xb.h

个人日程管理系统

/* -*-Mode:C; tab-width:4; indent-tabs-mode:t; c-file-style:"bsd";-*- */
// $Id: xb.h,v 1.1 2001/12/02 16:27:08 burgbach Exp $

#ifndef __XB_H__
#define __XB_H__

#include "progect.h"

enum {
	Extra_NULL = 0,    // sentinel for block tail, must be subkey is zero.
	Extra_Description, // currently not used.
	Extra_Note,        // currently not used.

	Extra_Link_ToDo = 20,
	Extra_Link_LinkMaster,

	Extra_Icon = 50,
	Extra_Numeric,     // for numeric type
};

// OLD WARNING (until 0.22)
//  This structer could not contain field large than 8bit.
//  becouse in task record. this structer stay on not even(word aligned) addr.
//  in this case motrola m68k serieas CPU gots bus-error.
//
// FROM 0.23 : This is not true anymore, synce this struct is now stored in
// the first part of a task, at an even address.
typedef struct {
	UInt8 type;
	UInt8 subkey;	// subkey for same type chunks. 0xff is reserved.
					// if not use, must be set zero.
	UInt8 reserve1; //
	UInt8 size;		// not contain head size. please care word alignment.

	UInt8 body[0];  // data body. next chunk head exists at (body + size)
} ExtraChunkHeadType;
#define NextChunk(p) ((ExtraChunkHeadType*)((p)->body + (p)->size))

// get the address of the TaskStandardFields struct
#define StdFields(p) ( \
	(p->format.bits.hasXB) ? \
		( \
			(TaskStandardFields*) \
				(p->fields.XB.data + p->fields.XB.size) \
		) \
	: \
		&p->fields.task \
	)

// get the offset of the TaskStandardFields struct in p
#define StdFieldsOffset(p) (UInt16)( \
	( \
		(p->format.bits.hasXB) ? \
				( \
					(UInt8*)p->fields.XB.data + p->fields.XB.size \
				) \
	: \
		(UInt8*)(&p->fields.task) \
	) - (UInt8*)p )

pgErr    TaskSetExtraBlock(DmOpenRef dbP, UInt16 index, MemPtr s, UInt16 size)
	TASKSECT;
UInt16   TaskGetExtraBlock(DmOpenRef dbP, UInt16 index, MemPtr dest)
	TASKSECT;
UInt16   TaskGetExtraBlockV022(DmOpenRef dbP, UInt16 index, MemPtr dest)
	TASKSECT;
pgErr    TaskCopyExtraBlock(DmOpenRef dbP, UInt16 source, UInt16 dest)
	TASKSECT;
pgErr    TaskGetExtraChunkV022(DmOpenRef dbP, UInt16 index,
                           UInt8 type, UInt8 subkey,
                           MemPtr dest, UInt16* size/*in bytes*/)
	TASKSECT;
pgErr    TaskGetExtraChunkByTaskPtrV022(TaskExtendedRecordType* pTask,
									UInt8 type, UInt8 subkey,
									MemPtr dest, UInt16* size/*in bytes*/)
	TASKSECT;
pgErr    TaskGetExtraChunk(DmOpenRef dbP, UInt16 index,
                           UInt8 type, UInt8 subkey,
                           MemPtr dest, UInt16* size/*in bytes*/)
	TASKSECT;
pgErr    TaskGetExtraChunkByTaskPtr(TaskExtendedRecordType* pTask,
									UInt8 type, UInt8 subkey,
									MemPtr dest, UInt16* size/*in bytes*/)
	TASKSECT;
void     TaskRemoveExtraChunk(DmOpenRef dbP, UInt16 index,
                              UInt8 type, UInt8 subkey)
	TASKSECT;
pgErr    TaskSetExtraChunk(DmOpenRef dbP, UInt16 index,
                           UInt8 type, UInt8 subkey,
                           MemPtr src, UInt16 size)
	TASKSECT;

#endif