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
27static void parse_line_device(struct parse_state *state, int nargs, char **args);
28
29static 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
61int 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
72static void parse_line_device(struct parse_state* state, int nargs, char **args)
73{
74    set_device_permission(nargs, args);
75}
76