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ArabicShaping
X-SVN-Rev: 3666
This commit is contained in:
Doug Felt
parent
e51eb6153f
commit
4f1c21c090
2 changed files with 570 additions and 0 deletions
icu4j/src/com/ibm/icu
285
icu4j/src/com/ibm/icu/dev/test/shaping/ArabicShapingTest.java
Executable file
285
icu4j/src/com/ibm/icu/dev/test/shaping/ArabicShapingTest.java
Executable file
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@ -0,0 +1,285 @@
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/*
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*******************************************************************************
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* Copyright (C) 2001, International Business Machines
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* Corporation and others. All Rights Reserved.
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*******************************************************************************
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*/
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package com.ibm.icu.test.text;
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import com.ibm.icu.text.ArabicShaping;
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import com.ibm.icu.text.ArabicShapingException;
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/**
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* Interactive test for Arabic shaping.
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* Invoke from a command line passing args and strings. Use '-help' to see description of arguments.
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*/
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public class ArabicShapingTest {
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private static final int COPY = 0;
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private static final int INPLACE = 1;
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private static final int STRING = 2;
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public static final void main(String[] args) {
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int testtype = COPY;
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int options = 0;
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int ss = 0;
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int sl = -1;
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int ds = 0;
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int dl = -1;
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String text = "$22.4 test 123 \ufef6\u0644\u0622 456 \u0664\u0665\u0666!";
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for (int i = 0; i < args.length; ++i) {
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String arg = args[i];
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if (arg.charAt(0) == '-') {
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String opt = arg.substring(1);
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String val = opt;
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int index = arg.indexOf(':');
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if (index != -1) {
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opt = opt.substring(0, Math.min(index, 3));
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val = arg.substring(index + 1);
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}
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if (opt.equalsIgnoreCase("len")) {
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options &= ~ArabicShaping.LENGTH_MASK;
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if (val.equalsIgnoreCase("gs")) {
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options |= ArabicShaping.LENGTH_GROW_SHRINK;
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} else if (val.equalsIgnoreCase("sn")) {
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options |= ArabicShaping.LENGTH_FIXED_SPACES_NEAR;
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} else if (val.equalsIgnoreCase("se")) {
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options |= ArabicShaping.LENGTH_FIXED_SPACES_AT_END;
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} else if (val.equalsIgnoreCase("sb")) {
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options |= ArabicShaping.LENGTH_FIXED_SPACES_AT_BEGINNING;
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} else {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("dir")) {
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options &= ~ArabicShaping.TEXT_DIRECTION_MASK;
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if (val.equalsIgnoreCase("log")) {
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options |= ArabicShaping.TEXT_DIRECTION_LOGICAL;
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} else if (val.equalsIgnoreCase("vis")) {
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options |= ArabicShaping.TEXT_DIRECTION_VISUAL_LTR;
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} else {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("let")) {
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options &= ~ArabicShaping.LETTERS_MASK;
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if (val.equalsIgnoreCase("no")) {
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options |= ArabicShaping.LETTERS_NOOP;
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} else if (val.equalsIgnoreCase("sh")) {
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options |= ArabicShaping.LETTERS_SHAPE;
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} else if (val.equalsIgnoreCase("un")) {
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options |= ArabicShaping.LETTERS_UNSHAPE;
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} else if (val.equalsIgnoreCase("ta")) {
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options |= ArabicShaping.LETTERS_SHAPE_EXCEPT_TASHKEEL;
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} else {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("dig")) {
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options &= ~ArabicShaping.DIGITS_MASK;
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if (val.equalsIgnoreCase("no")) {
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options |= ArabicShaping.DIGITS_NOOP;
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} else if (val.equalsIgnoreCase("ea")) {
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options |= ArabicShaping.DIGITS_EN2AN;
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} else if (val.equalsIgnoreCase("ae")) {
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options |= ArabicShaping.DIGITS_AN2EN;
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} else if (val.equalsIgnoreCase("lr")) {
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options |= ArabicShaping.DIGITS_EN2AN_INIT_LR;
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} else if (val.equalsIgnoreCase("al")) {
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options |= ArabicShaping.DIGITS_EN2AN_INIT_AL;
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} else {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("typ")) {
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options &= ~ArabicShaping.DIGIT_TYPE_MASK;
