--- a/jdk/src/share/classes/com/sun/inputmethods/internal/thaiim/ThaiRules.java Mon Jun 07 17:09:52 2010 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,348 +0,0 @@
-/*
- * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.inputmethods.internal.thaiim;
-
-import java.awt.im.InputMethodRequests;
-
-public class ThaiRules {
-
- public static final char BASE = 0x0e00;
-
- public static final byte NON = 0;
- public static final byte CONS = 1;
- public static final byte LV = 2;
- public static final byte FV1 = 3;
- public static final byte FV2 = 4;
- public static final byte FV3 = 5;
- public static final byte FV4 = 6;
- /* Note that FV4 is added. It is not in WTT.
- * We need it for SARA AM since it has a
- * weired characteristic to share the same
- * cell with whatever consonant preceeds it.
- */
- public static final byte BV1 = 7;
- public static final byte BV2 = 8;
- public static final byte BD = 9;
- public static final byte TONE = 10;
- public static final byte AD1 = 11;
- public static final byte AD2 = 12;
- public static final byte AD3 = 13;
- public static final byte AV1 = 14;
- public static final byte AV2 = 15;
- public static final byte AV3 = 16;
-
- /**
- * Constants for validity checking and auto correction
- */
- public static final byte STRICT = 0;
- public static final byte LOOSE = 1;
- public static final byte NOREPLACE = 2;
-
- public static final byte[] CHARTYPE = {
- /* 0e00 UNUSED */ NON,
- /* THAI CHARACTER KO KAI */ CONS,
- /* THAI CHARACTER KHO KHAI */ CONS,
- /* THAI CHARACTER KHO KHUAT */ CONS,
- /* THAI CHARACTER KHO KHWAI */ CONS,
- /* THAI CHARACTER KHO KHON */ CONS,
- /* THAI CHARACTER KHO RAKHANG */ CONS,
- /* THAI CHARACTER NGO NGU */ CONS,
- /* THAI CHARACTER CHO CHAN */ CONS,
- /* THAI CHARACTER CHO CHING */ CONS,
- /* THAI CHARACTER CHO CHANG */ CONS,
- /* THAI CHARACTER SO SO */ CONS,
- /* THAI CHARACTER CHO CHOE */ CONS,
- /* THAI CHARACTER YO YING */ CONS,
- /* THAI CHARACTER DO CHADA */ CONS,
- /* THAI CHARACTER TO PATAK */ CONS,
- /* THAI CHARACTER THO THAN */ CONS,
- /* THAI CHARACTER THO NANGMONTHO */ CONS,
- /* THAI CHARACTER THO PHUTHAO */ CONS,
- /* THAI CHARACTER NO NEN */ CONS,
- /* THAI CHARACTER DO DEK */ CONS,
- /* THAI CHARACTER TO TAO */ CONS,
- /* THAI CHARACTER THO THUNG */ CONS,
- /* THAI CHARACTER THO THAHAN */ CONS,
- /* THAI CHARACTER THO THONG */ CONS,
- /* THAI CHARACTER NO NU */ CONS,
- /* THAI CHARACTER BO BAIMAI */ CONS,
- /* THAI CHARACTER PO PLA */ CONS,
- /* THAI CHARACTER PHO PHUNG */ CONS,
- /* THAI CHARACTER FO FA */ CONS,
- /* THAI CHARACTER PHO PHAN */ CONS,
- /* THAI CHARACTER FO FAN */ CONS,
- /* THAI CHARACTER PHO SAMPHAO */ CONS,
- /* THAI CHARACTER MO MA */ CONS,
- /* THAI CHARACTER YO YAK */ CONS,
- /* THAI CHARACTER RO RUA */ CONS,
- /* THAI CHARACTER RU */ FV3,
