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// Copyright 2019 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.
#ifndef DISCOVERY_DNSSD_PUBLIC_TXT_RECORD_H_
#define DISCOVERY_DNSSD_PUBLIC_TXT_RECORD_H_
#include "absl/strings/string_view.h"
#include "absl/types/span.h"
#include "platform/base/error.h"
namespace openscreen {
namespace discovery {
class DnsSdTxtRecord {
public:
// Sets the value currently stored in this DNS-SD TXT record. Returns error
// if the provided key is already set or if either the key or value is
// invalid, and Error::None() otherwise. Case of the key is ignored.
Error SetValue(const absl::string_view& key,
const absl::Span<uint8_t>& value);
Error SetFlag(const absl::string_view& key, bool value);
// Reads the value associated with the provided key, or an error if the key
// is invalid or not present. Case of the key is ignored.
ErrorOr<absl::Span<uint8_t>> GetValue(const absl::string_view& key) const;
ErrorOr<bool> GetFlag(const absl::string_view& key) const;
// Clears an existing TxtRecord value associated with the given key.
void ClearValue(const absl::string_view& key);
void ClearFlag(const absl::string_view& key);
};
} // namespace discovery
} // namespace openscreen
#endif // DISCOVERY_DNSSD_PUBLIC_TXT_RECORD_H_
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