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// Copyright (C) 2018-2022 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/encode/hex.h>
#include <util/strutil.h>
#include <yang/adaptor_host.h>
#include <iomanip>
#include <sstream>
#include <vector>
using namespace std;
using namespace isc::data;
using namespace isc::util;
namespace isc {
namespace yang {
const string
AdaptorHost::STD_CHARACTERS =
"0123456789@ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-.@_";
void
AdaptorHost::quoteIdentifier(ElementPtr host) {
ConstElementPtr flex_id = host->get("flex-id");
if (!flex_id) {
return;
}
const string& id = flex_id->stringValue();
// Empty is allowed.
if (id.empty()) {
return;
}
// No special and no not printable characters?
if (id.find_first_not_of(STD_CHARACTERS) == string::npos) {
return;
}
// Quoted identifier?
vector<uint8_t> binary = str::quotedStringToBinary(id);
if (binary.empty()) {
binary.assign(id.begin(), id.end());
}
// Convert in hexadecimal (from DUID::toText()).
stringstream tmp;
tmp << hex;
bool delim = false;
for (vector<uint8_t>::const_iterator it = binary.begin();
it != binary.end(); ++it) {
if (delim) {
tmp << ":";
}
tmp << setw(2) << setfill('0') << static_cast<unsigned int>(*it);
delim = true;
}
host->set("flex-id", Element::create(tmp.str()));
}
} // namespace yang
} // namespace isc
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