- /* THAI CHARACTER LO LING */ CONS,
- /* THAI CHARACTER LU */ FV3,
- /* THAI CHARACTER WO WAEN */ CONS,
- /* THAI CHARACTER SO SALA */ CONS,
- /* THAI CHARACTER SO RUSI */ CONS,
- /* THAI CHARACTER SO SUA */ CONS,
- /* THAI CHARACTER HO HIP */ CONS,
- /* THAI CHARACTER LO CHULA */ CONS,
- /* THAI CHARACTER O ANG */ CONS,
- /* THAI CHARACTER HO NOKHUK */ CONS,
- /* THAI CHARACTER PAIYANNOI */ NON,
- /* THAI CHARACTER SARA A */ FV1,
- /* THAI CHARACTER MAI HAN-AKAT */ AV2,
- /* THAI CHARACTER SARA AA */ FV1,
- /* THAI CHARACTER SARA AM */ FV4,
- /* THAI CHARACTER SARA I */ AV1,
- /* THAI CHARACTER SARA II */ AV3,
- /* THAI CHARACTER SARA UE */ AV2,
- /* THAI CHARACTER SARA UEE */ AV3,
- /* THAI CHARACTER SARA U */ BV1,
- /* THAI CHARACTER SARA UU */ BV2,
- /* THAI CHARACTER PHINTHU */ BD,
- /* 0e3b UNUSED */ NON,
- /* 0e3c UNUSED */ NON,
- /* 0e3d UNUSED */ NON,
- /* 0e3e UNUSED */ NON,
- /* THAI CURRENCY SYMBOL BAHT */ NON,
- /* THAI CHARACTER SARA E */ LV,
- /* THAI CHARACTER SARA AE */ LV,
- /* THAI CHARACTER SARA O */ LV,
- /* THAI CHARACTER SARA AI MAIMUAN */ LV,
- /* THAI CHARACTER SARA AI MAIMALAI */ LV,
- /* THAI CHARACTER LAKKHANGYAO */ FV2,
- /* THAI CHARACTER MAIYAMOK */ NON,
- /* THAI CHARACTER MAITAIKHU */ AD2,
- /* THAI CHARACTER MAI EK */ TONE,
- /* THAI CHARACTER MAI THO */ TONE,
- /* THAI CHARACTER MAI TRI */ TONE,
- /* THAI CHARACTER MAI CHATTAWA */ TONE,
- /* THAI CHARACTER THANTHAKHAT */ AD1,
- /* THAI CHARACTER NIKHAHIT */ AD3,
- /* THAI CHARACTER YAMAKKAN */ AD3,
- /* THAI CHARACTER FONGMAN */ NON,
- /* THAI DIGIT ZERO */ NON,
- /* THAI DIGIT ONE */ NON,
- /* THAI DIGIT TWO */ NON,
- /* THAI DIGIT THREE */ NON,
- /* THAI DIGIT FOUR */ NON,
- /* THAI DIGIT FIVE */ NON,
- /* THAI DIGIT SIX */ NON,
- /* THAI DIGIT SEVEN */ NON,
- /* THAI DIGIT EIGHT */ NON,
- /* THAI DIGIT NINE */ NON,
- /* THAI CHARACTER ANGKHANKHU */ NON,
- /* THAI CHARACTER KHOMUT */ NON
- };
-
- private InputMethodRequests requests;
-
- ThaiRules(InputMethodRequests requests) {
- this.requests = requests;
- }
-
- public static byte getCharType(char c) {
- byte cType;
- int ci = ((int) c) - (int) BASE;
- if (ci < 0 || ci >= CHARTYPE.length)
- cType = NON;
- else
- cType = CHARTYPE[ci];
- return cType;
- }
-
- private static boolean isValid(char c1, char c2, int[] validityArray) {
- return ((validityArray[getCharType(c1)]
- & (1 << getCharType(c2))) != 0);
- }
-
- /**
- * VALIDITY is a bit matrix defining whether one
- * character is allowed to be typed in after the
- * previous one (array index). Determining the
- * validity is done by bit-anding the 2nd char
- * type's mask (obtained by 1 << chartype) with
- * the array element indexed by the first char
- * type. If the result is non-zero, the 2nd
- * character is allowed to follow the first.
