1e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt/* 2e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt******************************************************************************* 3e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt* Copyright (C) 2001-2009, International Business Machines 4e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt* Corporation and others. All Rights Reserved. 5e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt******************************************************************************* 6e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt*/ 7e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 8e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt/* 9e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Ported with minor modifications from ICU4J 4.2's 10e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * com.ibm.icu.text.ArabicShaping class. 11e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 12e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 13e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Feltpackage android.icu.text; 14e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 15e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 16e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt/** 17e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Shape Arabic text on a character basis. 18e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 19e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * <p>ArabicShaping performs basic operations for "shaping" Arabic text. It is most 20e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * useful for use with legacy data formats and legacy display technology 21e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * (simple terminals). All operations are performed on Unicode characters.</p> 22e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 23e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * <p>Text-based shaping means that some character code points in the text are 24e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * replaced by others depending on the context. It transforms one kind of text 25e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * into another. In comparison, modern displays for Arabic text select 26e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * appropriate, context-dependent font glyphs for each text element, which means 27e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * that they transform text into a glyph vector.</p> 28e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 29e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * <p>Text transformations are necessary when modern display technology is not 30e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * available or when text needs to be transformed to or from legacy formats that 31e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * use "shaped" characters. Since the Arabic script is cursive, connecting 32e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * adjacent letters to each other, computers select images for each letter based 33e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * on the surrounding letters. This usually results in four images per Arabic 34e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * letter: initial, middle, final, and isolated forms. In Unicode, on the other 35e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * hand, letters are normally stored abstract, and a display system is expected 36e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * to select the necessary glyphs. (This makes searching and other text 37e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * processing easier because the same letter has only one code.) It is possible 38e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * to mimic this with text transformations because there are characters in 39e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Unicode that are rendered as letters with a specific shape 40e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * (or cursive connectivity). They were included for interoperability with 41e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * legacy systems and codepages, and for unsophisticated display systems.</p> 42e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 43e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * <p>A second kind of text transformations is supported for Arabic digits: 44e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * For compatibility with legacy codepages that only include European digits, 45e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * it is possible to replace one set of digits by another, changing the 46e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * character code points. These operations can be performed for either 47e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Arabic-Indic Digits (U+0660...U+0669) or Eastern (Extended) Arabic-Indic 48e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * digits (U+06f0...U+06f9).</p> 49e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 50e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * <p>Some replacements may result in more or fewer characters (code points). 51e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * By default, this means that the destination buffer may receive text with a 52e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * length different from the source length. Some legacy systems rely on the 53e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * length of the text to be constant. They expect extra spaces to be added 54e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * or consumed either next to the affected character or at the end of the 55e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * text.</p> 56e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 57e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 58e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @hide 59e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 60e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Feltpublic class ArabicShaping { 61e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private final int options; 62e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private boolean isLogical; // convenience 63e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private boolean spacesRelativeToTextBeginEnd; 64e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private char tailChar; 65e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 66e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final ArabicShaping SHAPER = new ArabicShaping( 67e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ArabicShaping.TEXT_DIRECTION_LOGICAL | 68e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ArabicShaping.LENGTH_FIXED_SPACES_NEAR | 69e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ArabicShaping.LETTERS_SHAPE | 70e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ArabicShaping.DIGITS_NOOP); 71e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 72e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 73e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Convert a range of text in the source array, putting the result 74e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * into a range of text in the destination array, and return the number 75e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * of characters written. 76e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 77e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @param source An array containing the input text 78e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @param sourceStart The start of the range of text to convert 79e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @param sourceLength The length of the range of text to convert 80e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @param dest The destination array that will receive the result. 81e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * It may be <code>NULL</code> only if <code>destSize</code> is 0. 82e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @param destStart The start of the range of the destination buffer to use. 83e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @param destSize The size (capacity) of the destination buffer. 84e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If <code>destSize</code> is 0, then no output is produced, 85e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * but the necessary buffer size is returned ("preflighting"). This 86e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * does not validate the text against the options, for example, 87e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * if letters are being unshaped, and spaces are being consumed 88e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * following lamalef, this will not detect a lamalef without a 89e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * corresponding space. An error will be thrown when the actual 90e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * conversion is attempted. 91e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @return The number of chars written to the destination buffer. 92e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If an error occurs, then no output was written, or it may be 93e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * incomplete. 94e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @throws ArabicShapingException if the text cannot be converted according to the options. 95e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 96e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 97e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public int shape(char[] source, int sourceStart, int sourceLength, 98e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char[] dest, int destStart, int destSize) throws ArabicShapingException { 99e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (source == null) { 100e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new IllegalArgumentException("source can not be null"); 101e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 102e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (sourceStart < 0 || sourceLength < 0 || sourceStart + sourceLength > source.length) { 103e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new IllegalArgumentException("bad source start (" + sourceStart + 104e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ") or length (" + sourceLength + 105e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ") for buffer of length " + source.length); 106e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 107e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (dest == null && destSize != 0) { 108e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new IllegalArgumentException("null dest requires destSize == 0"); 109e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 110e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ((destSize != 0) && 111e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (destStart < 0 || destSize < 0 || destStart + destSize > dest.length)) { 112e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new IllegalArgumentException("bad dest start (" + destStart + 113e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ") or size (" + destSize + 114e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ") for buffer of length " + dest.length); 115e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 116e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* Validate input options */ 117e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ( ((options&TASHKEEL_MASK) > 0) && 118e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt !(((options & TASHKEEL_MASK)==TASHKEEL_BEGIN) || 119e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ((options & TASHKEEL_MASK)==TASHKEEL_END ) || 120e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ((options & TASHKEEL_MASK)==TASHKEEL_RESIZE )|| 121e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ((options & TASHKEEL_MASK)==TASHKEEL_REPLACE_BY_TATWEEL)) ){ 122e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new IllegalArgumentException("Wrong Tashkeel argument"); 123e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 124e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 125e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ///CLOVER:OFF 126e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt //According to Steven Loomis, the code is unreachable when you OR all the constants within the if statements 127e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(((options&LAMALEF_MASK) > 0)&& 128e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt !(((options & LAMALEF_MASK)==LAMALEF_BEGIN) || 129e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ((options & LAMALEF_MASK)==LAMALEF_END ) || 130e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ((options & LAMALEF_MASK)==LAMALEF_RESIZE )|| 131e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ((options & LAMALEF_MASK)==LAMALEF_AUTO) || 132e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ((options & LAMALEF_MASK)==LAMALEF_NEAR))){ 133e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new IllegalArgumentException("Wrong Lam Alef argument"); 134e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 135e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ///CLOVER:ON 136e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 137e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* Validate Tashkeel (Tashkeel replacement options should be enabled in shaping mode only)*/ 138e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(((options&TASHKEEL_MASK) > 0) && (options&LETTERS_MASK) == LETTERS_UNSHAPE) { 139e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new IllegalArgumentException("Tashkeel replacement should not be enabled in deshaping mode "); 140e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 141e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return internalShape(source, sourceStart, sourceLength, dest, destStart, destSize); 142e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 143e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 144e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 145e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Convert a range of text in place. This may only be used if the Length option 146e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * does not grow or shrink the text. 147e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 148e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @param source An array containing the input text 149e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @param start The start of the range of text to convert 150e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @param length The length of the range of text to convert 151e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @throws ArabicShapingException if the text cannot be converted according to the options. 152e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 153e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 154e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public void shape(char[] source, int start, int length) throws ArabicShapingException { 155e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ((options & LAMALEF_MASK) == LAMALEF_RESIZE) { 156e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new ArabicShapingException("Cannot shape in place with length option resize."); 157e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 158e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt shape(source, start, length, source, start, length); 159e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 160e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 161e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 162e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Convert a string, returning the new string. 163e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 164e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @param text the string to convert 165e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @return the converted string 166e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @throws ArabicShapingException if the string cannot be converted according to the options. 167e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 168e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 169e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public String shape(String text) throws ArabicShapingException { 170e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char[] src = text.toCharArray(); 171e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char[] dest = src; 172e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (((options & LAMALEF_MASK) == LAMALEF_RESIZE) && 173e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ((options & LETTERS_MASK) == LETTERS_UNSHAPE)) { 174e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 175e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest = new char[src.length * 2]; // max 176e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 177e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int len = shape(src, 0, src.length, dest, 0, dest.length); 178e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 179e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return new String(dest, 0, len); 180e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 181e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 182e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 183e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Construct ArabicShaping using the options flags. 184e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * The flags are as follows:<br> 185e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 'LENGTH' flags control whether the text can change size, and if not, 186e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * how to maintain the size of the text when LamAlef ligatures are 187e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * formed or broken.<br> 188e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 'TEXT_DIRECTION' flags control whether the text is read and written 189e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * in visual order or in logical order.<br> 190e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 'LETTERS_SHAPE' flags control whether conversion is to or from 191e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * presentation forms.<br> 192e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 'DIGITS' flags control whether digits are shaped, and whether from 193e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * European to Arabic-Indic or vice-versa.<br> 194e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 'DIGIT_TYPE' flags control whether standard or extended Arabic-Indic 195e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * digits are used when performing digit conversion. 196e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 197e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 198e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public ArabicShaping(int options) { 199e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt this.options = options; 200e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ((options & DIGITS_MASK) > 0x80) { 201e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new IllegalArgumentException("bad DIGITS options"); 202e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 203e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 204e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt isLogical = ( (options & TEXT_DIRECTION_MASK) == TEXT_DIRECTION_LOGICAL ); 205e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* Validate options */ 206e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spacesRelativeToTextBeginEnd = ( (options & SPACES_RELATIVE_TO_TEXT_MASK) == SPACES_RELATIVE_TO_TEXT_BEGIN_END ); 207e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ( (options&SHAPE_TAIL_TYPE_MASK) == SHAPE_TAIL_NEW_UNICODE){ 208e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt tailChar = NEW_TAIL_CHAR; 209e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 210e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt tailChar = OLD_TAIL_CHAR; 211e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 212e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 213e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 214e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* Seen Tail options */ 215e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 216e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: the result must have the same length as the source. 