487 lines
18 KiB
Java
487 lines
18 KiB
Java
package net.agspace.translate;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* Created by Andrew's Computer on 23-Apr-17.
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*/
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public class Translator {
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private enum CHAR_TYPE {
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CONSONANT,
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COMPOUND,
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ALTERNATE,
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VOWEL,
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NUMBER,
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CARRIER,
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PUNCTUATION,
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BAR,
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S_CURL,
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UNKNOWN,
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}
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//Consonant variables.
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private static final char B = 'w';
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private static final char C = 'c';
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private static final char D = '2';
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private static final char F = 'e';
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private static final char G = 'x';
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private static final char H = '9';
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private static final char J = 's';
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private static final char K = 'z';
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private static final char L = 'j';
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private static final char M = 't';
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private static final char N = '5';
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private static final char P = 'q';
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private static final char Q = 'n';
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private static final char R = '6';
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private static final char S = '8';
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private static final char T = '1';
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private static final char V = 'r';
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private static final char W = 'y';
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private static final char X = '¦';
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private static final char Y = 'h';
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private static final char Z = 'k';
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//Compound chars.
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private static final char TH = '3';
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private static final char CH = 'a';
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private static final char SH = 'd';
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private static final char ZH = 'f';
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private static final char GH = 'v';
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private static final char WH = 'o';
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private static final char CK = 'Z';
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private static final char NY = 'g';
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private static final char NG = 'b';
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private static final char RD = 'u';
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private static final char LD = 'm';
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//Vowels.
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private static final char A_1 = '#';
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private static final char A_2 = 'E';
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private static final char A_3 = 'D';
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private static final char A_4 = 'C';
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private static final char E_1 = '$';
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private static final char E_2 = 'R';
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private static final char E_3 = 'F';
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private static final char E_4 = 'V';
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private static final char E_UNDER_1 = 'È';
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private static final char E_UNDER_2 = 'É';
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private static final char E_UNDER_3 = 'Ê';
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private static final char E_UNDER_4 = 'Ë';
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private static final char E_LAMBE = 'L';
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private static final char I_1 = '%';
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private static final char I_2 = 'T';
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private static final char I_3 = 'G';
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private static final char I_4 = 'B';
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private static final char O_1 = '^';
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private static final char O_2 = 'Y';
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private static final char O_3 = 'H';
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private static final char O_4 = 'N';
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private static final char U_1 = '&';
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private static final char U_2 = 'U';
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private static final char U_3 = 'J';
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private static final char U_4 = 'M';
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//Carriers.
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private static final char CARRIER_LONG = '~';
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private static final char CARRIER_SHORT = '`';
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//Numbers.
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private static final char NUMBER_0 = 'ð';
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private static final char NUMBER_1 = 'ñ';
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private static final char NUMBER_2 = 'ò';
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private static final char NUMBER_3 = 'ó';
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private static final char NUMBER_4 = 'ô';
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private static final char NUMBER_5 = 'õ';
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private static final char NUMBER_6 = 'ö';
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private static final char NUMBER_7 = '÷';
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private static final char NUMBER_8 = 'ø';
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private static final char NUMBER_9 = 'ù';
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//Punctuation
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private static final char PERIOD = '-';
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private static final char COMMA = '=';
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private static final char EXCLAMATION = 'Á';
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private static final char QUESTION = 'À';
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private static final char SEMICOLON = 'Ã';
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private static final char COLON = 'ˆ';
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private static final char PARENTHESES_RIGHT = 'œ';
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private static final char PARENTHESES_LEFT = 'Œ';
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private static final char QUOTE = '«';
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private static final char APOSTROPHE = '±';
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private static final char SPACE = ' ';
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private static final char EQUALS = '¬';
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private static final char MINUS = '\\';
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private static final char NEWLINE = '\n';
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//Doubles Bars
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private static final char BAR_SHORT_TOP = '[';
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private static final char BAR_SHORT_BOTTOM = '\'';
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private static final char BAR_LONG_TOP = '{';
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private static final char BAR_LONG_BOTTOM = '"';
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//Alternate forms.
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private static final char S_ALT = 'i';
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private static final char Z_ALT = ',';
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private static final char W_ALT = '.';
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private static final char R_ALT = '7';
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private static final char Y_ALT = 'l';
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//S-Curls
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private static final char S_CURL_1 = '+';
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private static final char S_CURL_2 = '_';
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private static final char S_CURL_3 = '¢';
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//Mappings of english chars to tengwars.
