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 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package java.lang;

abstract class CharacterData {
 abstract int getProperties(int ch);
 abstract int getType(int ch);
 abstract boolean isWhitespace(int ch);
 abstract boolean isMirrored(int ch);
 abstract boolean isJavaIdentifierStart(int ch);
 abstract boolean isJavaIdentifierPart(int ch);
 abstract boolean isUnicodeIdentifierStart(int ch);
 abstract boolean isUnicodeIdentifierPart(int ch);
 abstract boolean isIdentifierIgnorable(int ch);
 abstract int toLowerCase(int ch);
 abstract int toUpperCase(int ch);
 abstract int toTitleCase(int ch);
 abstract int digit(int ch, int radix);
 abstract int getNumericValue(int ch);
 abstract byte getDirectionality(int ch);

 //need to implement for JSR204
 int toUpperCaseEx(int ch) {
 return toUpperCase(ch);
 }

 char[] toUpperCaseCharArray(int ch) {
 return null;
 }

 boolean isOtherLowercase(int ch) {
 return false;
 }

 boolean isOtherUppercase(int ch) {
 return false;
 }

 boolean isOtherAlphabetic(int ch) {
 return false;
 }

 boolean isIdeographic(int ch) {
 return false;
 }

 // Character <= 0xff (basic latin) is handled by internal fast-path
 // to avoid initializing large tables.
 // Note: performance of this "fast-path" code may be sub-optimal
 // in negative cases for some accessors due to complicated ranges.
 // Should revisit after optimization of table initialization.

 static final CharacterData of(int ch) {
 if (ch >>> 8 == 0) { // fast-path
 return CharacterDataLatin1.instance;
 } else {
 switch(ch >>> 16) { //plane 00-16
 case(0):
 return CharacterData00.instance;
 case(1):
 return CharacterData01.instance;
 case(2):
 return CharacterData02.instance;
 case(14):
 return CharacterData0E.instance;
 case(15): // Private Use
 case(16): // Private Use
 return CharacterDataPrivateUse.instance;
 default:
 return CharacterDataUndefined.instance;
 }
 }
 }
}