/********************************************************************** * © 2016 and later: Unicode, Inc. and others. * License & terms of use: http://www.unicode.org/copyright.html#License ********************************************************************** ********************************************************************** * COPYRIGHT: * Copyright (c) 1999-2003, International Business Machines Corporation and * others. All Rights Reserved. **********************************************************************/ #include "unaccent.h" const char UnaccentTransliterator::fgClassID = 0; /** * Constructor */ UnaccentTransliterator::UnaccentTransliterator() : normalizer("", UNORM_NFD), Transliterator("Unaccent", 0) { } /** * Destructor */ UnaccentTransliterator::~UnaccentTransliterator() { } /** * Remove accents from a character using Normalizer. */ UChar UnaccentTransliterator::unaccent(UChar c) const { UnicodeString str(c); UErrorCode status = U_ZERO_ERROR; UnaccentTransliterator* t = (UnaccentTransliterator*)this; t->normalizer.setText(str, status); if (U_FAILURE(status)) { return c; } return (UChar) t->normalizer.next(); } /** * Implement Transliterator API */ void UnaccentTransliterator::handleTransliterate(Replaceable& text, UTransPosition& index, UBool incremental) const { UnicodeString str("a"); while (index.start < index.limit) { UChar c = text.charAt(index.start); UChar d = unaccent(c); if (c != d) { str.setCharAt(0, d); text.handleReplaceBetween(index.start, index.start+1, str); } index.start++; } }