/*! \file xstream/except/z.h
 *
 * \brief exceptions related to zlib usage xstream::z namespace
 *
 */

#ifndef __XSTREAM_EXCEPT_Z_H
#define __XSTREAM_EXCEPT_Z_H

#include <xstream/config.h>

#include <string>
#include <xstream/except.h>
#include <xstream/z.h>

namespace xstream{
	namespace z{

/*!
 * \brief errors in zlib usage
 *
 */
class general_error: public xstream::fatal_error
{
	public:
		general_error(
				const std::string& w="generic error in zlib stream"
			)
			:xstream::fatal_error(w){};
		virtual std::string module() const
		{
			return (xstream::fatal_error::module()+"::zlib");
		}
};

/*!
 * \brief general zlib compression errors
 *
 */


class compress_error: public general_error
{
	public:
		/*!
		 * \brief ostreambuf that caused the exception 
		 *
		 * */
		xstream::z::ostreambuf* stream;
		compress_error(
				xstream::z::ostreambuf* p,
				const std::string& w
			)
			:general_error(w),stream(p)
			{};

		compress_error(xstream::z::ostreambuf* p)
			:general_error(),stream(p)
			{};

		virtual std::string module() const
		{
			return (general_error::module()+"::compress");
		}
};


/*!
 * \brief general zlib decompression errors
 *
 */

class decompress_error: public general_error {
	public:
		/*!
		 * \brief istreambuf that caused the exception 
		 *
		 * */
		xstream::z::istreambuf* stream;
		decompress_error(
				xstream::z::istreambuf* p,
				const std::string& w
			)
			:general_error(w),stream(p){};

		decompress_error(xstream::z::istreambuf* p)
			:general_error(),stream(p){};

		virtual std::string module() const{
			return (general_error::module()+"::decompress");
		}
};

}//namespace z
}//namespace xstream

#endif