size_t lastHyphenLocation(StringView string, size_t beforeIndex, const AtomicString& localeIdentifier)
{
// libhyphen accepts strings in UTF-8 format, but WebCore can only provide StringView
// which stores either UTF-16 or Latin1 data. This is unfortunate for performance
// reasons and we should consider switching to a more flexible hyphenation library
// if it is available.
CString utf8StringCopy = string.toStringWithoutCopying().utf8();
// WebCore often passes strings like " wordtohyphenate" to the platform layer. Since
// libhyphen isn't advanced enough to deal with leading spaces (presumably CoreFoundation
// can), we should find the appropriate indexes into the string to skip them.
int32_t leadingSpaceBytes;
int32_t leadingSpaceCharacters;
countLeadingSpaces(utf8StringCopy, leadingSpaceBytes, leadingSpaceCharacters);
// The libhyphen documentation specifies that this array should be 5 bytes longer than
// the byte length of the input string.
Vector<char> hyphenArray(utf8StringCopy.length() - leadingSpaceBytes + 5);
char* hyphenArrayData = hyphenArray.data();
String lowercaseLocaleIdentifier = AtomicString(localeIdentifier.string().convertToASCIILowercase());
ASSERT(availableLocales().contains(lowercaseLocaleIdentifier));
for (const auto& dictionaryPath : availableLocales().get(lowercaseLocaleIdentifier)) {
RefPtr<HyphenationDictionary> dictionary = TinyLRUCachePolicy<AtomicString, RefPtr<HyphenationDictionary>>::cache().get(AtomicString(dictionaryPath));
char** replacements = nullptr;
int* positions = nullptr;
int* removedCharacterCounts = nullptr;
hnj_hyphen_hyphenate2(dictionary->libhyphenDictionary(),
utf8StringCopy.data() + leadingSpaceBytes,
utf8StringCopy.length() - leadingSpaceBytes,
hyphenArrayData,
nullptr, /* output parameter for hyphenated word */
&replacements,
&positions,
&removedCharacterCounts);
if (replacements) {
for (unsigned i = 0; i < utf8StringCopy.length() - leadingSpaceBytes - 1; i++)
free(replacements[i]);
free(replacements);
}
free(positions);
free(removedCharacterCounts);
for (int i = beforeIndex - leadingSpaceCharacters - 2; i >= 0; i--) {
// libhyphen will put an odd number in hyphenArrayData at all
// hyphenation points. A number & 1 will be true for odd numbers.
if (hyphenArrayData[i] & 1)
return i + 1 + leadingSpaceCharacters;
}
}
return 0;
}
void Hyphenator::slotHyphenateWord(PageItem* it, const QString& text, int firstC)
{
if ((!m_usable))//FIXME:av || (!ScMW->Sprachen.contains(it->Language)))
return;
const char *word;
char *buffer;
const int BORDER = 2;
QByteArray te;
//uint maxC = it->itemText.length() - 1;
QString found = text;
if (found.contains(SpecialChars::SHYPHEN))
return;
// else if (findException(found, &buffer) it->itemText.hyphenateWord(firstC, found.length(), buffer);
else if (signed(found.length()) >= MinWordLen)
{
NewDict(it->itemText.charStyle(firstC).language());
te = m_codec->fromUnicode( found );
word = te.data();
int wordlen = strlen(word);
buffer = static_cast<char*>(malloc(wordlen+BORDER+3));
if (buffer == NULL)
return;
char ** rep = NULL;
int * pos = NULL;
int * cut = NULL;
if (!hnj_hyphen_hyphenate2(m_hdict, word, wordlen, buffer, NULL, &rep, &pos, &cut))
{
//uint i = 0;
buffer[wordlen] = '\0';
it->itemText.hyphenateWord(firstC, found.length(), buffer);
}
free(buffer);
if (rep)
{
