1 files changed, 68 insertions, 0 deletions
diff --git a/src/lib/yang/adaptor_host.cc b/src/lib/yang/adaptor_host.cc
new file mode 100644
index 0000000..9df7d5b
--- /dev/null
+++ b/src/lib/yang/adaptor_host.cc
@@ -0,0 +1,68 @@
+// 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>
+
+using namespace std;
+using namespace isc::data;
+using namespace isc::util;
+
+namespace isc {
+namespace yang {
+
+const string
+AdaptorHost::STD_CHARACTERS =
+    "0123456789@ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-.@_";
+
+AdaptorHost::AdaptorHost() {
+}
+
+AdaptorHost::~AdaptorHost() {
+}
+
+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()));
+}
+
+}  // end of namespace isc::yang
+}  // end of namespace isc