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Jskad/source/org/thdl/tib/text/ttt/ACIPRules.java

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/*
The contents of this file are subject to the THDL Open Community License
Version 1.0 (the "License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License on the THDL web site
(http://www.thdl.org/).
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
License for the specific terms governing rights and limitations under the
License.
The Initial Developer of this software is the Tibetan and Himalayan Digital
Library (THDL). Portions created by the THDL are Copyright 2003 THDL.
All Rights Reserved.
Contributor(s): ______________________________________.
*/
package org.thdl.tib.text.ttt;
import java.util.HashSet;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.StringTokenizer;
import java.util.List;
import org.thdl.tib.text.DuffCode;
import org.thdl.tib.text.THDLWylieConstants;
import org.thdl.tib.text.TibetanMachineWeb;
import org.thdl.tib.text.TibTextUtils;
/** Canonizes some facts regarding the ACIP transcription system.
* @author David Chandler */
public class ACIPRules {
/** {Ksh}, the longest consonant, has 3 characters, so this is
* three. */
public static int MAX_CONSONANT_LENGTH = 3;
/** {'EEm:}, the longest "vowel", has 5 characters, so this is
* five. */
public static int MAX_VOWEL_LENGTH = 5;
/** For O(1) {@link #isVowel(String)} calls. */
private static HashSet acipVowels = null;
private static String[][] baseVowels = new String[][] {
// { ACIP, EWTS, EWTS for ACIP {'\'' + baseVowels[][0]}, vowel
// numbers (see TibetanMachineWeb's VOWEL_A, VOWEL_o, etc.)
// for ACIP, vowel numbers for ACIP {'\'' + baseVowels[][0]}
{ "A", "a", "A" },
{ "I", "i", "I" },
{ "U", "u", "U" },
{ "E", "e", "Ae" },
{ "O", "o", "Ao" },
{ "EE", "ai", "Aai" },
{ "OO", "au", "Aau" },
{ "i", "-i", "A-i" }
};
/** Returns true if and only if s is an ACIP "vowel". You can't
* just call this any time -- A is a consonant and a vowel in
* ACIP, so you have to call this in the right context. */
public static boolean isVowel(String s) {
if (null == acipVowels) {
acipVowels = new HashSet(baseVowels.length * 8);
for (int i = 0; i < baseVowels.length; i++) {
// I'm on my own with 'O and 'E and 'OO and 'EE, but
// GANG'O appears and I wonder... so here they are.
// It's consistent with 'I and 'A and 'U, at least:
// all the vowels may appear as K'vowel. DLC FIXME:
// ask.
acipVowels.add(baseVowels[i][0]);
acipVowels.add('\'' + baseVowels[i][0]);
acipVowels.add(baseVowels[i][0] + 'm');
acipVowels.add('\'' + baseVowels[i][0] + 'm');
acipVowels.add(baseVowels[i][0] + ':');
acipVowels.add('\'' + baseVowels[i][0] + ':');
acipVowels.add(baseVowels[i][0] + "m:");
acipVowels.add('\'' + baseVowels[i][0] + "m:");
// Keep this code in sync with getUnicodeFor.
// Keep this code in sync with getWylieForACIPVowel.
