/[zanavi_public1]/navit/navit/callback.h
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1 zoff99 2 /**
2     * Navit, a modular navigation system.
3     * Copyright (C) 2005-2008 Navit Team
4     *
5     * This program is free software; you can redistribute it and/or
6     * modify it under the terms of the GNU Library General Public License
7     * version 2 as published by the Free Software Foundation.
8     *
9     * This program is distributed in the hope that it will be useful,
10     * but WITHOUT ANY WARRANTY; without even the implied warranty of
11     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12     * GNU Library General Public License for more details.
13     *
14     * You should have received a copy of the GNU Library General Public
15     * License along with this program; if not, write to the
16     * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17     * Boston, MA 02110-1301, USA.
18     */
19    
20     #ifndef NAVIT_CALLBACK_H
21     #define NAVIT_CALLBACK_H
22    
23     #include "item.h"
24     #include "attr.h"
25    
26     #ifdef __cplusplus
27     extern "C" {
28     #endif
29     /* prototypes */
30     enum attr_type;
31     struct callback;
32     struct callback_list;
33     struct callback_list *callback_list_new(void);
34     struct callback *callback_new_attr(void (*func)(void), enum attr_type type, int pcount, void **p);
35     struct callback *callback_new_attr_args(void (*func)(void), enum attr_type type, int count, ...);
36     struct callback *callback_new(void (*func)(void), int pcount, void **p);
37     struct callback *callback_new_args(void (*func)(void), int count, ...);
38     void callback_destroy(struct callback *cb);
39     void callback_set_arg(struct callback *cb, int arg, void *p);
40     void callback_list_add(struct callback_list *l, struct callback *cb);
41     struct callback *callback_list_add_new(struct callback_list *l, void (*func)(void), int pcount, void **p);
42     void callback_list_remove(struct callback_list *l, struct callback *cb);
43     void callback_list_remove_destroy(struct callback_list *l, struct callback *cb);
44     void callback_call(struct callback *cb, int pcount, void **p);
45     void callback_call_args(struct callback *cb, int count, ...);
46     void callback_list_call_attr(struct callback_list *l, enum attr_type type, int pcount, void **p);
47     void callback_list_call_attr_args(struct callback_list *cbl, enum attr_type type, int count, ...);
48     void callback_list_call(struct callback_list *l, int pcount, void **p);
49     void callback_list_call_args(struct callback_list *cbl, int count, ...);
50     void callback_list_destroy(struct callback_list *l);
51     /* end of prototypes */
52    
53     #define callback_new_0(func) callback_new_args(func, 0)
54     #define callback_new_1(func,p1) callback_new_args(func, 1, p1)
55     #define callback_new_2(func,p1,p2) callback_new_args(func, 2, p1, p2)
56     #define callback_new_3(func,p1,p2,p3) callback_new_args(func, 3, p1, p2, p3)
57     #define callback_new_4(func,p1,p2,p3,p4) callback_new_args(func, 4, p1, p2, p3, p4)
58    
59     #define callback_new_attr_0(func,type) callback_new_attr_args(func, type, 0)
60     #define callback_new_attr_1(func,type,p1) callback_new_attr_args(func, type, 1, p1)
61     #define callback_new_attr_2(func,type,p1,p2) callback_new_attr_args(func, type, 2, p1, p2)
62     #define callback_new_attr_3(func,type,p1,p2,p3) callback_new_attr_args(func, type, 3, p1, p2, p3)
63     #define callback_new_attr_4(func,type,p1,p2,p3,p4) callback_new_attr_args(func, type, 4, p1, p2, p3, p4)
64    
65     #define callback_call_0(cb) callback_call_args(cb, 0)
66     #define callback_call_1(cb,p1) callback_call_args(cb, 1, p1)
67     #define callback_call_2(cb,p1,p2) callback_call_args(cb, 2, p1, p2)
68     #define callback_call_3(cb,p1,p2,p3) callback_call_args(cb, 3, p1, p2, p3)
69     #define callback_call_4(cb,p1,p2,p3,p4) callback_call_args(cb, 4, p1, p2, p3, p4)
70    
71     #define callback_list_call_0(cbl) callback_list_call_args(cbl, 0)
72     #define callback_list_call_1(cbl,p1) callback_list_call_args(cbl, 1, p1)
73     #define callback_list_call_2(cbl,p1,p2) callback_list_call_args(cbl, 2, p1, p2)
74     #define callback_list_call_3(cbl,p1,p2,p3) callback_list_call_args(cbl, 3, p1, p2, p3)
75     #define callback_list_call_4(cbl,p1,p2,p3,p4) callback_list_call_args(cbl, 4, p1, p2, p3, p4)
76    
77     #define callback_list_call_attr_0(cbl,type) callback_list_call_attr_args(cbl,type, 0)
78     #define callback_list_call_attr_1(cbl,type,p1) callback_list_call_attr_args(cbl, type, 1, p1)
79     #define callback_list_call_attr_2(cbl,type,p1,p2) callback_list_call_attr_args(cbl, type, 2, p1, p2)
80     #define callback_list_call_attr_3(cbl,type,p1,p2,p3) callback_list_call_attr_args(cbl, type, 3, p1, p2, p3)
81     #define callback_list_call_attr_4(cbl,type,p1,p2,p3,p4) callback_list_call_attr_args(cbl, type, 4, p1, p2, p3, p4)
82    
83     #define callback_cast(x) (void (*)(void))(x)
84     #ifdef __cplusplus
85     }
86     #endif
87    
88     #endif
89    

   
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