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if (val.equalsIgnoreCase("an")) {
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options |= ArabicShaping.DIGIT_TYPE_AN;
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} else if (val.equalsIgnoreCase("ex")) {
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options |= ArabicShaping.DIGIT_TYPE_AN_EXTENDED;
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} else {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("dst")) {
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try {
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ds = Integer.parseInt(val);
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}
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catch (Exception e) {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("dln")) {
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try {
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dl = Integer.parseInt(val);
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}
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catch (Exception e) {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("sst")) {
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try {
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ss = Integer.parseInt(val);
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}
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catch (Exception e) {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("sln")) {
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try {
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sl = Integer.parseInt(val);
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}
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catch (Exception e) {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("tes")) {
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if (val.equalsIgnoreCase("cp")) {
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testtype = COPY;
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} else if (val.equalsIgnoreCase("ip")) {
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testtype = INPLACE;
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} else if (val.equalsIgnoreCase("st")) {
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testtype = STRING;
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} else {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("help")) {
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System.out.println(usage);
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} else {
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throwOptError(opt);
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}
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} else {
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// assume text
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text = parseText(arg);
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}
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}
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if (sl < 0) {
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sl = text.length() - ss;
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System.out.println("sl defaulting to " + sl);
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}
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if (dl < 0) {
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dl = 2 * sl;
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System.out.println("dl defaulting to " + dl);
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}
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ArabicShaping shaper = new ArabicShaping(options);
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System.out.println("shaper: " + shaper);
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char[] src = text.toCharArray();
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System.out.println(" input: '" + escapedText(src, ss, sl) + "'");
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if (testtype != STRING) {
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System.out.println("start: " + ss + " length: " + sl + " total length: " + src.length);
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}
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int result = -1;
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char[] dest = null;
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try {
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switch (testtype) {
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case COPY:
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dest = new char[ds + dl];
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result = shaper.shape(src, ss, sl, dest, ds, dl);
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break;
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case INPLACE:
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shaper.shape(src, ss, sl);
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ds = ss;
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result = sl;
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dest = src;
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break;
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case STRING:
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dest = shaper.shape(text).toCharArray();
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ds = 0;
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result = dest.length;
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break;
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}
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System.out.println("output: '" + escapedText(dest, ds, result) + "'");
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System.out.println("length: " + result);
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if (ds != 0 || result != dest.length) {
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System.out.println("full output: '" + escapedText(dest, 0, dest.length) + "'");
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}
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}
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catch (ArabicShapingException e) {
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System.out.println("Caught ArabicShapingException");
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System.out.println(e);
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}
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catch (Exception e) {
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System.out.println("Caught Exception");
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System.out.println(e);
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}
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}
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private static void throwOptError(String opt) {
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throwUsageError("unknown option: " + opt);
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}
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private static void throwValError(String opt, String val) {
