int
load_config(const char *filepath) {
SDL_RWops *fp = SDL_RWFromFile(filepath, "r");
if (!fp) {
LOG_ERROR("Can't open file %s\n", filepath);
return -1;
}
char buffer[256];
while (!rweof(fp)) {
memset(buffer, 0, sizeof(buffer));
rwgets(buffer, sizeof(buffer), fp);
if (buffer[0] == '#')
continue;
char *ptr;
char *p = strtok_r(buffer, " \r\n", &ptr);
if (p) {
struct ConfigItem *item = malloc(sizeof(struct ConfigItem));
strncpy(item->key, p, MAX_CONFIGS_STR_KEY_SIZE);
item->hash = pjw_hash(p);
p = strtok_r(NULL, " \r\n", &ptr);
if (isint(p)) {
VARIANT_SET_INT(item->var, atoi(p));
} else if (isfloat(p)) {
VARIANT_SET_FLOAT(item->var, atof(p));
} else {
VARIANT_SET_STRING(item->var, p);
}
// TODO: check dublicate
slist_append(configs, &item);
}
}
SDL_RWclose(fp);
return 0;
}
/* See documentation in header file. */
int ini_parse_file(SDL_RWops* file,
int (*handler)(void*, const char*, const char*,
const char*),
void* user)
{
/* Uses a fair bit of stack (use heap instead if you need to) */
#if INI_USE_STACK
char line[INI_MAX_LINE];
#else
char* line;
#endif
char section[MAX_SECTION] = "";
char prev_name[MAX_NAME] = "";
char* start;
char* end;
char* name;
char* value;
int lineno = 0;
int error = 0;
#if !INI_USE_STACK
line = (char*)malloc(INI_MAX_LINE);
if (!line) {
return -2;
}
#endif
/* Scan through file line by line */
while (rwgets(line, INI_MAX_LINE, file) != NULL) {
lineno++;
start = line;
#if INI_ALLOW_BOM
if (lineno == 1 && (unsigned char)start[0] == 0xEF &&
(unsigned char)start[1] == 0xBB &&
(unsigned char)start[2] == 0xBF) {
start += 3;
}
#endif
start = lskip(rstrip(start));
if (*start == ';' || *start == '#') {
/* Per Python ConfigParser, allow '#' comments at start of line */
}
#if INI_ALLOW_MULTILINE
else if (*prev_name && *start && start > line) {
/* Non-black line with leading whitespace, treat as continuation
of previous name's value (as per Python ConfigParser). */
if (!handler(user, section, prev_name, start) && !error)
error = lineno;
}
#endif
else if (*start == '[') {
/* A "[section]" line */
end = find_char_or_comment(start + 1, ']');
if (*end == ']') {
*end = '\0';
strncpy0(section, start + 1, sizeof(section));
*prev_name = '\0';
}
else if (!error) {
/* No ']' found on section line */
error = lineno;
}
}
else if (*start && *start != ';') {
/* Not a comment, must be a name[=:]value pair */
end = find_char_or_comment(start, '=');
if (*end != '=') {
end = find_char_or_comment(start, ':');
}
if (*end == '=' || *end == ':') {
*end = '\0';
name = rstrip(start);
value = lskip(end + 1);
end = find_char_or_comment(value, '\0');
if (*end == ';')
*end = '\0';
rstrip(value);
/* Valid name[=:]value pair found, call handler */
strncpy0(prev_name, name, sizeof(prev_name));
if (!handler(user, section, name, value) && !error)
error = lineno;
}
else if (!error) {
/* No '=' or ':' found on name[=:]value line */
error = lineno;
}
}
#if INI_STOP_ON_FIRST_ERROR
if (error)
break;
#endif
}
#if !INI_USE_STACK
free(line);
#endif
//free(fileContents);
return error;
}
