/**
*******************************************************************************
* Copyright (C) 1996-2011, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*/
package com.ibm.icu.text;
import java.io.BufferedInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import com.ibm.icu.impl.ICUBinary;
import com.ibm.icu.impl.ICUData;
import com.ibm.icu.impl.ICUResourceBundle;
import com.ibm.icu.impl.IntTrie;
import com.ibm.icu.lang.UCharacter;
import com.ibm.icu.text.CollationParsedRuleBuilder.InverseUCA;
import com.ibm.icu.text.RuleBasedCollator.LeadByteConstants;
import com.ibm.icu.text.RuleBasedCollator.UCAConstants;
import com.ibm.icu.util.Output;
import com.ibm.icu.util.VersionInfo;
/**
* <p>
* Internal reader class for ICU data file uca.icu containing Unicode Collation Algorithm data.
* </p>
* <p>
* This class simply reads uca.icu, authenticates that it is a valid ICU data file and split its contents up into blocks
* of data for use in <a href=Collator.html>com.ibm.icu.text.Collator</a>.
* </p>
* <p>
* uca.icu which is in big-endian format is jared together with this package.
* </p>
*
* @author Syn Wee Quek
* @since release 2.2, April 18 2002
*/
final class CollatorReader {
static char[] read(RuleBasedCollator rbc, UCAConstants ucac,
LeadByteConstants leadByteConstants, Output<Integer> maxUCAContractionLength)
throws IOException {
InputStream i = ICUData.getRequiredStream(ICUResourceBundle.ICU_BUNDLE + "/coll/ucadata.icu");
BufferedInputStream b = new BufferedInputStream(i, 90000);
CollatorReader reader = new CollatorReader(b);
char[] ucaContractions = reader.readImp(rbc, ucac, leadByteConstants, maxUCAContractionLength);
b.close();
return ucaContractions;
}
public static InputStream makeByteBufferInputStream(final ByteBuffer buf) {
return new InputStream() {
public int read() throws IOException {
if (!buf.hasRemaining()) {
return -1;
}
return buf.get() & 0xff;
}
public int read(byte[] bytes, int off, int len) throws IOException {
len = Math.min(len, buf.remaining());
buf.get(bytes, off, len);
return len;
}
};
}
static void initRBC(RuleBasedCollator rbc, ByteBuffer data) throws IOException {
final int MIN_BINARY_DATA_SIZE_ = (42 + 25) << 2;
int dataLength = data.remaining();
// TODO: Change the rest of this class to use the ByteBuffer directly, rather than
// a DataInputStream, except for passing an InputStream to ICUBinary.readHeader().
// Consider changing ICUBinary to also work with a ByteBuffer.
CollatorReader reader = new CollatorReader(makeByteBufferInputStream(data), false);
if (dataLength > MIN_BINARY_DATA_SIZE_) {
reader.readImp(rbc, null, null, null);
} else {
reader.readHeader(rbc, null);
reader.readOptions(rbc);
// duplicating UCA_'s data
rbc.setWithUCATables();
}
}
static InverseUCA getInverseUCA() throws IOException {
InverseUCA result = null;
InputStream i = ICUData.getRequiredStream(ICUResourceBundle.ICU_BUNDLE + "/coll/invuca.icu");
// try {
// String invdat = "/com/ibm/icu/impl/data/invuca.icu";
// InputStream i = CollationParsedRuleBuilder.class.getResourceAsStream(invdat);
BufferedInputStream b = new BufferedInputStream(i, 110000);
result = CollatorReader.readInverseUCA(b);
b.close();
i.close();
return result;
// } catch (Exception e) {
// throw new RuntimeException(e.getMessage());
// }
}
// protected constructor ---------------------------------------------
/**
* <p>
* Protected constructor.
* </p>
*
* @param inputStream
* ICU collator file input stream
* @exception IOException
* throw if data file fails authentication
*/
private CollatorReader(InputStream inputStream) throws IOException {
this(inputStream, true);
/*
* byte[] UnicodeVersion = ICUBinary.readHeader(inputStream, DATA_FORMAT_ID_, UCA_AUTHENTICATE_); // weiv: check
* that we have the correct Unicode version in // binary files VersionInfo UCDVersion =
* UCharacter.getUnicodeVersion(); if(UnicodeVersion[0] != UCDVersion.getMajor() || UnicodeVersion[1] !=
* UCDVersion.getMinor()) { throw new IOException(WRONG_UNICODE_VERSION_ERROR_); } m_dataInputStream_ = new
* DataInputStream(inputStream);
*/
}
/**
* <p>
* Protected constructor.