}
}
return (acipVowels.contains(s));
}
/** For O(1) {@link #isConsonant(String)} calls. */
private static HashSet consonants = null;
/** Returns true if and only if acip is an ACIP consonant (without
* a vowel). For example, returns true for "K", but not for
* "KA" or "X". */
public static boolean isConsonant(String acip) {
if (consonants == null) {
consonants = new HashSet();
consonants.add("V");
consonants.add("K");
consonants.add("KH");
consonants.add("G");
consonants.add("NG");
consonants.add("C");
consonants.add("CH");
consonants.add("J");
consonants.add("NY");
consonants.add("T");
consonants.add("TH");
consonants.add("D");
consonants.add("N");
consonants.add("P");
consonants.add("PH");
consonants.add("B");
consonants.add("M");
consonants.add("TZ");
consonants.add("TS");
consonants.add("DZ");
consonants.add("W");
consonants.add("ZH");
consonants.add("Z");
consonants.add("Y");
consonants.add("R");
consonants.add("L");
consonants.add("SH");
consonants.add("S");
consonants.add("H");
consonants.add("t");
consonants.add("th");
consonants.add("d");
consonants.add("n");
consonants.add("sh");
consonants.add("dH");
consonants.add("DH");
consonants.add("BH");
consonants.add("DZH"); // longest, MAX_CONSONANT_LENGTH characters
consonants.add("Ksh"); // longest, MAX_CONSONANT_LENGTH characters
consonants.add("GH");
consonants.add("'");
consonants.add("A");
}
return consonants.contains(acip);
}
/** A map from wylie to ACIP. Note that the Wylie "w" maps to
both "V" and "W". */
private static HashMap wylieToACIP = null;
/** Returns the ACIP transliteration corresponding to the THDL
Extended Wylie <em>atom</em> EWTS, or null if EWTS is not
recognized. */
public static String getACIPForEWTS(String EWTS) {
getWylieForACIPConsonant(null);
getWylieForACIPOther(null);
getWylieForACIPVowel(null);
String ans = (String)wylieToACIP.get(EWTS);
if (null == ans) {
StringBuffer finalAns = new StringBuffer(EWTS.length());
StringTokenizer sTok = new StringTokenizer(EWTS, "-+", true);
while (sTok.hasMoreTokens()) {
String part, tok = sTok.nextToken();
if (tok.equals("-") || tok.equals("+"))
part = tok;
else {
if ("w".equals(tok)) {
// There are only two stacks in TMW that have
// U+0FBA: r+wa and w+wa. TMW->ACIP fails for
// these unless we handle it here. (FIXME:
// add an automated test for this).
if ("r+w".equals(EWTS) || "w+w".equals(EWTS)) {
part = "W";
} else {
part = "V";
}
} else {
part = (String)wylieToACIP.get(tok);
}
}
if (null == part) return null;
finalAns.append(part);
}
return finalAns.toString();
}
return ans;
}
/** Registers acip->wylie mappings in toWylie; registers
wylie->acip mappings in {@link #wylieToACIP}. */
private static void putMapping(HashMap toWylie, String ACIP, String EWTS) {
toWylie.put(ACIP, EWTS);
if (null == wylieToACIP) {
wylieToACIP = new HashMap(75);
wylieToACIP.put("_", " "); // oddball.
wylieToACIP.put("o'i", "O'I"); // oddball for TMW9.61.
}
wylieToACIP.put(EWTS, ACIP);
}
/** Returns true if and only if s is an ACIP consonant. */
static final boolean isACIPConsonant(String s) {
return (null != ACIPRules.getWylieForACIPConsonant(s));
}
