Colin Cross | 44b65d0 | 2010-04-20 14:32:50 -0700 | [diff] [blame] | 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" |
Colin Cross | 44b65d0 | 2010-04-20 14:32:50 -0700 | [diff] [blame] | 25 | #include "util.h" |
| 26 | |
| 27 | static void parse_line_device(struct parse_state *state, int nargs, char **args); |
| 28 | |
| 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 | |
| 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 | |
| 72 | static void parse_line_device(struct parse_state* state, int nargs, char **args) |
| 73 | { |
| 74 | set_device_permission(nargs, args); |
| 75 | } |