Vector<String> TextCheckingHelper::guessesForMisspelledOrUngrammaticalRange(bool checkGrammar, bool& misspelled, bool& ungrammatical) const
{
if (!unifiedTextCheckerEnabled())
return Vector<String>();
Vector<String> guesses;
misspelled = false;
ungrammatical = false;
if (!m_client || !m_range || m_range->collapsed(IGNORE_EXCEPTION))
return guesses;
// Expand the range to encompass entire paragraphs, since text checking needs that much context.
TextCheckingParagraph paragraph(m_range);
if (paragraph.isEmpty())
return guesses;
Vector<TextCheckingResult> results;
TextCheckingTypeMask checkingTypes = checkGrammar ? (TextCheckingTypeSpelling | TextCheckingTypeGrammar) : TextCheckingTypeSpelling;
checkTextOfParagraph(*m_client->textChecker(), paragraph.text(), checkingTypes, results);
for (unsigned i = 0; i < results.size(); i++) {
const TextCheckingResult* result = &results[i];
if (result->type == TextCheckingTypeSpelling && paragraph.checkingRangeMatches(result->location, result->length)) {
String misspelledWord = paragraph.checkingSubstring();
ASSERT(misspelledWord.length());
m_client->textChecker()->getGuessesForWord(misspelledWord, String(), guesses);
m_client->updateSpellingUIWithMisspelledWord(misspelledWord);
misspelled = true;
return guesses;
}
}
if (!checkGrammar)
return guesses;
for (unsigned i = 0; i < results.size(); i++) {
const TextCheckingResult* result = &results[i];
if (result->type == TextCheckingTypeGrammar && paragraph.isCheckingRangeCoveredBy(result->location, result->length)) {
for (unsigned j = 0; j < result->details.size(); j++) {
const GrammarDetail* detail = &result->details[j];
ASSERT(detail->length > 0);
ASSERT(detail->location >= 0);
if (paragraph.checkingRangeMatches(result->location + detail->location, detail->length)) {
String badGrammarPhrase = paragraph.textSubstring(result->location, result->length);
ASSERT(badGrammarPhrase.length());
for (unsigned k = 0; k < detail->guesses.size(); k++)
guesses.append(detail->guesses[k]);
m_client->updateSpellingUIWithGrammarString(badGrammarPhrase, *detail);
ungrammatical = true;
return guesses;
}
}
}
}
return guesses;
}
Vector<String> TextCheckingHelper::guessesForMisspelledOrUngrammaticalRange(bool checkGrammar, bool& misspelled, bool& ungrammatical) const
{
if (!unifiedTextCheckerEnabled())
return Vector<String>();
Vector<String> guesses;
misspelled = false;
ungrammatical = false;
if (!m_client || !m_range || m_range->collapsed())
return guesses;
// Expand the range to encompass entire paragraphs, since text checking needs that much context.
TextCheckingParagraph paragraph(m_range);
if (paragraph.isEmpty())
return guesses;
Vector<TextCheckingResult> results;
TextCheckingTypeMask checkingTypes = checkGrammar ? (TextCheckingTypeSpelling | TextCheckingTypeGrammar) : TextCheckingTypeSpelling;
VisibleSelection currentSelection;
if (Frame* frame = m_range->ownerDocument().frame())
currentSelection = frame->selection().selection();
checkTextOfParagraph(*m_client->textChecker(), paragraph.text(), checkingTypes, results, currentSelection);
for (auto& result : results) {
if (result.type == TextCheckingTypeSpelling && paragraph.checkingRangeMatches(result.location, result.length)) {
String misspelledWord = paragraph.checkingSubstring();
ASSERT(misspelledWord.length());
m_client->textChecker()->getGuessesForWord(misspelledWord, String(), currentSelection, guesses);
m_client->updateSpellingUIWithMisspelledWord(misspelledWord);
misspelled = true;
return guesses;
}
}
if (!checkGrammar)
return guesses;
for (auto& result : results) {
if (result.type == TextCheckingTypeGrammar && paragraph.isCheckingRangeCoveredBy(result.location, result.length)) {
for (auto& detail : result.details) {
ASSERT(detail.length > 0);
ASSERT(detail.location >= 0);
if (paragraph.checkingRangeMatches(result.location + detail.location, detail.length)) {
String badGrammarPhrase = paragraph.textSubstring(result.location, result.length);
ASSERT(badGrammarPhrase.length());
for (auto& guess : detail.guesses)
guesses.append(guess);
m_client->updateSpellingUIWithGrammarString(badGrammarPhrase, detail);
ungrammatical = true;
return guesses;
}
}
}
}
return guesses;
}
void TextChecker::requestCheckingOfString(PassRefPtr<TextCheckerCompletion> completion)
{
#if ENABLE(SPELLCHECK)
if (!completion)
return;
TextCheckingRequestData request = completion->textCheckingRequestData();
