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Diffstat (limited to 'src/share/classes/com/sun/inputmethods/internal/thaiim/ThaiRules.java')
| -rw-r--r-- | src/share/classes/com/sun/inputmethods/internal/thaiim/ThaiRules.java | 348 |
1 files changed, 0 insertions, 348 deletions
diff --git a/src/share/classes/com/sun/inputmethods/internal/thaiim/ThaiRules.java b/src/share/classes/com/sun/inputmethods/internal/thaiim/ThaiRules.java deleted file mode 100644 index 02e4b6ed4..000000000 --- a/src/share/classes/com/sun/inputmethods/internal/thaiim/ThaiRules.java +++ /dev/null @@ -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; - } - } - } - } -} |