intl/icu/source/i18n/rbt_data.cpp

Wed, 31 Dec 2014 07:22:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 07:22:50 +0100
branch
TOR_BUG_3246
changeset 4
fc2d59ddac77
permissions
-rw-r--r--

Correct previous dual key logic pending first delivery installment.

michael@0 1 /*
michael@0 2 **********************************************************************
michael@0 3 * Copyright (C) 1999-2011, International Business Machines
michael@0 4 * Corporation and others. All Rights Reserved.
michael@0 5 **********************************************************************
michael@0 6 * Date Name Description
michael@0 7 * 11/17/99 aliu Creation.
michael@0 8 **********************************************************************
michael@0 9 */
michael@0 10
michael@0 11 #include "unicode/utypes.h"
michael@0 12 #include "umutex.h"
michael@0 13
michael@0 14 #if !UCONFIG_NO_TRANSLITERATION
michael@0 15
michael@0 16 #include "unicode/unistr.h"
michael@0 17 #include "unicode/uniset.h"
michael@0 18 #include "rbt_data.h"
michael@0 19 #include "hash.h"
michael@0 20 #include "cmemory.h"
michael@0 21
michael@0 22 U_NAMESPACE_BEGIN
michael@0 23
michael@0 24 TransliterationRuleData::TransliterationRuleData(UErrorCode& status)
michael@0 25 : UMemory(), ruleSet(status), variableNames(status),
michael@0 26 variables(0), variablesAreOwned(TRUE)
michael@0 27 {
michael@0 28 if (U_FAILURE(status)) {
michael@0 29 return;
michael@0 30 }
michael@0 31 variableNames.setValueDeleter(uprv_deleteUObject);
michael@0 32 variables = 0;
michael@0 33 variablesLength = 0;
michael@0 34 }
michael@0 35
michael@0 36 TransliterationRuleData::TransliterationRuleData(const TransliterationRuleData& other) :
michael@0 37 UMemory(other), ruleSet(other.ruleSet),
michael@0 38 variablesAreOwned(TRUE),
michael@0 39 variablesBase(other.variablesBase),
michael@0 40 variablesLength(other.variablesLength)
michael@0 41 {
michael@0 42 UErrorCode status = U_ZERO_ERROR;
michael@0 43 int32_t i = 0;
michael@0 44 variableNames.setValueDeleter(uprv_deleteUObject);
michael@0 45 int32_t pos = -1;
michael@0 46 const UHashElement *e;
michael@0 47 while ((e = other.variableNames.nextElement(pos)) != 0) {
michael@0 48 UnicodeString* value =
michael@0 49 new UnicodeString(*(const UnicodeString*)e->value.pointer);
michael@0 50 // Exit out if value could not be created.
michael@0 51 if (value == NULL) {
michael@0 52 return;
michael@0 53 }
michael@0 54 variableNames.put(*(UnicodeString*)e->key.pointer, value, status);
michael@0 55 }
michael@0 56
michael@0 57 variables = 0;
michael@0 58 if (other.variables != 0) {
michael@0 59 variables = (UnicodeFunctor **)uprv_malloc(variablesLength * sizeof(UnicodeFunctor *));
michael@0 60 /* test for NULL */
michael@0 61 if (variables == 0) {
michael@0 62 status = U_MEMORY_ALLOCATION_ERROR;
michael@0 63 return;
michael@0 64 }
michael@0 65 for (i=0; i<variablesLength; ++i) {
michael@0 66 variables[i] = other.variables[i]->clone();
michael@0 67 if (variables[i] == NULL) {
michael@0 68 status = U_MEMORY_ALLOCATION_ERROR;
michael@0 69 break;
michael@0 70 }
michael@0 71 }
michael@0 72 }
michael@0 73 // Remove the array and exit if memory allocation error occured.
michael@0 74 if (U_FAILURE(status)) {
michael@0 75 for (int32_t n = i-1; n >= 0; n++) {
michael@0 76 delete variables[n];
michael@0 77 }
michael@0 78 uprv_free(variables);
michael@0 79 variables = NULL;
michael@0 80 return;
michael@0 81 }
michael@0 82
michael@0 83 // Do this last, _after_ setting up variables[].
michael@0 84 ruleSet.setData(this); // ruleSet must already be frozen
michael@0 85 }
michael@0 86
michael@0 87 TransliterationRuleData::~TransliterationRuleData() {
michael@0 88 if (variablesAreOwned && variables != 0) {
michael@0 89 for (int32_t i=0; i<variablesLength; ++i) {
michael@0 90 delete variables[i];
michael@0 91 }
michael@0 92 }
michael@0 93 uprv_free(variables);
michael@0 94 }
michael@0 95
michael@0 96 UnicodeFunctor*
michael@0 97 TransliterationRuleData::lookup(UChar32 standIn) const {
michael@0 98 int32_t i = standIn - variablesBase;
michael@0 99 return (i >= 0 && i < variablesLength) ? variables[i] : 0;
michael@0 100 }
michael@0 101
michael@0 102 UnicodeMatcher*
michael@0 103 TransliterationRuleData::lookupMatcher(UChar32 standIn) const {
michael@0 104 UnicodeFunctor *f = lookup(standIn);
michael@0 105 return (f != 0) ? f->toMatcher() : 0;
michael@0 106 }
michael@0 107
michael@0 108 UnicodeReplacer*
michael@0 109 TransliterationRuleData::lookupReplacer(UChar32 standIn) const {
michael@0 110 UnicodeFunctor *f = lookup(standIn);
michael@0 111 return (f != 0) ? f->toReplacer() : 0;
michael@0 112 }
michael@0 113
michael@0 114
michael@0 115 U_NAMESPACE_END
michael@0 116
michael@0 117 #endif /* #if !UCONFIG_NO_TRANSLITERATION */

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