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68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
/*
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**********************************************************************
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* Copyright (c) 2001-2005, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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* Date Name Description
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* 04/02/2001 aliu Creation.
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**********************************************************************
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_TRANSLITERATION
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#include "remtrans.h"
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#include "unicode/unifilt.h"
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static const UChar CURR_ID[] = {65, 110, 121, 45, 0x52, 0x65, 0x6D, 0x6F, 0x76, 0x65, 0x00}; /* "Any-Remove" */
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U_NAMESPACE_BEGIN
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UOBJECT_DEFINE_RTTI_IMPLEMENTATION(RemoveTransliterator)
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/**
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* Factory method
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*/
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static Transliterator* RemoveTransliterator_create(const UnicodeString& /*ID*/,
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Transliterator::Token /*context*/) {
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/* We don't need the ID or context. We just remove data */
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return new RemoveTransliterator();
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}
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/**
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* System registration hook.
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*/
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void RemoveTransliterator::registerIDs() {
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Transliterator::_registerFactory(::CURR_ID, RemoveTransliterator_create, integerToken(0));
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Transliterator::_registerSpecialInverse(UNICODE_STRING_SIMPLE("Remove"),
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UNICODE_STRING_SIMPLE("Null"), FALSE);
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}
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RemoveTransliterator::RemoveTransliterator() : Transliterator(::CURR_ID, 0) {}
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RemoveTransliterator::~RemoveTransliterator() {}
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Transliterator* RemoveTransliterator::clone(void) const {
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Transliterator* result = new RemoveTransliterator();
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if (getFilter() != 0) {
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result->adoptFilter((UnicodeFilter*)(getFilter()->clone()));
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}
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return result;
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}
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void RemoveTransliterator::handleTransliterate(Replaceable& text, UTransPosition& index,
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UBool /*isIncremental*/) const {
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// Our caller (filteredTransliterate) has already narrowed us
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// to an unfiltered run. Delete it.
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UnicodeString empty;
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text.handleReplaceBetween(index.start, index.limit, empty);
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int32_t len = index.limit - index.start;
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index.contextLimit -= len;
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index.limit -= len;
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}
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U_NAMESPACE_END
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#endif /* #if !UCONFIG_NO_TRANSLITERATION */
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