/*
 * Copyright (c) 2024-2024 Huawei Device Co., Ltd.
 * 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.
 */
#ifndef SIGNATRUETOOLS_BYTEBUFFER_DATASOURCE_H
#define SIGNATRUETOOLS_BYTEBUFFER_DATASOURCE_H

#include "data_source.h"
#include "export_define.h"
#include "byte_buffer.h"
#include "digest_parameter.h"

namespace OHOS {
namespace SignatureTools {

class ByteBufferDataSource : public DataSource {
public:
    DLL_EXPORT ByteBufferDataSource(ByteBuffer& hapBuffer);
    DLL_EXPORT ~ByteBufferDataSource();
    bool HasRemaining() const override;
    int64_t Remaining() const override;
    void Reset() override;
    bool ReadDataAndDigestUpdate(const DigestParameter& digestParam, int32_t chunkSize) override;
    ByteBuffer& GetByteBuffer()
    {
        return bytebuffer;
    }

private:
    ByteBuffer& bytebuffer;
};
} // namespace SignatureTools
} // namespace OHOS
#endif // SIGNATRUETOOLS_BYTEBUFFER_DATASOURCE_H