mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 15:16:12 -04:00
Alexey Polyudov
b724d792dd
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I9a7d3c3d9790dc58c0d4c2bd2134499337b9a17b
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef PLATFORM_BASE_BASE_INPUT_STREAM_H_
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#define PLATFORM_BASE_BASE_INPUT_STREAM_H_
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#include "platform/base/byte_array.h"
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#include "platform/base/exception.h"
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#include "platform/base/input_stream.h"
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namespace location {
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namespace nearby {
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// A base {@link InputStream } for reading the contents of a byte array.
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class BaseInputStream : public InputStream {
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public:
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explicit BaseInputStream(ByteArray &buffer) : buffer_{buffer} {}
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BaseInputStream(const BaseInputStream &) = delete;
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BaseInputStream &operator=(const BaseInputStream &) = delete;
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~BaseInputStream() override { Close(); }
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ExceptionOr<ByteArray> Read(std::int64_t size) override;
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Exception Close() override {
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// Do nothing.
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return {Exception::kSuccess};
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}
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std::uint8_t ReadUint8();
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std::uint16_t ReadUint16();
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std::uint32_t ReadUint32();
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std::uint64_t ReadUint64();
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ByteArray ReadBytes(int size);
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bool IsAvailable(int size) const {
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return buffer_.size() - position_ >= size;
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}
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private:
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ByteArray &buffer_;
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int position_{0};
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};
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_BASE_BASE_INPUT_STREAM_H_
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