ASSERT(request.sequence() != unrequestedTextCheckingSequence);
ASSERT(request.mask() != TextCheckingTypeNone);
completion->didFinishCheckingText(checkTextOfParagraph(completion->spellDocumentTag(), request.text(), request.mask()));
#else
UNUSED_PARAM(completion);
#endif
}
void SpellChecker::markAllMisspellingsAndBadGrammarInRanges(TextCheckingTypeMask textCheckingOptions, Range* checkRange, Range* paragraphRange, bool asynchronous, int requestNumber, int* checkingLength)
{
TextCheckingParagraph sentenceToCheck(checkRange, paragraphRange);
if (checkingLength)
*checkingLength = sentenceToCheck.checkingLength();
RefPtr<SpellCheckRequest> request = SpellCheckRequest::create(resolveTextCheckingTypeMask(textCheckingOptions), TextCheckingProcessBatch, checkRange, paragraphRange, requestNumber);
if (asynchronous) {
m_spellCheckRequester->requestCheckingFor(request);
} else {
Vector<TextCheckingResult> results;
checkTextOfParagraph(textChecker(), sentenceToCheck.text(), resolveTextCheckingTypeMask(textCheckingOptions), results);
markAndReplaceFor(request, results);
}
}
String TextCheckingHelper::findFirstMisspellingOrBadGrammar(bool& outIsSpelling, int& outFirstFoundOffset, GrammarDetail& outGrammarDetail)
{
if (!unifiedTextCheckerEnabled())
return "";
String firstFoundItem;
String misspelledWord;
String badGrammarPhrase;
// Initialize out parameters; these will be updated if we find something to return.
outIsSpelling = true;
outFirstFoundOffset = 0;
outGrammarDetail.location = -1;
outGrammarDetail.length = 0;
outGrammarDetail.guesses.clear();
outGrammarDetail.userDescription = "";
// Expand the search range to encompass entire paragraphs, since text checking needs that much context.
// Determine the character offset from the start of the paragraph to the start of the original search range,
// since we will want to ignore results in this area.
Position paragraphStart = startOfParagraph(createVisiblePosition(m_start)).toParentAnchoredPosition();
Position paragraphEnd = m_end;
int totalRangeLength = TextIterator::rangeLength(paragraphStart, paragraphEnd);
paragraphEnd = endOfParagraph(createVisiblePosition(m_start)).toParentAnchoredPosition();
int rangeStartOffset = TextIterator::rangeLength(paragraphStart, m_start);
int totalLengthProcessed = 0;
bool firstIteration = true;
bool lastIteration = false;
while (totalLengthProcessed < totalRangeLength) {
// Iterate through the search range by paragraphs, checking each one for spelling and grammar.
int currentLength = TextIterator::rangeLength(paragraphStart, paragraphEnd);
int currentStartOffset = firstIteration ? rangeStartOffset : 0;
int currentEndOffset = currentLength;
if (inSameParagraph(createVisiblePosition(paragraphStart), createVisiblePosition(m_end))) {
// Determine the character offset from the end of the original search range to the end of the paragraph,
// since we will want to ignore results in this area.
currentEndOffset = TextIterator::rangeLength(paragraphStart, m_end);
lastIteration = true;
}
if (currentStartOffset < currentEndOffset) {
String paragraphString = plainText(EphemeralRange(paragraphStart, paragraphEnd));
if (paragraphString.length() > 0) {
bool foundGrammar = false;
int spellingLocation = 0;
int grammarPhraseLocation = 0;
int grammarDetailLocation = 0;
unsigned grammarDetailIndex = 0;
Vector<TextCheckingResult> results;
TextCheckingTypeMask checkingTypes = TextCheckingTypeSpelling | TextCheckingTypeGrammar;
checkTextOfParagraph(m_client->textChecker(), paragraphString, checkingTypes, results);
for (unsigned i = 0; i < results.size(); i++) {
const TextCheckingResult* result = &results[i];
if (result->decoration == TextDecorationTypeSpelling && result->location >= currentStartOffset && result->location + result->length <= currentEndOffset) {
ASSERT(result->length > 0 && result->location >= 0);
spellingLocation = result->location;
misspelledWord = paragraphString.substring(result->location, result->length);
ASSERT(misspelledWord.length());
break;
}
if (result->decoration == TextDecorationTypeGrammar && result->location < currentEndOffset && result->location + result->length > currentStartOffset) {
ASSERT(result->length > 0 && result->location >= 0);
// We can't stop after the first grammar result, since there might still be a spelling result after
// it begins but before the first detail in it, but we can stop if we find a second grammar result.