* </p>
*
* @param inputStream
* ICU uprops.icu file input stream
* @param readICUHeader
* flag to indicate if the ICU header has to be read
* @exception IOException
* throw if data file fails authentication
*/
private CollatorReader(InputStream inputStream, boolean readICUHeader) throws IOException {
if (readICUHeader) {
byte[] UnicodeVersion = ICUBinary.readHeader(inputStream, DATA_FORMAT_ID_, UCA_AUTHENTICATE_);
// weiv: check that we have the correct Unicode version in
// binary files
VersionInfo UCDVersion = UCharacter.getUnicodeVersion();
if (UnicodeVersion[0] != UCDVersion.getMajor() || UnicodeVersion[1] != UCDVersion.getMinor()) {
throw new IOException(WRONG_UNICODE_VERSION_ERROR_);
}
}
m_dataInputStream_ = new DataInputStream(inputStream);
}
// protected methods -------------------------------------------------
/**
* Read and break up the header stream of data passed in as arguments into meaningful Collator data.
*
* @param rbc
* RuleBasedCollator to populate with header information
* @exception IOException
* thrown when there's a data error.
*/
private void readHeader(RuleBasedCollator rbc, Output<Integer> maxUCAContractionLength) throws IOException {
m_size_ = m_dataInputStream_.readInt();
// all the offsets are in bytes
// to get the address add to the header address and cast properly
// Default options int options
m_headerSize_ = m_dataInputStream_.readInt(); // start of options
int readcount = 8; // for size and headersize
// structure which holds values for indirect positioning and implicit
// ranges
m_UCAConstOffset_ = m_dataInputStream_.readInt();
readcount += 4;
// this one is needed only for UCA, to copy the appropriate
// contractions
/*int contractionUCACombos =*/ m_dataInputStream_.readInt();
readcount += 4;
// reserved for future use
m_dataInputStream_.skipBytes(4);
readcount += 4;
// const uint8_t *mappingPosition;
int mapping = m_dataInputStream_.readInt();
readcount += 4;
// uint32_t *expansion;
rbc.m_expansionOffset_ = m_dataInputStream_.readInt();
readcount += 4;
// UChar *contractionIndex;
rbc.m_contractionOffset_ = m_dataInputStream_.readInt();
readcount += 4;
// uint32_t *contractionCEs;
int contractionCE = m_dataInputStream_.readInt();
readcount += 4;
// needed for various closures int contractionSize
int contractionSize = m_dataInputStream_.readInt();
readcount += 4;
// array of last collation element in expansion
int expansionEndCE = m_dataInputStream_.readInt();
readcount += 4;
// array of maximum expansion size corresponding to the expansion
// collation elements with last element in expansionEndCE
int expansionEndCEMaxSize = m_dataInputStream_.readInt();
readcount += 4;
// size of endExpansionCE int expansionEndCESize
/* int endExpansionCECount = */m_dataInputStream_.readInt();
readcount += 4;
// hash table of unsafe code points
int unsafe = m_dataInputStream_.readInt();
readcount += 4;
// hash table of final code points in contractions.
int contractionEnd = m_dataInputStream_.readInt();
readcount += 4;
// int CEcount = m_dataInputStream_.readInt();
int contractionUCACombosSize = m_dataInputStream_.readInt();
readcount += 4;
// is jamoSpecial
rbc.m_isJamoSpecial_ = m_dataInputStream_.readBoolean();
readcount++;
// isBigEndian and charSetFamily
m_dataInputStream_.skipBytes(2);
readcount += 2;
int contractionUCACombosWidth = m_dataInputStream_.readByte();
if (maxUCAContractionLength != null) {
maxUCAContractionLength.value = contractionUCACombosWidth;
}
// We want to be able to output this value if it's not 0.
