| 1 | /* |
| 2 | * (C) GraÅžvydas "notaz" Ignotas, 2010 |
| 3 | * |
| 4 | * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. |
| 5 | * See the COPYING file in the top-level directory. |
| 6 | */ |
| 7 | |
| 8 | #include <stdio.h> |
| 9 | #include <stdlib.h> |
| 10 | #include <string.h> |
| 11 | #include <strings.h> |
| 12 | #include <ctype.h> |
| 13 | |
| 14 | #include "omapsdl.h" |
| 15 | |
| 16 | int gcfg_force_vsync; |
| 17 | |
| 18 | static char *sskip(char *p) |
| 19 | { |
| 20 | while (*p && isspace(*p)) |
| 21 | p++; |
| 22 | return p; |
| 23 | } |
| 24 | |
| 25 | static char *nsskip(char *p) |
| 26 | { |
| 27 | while (*p && !isspace(*p)) |
| 28 | p++; |
| 29 | return p; |
| 30 | } |
| 31 | |
| 32 | static int check_token(char **p_, const char *token) |
| 33 | { |
| 34 | char *p = *p_; |
| 35 | int tlen = strlen(token); |
| 36 | int ret = strncasecmp(p, token, tlen) == 0 && isspace(p[tlen]); |
| 37 | if (ret) |
| 38 | *p_ = sskip(p + tlen + 1); |
| 39 | |
| 40 | return ret; |
| 41 | } |
| 42 | |
| 43 | static int check_token_eq(char **p_, const char *token) |
| 44 | { |
| 45 | char *p = *p_; |
| 46 | int ret = check_token(&p, token); |
| 47 | ret = ret && *p == '='; |
| 48 | if (ret) |
| 49 | *p_ = sskip(p + 1); |
| 50 | |
| 51 | return ret; |
| 52 | } |
| 53 | |
| 54 | void omapsdl_config(void) |
| 55 | { |
| 56 | char buff[256]; |
| 57 | FILE *f; |
| 58 | |
| 59 | f = fopen("omapsdl.cfg", "r"); |
| 60 | if (f == NULL) |
| 61 | return; |
| 62 | |
| 63 | while (!feof(f)) { |
| 64 | char *p, *line = fgets(buff, sizeof(buff), f); |
| 65 | if (line == NULL) |
| 66 | break; |
| 67 | p = line = sskip(line); |
| 68 | if (*p == '#') |
| 69 | continue; |
| 70 | |
| 71 | if (check_token(&p, "bind")) { |
| 72 | char *key, *key_end, *sdlkey, *sdlkey_end; |
| 73 | key = p; |
| 74 | key_end = nsskip(key); |
| 75 | p = sskip(key_end); |
| 76 | if (*p != '=') |
| 77 | goto bad; |
| 78 | sdlkey = sskip(p + 1); |
| 79 | sdlkey_end = nsskip(sdlkey); |
| 80 | p = sskip(sdlkey_end); |
| 81 | if (*key == 0 || *sdlkey == 0 || *p != 0) |
| 82 | goto bad; |
| 83 | *key_end = *sdlkey_end = 0; |
| 84 | |
| 85 | omapsdl_input_bind(key, sdlkey); |
| 86 | continue; |
| 87 | } |
| 88 | else if (check_token_eq(&p, "force_vsync")) { |
| 89 | gcfg_force_vsync = strtol(p, NULL, 0); |
| 90 | continue; |
| 91 | } |
| 92 | |
| 93 | bad: |
| 94 | err("config: failed to parse: %s", line); |
| 95 | } |
| 96 | fclose(f); |
| 97 | } |
| 98 | |
| 99 | |