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/*
$Id: outputsource.h,v 1.13 2001/09/22 15:52:10 plasmoid Exp $
------------------------------------------------------------------------
ClanLib, the platform independent game SDK.
This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
version 2. See COPYING for details.
For a total list of contributers see CREDITS.
See http://www.clanlib.org
------------------------------------------------------------------------
*/
//! clanCore="I/O Data"
//! header=core.h
#ifndef header_outputsource
#define header_outputsource
#include <string>
//: Interface to write data to different types of output sources.
//- <p>CL_OutputSource is used to write data to different types of input sources.
//- In most cases, this is regular files and ClanLib zlib compressed datafiles.</p>
//-
//- <p>To access some system specific output source types, such as datafiles and
//- regular ones, use the static create functions in the CL_OutputSourceProvider
//- class.</p>
//- CL_OutputSourceProvider - Interface to open output sources with.
class CL_OutputSource
{
//! Construction:
public:
//: Output Source Constructor
CL_OutputSource() { set_system_mode(); }
//: Output Source Destructor
virtual ~CL_OutputSource() { return; }
//! Attributes:
public:
//: Returns current position in output source.
//- Returns - Current position in source.
virtual int tell() const = 0;
//: Returns the size of the output source
//- Returns - Size of the output source.
virtual int size() const = 0;
//! Operations:
public:
//: Changes output data endianess to the local systems mode.
virtual void set_system_mode();
//: Changes output data endianess to big endian mode.
virtual void set_big_endian_mode();
//: Changes output data endianess to little endian mode. This is the default setting.
virtual void set_little_endian_mode();
//: Writes a signed 32 bit integer to output source.
virtual void write_int32(int data);
//: Writes an unsigned 32 bit integer to output source.
virtual void write_uint32(unsigned int data);
//: Writes a signed 16 bit integer (short) to output source.
virtual void write_short16(short data);
//: Writes an unsigned 16 bit integer (short) to output source.
virtual void write_ushort16(unsigned short data);
//: Writes a signed 8 bit integer (char) to output source.
virtual void write_char8(char data);
//: Writes an unsigned 8 bit integer (char) to output source.
virtual void write_uchar8(unsigned char data);
//: Writes an ieee format floating point to output source.
virtual void write_float32(float data);
//: Writes a bool to output source.
virtual void write_bool8(bool data);
//: Writes a string to the output source.
//: <p>The binary format written to the output source is first an uint32 telling the length of the
//: string, and then the string itself.</p>
virtual void write_string(const std::string &str);
//: Writes larger amounts of data (no endian and 64 bit conversion):
//- data - Points to the array from which to write.
//- size - Number of bytes to write.
//- Returns - Num bytes actually written.
virtual int write(const void *data, int size) = 0;
//: Opens the output source. By default, it is open.
virtual void open() = 0;
//: Closes the output source.
virtual void close() = 0;
//: Make a copy of the current outputsource, standing at the same position.
//- Returns - The copy of the output source.
virtual CL_OutputSource *clone() = 0;
//! Implementation:
protected:
bool little_endian_mode;
};
#endif
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