/*
**********************************************************************
* Copyright (C) 1999-2011, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* Date Name Description
* 11/17/99 aliu Creation.
**********************************************************************
*/
#include "unicode/utypes.h"
#include "umutex.h"
#if !UCONFIG_NO_TRANSLITERATION
#include "unicode/unistr.h"
#include "unicode/uniset.h"
#include "rbt_data.h"
#include "hash.h"
#include "cmemory.h"
U_NAMESPACE_BEGIN
TransliterationRuleData::TransliterationRuleData(UErrorCode& status)
: UMemory(), ruleSet(status), variableNames(status),
variables(0), variablesAreOwned(TRUE)
{
if (U_FAILURE(status)) {
return;
}
variableNames.setValueDeleter(uprv_deleteUObject);
variables = 0;
variablesLength = 0;
}
TransliterationRuleData::TransliterationRuleData(const TransliterationRuleData& other) :
UMemory(other), ruleSet(other.ruleSet),
variablesAreOwned(TRUE),
variablesBase(other.variablesBase),
variablesLength(other.variablesLength)
{
UErrorCode status = U_ZERO_ERROR;
int32_t i = 0;
variableNames.setValueDeleter(uprv_deleteUObject);
int32_t pos = -1;
const UHashElement *e;
while ((e = other.variableNames.nextElement(pos)) != 0) {
UnicodeString* value =
new UnicodeString(*(const UnicodeString*)e->value.pointer);
// Exit out if value could not be created.
if (value == NULL) {
return;
}
variableNames.put(*(UnicodeString*)e->key.pointer, value, status);
}
variables = 0;
if (other.variables != 0) {
variables = (UnicodeFunctor **)uprv_malloc(variablesLength * sizeof(UnicodeFunctor *));
/* test for NULL */
if (variables == 0) {
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
for (i=0; i<variablesLength; ++i) {
variables[i] = other.variables[i]->clone();
if (variables[i] == NULL) {
status = U_MEMORY_ALLOCATION_ERROR;
break;
}
}
}
// Remove the array and exit if memory allocation error occured.
if (U_FAILURE(status)) {
for (int32_t n = i-1; n >= 0; n++) {
delete variables[n];
}
uprv_free(variables);
variables = NULL;
return;
}
// Do this last, _after_ setting up variables[].
ruleSet.setData(this); // ruleSet must already be frozen
}
TransliterationRuleData::~TransliterationRuleData() {
if (variablesAreOwned && variables != 0) {
for (int32_t i=0; i<variablesLength; ++i) {
delete variables[i];
}
}
uprv_free(variables);
}
UnicodeFunctor*
TransliterationRuleData::lookup(UChar32 standIn) const {
int32_t i = standIn - variablesBase;
return (i >= 0 && i < variablesLength) ? variables[i] : 0;
}
UnicodeMatcher*
TransliterationRuleData::lookupMatcher(UChar32 standIn) const {
UnicodeFunctor *f = lookup(standIn);
return (f != 0) ? f->toMatcher() : 0;
}
UnicodeReplacer*
TransliterationRuleData::lookupReplacer(UChar32 standIn) const {
UnicodeFunctor *f = lookup(standIn);
return (f != 0) ? f->toReplacer() : 0;
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_TRANSLITERATION */