private static HashMap acipConsonant2wylie = null;
/** Returns the EWTS corresponding to the given ACIP consonant
* (without the "A" vowel). Returns null if there is no such
* EWTS. */
static final String getWylieForACIPConsonant(String acip) {
if (acipConsonant2wylie == null) {
acipConsonant2wylie = new HashMap(37);
// oddball:
putMapping(acipConsonant2wylie, "V", "w");
// more oddballs:
putMapping(acipConsonant2wylie, "DH", "d+h");
putMapping(acipConsonant2wylie, "BH", "b+h");
putMapping(acipConsonant2wylie, "dH", "D+h");
putMapping(acipConsonant2wylie, "DZH", "dz+h");
putMapping(acipConsonant2wylie, "Ksh", "k+Sh");
putMapping(acipConsonant2wylie, "GH", "g+h");
putMapping(acipConsonant2wylie, "K", "k");
putMapping(acipConsonant2wylie, "KH", "kh");
putMapping(acipConsonant2wylie, "G", "g");
putMapping(acipConsonant2wylie, "NG", "ng");
putMapping(acipConsonant2wylie, "C", "c");
putMapping(acipConsonant2wylie, "CH", "ch");
putMapping(acipConsonant2wylie, "J", "j");
putMapping(acipConsonant2wylie, "NY", "ny");
putMapping(acipConsonant2wylie, "T", "t");
putMapping(acipConsonant2wylie, "TH", "th");
putMapping(acipConsonant2wylie, "D", "d");
putMapping(acipConsonant2wylie, "N", "n");
putMapping(acipConsonant2wylie, "P", "p");
putMapping(acipConsonant2wylie, "PH", "ph");
putMapping(acipConsonant2wylie, "B", "b");
putMapping(acipConsonant2wylie, "M", "m");
putMapping(acipConsonant2wylie, "TZ", "ts");
putMapping(acipConsonant2wylie, "TS", "tsh");
putMapping(acipConsonant2wylie, "DZ", "dz");
putMapping(acipConsonant2wylie, "W", "w");
putMapping(acipConsonant2wylie, "ZH", "zh");
putMapping(acipConsonant2wylie, "Z", "z");
putMapping(acipConsonant2wylie, "'", "'");
putMapping(acipConsonant2wylie, "Y", "y");
putMapping(acipConsonant2wylie, "R", "r");
putMapping(acipConsonant2wylie, "L", "l");
putMapping(acipConsonant2wylie, "SH", "sh");
putMapping(acipConsonant2wylie, "S", "s");
putMapping(acipConsonant2wylie, "H", "h");
putMapping(acipConsonant2wylie, "A", "a");
putMapping(acipConsonant2wylie, "t", "T");
putMapping(acipConsonant2wylie, "th", "Th");
putMapping(acipConsonant2wylie, "d", "D");
putMapping(acipConsonant2wylie, "n", "N");
putMapping(acipConsonant2wylie, "sh", "Sh");
}
return (String)acipConsonant2wylie.get(acip);
}
private static HashMap acipVowel2wylie = null;
/** Returns the EWTS corresponding to the given ACIP "vowel".
* Returns null if there is no such EWTS. */
static final String getWylieForACIPVowel(String acip) {
if (acipVowel2wylie == null) {
acipVowel2wylie = new HashMap(baseVowels.length * 4);
for (int i = 0; i < baseVowels.length; i++) {
putMapping(acipVowel2wylie, baseVowels[i][0], baseVowels[i][1]);
putMapping(acipVowel2wylie, '\'' + baseVowels[i][0], baseVowels[i][2]);
putMapping(acipVowel2wylie, baseVowels[i][0] + 'm', baseVowels[i][1] + 'M');
putMapping(acipVowel2wylie, '\'' + baseVowels[i][0] + 'm', baseVowels[i][2] + 'M');
putMapping(acipVowel2wylie, baseVowels[i][0] + ':', baseVowels[i][1] + 'H');
putMapping(acipVowel2wylie, '\'' + baseVowels[i][0] + ':', baseVowels[i][2] + 'H');
putMapping(acipVowel2wylie, baseVowels[i][0] + "m:", baseVowels[i][1] + "MH");
