// $Id: binpac.h,v 1.1.4.2 2006/06/02 15:13:13 rpang Exp $
// Do not edit binpac.h, edit binpac.h.in instead!

#ifndef binpac_h
#define binpac_h

#include <sys/param.h>

#cmakedefine HOST_BIGENDIAN
#ifdef HOST_BIGENDIAN
#  define HOST_BYTEORDER	bigendian
#else
#  define HOST_BYTEORDER	littleendian
#endif

#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <string>
#include <memory>

#define BINPAC_ASSERT(x)	assert(x)

using namespace std;

namespace binpac {

const int bigendian = 0;
const int littleendian = 1;
const int unspecified_byteorder = -1;

#ifndef pac_type_defs
#define pac_type_defs

typedef char 		int8;
typedef short 		int16;
typedef long 		int32;
typedef long long	int64;
typedef unsigned char 		uint8;
typedef unsigned short 		uint16;
typedef unsigned int		uint32;
typedef unsigned long long	uint64;
typedef void		*nulptr;
typedef void		*voidptr;
typedef uint8		*byteptr;
typedef const uint8	*const_byteptr;
typedef const char	*const_charptr;

#if @SIZEOF_UNSIGNED_INT@ != 4
#error "unexpected size of unsigned int"
#endif

#endif /* pac_type_defs */

/* Handling byte order */

namespace {

inline int16 pac_swap(int16 x)
	{
	return (x >> 8) | ((x & 0xff) << 8);
	}

inline uint16 pac_swap(uint16 x)
	{
	return (x >> 8) | ((x & 0xff) << 8);
	}

inline int32 pac_swap(int32 x)
	{
	return 	(x >> 24) | 
		((x & 0xff0000) >> 8) | 
		((x & 0xff00) << 8) | 
		((x & 0xff) << 24);
	}

inline uint32 pac_swap(uint32 x)
	{
	return 	(x >> 24) | 
		((x & 0xff0000) >> 8) | 
		((x & 0xff00) << 8) | 
		((x & 0xff) << 24);
	}

inline int64 pac_swap(int64 x)
	{
	return 	(x >> 56) | 
		((x & 0xff000000000000) >> 40) | 
		((x & 0xff0000000000) >> 24) | 
		((x & 0xff00000000) >> 8) | 
		((x & 0xff000000) << 8) | 
		((x & 0xff0000) << 24) | 
		((x & 0xff00) << 40) | 
		((x & 0xff) << 56);
	}

inline uint64 pac_swap(uint64 x)
	{
	return 	(x >> 56) | 
		((x & 0xff000000000000) >> 40) | 
		((x & 0xff0000000000) >> 24) | 
		((x & 0xff00000000) >> 8) | 
		((x & 0xff000000) << 8) | 
		((x & 0xff0000) << 24) | 
		((x & 0xff00) << 40) | 
		((x & 0xff) << 56);
	}


#define FixByteOrder(byteorder, x)	(byteorder == HOST_BYTEORDER ? (x) : pac_swap(x))

template <class T>
inline T UnMarshall(const u_char *data, int byteorder)
	{
	T result = 0;
	for ( int i = 0; i < (int) sizeof(T); ++i )
		result = ( result << 8 ) | 
			data[byteorder == bigendian ? i : sizeof(T) - 1 - i];
	return result;
	}

inline const char* do_fmt(const char* format, va_list ap)
	{
	static char buf[1024];
	vsnprintf(buf, sizeof(buf), format, ap);
	return buf;
	}

inline string strfmt(const char* format, ...)
	{
	va_list ap;
	va_start(ap, format);
	const char* r = do_fmt(format, ap);
	va_end(ap);
	return string(r);
	}

} // anonymous namespace

#define binpac_fmt(x...) strfmt(x).c_str()

class RefCount
{
public:
	RefCount() 	{ count = 1; }
	void Ref() 	{ ++count; }
	int Unref() 	{ BINPAC_ASSERT(count > 0); return --count; }

private:
	int count;
};

namespace {
	inline void Unref(RefCount *x)
		{
		if ( x && x->Unref() <= 0 )
			delete x;
		}
}  // anonymous namespace

} // namespace binpac

#include "binpac_analyzer.h"
#include "binpac_buffer.h"
#include "binpac_bytestring.h"
#include "binpac_exception.h"
#include "binpac_regex.h"

#endif /* binpac_h */