#ifndef LIBRARIES_AMIGAGUIDE_H
#define LIBRARIES_AMIGAGUIDE_H
/* amigaguide.h
 * structures needed for the amigaguide.library system
 * written by David N. Junod
 *
 * $Id
 *
 * $Log
 *
 */
#ifndef EXEC_TYPES_H
#include <exec/types.h>
#endif /* EXEC_TYPES_H */

#ifndef EXEC_LISTS_H
#include <exec/lists.h>
#endif /* EXEC_LISTS_H */

#ifndef EXEC_NODES_H
#include <exec/nodes.h>
#endif /* EXEC_NODES_H */

#ifndef EXEC_SEMAPHORES_H
#include <exec/semaphores.h>
#endif

#ifndef INTUITION_INTUITION_H
#include <intuition/intuition.h>
#endif

#ifndef INTUITION_SCREENS_H
#include <intuition/screens.h>
#endif

#ifndef LIBRARIES_DOS_H
#include <libraries/dos.h>
#endif

#ifndef UTILITY_TAGITEM_H
#include <utility/tagitem.h>
#endif

#ifndef MEMORY_FOLLOWING
/* Usually allocate one large block of memory for a group of items and then
 * divy out to the appropriate pointers.  Use with caution---must be
 * consistent with field types! */
#define MEMORY_FOLLOWING(ptr) ((void *)((ptr)+1))
#define MEMORY_N_FOLLOWING(ptr,n)  ((void *)( ((ULONG)ptr) + n ))
#endif

#ifndef V
/* Used to cast an pointer to a void pointer */
#define V(x) ((VOID *)x)
#endif

#ifndef	ALTED
#define	ALTED	(IEQUALIFIER_RALT | IEQUALIFIER_LALT)
#endif

#ifndef SHIFTED
#define	SHIFTED	(IEQUALIFIER_RSHIFT | IEQUALIFIER_LSHIFT)
#endif

#ifndef APSH_TOOL_ID
#define	APSH_TOOL_ID 11000L
#define	StartupMsgID	(APSH_TOOL_ID+1L)	/* Startup message */
#define	LoginToolID	(APSH_TOOL_ID+2L)	/* Login a tool SIPC port */
#define	LogoutToolID	(APSH_TOOL_ID+3L)	/* Logout a tool SIPC port */
#define	ShutdownMsgID	(APSH_TOOL_ID+4L)	/* Shutdown message */
#define	ActivateToolID	(APSH_TOOL_ID+5L)	/* Activate tool */
#define	DeactivateToolID (APSH_TOOL_ID+6L)	/* Deactivate tool */
#define	ActiveToolID	(APSH_TOOL_ID+7L)	/* Tool Active */
#define	InactiveToolID	(APSH_TOOL_ID+8L)	/* Tool Inactive */
#define	ToolStatusID	(APSH_TOOL_ID+9L)	/* Status message */
#define	ToolCmdID	(APSH_TOOL_ID+10L)	/* Tool command message */
#define	ToolCmdReplyID	(APSH_TOOL_ID+11L)	/* Reply to tool command */
#define	ShutdownToolID	(APSH_TOOL_ID+12L)	/* Shutdown tool */
#endif

/* Attributes accepted by GetAmigaGuideAttr() */
#define	AGA_Dummy	(TAG_USER)
#define	AGA_Path	(AGA_Dummy + 1)
#define	AGA_XRefList	(AGA_Dummy + 2)
#define	AGA_Activate	(AGA_Dummy + 3)

#ifndef	AMIGAGUIDECONTEXT
typedef void *AMIGAGUIDECONTEXT;
#endif

struct AmigaGuideMsg
{
    struct Message agm_Msg;			/* Embedded Exec message structure */
    ULONG agm_Type;				/* Type of message */
    APTR agm_Data;				/* Pointer to message data */
    ULONG agm_DSize;				/* Size of message data */
    ULONG agm_DType;				/* Type of message data */
    ULONG agm_Pri_Ret;				/* Primary return value */
    ULONG agm_Sec_Ret;				/* Secondary return value */
    APTR agm_System1;
    APTR agm_System2;
};

/* Allocation description structure */
struct NewAmigaGuide
{
    BPTR nag_Lock;				/* Lock on the document directory */
    STRPTR nag_Name;				/* Name of document file */
    struct Screen *nag_Screen;			/* Screen to place windows within */
    STRPTR nag_PubScreen;			/* Public screen name to open on */
    STRPTR nag_HostPort;			/* Application's ARexx port name */
    STRPTR nag_ClientPort;			/* Name to assign to the clients ARexx port */
    STRPTR nag_BaseName;			/* Base name of the application */
    ULONG nag_Flags;				/* Flags */
    STRPTR *nag_Context;			/* NULL terminated context table */
    STRPTR nag_Node;				/* Node to align on first (defaults to Main) */
    LONG nag_Line;				/* Line to align on */
    struct TagItem *nag_Extens;			/* Tag array extension */
    VOID *nag_Client;				/* Private! MUST be NULL */
};