for (int i = 0; i < wordlen - 1; ++i)
if (rep[i])
free(rep[i]);
free(rep);
}
if (pos) free(pos);
if (cut) free(cut);
buffer = NULL;
rep = NULL;
pos = NULL;
cut = NULL;
}
}
void Hyphenator::slotHyphenateWord(PageItem* it, const QString& text, int firstC)
{
if (text.contains(SpecialChars::SHYPHEN))
return;
const CharStyle& style = it->itemText.charStyle(firstC);
if (text.length() < style.hyphenWordMin())
return;
bool ok = loadDict(style.language());
if (!ok)
return;
QByteArray te = m_codec->fromUnicode(text);
char *buffer = static_cast<char*>(malloc(te.length() + 5));
if (buffer == nullptr)
return;
char **rep = nullptr;
int *pos = nullptr;
int *cut = nullptr;
// TODO: support non-standard hyphenation, see hnj_hyphen_hyphenate2 docs
if (!hnj_hyphen_hyphenate2(m_hdict, te.data(), te.length(), buffer, nullptr, &rep, &pos, &cut))
{
buffer[te.length()] = '\0';
it->itemText.hyphenateWord(firstC, text.length(), buffer);
}
free(buffer);
if (rep)
{
for (int i = 0; i < te.length() - 1; ++i)
free(rep[i]);
}
free(rep);
free(pos);
free(cut);
}
void Hyphenator::slotHyphenate(PageItem* it)
{
if (!(it->asTextFrame()) || (it->itemText.length() == 0))
return;
m_doc->DoDrawing = false;
QString text = "";
int startC = 0;
if (it->itemText.selectionLength() > 0)
{
startC = it->itemText.startOfSelection();
text = it->itemText.text(startC, it->itemText.selectionLength());
}
else {
text = it->itemText.text(0, it->itemText.length());
}
rememberedWords.clear();
qApp->setOverrideCursor(QCursor(Qt::WaitCursor));
BreakIterator* bi = StoryText::getWordIterator();
bi->setText((const UChar*) text.utf16());
int pos = bi->first();
while (pos != BreakIterator::DONE)
{
int firstC = pos;
pos = bi->next();
int lastC = pos;
int countC = lastC - firstC;
const CharStyle& style = it->itemText.charStyle(firstC);
if (countC > 0 && countC > style.hyphenWordMin() - 1)
{
QString word = text.mid(firstC, countC);
QString wordLower = QLocale(style.language()).toLower(word);
if (wordLower.contains(SpecialChars::SHYPHEN))
break;
bool ok = loadDict(style.language());
if (!ok)
continue;
QByteArray te = m_codec->fromUnicode(wordLower);
char *buffer = static_cast<char*>(malloc(te.length() + 5));
if (buffer == nullptr)
break;
char **rep = nullptr;
int *pos = nullptr;
int *cut = nullptr;
// TODO: support non-standard hyphenation, see hnj_hyphen_hyphenate2 docs
if (!hnj_hyphen_hyphenate2(m_hdict, te.data(), te.length(), buffer, nullptr, &rep, &pos, &cut))
{
int i = 0;
buffer[te.length()] = '\0';
bool hasHyphen = false;
for (i = 1; i < wordLower.length()-1; ++i)
{
if(buffer[i] & 1)
{
hasHyphen = true;
break;
}
}
QString outs = "";
QString input = "";
outs += word[0];
for (i = 1; i < wordLower.length()-1; ++i)
{
outs += word[i];
if(buffer[i] & 1)
outs += "-";
}
outs += word.rightRef(1);
input = outs;
if (!ignoredWords.contains(word))
{
if (!hasHyphen)
it->itemText.hyphenateWord(startC + firstC, wordLower.length(), nullptr);
else if (m_automatic)
{
if (specialWords.contains(word))
{
outs = specialWords.value(word);
uint ii = 1;
for (i = 1; i < outs.length()-1; ++i)
{
QChar cht = outs[i];
if (cht == '-')
buffer[ii-1] = 1;
else
{
buffer[ii] = 0;
++ii;
}
}
}
it->itemText.hyphenateWord(startC + firstC, wordLower.length(), buffer);
}
else
{
if (specialWords.contains(word))
{
outs = specialWords.value(word);
uint ii = 1;