putMapping(acipVowel2wylie, '\'' + baseVowels[i][0] + "m:", baseVowels[i][2] + "MH");
}
}
return (String)acipVowel2wylie.get(acip);
}
private static HashMap acipOther2wylie = null;
/** Returns the EWTS corresponding to the given ACIP puncuation or
* mark. Returns null if there is no such EWTS. */
static final String getWylieForACIPOther(String acip) {
if (acipOther2wylie == null) {
acipOther2wylie = new HashMap(20);
putMapping(acipOther2wylie, ",", "/");
putMapping(acipOther2wylie, " ", " ");
putMapping(acipOther2wylie, ".", "*");
putMapping(acipOther2wylie, "|", "|");
putMapping(acipOther2wylie, "`", "!");
putMapping(acipOther2wylie, ";", ";");
putMapping(acipOther2wylie, "*", "@");
putMapping(acipOther2wylie, "#", "@#");
putMapping(acipOther2wylie, "%", "~X");
putMapping(acipOther2wylie, "o", "X");
putMapping(acipOther2wylie, "&", "&");
putMapping(acipOther2wylie, "0", "0");
putMapping(acipOther2wylie, "1", "1");
putMapping(acipOther2wylie, "2", "2");
putMapping(acipOther2wylie, "3", "3");
putMapping(acipOther2wylie, "4", "4");
putMapping(acipOther2wylie, "5", "5");
putMapping(acipOther2wylie, "6", "6");
putMapping(acipOther2wylie, "7", "7");
putMapping(acipOther2wylie, "8", "8");
putMapping(acipOther2wylie, "9", "9");
}
return (String)acipOther2wylie.get(acip);
}
private static HashMap superACIP2unicode = null;
private static HashMap subACIP2unicode = null;
/** If acip is an ACIP consonant or vowel or punctuation mark,
* then this returns the Unicode for it. The Unicode for the
* subscribed form of the glyph is returned if subscribed is
* true. Returns null if acip is unknown. */
static String getUnicodeFor(String acip, boolean subscribed) {
if (superACIP2unicode == null) {
superACIP2unicode = new HashMap(144);
subACIP2unicode = new HashMap(42);
// oddball:
subACIP2unicode.put("V", "\u0FAD");
superACIP2unicode.put("DH", "\u0F52");
subACIP2unicode.put("DH", "\u0FA2");
superACIP2unicode.put("BH", "\u0F57");
subACIP2unicode.put("BH", "\u0FA7");
superACIP2unicode.put("dH", "\u0F4D");
subACIP2unicode.put("dH", "\u0F9D");
superACIP2unicode.put("DZH", "\u0F5C");
subACIP2unicode.put("DZH", "\u0FAC");
superACIP2unicode.put("Ksh", "\u0F69");
subACIP2unicode.put("Ksh", "\u0FB9");
superACIP2unicode.put("GH", "\u0F43");
subACIP2unicode.put("GH", "\u0F93");
superACIP2unicode.put("K", "\u0F40");
subACIP2unicode.put("K", "\u0F90");
superACIP2unicode.put("KH", "\u0F41");
subACIP2unicode.put("KH", "\u0F91");
superACIP2unicode.put("G", "\u0F42");
subACIP2unicode.put("G", "\u0F92");
superACIP2unicode.put("NG", "\u0F44");
subACIP2unicode.put("NG", "\u0F94");
superACIP2unicode.put("C", "\u0F45");
subACIP2unicode.put("C", "\u0F95");
superACIP2unicode.put("CH", "\u0F46");
subACIP2unicode.put("CH", "\u0F96");
superACIP2unicode.put("J", "\u0F47");
subACIP2unicode.put("J", "\u0F97");
superACIP2unicode.put("NY", "\u0F49");
subACIP2unicode.put("NY", "\u0F99");
superACIP2unicode.put("T", "\u0F4F");
subACIP2unicode.put("T", "\u0F9F");
superACIP2unicode.put("TH", "\u0F50");
subACIP2unicode.put("TH", "\u0FA0");
superACIP2unicode.put("D", "\u0F51");
subACIP2unicode.put("D", "\u0FA1");