217e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Shaping mode: The SEEN family character will expand into two characters using space near 218e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * the SEEN family character(i.e. the space after the character). 219e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * if there are no spaces found, ArabicShapingException will be thrown 220e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 221e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * De-shaping mode: Any Seen character followed by Tail character will be 222e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * replaced by one cell Seen and a space will replace the Tail. 223e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: Seen options 224e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 225e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int SEEN_TWOCELL_NEAR = 0x200000; 226e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 227e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** Bit mask for Seen memory options. */ 228e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int SEEN_MASK = 0x700000; 229e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 230e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* YehHamza options */ 231e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 232e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: the result must have the same length as the source. 233e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Shaping mode: The YEHHAMZA character will expand into two characters using space near it 234e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * (i.e. the space after the character) 235e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * if there are no spaces found, ArabicShapingException will be thrown 236e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 237e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * De-shaping mode: Any Yeh (final or isolated) character followed by Hamza character will be 238e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * replaced by one cell YehHamza and space will replace the Hamza. 239e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: YehHamza options 240e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 241e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int YEHHAMZA_TWOCELL_NEAR = 0x1000000; 242e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 243e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 244e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** Bit mask for YehHamza memory options. */ 245e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int YEHHAMZA_MASK = 0x3800000; 246e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 247e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* New Tashkeel options */ 248e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 249e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: the result must have the same length as the source. 250e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Shaping mode: Tashkeel characters will be replaced by spaces. 251e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Spaces will be placed at beginning of the buffer 252e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 253e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * De-shaping mode: N/A 254e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: Tashkeel options 255e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 256e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int TASHKEEL_BEGIN = 0x40000; 257e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 258e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 259e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: the result must have the same length as the source. 260e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Shaping mode: Tashkeel characters will be replaced by spaces. 261e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Spaces will be placed at end of the buffer 262e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 263e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * De-shaping mode: N/A 264e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: Tashkeel options 265e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 266e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int TASHKEEL_END = 0x60000; 267e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 268e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 269e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: allow the result to have a different length than the source. 270e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Shaping mode: Tashkeel characters will be removed, buffer length will shrink. 271e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * De-shaping mode: N/A 272e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 273e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: Tashkeel options 274e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 275e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int TASHKEEL_RESIZE = 0x80000; 276e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 277e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 278e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: the result must have the same length as the source. 279e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Shaping mode: Tashkeel characters will be replaced by Tatweel if it is connected to adjacent 280e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * characters (i.e. shaped on Tatweel) or replaced by space if it is not connected. 281e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 282e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * De-shaping mode: N/A 283e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: YehHamza options 284e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 285e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int TASHKEEL_REPLACE_BY_TATWEEL = 0xC0000; 286e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 287e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** Bit mask for Tashkeel replacement with Space or Tatweel memory options. */ 288e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int TASHKEEL_MASK = 0xE0000; 289e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 290e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* Space location Control options */ 291e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 292e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * This option effects the meaning of BEGIN and END options. if this option is not used the default 293e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * for BEGIN and END will be as following: 294e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * The Default (for both Visual LTR, Visual RTL and Logical Text) 295e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 1. BEGIN always refers to the start address of physical memory. 296e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 2. END always refers to the end address of physical memory. 297e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 298e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If this option is used it will swap the meaning of BEGIN and END only for Visual LTR text. 299e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 300e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * The affect on BEGIN and END Memory Options will be as following: 301e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * A. BEGIN For Visual LTR text: This will be the beginning (right side) of the visual text 302e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * (corresponding to the physical memory address end, same as END in default behavior) 303e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * B. BEGIN For Logical text: Same as BEGIN in default behavior. 304e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * C. END For Visual LTR text: This will be the end (left side) of the visual text. (corresponding to 305e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * the physical memory address beginning, same as BEGIN in default behavior) 306e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * D. END For Logical text: Same as END in default behavior. 307e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: All LamAlef BEGIN, END and AUTO options. 308e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 309e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int SPACES_RELATIVE_TO_TEXT_BEGIN_END = 0x4000000; 310e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 311e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** Bit mask for swapping BEGIN and END for Visual LTR text */ 312e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int SPACES_RELATIVE_TO_TEXT_MASK = 0x4000000; 313e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 314e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 315e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If this option is used, shaping will use the new Unicode code point for TAIL (i.e. 0xFE73). 316e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If this option is not specified (Default), old unofficial Unicode TAIL code point is used (i.e. 0x200B) 317e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * De-shaping will not use this option as it will always search for both the new Unicode code point for the 318e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * TAIL (i.e. 0xFE73) or the old unofficial Unicode TAIL code point (i.e. 0x200B) and de-shape the 319e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Seen-Family letter accordingly. 320e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 321e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Shaping Mode: Only shaping. 322e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * De-shaping Mode: N/A. 323e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: All Seen options 324e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 325e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int SHAPE_TAIL_NEW_UNICODE = 0x8000000; 326e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 327e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** Bit mask for new Unicode Tail option */ 328e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int SHAPE_TAIL_TYPE_MASK = 0x8000000; 329e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 330e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 331e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: allow the result to have a different length than the source. 332e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 333e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 334e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LENGTH_GROW_SHRINK = 0; 335e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 336e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 337e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: allow the result to have a different length than the source. 338e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: LamAlef options 339e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * This option is an alias to LENGTH_GROW_SHRINK 340e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 341e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LAMALEF_RESIZE = 0; 342e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 343e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 344e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: the result must have the same length as the source. 345e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If more room is necessary, then try to consume spaces next to modified characters. 346e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 347e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 348e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LENGTH_FIXED_SPACES_NEAR = 1; 349e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 350e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 351e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: the result must have the same length as the source. 352e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If more room is necessary, then try to consume spaces next to modified characters. 353e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: LamAlef options 354e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * This option is an alias to LENGTH_FIXED_SPACES_NEAR 355e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 356e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LAMALEF_NEAR = 1 ; 357e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 358e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 359e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: the result must have the same length as the source. 360e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If more room is necessary, then try to consume spaces at the end of the text. 361e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 362e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 363e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LENGTH_FIXED_SPACES_AT_END = 2; 364e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 365e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 366e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 367e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: the result must have the same length as the source. 368e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If more room is necessary, then try to consume spaces at the end of the text. 369e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: LamAlef options 370e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * This option is an alias to LENGTH_FIXED_SPACES_AT_END 371e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 372e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LAMALEF_END = 2; 373e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 374e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 375e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: the result must have the same length as the source. 376e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If more room is necessary, then try to consume spaces at the beginning of the text. 377e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 378e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 379e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LENGTH_FIXED_SPACES_AT_BEGINNING = 3; 380e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 381e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 382e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: the result must have the same length as the source. 383e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If more room is necessary, then try to consume spaces at the beginning of the text. 384e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: LamAlef options 385e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * This option is an alias to LENGTH_FIXED_SPACES_AT_BEGINNING 386e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 387e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LAMALEF_BEGIN = 3; 388e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 389e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 390e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Memory option: the result must have the same length as the source. 391e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Shaping Mode: For each LAMALEF character found, expand LAMALEF using space at end. 392e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If there is no space at end, use spaces at beginning of the buffer. If there 393e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * is no space at beginning of the buffer, use spaces at the near (i.e. the space 394e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * after the LAMALEF character). 395e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 396e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Deshaping Mode: Perform the same function as the flag equals LAMALEF_END. 397e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Affects: LamAlef options 398e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 399e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LAMALEF_AUTO = 0x10000; 400e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 401e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 402e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Bit mask for memory options. 403e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 404e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 405e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LENGTH_MASK = 0x10003; 406e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 407e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** Bit mask for LamAlef memory options. */ 408e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 409e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LAMALEF_MASK = 0x10003; 410e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 411e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 412e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Direction indicator: the source is in logical (keyboard) order. 413e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 414e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 415e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int TEXT_DIRECTION_LOGICAL = 0; 416e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 417e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 418e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Direction indicator:the source is in visual RTL order, 419e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * the rightmost displayed character stored first. 420e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * This option is an alias to U_SHAPE_TEXT_DIRECTION_LOGICAL 421e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 422e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int TEXT_DIRECTION_VISUAL_RTL = 0; 423e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 424e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 425e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Direction indicator: the source is in visual (display) order, that is, 426e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * the leftmost displayed character is stored first. 427e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 428e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 429e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int TEXT_DIRECTION_VISUAL_LTR = 4; 430e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 431e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 432e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Bit mask for direction indicators. 433e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 434e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 435e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int TEXT_DIRECTION_MASK = 4; 436e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 437e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 438e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 439e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Letter shaping option: do not perform letter shaping. 