- */
-
- /* Please note that the bits in the comment below
- * are displayed least significant bit first.
- * The actual value reflexs this representation
- * when the bits are swapped.
- */
-
- private static final int[] INPUTVALIDITY = {
- /* NON 1110 010 0 0000 0000 0 */ 0x00027,
- /* CONS 1111 111 1 1111 1111 1 */ 0x1ffff,
- /* LV 0100 000 0 0000 0000 0 */ 0x00002,
- /* FV1 1110 010 0 0000 0000 0 */ 0x00027,
- /* FV2 1110 010 0 0000 0000 0 */ 0x00027,
- /* FV3 1110 110 0 0000 0000 0 */ 0x00037,
- /* FV4 1110 010 0 0000 0000 0 */ 0x00027,
- /* BV1 1110 010 0 0011 0000 0 */ 0x00c27,
- /* BV2 1110 010 0 0010 0000 0 */ 0x00427,
- /* BD 1110 010 0 0000 0000 0 */ 0x00027,
- /* TONE 1111 011 0 0000 0000 0 */ 0x0006f,
- /* AD1 1110 010 0 0000 0000 0 */ 0x00027,
- /* AD2 1110 010 0 0000 0000 0 */ 0x00027,
- /* AD3 1110 010 0 0000 0000 0 */ 0x00027,
- /* AV1 1110 010 0 0011 0000 0 */ 0x00c27,
- /* AV2 1110 010 0 0010 0000 0 */ 0x00427,
- /* AV3 1110 010 0 0010 0100 0 */ 0x02427
- };
-
- private static final int[] COMPOSABLE = {
- /* NON 0000 000 0 0000 0000 0 */ 0x00000,
- /* CONS 0000 001 1 1111 1111 1 */ 0x1ffc0,
- /* LV 0000 000 0 0000 0000 0 */ 0x00000,
- /* FV1 0000 000 0 0000 0000 0 */ 0x00000,
- /* FV2 0000 000 0 0000 0000 0 */ 0x00000,
- /* FV3 0000 000 0 0000 0000 0 */ 0x00000,
- /* FV4 0000 000 0 0000 0000 0 */ 0x00000,
- /* BV1 0000 000 0 0011 0000 0 */ 0x00c00,
- /* BV2 0000 000 0 0010 0000 0 */ 0x00400,
- /* BD 0000 000 0 0000 0000 0 */ 0x00000,
- /* TONE 0000 001 0 0000 0000 0 */ 0x00040,
- /* AD1 0000 000 0 0000 0000 0 */ 0x00000,
- /* AD2 0000 000 0 0000 0000 0 */ 0x00000,
- /* AD3 0000 000 0 0000 0000 0 */ 0x00000,
- /* AV1 0000 000 0 0011 0000 0 */ 0x00c00,
- /* AV2 0000 000 0 0010 0000 0 */ 0x00400,
- /* AV3 0000 000 0 0010 0100 0 */ 0x02400
- };
-
- private static final int[] REPLACABLE = {
- /* NON 0000 000 0 0000 0000 0 */ 0x00000,
- /* CONS 0000 000 0 0000 0000 0 */ 0x00000,
- /* LV 0000 000 0 0000 0000 0 */ 0x00000,
- /* FV1 0000 000 0 0000 0000 0 */ 0x00000,
- /* FV2 0000 000 0 0000 0000 0 */ 0x00000,
- /* FV3 0000 000 0 0000 0000 0 */ 0x00000,
- /* FV4 0000 001 1 1001 1111 1 */ 0x1f9c0,
- /* BV1 0000 001 1 1100 1111 1 */ 0x1f3c0,
- /* BV2 0000 001 1 1101 1111 1 */ 0x1fbc0,
- /* BD 0000 001 1 1111 1111 1 */ 0x1ffc0,
- /* TONE 0000 000 0 0111 1100 0 */ 0x03e00,
- /* AD1 0000 001 0 1111 1101 1 */ 0x1bf40,
- /* AD2 0000 001 1 1111 1111 1 */ 0x1ffc0,
- /* AD3 0000 001 1 1111 1111 0 */ 0x0ffc0,
- /* AV1 0000 001 1 1100 1111 1 */ 0x1f3c0,
- /* AV2 0000 001 1 1101 1111 1 */ 0x1fbc0,
