static jboolean Character_isTitleCaseImpl(JNIEnv*, jclass, jint codePoint) {
return u_istitle(codePoint);
}
//static jboolean Character_isTitleCaseImpl(JNIEnv*, jclass, jint codePoint) {
JNIEXPORT jboolean JNICALL
Java_java_lang_Character_isTitleCaseImpl(JNIEnv*, jclass, jint codePoint) {
return u_istitle(codePoint);
}
symbol_type operator()(const symbol_type& symbol) const
{
const std::string& word = static_cast<const std::string&>(symbol);
icu::UnicodeString uword = icu::UnicodeString::fromUTF8(icu::StringPiece(word.data(), word.size()));
std::string signature = "<unk";
// signature for English, taken from Stanford parser's getSignature5
int num_caps = 0;
bool has_digit = false;
bool has_dash = false;
bool has_lower = false;
bool has_punct = false;
bool has_symbol = false;
size_t length = 0;
UChar32 ch0 = 0;
UChar32 ch_1 = 0;
UChar32 ch_2 = 0;
icu::StringCharacterIterator iter(uword);
for (iter.setToStart(); iter.hasNext(); ++ length) {
const UChar32 ch = iter.next32PostInc();
// keep initial char...
if (ch0 == 0)
ch0 = ch;
ch_2 = ch_1;
ch_1 = ch;
const int32_t gc = u_getIntPropertyValue(ch, UCHAR_GENERAL_CATEGORY_MASK);
has_dash |= ((gc & U_GC_PD_MASK) != 0);
has_punct |= ((gc & U_GC_P_MASK) != 0);
has_symbol |= ((gc & U_GC_S_MASK) != 0);
has_digit |= (u_getNumericValue(ch) != U_NO_NUMERIC_VALUE);
if (u_isUAlphabetic(ch)) {
if (u_isULowercase(ch))
has_lower = true;
else if (u_istitle(ch)) {
has_lower = true;
++ num_caps;
} else
++ num_caps;
}
}
// transform into lower...
uword.toLower();
ch_2 = (ch_2 ? u_tolower(ch_2) : ch_2);
ch_1 = (ch_1 ? u_tolower(ch_1) : ch_1);
// we do not check loc...
if (u_isUUppercase(ch0) || u_istitle(ch0))
signature += "-caps";
else if (! u_isUAlphabetic(ch0) && num_caps)
signature += "-caps";
else if (has_lower)
signature += "-lc";
if (has_digit)
signature += "-num";
if (has_dash)
signature += "-dash";
if (has_punct)
signature += "-punct";
if (has_symbol)
signature += "-sym";
if (length >= 3 && ch_1 == 's') {
if (ch_2 != 's' && ch_2 != 'i' && ch_2 != 'u')
signature += "-s";
} else if (length >= 5 && ! has_dash && ! (has_digit && num_caps > 0)) {
if (uword.endsWith("ed"))
signature += "-ed";
else if (uword.endsWith("ing"))
signature += "-ing";
else if (uword.endsWith("ion"))
signature += "-ion";
else if (uword.endsWith("er"))
signature += "-er";
else if (uword.endsWith("est"))
signature += "-est";
else if (uword.endsWith("ly"))
signature += "-ly";
else if (uword.endsWith("ity"))
signature += "-ity";
else if (uword.endsWith("y"))
signature += "-y";
else if (uword.endsWith("al"))
signature += "-al";
}
signature += '>';
return signature;
}
jboolean fastiva_vm_Character_C$__isTitleCaseImpl(jint codePoint) {
return u_istitle(codePoint);
}
// Determines whether the specified code point is a titlecase letter.
// True for general category "Lt" (titlecase letter).
bool
BUnicodeChar::IsTitle(uint32 c)
{
BUnicodeChar();
return u_istitle(c);
}