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throwUsageError("unknown value: " + val + " for option: " + opt);
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}
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private static void throwUsageError(String message) {
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StringBuffer buf = new StringBuffer("*** usage error ***\n");
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buf.append(message);
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buf.append("\n");
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buf.append(usage);
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throw new Error(buf.toString());
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}
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private static final String usage =
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"Usage: [option]* [text]\n" +
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" where option is in the format '-opt[:val]'\n" +
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" options are:\n" +
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" -len:[gs|sn|se|sb] (length: grow/shrink, spaces near, spaces end, spaces beginning)\n" +
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" -dir:[log|vis] (direction: logical, visual)\n" +
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" -let:[no|sh|un|ta] (letters: noop, shape, unshape, tashkeel)\n" +
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" -dig:[no|ea|ae|lr|al] (digits: noop, en2an, an2en, en2an_lr, en2an_al)\n" +
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" -typ:[an|ex] (digit type: arabic, arabic extended)\n" +
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" -dst:# (dest start: [integer])\n" +
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" -dln:# (dest length (max size): [integer])\n" +
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" -sst:# (source start: [integer])\n" +
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" -sln:# (source length: [integer])\n" +
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" -tes:[cp|ip|st] (test type: copy, in place, string)\n" +
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" -help (print this help message)\n" +
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" text can contain unicode escape values in the format '\\uXXXX' only\n";
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private static String escapedText(char[] text, int start, int length) {
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StringBuffer buf = new StringBuffer();
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for (int i = start, e = start + length; i < e; ++i) {
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char ch = text[i];
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if (ch < 0x20 || ch > 0x7e) {
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buf.append("\\u");
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if (ch < 0x1000) {
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buf.append('0');
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}
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if (ch < 0x100) {
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buf.append('0');
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}
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if (ch < 0x10) {
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buf.append('0');
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}
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buf.append(Integer.toHexString(ch));
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} else {
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buf.append(ch);
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}
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}
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return buf.toString();
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}
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private static String parseText(String text) {
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// process unicode escapes (only)
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StringBuffer buf = new StringBuffer();
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char[] chars = text.toCharArray();
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for (int i = 0; i < chars.length; ++i) {
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char ch = chars[i];
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if (ch == '\\') {
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if ((i < chars.length - 1) &&
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(chars[i+1] == 'u')) {
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int val = Integer.parseInt(text.substring(i+2, i+6), 16);
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buf.append((char)val);
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i += 5;
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} else {
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buf.append('\\');
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}
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} else {
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buf.append(ch);
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}
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}
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return buf.toString();
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}
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}
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285
icu4j/src/com/ibm/icu/test/text/ArabicShapingTest.java
Executable file
285
icu4j/src/com/ibm/icu/test/text/ArabicShapingTest.java
Executable file
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@ -0,0 +1,285 @@
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/*
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*******************************************************************************
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* Copyright (C) 2001, International Business Machines
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* Corporation and others. All Rights Reserved.
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*******************************************************************************
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*/
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package com.ibm.icu.test.text;
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import com.ibm.icu.text.ArabicShaping;
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import com.ibm.icu.text.ArabicShapingException;
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/**
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* Interactive test for Arabic shaping.
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* Invoke from a command line passing args and strings. Use '-help' to see description of arguments.
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*/
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public class ArabicShapingTest {
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private static final int COPY = 0;
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private static final int INPLACE = 1;
