forked from github/server
85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
/*
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Copyright (c) 1998-2015, Enno Rehling <enno@eressea.de>
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Katja Zedel <katze@felidae.kn-bremen.de
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Christian Schlittchen <corwin@amber.kn-bremen.de>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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**/
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#ifndef EVENT_H
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#define EVENT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "variant.h"
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struct attrib;
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struct trigger;
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struct storage;
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struct gamedata;
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typedef struct trigger_type {
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const char *name;
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void(*initialize) (struct trigger *);
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void(*finalize) (struct trigger *);
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int(*handle) (struct trigger *, void *);
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void(*write) (const struct trigger *, struct storage * store);
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int(*read) (struct trigger *, struct gamedata * store);
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struct trigger_type *next;
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} trigger_type;
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trigger_type *tt_find(const char *name);
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void tt_register(trigger_type * ttype);
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typedef struct trigger {
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struct trigger_type *type;
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struct trigger *next;
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variant data;
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} trigger;
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typedef struct event_arg {
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const char *type;
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variant data;
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} event_arg;
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trigger *t_new(trigger_type * ttype);
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void t_free(trigger * t);
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void t_add(trigger ** tlist, trigger * t);
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/** add and handle triggers **/
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/* add a trigger to a list of attributes */
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void add_trigger(struct attrib **ap, const char *eventname,
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struct trigger *t);
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void remove_triggers(struct attrib **ap, const char *eventname,
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const trigger_type * tt);
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struct trigger **get_triggers(struct attrib *ap,
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const char *eventname);
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/* calls handle() for each of these. e.g. used in timeout */
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void handle_event(struct attrib *attribs, const char *eventname,
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void *data);
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/* functions for making complex triggers: */
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void free_triggers(trigger * triggers); /* release all these triggers */
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void write_triggers(struct storage *store, const trigger * t);
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int read_triggers(struct gamedata *data, trigger ** tp);
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int handle_triggers(trigger ** triggers, void *data);
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extern struct attrib_type at_eventhandler;
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#ifdef __cplusplus
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}
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#endif
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#endif
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