_i_bytes_8h

Wwise SDK 2024.1.1

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 The content of this file includes portions of the AUDIOKINETIC Wwise Technology
 released in source code form as part of the SDK installer package.
  
 Commercial License Usage
  
 Licensees holding valid commercial licenses to the AUDIOKINETIC Wwise Technology
 may use this file in accordance with the end user license agreement provided
 with the software or, alternatively, in accordance with the terms contained in a
 written agreement between you and Audiokinetic Inc.
  
 Apache License Usage
  
 Alternatively, this file may be used under the Apache License, Version 2.0 (the
 "Apache License"); you may not use this file except in compliance with the
 Apache License. You may obtain a copy of the Apache License at
 http://www.apache.org/licenses/LICENSE-2.0.
  
 Unless required by applicable law or agreed to in writing, software distributed
 under the Apache License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
 OR CONDITIONS OF ANY KIND, either express or implied. See the Apache License for
 the specific language governing permissions and limitations under the License.
  
   Copyright (c) 2024 Audiokinetic Inc.
 *******************************************************************************/
  
 /// \file
 /// AK::IReadBytes, AK::IWriteBytes simple serialization interfaces.
  
 #ifndef _AK_IBYTES_H
 #define _AK_IBYTES_H
  
 #include <wchar.h>
 #include <AK/Tools/Common/AkPlatformFuncs.h> 
  
 namespace AK
 {
     /// Generic binary input interface.
     /// \akwarning
     /// The functions in this interface are not thread-safe, unless stated otherwise.
     /// \endakwarning
     class IReadBytes
     {
     public:
         ////////////////////////////////////////////////////////////////////////
         /// @name Interface
         //@{
  
         /// Reads some bytes into a buffer.
         /// \return True if the operation was successful, False otherwise
         virtual bool ReadBytes(
             void * in_pData,        ///< Pointer to a buffer
             AkInt32 in_cBytes,          ///< Size of the buffer (in bytes)
             AkInt32 & out_cRead         ///< Returned number of read bytes
         ) = 0;
  
         //@}
  
         ////////////////////////////////////////////////////////////////////////
         /// @name Helpers
         //@{
  
         /// Reads a simple type or structure.
         /// \akwarning
         /// Not for object serialization.
         /// \endakwarning
         /// \return True if the operation was successful, False otherwise.
         template<class T>
         bool Read(
             T & out_data)   ///< Data to be read
         {
             AkInt32 cRead;
             return ReadBytes(&out_data, sizeof(T), cRead);
         }
  
         template<>
         bool Read<bool>(
             bool & out_data)
         {
             AkInt32 cRead;
             uint8_t byte;
             if (ReadBytes(&byte, 1, cRead))
             {
                 out_data = byte;
                 return true;
             }
             return false;
         }
  
         /// Reads a simple type or structure.
         /// \warning This method does not allow for error checking. Use other methods when error cases need to be handled.
         /// \warning Not for object serialization.
         /// \return Read data
         template<class T>
         T Read()
         {
             T value;
             this->Read<T>(value);
             return value;
         }
  
         //@}
     };
  
  
     /// Generic binary output interface.
     /// \akwarning
     /// The functions in this interface are not thread-safe, unless stated otherwise.
     /// \endakwarning
     class IWriteBytes
     {
     public:
         ////////////////////////////////////////////////////////////////////////
         /// @name Interface
         //@{
  
         /// Writes some bytes from a buffer.
         /// \return True if the operation was successful, False otherwise
         virtual bool WriteBytes(
             const void * in_pData,  ///< Pointer to a buffer
             AkInt32 in_cBytes,      ///< Size of the buffer (in bytes)
             AkInt32 & out_cWritten      ///< Returned number of written bytes
         ) = 0;
  
         //@}
  
         ////////////////////////////////////////////////////////////////////////
         /// @name Helpers
         //@{
  
         /// Writes a simple type or struct.
         /// \warning Not for object serialization.
         /// \return True if the operation was successful, False otherwise
         template<class T>
         bool Write(
             const T & in_data)      ///< Data to be written
         {
             AkInt32 cWritten;
             return WriteBytes(&in_data, sizeof(T), cWritten);
         }
  
         template<>
         bool Write<bool>(
             const bool & in_data)
         {
             AkInt32 cWritten;
             const uint8_t byte = in_data;
             return WriteBytes(&byte, 1, cWritten);
         }
  
         //@}
     };
  
     /// Generic memory buffer interface.
     /// \akwarning
     /// The functions in this interface are not thread-safe, unless stated otherwise.
     /// \endakwarning
     class IWriteBuffer : public IWriteBytes
     {
     public:
         ////////////////////////////////////////////////////////////////////////
         /// @name Interface
         //@{
  
         /// Get the number of bytes written to the buffer.
         /// \return number of bytes written.
         virtual AkInt32 Count() const = 0;
  
         /// Get pointer to buffer.
         /// \return pointer to buffer.
         virtual AkUInt8 * Bytes() const = 0;
  
         /// Set number of bytes written.
         virtual void SetCount(AkInt32 in_cBytes) = 0;
  
         /// Allocate memory.
         /// \return true if allocation was successful.
         virtual bool Reserve(AkInt32 in_cBytes) = 0;
  
         /// Clear the buffer contents.
         virtual void Clear() = 0;
  
         /// Return pointer to buffer and clear internal pointer.
         virtual AkUInt8 * Detach() = 0;
  
         //@}
     };
 }
  
 #endif // _AK_IBYTES_H