAttributeValOrNull(char16_t c)
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
switch (c) {
|
|
case '<':
|
|
mViewSource->AddErrorToCurrentNode("errUnquotedAttributeLt");
|
|
return;
|
|
case '`':
|
|
mViewSource->AddErrorToCurrentNode("errUnquotedAttributeGrave");
|
|
return;
|
|
case '\'':
|
|
case '"':
|
|
mViewSource->AddErrorToCurrentNode("errUnquotedAttributeQuote");
|
|
return;
|
|
case '=':
|
|
mViewSource->AddErrorToCurrentNode("errUnquotedAttributeEquals");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errLtOrEqualsOrGraveInUnquotedAttributeOrNull(char16_t c)
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
switch (c) {
|
|
case '=':
|
|
mViewSource->AddErrorToCurrentNode("errUnquotedAttributeStartEquals");
|
|
return;
|
|
case '<':
|
|
mViewSource->AddErrorToCurrentNode("errUnquotedAttributeStartLt");
|
|
return;
|
|
case '`':
|
|
mViewSource->AddErrorToCurrentNode("errUnquotedAttributeStartGrave");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errBadCharBeforeAttributeNameOrNull(char16_t c)
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
if (c == '<') {
|
|
mViewSource->AddErrorToCurrentNode("errBadCharBeforeAttributeNameLt");
|
|
} else if (c == '=') {
|
|
errEqualsSignBeforeAttributeName();
|
|
} else if (c != 0xFFFD) {
|
|
errQuoteBeforeAttributeName(c);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errBadCharAfterLt(char16_t c)
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errBadCharAfterLt");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errQuoteOrLtInAttributeNameOrNull(char16_t c)
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
if (c == '<') {
|
|
mViewSource->AddErrorToCurrentNode("errLtInAttributeName");
|
|
} else if (c != 0xFFFD) {
|
|
mViewSource->AddErrorToCurrentNode("errQuoteInAttributeName");
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::maybeErrAttributesOnEndTag(nsHtml5HtmlAttributes* attrs)
|
|
{
|
|
if (mViewSource && attrs->getLength() != 0) {
|
|
/*
|
|
* When an end tag token is emitted with attributes, that is a parse
|
|
* error.
|
|
*/
|
|
mViewSource->AddErrorToCurrentRun("maybeErrAttributesOnEndTag");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::maybeErrSlashInEndTag(bool selfClosing)
|
|
{
|
|
if (mViewSource && selfClosing && endTag) {
|
|
mViewSource->AddErrorToCurrentSlash("maybeErrSlashInEndTag");
|
|
}
|
|
}
|
|
|
|
char16_t
|
|
nsHtml5Tokenizer::errNcrNonCharacter(char16_t ch)
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNcrNonCharacter");
|
|
}
|
|
return ch;
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errAstralNonCharacter(int32_t ch)
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNcrNonCharacter");
|
|
}
|
|
}
|
|
|
|
char16_t
|
|
nsHtml5Tokenizer::errNcrControlChar(char16_t ch)
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNcrControlChar");
|
|
}
|
|
return ch;
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errGarbageAfterLtSlash()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errGarbageAfterLtSlash");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errLtSlashGt()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errLtSlashGt");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errCharRefLacksSemicolon()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errCharRefLacksSemicolon");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNoDigitsInNCR()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNoDigitsInNCR");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errGtInSystemId()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errGtInSystemId");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errGtInPublicId()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errGtInPublicId");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNamelessDoctype()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNamelessDoctype");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errConsecutiveHyphens()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errConsecutiveHyphens");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errPrematureEndOfComment()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errPrematureEndOfComment");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errBogusComment()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errBogusComment");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errSlashNotFollowedByGt()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentSlash("errSlashNotFollowedByGt");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNoSpaceBetweenAttributes()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNoSpaceBetweenAttributes");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errAttributeValueMissing()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errAttributeValueMissing");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errEqualsSignBeforeAttributeName()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errEqualsSignBeforeAttributeName");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errLtGt()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errLtGt");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errProcessingInstruction()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errProcessingInstruction");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errUnescapedAmpersandInterpretedAsCharacterReference()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentAmpersand("errUnescapedAmpersandInterpretedAsCharacterReference");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNotSemicolonTerminated()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNotSemicolonTerminated");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNoNamedCharacterMatch()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentAmpersand("errNoNamedCharacterMatch");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errQuoteBeforeAttributeName(char16_t c)
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errQuoteBeforeAttributeName");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errExpectedPublicId()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errExpectedPublicId");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errBogusDoctype()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errBogusDoctype");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNcrSurrogate()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNcrSurrogate");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNcrCr()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNcrCr");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNcrInC1Range()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNcrInC1Range");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errEofInPublicId()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEofInPublicId");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errEofInComment()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEofInComment");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errEofInDoctype()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEofInDoctype");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errEofInAttributeValue()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEofInAttributeValue");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errEofInAttributeName()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEofInAttributeName");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errEofWithoutGt()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEofWithoutGt");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errEofInTagName()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEofInTagName");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errEofInEndTag()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEofInEndTag");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errEofAfterLt()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEofAfterLt");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNcrOutOfRange()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNcrOutOfRange");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNcrUnassigned()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNcrUnassigned");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errDuplicateAttribute()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errDuplicateAttribute");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errEofInSystemId()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEofInSystemId");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errExpectedSystemId()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errExpectedSystemId");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errMissingSpaceBeforeDoctypeName()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errMissingSpaceBeforeDoctypeName");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errHyphenHyphenBang()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errHyphenHyphenBang");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNcrControlChar()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNcrControlChar");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNcrZero()
|
|
{
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNcrZero");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNoSpaceBetweenDoctypeSystemKeywordAndQuote()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNoSpaceBetweenDoctypeSystemKeywordAndQuote");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNoSpaceBetweenPublicAndSystemIds()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNoSpaceBetweenPublicAndSystemIds");
|
|
}
|
|
}
|
|
|
|
void
|
|
nsHtml5Tokenizer::errNoSpaceBetweenDoctypePublicKeywordAndQuote()
|
|
{
|
|
if (MOZ_LIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentNode("errNoSpaceBetweenDoctypePublicKeywordAndQuote");
|
|
}
|
|
}
|