- /* AV3 0000 001 1 1101 1011 1 */ 0x1dbc0
- };
-
- private static final int[] SWAPPABLE = {
- /* NON 0000 000 0 0000 0000 0 */ 0x00000,
- /* CONS 0000 000 0 0000 0000 0 */ 0x00000,
- /* LV 0000 000 0 0000 0000 0 */ 0x00000,
- /* FV1 0000 000 0 0000 0000 0 */ 0x00000,
- /* FV2 0000 000 0 0000 0000 0 */ 0x00000,
- /* FV3 0000 000 0 0000 0000 0 */ 0x00000,
- /* FV4 0000 000 0 0010 0000 0 */ 0x00400,
- /* BV1 0000 000 0 0000 0000 0 */ 0x00000,
- /* BV2 0000 000 0 0000 0000 0 */ 0x00000,
- /* BD 0000 000 0 0000 0000 0 */ 0x00000,
- /* TONE 0000 000 1 1000 0011 1 */ 0x1c180,
- /* AD1 0000 000 1 0000 0010 0 */ 0x04080,
- /* AD2 0000 000 0 0000 0000 0 */ 0x00000,
- /* AD3 0000 000 0 0000 0000 1 */ 0x10000,
- /* AV1 0000 000 0 0000 0000 0 */ 0x00000,
- /* AV2 0000 000 0 0000 0000 0 */ 0x00000,
- /* AV3 0000 000 0 0000 0000 0 */ 0x00000
- };
-
- public static boolean isInputValid(char c1, char c2) {
- return isValid(c1, c2, INPUTVALIDITY);
- }
-
- public static boolean isComposable(char c1, char c2) {
- return isValid(c1, c2, COMPOSABLE);
- }
-
- public static boolean isSwappable(char c1, char c2) {
- return isValid(c1, c2, SWAPPABLE);
- }
-
- public static boolean isReplacable(char c1, char c2) {
- return isValid(c1, c2, REPLACABLE);
- }
-
- public static boolean isForward(char c) {
- return (getCharType(c) < FV4);
- }
-
- public static boolean isDead(char c) {
- return (getCharType(c) > FV3);
- }
-
- public boolean isInputValid(char current) {
- int offset = requests.getInsertPositionOffset();
- if (offset == 0) {
- byte charType = getCharType(current);
- return ((charType < FV1) || (charType == FV3));
- }
- else {
- char prev = requests.getCommittedText(offset-1, offset, null).first();
-
- if(isForward(current)) {
- if (isInputValid(prev, current)) {
- if (getCharType(prev) == TONE &&
- getCharType(current) == FV1) {
- if (offset == 1) {
- return true;
- } else {
- char pprev =
- requests.getCommittedText(offset-2, offset-1, null).first();
- return isInputValid(pprev, current);
- }
- } else {
- return true;
- }
- } else if (prev == '\u0e32' && // SARA AA
- current == '\u0e30') { // SARA A
- return true;
- } else if (prev == '\u0e4d' && // NIKAHIT
- current == '\u0e32') { // SARA AA
- // Special compose to SARA AM
- return true;
- } else {
- return false;
- }
- } else {
- if(isInputValid(prev, current)) {
- if (getCharType(prev) == TONE &&
- getCharType(current) == FV4) {
- return (offset != 1);
- } else {
- return true;
- }
- } else {
- return false;
- }
- }
- }
- }
-}