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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.language.simple;
import com.yahoo.language.process.TokenType;
/**
* @author arnej27959
*/
public class SimpleTokenType {
public static TokenType valueOf(int codePoint) {
switch (Character.getType(codePoint)) {
case Character.NON_SPACING_MARK:
// "combining grave accent"
// and "DEVANAGARI VOWEL SIGN SHORT E" etc
// (letter-like)
case Character.COMBINING_SPACING_MARK:
// "DEVANAGARI VOWEL SIGN SHORT O"
// and similar (letter-like)
case Character.LETTER_NUMBER:
// "SMALL ROMAN NUMERAL SIX" etc (letter-like)
case Character.UPPERCASE_LETTER:
case Character.LOWERCASE_LETTER:
case Character.TITLECASE_LETTER:
case Character.MODIFIER_LETTER:
case Character.OTHER_LETTER:
return TokenType.ALPHABETIC;
case Character.ENCLOSING_MARK:
// "enclosing circle" etc is symbol-like
case Character.MATH_SYMBOL:
case Character.CURRENCY_SYMBOL:
case Character.MODIFIER_SYMBOL:
case Character.OTHER_SYMBOL:
return TokenType.SYMBOL;
case Character.OTHER_NUMBER:
// "SUPERSCRIPT TWO",
// "DINGBAT CIRCLED SANS-SERIF DIGIT THREE"
// and more numbers that should mostly normalize
// to digits
case Character.DECIMAL_DIGIT_NUMBER:
return TokenType.NUMERIC;
case Character.SPACE_SEPARATOR:
case Character.LINE_SEPARATOR:
case Character.PARAGRAPH_SEPARATOR:
return TokenType.SPACE;
case Character.DASH_PUNCTUATION:
case Character.START_PUNCTUATION:
case Character.END_PUNCTUATION:
case Character.CONNECTOR_PUNCTUATION:
case Character.OTHER_PUNCTUATION:
case Character.INITIAL_QUOTE_PUNCTUATION:
case Character.FINAL_QUOTE_PUNCTUATION:
return TokenType.PUNCTUATION;
case Character.CONTROL:
case Character.FORMAT:
case Character.SURROGATE:
case Character.PRIVATE_USE:
case Character.UNASSIGNED:
return TokenType.UNKNOWN;
}
throw new UnsupportedOperationException(String.valueOf(Character.getType(codePoint)));
}
}
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