1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/i18n/rbt_data.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,117 @@
1.4 +/*
1.5 +**********************************************************************
1.6 +* Copyright (C) 1999-2011, International Business Machines
1.7 +* Corporation and others. All Rights Reserved.
1.8 +**********************************************************************
1.9 +* Date Name Description
1.10 +* 11/17/99 aliu Creation.
1.11 +**********************************************************************
1.12 +*/
1.13 +
1.14 +#include "unicode/utypes.h"
1.15 +#include "umutex.h"
1.16 +
1.17 +#if !UCONFIG_NO_TRANSLITERATION
1.18 +
1.19 +#include "unicode/unistr.h"
1.20 +#include "unicode/uniset.h"
1.21 +#include "rbt_data.h"
1.22 +#include "hash.h"
1.23 +#include "cmemory.h"
1.24 +
1.25 +U_NAMESPACE_BEGIN
1.26 +
1.27 +TransliterationRuleData::TransliterationRuleData(UErrorCode& status)
1.28 + : UMemory(), ruleSet(status), variableNames(status),
1.29 + variables(0), variablesAreOwned(TRUE)
1.30 +{
1.31 + if (U_FAILURE(status)) {
1.32 + return;
1.33 + }
1.34 + variableNames.setValueDeleter(uprv_deleteUObject);
1.35 + variables = 0;
1.36 + variablesLength = 0;
1.37 +}
1.38 +
1.39 +TransliterationRuleData::TransliterationRuleData(const TransliterationRuleData& other) :
1.40 + UMemory(other), ruleSet(other.ruleSet),
1.41 + variablesAreOwned(TRUE),
1.42 + variablesBase(other.variablesBase),
1.43 + variablesLength(other.variablesLength)
1.44 +{
1.45 + UErrorCode status = U_ZERO_ERROR;
1.46 + int32_t i = 0;
1.47 + variableNames.setValueDeleter(uprv_deleteUObject);
1.48 + int32_t pos = -1;
1.49 + const UHashElement *e;
1.50 + while ((e = other.variableNames.nextElement(pos)) != 0) {
1.51 + UnicodeString* value =
1.52 + new UnicodeString(*(const UnicodeString*)e->value.pointer);
1.53 + // Exit out if value could not be created.
1.54 + if (value == NULL) {
1.55 + return;
1.56 + }
1.57 + variableNames.put(*(UnicodeString*)e->key.pointer, value, status);
1.58 + }
1.59 +
1.60 + variables = 0;
1.61 + if (other.variables != 0) {
1.62 + variables = (UnicodeFunctor **)uprv_malloc(variablesLength * sizeof(UnicodeFunctor *));
1.63 + /* test for NULL */
1.64 + if (variables == 0) {
1.65 + status = U_MEMORY_ALLOCATION_ERROR;
1.66 + return;
1.67 + }
1.68 + for (i=0; i<variablesLength; ++i) {
1.69 + variables[i] = other.variables[i]->clone();
1.70 + if (variables[i] == NULL) {
1.71 + status = U_MEMORY_ALLOCATION_ERROR;
1.72 + break;
1.73 + }
1.74 + }
1.75 + }
1.76 + // Remove the array and exit if memory allocation error occured.
1.77 + if (U_FAILURE(status)) {
1.78 + for (int32_t n = i-1; n >= 0; n++) {
1.79 + delete variables[n];
1.80 + }
1.81 + uprv_free(variables);
1.82 + variables = NULL;
1.83 + return;
1.84 + }
1.85 +
1.86 + // Do this last, _after_ setting up variables[].
1.87 + ruleSet.setData(this); // ruleSet must already be frozen
1.88 +}
1.89 +
1.90 +TransliterationRuleData::~TransliterationRuleData() {
1.91 + if (variablesAreOwned && variables != 0) {
1.92 + for (int32_t i=0; i<variablesLength; ++i) {
1.93 + delete variables[i];
1.94 + }
1.95 + }
1.96 + uprv_free(variables);
1.97 +}
1.98 +
1.99 +UnicodeFunctor*
1.100 +TransliterationRuleData::lookup(UChar32 standIn) const {
1.101 + int32_t i = standIn - variablesBase;
1.102 + return (i >= 0 && i < variablesLength) ? variables[i] : 0;
1.103 +}
1.104 +
1.105 +UnicodeMatcher*
1.106 +TransliterationRuleData::lookupMatcher(UChar32 standIn) const {
1.107 + UnicodeFunctor *f = lookup(standIn);
1.108 + return (f != 0) ? f->toMatcher() : 0;
1.109 +}
1.110 +
1.111 +UnicodeReplacer*
1.112 +TransliterationRuleData::lookupReplacer(UChar32 standIn) const {
1.113 + UnicodeFunctor *f = lookup(standIn);
1.114 + return (f != 0) ? f->toReplacer() : 0;
1.115 +}
1.116 +
1.117 +
1.118 +U_NAMESPACE_END
1.119 +
1.120 +#endif /* #if !UCONFIG_NO_TRANSLITERATION */
