text: // Copyright (c) 2016 Mantano
  // Licensed to the Readium Foundation under one or more contributor license agreements.
  //
  // Redistribution and use in source and binary forms, with or without modification,
  // are permitted provided that the following conditions are met:
  //
  // 1. Redistributions of source code must retain the above copyright notice, this
  //    list of conditions and the following disclaimer.
  // 2. Redistributions in binary form must reproduce the above copyright notice,
  //    this list of conditions and the following disclaimer in the documentation and/or
  //    other materials provided with the distribution.
  // 3. Neither the name of the organization nor the names of its contributors may be
  //    used to endorse or promote products derived from this software without specific
  //    prior written permission
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
  // ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  #ifndef __I_DECRYPTION_CONTEXT_H__
  #define __I_DECRYPTION_CONTEXT_H__
  
  #include <stdlib.h>
  
  namespace lcp
  {
      struct DecRangeInfo
      {
          DecRangeInfo()
              : position(0)
              , length(0)
          {}
          size_t position;
          size_t length;
      };
  
      class IDecryptionContext
      {
      public:
          virtual DecRangeInfo GetDecryptionRange() const = 0;
          virtual ~IDecryptionContext() {}
      };
  }
  
  #endif //__I_DECRYPTION_CONTEXT_H__
  