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/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#ifndef GDCMBASE64_H
#define GDCMBASE64_H
#include "gdcmTypes.h"
namespace gdcm
{
/**
* \brief Class for Base64
*
*/
class GDCM_EXPORT Base64
{
public:
/**
* Call this function to obtain the required buffer size
*/
static size_t GetEncodeLength(const char *src, size_t srclen );
/**
* \brief Encode a buffer into base64 format
*
* \param dst destination buffer
* \param dlen size of the buffer
* \param src source buffer
* \param slen amount of data to be encoded
*
* \return 0 if not successful, size of encoded otherwise
*
*/
static size_t Encode( char *dst, size_t dlen, const char *src, size_t slen );
/**
* Call this function to obtain the required buffer size
*/
static size_t GetDecodeLength( const char *src, size_t len );
/**
* \brief Decode a base64-formatted buffer
*
* \param dst destination buffer
* \param dlen size of the buffer
* \param src source buffer
* \param slen amount of data to be decoded
*
* \return 0 if not successful, size of decoded otherwise
*/
static size_t Decode( char *dst, size_t dlen, const char *src, size_t slen );
private:
Base64(const Base64&); // Not implemented.
void operator=(const Base64&); // Not implemented.
};
} // end namespace gdcm
#endif // GDCMBASE64_H
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