for (i = 1; i < outs.length()-1; ++i)
{
QChar cht = outs[i];
if (cht == '-')
buffer[ii-1] = 1;
else
{
buffer[ii] = 0;
++ii;
}
}
}
if (rememberedWords.contains(input))
{
outs = rememberedWords.value(input);
uint ii = 1;
for (i = 1; i < outs.length()-1; ++i)
{
QChar cht = outs[i];
if (cht == '-')
buffer[ii-1] = 1;
else
{
buffer[ii] = 0;
++ii;
}
}
it->itemText.hyphenateWord(firstC, wordLower.length(), buffer);
}
else
{
qApp->changeOverrideCursor(QCursor(Qt::ArrowCursor));
PrefsContext* prefs = PrefsManager::instance()->prefsFile->getContext("hyhpen_options");
int xpos = prefs->getInt("Xposition", -9999);
int ypos = prefs->getInt("Yposition", -9999);
HyAsk *dia = new HyAsk((QWidget*)parent(), outs);
if ((xpos != -9999) && (ypos != -9999))
dia->move(xpos, ypos);
qApp->processEvents();
if (dia->exec())
{
outs = dia->Wort->text();
uint ii = 1;
for (i = 1; i < outs.length()-1; ++i)
{
QChar cht = outs[i];
if (cht == '-')
buffer[ii-1] = 1;
else
{
buffer[ii] = 0;
++ii;
}
}
if (!rememberedWords.contains(input))
rememberedWords.insert(input, outs);
if (dia->addToIgnoreList->isChecked())
{
if (!ignoredWords.contains(word))
ignoredWords.insert(word);
}
if (dia->addToExceptionList->isChecked())
{
if (!specialWords.contains(word))
specialWords.insert(word, outs);
}
it->itemText.hyphenateWord(firstC, wordLower.length(), buffer);
}
else
{
free(buffer);
buffer = nullptr;
prefs->set("Xposition", dia->xpos);
prefs->set("Yposition", dia->ypos);
delete dia;
break;
}
prefs->set("Xposition", dia->xpos);
prefs->set("Yposition", dia->ypos);
delete dia;
qApp->changeOverrideCursor(QCursor(Qt::WaitCursor));
}
}
}
}
free(buffer);
if (rep)
{
for (int i = 0; i < te.length() - 1; ++i)
free(rep[i]);
}
free(rep);
free(pos);
free(cut);
}
}
qApp->restoreOverrideCursor();
m_doc->DoDrawing = true;
rememberedWords.clear();
}
nsresult
nsHyphenator::Hyphenate(const nsAString& aString,
nsTArray<bool>& aHyphens)
{
if (!aHyphens.SetLength(aString.Length())) {
return NS_ERROR_OUT_OF_MEMORY;
}
memset(aHyphens.Elements(), false, aHyphens.Length());
bool inWord = false;
uint32_t wordStart = 0, wordLimit = 0;
uint32_t chLen;
for (uint32_t i = 0; i < aString.Length(); i += chLen) {
uint32_t ch = aString[i];
chLen = 1;
if (NS_IS_HIGH_SURROGATE(ch)) {
if (i + 1 < aString.Length() && NS_IS_LOW_SURROGATE(aString[i+1])) {
ch = SURROGATE_TO_UCS4(ch, aString[i+1]);
chLen = 2;
} else {
NS_WARNING("unpaired surrogate found during hyphenation");
}
}
nsIUGenCategory::nsUGenCategory cat = mozilla::unicode::GetGenCategory(ch);
if (cat == nsIUGenCategory::kLetter || cat == nsIUGenCategory::kMark) {
if (!inWord) {
inWord = true;
wordStart = i;
}
wordLimit = i + chLen;
if (i + chLen < aString.Length()) {
continue;
}
}
if (inWord) {
const PRUnichar *begin = aString.BeginReading();
NS_ConvertUTF16toUTF8 utf8(begin + wordStart,
wordLimit - wordStart);
nsAutoTArray<char,200> utf8hyphens;
utf8hyphens.SetLength(utf8.Length() + 5);
char **rep = nullptr;
int *pos = nullptr;
int *cut = nullptr;
int err = hnj_hyphen_hyphenate2((HyphenDict*)mDict,
utf8.BeginReading(), utf8.Length(),
utf8hyphens.Elements(), nullptr,
&rep, &pos, &cut);
if (!err) {
// Surprisingly, hnj_hyphen_hyphenate2 converts the 'hyphens' buffer
// from utf8 code unit indexing (which would match the utf8 input
// string directly) to Unicode character indexing.