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private static final Map<Character, Character> consonantChars = new HashMap<>();
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static {
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consonantChars.put('b', B);
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consonantChars.put('c', C);
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consonantChars.put('d', D);
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consonantChars.put('f', F);
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consonantChars.put('g', G);
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consonantChars.put('h', H);
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consonantChars.put('j', J);
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consonantChars.put('k', K);
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consonantChars.put('l', L);
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consonantChars.put('m', M);
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consonantChars.put('n', N);
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consonantChars.put('p', P);
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consonantChars.put('q', Q);
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consonantChars.put('r', R);
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consonantChars.put('s', S);
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consonantChars.put('t', T);
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consonantChars.put('v', V);
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consonantChars.put('w', W);
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consonantChars.put('x', X);
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consonantChars.put('y', Y);
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consonantChars.put('z', Z);
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}
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//Mapping for compound chars.
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private static final Map<String, Character> compoundChars = new HashMap<>();
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static {
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compoundChars.put("th", TH);
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compoundChars.put("ch", CH);
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compoundChars.put("sh", SH);
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compoundChars.put("zh", ZH);
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compoundChars.put("gh", GH);
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compoundChars.put("wh", WH);
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compoundChars.put("ck", CK);
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compoundChars.put("ny", NY);
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compoundChars.put("ng", NG);
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compoundChars.put("rd", RD);
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compoundChars.put("ld", LD);
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}
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//Mapping consonants to alternates.
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private static final Map<Character, Character> alternateChars = new HashMap<>();
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static {
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alternateChars.put('s', S_ALT);
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alternateChars.put('z', Z_ALT);
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alternateChars.put('w', W_ALT);
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//alternateChars.put('r', R_ALT); R alt is used if followed by a vowel.
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alternateChars.put('y', Y_ALT);
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}
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//Mapping for numbers. No vowel size needed.
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private static final Map<Character, Character> numberChars = new HashMap<>();
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static {
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numberChars.put('0', NUMBER_0);
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numberChars.put('1', NUMBER_1);
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numberChars.put('2', NUMBER_2);
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numberChars.put('3', NUMBER_3);
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numberChars.put('4', NUMBER_4);
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numberChars.put('5', NUMBER_5);
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numberChars.put('6', NUMBER_6);
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numberChars.put('7', NUMBER_7);
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numberChars.put('8', NUMBER_8);
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numberChars.put('9', NUMBER_9);
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}
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//Mapping for punctuation. No vowel size needed.
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private static final Map<Character, Character> punctuationChars = new HashMap<>();
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static {
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punctuationChars.put('.', PERIOD);
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punctuationChars.put(',', COMMA);
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punctuationChars.put('!', EXCLAMATION);
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punctuationChars.put('?', QUESTION);
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punctuationChars.put(';', SEMICOLON);
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punctuationChars.put(':', COLON);
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punctuationChars.put(')', PARENTHESES_RIGHT);
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punctuationChars.put('(', PARENTHESES_LEFT);
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punctuationChars.put('"', QUOTE);
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punctuationChars.put('\'', APOSTROPHE);
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punctuationChars.put(' ', SPACE);
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punctuationChars.put('=', EQUALS);
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punctuationChars.put('-', MINUS);
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punctuationChars.put('\n', NEWLINE);
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}
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//Mapping for vowels. Each value is an array, with A_1 to A_4 in indices 0 - 3.
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private static final Map<Character, Character[]> vowelChars = new HashMap<>();
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static {
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vowelChars.put('a', new Character[]{A_1, A_2, A_3, A_4});
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vowelChars.put('e', new Character[]{E_1, E_2, E_3, E_4, E_UNDER_1, E_UNDER_2, E_UNDER_3, E_UNDER_4});
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vowelChars.put('i', new Character[]{I_1, I_2, I_3, I_4});
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vowelChars.put('o', new Character[]{O_1, O_2, O_3, O_4});
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vowelChars.put('u', new Character[]{U_1, U_2, U_3, U_4});
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}
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//For the characters which allow a vowel above them, this tells which vowel type to use.
