static bool
finderNextWord(QTextBoundaryFinder &finder, QString &word, int &bufferStart)
{
QTextBoundaryFinder::BoundaryReasons boundary = finder.boundaryReasons();
int start = finder.position(), end = finder.position();
bool inWord = (boundary & QTextBoundaryFinder::StartWord) != 0;
while (finder.toNextBoundary() > 0) {
boundary = finder.boundaryReasons();
if ((boundary & QTextBoundaryFinder::EndWord) && inWord) {
end = finder.position();
QString str = finder.string().mid(start, end - start);
if (isValidWord(str)) {
word = str;
bufferStart = start;
#if 0
kDebug() << "Word at " << start << " word = '"
<< str << "', len = " << str.length();
#endif
return true;
}
inWord = false;
}
if ((boundary & QTextBoundaryFinder::StartWord)) {
start = finder.position();
inWord = true;
}
}
return false;
}
void SpellcheckerExt::checkSpellingOfString (const QString& word,
int *misspellingLocation, int *misspellingLength)
{
if (!misspellingLength || !misspellingLocation)
return;
*misspellingLocation = 0;
*misspellingLength = 0;
QTextBoundaryFinder finder { QTextBoundaryFinder::Word, word };
bool isInWord = false;
int start = -1;
int end = -1;
do
{
const auto reasons = finder.boundaryReasons ();
if (IsWordStart (reasons, finder.type ()))
{
start = finder.position ();
isInWord = true;
}
if (isInWord && IsWordEnd (reasons, finder.type ()))
{
end = finder.position ();
const auto& str = word.mid (start, end - start);
if (std::none_of (Spellcheckers_.begin (), Spellcheckers_.end (),
[&str] (const ISpellChecker_ptr& sc) { return sc->IsCorrect (str); }))
{
*misspellingLocation = start;
*misspellingLength = end - start;
return;
}
isInWord = false;
}
}
while (finder.toNextBoundary () > 0);
}
static bool finderWordAt(QTextBoundaryFinder &finder,
int at,
QString &word, int &bufferStart)
{
int oldPosition = finder.position();
finder.setPosition(at);
if (!finder.isAtBoundary() || (finder.boundaryReasons() & QTextBoundaryFinder::EndWord)) {
if (finder.toPreviousBoundary() <= 0) {
/* QTextBoundaryIterator doesn't consider start of the string
* a boundary so we need to rewind to the beginning to catch
* the first word */
if (at > 0 && finder.string().length() > 0) {
finder.toStart();
} else
return false;
}
}
bool ret = finderNextWord(finder, word, bufferStart);
finder.setPosition(oldPosition);
return ret;
}