// We then need to convert this to utf16 code unit offsets for Gecko.
const char *hyphPtr = utf8hyphens.Elements();
const PRUnichar *cur = begin + wordStart;
const PRUnichar *end = begin + wordLimit;
while (cur < end) {
if (*hyphPtr & 0x01) {
aHyphens[cur - begin] = true;
}
cur++;
if (cur < end && NS_IS_LOW_SURROGATE(*cur) &&
NS_IS_HIGH_SURROGATE(*(cur-1)))
{
cur++;
}
hyphPtr++;
}
}
}
inWord = false;
}
return NS_OK;
}
void Hyphenator::slotHyphenate(PageItem* it)
{
if ((!m_usable) || !(it->asTextFrame()) || (it->itemText.length() == 0))
return;
m_doc->DoDrawing = false;
const char *word;
char *buffer;
const int BORDER = 2;
QString text = "";
QString buf;
QByteArray te;
int startC = 0;
if (it->itemText.lengthOfSelection() > 0)
{
startC = it->itemText.startOfSelection();
text = it->itemText.text(startC, it->itemText.lengthOfSelection());
}
else {
text = it->itemText.text(0, it->itemText.length());
}
int firstC = 0;
int lastC = 0;
int Ccount = 0;
QString found = "";
QString found2 = "";
rememberedWords.clear();
//uint maxC = it->itemText.length() - 1;
qApp->setOverrideCursor(QCursor(Qt::WaitCursor));
QRegExp wordBoundary("\\w");
QRegExp whiteSpace("\\s|\\W|\\d|\\n|\\r|\\t");
while ((firstC+Ccount < signed(text.length())) && (firstC != -1) &&
(lastC < signed(text.length())))
{
firstC = text.indexOf(wordBoundary, firstC+Ccount);
if (firstC < 0)
break;
if (firstC > 0 && text.at(firstC-1) == SpecialChars::SHYPHEN)
{
Ccount = 1;
continue;
}
lastC = text.indexOf(whiteSpace, firstC);
if (lastC < 0)
lastC = signed(text.length());
Ccount = lastC - firstC;
if (lastC < signed(text.length()) && text.at(lastC) == SpecialChars::SHYPHEN)
{
++Ccount;
continue;
}
if (Ccount > MinWordLen-1)
{
found = text.mid(firstC, Ccount).toLower();
found2 = text.mid(firstC, Ccount);
if (found.contains(SpecialChars::SHYPHEN))
break;
NewDict(it->itemText.charStyle(firstC).language());
te = m_codec->fromUnicode( found );
word = te.data();
int wordlen = strlen(word);
buffer = static_cast<char*>(malloc(wordlen+BORDER+3));
if (buffer == NULL)
break;
char ** rep = NULL;
int * pos = NULL;
int * cut = NULL;
if (!hnj_hyphen_hyphenate2(m_hdict, word, wordlen, buffer, NULL, &rep, &pos, &cut))
{
int i = 0;
buffer[wordlen] = '\0';
bool hasHyphen = false;
for (i = 1; i < found.length()-1; ++i)
{
if(buffer[i] & 1)
{
hasHyphen = true;
break;
}
}
QString outs = "";
QString input = "";
outs += found2[0];
for (i = 1; i < found.length()-1; ++i)
{
outs += found2[i];
if(buffer[i] & 1)
outs += "-";
}
outs += found2.right(1);
input = outs;
if (!ignoredWords.contains(found2))
{
if (!hasHyphen)
it->itemText.hyphenateWord(startC + firstC, found.length(), NULL);
else if (Automatic)
{
if (specialWords.contains(found2))
{
outs = specialWords.value(found2);
uint ii = 1;
for (i = 1; i < outs.length()-1; ++i)
{
QChar cht = outs[i];
if (cht == '-')
buffer[ii-1] = 1;
else
{
buffer[ii] = 0;
++ii;
}
}
}
it->itemText.hyphenateWord(startC + firstC, found.length(), buffer);
}
else
{
if (specialWords.contains(found2))
{
outs = specialWords.value(found2);
uint ii = 1;
for (i = 1; i < outs.length()-1; ++i)
{
QChar cht = outs[i];
if (cht == '-')
buffer[ii-1] = 1;
else
{
buffer[ii] = 0;
++ii;
}
}
}
if (rememberedWords.contains(input))
{
outs = rememberedWords.value(input);
uint ii = 1;
for (i = 1; i < outs.length()-1; ++i)
{
QChar cht = outs[i];
if (cht == '-')
buffer[ii-1] = 1;
else
{
buffer[ii] = 0;
++ii;
}
}
