/* {{{
* returns the position of a singleton if present
* returns -1 if no singleton
* strtok equivalent search for singleton
*/
static int getSingletonPos(char* str)
{
int result =-1;
int i=0;
int len = 0;
if( str && ((len=strlen(str))>0) ){
for( i=0; i<len ; i++){
if( isIDSeparator(*(str+i)) ){
if( i==1){
/* string is of the form x-avy or a-prv1 */
result =0;
break;
} else {
/* delimiter found; check for singleton */
if( isIDSeparator(*(str+i+2)) ){
/* a singleton; so send the position of separator before singleton */
result = i+1;
break;
}
}
}
}/* end of for */
}
return result;
}
static int singleton_pos(const String& str) {
auto len = str.size();
for (int i = 0; i < (len - 2); ++i) {
if (!isIDSeparator(str[i])) continue;
if (i == 1) return 0;
if (isIDSeparator(str[i+2])) return i+1;
}
return -1;
}
static String locale_suffix_strip(const String& locale) {
for (int i = locale.size(); i >= 0; --i) {
if (isIDSeparator(locale[i])) {
if ((i>=2) && isIDSeparator(locale[i-2])) {
return f_substr(locale, 0, i - 2);
} else {
return f_substr(locale, 0, i);
}
}
}
return null_string;
}
static void add_array_entry(Array& ret,
const String& locname,
LocaleTag tag) {
Variant val;
if (tag == LOC_PRIVATE) {
val = get_private_subtags(locname);
} else {
val = get_icu_value(locname, tag, true);
}
if (val.isNull()) return;
String strval = val.toString();
if (strval.empty()) {
return;
}
auto name = LocaleName(tag);
if ((tag != LOC_PRIVATE) && (tag != LOC_VARIANT)) {
ret.set(name, strval);
return;
}
const char *s = strval.c_str(), *e = s + strval.size(), *p;
int cnt;
for (cnt = 0, p = s; p < e; ++p) {
if (!isIDSeparator(*p)) continue;
if ((p - s) > 1) {
ret.set(name + String(cnt++), String(s, p - s, CopyString));
}
s = p + 1;
}
if ((e - s) > 1) {
ret.set(name + String(cnt++), String(s, e - s, CopyString));
}
}
/* {{{
* returns the position of next token for lookup
* or -1 if no token
* strtokr equivalent search for token in reverse direction
*/
static int getStrrtokenPos(char* str, int savedPos)
{
int result =-1;
int i;
for(i=savedPos-1; i>=0; i--) {
if(isIDSeparator(*(str+i)) ){
/* delimiter found; check for singleton */
if(i>=2 && isIDSeparator(*(str+i-2)) ){
/* a singleton; so send the position of token before the singleton */
result = i-2;
} else {
result = i;
}
break;
}
}
if(result < 1){
/* Just in case inavlid locale e.g. '-x-xyz' or '-sl_Latn' */
result =-1;
}
return result;
}
static Array HHVM_STATIC_METHOD(Locale, getAllVariants, const String& locale) {
Variant val = get_icu_value(localeOrDefault(locale), LOC_VARIANT);
String strval = val.toString();
if (strval.empty()) {
return null_array;
}
Array ret = Array::Create();
const char *s = strval.c_str(), *e = s + strval.size(), *p;
for (p = s; p < e; ++p) {
if (!isIDSeparator(*p)) continue;
if ((p - s) <= 1) {
return ret;
}
ret.append(String(s, p - s, CopyString));
s = p + 1;
}
if ((e - s) > 1) {
ret.append(String(s, e - s, CopyString));
}
return ret;
}
