/*
*******************************************************************************
* Copyright (C) 1998-2004, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*
* Created on Dec 09, 2003
*
*******************************************************************************
*/
package com.ibm.icu.dev.tool.layout;
import com.ibm.icu.impl.Utility;
import java.io.PrintStream;
public class ThaiCharacterClasses
{
public static final int NON = 0;
public static final int CON = 1;
public static final int COA = 2;
public static final int COD = 3;
public static final int LVO = 4;
public static final int FV1 = 5;
public static final int FV2 = 6;
public static final int FV3 = 7;
public static final int BV1 = 8;
public static final int BV2 = 9;
public static final int BDI = 10;
public static final int TON = 11;
public static final int AD1 = 12;
public static final int AD2 = 13;
public static final int AD3 = 14;
public static final int NIK = 15;
public static final int AV1 = 16;
public static final int AV2 = 17;
public static final int AV3 = 18;
public static final int cCount = 19;
// Indexed by unicode - '\u0E00'
// FIXME: MS Fonts - Should 0E2E has no ascender (it does in WT font)
// FIXME: MS Fonts - 0E47 (MAITAIKHU) and 0E4D (NIKHAHIT) only have vowel forms
// FIXME: MS Fonts - 0E4E (YAMAKKAN) only has one form
private static final int classTable[] = {
// 0 1 2 3 4 5 6 7 8 9 A B C D E F
// -------------------------------------------------------------------------------
/*0E00*/ NON, CON, CON, CON, CON, CON, CON, CON, CON, CON, CON, CON, CON, COD, COD, COD,
/*0E10*/ COD, CON, CON, CON, CON, CON, CON, CON, CON, CON, CON, COA, CON, COA, CON, COA,
/*0E20*/ CON, CON, CON, CON, FV3, CON, FV3, CON, CON, CON, CON, CON, CON, CON, CON, NON,
/*0E30*/ FV1, AV2, FV1, FV1, AV1, AV3, AV2, AV3, BV1, BV2, BDI, NON, NON, NON, NON, NON,
/*0E40*/ LVO, LVO, LVO, LVO, LVO, FV2, NON, AD2, TON, TON, TON, TON, AD1, NIK, AD3, NON,
/*0E50*/ NON, NON, NON, NON, NON, NON, NON, NON, NON, NON, NON, NON
};
private static String[] classNames =
{
"NON",
"CON",
"COA",
"COD",
"LVO",
"FV1",
"FV2",
"FV3",
"BV1",
"BV2",
"BDI",
"TON",
"AD1",
"AD2",
"AD3",
"NIK",
"AV1",
"AV2",
"AV3"
};
private static final char pairTable[][] = {
//------------------------------------------------------------------------------------------------
// N C C C L F F F B B B T A A A N A A A
// O O O O V V V V V V D O D D D I V V V
// N N A D O 1 2 3 1 2 I N 1 2 3 K 1 2 3
//------------------------------------------------------------------------------------------------
/*NON*/ {'A', 'A', 'A', 'A', 'A', 'S', 'S', 'A', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R'},
/*CON*/ {'A', 'A', 'A', 'A', 'A', 'A', 'S', 'A', 'C', 'C', 'C', 'E', 'E', 'E', 'C', 'E', 'C', 'C', 'C'},
/*COA*/ {'A', 'A', 'A', 'A', 'A', 'A', 'S', 'A', 'C', 'C', 'C', 'F', 'F', 'F', 'D', 'F', 'D', 'D', 'D'},
/*COD*/ {'A', 'A', 'A', 'A', 'A', 'A', 'S', 'A', 'H', 'H', 'H', 'E', 'E', 'E', 'C', 'E', 'C', 'C', 'C'},
/*LVO*/ {'S', 'A', 'A', 'A', 'S', 'S', 'S', 'S', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R'},
/*FV1*/ {'S', 'A', 'A', 'A', 'A', 'S', 'S', 'A', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R'},
/*FV2*/ {'A', 'A', 'A', 'A', 'A', 'A', 'S', 'A', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R'},
/*FV3*/ {'A', 'A', 'A', 'A', 'A', 'S', 'A', 'S', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R'},
/*BV1*/ {'A', 'A', 'A', 'A', 'A', 'S', 'S', 'A', 'R', 'R', 'R', 'E', 'E', 'R', 'R', 'E', 'R', 'R', 'R'},
/*BV2*/ {'A', 'A', 'A', 'A', 'A', 'S', 'S', 'A', 'R', 'R', 'R', 'E', 'R', 'R', 'R', 'R', 'R', 'R', 'R'},
/*BDI*/ {'A', 'A', 'A', 'A', 'A', 'S', 'S', 'A', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R'},
/*TON*/ {'A', 'A', 'A', 'A', 'A', 'I', 'A', 'A', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R'},
/*AD1*/ {'A', 'A', 'A', 'A', 'A', 'S', 'S', 'A', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R'},
/*AD2*/ {'A', 'A', 'A', 'A', 'A', 'S', 'S', 'A', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R'},
/*AD3*/ {'A', 'A', 'A', 'A', 'A', 'S', 'S', 'A', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R', 'R'},
/*NIK*/ {'A', 'A', 'A', 'A', 'A', 'S', 'S', 'A', 'R', 'R', 'R', 'G', 'G', 'R', 'R', 'R', 'R', 'R', 'R'},
/*AV1*/ {'A', 'A', 'A', 'A', 'A', 'S', 'S', 'A', 'R', 'R', 'R', 'G', 'G', 'R', 'R', 'G', 'R', 'R', 'R'},
/*AV2*/ {'A', 'A', 'A', 'A', 'A', 'S', 'S', 'A', 'R', 'R', 'R', 'G', 'R', 'R', 'R', 'R', 'R', 'R', 'R'},
/*AV3*/ {'A', 'A', 'A', 'A', 'A', 'S', 'S', 'A', 'R', 'R', 'R', 'G', 'R', 'G', 'R', 'R', 'R', 'R', 'R'}
};
public static int getCharClass(char ch)
{
int charClass = NON;
if (ch >= '\u0E00' && ch <= '\u0E5B') {
charClass = classTable[ch - '\u0E00'];
}
return charClass;
}
public static String getClassName(int classID)
{
if (classID < 0 || classID >= cCount) {
return "***";
}
return classNames[classID];
}
public static char getPairAction(int prevClass, int currClass)
{
if (prevClass < 0 || prevClass >= cCount |
currClass < 0 || currClass >= cCount) {
return 'A';
}
return pairTable[prevClass][currClass];
}
private static String classTableHeader =
"const le_uint8 ThaiShaping::classTable[] = {\n" +
" // 0 1 2 3 4 5 6 7 8 9 A B C D E F\n" +
" // -------------------------------------------------------------------------------";
public static void writeClassTable(PrintStream output)
{
System.out.print("Writing class table...");
output.print(classTableHeader);
for (char ch = '\u0E00'; ch <= '\u0E5B'; ch += 1) {
int charClass = getCharClass(ch);
if ((ch & 0x000F) == 0) {
output.print("\n /*" + Utility.hex(ch, 4) + "*/ ");
}
output.print(getClassName(charClass));
if (ch < '\u0E5B') {
output.print(", ");
} else {
output.print("\n};\n\n");
}
}
System.out.println(" done.");
}
}
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