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// Copyright (C) 2013-2020 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <util/labeled_value.h>
namespace isc {
namespace util {
/**************************** LabeledValue ****************************/
LabeledValue::LabeledValue(const int value, const std::string& label)
: value_(value), label_(label) {
if (label.empty()) {
isc_throw(LabeledValueError, "labels cannot be empty");
}
}
LabeledValue::~LabeledValue(){
}
int
LabeledValue::getValue() const {
return (value_);
}
std::string
LabeledValue::getLabel() const {
return (label_);
}
bool
LabeledValue::operator==(const LabeledValue& other) const {
return (this->value_ == other.value_);
}
bool
LabeledValue::operator!=(const LabeledValue& other) const {
return (this->value_ != other.value_);
}
bool
LabeledValue::operator<(const LabeledValue& other) const {
return (this->value_ < other.value_);
}
std::ostream& operator<<(std::ostream& os, const LabeledValue& vlp) {
os << vlp.getLabel();
return (os);
}
/**************************** LabeledValueSet ****************************/
const char* LabeledValueSet::UNDEFINED_LABEL = "UNDEFINED";
LabeledValueSet::LabeledValueSet(){
}
LabeledValueSet::~LabeledValueSet() {
}
void
LabeledValueSet::add(LabeledValuePtr entry) {
if (!entry) {
isc_throw(LabeledValueError, "cannot add an null entry to set");
}
const int value = entry->getValue();
if (isDefined(value)) {
isc_throw(LabeledValueError,
"value: " << value << " is already defined as: "
<< getLabel(value));
}
map_[value] = entry;
}
void
LabeledValueSet::add(const int value, const std::string& label) {
add(LabeledValuePtr(new LabeledValue(value,label)));
}
const LabeledValuePtr&
LabeledValueSet::get(int value) {
static LabeledValuePtr undefined;
LabeledValueMap::iterator it = map_.find(value);
if (it != map_.end()) {
return ((*it).second);
}
// Return an empty pointer when not found.
return (undefined);
}
bool
LabeledValueSet::isDefined(const int value) const {
LabeledValueMap::const_iterator it = map_.find(value);
return (it != map_.end());
}
std::string
LabeledValueSet::getLabel(const int value) const {
LabeledValueMap::const_iterator it = map_.find(value);
if (it != map_.end()) {
const LabeledValuePtr& ptr = (*it).second;
return (ptr->getLabel());
}
return (std::string(UNDEFINED_LABEL));
}
} // namespace isc::util
} // namespace isc
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