add internal api: _unicode_normalize_script

This commit is contained in:
Vincent Wei
2019-03-12 19:00:30 +08:00
parent 64ddca1e2f
commit 2c5ddd93cb
3 changed files with 31 additions and 1 deletions
+25
View File
@@ -289,5 +289,30 @@ int GUIAPI UCharScriptTypeFromISO15924 (Uint32 iso15924)
return UCHAR_SCRIPT_UNKNOWN;
}
/*
* https://www.w3.org/TR/css-text-3/#script-tagging
*/
UCharScriptType _unicode_normalize_script(LanguageCode cl,
UCharScriptType ws)
{
if (cl == LANGCODE_zh && ws == UCHAR_SCRIPT_INVALID_CODE) {
return UCHAR_SCRIPT_HAN;
}
else if (ws == UCHAR_SCRIPT_BOPOMOFO) {
return UCHAR_SCRIPT_HAN;
}
else if (cl == LANGCODE_ja && ws == UCHAR_SCRIPT_INVALID_CODE) {
return UCHAR_SCRIPT_KATAKANA;
}
else if (cl == LANGCODE_ko && ws == UCHAR_SCRIPT_INVALID_CODE) {
return UCHAR_SCRIPT_HANGUL;
}
else if (cl == LANGCODE_unknown || ws == UCHAR_SCRIPT_INVALID_CODE) {
return UCHAR_SCRIPT_INVALID_CODE;
}
return ws;
}
#endif /* _MGCHARSET_UNICODE */