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private static final Map<Character, Integer> charSizes = new HashMap<>();
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static {
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charSizes.put(B, 1);
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charSizes.put(C, 2);
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charSizes.put(D, 1);
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charSizes.put(F, 3);
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charSizes.put(G, 1);
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charSizes.put(H, 3);
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charSizes.put(J, 1);
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charSizes.put(K, 2);
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charSizes.put(L, 1);
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charSizes.put(M, 1);
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charSizes.put(N, 1);
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charSizes.put(P, 2);
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charSizes.put(Q, 2);
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charSizes.put(R, 2);
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charSizes.put(S, 1);
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charSizes.put(T, 2);
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charSizes.put(V, 1);
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charSizes.put(W, 2);
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charSizes.put(X, 1);
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charSizes.put(Y, 2);
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charSizes.put(Z, 1);
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charSizes.put(S_ALT, 2);
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charSizes.put(Z_ALT, 2);
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charSizes.put(W_ALT, 2);
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charSizes.put(R_ALT, 2);
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charSizes.put(Y_ALT, 2);
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charSizes.put(TH, 3);
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charSizes.put(CH, 2);
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charSizes.put(SH, 2);
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charSizes.put(ZH, 1);
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charSizes.put(GH, 1);
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charSizes.put(WH, 1);
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charSizes.put(CK, 1);
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charSizes.put(NY, 1);
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charSizes.put(NG, 1);
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charSizes.put(RD, 2);
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charSizes.put(LD, 1);
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charSizes.put(CARRIER_LONG, 4);
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charSizes.put(CARRIER_SHORT, 4);
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}
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//Sets bar preferences, 0 for long top, 1 for long bottom, 2 for short top, 3 for short bottom.
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private static final Map<Character, Integer> barSizes = new HashMap<>();
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static {
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barSizes.put(B, 0);
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barSizes.put(C, 2);
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barSizes.put(D, 1);
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barSizes.put(F, 2);
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barSizes.put(G, 1);
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barSizes.put(H, 1);
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barSizes.put(J, 0);
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barSizes.put(K, 2);
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barSizes.put(L, 1);
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barSizes.put(M, 0);
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barSizes.put(N, 0);
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barSizes.put(P, 3);
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barSizes.put(Q, 3);
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barSizes.put(R, 2);
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barSizes.put(S, 1);
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barSizes.put(T, 3);
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barSizes.put(V, 0);
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barSizes.put(W, 2);
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barSizes.put(X, 0);
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barSizes.put(Y, 2);
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barSizes.put(Z, 1);
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barSizes.put(S_ALT, 0);
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barSizes.put(Z_ALT, 1);
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barSizes.put(W_ALT, 2);
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barSizes.put(R_ALT, 2);
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barSizes.put(Y_ALT, 2);
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}
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//List of s-curls.
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private static final List<Character> sCurls = new ArrayList<>();
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static{
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sCurls.add(S_CURL_1);
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sCurls.add(S_CURL_2);
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sCurls.add(S_CURL_3);
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}
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//List of carriers.
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private static final List<Character> carriers = new ArrayList<>();
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static {
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carriers.add(CARRIER_LONG);
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carriers.add(CARRIER_SHORT);
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}
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//List of bars.
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private static final List<Character> bars = new ArrayList<>();
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static {
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bars.add(BAR_LONG_TOP);
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bars.add(BAR_LONG_BOTTOM);
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bars.add(BAR_SHORT_TOP);
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bars.add(BAR_SHORT_BOTTOM);
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}
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/**
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* Gives the properly sized vowel for a particular tengwar character.
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* Uses indices from the charSizes map to find the proper character.
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* @param tengwarChar tengwar char to be checked.
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* @param englishVowel the english vowel type to be returned.
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* @return tengwar vowel char corresponding to the letter, or default of left-most.
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*/
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private static char getAppropriateVowel(char tengwarChar, char englishVowel){
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if (charSizes.containsKey(tengwarChar)){
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return vowelChars.get(englishVowel)[charSizes.get(tengwarChar)-1];
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} else {
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return vowelChars.get(englishVowel)[0];
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}
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}
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/**
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* Gives the properly sized silent e vowel for a particular character.
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* @param tengwarChar tengwar char to be checked.
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* @return silent e vowel corresponding to the letter, or default of left-most.
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*/
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private static char getAppropriateSilentE(char tengwarChar){
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if (tengwarChar == L){
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return E_LAMBE;
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}
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if (charSizes.containsKey(tengwarChar)){
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return vowelChars.get('e')[charSizes.get(tengwarChar)+3];
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} else {
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return vowelChars.get('e')[4];
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}
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}
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/**
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* Determines if a character is a vowel.
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* @param c english character.
