quakeforge/include/QF/gib.h

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/*
#FILENAME#
#DESCRIPTION#
Copyright (C) 2003 #AUTHOR#
Author: #AUTHOR#
Date: #DATE#
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifndef __gib_h
#define __gib_h
// Dependencies
#include "QF/dstring.h"
#include "QF/cbuf.h"
#include "QF/hash.h"
#include "QF/llist.h"
// Object interface
typedef void (*gib_reply_handler) (int argc, const char **argv, void *data);
typedef struct gib_signal_s {
const char *name;
struct gib_object_s *receiver;
struct gib_slot_s *slot;
} gib_signal_t;
typedef struct gib_slot_s {
const char *mesg;
struct gib_object_s *sender;
struct gib_signal_s *signal;
} gib_slot_t;
typedef struct gib_object_s {
struct gib_class_s *class;
hashtab_t *methods;
void **data;
unsigned long int handle, refs;
hashtab_t *signals, *vars;
llist_t *slots;
const char *handstr;
} gib_object_t;
typedef struct gib_message_s {
int argc;
const char **argv;
gib_reply_handler reply;
void *replydata;
} gib_message_t;
typedef struct gib_method_s {
const char *name;
int (*func) (struct gib_object_s *obj, struct gib_method_s *method,
void *data, gib_object_t *sender, gib_message_t message);
struct gib_method_s *parent;
struct gib_class_s *class;
void *data;
} gib_method_t;
typedef int (*gib_message_handler) (gib_object_t *obj, gib_method_t *method,
void *data, gib_object_t *sender, gib_message_t message);
typedef void * (*gib_obj_constructor) (gib_object_t *obj);
typedef void (*gib_obj_destructor) (void *data);
typedef struct gib_class_s {
const char *name;
hashtab_t *methods, *class_methods;
gib_obj_constructor construct, class_construct;
gib_obj_destructor destruct;
unsigned int depth;
struct gib_object_s *classobj;
struct gib_class_s *parent;
llist_t *children;
} gib_class_t;
typedef struct gib_methodtab_s {
const char *name;
gib_message_handler func;
void *data;
} gib_methodtab_t;
typedef struct gib_classdesc_s {
const char *name;
const char *parentname;
gib_obj_constructor construct, class_construct;
gib_obj_destructor destruct;
struct gib_methodtab_s *methods, *class_methods;
} gib_classdesc_t;
#define GIB_ForwardToSuper(mesg,obj,method) ((method)->parent->func ((obj), \
(method)->parent, \
(obj)->data[(method)->parent->class->depth], \
(obj), (mesg)))
void GIB_Class_Create (gib_classdesc_t *desc);
gib_object_t *GIB_Object_Create (const char *classname, qboolean classobj);
void GIB_Object_Destroy (gib_object_t *obj);
void GIB_Object_Incref (gib_object_t *obj);
void GIB_Object_Decref (gib_object_t *obj);
int GIB_Send (gib_object_t *obj, gib_object_t *sender, int argc, const char **argv, gib_reply_handler reply, void *replydata);
int GIB_SendToMethod (gib_object_t *obj, gib_method_t *method, gib_object_t
*sender, int argc, const char **argv, gib_reply_handler reply,
void *replydata);
void GIB_Reply (gib_object_t *obj, gib_message_t mesg, int argc, const char
**argv);
gib_object_t *GIB_Object_Get (const char *id);
void GIB_Object_Signal_Slot_Pair (gib_object_t *sender, const char *signal,
gib_object_t *receiver, const char *slot);
void GIB_Object_Signal_Slot_Destroy (gib_object_t *sender, const char *signal,
gib_object_t *receiver, const char *slot);
void GIB_Object_Signal_Emit (gib_object_t *sender, int argc, const char
**argv);
void GIB_Object_Init (void);
// Buffer access (required to use GIB_Arg* macros)
#define GIB_DATA(buffer) ((gib_buffer_data_t *)(buffer->data))
typedef struct gib_script_s {
const char *text, *file;
unsigned int refs;
} gib_script_t;
typedef struct gib_buffer_data_s {
struct gib_script_s *script;
struct gib_tree_s *program, *ip;
struct dstring_s *arg_composite;
qboolean waitret;
struct gib_sstack_s {
struct gib_dsarray_s {
struct dstring_s **dstrs;
unsigned int realsize, size;
} *values;
unsigned int size, p;
} stack;
struct {
struct gib_object_s *obj;
struct gib_method_s *method;
struct gib_message_s mesg;
} reply;
struct hashtab_s *locals; // Local variables
struct hashtab_s *globals; // Current domain
void (*dnotify) (cbuf_t *cbuf, void *data);
void *ddata;
} gib_buffer_data_t;
// Builtin function interface
extern char gib_null_string[];
#define GIB_Argc() (cbuf_active->args->argc)
#define GIB_Argv(x) ((x) < cbuf_active->args->argc ? cbuf_active->args->argv[(x)]->str : gib_null_string)
#define GIB_Args(x) ((x) < cbuf_active->args->argc ? cbuf_active->args->args[(x)] : gib_null_string)
#define GIB_Argd(x) ((x) < cbuf_active->args->argc ? cbuf_active->args->argv[(x)] : NULL)
#define GIB_Argm(x) ((x) < cbuf_active->args->argc ? (gib_tree_t *)cbuf_active->args->argm[(x)] : NULL)
#define GIB_USAGE(x) (GIB_Error ("SyntaxError", "%s: invalid syntax\nusage: %s %s", GIB_Argv(0), GIB_Argv(0), (x)))
#define GIB_CanReturn() (GIB_DATA(cbuf_active)->waitret)
dstring_t *GIB_Return (const char *str);
void GIB_Error (const char *type, const char *fmt, ...);
void GIB_Builtin_Add (const char *name, void (*func) (void));
void GIB_Builtin_Remove (const char *name);
qboolean GIB_Builtin_Exists (const char *name);
// Event interface
typedef struct gib_event_s {
const char *name;
struct gib_function_s *func;
} gib_event_t;
gib_event_t *GIB_Event_New (const char *name);
void GIB_Event_Callback (gib_event_t *event, unsigned int argc, ...);
// Interpreter interface (for creating GIB cbufs)
cbuf_interpreter_t *GIB_Interpreter (void);
// Thread interface
void GIB_Thread_Execute (void);
unsigned int GIB_Thread_Count (void);
// Init interface
void GIB_Init (qboolean sandbox);
// Handle interface
unsigned long int GIB_Handle_New (gib_object_t *data);
void GIB_Handle_Free (unsigned long int num);
gib_object_t *GIB_Handle_Get (unsigned long int num);
#endif