diff options
Diffstat (limited to 'config.c')
-rw-r--r-- | config.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/config.c b/config.c new file mode 100644 index 0000000..1664e4b --- /dev/null +++ b/config.c @@ -0,0 +1,120 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "runes.h" + +static void runes_config_set_defaults(RunesTerm *t); +static FILE *runes_config_get_config_file(); +static void runes_config_process_config_file(RunesTerm *t, FILE *config_file); +static void runes_config_set(RunesTerm *t, char *key, char *value); + +void runes_config_init(RunesTerm *t, int argc, char *argv[]) +{ + UNUSED(argc); + UNUSED(argv); + + memset((void *)t, 0, sizeof(*t)); + + runes_config_set_defaults(t); + runes_config_process_config_file(t, runes_config_get_config_file()); +} + +static void runes_config_set_defaults(RunesTerm *t) +{ + t->font_name = "monospace 10"; +} + +static FILE *runes_config_get_config_file() +{ + char *home, *config_dir, *path; + size_t home_len, config_dir_len; + FILE *file; + + home = getenv("HOME"); + home_len = strlen(home); + + config_dir = getenv("XDG_CONFIG_HOME"); + if (config_dir) { + config_dir = strdup(config_dir); + } + else { + config_dir = malloc(home_len + sizeof("/.config") + 1); + strcpy(config_dir, home); + strcpy(config_dir + home_len, "/.config"); + } + config_dir_len = strlen(config_dir); + + path = malloc(config_dir_len + sizeof("/runes/runes.conf") + 1); + strcpy(path, config_dir); + strcpy(path + config_dir_len, "/runes/runes.conf"); + free(config_dir); + + if ((file = fopen(path, "r"))) { + free(path); + return file; + } + + free(path); + path = malloc(home_len + sizeof("/.runesrc") + 1); + strcpy(path, home); + strcpy(path + home_len, "/.runesrc"); + + if ((file = fopen(path, "r"))) { + free(path); + return file; + } + + free(path); + + if ((file = fopen("/etc/runesrc", "r"))) { + return file; + } + + return NULL; +} + +static void runes_config_process_config_file(RunesTerm *t, FILE *config_file) +{ + char line[1024]; + + if (!config_file) { + return; + } + + while (fgets(line, 1024, config_file)) { + char *kbegin, *kend, *vbegin, *vend; + size_t len; + + len = strlen(line); + if (line[len - 1] == '\n') { + line[len - 1] = '\0'; + len--; + } + + kbegin = line + strspn(line, " \t"); + kend = kbegin + strcspn(kbegin, " \t="); + vbegin = kend + strspn(kend, " \t"); + if (*vbegin != '=') { + fprintf(stderr, "couldn't parse line: '%s'\n", line); + } + vbegin++; + vbegin = vbegin + strspn(vbegin, " \t"); + vend = line + len; + + *kend = '\0'; + *vend = '\0'; + + runes_config_set(t, kbegin, vbegin); + } +} + +static void runes_config_set(RunesTerm *t, char *key, char *val) +{ + if (!strcmp(key, "font")) { + t->font_name = strdup(val); + } + else { + fprintf(stderr, "unknown option: '%s'\n", key); + } +} |