assert contractionUCACombosWidth == 0 || maxUCAContractionLength != null;
readcount += 1;
rbc.m_version_ = readVersion(m_dataInputStream_);
readcount += 4;
rbc.m_UCA_version_ = readVersion(m_dataInputStream_);
readcount += 4;
rbc.m_UCD_version_ = readVersion(m_dataInputStream_);
readcount += 4;
/*VersionInfo formatVersion =*/ readVersion(m_dataInputStream_);
readcount += 4;
rbc.m_scriptToLeadBytes = m_dataInputStream_.readInt();
readcount += 4;
rbc.m_leadByteToScripts = m_dataInputStream_.readInt();
readcount += 4;
// byte charsetName[] = new byte[32]; // for charset CEs
m_dataInputStream_.skipBytes(32);
readcount += 32;
m_dataInputStream_.skipBytes(44); // for future use
readcount += 44;
if (m_headerSize_ < readcount) {
// /CLOVER:OFF
throw new IOException("Internal Error: Header size error");
// /CLOVER:ON
}
m_dataInputStream_.skipBytes(m_headerSize_ - readcount);
if (rbc.m_contractionOffset_ == 0) { // contraction can be null
rbc.m_contractionOffset_ = mapping;
contractionCE = mapping;
}
m_optionSize_ = rbc.m_expansionOffset_ - m_headerSize_;
m_expansionSize_ = rbc.m_contractionOffset_ - rbc.m_expansionOffset_;
m_contractionIndexSize_ = contractionCE - rbc.m_contractionOffset_;
m_contractionCESize_ = mapping - contractionCE;
// m_trieSize_ = expansionEndCE - mapping;
m_expansionEndCESize_ = expansionEndCEMaxSize - expansionEndCE;
m_expansionEndCEMaxSizeSize_ = unsafe - expansionEndCEMaxSize;
m_unsafeSize_ = contractionEnd - unsafe;
// m_UCAValuesSize_ = m_size_ - UCAConst; // UCA value, will be handled later
m_UCAcontractionSize_ = contractionUCACombosSize * contractionUCACombosWidth * 2;
// treat it as normal collator first
// for normal collator there is no UCA contraction
// contractions (UChar[contractionSize] + CE[contractionSize])
m_contractionSize_ = contractionSize * 2 + contractionSize * 4;
rbc.m_contractionOffset_ >>= 1; // casting to ints
rbc.m_expansionOffset_ >>= 2; // casting to chars
}
/**
* Read and break up the collation options passed in the stream of data and update the argument Collator with the
* results
*
* @param rbc
* RuleBasedCollator to populate
* @exception IOException
* thrown when there's a data error.
*/
private void readOptions(RuleBasedCollator rbc) throws IOException {
int readcount = 0;
rbc.m_defaultVariableTopValue_ = m_dataInputStream_.readInt();
readcount += 4;
rbc.m_defaultIsFrenchCollation_ = (m_dataInputStream_.readInt() == RuleBasedCollator.AttributeValue.ON_);
readcount += 4;
rbc.m_defaultIsAlternateHandlingShifted_ = (m_dataInputStream_.readInt() == RuleBasedCollator.AttributeValue.SHIFTED_);
readcount += 4;
rbc.m_defaultCaseFirst_ = m_dataInputStream_.readInt();
readcount += 4;
// rbc.m_defaultIsCaseLevel_ = (m_dataInputStream_.readInt()
// == RuleBasedCollator.AttributeValue.ON_);
int defaultIsCaseLevel = m_dataInputStream_.readInt();
rbc.m_defaultIsCaseLevel_ = (defaultIsCaseLevel == RuleBasedCollator.AttributeValue.ON_);
readcount += 4;
int value = m_dataInputStream_.readInt();
readcount += 4;
if (value == RuleBasedCollator.AttributeValue.ON_) {
value = Collator.CANONICAL_DECOMPOSITION;
} else {
value = Collator.NO_DECOMPOSITION;
}
rbc.m_defaultDecomposition_ = value;
rbc.m_defaultStrength_ = m_dataInputStream_.readInt();
readcount += 4;
rbc.m_defaultIsHiragana4_ = (m_dataInputStream_.readInt() == RuleBasedCollator.AttributeValue.ON_);
readcount += 4;
rbc.m_defaultIsNumericCollation_ = (m_dataInputStream_.readInt() == RuleBasedCollator.AttributeValue.ON_);
readcount += 4;
m_dataInputStream_.skip(60); // reserved for future use
readcount += 60;
m_dataInputStream_.skipBytes(m_optionSize_ - readcount);
if (m_optionSize_ < readcount) {
// /CLOVER:OFF
throw new IOException("Internal Error: Option size error");
// /CLOVER:ON
}
}
/**
* Read and break up the stream of data passed in as arguments into meaningful Collator data.
