mirror of https://github.com/GNOME/gimp.git
143 lines
4.4 KiB
C
143 lines
4.4 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __PROCEDURAL_DB_H__
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#define __PROCEDURAL_DB_H__
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struct _Argument
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{
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PDBArgType arg_type; /* argument type */
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union _ArgValue
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{
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gint32 pdb_int; /* Integer type */
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gdouble pdb_float; /* Floating point type */
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gpointer pdb_pointer; /* Pointer type */
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GimpRGB pdb_color; /* Color type */
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} value;
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};
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/* Argument marshalling procedures */
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typedef Argument * (* ArgMarshal) (Argument *);
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/* Execution types */
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typedef struct _IntExec IntExec;
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typedef struct _PlugInExec PlugInExec;
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typedef struct _ExtExec ExtExec;
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typedef struct _TempExec TempExec;
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typedef struct _NetExec NetExec;
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struct _IntExec
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{
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ArgMarshal marshal_func; /* Function called to marshal arguments */
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};
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struct _PlugInExec
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{
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gchar *filename; /* Where is the executable on disk? */
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};
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struct _ExtExec
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{
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gchar *filename; /* Where is the executable on disk? */
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};
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struct _TempExec
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{
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void *plug_in; /* Plug-in that registered this temp proc */
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};
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struct _NetExec
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{
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gchar *host; /* Host responsible for procedure execution */
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gint32 port; /* Port on host to send data to */
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};
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/* Structure for a procedure argument */
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struct _ProcArg
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{
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PDBArgType arg_type; /* Argument type (int, char, char *, etc) */
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gchar *name; /* Argument name */
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gchar *description; /* Argument description */
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};
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/* Structure for a procedure */
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struct _ProcRecord
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{
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/* Procedure information */
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gchar *name; /* Procedure name */
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gchar *blurb; /* Short procedure description */
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gchar *help; /* Detailed help instructions */
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gchar *author; /* Author field */
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gchar *copyright; /* Copyright field */
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gchar *date; /* Date field */
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/* Procedure type */
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PDBProcType proc_type; /* Type of procedure--Internal, Plug-In, Extension */
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/* Input arguments */
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gint32 num_args; /* Number of procedure arguments */
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ProcArg *args; /* Array of procedure arguments */
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/* Output values */
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gint32 num_values; /* Number of return values */
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ProcArg *values; /* Array of return values */
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/* Method of procedure execution */
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union _ExecMethod
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{
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IntExec internal; /* Execution information for internal procs */
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PlugInExec plug_in; /* ..................... for plug-ins */
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ExtExec extension; /* ..................... for extensions */
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TempExec temporary; /* ..................... for temp procs */
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} exec_method;
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};
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/* Variables */
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extern GHashTable *procedural_ht;
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/* Functions */
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void procedural_db_init (void);
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void procedural_db_free (void);
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void procedural_db_register (ProcRecord *procedure);
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void procedural_db_unregister (gchar *name);
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ProcRecord * procedural_db_lookup (gchar *name);
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Argument * procedural_db_execute (gchar *name,
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Argument *args);
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Argument * procedural_db_run_proc (gchar *name,
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gint *nreturn_vals,
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...);
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Argument * procedural_db_return_args (ProcRecord *procedure,
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gboolean success);
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void procedural_db_destroy_args (Argument *args,
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gint nargs);
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/* "type" should really be a PDBArgType, but we can cope with
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* out-of-range values.
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*/
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const gchar * pdb_type_name (gint type); /* really exists in _cmds.c file */
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#endif /* __PROCEDURAL_DB_H__ */
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