/* public Client flags */
#define	HTF_LOAD_INDEX	(1L<<0)			/* Force load the index at init time */
#define	HTF_LOAD_ALL	(1L<<1)			/* Force load the entire database at init */
#define	HTF_CACHE_NODE	(1L<<2)			/* Cache each node as visited */
#define	HTF_CACHE_DB	(1L<<3)			/* Keep the buffers around until expunge */
#define	HTF_UNIQUE	(1L<<15)		/* Unique ARexx port name */
#define	HTF_NOACTIVATE	(1L<<16)		/* Don't activate window */

#define	HTFC_SYSGADS	0x80000000

/* Callback function ID's */
#define	HTH_OPEN	0
#define	HTH_CLOSE	1

#define	HTERR_NOT_ENOUGH_MEMORY		100L
#define	HTERR_CANT_OPEN_DATABASE	101L
#define	HTERR_CANT_FIND_NODE		102L
#define	HTERR_CANT_OPEN_NODE		103L
#define	HTERR_CANT_OPEN_WINDOW		104L
#define	HTERR_INVALID_COMMAND		105L
#define	HTERR_CANT_COMPLETE		106L
#define	HTERR_PORT_CLOSED		107L
#define	HTERR_CANT_CREATE_PORT		108L
#define	HTERR_KEYWORD_NOT_FOUND		113L

#ifndef	AMIGAGUIDEHOST
typedef struct AmigaGuideHost *AMIGAGUIDEHOST;
#endif

/* Cross reference node */
struct XRef
{
    struct Node xr_Node;	/* Embedded node */
    UWORD xr_Pad;		/* Padding */
    struct DocFile *xr_DF;	/* Document defined in */
    STRPTR xr_File;		/* Name of document file */
    STRPTR xr_Name;		/* Name of item */
    LONG xr_Line;		/* Line defined at */
};

#define	XRSIZE	(sizeof (struct XRef))

/* Types of cross reference nodes */
#define	XR_GENERIC	0
#define	XR_FUNCTION	1
#define	XR_COMMAND	2
#define	XR_INCLUDE	3
#define	XR_MACRO	4
#define	XR_STRUCT	5
#define	XR_FIELD	6
#define	XR_TYPEDEF	7
#define	XR_DEFINE	8

/* Callback handle */
struct AmigaGuideHost
{
    struct Hook agh_Dispatcher;		/* Dispatcher */
    ULONG agh_Reserved;			/* Must be 0 */
    ULONG agh_Flags;
    ULONG agh_UseCnt;			/* Number of open nodes */
    APTR agh_SystemData;			/* Reserved for system use */
    APTR agh_UserData;			/* Anything you want... */
};

/* Methods */
#define	HM_FindNode	1
#define	HM_OpenNode	2
#define	HM_CloseNode	3
#define	HM_Expunge	10		/* Expunge DataBase */

#ifndef Msg
typedef struct
{
    ULONG MethodID;
} *Msg;
#endif

/* HM_FindNode */
struct opFindHost
{
    ULONG MethodID;
    struct TagItem *ofh_Attrs;		/*  R: Additional attributes */
    STRPTR ofh_Node;			/*  R: Name of node */
    STRPTR ofh_TOC;			/*  W: Table of Contents */
    STRPTR ofh_Title;			/*  W: Title to give to the node */
    STRPTR ofh_Next;			/*  W: Next node to browse to */
    STRPTR ofh_Prev;			/*  W: Previous node to browse to */
};

/* HM_OpenNode, HM_CloseNode */
struct opNodeIO
{
    ULONG MethodID;
    struct TagItem *onm_Attrs;		/*  R: Additional attributes */
    STRPTR onm_Node;			/*  R: Node name and arguments */
    STRPTR onm_FileName;		/*  W: File name buffer */
    STRPTR onm_DocBuffer;		/*  W: Node buffer */
    ULONG onm_BuffLen;			/*  W: Size of buffer */
    ULONG onm_Flags;			/* RW: Control flags */
};

/* onm_Flags */
#define	HTNF_KEEP	(1L<<0)	/* Don't flush this node until database is
				 * closed. */
#define	HTNF_Reserved1	(1L<<1)	/* Reserved for system use */
#define	HTNF_Reserved2	(1L<<2)	/* Reserved for system use */
#define	HTNF_ASCII	(1L<<3)	/* Node is straight ASCII */
#define	HTNF_Reserved3	(1L<<4)	/* Reserved for system use */
#define	HTNF_CLEAN	(1L<<5)	/* Remove the node from the database */
#define	HTNF_DONE	(1L<<6)	/* Done with node */

/* onm_Attrs */
#define	HTNA_Screen	(TAG_USER + 1)	/* Screen that window resides in */
#define	HTNA_Pens	(TAG_USER + 2)	/* Pen array (from DrawInfo) */
#define	HTNA_Rectangle	(TAG_USER + 3)	/* Window box */


/* HM_Expunge */
struct opExpungeNode
{
    ULONG MethodID;
    struct TagItem *oen_Attrs;		/*  R: Additional attributes */
};

#endif /* LIBRARIES_AMIGAGUIDE_H */