Files
forge-steel/src/config_file.c
T

142 lines
3.2 KiB
C

#include <hashmap.h>
#include <log.h>
#include <stdlib.h>
#include <string.h>
#include "types.h"
#include "config.h"
#include "config_file.h"
#include "file.h"
#include "string.h"
static int item_compare(const void *a, const void *b,
__attribute__((unused)) void *udata) {
const ConfigFileItem *c_item_a;
const ConfigFileItem *c_item_b;
c_item_a = a;
c_item_b = b;
return strcmp(c_item_a->key, c_item_b->key);
}
static uint64_t item_hash(const void *item, uint64_t seed0, uint64_t seed1) {
const ConfigFileItem *c_item;
c_item = item;
return hashmap_sip(c_item->key, strnlen(c_item->key, STR_LEN), seed0, seed1);
}
static void parse_config_file_line(const ConfigFile *config, char *line) {
unsigned int size;
const char *equal_pos;
unsigned int key_size;
unsigned int value_size;
ConfigFileItem item;
size = string_trim(line);
if (size == 0 || line[0] == '#') {
return;
}
equal_pos = strchr(line, '=');
if (equal_pos == NULL) {
log_warn("Invalid config line '%s'", line);
return;
}
key_size = equal_pos - line;
value_size = size - key_size - 1;
strlcpy(item.key, line, key_size + 1);
item.key[key_size] = '\0';
if (value_size > 0) {
strlcpy(item.value, line + key_size + 1, value_size + 1);
item.value[value_size] = '\0';
}
hashmap_set(config->map, &item);
}
void config_file_read(ConfigFile *config, const char *path) {
File file;
char *line;
char *rest;
config->map = hashmap_new(sizeof(ConfigFileItem), 0, 0, 0, item_hash,
item_compare, NULL, NULL);
file_read(&file, path);
if (file.error) {
config->error = true;
return;
}
config->error = false;
line = strtok_r(file.content, "\n", &rest);
while (line != NULL) {
parse_config_file_line(config, line);
line = strtok_r(rest, "\n", &rest);
}
file_free(&file);
}
bool config_file_has(const ConfigFile *config, const char *key) {
ConfigFileItem c_key;
const ConfigFileItem *item;
strlcpy(c_key.key, key, STR_LEN);
item = (const ConfigFileItem *)hashmap_get(config->map, &c_key);
return item != NULL && strnlen(item->value, STR_LEN) > 0;
}
const char *config_file_get_str(const ConfigFile *config, const char *key,
const char *default_value) {
ConfigFileItem c_key;
const ConfigFileItem *item;
strlcpy(c_key.key, key, STR_LEN);
item = (const ConfigFileItem *)hashmap_get(config->map, &c_key);
if (item == NULL || strnlen(item->value, STR_LEN) == 0) {
return default_value;
}
return item->value;
}
unsigned int config_file_get_int(const ConfigFile *config, const char *key,
unsigned int default_value) {
ConfigFileItem c_key;
const ConfigFileItem *item;
strlcpy(c_key.key, key, STR_LEN);
item = (const ConfigFileItem *)hashmap_get(config->map, &c_key);
if (item == NULL || strnlen(item->value, STR_LEN) == 0) {
return default_value;
}
if (!string_is_number(item->value)) {
log_warn("Invalid number for %s: '%s'", item->key, item->value);
return default_value;
}
return (unsigned int)atoi(item->value);
}
void config_file_free(const ConfigFile *config) { hashmap_free(config->map); }