scuffed-code/icu4c/source/i18n/rbt_data.cpp
2001-10-30 23:55:09 +00:00

85 lines
2.5 KiB
C++

/*
**********************************************************************
* Copyright (C) 1999, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* Date Name Description
* 11/17/99 aliu Creation.
**********************************************************************
*/
#include "rbt_data.h"
#include "hash.h"
#include "unicode/unistr.h"
#include "unicode/uniset.h"
U_NAMESPACE_BEGIN
TransliterationRuleData::TransliterationRuleData(UErrorCode& status)
: ruleSet(status),
variableNames(0), variables(0)
{
if (U_FAILURE(status)) {
return;
}
variableNames = new Hashtable(status);
if (U_SUCCESS(status)) {
variableNames->setValueDeleter(uhash_deleteUnicodeString);
}
variables = 0;
variablesLength = 0;
}
TransliterationRuleData::TransliterationRuleData(const TransliterationRuleData& other) :
ruleSet(other.ruleSet),
variablesBase(other.variablesBase),
variablesLength(other.variablesLength),
segmentBase(other.segmentBase)
{
ruleSet.setData(this); // ruleSet must already be frozen
UErrorCode status = U_ZERO_ERROR;
variableNames = new Hashtable(status);
if (U_SUCCESS(status)) {
variableNames->setValueDeleter(uhash_deleteUnicodeString);
int32_t pos = -1;
const UHashElement *e;
while ((e = other.variableNames->nextElement(pos)) != 0) {
UnicodeString* value =
new UnicodeString(*(const UnicodeString*)e->value.pointer);
variableNames->put(*(UnicodeString*)e->key.pointer, value, status);
}
}
variables = 0;
if (other.variables != 0) {
variables = new UnicodeMatcher*[variablesLength];
for (int32_t i=0; i<variablesLength; ++i) {
variables[i] = other.variables[i]->clone();
}
}
}
TransliterationRuleData::~TransliterationRuleData() {
delete variableNames;
if (variables != 0) {
for (int32_t i=0; i<variablesLength; ++i) {
delete variables[i];
}
delete[] variables;
}
}
UnicodeMatcher*
TransliterationRuleData::lookup(UChar32 standIn) const {
int32_t i = standIn - variablesBase;
return (i >= 0 && i < variablesLength) ? variables[i] : 0;
}
int32_t
TransliterationRuleData::lookupSegmentReference(UChar32 c) const {
int32_t i = segmentBase - c;
return (i >= 0 && i < segmentCount) ? i : -1;
}
U_NAMESPACE_END