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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
* Copyright (c) 2004-2014, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* Author: Alan Liu
* Created: January 16 2004
* Since: ICU 2.8
**********************************************************************
*/
#include "locbased.h"
#include "cstring.h"
#include "charstr.h"
U_NAMESPACE_BEGIN
Locale LocaleBased::getLocale(const CharString* valid, const CharString* actual,
ULocDataLocaleType type, UErrorCode& status) {
const char* id = getLocaleID(valid, actual, type, status);
return Locale(id != nullptr ? id : "");
}
const char* LocaleBased::getLocaleID(const CharString* valid, const CharString* actual,
ULocDataLocaleType type, UErrorCode& status) {
if (U_FAILURE(status)) {
return nullptr;
}
switch(type) {
case ULOC_VALID_LOCALE:
return valid == nullptr ? "" : valid->data();
case ULOC_ACTUAL_LOCALE:
return actual == nullptr ? "" : actual->data();
default:
status = U_ILLEGAL_ARGUMENT_ERROR;
return nullptr;
}
}
void LocaleBased::setLocaleIDs(const CharString* validID, const CharString* actualID, UErrorCode& status) {
setValidLocaleID(validID, status);
setActualLocaleID(actualID,status);
}
void LocaleBased::setLocaleIDs(const char* validID, const char* actualID, UErrorCode& status) {
setValidLocaleID(validID, status);
setActualLocaleID(actualID,status);
}
void LocaleBased::setLocaleID(const char* id, CharString*& dest, UErrorCode& status) {
if (U_FAILURE(status)) { return; }
if (id == nullptr || *id == 0) {
delete dest;
dest = nullptr;
} else {
if (dest == nullptr) {
dest = new CharString(id, status);
if (dest == nullptr) {
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
} else {
dest->copyFrom(id, status);
}
}
}
void LocaleBased::setLocaleID(const CharString* id, CharString*& dest, UErrorCode& status) {
if (U_FAILURE(status)) { return; }
if (id == nullptr || id->isEmpty()) {
delete dest;
dest = nullptr;
} else {
if (dest == nullptr) {
dest = new CharString(*id, status);
if (dest == nullptr) {
status = U_MEMORY_ALLOCATION_ERROR;
return;
}
} else {
dest->copyFrom(*id, status);
}
}
}
bool LocaleBased::equalIDs(const CharString* left, const CharString* right) {
// true if both are nullptr
if (left == nullptr && right == nullptr) return true;
// false if only one is nullptr
if (left == nullptr || right == nullptr) return false;
return *left == *right;
}
U_NAMESPACE_END
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