superACIP2unicode.put("N", "\u0F53");
subACIP2unicode.put("N", "\u0FA3");
superACIP2unicode.put("P", "\u0F54");
subACIP2unicode.put("P", "\u0FA4");
superACIP2unicode.put("PH", "\u0F55");
subACIP2unicode.put("PH", "\u0FA5");
superACIP2unicode.put("B", "\u0F56");
subACIP2unicode.put("B", "\u0FA6");
superACIP2unicode.put("M", "\u0F58");
subACIP2unicode.put("M", "\u0FA8");
superACIP2unicode.put("TZ", "\u0F59");
subACIP2unicode.put("TZ", "\u0FA9");
superACIP2unicode.put("TS", "\u0F5A");
subACIP2unicode.put("TS", "\u0FAA");
superACIP2unicode.put("DZ", "\u0F5B");
subACIP2unicode.put("DZ", "\u0FAB");
superACIP2unicode.put("W", "\u0F5D");
subACIP2unicode.put("W", "\u0FBA"); // oddball
superACIP2unicode.put("ZH", "\u0F5E");
subACIP2unicode.put("ZH", "\u0FAE");
superACIP2unicode.put("Z", "\u0F5F");
subACIP2unicode.put("Z", "\u0FAF");
superACIP2unicode.put("'", "\u0F60");
subACIP2unicode.put("'", "\u0FB0");
superACIP2unicode.put("Y", "\u0F61");
subACIP2unicode.put("Y", "\u0FB1");
superACIP2unicode.put("R", "\u0F62");
subACIP2unicode.put("R", "\u0FB2");
superACIP2unicode.put("L", "\u0F63");
subACIP2unicode.put("L", "\u0FB3");
superACIP2unicode.put("SH", "\u0F64");
subACIP2unicode.put("SH", "\u0FB4");
superACIP2unicode.put("S", "\u0F66");
subACIP2unicode.put("S", "\u0FB6");
superACIP2unicode.put("H", "\u0F67");
subACIP2unicode.put("H", "\u0FB7");
superACIP2unicode.put("A", "\u0F68");
subACIP2unicode.put("A", "\u0FB8");
superACIP2unicode.put("t", "\u0F4A");
subACIP2unicode.put("t", "\u0F9A");
superACIP2unicode.put("th", "\u0F4B");
subACIP2unicode.put("th", "\u0F9B");
superACIP2unicode.put("d", "\u0F4C");
subACIP2unicode.put("d", "\u0F9C");
superACIP2unicode.put("n", "\u0F4E");
subACIP2unicode.put("n", "\u0F9E");
superACIP2unicode.put("sh", "\u0F65");
subACIP2unicode.put("sh", "\u0FB5");
superACIP2unicode.put("I", "\u0F72");
superACIP2unicode.put("E", "\u0F7A");
superACIP2unicode.put("O", "\u0F7C");
superACIP2unicode.put("U", "\u0F74");
superACIP2unicode.put("OO", "\u0F7D");
superACIP2unicode.put("EE", "\u0F7B");
superACIP2unicode.put("i", "\u0F80");
superACIP2unicode.put("'A", "\u0F71");
superACIP2unicode.put("'I", "\u0F71\u0F72");
superACIP2unicode.put("'E", "\u0F71\u0F7A");
superACIP2unicode.put("'O", "\u0F71\u0F7C");
superACIP2unicode.put("'U", "\u0F71\u0F74");
superACIP2unicode.put("'OO", "\u0F71\u0F7D");
superACIP2unicode.put("'EE", "\u0F71\u0F7B");
superACIP2unicode.put("'i", "\u0F71\u0F80");
superACIP2unicode.put("Im", "\u0F72\u0F7E");
superACIP2unicode.put("Em", "\u0F7A\u0F7E");
superACIP2unicode.put("Om", "\u0F7C\u0F7E");
superACIP2unicode.put("Um", "\u0F74\u0F7E");
superACIP2unicode.put("OOm", "\u0F7D\u0F7E");
superACIP2unicode.put("EEm", "\u0F7B\u0F7E");
superACIP2unicode.put("im", "\u0F80\u0F7E");
superACIP2unicode.put("'Am", "\u0F71\u0F7E");
superACIP2unicode.put("'Im", "\u0F71\u0F72\u0F7E");
superACIP2unicode.put("'Em", "\u0F71\u0F7A\u0F7E");
superACIP2unicode.put("'Om", "\u0F71\u0F7C\u0F7E");
superACIP2unicode.put("'Um", "\u0F71\u0F74\u0F7E");
superACIP2unicode.put("'OOm", "\u0F71\u0F7D\u0F7E");
superACIP2unicode.put("'EEm", "\u0F71\u0F7B\u0F7E");