*
* @param rbc
* RuleBasedCollator to populate
* @param UCAConst
* object to fill up with UCA constants if we are reading the UCA collator, if not use a null
* @param leadByteConstants
* @return UCAContractions array filled up with the UCA contractions if we are reading the UCA collator
* @exception IOException
* thrown when there's a data error.
*/
private char[] readImp(RuleBasedCollator rbc, RuleBasedCollator.UCAConstants UCAConst,
RuleBasedCollator.LeadByteConstants leadByteConstants,
Output<Integer> maxUCAContractionLength) throws IOException {
char ucaContractions[] = null; // return result
readHeader(rbc, maxUCAContractionLength);
// header size has been checked by readHeader
int readcount = m_headerSize_;
// option size has been checked by readOptions
readOptions(rbc);
readcount += m_optionSize_;
m_expansionSize_ >>= 2;
rbc.m_expansion_ = new int[m_expansionSize_];
for (int i = 0; i < m_expansionSize_; i++) {
rbc.m_expansion_[i] = m_dataInputStream_.readInt();
}
readcount += (m_expansionSize_ << 2);
if (m_contractionIndexSize_ > 0) {
m_contractionIndexSize_ >>= 1;
rbc.m_contractionIndex_ = new char[m_contractionIndexSize_];
for (int i = 0; i < m_contractionIndexSize_; i++) {
rbc.m_contractionIndex_[i] = m_dataInputStream_.readChar();
}
readcount += (m_contractionIndexSize_ << 1);
m_contractionCESize_ >>= 2;
rbc.m_contractionCE_ = new int[m_contractionCESize_];
for (int i = 0; i < m_contractionCESize_; i++) {
rbc.m_contractionCE_[i] = m_dataInputStream_.readInt();
}
readcount += (m_contractionCESize_ << 2);
}
rbc.m_trie_ = new IntTrie(m_dataInputStream_, RuleBasedCollator.DataManipulate.getInstance());
if (!rbc.m_trie_.isLatin1Linear()) {
throw new IOException("Data corrupted, " + "Collator Tries expected to have linear "
+ "latin one data arrays");
}
readcount += rbc.m_trie_.getSerializedDataSize();
m_expansionEndCESize_ >>= 2;
rbc.m_expansionEndCE_ = new int[m_expansionEndCESize_];
for (int i = 0; i < m_expansionEndCESize_; i++) {
rbc.m_expansionEndCE_[i] = m_dataInputStream_.readInt();
}
readcount += (m_expansionEndCESize_ << 2);
rbc.m_expansionEndCEMaxSize_ = new byte[m_expansionEndCEMaxSizeSize_];
for (int i = 0; i < m_expansionEndCEMaxSizeSize_; i++) {
rbc.m_expansionEndCEMaxSize_[i] = m_dataInputStream_.readByte();
}
readcount += m_expansionEndCEMaxSizeSize_;
rbc.m_unsafe_ = new byte[m_unsafeSize_];
for (int i = 0; i < m_unsafeSize_; i++) {
rbc.m_unsafe_[i] = m_dataInputStream_.readByte();
}
readcount += m_unsafeSize_;
if (UCAConst != null) {
// we are reading the UCA
// unfortunately the UCA offset in any collator data is not 0 and
// only refers to the UCA data
// m_contractionSize_ -= m_UCAValuesSize_;
m_contractionSize_ = m_UCAConstOffset_ - readcount;
} else {
m_contractionSize_ = m_size_ - readcount;
}
rbc.m_contractionEnd_ = new byte[m_contractionSize_];
for (int i = 0; i < m_contractionSize_; i++) {
rbc.m_contractionEnd_[i] = m_dataInputStream_.readByte();
}
readcount += m_contractionSize_;
if (UCAConst != null) {
UCAConst.FIRST_TERTIARY_IGNORABLE_[0] = m_dataInputStream_.readInt();
int readUCAConstcount = 4;
UCAConst.FIRST_TERTIARY_IGNORABLE_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_TERTIARY_IGNORABLE_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_TERTIARY_IGNORABLE_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.FIRST_PRIMARY_IGNORABLE_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.FIRST_PRIMARY_IGNORABLE_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.FIRST_SECONDARY_IGNORABLE_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.FIRST_SECONDARY_IGNORABLE_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_SECONDARY_IGNORABLE_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_SECONDARY_IGNORABLE_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_PRIMARY_IGNORABLE_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_PRIMARY_IGNORABLE_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.FIRST_VARIABLE_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