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