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private static final int STRING = 2;
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public static final void main(String[] args) {
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int testtype = COPY;
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int options = 0;
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int ss = 0;
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int sl = -1;
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int ds = 0;
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int dl = -1;
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String text = "$22.4 test 123 \ufef6\u0644\u0622 456 \u0664\u0665\u0666!";
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for (int i = 0; i < args.length; ++i) {
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String arg = args[i];
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if (arg.charAt(0) == '-') {
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String opt = arg.substring(1);
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String val = opt;
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int index = arg.indexOf(':');
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if (index != -1) {
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opt = opt.substring(0, Math.min(index, 3));
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val = arg.substring(index + 1);
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}
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if (opt.equalsIgnoreCase("len")) {
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options &= ~ArabicShaping.LENGTH_MASK;
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if (val.equalsIgnoreCase("gs")) {
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options |= ArabicShaping.LENGTH_GROW_SHRINK;
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} else if (val.equalsIgnoreCase("sn")) {
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options |= ArabicShaping.LENGTH_FIXED_SPACES_NEAR;
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} else if (val.equalsIgnoreCase("se")) {
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options |= ArabicShaping.LENGTH_FIXED_SPACES_AT_END;
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} else if (val.equalsIgnoreCase("sb")) {
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options |= ArabicShaping.LENGTH_FIXED_SPACES_AT_BEGINNING;
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} else {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("dir")) {
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options &= ~ArabicShaping.TEXT_DIRECTION_MASK;
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if (val.equalsIgnoreCase("log")) {
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options |= ArabicShaping.TEXT_DIRECTION_LOGICAL;
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} else if (val.equalsIgnoreCase("vis")) {
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options |= ArabicShaping.TEXT_DIRECTION_VISUAL_LTR;
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} else {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("let")) {
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options &= ~ArabicShaping.LETTERS_MASK;
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if (val.equalsIgnoreCase("no")) {
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options |= ArabicShaping.LETTERS_NOOP;
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} else if (val.equalsIgnoreCase("sh")) {
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options |= ArabicShaping.LETTERS_SHAPE;
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} else if (val.equalsIgnoreCase("un")) {
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options |= ArabicShaping.LETTERS_UNSHAPE;
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} else if (val.equalsIgnoreCase("ta")) {
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options |= ArabicShaping.LETTERS_SHAPE_EXCEPT_TASHKEEL;
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} else {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("dig")) {
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options &= ~ArabicShaping.DIGITS_MASK;
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if (val.equalsIgnoreCase("no")) {
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options |= ArabicShaping.DIGITS_NOOP;
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} else if (val.equalsIgnoreCase("ea")) {
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options |= ArabicShaping.DIGITS_EN2AN;
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} else if (val.equalsIgnoreCase("ae")) {
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options |= ArabicShaping.DIGITS_AN2EN;
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} else if (val.equalsIgnoreCase("lr")) {
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options |= ArabicShaping.DIGITS_EN2AN_INIT_LR;
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} else if (val.equalsIgnoreCase("al")) {
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options |= ArabicShaping.DIGITS_EN2AN_INIT_AL;
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} else {
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("typ")) {
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options &= ~ArabicShaping.DIGIT_TYPE_MASK;
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if (val.equalsIgnoreCase("an")) {
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options |= ArabicShaping.DIGIT_TYPE_AN;
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} else if (val.equalsIgnoreCase("ex")) {
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options |= ArabicShaping.DIGIT_TYPE_AN_EXTENDED;
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} else {
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throwValError(opt, val);
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}
|
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} else if (opt.equalsIgnoreCase("dst")) {
|
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try {
|
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ds = Integer.parseInt(val);
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}
|
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catch (Exception e) {
|
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throwValError(opt, val);
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}
|
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} else if (opt.equalsIgnoreCase("dln")) {
|
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try {
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dl = Integer.parseInt(val);
|
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}
|
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catch (Exception e) {
|
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throwValError(opt, val);
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}
|
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} else if (opt.equalsIgnoreCase("sst")) {
|
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try {
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ss = Integer.parseInt(val);
|
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}
|
