working config file

src/config_file.c

@@ -1,8 +1,11 @@
 #include <hashmap.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "config_file.h"
 #include "file.h"
+#include "logs.h"
+#include "string.h"
 #include "types.h"
 
 static int item_compare(const void *a, const void *b,
@@ -24,31 +27,75 @@ static uint64_t item_hash(const void *item, uint64_t seed0, uint64_t seed1) {
   return hashmap_sip(c_item->key, strlen(c_item->key), seed0, seed1);
 }
 
+static void parse_config_file_line(ConfigFile config, char *line) {
+  unsigned int size;
+  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;
+
+  strncpy(item.key, line, key_size);
+  item.key[key_size] = '\0';
+
+  if (value_size > 0) {
+    strncpy(item.value, line + key_size + 1, value_size);
+    item.value[value_size] = '\0';
+  }
+
+  hashmap_set(config.map, &item);
+}
+
 ConfigFile config_file_read(char *path, bool free_path) {
   File file;
-  ConfigFile output;
+  ConfigFile config;
+  char *line;
+
+  config.map = hashmap_new(sizeof(ConfigFileItem), 0, 0, 0, item_hash,
+                           item_compare, NULL, NULL);
 
   file = file_read(path);
 
-  output.map = hashmap_new(sizeof(ConfigFileItem), 0, 0, 0, item_hash,
-                           item_compare, NULL, NULL);
+  if (file.error) {
+    return config;
+  }
 
-  // TODO
+  line = strtok(file.content, "\n");
+
+  while (line != NULL) {
+    parse_config_file_line(config, line);
+    line = strtok(NULL, "\n");
+  }
 
   file_free(&file, free_path);
 
-  return output;
+  return config;
 }
 
 char *config_file_get_str(ConfigFile config, char *key, char *default_value) {
   ConfigFileItem c_key;
   ConfigFileItem *item;
 
-  c_key.key = key;
+  strcpy(c_key.key, key);
 
   item = (ConfigFileItem *)hashmap_get(config.map, &c_key);
 
-  if (item == NULL) {
+  if (item == NULL || strlen(item->value) == 0) {
     return default_value;
   }
 
@@ -59,11 +106,16 @@ int config_file_get_int(ConfigFile config, char *key, int default_value) {
   ConfigFileItem c_key;
   ConfigFileItem *item;
 
-  c_key.key = key;
+  strcpy(c_key.key, key);
 
   item = (ConfigFileItem *)hashmap_get(config.map, &c_key);
 
-  if (item == NULL) {
+  if (item == NULL || strlen(item->value) == 0) {
+    return default_value;
+  }
+
+  if (!string_is_number(item->value)) {
+    log_warn("Invalid number for %s: '%s'", item->key, item->value);
     return default_value;
   }