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