.FIRST_VARIABLE_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_VARIABLE_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_VARIABLE_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.FIRST_NON_VARIABLE_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.FIRST_NON_VARIABLE_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_NON_VARIABLE_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_NON_VARIABLE_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.RESET_TOP_VALUE_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.RESET_TOP_VALUE_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.FIRST_IMPLICIT_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.FIRST_IMPLICIT_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_IMPLICIT_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_IMPLICIT_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.FIRST_TRAILING_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.FIRST_TRAILING_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_TRAILING_[0] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.LAST_TRAILING_[1] = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.PRIMARY_TOP_MIN_ = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.PRIMARY_IMPLICIT_MIN_ = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.PRIMARY_IMPLICIT_MAX_ = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.PRIMARY_TRAILING_MIN_ = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.PRIMARY_TRAILING_MAX_ = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.PRIMARY_SPECIAL_MIN_ = m_dataInputStream_.readInt();
readUCAConstcount += 4;
UCAConst.PRIMARY_SPECIAL_MAX_ = m_dataInputStream_.readInt();
readUCAConstcount += 4;
readcount += readUCAConstcount;
int resultsize = (rbc.m_scriptToLeadBytes - readcount) / 2;
assert resultsize == m_UCAcontractionSize_ / 2;
ucaContractions = new char[resultsize];
for (int i = 0; i < resultsize; i++) {
ucaContractions[i] = m_dataInputStream_.readChar();
}
readcount += m_UCAcontractionSize_;
}
if (leadByteConstants != null) {
readcount += m_dataInputStream_.skip(rbc.m_scriptToLeadBytes - readcount);
leadByteConstants.read(m_dataInputStream_);
readcount += leadByteConstants.getSerializedDataSize();
}
if (readcount != m_size_) {
// /CLOVER:OFF
throw new IOException("Internal Error: Data file size error");
// /CLOVER:ON
}
return ucaContractions;
}
/**
* Reads in the inverse uca data
*
* @param input
* input stream with the inverse uca data
* @return an object containing the inverse uca data
* @exception IOException
* thrown when error occurs while reading the inverse uca
*/
private static CollationParsedRuleBuilder.InverseUCA readInverseUCA(InputStream inputStream) throws IOException {
byte[] UnicodeVersion = ICUBinary.readHeader(inputStream, INVERSE_UCA_DATA_FORMAT_ID_,
INVERSE_UCA_AUTHENTICATE_);
// weiv: check that we have the correct Unicode version in
// binary files
VersionInfo UCDVersion = UCharacter.getUnicodeVersion();
if (UnicodeVersion[0] != UCDVersion.getMajor() || UnicodeVersion[1] != UCDVersion.getMinor()) {
throw new IOException(WRONG_UNICODE_VERSION_ERROR_);
}
CollationParsedRuleBuilder.InverseUCA result = new CollationParsedRuleBuilder.InverseUCA();
DataInputStream input = new DataInputStream(inputStream);
input.readInt(); // bytesize
int tablesize = input.readInt(); // in int size
int contsize = input.readInt(); // in char size
input.readInt(); // table in bytes
input.readInt(); // conts in bytes
result.m_UCA_version_ = readVersion(input);
input.skipBytes(8); // skip padding
int size = tablesize * 3; // one column for each strength
result.m_table_ = new int[size];
result.m_continuations_ = new char[contsize];
for (int i = 0; i < size; i++) {
result.m_table_[i] = input.readInt();
}
for (int i = 0; i < contsize; i++) {
result.m_continuations_[i] = input.readChar();
}
input.close();
return result;
}
/**
* Reads four bytes from the input and returns a VersionInfo object. Use it to read different collator versions.
