104 lines
3.0 KiB
C++
104 lines
3.0 KiB
C++
/*
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**********************************************************************
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* Copyright (C) 1999, 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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* 11/17/99 aliu Creation.
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**********************************************************************
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*/
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#include "unicode/unistr.h"
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#include "unicode/uniset.h"
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#include "rbt_data.h"
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#include "hash.h"
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#include "cmemory.h"
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U_NAMESPACE_BEGIN
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const char TransliterationRuleData::fgClassID=0;
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TransliterationRuleData::TransliterationRuleData(UErrorCode& status)
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: UObject(), ruleSet(status),
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variableNames(0), variables(0)
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{
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if (U_FAILURE(status)) {
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return;
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}
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variableNames = new Hashtable(status);
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/* test for NULL */
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if (variableNames == 0) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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if (U_SUCCESS(status)) {
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variableNames->setValueDeleter(uhash_deleteUnicodeString);
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}
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variables = 0;
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variablesLength = 0;
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}
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TransliterationRuleData::TransliterationRuleData(const TransliterationRuleData& other) :
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UObject(other), ruleSet(other.ruleSet),
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variablesBase(other.variablesBase),
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variablesLength(other.variablesLength)
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{
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UErrorCode status = U_ZERO_ERROR;
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variableNames = new Hashtable(status);
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if (U_SUCCESS(status)) {
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variableNames->setValueDeleter(uhash_deleteUnicodeString);
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int32_t pos = -1;
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const UHashElement *e;
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while ((e = other.variableNames->nextElement(pos)) != 0) {
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UnicodeString* value =
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new UnicodeString(*(const UnicodeString*)e->value.pointer);
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variableNames->put(*(UnicodeString*)e->key.pointer, value, status);
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}
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}
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variables = 0;
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if (other.variables != 0) {
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variables = (UnicodeFunctor **)uprv_malloc(variablesLength * sizeof(UnicodeFunctor *));
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/* test for NULL */
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if (variables == 0) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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for (int32_t i=0; i<variablesLength; ++i) {
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variables[i] = other.variables[i]->clone();
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}
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}
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// Do this last, _after_ setting up variables[].
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ruleSet.setData(this); // ruleSet must already be frozen
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}
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TransliterationRuleData::~TransliterationRuleData() {
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delete variableNames;
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if (variables != 0) {
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for (int32_t i=0; i<variablesLength; ++i) {
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delete variables[i];
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}
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uprv_free(variables);
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}
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}
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UnicodeFunctor*
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TransliterationRuleData::lookup(UChar32 standIn) const {
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int32_t i = standIn - variablesBase;
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return (i >= 0 && i < variablesLength) ? variables[i] : 0;
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}
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UnicodeMatcher*
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TransliterationRuleData::lookupMatcher(UChar32 standIn) const {
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UnicodeFunctor *f = lookup(standIn);
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return (f != 0) ? f->toMatcher() : 0;
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}
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UnicodeReplacer*
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TransliterationRuleData::lookupReplacer(UChar32 standIn) const {
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UnicodeFunctor *f = lookup(standIn);
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return (f != 0) ? f->toReplacer() : 0;
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}
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U_NAMESPACE_END
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