1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/i18n/remtrans.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,69 @@
1.4 +/*
1.5 +**********************************************************************
1.6 +* Copyright (c) 2001-2011, International Business Machines
1.7 +* Corporation and others. All Rights Reserved.
1.8 +**********************************************************************
1.9 +* Date Name Description
1.10 +* 04/02/2001 aliu Creation.
1.11 +**********************************************************************
1.12 +*/
1.13 +
1.14 +#include "unicode/utypes.h"
1.15 +
1.16 +#if !UCONFIG_NO_TRANSLITERATION
1.17 +
1.18 +#include "remtrans.h"
1.19 +#include "unicode/unifilt.h"
1.20 +
1.21 +static const UChar CURR_ID[] = {65, 110, 121, 45, 0x52, 0x65, 0x6D, 0x6F, 0x76, 0x65, 0x00}; /* "Any-Remove" */
1.22 +
1.23 +U_NAMESPACE_BEGIN
1.24 +
1.25 +UOBJECT_DEFINE_RTTI_IMPLEMENTATION(RemoveTransliterator)
1.26 +
1.27 +/**
1.28 + * Factory method
1.29 + */
1.30 +static Transliterator* RemoveTransliterator_create(const UnicodeString& /*ID*/,
1.31 + Transliterator::Token /*context*/) {
1.32 + /* We don't need the ID or context. We just remove data */
1.33 + return new RemoveTransliterator();
1.34 +}
1.35 +
1.36 +/**
1.37 + * System registration hook.
1.38 + */
1.39 +void RemoveTransliterator::registerIDs() {
1.40 +
1.41 + Transliterator::_registerFactory(UnicodeString(TRUE, ::CURR_ID, -1),
1.42 + RemoveTransliterator_create, integerToken(0));
1.43 +
1.44 + Transliterator::_registerSpecialInverse(UNICODE_STRING_SIMPLE("Remove"),
1.45 + UNICODE_STRING_SIMPLE("Null"), FALSE);
1.46 +}
1.47 +
1.48 +RemoveTransliterator::RemoveTransliterator() : Transliterator(UnicodeString(TRUE, ::CURR_ID, -1), 0) {}
1.49 +
1.50 +RemoveTransliterator::~RemoveTransliterator() {}
1.51 +
1.52 +Transliterator* RemoveTransliterator::clone(void) const {
1.53 + Transliterator* result = new RemoveTransliterator();
1.54 + if (result != NULL && getFilter() != 0) {
1.55 + result->adoptFilter((UnicodeFilter*)(getFilter()->clone()));
1.56 + }
1.57 + return result;
1.58 +}
1.59 +
1.60 +void RemoveTransliterator::handleTransliterate(Replaceable& text, UTransPosition& index,
1.61 + UBool /*isIncremental*/) const {
1.62 + // Our caller (filteredTransliterate) has already narrowed us
1.63 + // to an unfiltered run. Delete it.
1.64 + UnicodeString empty;
1.65 + text.handleReplaceBetween(index.start, index.limit, empty);
1.66 + int32_t len = index.limit - index.start;
1.67 + index.contextLimit -= len;
1.68 + index.limit -= len;
1.69 +}
1.70 +U_NAMESPACE_END
1.71 +
1.72 +#endif /* #if !UCONFIG_NO_TRANSLITERATION */
