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comparison: intl/icu/source/i18n/remtrans.cpp
intl/icu/source/i18n/remtrans.cpp
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:106d0edf00de |
|---|---|
| 1 /* | |
| 2 ********************************************************************** | |
| 3 * Copyright (c) 2001-2011, International Business Machines | |
| 4 * Corporation and others. All Rights Reserved. | |
| 5 ********************************************************************** | |
| 6 * Date Name Description | |
| 7 * 04/02/2001 aliu Creation. | |
| 8 ********************************************************************** | |
| 9 */ | |
| 10 | |
| 11 #include "unicode/utypes.h" | |
| 12 | |
| 13 #if !UCONFIG_NO_TRANSLITERATION | |
| 14 | |
| 15 #include "remtrans.h" | |
| 16 #include "unicode/unifilt.h" | |
| 17 | |
| 18 static const UChar CURR_ID[] = {65, 110, 121, 45, 0x52, 0x65, 0x6D, 0x6F, 0x76, 0x65, 0x00}; /* "Any-Remove" */ | |
| 19 | |
| 20 U_NAMESPACE_BEGIN | |
| 21 | |
| 22 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(RemoveTransliterator) | |
| 23 | |
| 24 /** | |
| 25 * Factory method | |
| 26 */ | |
| 27 static Transliterator* RemoveTransliterator_create(const UnicodeString& /*ID*/, | |
| 28 Transliterator::Token /*context*/) { | |
| 29 /* We don't need the ID or context. We just remove data */ | |
| 30 return new RemoveTransliterator(); | |
| 31 } | |
| 32 | |
| 33 /** | |
| 34 * System registration hook. | |
| 35 */ | |
| 36 void RemoveTransliterator::registerIDs() { | |
| 37 | |
| 38 Transliterator::_registerFactory(UnicodeString(TRUE, ::CURR_ID, -1), | |
| 39 RemoveTransliterator_create, integerToken(0)); | |
| 40 | |
| 41 Transliterator::_registerSpecialInverse(UNICODE_STRING_SIMPLE("Remove"), | |
| 42 UNICODE_STRING_SIMPLE("Null"), FALSE); | |
| 43 } | |
| 44 | |
| 45 RemoveTransliterator::RemoveTransliterator() : Transliterator(UnicodeString(TRUE, ::CURR_ID, -1), 0) {} | |
| 46 | |
| 47 RemoveTransliterator::~RemoveTransliterator() {} | |
| 48 | |
| 49 Transliterator* RemoveTransliterator::clone(void) const { | |
| 50 Transliterator* result = new RemoveTransliterator(); | |
| 51 if (result != NULL && getFilter() != 0) { | |
| 52 result->adoptFilter((UnicodeFilter*)(getFilter()->clone())); | |
| 53 } | |
| 54 return result; | |
| 55 } | |
| 56 | |
| 57 void RemoveTransliterator::handleTransliterate(Replaceable& text, UTransPosition& index, | |
| 58 UBool /*isIncremental*/) const { | |
| 59 // Our caller (filteredTransliterate) has already narrowed us | |
| 60 // to an unfiltered run. Delete it. | |
| 61 UnicodeString empty; | |
| 62 text.handleReplaceBetween(index.start, index.limit, empty); | |
| 63 int32_t len = index.limit - index.start; | |
| 64 index.contextLimit -= len; | |
| 65 index.limit -= len; | |
| 66 } | |
| 67 U_NAMESPACE_END | |
| 68 | |
| 69 #endif /* #if !UCONFIG_NO_TRANSLITERATION */ |