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catch (Exception e) {
|
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throwValError(opt, val);
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}
|
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} else if (opt.equalsIgnoreCase("sln")) {
|
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try {
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sl = Integer.parseInt(val);
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}
|
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catch (Exception e) {
|
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throwValError(opt, val);
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}
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} else if (opt.equalsIgnoreCase("tes")) {
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if (val.equalsIgnoreCase("cp")) {
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testtype = COPY;
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} else if (val.equalsIgnoreCase("ip")) {
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testtype = INPLACE;
|
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} else if (val.equalsIgnoreCase("st")) {
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testtype = STRING;
|
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} else {
|
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throwValError(opt, val);
|
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}
|
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} else if (opt.equalsIgnoreCase("help")) {
|
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System.out.println(usage);
|
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} else {
|
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throwOptError(opt);
|
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}
|
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} else {
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// assume text
|
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text = parseText(arg);
|
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}
|
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}
|
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if (sl < 0) {
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sl = text.length() - ss;
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System.out.println("sl defaulting to " + sl);
|
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}
|
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if (dl < 0) {
|
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dl = 2 * sl;
|
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System.out.println("dl defaulting to " + dl);
|
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}
|
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ArabicShaping shaper = new ArabicShaping(options);
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System.out.println("shaper: " + shaper);
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char[] src = text.toCharArray();
|
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System.out.println(" input: '" + escapedText(src, ss, sl) + "'");
|
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if (testtype != STRING) {
|
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System.out.println("start: " + ss + " length: " + sl + " total length: " + src.length);
|
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}
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|
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int result = -1;
|
||||
char[] dest = null;
|
||||
|
||||
try {
|
||||
switch (testtype) {
|
||||
case COPY:
|
||||
dest = new char[ds + dl];
|
||||
result = shaper.shape(src, ss, sl, dest, ds, dl);
|
||||
break;
|
||||
|
||||
case INPLACE:
|
||||
shaper.shape(src, ss, sl);
|
||||
ds = ss;
|
||||
result = sl;
|
||||
dest = src;
|
||||
break;
|
||||
|
||||
case STRING:
|
||||
dest = shaper.shape(text).toCharArray();
|
||||
ds = 0;
|
||||
result = dest.length;
|
||||
break;
|
||||
}
|
||||
|
||||
System.out.println("output: '" + escapedText(dest, ds, result) + "'");
|
||||
System.out.println("length: " + result);
|
||||
if (ds != 0 || result != dest.length) {
|
||||
System.out.println("full output: '" + escapedText(dest, 0, dest.length) + "'");
|
||||
}
|
||||
}
|
||||
catch (ArabicShapingException e) {
|
||||
System.out.println("Caught ArabicShapingException");
|
||||
System.out.println(e);
|
||||
}
|
||||
catch (Exception e) {
|
||||
System.out.println("Caught Exception");
|
||||
System.out.println(e);
|
||||
}
|
||||
}
|
||||
|
||||
private static void throwOptError(String opt) {
|
||||
throwUsageError("unknown option: " + opt);
|
||||
}
|
||||
|
||||
private static void throwValError(String opt, String val) {
|
||||
throwUsageError("unknown value: " + val + " for option: " + opt);
|
||||
}
|
||||
|
||||
private static void throwUsageError(String message) {
|
||||
StringBuffer buf = new StringBuffer("*** usage error ***\n");
|
||||
buf.append(message);
|
||||
buf.append("\n");
|
||||
buf.append(usage);
|
||||
throw new Error(buf.toString());
|
||||
}
|
||||
|
||||
private static final String usage =
|
||||
"Usage: [option]* [text]\n" +
|
||||
" where option is in the format '-opt[:val]'\n" +
|
||||
" options are:\n" +
|
||||
" -len:[gs|sn|se|sb] (length: grow/shrink, spaces near, spaces end, spaces beginning)\n" +
|
||||
" -dir:[log|vis] (direction: logical, visual)\n" +
|
||||
" -let:[no|sh|un|ta] (letters: noop, shape, unshape, tashkeel)\n" +
|
||||
" -dig:[no|ea|ae|lr|al] (digits: noop, en2an, an2en, en2an_lr, en2an_al)\n" +
|
||||
" -typ:[an|ex] (digit type: arabic, arabic extended)\n" +
|
||||
" -dst:# (dest start: [integer])\n" +
|
||||
" -dln:# (dest length (max size): [integer])\n" +
|
||||
" -sst:# (source start: [integer])\n" +
|
||||
" -sln:# (source length: [integer])\n" +
|
||||
" -tes:[cp|ip|st] (test type: copy, in place, string)\n" +
|
||||
" -help (print this help message)\n" +
|
||||
" text can contain unicode escape values in the format '\\uXXXX' only\n";
|
||||
|
||||
private static String escapedText(char[] text, int start, int length) {
|
||||
StringBuffer buf = new StringBuffer();
|
||||
for (int i = start, e = start + length; i < e; ++i) {
|
||||
char ch = text[i];
|
||||
if (ch < 0x20 || ch > 0x7e) {
|
||||
buf.append("\\u");
|
||||
if (ch < 0x1000) {
|
||||
buf.append('0');
|
||||
}
|
||||
if (ch < 0x100) {
|
||||
buf.append('0');
|
||||
}
|
||||
if (ch < 0x10) {
|
||||
buf.append('0');
|
||||
}
|
||||
buf.append(Integer.toHexString(ch));
|
||||
} else {
|
||||
buf.append(ch);
|
||||
}
|
||||
}
|
||||
return buf.toString();
|
||||
}
|
||||
|
||||
private static String parseText(String text) {
|
||||
// process unicode escapes (only)
|
||||
StringBuffer buf = new StringBuffer();
|
||||
char[] chars = text.toCharArray();
|
||||
for (int i = 0; i < chars.length; ++i) {
|
||||
char ch = chars[i];
|
||||
if (ch == '\\') {
|
||||
if ((i < chars.length - 1) &&
|
||||
(chars[i+1] == 'u')) {
|
||||
int val = Integer.parseInt(text.substring(i+2, i+6), 16);
|
||||
buf.append((char)val);
|
||||
i += 5;
|
||||
} else {
|
||||
buf.append('\\');
|
||||
}
|
||||
} else {
|
||||
buf.append(ch);
|
||||
}
|
||||
}
|
||||
return buf.toString();
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue