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/* 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/. */
private:
inline void silentCarriageReturn() {
nextCharOnNewLine = true;
lastCR = true;
}
inline void silentLineFeed() { nextCharOnNewLine = true; }
inline char16_t checkChar(char16_t* buf, int32_t pos) {
// The name of this method comes from the validator.
// We aren't checking a char here. We read the next
// UTF-16 code unit and, before returning it, adjust
// the line and column numbers.
char16_t c = buf[pos];
if (MOZ_UNLIKELY(nextCharOnNewLine)) {
// By changing the line and column here instead
// of doing so eagerly when seeing the line break
// causes the line break itself to be considered
// column-wise at the end of a line.
line++;
col = 1;
nextCharOnNewLine = false;
} else if (MOZ_LIKELY(!NS_IS_LOW_SURROGATE(c))) {
// SpiderMonkey wants to count scalar values
// instead of UTF-16 code units. We omit low
// surrogates from the count so that only the
// high surrogate increments the count for
// two-code-unit scalar values.
//
// It's somewhat questionable from the performance
// perspective to make the human-perceivable column
// count correct for non-BMP characters in the case
// where there is a single scalar value per extended
// grapheme cluster when even on the BMP there are
// various cases where the scalar count doesn't make
// much sense as a human-perceived "column count" due
// to extended grapheme clusters consisting of more
// than one scalar value.
col++;
}
return c;
}
int32_t col;
bool nextCharOnNewLine;
public:
inline int32_t getColumnNumber() { return col; }
inline void setColumnNumberAndResetNextLine(int32_t aCol) {
col = aCol;
// The restored position only ever points to the position of
// script tag's > character, so we can unconditionally use
// `false` below.
nextCharOnNewLine = false;
}
inline nsHtml5HtmlAttributes* GetAttributes() { return attributes; }
/**
* Makes sure the buffers are large enough to be able to tokenize aLength
* UTF-16 code units before having to make the buffers larger.
*
* @param aLength the number of UTF-16 code units to be tokenized before the
* next call to this method.
* @return true if successful; false if out of memory
*/
bool EnsureBufferSpace(int32_t aLength);
bool TemplatePushedOrHeadPopped();
void RememberGt(int32_t aPos);
void AtKilobyteBoundary() { suspendAfterCurrentTokenIfNotInText(); }
bool IsInTokenStartedAtKilobyteBoundary() {
return suspensionAfterCurrentNonTextTokenPending();
}
mozilla::UniquePtr<nsHtml5Highlighter> mViewSource;
/**
* Starts handling text/plain. This is a one-way initialization. There is
* no corresponding EndPlainText() call.
*/
void StartPlainText();
void EnableViewSource(nsHtml5Highlighter* aHighlighter);
bool ShouldFlushViewSource();
mozilla::Result<bool, nsresult> FlushViewSource();
void StartViewSource(const nsAutoString& aTitle);
void StartViewSourceCharacters();
[[nodiscard]] bool EndViewSource();
void RewindViewSource();
void SetViewSourceOpSink(nsAHtml5TreeOpSink* aOpSink);
void errGarbageAfterLtSlash();
void errLtSlashGt();
void errWarnLtSlashInRcdata();
void errCharRefLacksSemicolon();
void errNoDigitsInNCR();
void errGtInSystemId();
void errGtInPublicId();
void errNamelessDoctype();
void errConsecutiveHyphens();
void errPrematureEndOfComment();
void errBogusComment();
void errUnquotedAttributeValOrNull(char16_t c);
void errSlashNotFollowedByGt();
void errNoSpaceBetweenAttributes();
void errLtOrEqualsOrGraveInUnquotedAttributeOrNull(char16_t c);
void errAttributeValueMissing();
void errBadCharBeforeAttributeNameOrNull(char16_t c);
void errEqualsSignBeforeAttributeName();
void errBadCharAfterLt(char16_t c);
void errLtGt();
void errProcessingInstruction();
void errUnescapedAmpersandInterpretedAsCharacterReference();
void errNotSemicolonTerminated();
void errNoNamedCharacterMatch();
void errQuoteBeforeAttributeName(char16_t c);
void errQuoteOrLtInAttributeNameOrNull(char16_t c);
void errExpectedPublicId();
void errBogusDoctype();
void maybeErrAttributesOnEndTag(nsHtml5HtmlAttributes* attrs);
void maybeErrSlashInEndTag(bool selfClosing);
char16_t errNcrNonCharacter(char16_t ch);
void errAstralNonCharacter(int32_t ch);
void errNcrSurrogate();
char16_t errNcrControlChar(char16_t ch);
void errNcrCr();
void errNcrInC1Range();
void errEofInPublicId();
void errEofInComment();
void errEofInDoctype();
void errEofInAttributeValue();
void errEofInAttributeName();
void errEofWithoutGt();
void errEofInTagName();
void errEofInEndTag();
void errEofAfterLt();
void errNcrOutOfRange();
void errNcrUnassigned();
void errDuplicateAttribute();
void errEofInSystemId();
void errExpectedSystemId();
void errMissingSpaceBeforeDoctypeName();
void errNestedComment();
void errNcrControlChar();
void errNcrZero();
void errNoSpaceBetweenDoctypeSystemKeywordAndQuote();
void errNoSpaceBetweenPublicAndSystemIds();
void errNoSpaceBetweenDoctypePublicKeywordAndQuote();
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