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/**********************************************************************
* © 2016 and later: Unicode, Inc. and others.
* License & terms of use: http://www.unicode.org/copyright.html
**********************************************************************
**********************************************************************
* 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.
*/
char16_t UnaccentTransliterator::unaccent(char16_t 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 (char16_t) t->normalizer.next();
}
/**
* Implement Transliterator API
*/
void UnaccentTransliterator::handleTransliterate(Replaceable& text,
UTransPosition& index,
UBool incremental) const {
UnicodeString str("a");
while (index.start < index.limit) {
char16_t c = text.charAt(index.start);
char16_t d = unaccent(c);
if (c != d) {
str.setCharAt(0, d);
text.handleReplaceBetween(index.start, index.start+1, str);
}
index.start++;
}
}