1%{
2/*-
3 * APM (Advanced Power Management) Event Dispatcher
4 *
5 * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
6 * Copyright (c) 1999 KOIE Hidetaka <koie@suri.co.jp>
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 */
32
33#include <stdio.h>
34#include <bitstring.h>
35#include <stdlib.h>
36#include <string.h>
37#include "apmd.h"
38
39#ifdef DEBUG
40#define YYDEBUG 1
41#endif
42
43extern int first_time;
44
45%}
46
47%union {
48	char *str;
49	bitstr_t bit_decl(evlist, EVENT_MAX);
50	int ev;
51	struct event_cmd * evcmd;
52	int i;
53}
54
55%token BEGINBLOCK ENDBLOCK
56%token COMMA SEMICOLON
57%token APMEVENT
58%token APMBATT
59%token BATTCHARGE BATTDISCHARGE
60%token <i> BATTTIME BATTPERCENT
61%token EXECCMD REJECTCMD
62%token <ev> EVENT
63%token <str> STRING UNKNOWN
64
65%type <i> apm_battery_level
66%type <i> apm_battery_direction
67%type <str> string
68%type <str> unknown
69%type <evlist> event_list
70%type <evcmd> cmd_list
71%type <evcmd> cmd
72%type <evcmd> exec_cmd reject_cmd
73
74%%
75
76config_file
77	: { first_time = 1; } config_list
78	;
79
80config_list
81	: config
82	| config_list config
83	;
84
85config
86	: apm_event_statement
87	| apm_battery_statement
88	;
89
90apm_event_statement
91	: APMEVENT event_list BEGINBLOCK cmd_list ENDBLOCK
92		{
93			if (register_apm_event_handlers($2, $4) < 0)
94				abort(); /* XXX */
95			free_event_cmd_list($4);
96		}
97	;
98
99apm_battery_level
100	: BATTPERCENT
101		{
102			$$ = $1;
103		}
104	| BATTTIME
105		{
106			$$ = $1;
107		}
108	;
109
110apm_battery_direction
111	: BATTCHARGE
112		{
113			$$ = 1;
114		}
115	| BATTDISCHARGE
116		{
117			$$ = -1;
118		}
119	;
120apm_battery_statement
121	: APMBATT apm_battery_level apm_battery_direction
122		BEGINBLOCK cmd_list ENDBLOCK
123		{
124			if (register_battery_handlers($2, $3, $5) < 0)
125				abort(); /* XXX */
126			free_event_cmd_list($5);
127		}
128	;
129
130event_list
131	: EVENT
132		{
133			bit_nclear($$, 0, EVENT_MAX - 1);
134			bit_set($$, $1);
135		}
136	| event_list COMMA EVENT
137		{
138			memcpy(&($$), &($1), bitstr_size(EVENT_MAX));
139			bit_set($$, $3);
140		}
141	;
142
143cmd_list
144	: /* empty */
145		{
146			$$  = NULL;
147		}
148	| cmd_list cmd
149		{
150			struct event_cmd * p = $1;
151			if (p) {
152				while (p->next != NULL)
153					p = p->next;
154				p->next = $2;
155				$$ = $1;
156			} else {
157				$$ = $2;
158			}
159		}
160	;
161
162cmd
163	: exec_cmd SEMICOLON	{ $$ = $1; }
164	| reject_cmd SEMICOLON	{ $$ = $1; }
165	;
166
167exec_cmd
168	: EXECCMD string
169		{
170			size_t len = sizeof (struct event_cmd_exec);
171			struct event_cmd_exec *cmd = malloc(len);
172			cmd->evcmd.next = NULL;
173			cmd->evcmd.len = len;
174			cmd->evcmd.name = "exec";
175			cmd->evcmd.op = &event_cmd_exec_ops;
176			cmd->line = $2;
177			$$ = (struct event_cmd *) cmd;
178		}
179	;
180
181reject_cmd
182	: REJECTCMD
183		{
184			size_t len = sizeof (struct event_cmd_reject);
185			struct event_cmd_reject *cmd = malloc(len);
186			cmd->evcmd.next = NULL;
187			cmd->evcmd.len = len;
188			cmd->evcmd.name = "reject";
189			cmd->evcmd.op = &event_cmd_reject_ops;
190			$$ = (struct event_cmd *) cmd;
191		}
192	;
193
194string
195	: STRING	{ $$ = $1; }
196	;
197
198unknown
199	: UNKNOWN
200		{
201			$$ = $1;
202		}
203	;
204%%
205
206