440e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 441e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 442e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LETTERS_NOOP = 0; 443e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 444e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 445e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Letter shaping option: replace normative letter characters in the U+0600 (Arabic) block, 446e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * by shaped ones in the U+FE70 (Presentation Forms B) block. Performs Lam-Alef ligature 447e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * substitution. 448e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 449e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 450e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LETTERS_SHAPE = 8; 451e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 452e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 453e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Letter shaping option: replace shaped letter characters in the U+FE70 (Presentation Forms B) block 454e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * by normative ones in the U+0600 (Arabic) block. Converts Lam-Alef ligatures to pairs of Lam and 455e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Alef characters, consuming spaces if required. 456e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 457e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 458e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LETTERS_UNSHAPE = 0x10; 459e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 460e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 461e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Letter shaping option: replace normative letter characters in the U+0600 (Arabic) block, 462e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * except for the TASHKEEL characters at U+064B...U+0652, by shaped ones in the U+Fe70 463e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * (Presentation Forms B) block. The TASHKEEL characters will always be converted to 464e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * the isolated forms rather than to their correct shape. 465e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 466e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 467e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LETTERS_SHAPE_TASHKEEL_ISOLATED = 0x18; 468e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 469e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 470e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Bit mask for letter shaping options. 471e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 472e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 473e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int LETTERS_MASK = 0x18; 474e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 475e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 476e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 477e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Digit shaping option: do not perform digit shaping. 478e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 479e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 480e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int DIGITS_NOOP = 0; 481e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 482e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 483e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Digit shaping option: Replace European digits (U+0030...U+0039) by Arabic-Indic digits. 484e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 485e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 486e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int DIGITS_EN2AN = 0x20; 487e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 488e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 489e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Digit shaping option: Replace Arabic-Indic digits by European digits (U+0030...U+0039). 490e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 491e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 492e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int DIGITS_AN2EN = 0x40; 493e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 494e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 495e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Digit shaping option: 496e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Replace European digits (U+0030...U+0039) by Arabic-Indic digits 497e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * if the most recent strongly directional character 498e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * is an Arabic letter (its Bidi direction value is RIGHT_TO_LEFT_ARABIC). 499e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * The initial state at the start of the text is assumed to be not an Arabic, 500e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * letter, so European digits at the start of the text will not change. 501e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Compare to DIGITS_ALEN2AN_INIT_AL. 502e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 503e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 504e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int DIGITS_EN2AN_INIT_LR = 0x60; 505e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 506e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 507e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Digit shaping option: 508e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Replace European digits (U+0030...U+0039) by Arabic-Indic digits 509e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * if the most recent strongly directional character 510e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * is an Arabic letter (its Bidi direction value is RIGHT_TO_LEFT_ARABIC). 511e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * The initial state at the start of the text is assumed to be an Arabic, 512e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * letter, so European digits at the start of the text will change. 513e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Compare to DIGITS_ALEN2AN_INT_LR. 514e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 515e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 516e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int DIGITS_EN2AN_INIT_AL = 0x80; 517e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 518e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** Not a valid option value. */ 519e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt //private static final int DIGITS_RESERVED = 0xa0; 520e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 521e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 522e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Bit mask for digit shaping options. 523e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 524e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 525e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int DIGITS_MASK = 0xe0; 526e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 527e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 528e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Digit type option: Use Arabic-Indic digits (U+0660...U+0669). 529e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 530e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 531e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int DIGIT_TYPE_AN = 0; 532e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 533e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 534e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Digit type option: Use Eastern (Extended) Arabic-Indic digits (U+06f0...U+06f9). 535e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 536e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 537e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int DIGIT_TYPE_AN_EXTENDED = 0x100; 538e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 539e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 540e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Bit mask for digit type options. 541e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 542e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 543e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static final int DIGIT_TYPE_MASK = 0x0100; // 0x3f00? 544e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 545e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 546e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * some constants 547e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 548e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char HAMZAFE_CHAR = '\ufe80'; 549e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char HAMZA06_CHAR = '\u0621'; 550e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char YEH_HAMZA_CHAR = '\u0626'; 551e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char YEH_HAMZAFE_CHAR = '\uFE89'; 552e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char LAMALEF_SPACE_SUB = '\uffff'; 553e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char TASHKEEL_SPACE_SUB = '\ufffe'; 554e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char LAM_CHAR = '\u0644'; 555e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char SPACE_CHAR = '\u0020'; 556e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char SPACE_CHAR_FOR_LAMALEF = '\ufeff'; // XXX: tweak for TextLine use 557e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char SHADDA_CHAR = '\uFE7C'; 558e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char TATWEEL_CHAR = '\u0640'; 559e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char SHADDA_TATWEEL_CHAR = '\uFE7D'; 560e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char NEW_TAIL_CHAR = '\uFE73'; 561e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char OLD_TAIL_CHAR = '\u200B'; 562e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int SHAPE_MODE = 0; 563e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int DESHAPE_MODE = 1; 564e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 565e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 566e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 567e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 568e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public boolean equals(Object rhs) { 569e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return rhs != null && 570e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt rhs.getClass() == ArabicShaping.class && 571e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt options == ((ArabicShaping)rhs).options; 572e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 573e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 574e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 575e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 576e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 577e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ///CLOVER:OFF 578e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public int hashCode() { 579e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return options; 580e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 581e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 582e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /** 583e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * @stable ICU 2.0 584e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 585e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public String toString() { 586e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt StringBuffer buf = new StringBuffer(super.toString()); 587e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt buf.append('['); 588e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 589e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (options & LAMALEF_MASK) { 590e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LAMALEF_RESIZE: buf.append("LamAlef resize"); break; 591e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LAMALEF_NEAR: buf.append("LamAlef spaces at near"); break; 592e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LAMALEF_BEGIN: buf.append("LamAlef spaces at begin"); break; 593e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LAMALEF_END: buf.append("LamAlef spaces at end"); break; 594e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LAMALEF_AUTO: buf.append("lamAlef auto"); break; 595e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 596e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (options & TEXT_DIRECTION_MASK) { 597e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case TEXT_DIRECTION_LOGICAL: buf.append(", logical"); break; 598e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case TEXT_DIRECTION_VISUAL_LTR: buf.append(", visual"); break; 599e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 600e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (options & LETTERS_MASK) { 601e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LETTERS_NOOP: buf.append(", no letter shaping"); break; 602e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LETTERS_SHAPE: buf.append(", shape letters"); break; 603e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LETTERS_SHAPE_TASHKEEL_ISOLATED: buf.append(", shape letters tashkeel isolated"); break; 604e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LETTERS_UNSHAPE: buf.append(", unshape letters"); break; 605e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 606e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (options & SEEN_MASK) { 607e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case SEEN_TWOCELL_NEAR: buf.append(", Seen at near"); break; 608e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 609e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (options & YEHHAMZA_MASK) { 610e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case YEHHAMZA_TWOCELL_NEAR: buf.append(", Yeh Hamza at near"); break; 611e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 612e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (options & TASHKEEL_MASK) { 613e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case TASHKEEL_BEGIN: buf.append(", Tashkeel at begin"); break; 614e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case TASHKEEL_END: buf.append(", Tashkeel at end"); break; 615e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case TASHKEEL_REPLACE_BY_TATWEEL: buf.append(", Tashkeel replace with tatweel"); break; 616e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case TASHKEEL_RESIZE: buf.append(", Tashkeel resize"); break; 617e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 618e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 619e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (options & DIGITS_MASK) { 620e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGITS_NOOP: buf.append(", no digit shaping"); break; 621e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGITS_EN2AN: buf.append(", shape digits to AN"); break; 622e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGITS_AN2EN: buf.append(", shape digits to EN"); break; 623e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGITS_EN2AN_INIT_LR: buf.append(", shape digits to AN contextually: default EN"); break; 624e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGITS_EN2AN_INIT_AL: buf.append(", shape digits to AN contextually: default AL"); break; 625e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 626e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (options & DIGIT_TYPE_MASK) { 627e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGIT_TYPE_AN: buf.append(", standard Arabic-Indic digits"); break; 628e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGIT_TYPE_AN_EXTENDED: buf.append(", extended Arabic-Indic digits"); break; 629e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 630e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt buf.append("]"); 631e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 632e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return buf.toString(); 633e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 634e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ///CLOVER:ON 635e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 636e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // 637e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // ported api 638e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // 639e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 640e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int IRRELEVANT = 4; 641e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int LAMTYPE = 16; 642e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int ALEFTYPE = 32; 643e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 644e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int LINKR = 1; 645e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int LINKL = 2; 646e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int LINK_MASK = 3; 647e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 648e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int irrelevantPos[] = { 649e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 0x0, 0x2, 0x4, 0x6, 0x8, 0xA, 0xC, 0xE 650e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }; 651e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 652e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt/* 653e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char convertLamAlef[] = { 654e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt '\u0622', // FEF5 655e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt '\u0622', // FEF6 656e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt '\u0623', // FEF7 657e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt '\u0623', // FEF8 658e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt '\u0625', // FEF9 659e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt '\u0625', // FEFA 660e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt '\u0627', // FEFB 661e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt '\u0627' // FEFC 662e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }; 663e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt*/ 664e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 665e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int tailFamilyIsolatedFinal[] = { 666e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEB1 */ 1, 667e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEB2 */ 1, 668e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEB3 */ 0, 669e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEB4 */ 0, 670e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEB5 */ 1, 671e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEB6 */ 1, 672e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEB7 */ 0, 673e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEB8 */ 0, 674e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEB9 */ 1, 675e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEBA */ 1, 676e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEBB */ 0, 677e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEBC */ 0, 678e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEBD */ 1, 679e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FEBE */ 1 680e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }; 681e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 682e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int tashkeelMedial[] = { 683e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE70 */ 0, 684e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE71 */ 1, 685e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE72 */ 0, 686e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE73 */ 0, 687e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE74 */ 0, 688e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE75 */ 0, 689e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE76 */ 0, 690e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE77 */ 1, 691e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE78 */ 0, 692e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE79 */ 1, 693e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE7A */ 0, 694e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE7B */ 1, 695e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE7C */ 0, 696e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE7D */ 1, 697e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE7E */ 0, 698e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* FE7F */ 1 699e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }; 700e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 701e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char yehHamzaToYeh[] = 702e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt { 703e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* isolated*/ 0xFEEF, 704e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* final */ 0xFEF0 705e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }; 706e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 707e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final char convertNormalizedLamAlef[] = { 708e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt '\u0622', // 065C 709e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt '\u0623', // 065D 710e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt '\u0625', // 065E 711e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt '\u0627', // 065F 712e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }; 713e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 714e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int[] araLink = { 715e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 32 + 256 * 0x11, /*0x0622*/ 716e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 32 + 256 * 0x13, /*0x0623*/ 717e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 256 * 0x15, /*0x0624*/ 718e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 32 + 256 * 0x17, /*0x0625*/ 719e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x19, /*0x0626*/ 720e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 32 + 256 * 0x1D, /*0x0627*/ 721e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x1F, /*0x0628*/ 722e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 256 * 0x23, /*0x0629*/ 723e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x25, /*0x062A*/ 724e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x29, /*0x062B*/ 725e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x2D, /*0x062C*/ 726e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x31, /*0x062D*/ 727e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x35, /*0x062E*/ 728e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 256 * 0x39, /*0x062F*/ 729e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 256 * 0x3B, /*0x0630*/ 730e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 256 * 0x3D, /*0x0631*/ 731e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 256 * 0x3F, /*0x0632*/ 732e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x41, /*0x0633*/ 733e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x45, /*0x0634*/ 734e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x49, /*0x0635*/ 735e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x4D, /*0x0636*/ 736e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x51, /*0x0637*/ 737e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x55, /*0x0638*/ 738e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x59, /*0x0639*/ 739e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x5D, /*0x063A*/ 740e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 0, 0, 0, 0, 0, /*0x063B-0x063F*/ 741e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2, /*0x0640*/ 742e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x61, /*0x0641*/ 743e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x65, /*0x0642*/ 744e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x69, /*0x0643*/ 745e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 16 + 256 * 0x6D, /*0x0644*/ 746e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x71, /*0x0645*/ 747e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x75, /*0x0646*/ 748e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x79, /*0x0647*/ 749e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 256 * 0x7D, /*0x0648*/ 750e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 256 * 0x7F, /*0x0649*/ 751e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2 + 256 * 0x81, /*0x064A*/ 752e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 4, 4, 4, 4, /*0x064B-0x064E*/ 753e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 4, 4, 4, 4, /*0x064F-0x0652*/ 754e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 4, 4, 4, 0, 0, /*0x0653-0x0657*/ 755e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 0, 0, 0, 0, /*0x0658-0x065B*/ 756e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 256 * 0x85, /*0x065C*/ 757e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 256 * 0x87, /*0x065D*/ 758e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 256 * 0x89, /*0x065E*/ 759e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 256 * 0x8B, /*0x065F*/ 760e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 0, 0, 0, 0, 0, /*0x0660-0x0664*/ 761e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 0, 0, 0, 0, 0, /*0x0665-0x0669*/ 762e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 0, 0, 0, 0, 0, 0, /*0x066A-0x066F*/ 763e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 4, /*0x0670*/ 764e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 0, /*0x0671*/ 765e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 32, /*0x0672*/ 766e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 32, /*0x0673*/ 767e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 0, /*0x0674*/ 768e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 32, /*0x0675*/ 769e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 1, /*0x0676-0x0677*/ 770e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, 1+2, 1+2, 1+2, 1+2, 1+2, /*0x0678-0x067D*/ 771e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, 1+2, 1+2, 1+2, 1+2, 1+2, /*0x067E-0x0683*/ 772e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, 1+2, 1+2, 1+2, /*0x0684-0x0687*/ 773e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /*0x0688-0x0691*/ 774e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 1, 1, 1, 1, 1, 1, 1, /*0x0692-0x0699*/ 775e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, 1+2, 1+2, 1+2, 1+2, 1+2, /*0x069A-0x06A3*/ 776e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, 1+2, 1+2, 1+2, /*0x069A-0x06A3*/ 777e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, 1+2, 1+2, 1+2, 1+2, 1+2, /*0x06A4-0x06AD*/ 778e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, 1+2, 1+2, 1+2, /*0x06A4-0x06AD*/ 779e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, 1+2, 1+2, 1+2, 1+2, 1+2, /*0x06AE-0x06B7*/ 780e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, 1+2, 1+2, 1+2, /*0x06AE-0x06B7*/ 781e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, 1+2, 1+2, 1+2, 1+2, 1+2, /*0x06B8-0x06BF*/ 782e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, 1+2, /*0x06B8-0x06BF*/ 783e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, /*0x06C0*/ 784e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, /*0x06C1*/ 785e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /*0x06C2-0x06CB*/ 786e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, /*0x06CC*/ 787e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, /*0x06CD*/ 788e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+2, 1+2, 1+2, 1+2, /*0x06CE-0x06D1*/ 789e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 1 /*0x06D2-0x06D3*/ 790e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }; 791e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 792e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int[] presLink = { 793e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2, /*0xFE70*/ 794e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2, /*0xFE71*/ 795e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2, 0, 1+ 2, 0, 1+ 2, /*0xFE72-0xFE76*/ 796e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 2, /*0xFE77*/ 797e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+ 2, 1 + 2, 1+2, 1 + 2, /*0xFE78-0xFE81*/ 798e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1+ 2, 1 + 2, 1+2, 1 + 2, /*0xFE82-0xFE85*/ 799e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 0, 0 + 32, 1 + 32, 0 + 32, /*0xFE86-0xFE89*/ 800e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 32, 0, 1, 0 + 32, /*0xFE8A-0xFE8D*/ 801e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 32, 0, 2, 1 + 2, /*0xFE8E-0xFE91*/ 802e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0 + 32, 1 + 32, 0, /*0xFE92-0xFE95*/ 803e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 2, 1 + 2, 1, 0, /*0xFE96-0xFE99*/ 804e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1 + 2, /*0xFE9A-0xFE9D*/ 805e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1 + 2, /*0xFE9E-0xFEA1*/ 806e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1 + 2, /*0xFEA2-0xFEA5*/ 807e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1 + 2, /*0xFEA6-0xFEA9*/ 808e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1 + 2, /*0xFEAA-0xFEAD*/ 809e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 1, 0, /*0xFEAE-0xFEB1*/ 810e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 1, 0, /*0xFEB2-0xFEB5*/ 811e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFEB6-0xFEB9*/ 812e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFEBA-0xFEBD*/ 813e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFEBE-0xFEC1*/ 814e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFEC2-0xFEC5*/ 815e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFEC6-0xFEC9*/ 816e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFECA-0xFECD*/ 817e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFECE-0xFED1*/ 818e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFED2-0xFED5*/ 819e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFED6-0xFED9*/ 820e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFEDA-0xFEDD*/ 821e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFEDE-0xFEE1*/ 822e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0 + 16, 2 + 16, 1 + 2 +16, /*0xFEE2-0xFEE5*/ 823e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 + 16, 0, 2, 1+2, /*0xFEE6-0xFEE9*/ 824e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFEEA-0xFEED*/ 825e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFEEE-0xFEF1*/ 826e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 1, 0, /*0xFEF2-0xFEF5*/ 827e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 2, 1+2, /*0xFEF6-0xFEF9*/ 828e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 1, 0, /*0xFEFA-0xFEFD*/ 829e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1, 0, 1, 0, 830e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1 831e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }; 832e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 833e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static int[] convertFEto06 = { 834e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /***********0******1******2******3******4******5******6******7******8******9******A******B******C******D******E******F***/ 835e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /*FE7*/ 0x64B, 0x64B, 0x64C, 0x64C, 0x64D, 0x64D, 0x64E, 0x64E, 0x64F, 0x64F, 0x650, 0x650, 0x651, 0x651, 0x652, 0x652, 836e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /*FE8*/ 0x621, 0x622, 0x622, 0x623, 0x623, 0x624, 0x624, 0x625, 0x625, 0x626, 0x626, 0x626, 0x626, 0x627, 0x627, 0x628, 837e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /*FE9*/ 0x628, 0x628, 0x628, 0x629, 0x629, 0x62A, 0x62A, 0x62A, 0x62A, 0x62B, 0x62B, 0x62B, 0x62B, 0x62C, 0x62C, 0x62C, 838e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /*FEA*/ 0x62C, 0x62D, 0x62D, 0x62D, 0x62D, 0x62E, 0x62E, 0x62E, 0x62E, 0x62F, 0x62F, 0x630, 0x630, 0x631, 0x631, 0x632, 839e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /*FEB*/ 0x632, 0x633, 0x633, 0x633, 0x633, 0x634, 0x634, 0x634, 0x634, 0x635, 0x635, 0x635, 0x635, 0x636, 0x636, 0x636, 840e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /*FEC*/ 0x636, 0x637, 0x637, 0x637, 0x637, 0x638, 0x638, 0x638, 0x638, 0x639, 0x639, 0x639, 0x639, 0x63A, 0x63A, 0x63A, 841e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /*FED*/ 0x63A, 0x641, 0x641, 0x641, 0x641, 0x642, 0x642, 0x642, 0x642, 0x643, 0x643, 0x643, 0x643, 0x644, 0x644, 0x644, 842e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /*FEE*/ 0x644, 0x645, 0x645, 0x645, 0x645, 0x646, 0x646, 0x646, 0x646, 0x647, 0x647, 0x647, 0x647, 0x648, 0x648, 0x649, 843e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /*FEF*/ 0x649, 0x64A, 0x64A, 0x64A, 0x64A, 0x65C, 0x65C, 0x65D, 0x65D, 0x65E, 0x65E, 0x65F, 0x65F 844e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }; 845e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 846e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static final int shapeTable[][][] = { 847e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt { {0,0,0,0}, {0,0,0,0}, {0,1,0,3}, {0,1,0,1} }, 848e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt { {0,0,2,2}, {0,0,1,2}, {0,1,1,2}, {0,1,1,3} }, 849e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt { {0,0,0,0}, {0,0,0,0}, {0,1,0,3}, {0,1,0,3} }, 850e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt { {0,0,1,2}, {0,0,1,2}, {0,1,1,2}, {0,1,1,3} } 851e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }; 852e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 853e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 854e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * This function shapes European digits to Arabic-Indic digits 855e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * in-place, writing over the input characters. Data is in visual 856e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * order. 857e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 858e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private void shapeToArabicDigitsWithContext(char[] dest, 859e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int start, 860e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int length, 861e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char digitBase, 862e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean lastStrongWasAL) { 863e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt digitBase -= '0'; // move common adjustment out of loop 864e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 865e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for(int i = start + length; --i >= start;) { 866e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char ch = dest[i]; 867e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (Character.getDirectionality(ch)) { 868e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case Character.DIRECTIONALITY_LEFT_TO_RIGHT: 869e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case Character.DIRECTIONALITY_RIGHT_TO_LEFT: 870e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt lastStrongWasAL = false; 871e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 872e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case Character.DIRECTIONALITY_RIGHT_TO_LEFT_ARABIC: 873e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt lastStrongWasAL = true; 874e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 875e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case Character.DIRECTIONALITY_EUROPEAN_NUMBER: 876e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lastStrongWasAL && ch <= '\u0039') { 877e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = (char)(ch + digitBase); 878e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 879e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 880e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt default: 881e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 882e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 883e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 884e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 885e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 886e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 887e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : invertBuffer 888e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: This function inverts the buffer, it's used 889e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * in case the user specifies the buffer to be 890e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * TEXT_DIRECTION_LOGICAL 891e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 892e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static void invertBuffer(char[] buffer, 893e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int start, 894e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int length) { 895e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 896e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for(int i = start, j = start + length - 1; i < j; i++, --j) { 897e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char temp = buffer[i]; 898e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt buffer[i] = buffer[j]; 899e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt buffer[j] = temp; 900e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 901e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 902e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 903e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 904e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : changeLamAlef 905e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Converts the Alef characters into an equivalent 906e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * LamAlef location in the 0x06xx Range, this is an 907e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * intermediate stage in the operation of the program 908e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * later it'll be converted into the 0xFExx LamAlefs 909e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * in the shaping function. 