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* @return true if vowel, false if not.
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*/
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private static boolean isVowel(char c){
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return (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u');
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}
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/**
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* Translate an english string to tengwar.
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* @param englishString english string.
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* @return tengwar string.
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*/
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public static String translateToTengwar(String englishString){
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StringBuilder result = new StringBuilder(englishString.length());
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String input = englishString.toLowerCase().trim();
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for (int i = 0; i < input.length(); i++){
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//Attempt to get previous, current, and next char.
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char currentChar = input.charAt(i);
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char previousChar = 0;
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char nextChar = 0;
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try{
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previousChar = input.charAt(i-1);
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} catch (IndexOutOfBoundsException e){
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}
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try{
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nextChar = input.charAt(i+1);
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} catch (IndexOutOfBoundsException e){
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}
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//Test if the current char is a vowel.
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if (isVowel(currentChar)){
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if (consonantChars.containsKey(nextChar)){
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//If the next character can have a vowel placed on it, then go here.
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//Temporary storage for the character that will be added before the vowel.
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char tengwarCharToBeAdded;
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boolean needsBar = false;
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char secondNextChar = 0;
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//Check if the next char is a compound first.
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try{
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secondNextChar = input.charAt(i+2);
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} catch (IndexOutOfBoundsException e){
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//Do nothing. second next char doesn't exist.
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}
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if (compoundChars.containsKey(""+nextChar+secondNextChar)) {
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tengwarCharToBeAdded = compoundChars.get("" + nextChar + secondNextChar);
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i++;
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} else if (alternateChars.containsKey(nextChar)){
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//Not a compound, so now check for alternates.
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tengwarCharToBeAdded = alternateChars.get(nextChar);
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} else if (nextChar == 'r' && isVowel(secondNextChar)){
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//Special case if there is an r next, with a vowel after it.
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tengwarCharToBeAdded = R_ALT;
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} else {
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//Finally, add a literal consonant.
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tengwarCharToBeAdded = consonantChars.get(nextChar);
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}
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//Check to see if a bar should be added, and the next character skipped.
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if (nextChar == secondNextChar){
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//Bar should be added.
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needsBar = true;
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i++;
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}
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result.append(tengwarCharToBeAdded);
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result.append(getAppropriateVowel(tengwarCharToBeAdded, currentChar));
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if (needsBar)
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result.append(bars.get(barSizes.get(tengwarCharToBeAdded)));
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i++;
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} else {
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//The next character is not able to have a vowel placed on it, so use a carrier.
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if (currentChar == 'e' && (i == input.length()-1 || punctuationChars.containsKey(nextChar))){
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//Use a silent e because the next char is a punctuation or the end of the string.
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try{
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result.append(getAppropriateSilentE(result.charAt(result.length()-1)));
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} catch (IndexOutOfBoundsException e){
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result.append(E_UNDER_1);
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}
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continue;
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}
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if (currentChar == nextChar){
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//Add a long carrier, and skip the next character, because it is the same.
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result.append(CARRIER_LONG);
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result.append(getAppropriateVowel(CARRIER_LONG, currentChar));
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i++;
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} else {
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//Add a short carrier.
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result.append(CARRIER_SHORT);
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result.append(getAppropriateVowel(CARRIER_SHORT, currentChar));
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}
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}
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//Done with vowel checking.
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} else {
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//Character is not a vowel, so consonant, compound, number, or punctuation.
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if (compoundChars.containsKey(""+currentChar+nextChar)){
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//current char and next char are a compound, so add it and skip the next iteration.
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result.append(compoundChars.get(""+currentChar+nextChar));
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i++;
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} else if (isVowel(nextChar) && currentChar == 'r') {
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//Special case for r vowel.
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result.append(R_ALT);
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} else {
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||
//Character can be literally translated from numbers or consonants or punctuation.
|
||
if (consonantChars.containsKey(currentChar)) {
|
||
result.append(consonantChars.get(currentChar));
|
||
if (currentChar == nextChar) {
|
||
//double consonant found, add a bar.
|
||
result.append(bars.get(barSizes.get(consonantChars.get(currentChar))));
|
||
i++;
|
||
}
|
||
} else if (punctuationChars.containsKey(currentChar)) {
|
||
result.append(punctuationChars.get(currentChar));
|
||
} else if (numberChars.containsKey(currentChar)) {
|
||
result.append(numberChars.get(currentChar));
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return result.toString();
|
||
}
|
||
}
|