superACIP2unicode.put("'im", "\u0F71\u0F80\u0F7E");
superACIP2unicode.put("I:", "\u0F72\u0F7F");
superACIP2unicode.put("E:", "\u0F7A\u0F7F");
superACIP2unicode.put("O:", "\u0F7C\u0F7F");
superACIP2unicode.put("U:", "\u0F74\u0F7F");
superACIP2unicode.put("OO:", "\u0F7D\u0F7F");
superACIP2unicode.put("EE:", "\u0F7B\u0F7F");
superACIP2unicode.put("i:", "\u0F80\u0F7F");
superACIP2unicode.put("'A:", "\u0F71\u0F7F");
superACIP2unicode.put("'I:", "\u0F71\u0F72\u0F7F");
superACIP2unicode.put("'E:", "\u0F71\u0F7A\u0F7F");
superACIP2unicode.put("'O:", "\u0F71\u0F7C\u0F7F");
superACIP2unicode.put("'U:", "\u0F71\u0F74\u0F7F");
superACIP2unicode.put("'OO:", "\u0F71\u0F7D\u0F7F");
superACIP2unicode.put("'EE:", "\u0F71\u0F7B\u0F7F");
superACIP2unicode.put("'i:", "\u0F71\u0F80\u0F7F");
superACIP2unicode.put("Im:", "\u0F72\u0F7E\u0F7F");
superACIP2unicode.put("Em:", "\u0F7A\u0F7E\u0F7F");
superACIP2unicode.put("Om:", "\u0F7C\u0F7E\u0F7F");
superACIP2unicode.put("Um:", "\u0F74\u0F7E\u0F7F");
superACIP2unicode.put("OOm:", "\u0F7D\u0F7E\u0F7F");
superACIP2unicode.put("EEm:", "\u0F7B\u0F7E\u0F7F");
superACIP2unicode.put("im:", "\u0F80\u0F7E\u0F7F");
superACIP2unicode.put("'Am:", "\u0F71\u0F7E\u0F7F");
superACIP2unicode.put("'Im:", "\u0F71\u0F72\u0F7E\u0F7F");
superACIP2unicode.put("'Em:", "\u0F71\u0F7A\u0F7E\u0F7F");
superACIP2unicode.put("'Om:", "\u0F71\u0F7C\u0F7E\u0F7F");
superACIP2unicode.put("'Um:", "\u0F71\u0F74\u0F7E\u0F7F");
superACIP2unicode.put("'OOm:", "\u0F71\u0F7D\u0F7E\u0F7F");
superACIP2unicode.put("'EEm:", "\u0F71\u0F7B\u0F7E\u0F7F");
superACIP2unicode.put("'im:", "\u0F71\u0F80\u0F7E\u0F7F");
// :m does not appear, though you'd think it's as valid as m:.
// I doubt these will occur alone:
superACIP2unicode.put("m", "\u0F7E");
superACIP2unicode.put(":", "\u0F7F");
superACIP2unicode.put("Am", "\u0F7E");
superACIP2unicode.put("A:", "\u0F7F");
superACIP2unicode.put("0", "\u0F20");
superACIP2unicode.put("1", "\u0F21");
superACIP2unicode.put("2", "\u0F22");
superACIP2unicode.put("3", "\u0F23");
superACIP2unicode.put("4", "\u0F24");
superACIP2unicode.put("5", "\u0F25");
superACIP2unicode.put("6", "\u0F26");
superACIP2unicode.put("7", "\u0F27");
superACIP2unicode.put("8", "\u0F28");
superACIP2unicode.put("9", "\u0F29");
// punctuation
superACIP2unicode.put("&", "\u0F85");
superACIP2unicode.put(",", "\u0F0D");
superACIP2unicode.put(" ", "\u0F0B");
superACIP2unicode.put(".", "\u0F0C");
superACIP2unicode.put("`", "\u0F08");
superACIP2unicode.put("`", "\u0F08");
superACIP2unicode.put("*", "\u0F04\u0F05");
superACIP2unicode.put("#", "\u0F04\u0F05\u0F05");
superACIP2unicode.put("%", "\u0F35"); // but might be U+0F14, so we warn.
superACIP2unicode.put("o", "\u0F37");
superACIP2unicode.put(";", "\u0F11");
superACIP2unicode.put("\r", "\r");
superACIP2unicode.put("\t", "\t");
superACIP2unicode.put("\r\n", "\r\n");
superACIP2unicode.put("\n", "\n");
superACIP2unicode.put("\\", "\u0F84");
superACIP2unicode.put("^", "\u0F38");
// DLC FIXME: "^ GONG" is "^GONG", right?
// DLC FIXME: what's the Unicode for x? RC said there is none in plain-text Unicode for x. But what about in RTF Unicode?