910e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 911e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static char changeLamAlef(char ch) { 912e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch(ch) { 913e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case '\u0622': return '\u065C'; 914e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case '\u0623': return '\u065D'; 915e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case '\u0625': return '\u065E'; 916e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case '\u0627': return '\u065F'; 917e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt default: return '\u0000'; // not a lamalef 918e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 919e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 920e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 921e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 922e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : specialChar 923e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Special Arabic characters need special handling in the shapeUnicode 924e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * function, this function returns 1 or 2 for these special characters 925e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 926e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static int specialChar(char ch) { 927e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ((ch > '\u0621' && ch < '\u0626') || 928e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (ch == '\u0627') || 929e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (ch > '\u062E' && ch < '\u0633') || 930e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (ch > '\u0647' && ch < '\u064A') || 931e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (ch == '\u0629')) { 932e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 1; 933e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if (ch >= '\u064B' && ch<= '\u0652') { 934e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 2; 935e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if (ch >= 0x0653 && ch <= 0x0655 || 936e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ch == 0x0670 || 937e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ch >= 0xFE70 && ch <= 0xFE7F) { 938e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 3; 939e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 940e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 0; 941e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 942e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 943e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 944e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 945e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : getLink 946e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Resolves the link between the characters as 947e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Arabic characters have four forms : 948e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Isolated, Initial, Middle and Final Form 949e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 950e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static int getLink(char ch) { 951e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (ch >= '\u0622' && ch <= '\u06D3') { 952e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return araLink[ch - '\u0622']; 953e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if (ch == '\u200D') { 954e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 3; 955e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if (ch >= '\u206D' && ch <= '\u206F') { 956e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 4; 957e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if (ch >= '\uFE70' && ch <= '\uFEFC') { 958e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return presLink[ch - '\uFE70']; 959e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 960e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 0; 961e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 962e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 963e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 964e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 965e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : countSpaces 966e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Counts the number of spaces 967e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * at each end of the logical buffer 968e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 969e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static int countSpacesLeft(char[] dest, 970e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int start, 971e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int count) { 972e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int i = start, e = start + count; i < e; ++i) { 973e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (dest[i] != SPACE_CHAR) { 974e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return i - start; 975e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 976e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 977e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return count; 978e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 979e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 980e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static int countSpacesRight(char[] dest, 981e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int start, 982e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int count) { 983e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 984e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int i = start + count; --i >= start;) { 985e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (dest[i] != SPACE_CHAR) { 986e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return start + count - 1 - i; 987e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 988e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 989e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return count; 990e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 991e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 992e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 993e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : isTashkeelChar 994e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Returns true for Tashkeel characters else return false 995e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 996e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static boolean isTashkeelChar(char ch) { 997e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return ( ch >='\u064B' && ch <= '\u0652' ); 998e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 999e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1000e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1001e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Name : isSeenTailFamilyChar 1002e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Function : returns 1 if the character is a seen family isolated character 1003e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * in the FE range otherwise returns 0 1004e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1005e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1006e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static int isSeenTailFamilyChar(char ch) { 1007e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (ch >= 0xfeb1 && ch < 0xfebf){ 1008e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return tailFamilyIsolatedFinal [ch - 0xFEB1]; 1009e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1010e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 0; 1011e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1012e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1013e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1014e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* Name : isSeenFamilyChar 1015e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function : returns 1 if the character is a seen family character in the Unicode 1016e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 06 range otherwise returns 0 1017e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1018e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1019e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static int isSeenFamilyChar(char ch){ 1020e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (ch >= 0x633 && ch <= 0x636){ 1021e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 1; 1022e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else { 1023e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 0; 1024e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1025e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1026e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1027e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1028e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Name : isTailChar 1029e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Function : returns true if the character matches one of the tail characters 1030e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * (0xfe73 or 0x200b) otherwise returns false 1031e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1032e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1033e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static boolean isTailChar(char ch) { 1034e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(ch == OLD_TAIL_CHAR || ch == NEW_TAIL_CHAR){ 1035e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return true; 1036e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else{ 1037e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return false; 1038e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1039e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1040e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1041e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1042e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Name : isAlefMaksouraChar 1043e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Function : returns true if the character is a Alef Maksoura Final or isolated 1044e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * otherwise returns false 1045e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1046e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static boolean isAlefMaksouraChar(char ch) { 1047e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return ( (ch == 0xFEEF) || ( ch == 0xFEF0) || (ch == 0x0649)); 1048e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1049e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1050e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1051e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : isYehHamzaChar 1052e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function : returns true if the character is a yehHamza isolated or yehhamza 1053e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * final is found otherwise returns false 1054e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1055e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static boolean isYehHamzaChar(char ch) { 1056e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if((ch==0xFE89)||(ch==0xFE8A)){ 1057e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return true; 1058e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else{ 1059e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return false; 1060e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1061e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1062e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1063e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1064e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Name : isTashkeelCharFE 1065e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Function : Returns true for Tashkeel characters in FE range else return false 1066e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1067e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1068e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static boolean isTashkeelCharFE(char ch) { 1069e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return ( ch!=0xFE75 &&(ch>=0xFE70 && ch<= 0xFE7F) ); 1070e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1071e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1072e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1073e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name: isTashkeelOnTatweelChar 1074e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Checks if the Tashkeel Character is on Tatweel or not,if the 1075e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Tashkeel on tatweel (FE range), it returns 1 else if the 1076e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Tashkeel with shadda on tatweel (FC range)return 2 otherwise 1077e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * returns 0 1078e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1079e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static int isTashkeelOnTatweelChar(char ch){ 1080e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (ch >= 0xfe70 && ch <= 0xfe7f && ch != NEW_TAIL_CHAR && ch != 0xFE75 && ch != SHADDA_TATWEEL_CHAR) 1081e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt { 1082e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return tashkeelMedial [ch - 0xFE70]; 1083e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if( (ch >= 0xfcf2 && ch <= 0xfcf4) || (ch == SHADDA_TATWEEL_CHAR)) { 1084e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 2; 1085e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1086e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 0; 1087e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1088e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1089e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1090e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1091e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name: isIsolatedTashkeelChar 1092e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Checks if the Tashkeel Character is in the isolated form 1093e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * (i.e. Unicode FE range) returns 1 else if the Tashkeel 1094e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * with shadda is in the isolated form (i.e. Unicode FC range) 1095e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * returns 1 otherwise returns 0 1096e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1097e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static int isIsolatedTashkeelChar(char ch){ 1098e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (ch >= 0xfe70 && ch <= 0xfe7f && ch != NEW_TAIL_CHAR && ch != 0xFE75){ 1099e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return (1 - tashkeelMedial [ch - 0xFE70]); 1100e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if(ch >= 0xfc5e && ch <= 0xfc63){ 1101e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 1; 1102e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else{ 1103e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 0; 1104e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1105e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1106e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1107e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1108e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : isAlefChar 1109e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Returns 1 for Alef characters else return 0 1110e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1111e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static boolean isAlefChar(char ch) { 1112e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return ch == '\u0622' || ch == '\u0623' || ch == '\u0625' || ch == '\u0627'; 1113e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1114e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1115e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1116e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : isLamAlefChar 1117e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Returns true for LamAlef characters else return false 1118e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1119e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static boolean isLamAlefChar(char ch) { 1120e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return ch >= '\uFEF5' && ch <= '\uFEFC'; 1121e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1122e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1123e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static boolean isNormalizedLamAlefChar(char ch) { 1124e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return ch >= '\u065C' && ch <= '\u065F'; 1125e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1126e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1127e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1128e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : calculateSize 1129e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: This function calculates the destSize to be used in preflighting 1130e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * when the destSize is equal to 0 1131e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1132e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private int calculateSize(char[] source, 1133e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int sourceStart, 1134e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int sourceLength) { 1135e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1136e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int destSize = sourceLength; 1137e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1138e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (options & LETTERS_MASK) { 1139e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LETTERS_SHAPE: 1140e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LETTERS_SHAPE_TASHKEEL_ISOLATED: 1141e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (isLogical) { 1142e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int i = sourceStart, e = sourceStart + sourceLength - 1; i < e; ++i) { 1143e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ((source[i] == LAM_CHAR && isAlefChar(source[i+1])) || isTashkeelCharFE(source[i])){ 1144e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt --destSize; 1145e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1146e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1147e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { // visual 1148e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for(int i = sourceStart + 1, e = sourceStart + sourceLength; i < e; ++i) { 1149e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ((source[i] == LAM_CHAR && isAlefChar(source[i-1])) || isTashkeelCharFE(source[i])) { 1150e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt --destSize; 1151e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1152e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1153e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1154e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1155e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1156e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LETTERS_UNSHAPE: 1157e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for(int i = sourceStart, e = sourceStart + sourceLength; i < e; ++i) { 1158e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (isLamAlefChar(source[i])) { 1159e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt destSize++; 1160e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1161e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1162e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1163e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1164e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt default: 1165e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1166e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1167e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1168e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return destSize; 1169e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1170e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1171e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1172e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1173e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : countSpaceSub 1174e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Counts number of times the subChar appears in the array 1175e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1176e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static int countSpaceSub(char [] dest,int length, char subChar){ 1177e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int i = 0; 1178e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int count = 0; 1179e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt while (i < length) { 1180e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (dest[i] == subChar) { 1181e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt count++; 1182e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1183e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt i++; 1184e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1185e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return count; 1186e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1187e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1188e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1189e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : shiftArray 1190e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Shifts characters to replace space sub characters 1191e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1192e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static void shiftArray(char [] dest,int start, int e, char subChar){ 1193e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int w = e; 1194e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int r = e; 1195e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt while (--r >= start) { 1196e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char ch = dest[r]; 1197e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (ch != subChar) { 1198e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt --w; 1199e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (w != r) { 1200e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[w] = ch; 1201e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1202e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1203e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1204e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1205e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1206e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1207e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : flipArray 1208e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: inverts array, so that start becomes end and vice versa 1209e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1210e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt public static int flipArray(char [] dest, int start, int e, int w){ 1211e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int r; 1212e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (w > start) { 1213e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // shift, assume small buffer size so don't use arraycopy 1214e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt r = w; 1215e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w = start; 1216e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt while (r < e) { 1217e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[w++] = dest[r++]; 1218e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1219e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1220e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt w = e; 1221e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1222e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return w; 1223e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1224e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1225e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1226e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : handleTashkeelWithTatweel 1227e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function : Replaces Tashkeel as following: 1228e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Case 1 :if the Tashkeel on tatweel, replace it with Tatweel. 