Assets downloader

utils/assets-downloader/src/main.c

@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <string.h>
+
+#include <cjson/cJSON.h>
+
+#define VERSION "0.0.0"
+
+int main(int argc, char const *argv[]) {
+  // printf("Assets Downloader for Minecraft Batch Launcher %s\n", VERSION);
+
+  if (argc < 2) {
+    printf("Usage: %s <assets.json>\n", argv[0]);
+
+    return 0;
+  }
+
+  /* ... */
+  if (argc == 2 && strcmp(argv[1], "--help") == 0) {
+    printf("Help:\n");
+    printf("  --help\tShow help\n");
+    printf("  --version\tShow version\n");
+    return 0;
+  } else if (argc == 2 && strcmp(argv[1], "--version") == 0) {
+    return 0;
+  }
+
+  FILE *index_file;
+  char str[900000];
+  char buffer[100];
+
+  index_file = fopen(argv[1], "r");
+  while (fgets(buffer, sizeof(buffer), index_file)) {
+    strcat(str, buffer);
+  }
+  fclose(index_file);
+
+  cJSON *json = cJSON_Parse(str);
+  cJSON *assets_objects = cJSON_GetObjectItem(json, "objects");
+  unsigned int assets_objects_size = cJSON_GetArraySize(assets_objects);
+
+  if (assets_objects) {
+    cJSON *object = assets_objects->child;
+
+    while (object) {
+      char *hash = cJSON_GetStringValue(cJSON_GetObjectItem(object, "hash"));
+      unsigned int size =
+          cJSON_GetNumberValue(cJSON_GetObjectItem(object, "size"));
+      printf("%s:%d\n", hash, size);
+
+      object = object->next;
+    }
+  }
+
+  return 0;
+}