}
if (subscribed) {
String u = (String)subACIP2unicode.get(acip);
if (null != u) return u;
}
return (String)superACIP2unicode.get(acip);
}
/** Gets the duffcodes for vowel, such that they look good with
* the stack with hash key hashKey, and appends them to r. */
static void getDuffForACIPVowel(ArrayList duff, DuffCode preceding, String vowel) {
if (null == vowel) return;
if (null == getWylieForACIPVowel(vowel)) // FIXME: expensive assertion! Use assert.
throw new IllegalArgumentException("Vowel " + vowel + " isn't in the small set of vowels we handle correctly.");
// Order matters here.
boolean context_added[] = new boolean[] { false };
if (vowel.startsWith("A")) {
TibTextUtils.getVowel(duff, preceding, THDLWylieConstants.WYLIE_aVOWEL, context_added);
} else if (vowel.indexOf("'U") >= 0) {
TibTextUtils.getVowel(duff, preceding, THDLWylieConstants.U_VOWEL, context_added);
} else if (vowel.indexOf("'I") >= 0) {
TibTextUtils.getVowel(duff, preceding, THDLWylieConstants.I_VOWEL, context_added);
} else {
if (vowel.indexOf('\'') >= 0) {
TibTextUtils.getVowel(duff, preceding, THDLWylieConstants.A_VOWEL, context_added);
}
if (vowel.indexOf("EE") >= 0) {
TibTextUtils.getVowel(duff, preceding, THDLWylieConstants.ai_VOWEL, context_added);
} else if (vowel.indexOf('E') >= 0) {
TibTextUtils.getVowel(duff, preceding, THDLWylieConstants.e_VOWEL, context_added);
}
if (vowel.indexOf("OO") >= 0) {
TibTextUtils.getVowel(duff, preceding, THDLWylieConstants.au_VOWEL, context_added);
} else if (vowel.indexOf('O') >= 0) {
TibTextUtils.getVowel(duff, preceding, THDLWylieConstants.o_VOWEL, context_added);
}
if (vowel.indexOf('I') >= 0) {
TibTextUtils.getVowel(duff, preceding, THDLWylieConstants.i_VOWEL, context_added);
}
if (vowel.indexOf('U') >= 0) {
TibTextUtils.getVowel(duff, preceding, THDLWylieConstants.u_VOWEL, context_added);
}
if (vowel.indexOf('i') >= 0) {
TibTextUtils.getVowel(duff, preceding, THDLWylieConstants.reverse_i_VOWEL, context_added);
}
}
// FIXME: Use TMW9.61, the "o'i" special combination, when appropriate.
if (vowel.indexOf('m') >= 0) {
DuffCode last = (DuffCode)duff.get(duff.size() - 1);
duff.remove(duff.size() - 1);
TibTextUtils.getBindu(duff, last);
}
if (vowel.indexOf(':') >= 0)
duff.add(TibetanMachineWeb.getGlyph("H"));
}
/** Returns true if and only if l is the ACIP representation of a
letter that can be a suffix. Note that all postsuffixes are
also suffixes. l must not have an "A" -- use "S", not "SA",
that is. */
public static boolean isACIPSuffix(String l) {
return ("S".equals(l)
|| "G".equals(l)
|| "D".equals(l)
|| "M".equals(l)
|| "'".equals(l)
|| "B".equals(l)
|| "NG".equals(l)
|| "N".equals(l)
|| "L".equals(l)
|| "R".equals(l));
}
/** Returns true if and only if l is the ACIP representation of a
letter that can be a prefix. l must not have an "A" -- use
"D", not "DA", that is. */
public static boolean isACIPPrefix(String l) {
return ("'".equals(l)
|| "M".equals(l)
|| "B".equals(l)
|| "D".equals(l)
|| "G".equals(l));
}
/** Returns true if and only if l is the ACIP representation of a
letter that can be a postsuffix. l must not have an "A" --
use "D", not "DA", that is. */
public static boolean isACIPPostsuffix(String l) {
return ("S".equals(l)
|| "D".equals(l));
}
}
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