1229e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Case 2 :if the Tashkeel aggregated with Shadda on Tatweel, replace 1230e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * it with Shadda on Tatweel. 1231e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Case 3: if the Tashkeel is isolated replace it with Space. 1232e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 1233e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1234e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static int handleTashkeelWithTatweel(char[] dest, int sourceLength) { 1235e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int i; 1236e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for(i = 0; i < sourceLength; i++){ 1237e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if((isTashkeelOnTatweelChar(dest[i]) == 1)){ 1238e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = TATWEEL_CHAR; 1239e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else if((isTashkeelOnTatweelChar(dest[i]) == 2)){ 1240e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = SHADDA_TATWEEL_CHAR; 1241e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else if((isIsolatedTashkeelChar(dest[i])==1) && dest[i] != SHADDA_CHAR){ 1242e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = SPACE_CHAR; 1243e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1244e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1245e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return sourceLength; 1246e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1247e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1248e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1249e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Name : handleGeneratedSpaces 1250e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Function : The shapeUnicode function converts Lam + Alef into LamAlef + space, 1251e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * and Tashkeel to space. 1252e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * handleGeneratedSpaces function puts these generated spaces 1253e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * according to the options the user specifies. LamAlef and Tashkeel 1254e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * spaces can be replaced at begin, at end, at near or decrease the 1255e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * buffer size. 1256e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 1257e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * There is also Auto option for LamAlef and tashkeel, which will put 1258e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * the spaces at end of the buffer (or end of text if the user used 1259e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * the option SPACES_RELATIVE_TO_TEXT_BEGIN_END). 1260e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * 1261e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If the text type was visual_LTR and the option 1262e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * SPACES_RELATIVE_TO_TEXT_BEGIN_END was selected the END 1263e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * option will place the space at the beginning of the buffer and 1264e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * BEGIN will place the space at the end of the buffer. 1265e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1266e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private int handleGeneratedSpaces(char[] dest, 1267e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int start, 1268e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int length) { 1269e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1270e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lenOptionsLamAlef = options & LAMALEF_MASK; 1271e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lenOptionsTashkeel = options & TASHKEEL_MASK; 1272e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean lamAlefOn = false; 1273e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean tashkeelOn = false; 1274e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1275e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (!isLogical & !spacesRelativeToTextBeginEnd) { 1276e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (lenOptionsLamAlef) { 1277e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LAMALEF_BEGIN: lenOptionsLamAlef = LAMALEF_END; break; 1278e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LAMALEF_END: lenOptionsLamAlef = LAMALEF_BEGIN; break; 1279e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt default: break; 1280e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1281e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (lenOptionsTashkeel){ 1282e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case TASHKEEL_BEGIN: lenOptionsTashkeel = TASHKEEL_END; break; 1283e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case TASHKEEL_END: lenOptionsTashkeel = TASHKEEL_BEGIN; break; 1284e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt default: break; 1285e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1286e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1287e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1288e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1289e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lenOptionsLamAlef == LAMALEF_NEAR) { 1290e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int i = start, e = i + length; i < e; ++i) { 1291e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (dest[i] == LAMALEF_SPACE_SUB) { 1292e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = SPACE_CHAR_FOR_LAMALEF; 1293e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1294e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1295e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1296e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1297e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1298e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt final int e = start + length; 1299e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int wL = countSpaceSub(dest, length, LAMALEF_SPACE_SUB); 1300e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int wT = countSpaceSub(dest, length, TASHKEEL_SPACE_SUB); 1301e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1302e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lenOptionsLamAlef == LAMALEF_END){ 1303e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt lamAlefOn = true; 1304e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1305e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lenOptionsTashkeel == TASHKEEL_END){ 1306e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt tashkeelOn = true; 1307e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1308e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1309e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1310e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lamAlefOn && (lenOptionsLamAlef == LAMALEF_END)) { 1311e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt shiftArray(dest, start, e, LAMALEF_SPACE_SUB); 1312e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt while (wL > start) { 1313e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[--wL] = SPACE_CHAR; 1314e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1315e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1316e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1317e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (tashkeelOn && (lenOptionsTashkeel == TASHKEEL_END)){ 1318e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt shiftArray(dest, start, e, TASHKEEL_SPACE_SUB); 1319e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt while (wT > start) { 1320e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[--wT] = SPACE_CHAR; 1321e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1322e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1323e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1324e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt lamAlefOn = false; 1325e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt tashkeelOn = false; 1326e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1327e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lenOptionsLamAlef == LAMALEF_RESIZE){ 1328e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt lamAlefOn = true; 1329e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1330e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lenOptionsTashkeel == TASHKEEL_RESIZE){ 1331e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt tashkeelOn = true; 1332e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1333e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1334e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lamAlefOn && (lenOptionsLamAlef == LAMALEF_RESIZE)){ 1335e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt shiftArray(dest, start, e, LAMALEF_SPACE_SUB); 1336e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt wL = flipArray(dest,start,e, wL); 1337e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt length = wL - start; 1338e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1339e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (tashkeelOn && (lenOptionsTashkeel == TASHKEEL_RESIZE)) { 1340e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt shiftArray(dest, start, e, TASHKEEL_SPACE_SUB); 1341e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt wT = flipArray(dest,start,e, wT); 1342e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt length = wT - start; 1343e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1344e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1345e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt lamAlefOn = false; 1346e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt tashkeelOn = false; 1347e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1348e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ((lenOptionsLamAlef == LAMALEF_BEGIN) || 1349e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (lenOptionsLamAlef == LAMALEF_AUTO)){ 1350e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt lamAlefOn = true; 1351e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1352e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lenOptionsTashkeel == TASHKEEL_BEGIN){ 1353e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt tashkeelOn = true; 1354e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1355e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1356e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lamAlefOn && ((lenOptionsLamAlef == LAMALEF_BEGIN)|| 1357e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (lenOptionsLamAlef == LAMALEF_AUTO))) { // spaces at beginning 1358e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt shiftArray(dest, start, e, LAMALEF_SPACE_SUB); 1359e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt wL = flipArray(dest,start,e, wL); 1360e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt while (wL < e) { 1361e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[wL++] = SPACE_CHAR; 1362e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1363e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1364e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(tashkeelOn && (lenOptionsTashkeel == TASHKEEL_BEGIN)){ 1365e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt shiftArray(dest, start, e, TASHKEEL_SPACE_SUB); 1366e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt wT = flipArray(dest,start,e, wT); 1367e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt while (wT < e) { 1368e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[wT++] = SPACE_CHAR; 1369e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1370e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1371e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1372e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1373e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return length; 1374e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1375e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1376e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1377e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1378e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Name :expandCompositCharAtBegin 1379e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Function :Expands the LamAlef character to Lam and Alef consuming the required 1380e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * space from beginning of the buffer. If the text type was visual_LTR 1381e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * and the option SPACES_RELATIVE_TO_TEXT_BEGIN_END was selected 1382e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * the spaces will be located at end of buffer. 1383e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * If there are no spaces to expand the LamAlef, an exception is thrown. 1384e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt*/ 1385e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private boolean expandCompositCharAtBegin(char[] dest,int start, int length, 1386e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lacount) { 1387e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean spaceNotFound = false; 1388e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1389e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lacount > countSpacesRight(dest, start, length)) { 1390e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = true; 1391e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return spaceNotFound; 1392e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1393e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int r = start + length - lacount, w = start + length; --r >= start;) { 1394e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char ch = dest[r]; 1395e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (isNormalizedLamAlefChar(ch)) { 1396e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[--w] = LAM_CHAR; 1397e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[--w] = convertNormalizedLamAlef[ch - '\u065C']; 1398e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1399e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[--w] = ch; 1400e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1401e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1402e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return spaceNotFound; 1403e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1404e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1405e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1406e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1407e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Name : expandCompositCharAtEnd 1408e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Function : Expands the LamAlef character to Lam and Alef consuming the 1409e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * required space from end of the buffer. If the text type was 1410e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Visual LTR and the option SPACES_RELATIVE_TO_TEXT_BEGIN_END 1411e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * was used, the spaces will be consumed from begin of buffer. If 1412e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * there are no spaces to expand the LamAlef, an exception is thrown. 1413e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1414e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1415e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private boolean expandCompositCharAtEnd(char[] dest,int start, int length, 1416e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lacount){ 1417e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean spaceNotFound = false; 1418e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1419e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lacount > countSpacesLeft(dest, start, length)) { 1420e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = true; 1421e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return spaceNotFound; 1422e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1423e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int r = start + lacount, w = start, e = start + length; r < e; ++r) { 1424e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char ch = dest[r]; 1425e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (isNormalizedLamAlefChar(ch)) { 1426e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[w++] = convertNormalizedLamAlef[ch - '\u065C']; 1427e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[w++] = LAM_CHAR; 1428e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1429e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[w++] = ch; 1430e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1431e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1432e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return spaceNotFound; 1433e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1434e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1435e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1436e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Name : expandCompositCharAtNear 1437e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt *Function : Expands the LamAlef character into Lam + Alef, YehHamza character 1438e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * into Yeh + Hamza, SeenFamily character into SeenFamily character 1439e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * + Tail, while consuming the space next to the character. 