VirgilStreamDataSource.h

#ifndef VIRGIL_CRYPTO_VIRGIL_STREAM_DATA_SOURCE_H
#define VIRGIL_CRYPTO_VIRGIL_STREAM_DATA_SOURCE_H

#include <istream>

#include <virgil/crypto/VirgilByteArray.h>
#include <virgil/crypto/VirgilDataSource.h>

namespace virgil { namespace crypto { namespace stream {

class VirgilStreamDataSource : public virgil::crypto::VirgilDataSource {
public:
    explicit VirgilStreamDataSource(std::istream& in, size_t chunkSize = 4096);

    virtual ~VirgilStreamDataSource() throw();

    virtual bool hasData();

    virtual virgil::crypto::VirgilByteArray read();

private:
    std::istream& in_;
    size_t chunkSize_;
};

}}}

#endif /* VIRGIL_CRYPTO_VIRGIL_STREAM_DATA_SOURCE_H */