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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (c) 2001-2011, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* Date Name Description
* 04/02/2001 aliu Creation.
**********************************************************************
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_TRANSLITERATION
#include "remtrans.h"
#include "unicode/unifilt.h"
static const char16_t CURR_ID[] = {65, 110, 121, 45, 0x52, 0x65, 0x6D, 0x6F, 0x76, 0x65, 0x00}; /* "Any-Remove" */
U_NAMESPACE_BEGIN
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(RemoveTransliterator)
/**
* Factory method
*/
static Transliterator* RemoveTransliterator_create(const UnicodeString& /*ID*/,
Transliterator::Token /*context*/) {
/* We don't need the ID or context. We just remove data */
return new RemoveTransliterator();
}
/**
* System registration hook.
*/
void RemoveTransliterator::registerIDs() {
Transliterator::_registerFactory(UnicodeString(true, ::CURR_ID, -1),
RemoveTransliterator_create, integerToken(0));
Transliterator::_registerSpecialInverse(UNICODE_STRING_SIMPLE("Remove"),
UNICODE_STRING_SIMPLE("Null"), false);
}
RemoveTransliterator::RemoveTransliterator() : Transliterator(UnicodeString(true, ::CURR_ID, -1), nullptr) {}
RemoveTransliterator::~RemoveTransliterator() {}
RemoveTransliterator* RemoveTransliterator::clone() const {
RemoveTransliterator* result = new RemoveTransliterator();
if (result != nullptr && getFilter() != nullptr) {
result->adoptFilter(getFilter()->clone());
}
return result;
}
void RemoveTransliterator::handleTransliterate(Replaceable& text, UTransPosition& index,
UBool /*isIncremental*/) const {
// Our caller (filteredTransliterate) has already narrowed us
// to an unfiltered run. Delete it.
UnicodeString empty;
text.handleReplaceBetween(index.start, index.limit, empty);
int32_t len = index.limit - index.start;
index.contextLimit -= len;
index.limit -= len;
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_TRANSLITERATION */
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