1440e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1441e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1442e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private boolean expandCompositCharAtNear(char[] dest,int start, int length, 1443e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int yehHamzaOption, int seenTailOption, int lamAlefOption){ 1444e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1445e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean spaceNotFound = false; 1446e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1447e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1448e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1449e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (isNormalizedLamAlefChar(dest[start])) { 1450e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = true; 1451e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return spaceNotFound; 1452e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1453e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int i = start + length; --i >=start;) { 1454e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char ch = dest[i]; 1455e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lamAlefOption == 1 && isNormalizedLamAlefChar(ch)) { 1456e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (i>start &&dest[i-1] == SPACE_CHAR) { 1457e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = LAM_CHAR; 1458e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[--i] = convertNormalizedLamAlef[ch - '\u065C']; 1459e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1460e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = true; 1461e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return spaceNotFound; 1462e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1463e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else if(seenTailOption == 1 && isSeenTailFamilyChar(ch) == 1){ 1464e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(i>start &&dest[i-1] == SPACE_CHAR){ 1465e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i-1] = tailChar; 1466e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else{ 1467e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = true; 1468e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return spaceNotFound; 1469e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1470e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else if(yehHamzaOption == 1 && isYehHamzaChar(ch)){ 1471e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1472e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(i>start &&dest[i-1] == SPACE_CHAR){ 1473e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = yehHamzaToYeh[ch - YEH_HAMZAFE_CHAR]; 1474e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i-1] = HAMZAFE_CHAR; 1475e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else{ 1476e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = true; 1477e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return spaceNotFound; 1478e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1479e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1480e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1481e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1482e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1483e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return false; 1484e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1485e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1486e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1487e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1488e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : expandCompositChar 1489e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: LamAlef needs special handling as the LamAlef is 1490e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * one character while expanding it will give two 1491e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * characters Lam + Alef, so we need to expand the LamAlef 1492e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * in near or far spaces according to the options the user 1493e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * specifies or increase the buffer size. 1494e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Dest has enough room for the expansion if we are growing. 1495e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * lamalef are normalized to the 'special characters' 1496e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1497e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private int expandCompositChar(char[] dest, 1498e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int start, 1499e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int length, 1500e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lacount, 1501e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int shapingMode) throws ArabicShapingException { 1502e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1503e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lenOptionsLamAlef = options & LAMALEF_MASK; 1504e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lenOptionsSeen = options & SEEN_MASK; 1505e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lenOptionsYehHamza = options & YEHHAMZA_MASK; 1506e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean spaceNotFound = false; 1507e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1508e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (!isLogical && !spacesRelativeToTextBeginEnd) { 1509e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (lenOptionsLamAlef) { 1510e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LAMALEF_BEGIN: lenOptionsLamAlef = LAMALEF_END; break; 1511e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LAMALEF_END: lenOptionsLamAlef = LAMALEF_BEGIN; break; 1512e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt default: break; 1513e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1514e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1515e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1516e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(shapingMode == 1){ 1517e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(lenOptionsLamAlef == LAMALEF_AUTO){ 1518e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(isLogical){ 1519e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = expandCompositCharAtEnd(dest, start, length, lacount); 1520e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(spaceNotFound){ 1521e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = expandCompositCharAtBegin(dest, start, length, lacount); 1522e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1523e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(spaceNotFound){ 1524e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = expandCompositCharAtNear(dest, start, length,0,0,1); 1525e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1526e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(spaceNotFound){ 1527e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new ArabicShapingException("No spacefor lamalef"); 1528e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1529e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else{ 1530e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = expandCompositCharAtBegin(dest, start, length, lacount); 1531e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(spaceNotFound){ 1532e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = expandCompositCharAtEnd(dest, start, length, lacount); 1533e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1534e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(spaceNotFound){ 1535e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = expandCompositCharAtNear(dest, start, length,0,0,1); 1536e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1537e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(spaceNotFound){ 1538e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new ArabicShapingException("No spacefor lamalef"); 1539e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1540e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1541e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else if(lenOptionsLamAlef == LAMALEF_END){ 1542e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = expandCompositCharAtEnd(dest, start, length, lacount); 1543e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(spaceNotFound){ 1544e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new ArabicShapingException("No spacefor lamalef"); 1545e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1546e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else if(lenOptionsLamAlef == LAMALEF_BEGIN){ 1547e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = expandCompositCharAtBegin(dest, start, length, lacount); 1548e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(spaceNotFound){ 1549e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new ArabicShapingException("No spacefor lamalef"); 1550e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1551e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else if(lenOptionsLamAlef == LAMALEF_NEAR){ 1552e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = expandCompositCharAtNear(dest, start, length,0,0,1); 1553e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(spaceNotFound){ 1554e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new ArabicShapingException("No spacefor lamalef"); 1555e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1556e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else if(lenOptionsLamAlef == LAMALEF_RESIZE){ 1557e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int r = start + length, w = r + lacount; --r >= start;) { 1558e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char ch = dest[r]; 1559e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (isNormalizedLamAlefChar(ch)) { 1560e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[--w] = '\u0644'; 1561e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[--w] = convertNormalizedLamAlef[ch - '\u065C']; 1562e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1563e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[--w] = ch; 1564e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1565e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1566e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt length += lacount; 1567e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1568e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else{ 1569e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(lenOptionsSeen == SEEN_TWOCELL_NEAR){ 1570e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = expandCompositCharAtNear(dest, start, length,0,1,0); 1571e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(spaceNotFound){ 1572e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new ArabicShapingException("No space for Seen tail expansion"); 1573e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1574e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1575e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(lenOptionsYehHamza == YEHHAMZA_TWOCELL_NEAR){ 1576e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt spaceNotFound = expandCompositCharAtNear(dest, start, length,1,0,0); 1577e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if(spaceNotFound){ 1578e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new ArabicShapingException("No space for YehHamza expansion"); 1579e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1580e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1581e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1582e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return length; 1583e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1584e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1585e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1586e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* Convert the input buffer from FExx Range into 06xx Range 1587e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * to put all characters into the 06xx range 1588e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * even the lamalef is converted to the special region in 1589e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * the 06xx range. Return the number of lamalef chars found. 1590e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1591e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private int normalize(char[] dest, int start, int length) { 1592e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lacount = 0; 1593e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int i = start, e = i + length; i < e; ++i) { 1594e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char ch = dest[i]; 1595e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (ch >= '\uFE70' && ch <= '\uFEFC') { 1596e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (isLamAlefChar(ch)) { 1597e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ++lacount; 1598e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1599e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = (char)convertFEto06[ch - '\uFE70']; 1600e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1601e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1602e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return lacount; 1603e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1604e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1605e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1606e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : deshapeNormalize 1607e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Convert the input buffer from FExx Range into 06xx Range 1608e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * even the lamalef is converted to the special region in the 06xx range. 1609e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * According to the options the user enters, all seen family characters 1610e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * followed by a tail character are merged to seen tail family character and 1611e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * any yeh followed by a hamza character are merged to yehhamza character. 1612e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Method returns the number of lamalef chars found. 1613e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1614e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private int deshapeNormalize(char[] dest, int start, int length) { 1615e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lacount = 0; 1616e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int yehHamzaComposeEnabled = 0; 1617e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int seenComposeEnabled = 0; 1618e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1619e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt yehHamzaComposeEnabled = ((options&YEHHAMZA_MASK) == YEHHAMZA_TWOCELL_NEAR) ? 1 : 0; 1620e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt seenComposeEnabled = ((options&SEEN_MASK) == SEEN_TWOCELL_NEAR)? 1 : 0; 1621e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1622e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int i = start, e = i + length; i < e; ++i) { 1623e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char ch = dest[i]; 1624e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1625e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if( (yehHamzaComposeEnabled == 1) && ((ch == HAMZA06_CHAR) || (ch == HAMZAFE_CHAR)) 1626e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt && (i < (length - 1)) && isAlefMaksouraChar(dest[i+1] )) { 1627e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = SPACE_CHAR; 1628e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i+1] = YEH_HAMZA_CHAR; 1629e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if ( (seenComposeEnabled == 1) && (isTailChar(ch)) && (i< (length - 1)) 1630e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt && (isSeenTailFamilyChar(dest[i+1])==1) ) { 1631e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = SPACE_CHAR; 1632e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1633e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt else if (ch >= '\uFE70' && ch <= '\uFEFC') { 1634e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (isLamAlefChar(ch)) { 1635e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ++lacount; 1636e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1637e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = (char)convertFEto06[ch - '\uFE70']; 1638e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1639e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1640e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return lacount; 1641e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1642e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1643e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1644e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : shapeUnicode 1645e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Converts an Arabic Unicode buffer in 06xx Range into a shaped 1646e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * arabic Unicode buffer in FExx Range 1647e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1648e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private int shapeUnicode(char[] dest, 1649e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int start, 1650e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int length, 1651e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int destSize, 1652e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int tashkeelFlag)throws ArabicShapingException { 1653e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1654e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lamalef_count = normalize(dest, start, length); 1655e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1656e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // resolve the link between the characters. 1657e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // Arabic characters have four forms: Isolated, Initial, Medial and Final. 1658e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // Tashkeel characters have two, isolated or medial, and sometimes only isolated. 