if (foundGrammar)
break;
for (unsigned j = 0; j < result->details.size(); j++) {
const GrammarDetail* detail = &result->details[j];
ASSERT(detail->length > 0 && detail->location >= 0);
if (result->location + detail->location >= currentStartOffset && result->location + detail->location + detail->length <= currentEndOffset && (!foundGrammar || result->location + detail->location < grammarDetailLocation)) {
grammarDetailIndex = j;
grammarDetailLocation = result->location + detail->location;
foundGrammar = true;
}
}
if (foundGrammar) {
grammarPhraseLocation = result->location;
outGrammarDetail = result->details[grammarDetailIndex];
badGrammarPhrase = paragraphString.substring(result->location, result->length);
ASSERT(badGrammarPhrase.length());
}
}
}
if (!misspelledWord.isEmpty() && (badGrammarPhrase.isEmpty() || spellingLocation <= grammarDetailLocation)) {
int spellingOffset = spellingLocation - currentStartOffset;
if (!firstIteration)
spellingOffset += TextIterator::rangeLength(m_start, paragraphStart);
outIsSpelling = true;
outFirstFoundOffset = spellingOffset;
firstFoundItem = misspelledWord;
break;
}
if (!badGrammarPhrase.isEmpty()) {
int grammarPhraseOffset = grammarPhraseLocation - currentStartOffset;
if (!firstIteration)
grammarPhraseOffset += TextIterator::rangeLength(m_start, paragraphStart);
outIsSpelling = false;
outFirstFoundOffset = grammarPhraseOffset;
firstFoundItem = badGrammarPhrase;
break;
}
}
}
if (lastIteration || totalLengthProcessed + currentLength >= totalRangeLength)
break;
VisiblePosition newParagraphStart = startOfNextParagraph(createVisiblePosition(paragraphEnd));
paragraphStart = newParagraphStart.toParentAnchoredPosition();
paragraphEnd = endOfParagraph(newParagraphStart).toParentAnchoredPosition();
firstIteration = false;
totalLengthProcessed += currentLength;
}
return firstFoundItem;
}
String TextCheckingHelper::findFirstMisspellingOrBadGrammar(bool checkGrammar, bool& outIsSpelling, int& outFirstFoundOffset, GrammarDetail& outGrammarDetail)
{
if (!unifiedTextCheckerEnabled())
return "";
String firstFoundItem;
String misspelledWord;
String badGrammarPhrase;
// Initialize out parameters; these will be updated if we find something to return.
outIsSpelling = true;
outFirstFoundOffset = 0;
outGrammarDetail.location = -1;
outGrammarDetail.length = 0;
outGrammarDetail.guesses.clear();
outGrammarDetail.userDescription = "";
// Expand the search range to encompass entire paragraphs, since text checking needs that much context.
// Determine the character offset from the start of the paragraph to the start of the original search range,
// since we will want to ignore results in this area.
Ref<Range> paragraphRange = m_range->cloneRange();
setStart(paragraphRange.ptr(), startOfParagraph(m_range->startPosition()));
int totalRangeLength = TextIterator::rangeLength(paragraphRange.ptr());
setEnd(paragraphRange.ptr(), endOfParagraph(m_range->startPosition()));
Ref<Range> offsetAsRange = Range::create(paragraphRange->startContainer().document(), paragraphRange->startPosition(), m_range->startPosition());
int rangeStartOffset = TextIterator::rangeLength(offsetAsRange.ptr());
int totalLengthProcessed = 0;
bool firstIteration = true;
bool lastIteration = false;
while (totalLengthProcessed < totalRangeLength) {
// Iterate through the search range by paragraphs, checking each one for spelling and grammar.
int currentLength = TextIterator::rangeLength(paragraphRange.ptr());
int currentStartOffset = firstIteration ? rangeStartOffset : 0;
int currentEndOffset = currentLength;
if (inSameParagraph(paragraphRange->startPosition(), m_range->endPosition())) {
// Determine the character offset from the end of the original search range to the end of the paragraph,
// since we will want to ignore results in this area.
