components: add wifi_sync component

components/wifi_sync/wifi_credential.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/wifi_sync/wifi_credential.h"
+
+#include <limits>
+#include <string>
+
+#include "base/logging.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/stringprintf.h"
+
+namespace wifi_sync {
+
+WifiCredential::WifiCredential(
+    const char* ssid,
+    WifiSecurityClass security_class,
+    const std::string& passphrase)
+    : ssid_(ssid, ssid + strlen(ssid)),
+      security_class_(security_class),
+      passphrase_(passphrase) {
+}
+
+WifiCredential::WifiCredential(
+    const std::vector<unsigned char>& ssid,
+    WifiSecurityClass security_class,
+    const std::string& passphrase)
+    : ssid_(ssid),
+      security_class_(security_class),
+      passphrase_(passphrase) {
+}
+
+WifiCredential::~WifiCredential() {
+  // Nothing special to do.
+}
+
+std::string WifiCredential::ToString() const {
+  DCHECK(ssid_.size() <= std::numeric_limits<size_t>::max() / 2);
+  return base::StringPrintf(
+      "[SSID (hex): %s, SecurityClass: %d]",
+      base::HexEncode(ssid_.data(), ssid_.size()).c_str(),
+      security_class_);  // Passphrase deliberately omitted.
+}
+
+// static
+bool WifiCredential::IsLessThan(
+    const WifiCredential& a, const WifiCredential& b) {
+  return a.ssid_ < b.ssid_ ||
+      a.security_class_< b.security_class_ ||
+      a.passphrase_ < b.passphrase_;
+}
+
+// static
+WifiCredential::CredentialSet WifiCredential::MakeSet() {
+  return CredentialSet(WifiCredential::IsLessThan);
+}
+
+}  // namespace wifi_sync