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// Copyright (C) 2014-2024 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 <cc/data.h>
#include <dhcp/classify.h>
#include <util/str.h>
#include <boost/algorithm/string/classification.hpp>
#include <boost/algorithm/string/constants.hpp>
#include <boost/algorithm/string/split.hpp>
#include <sstream>
#include <vector>
namespace isc {
namespace dhcp {
using namespace isc::data;
ClientClasses::ClientClasses(const std::string& class_names)
: container_() {
std::vector<std::string> split_text;
boost::split(split_text, class_names, boost::is_any_of(","),
boost::algorithm::token_compress_off);
for (size_t i = 0; i < split_text.size(); ++i) {
std::string trimmed = util::str::trim(split_text[i]);
// Ignore empty class names.
if (!trimmed.empty()) {
insert(ClientClass(trimmed));
}
}
}
ClientClasses::ClientClasses(const ClientClasses& other) {
for (auto const& cclass : other) {
insert(cclass);
}
}
void
ClientClasses::erase(const ClientClass& class_name) {
auto& idx = container_.get<ClassNameTag>();
auto it = idx.find(class_name);
if (it != idx.end()) {
static_cast<void>(idx.erase(it));
}
}
bool
ClientClasses::contains(const ClientClass& x) const {
auto const& idx = container_.get<ClassNameTag>();
return (idx.count(x) != 0);
}
bool
ClientClasses::intersects(const ClientClasses& cclasses) const {
if (cclasses.size() > size()) {
for (const auto& cclass : *this) {
if (cclasses.contains(cclass)) {
return (true);
}
}
} else {
for (const auto& cclass : cclasses) {
if (contains(cclass)) {
return (true);
}
}
}
return (false);
}
std::string
ClientClasses::toText(const std::string& separator) const {
std::stringstream s;
bool first = true;
for (auto const& class_it : *this) {
if (!first) {
s << separator;
} else {
first = false;
}
s << class_it;
}
return (s.str());
}
ElementPtr
ClientClasses::toElement() const {
ElementPtr result(Element::createList());
for (auto const& c : container_) {
result->add(Element::create(c));
}
return (result);
}
void
ClientClasses::fromElement(isc::data::ConstElementPtr cc_list) {
if (cc_list) {
clear();
if (cc_list->getType() != Element::list) {
isc_throw(BadValue, "not a List element");
}
for (auto i = 0; i < cc_list->size(); ++i) {
auto cclass = cc_list->get(i);
if (cclass->getType() != Element::string) {
isc_throw(BadValue, "elements of list must be valid strings");
}
static_cast<void>(insert(cclass->stringValue()));
}
}
}
bool
ClientClasses::equals(const ClientClasses& other) const {
return ((size() == other.size()) && std::equal(cbegin(), cend(), other.cbegin()));
}
ClientClasses&
ClientClasses::operator=(const ClientClasses& other) {
clear();
for (auto const& cclass : other) {
insert(cclass);
}
return (*this);
}
} // end of namespace isc::dhcp
} // end of namespace isc
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