1659e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // tashkeelFlag == 0: shape normally, 1: shape isolated, 2: don't shape 1660e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1661e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean lamalef_found = false, seenfam_found = false; 1662e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt boolean yehhamza_found = false, tashkeel_found = false; 1663e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int i = start + length - 1; 1664e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int currLink = getLink(dest[i]); 1665e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int nextLink = 0; 1666e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int prevLink = 0; 1667e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lastLink = 0; 1668e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt //int prevPos = i; 1669e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lastPos = i; 1670e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int nx = -2; 1671e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int nw = 0; 1672e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1673e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt while (i >= 0) { 1674e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // If high byte of currLink > 0 then there might be more than one shape 1675e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ((currLink & '\uFF00') > 0 || isTashkeelChar(dest[i])) { 1676e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt nw = i - 1; 1677e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt nx = -2; 1678e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt while (nx < 0) { // we need to know about next char 1679e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (nw == -1) { 1680e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt nextLink = 0; 1681e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt nx = Integer.MAX_VALUE; 1682e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1683e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt nextLink = getLink(dest[nw]); 1684e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ((nextLink & IRRELEVANT) == 0) { 1685e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt nx = nw; 1686e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1687e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt --nw; 1688e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1689e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1690e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1691e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1692e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (((currLink & ALEFTYPE) > 0) && ((lastLink & LAMTYPE) > 0)) { 1693e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt lamalef_found = true; 1694e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char wLamalef = changeLamAlef(dest[i]); // get from 0x065C-0x065f 1695e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (wLamalef != '\u0000') { 1696e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // replace alef by marker, it will be removed later 1697e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = '\uffff'; 1698e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[lastPos] = wLamalef; 1699e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt i = lastPos; 1700e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1701e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1702e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt lastLink = prevLink; 1703e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt currLink = getLink(wLamalef); // requires '\u0000', unfortunately 1704e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1705e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ((i > 0) && (dest[i-1] == SPACE_CHAR)) 1706e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt { 1707e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ( isSeenFamilyChar(dest[i]) == 1){ 1708e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt seenfam_found = true; 1709e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if (dest[i] == YEH_HAMZA_CHAR) { 1710e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt yehhamza_found = true; 1711e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1712e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1713e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt else if(i==0){ 1714e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ( isSeenFamilyChar(dest[i]) == 1){ 1715e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt seenfam_found = true; 1716e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if (dest[i] == YEH_HAMZA_CHAR) { 1717e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt yehhamza_found = true; 1718e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1719e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1720e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1721e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1722e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // get the proper shape according to link ability of neighbors 1723e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // and of character; depends on the order of the shapes 1724e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // (isolated, initial, middle, final) in the compatibility area 1725e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1726e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int flag = specialChar(dest[i]); 1727e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1728e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int shape = shapeTable[nextLink & LINK_MASK] 1729e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt [lastLink & LINK_MASK] 1730e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt [currLink & LINK_MASK]; 1731e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1732e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (flag == 1) { 1733e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt shape &= 0x1; 1734e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if (flag == 2) { 1735e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (tashkeelFlag == 0 && 1736e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ((lastLink & LINKL) != 0) && 1737e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ((nextLink & LINKR) != 0) && 1738e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] != '\u064C' && 1739e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] != '\u064D' && 1740e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt !((nextLink & ALEFTYPE) == ALEFTYPE && 1741e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt (lastLink & LAMTYPE) == LAMTYPE)) { 1742e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1743e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt shape = 1; 1744e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1745e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt shape = 0; 1746e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1747e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1748e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (flag == 2) { 1749e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (tashkeelFlag == 2) { 1750e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = TASHKEEL_SPACE_SUB; 1751e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt tashkeel_found = true; 1752e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1753e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt else{ 1754e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = (char)('\uFE70' + irrelevantPos[dest[i] - '\u064B'] + shape); 1755e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1756e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // else leave tashkeel alone 1757e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1758e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt dest[i] = (char)('\uFE70' + (currLink >> 8) + shape); 1759e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1760e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1761e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1762e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // move one notch forward 1763e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ((currLink & IRRELEVANT) == 0) { 1764e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt prevLink = lastLink; 1765e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt lastLink = currLink; 1766e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt //prevPos = lastPos; 1767e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt lastPos = i; 1768e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1769e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1770e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt --i; 1771e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (i == nx) { 1772e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt currLink = nextLink; 1773e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt nx = -2; 1774e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else if (i != -1) { 1775e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt currLink = getLink(dest[i]); 1776e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1777e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1778e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1779e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // If we found a lam/alef pair in the buffer 1780e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // call handleGeneratedSpaces to remove the spaces that were added 1781e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1782e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt destSize = length; 1783e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lamalef_found || tashkeel_found) { 1784e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt destSize = handleGeneratedSpaces(dest, start, length); 1785e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1786e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (seenfam_found || yehhamza_found){ 1787e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt destSize = expandCompositChar(dest, start, destSize, lamalef_count, SHAPE_MODE); 1788e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1789e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return destSize; 1790e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1791e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1792e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* 1793e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Name : deShapeUnicode 1794e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * Function: Converts an Arabic Unicode buffer in FExx Range into unshaped 1795e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt * arabic Unicode buffer in 06xx Range 1796e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt */ 1797e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private int deShapeUnicode(char[] dest, 1798e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int start, 1799e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int length, 1800e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int destSize) throws ArabicShapingException { 1801e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1802e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int lamalef_count = deshapeNormalize(dest, start, length); 1803e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1804e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // If there was a lamalef in the buffer call expandLamAlef 1805e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (lamalef_count != 0) { 1806e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // need to adjust dest to fit expanded buffer... !!! 1807e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt destSize = expandCompositChar(dest, start, length, lamalef_count,DESHAPE_MODE); 1808e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1809e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt destSize = length; 1810e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1811e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1812e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return destSize; 1813e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1814e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1815e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private int internalShape(char[] source, 1816e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int sourceStart, 1817e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int sourceLength, 1818e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char[] dest, 1819e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int destStart, 1820e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int destSize) throws ArabicShapingException { 1821e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1822e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (sourceLength == 0) { 1823e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return 0; 1824e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1825e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1826e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (destSize == 0) { 1827e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (((options & LETTERS_MASK) != LETTERS_NOOP) && 1828e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ((options & LAMALEF_MASK) == LAMALEF_RESIZE)) { 1829e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1830e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return calculateSize(source, sourceStart, sourceLength); 1831e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } else { 1832e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return sourceLength; // by definition 1833e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1834e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1835e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1836e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt // always use temp buffer 1837e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char[] temp = new char[sourceLength * 2]; // all lamalefs requiring expansion 1838e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt System.arraycopy(source, sourceStart, temp, 0, sourceLength); 1839e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1840e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (isLogical) { 1841e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt invertBuffer(temp, 0, sourceLength); 1842e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1843e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1844e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int outputSize = sourceLength; 1845e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1846e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (options & LETTERS_MASK) { 1847e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LETTERS_SHAPE_TASHKEEL_ISOLATED: 1848e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt outputSize = shapeUnicode(temp, 0, sourceLength, destSize, 1); 1849e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1850e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1851e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LETTERS_SHAPE: 1852e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if( ((options&TASHKEEL_MASK)> 0) && 1853e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ((options&TASHKEEL_MASK) !=TASHKEEL_REPLACE_BY_TATWEEL)) { 1854e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /* Call the shaping function with tashkeel flag == 2 for removal of tashkeel */ 1855e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt outputSize = shapeUnicode(temp, 0, sourceLength, destSize, 2); 1856e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt }else { 1857e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt //default Call the shaping function with tashkeel flag == 1 */ 1858e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt outputSize = shapeUnicode(temp, 0, sourceLength, destSize, 0); 1859e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1860e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt /*After shaping text check if user wants to remove tashkeel and replace it with tatweel*/ 1861e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if( (options&TASHKEEL_MASK) == TASHKEEL_REPLACE_BY_TATWEEL){ 1862e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt outputSize = handleTashkeelWithTatweel(temp,sourceLength); 1863e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1864e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1865e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1866e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1867e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case LETTERS_UNSHAPE: 1868e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt outputSize = deShapeUnicode(temp, 0, sourceLength, destSize); 1869e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1870e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1871e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt default: 1872e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1873e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1874e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1875e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (outputSize > destSize) { 1876e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt throw new ArabicShapingException("not enough room for result data"); 1877e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1878e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1879e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if ((options & DIGITS_MASK) != DIGITS_NOOP) { 1880e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char digitBase = '\u0030'; // European digits 1881e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (options & DIGIT_TYPE_MASK) { 1882e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGIT_TYPE_AN: 1883e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt digitBase = '\u0660'; // Arabic-Indic digits 1884e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1885e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1886e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGIT_TYPE_AN_EXTENDED: 1887e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt digitBase = '\u06f0'; // Eastern Arabic-Indic digits (Persian and Urdu) 1888e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1889e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1890e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt default: 1891e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1892e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1893e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1894e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt switch (options & DIGITS_MASK) { 1895e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGITS_EN2AN: 1896e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt { 1897e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int digitDelta = digitBase - '\u0030'; 1898e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int i = 0; i < outputSize; ++i) { 1899e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char ch = temp[i]; 1900e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (ch <= '\u0039' && ch >= '\u0030') { 1901e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt temp[i] += digitDelta; 1902e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1903e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1904e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1905e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1906e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1907e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGITS_AN2EN: 1908e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt { 1909e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char digitTop = (char)(digitBase + 9); 1910e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt int digitDelta = '\u0030' - digitBase; 1911e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt for (int i = 0; i < outputSize; ++i) { 1912e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt char ch = temp[i]; 1913e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (ch <= digitTop && ch >= digitBase) { 1914e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt temp[i] += digitDelta; 1915e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1916e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1917e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1918e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1919e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1920e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGITS_EN2AN_INIT_LR: 1921e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt shapeToArabicDigitsWithContext(temp, 0, outputSize, digitBase, false); 1922e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1923e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1924e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt case DIGITS_EN2AN_INIT_AL: 1925e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt shapeToArabicDigitsWithContext(temp, 0, outputSize, digitBase, true); 1926e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1927e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1928e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt default: 1929e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt break; 1930e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1931e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1932e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1933e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt if (isLogical) { 1934e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt invertBuffer(temp, 0, outputSize); 1935e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1936e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1937e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt System.arraycopy(temp, 0, dest, destStart, outputSize); 1938e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1939e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt return outputSize; 1940e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1941e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt 1942e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt private static class ArabicShapingException extends RuntimeException { 1943e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt ArabicShapingException(String msg) { 1944e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt super(msg); 1945e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1946e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt } 1947e8e45f2c05cb3b6d23f30c8f96d8e0b3699cea7aDoug Felt} 1948