net.sf.saxon.codenorm

Class NormalizerData

java.lang.Object

net.sf.saxon.codenorm.NormalizerData

public class NormalizerData
extends Object

Accesses the Normalization Data used for Forms C and D.
Copyright © 1998-1999 Unicode, Inc. All Rights Reserved.
The Unicode Consortium makes no expressed or implied warranty of any kind, and assumes no liability for errors or omissions. No liability is assumed for incidental and consequential damages in connection with or arising out of the use of the information here.

Author:

Mark Davis

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static String	copyright
static int	NOT_COMPOSITE Constant for use in getPairwiseComposition

Constructor Summary

Constructors

Constructor and Description
NormalizerData(IntToIntHashMap canonicalClass, IntHashMap decompose, IntToIntHashMap compose, BitSet isCompatibility, BitSet isExcluded) Only accessed by NormalizerBuilder.

Method Summary

Modifier and Type	Method and Description
int	getCanonicalClass(int ch) Gets the combining class of a character from the Unicode Character Database.
(package private) boolean	getExcluded(char ch) Just accessible for testing.
char	getPairwiseComposition(int first, int second) Returns the composite of the two characters.
(package private) String	getRawDecompositionMapping(char ch) Just accessible for testing.
void	getRecursiveDecomposition(boolean canonical, int ch, StringBuffer buffer) Gets recursive decomposition of a character from the Unicode Character Database.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

copyright

static final String copyright

See Also:

Constant Field Values

NOT_COMPOSITE

public static final int NOT_COMPOSITE

Constant for use in getPairwiseComposition

See Also:

Constant Field Values

Constructor Detail

NormalizerData

NormalizerData(IntToIntHashMap canonicalClass,
               IntHashMap decompose,
               IntToIntHashMap compose,
               BitSet isCompatibility,
               BitSet isExcluded)

Only accessed by NormalizerBuilder.

Method Detail

getCanonicalClass

public int getCanonicalClass(int ch)

Gets the combining class of a character from the Unicode Character Database.

Parameters:

ch - the source character

Returns:

value from 0 to 255

getPairwiseComposition

public char getPairwiseComposition(int first,
                                   int second)

Returns the composite of the two characters. If the two characters don't combine, returns NOT_COMPOSITE. Only has to worry about BMP characters, since those are the only ones that can ever compose.

Parameters:

first - first character (e.g. 'c')

second - second character (e.g. '¸' cedilla)

Returns:

composite (e.g. 'ç')

getRecursiveDecomposition

public void getRecursiveDecomposition(boolean canonical,
                                      int ch,
                                      StringBuffer buffer)

Gets recursive decomposition of a character from the Unicode Character Database.

Parameters:

canonical - If true bit is on in this byte, then selects the recursive canonical decomposition, otherwise selects the recursive compatibility and canonical decomposition.

ch - the source character

buffer - buffer to be filled with the decomposition

getExcluded

boolean getExcluded(char ch)

Just accessible for testing.

getRawDecompositionMapping

String getRawDecompositionMapping(char ch)

Just accessible for testing.