1 /* GENERATED SOURCE. DO NOT MODIFY. */ 2 // © 2016 and later: Unicode, Inc. and others. 3 // License & terms of use: http://www.unicode.org/copyright.html#License 4 /* 5 ********************************************************************** 6 * Copyright (c) 2002-2010, International Business Machines Corporation 7 * and others. All Rights Reserved. 8 ********************************************************************** 9 * Date Name Description 10 * 01/14/2002 aliu Creation. 11 ********************************************************************** 12 */ 13 14 package ohos.global.icu.text; 15 16 /** 17 * A replacer that calls a transliterator to generate its output text. 18 * The input text to the transliterator is the output of another 19 * UnicodeReplacer object. That is, this replacer wraps another 20 * replacer with a transliterator. 21 * @author Alan Liu 22 */ 23 class FunctionReplacer implements UnicodeReplacer { 24 25 /** 26 * The transliterator. Must not be null. 27 */ 28 private Transliterator translit; 29 30 /** 31 * The replacer object. This generates text that is then 32 * processed by 'translit'. Must not be null. 33 */ 34 private UnicodeReplacer replacer; 35 36 /** 37 * Construct a replacer that takes the output of the given 38 * replacer, passes it through the given transliterator, and emits 39 * the result as output. 40 */ FunctionReplacer(Transliterator theTranslit, UnicodeReplacer theReplacer)41 public FunctionReplacer(Transliterator theTranslit, 42 UnicodeReplacer theReplacer) { 43 translit = theTranslit; 44 replacer = theReplacer; 45 } 46 47 /** 48 * UnicodeReplacer API 49 */ 50 @Override replace(Replaceable text, int start, int limit, int[] cursor)51 public int replace(Replaceable text, 52 int start, 53 int limit, 54 int[] cursor) { 55 56 // First delegate to subordinate replacer 57 int len = replacer.replace(text, start, limit, cursor); 58 limit = start + len; 59 60 // Now transliterate 61 limit = translit.transliterate(text, start, limit); 62 63 return limit - start; 64 } 65 66 /** 67 * UnicodeReplacer API 68 */ 69 @Override toReplacerPattern(boolean escapeUnprintable)70 public String toReplacerPattern(boolean escapeUnprintable) { 71 StringBuilder rule = new StringBuilder("&"); 72 rule.append(translit.getID()); 73 rule.append("( "); 74 rule.append(replacer.toReplacerPattern(escapeUnprintable)); 75 rule.append(" )"); 76 return rule.toString(); 77 } 78 79 /** 80 * Union the set of all characters that may output by this object 81 * into the given set. 82 * @param toUnionTo the set into which to union the output characters 83 */ 84 @Override addReplacementSetTo(UnicodeSet toUnionTo)85 public void addReplacementSetTo(UnicodeSet toUnionTo) { 86 toUnionTo.addAll(translit.getTargetSet()); 87 } 88 } 89 90 //eof 91