ByteBuffer.h

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// Copyright 2024 libsese
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#pragma once
 
#include "sese/io/AbstractByteBuffer.h"
#include <mutex>
 
#ifdef _WIN32
#pragma warning(disable : 4251)
#endif
 
namespace sese::io {
 
class  ByteBuffer final : AbstractByteBuffer {
public:
    using Ptr = std::unique_ptr<ByteBuffer>;
 
    explicit ByteBuffer(size_t base_size = STREAM_BYTE_STREAM_SIZE_FACTOR, size_t factor = STREAM_BYTE_STREAM_SIZE_FACTOR);
    void resetPos() override;
    bool eof() override;
    [[nodiscard]] size_t getLength();
    [[nodiscard]] size_t getCapacity();
    size_t freeCapacity() override;
    int64_t read(void *buffer, size_t len) override;
    int64_t write(const void *buffer, size_t len) override;
    int64_t peek(void *buffer, size_t len) override;
    int64_t trunc(size_t need_read) override;
    // [[nodiscard]] size_t getCurrentWritePos();
    // [[nodiscard]] size_t getCurrentReadPos();
 
private:
    using AbstractByteBuffer::getCapacity;
    using AbstractByteBuffer::getLength;
 
    std::mutex mutex;
};
} // namespace sese::io