RefPtr<Range> endOffsetAsRange = Range::create(paragraphRange->startContainer().document(), paragraphRange->startPosition(), m_range->endPosition());
currentEndOffset = TextIterator::rangeLength(endOffsetAsRange.get());
lastIteration = true;
}
if (currentStartOffset < currentEndOffset) {
String paragraphString = plainText(paragraphRange.ptr());
if (paragraphString.length() > 0) {
bool foundGrammar = false;
int spellingLocation = 0;
int grammarPhraseLocation = 0;
int grammarDetailLocation = 0;
unsigned grammarDetailIndex = 0;
Vector<TextCheckingResult> results;
TextCheckingTypeMask checkingTypes = checkGrammar ? (TextCheckingTypeSpelling | TextCheckingTypeGrammar) : TextCheckingTypeSpelling;
VisibleSelection currentSelection;
if (Frame* frame = paragraphRange->ownerDocument().frame())
currentSelection = frame->selection().selection();
checkTextOfParagraph(*m_client->textChecker(), paragraphString, checkingTypes, results, currentSelection);
for (auto& result : results) {
if (result.type == TextCheckingTypeSpelling && result.location >= currentStartOffset && result.location + result.length <= currentEndOffset) {
ASSERT(result.length > 0);
ASSERT(result.location >= 0);
spellingLocation = result.location;
misspelledWord = paragraphString.substring(result.location, result.length);
ASSERT(misspelledWord.length());
break;
}
if (checkGrammar && result.type == TextCheckingTypeGrammar && result.location < currentEndOffset && result.location + result.length > currentStartOffset) {
ASSERT(result.length > 0);
ASSERT(result.location >= 0);
// We can't stop after the first grammar result, since there might still be a spelling result after
// it begins but before the first detail in it, but we can stop if we find a second grammar result.
if (foundGrammar)
break;
for (unsigned j = 0; j < result.details.size(); j++) {
const GrammarDetail* detail = &result.details[j];
ASSERT(detail->length > 0);
ASSERT(detail->location >= 0);
if (result.location + detail->location >= currentStartOffset && result.location + detail->location + detail->length <= currentEndOffset && (!foundGrammar || result.location + detail->location < grammarDetailLocation)) {
grammarDetailIndex = j;
grammarDetailLocation = result.location + detail->location;
foundGrammar = true;
}
}
if (foundGrammar) {
grammarPhraseLocation = result.location;
outGrammarDetail = result.details[grammarDetailIndex];
badGrammarPhrase = paragraphString.substring(result.location, result.length);
ASSERT(badGrammarPhrase.length());
}
}
}
if (!misspelledWord.isEmpty() && (!checkGrammar || badGrammarPhrase.isEmpty() || spellingLocation <= grammarDetailLocation)) {
int spellingOffset = spellingLocation - currentStartOffset;
if (!firstIteration) {
RefPtr<Range> paragraphOffsetAsRange = Range::create(paragraphRange->startContainer().document(), m_range->startPosition(), paragraphRange->startPosition());
spellingOffset += TextIterator::rangeLength(paragraphOffsetAsRange.get());
}
outIsSpelling = true;
outFirstFoundOffset = spellingOffset;
firstFoundItem = misspelledWord;
break;
}
if (checkGrammar && !badGrammarPhrase.isEmpty()) {
int grammarPhraseOffset = grammarPhraseLocation - currentStartOffset;
if (!firstIteration) {
RefPtr<Range> paragraphOffsetAsRange = Range::create(paragraphRange->startContainer().document(), m_range->startPosition(), paragraphRange->startPosition());
grammarPhraseOffset += TextIterator::rangeLength(paragraphOffsetAsRange.get());
}
outIsSpelling = false;
outFirstFoundOffset = grammarPhraseOffset;
firstFoundItem = badGrammarPhrase;
break;
}
}
}
if (lastIteration || totalLengthProcessed + currentLength >= totalRangeLength)
break;
VisiblePosition newParagraphStart = startOfNextParagraph(paragraphRange->endPosition());
setStart(paragraphRange.ptr(), newParagraphStart);
setEnd(paragraphRange.ptr(), endOfParagraph(newParagraphStart));
firstIteration = false;
totalLengthProcessed += currentLength;
}
return firstFoundItem;
}
