1 /*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <stdio.h>
18 #include <unistd.h>
19 #include <stdarg.h>
20 #include <string.h>
21
22 #include "ueventd_parser.h"
23 #include "parser.h"
24 #include "log.h"
25 #include "util.h"
26
27 static void parse_line_device(struct parse_state *state, int nargs, char **args);
28
parse_config(const char * fn,char * s)29 static void parse_config(const char *fn, char *s)
30 {
31 struct parse_state state;
32 char *args[UEVENTD_PARSER_MAXARGS];
33 int nargs;
34 nargs = 0;
35 state.filename = fn;
36 state.line = 1;
37 state.ptr = s;
38 state.nexttoken = 0;
39 state.parse_line = parse_line_device;
40 for (;;) {
41 int token = next_token(&state);
42 switch (token) {
43 case T_EOF:
44 state.parse_line(&state, 0, 0);
45 return;
46 case T_NEWLINE:
47 if (nargs) {
48 state.parse_line(&state, nargs, args);
49 nargs = 0;
50 }
51 break;
52 case T_TEXT:
53 if (nargs < UEVENTD_PARSER_MAXARGS) {
54 args[nargs++] = state.text;
55 }
56 break;
57 }
58 }
59 }
60
ueventd_parse_config_file(const char * fn)61 int ueventd_parse_config_file(const char *fn)
62 {
63 char *data;
64 data = read_file(fn, 0);
65 if (!data) return -1;
66
67 parse_config(fn, data);
68 DUMP();
69 return 0;
70 }
71
parse_line_device(struct parse_state * state,int nargs,char ** args)72 static void parse_line_device(struct parse_state* state, int nargs, char **args)
73 {
74 set_device_permission(nargs, args);
75 }
76