*
* @param input
* already instantiated DataInputStream, positioned at the start of four version bytes
* @return a ready VersionInfo object
* @throws IOException
* thrown when error occurs while reading version bytes
*/
protected static VersionInfo readVersion(DataInputStream input) throws IOException {
byte[] version = new byte[4];
version[0] = input.readByte();
version[1] = input.readByte();
version[2] = input.readByte();
version[3] = input.readByte();
VersionInfo result = VersionInfo.getInstance((int) version[0], (int) version[1], (int) version[2],
(int) version[3]);
return result;
}
// private inner class -----------------------------------------------
// private variables -------------------------------------------------
/**
* Authenticate uca data format version
*/
private static final ICUBinary.Authenticate UCA_AUTHENTICATE_ = new ICUBinary.Authenticate() {
public boolean isDataVersionAcceptable(byte version[]) {
return version[0] == DATA_FORMAT_VERSION_[0] && version[1] >= DATA_FORMAT_VERSION_[1];
// Too harsh
// && version[1] == DATA_FORMAT_VERSION_[1]
// && version[2] == DATA_FORMAT_VERSION_[2]
// && version[3] == DATA_FORMAT_VERSION_[3];
}
};
/**
* Authenticate uca data format version
*/
private static final ICUBinary.Authenticate INVERSE_UCA_AUTHENTICATE_ = new ICUBinary.Authenticate() {
public boolean isDataVersionAcceptable(byte version[]) {
return version[0] == INVERSE_UCA_DATA_FORMAT_VERSION_[0]
&& version[1] >= INVERSE_UCA_DATA_FORMAT_VERSION_[1];
}
};
/**
* Data input stream for uca.icu
*/
private DataInputStream m_dataInputStream_;
/**
* File format version and id that this class understands. No guarantees are made if a older version is used
*/
private static final byte DATA_FORMAT_VERSION_[] = { (byte) 0x3, (byte) 0x0, (byte) 0x0, (byte) 0x0 };
private static final byte DATA_FORMAT_ID_[] = { (byte) 0x55, (byte) 0x43, (byte) 0x6f, (byte) 0x6c };
/**
* Inverse UCA file format version and id that this class understands. No guarantees are made if a older version is
* used
*/
private static final byte INVERSE_UCA_DATA_FORMAT_VERSION_[] = { (byte) 0x2, (byte) 0x1, (byte) 0x0, (byte) 0x0 };
private static final byte INVERSE_UCA_DATA_FORMAT_ID_[] = { (byte) 0x49, (byte) 0x6e, (byte) 0x76, (byte) 0x43 };
/**
* Wrong unicode version error string
*/
private static final String WRONG_UNICODE_VERSION_ERROR_ = "Unicode version in binary image is not compatible with the current Unicode version";
/**
* Size of expansion table in bytes
*/
private int m_expansionSize_;
/**
* Size of contraction index table in bytes
*/
private int m_contractionIndexSize_;
/**
* Size of contraction table in bytes
*/
private int m_contractionCESize_;
/*
* Size of the Trie in bytes
*/
// private int m_trieSize_;
/**
* Size of the table that contains information about collation elements that end with an expansion
*/
private int m_expansionEndCESize_;
/**
* Size of the table that contains information about the maximum size of collation elements that end with a
* particular expansion CE corresponding to the ones in expansionEndCE
*/
private int m_expansionEndCEMaxSizeSize_;
/**
* Size of the option table that contains information about the collation options
*/
private int m_optionSize_;
/**
* Size of the whole data file minusing the ICU header
*/
private int m_size_;
/**
* Size of the collation data header
*/
private int m_headerSize_;
/**
* Size of the table that contains information about the "Unsafe" codepoints
*/
private int m_unsafeSize_;
/**
* Size in bytes of the table that contains information about codepoints that ends with a contraction
*/
private int m_contractionSize_;
/**
* Size of the table that contains UCA contraction information in bytes
*/
private int m_UCAcontractionSize_;
/**
* Offset of the UCA Const
*/
private int m_UCAConstOffset_;
// private methods ---------------------------------------------------
}