it->itemText.hyphenateWord(firstC, found.length(), buffer);
}
else
{
qApp->changeOverrideCursor(QCursor(Qt::ArrowCursor));
PrefsContext* prefs = PrefsManager::instance()->prefsFile->getContext("hyhpen_options");
int xpos = prefs->getInt("Xposition", -9999);
int ypos = prefs->getInt("Yposition", -9999);
HyAsk *dia = new HyAsk((QWidget*)parent(), outs);
if ((xpos != -9999) && (ypos != -9999))
dia->move(xpos, ypos);
qApp->processEvents();
if (dia->exec())
{
outs = dia->Wort->text();
uint ii = 1;
for (i = 1; i < outs.length()-1; ++i)
{
QChar cht = outs[i];
if (cht == '-')
buffer[ii-1] = 1;
else
{
buffer[ii] = 0;
++ii;
}
}
if (!rememberedWords.contains(input))
rememberedWords.insert(input, outs);
if (dia->addToIgnoreList->isChecked())
{
if (!ignoredWords.contains(found2))
ignoredWords.insert(found2);
}
if (dia->addToExceptionList->isChecked())
{
if (!specialWords.contains(found2))
specialWords.insert(found2, outs);
}
it->itemText.hyphenateWord(firstC, found.length(), buffer);
}
else
{
free(buffer);
buffer = NULL;
prefs->set("Xposition", dia->xpos);
prefs->set("Yposition", dia->ypos);
delete dia;
break;
}
prefs->set("Xposition", dia->xpos);
prefs->set("Yposition", dia->ypos);
delete dia;
qApp->changeOverrideCursor(QCursor(Qt::WaitCursor));
}
}
}
}
free(buffer);
if (rep)
{
for (int i = 0; i < wordlen - 1; ++i)
if (rep[i])
free(rep[i]);
free(rep);
}
if (pos) free(pos);
if (cut) free(cut);
buffer = NULL;
rep = NULL;
pos = NULL;
cut = NULL;
}
if (Ccount == 0)
Ccount++;
}
qApp->restoreOverrideCursor();
m_doc->DoDrawing = true;
rememberedWords.clear();
}
nsresult
nsHyphenator::Hyphenate(const nsAString& aString,
nsTArray<PRPackedBool>& aHyphens)
{
if (!aHyphens.SetLength(aString.Length())) {
return NS_ERROR_OUT_OF_MEMORY;
}
memset(aHyphens.Elements(), PR_FALSE, aHyphens.Length());
PRBool inWord = PR_FALSE;
PRUint32 wordStart = 0, wordLimit = 0;
for (PRUint32 i = 0; i < aString.Length(); i++) {
PRUnichar ch = aString[i];
nsIUGenCategory::nsUGenCategory cat = mCategories->Get(ch);
if (cat == nsIUGenCategory::kLetter || cat == nsIUGenCategory::kMark) {
if (!inWord) {
inWord = PR_TRUE;
wordStart = i;
}
wordLimit = i + 1;
if (i < aString.Length() - 1) {
continue;
}
}
if (inWord) {
NS_ConvertUTF16toUTF8 utf8(aString.BeginReading() + wordStart,
wordLimit - wordStart);
nsAutoTArray<char,200> utf8hyphens;
utf8hyphens.SetLength(utf8.Length() + 5);
char **rep = nsnull;
int *pos = nsnull;
int *cut = nsnull;
int err = hnj_hyphen_hyphenate2((HyphenDict*)mDict,
utf8.BeginReading(), utf8.Length(),
utf8hyphens.Elements(), nsnull,
&rep, &pos, &cut);
if (!err) {
PRUint32 utf16offset = wordStart;
const char *cp = utf8.BeginReading();
while (cp < utf8.EndReading()) {
if (UTF8traits::isASCII(*cp)) { // single-byte utf8 char
cp++;
utf16offset++;
} else if (UTF8traits::is2byte(*cp)) { // 2-byte sequence
cp += 2;
utf16offset++;
} else if (UTF8traits::is3byte(*cp)) { // 3-byte sequence
cp += 3;
utf16offset++;
} else { // must be a 4-byte sequence (no need to check validity,
// as this was just created with NS_ConvertUTF16toUTF8)
NS_ASSERTION(UTF8traits::is4byte(*cp), "unexpected utf8 byte");
cp += 4;
utf16offset += 2;
}
NS_ASSERTION(cp <= utf8.EndReading(), "incomplete utf8 string?");
NS_ASSERTION(utf16offset <= aString.Length(), "length mismatch?");
if (utf8hyphens[cp - utf8.BeginReading() - 1] & 0x01) {
aHyphens[utf16offset - 1] = PR_TRUE;
}
}
}
}
inWord = PR_FALSE;
}
return NS_OK;
}
