Add embedded web server skeleton

scripts/gen_asset_module.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+import argparse
+import mimetypes
+from pathlib import Path
+
+
+def c_string(value):
+    return value.replace("\\", "\\\\").replace('"', '\\"')
+
+
+def bytes_as_c_array(path):
+    data = Path(path).read_bytes()
+    lines = []
+    for offset in range(0, len(data), 16):
+        chunk = data[offset:offset + 16]
+        lines.append("  " + ", ".join(f"0x{byte:02x}" for byte in chunk))
+    return "{\n" + ",\n".join(lines) + "\n}"
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--path", required=True)
+    parser.add_argument("file")
+    args = parser.parse_args()
+
+    mime = mimetypes.guess_type(args.path)[0] or "application/octet-stream"
+    symbol = (
+        "patchdl_asset_"
+        + "".join(ch if ch.isalnum() else "_" for ch in args.path)
+    )
+
+    print('#include "patchdl_assets.h"')
+    print()
+    print(f"static const unsigned char {symbol}[] = {bytes_as_c_array(args.file)};")
+    print()
+    print("__attribute__((constructor)) static void")
+    print(f"register_{symbol}(void) {{")
+    print(
+        f'  patchdl_asset_register("/{c_string(args.path)}", '
+        f"(const void*){symbol}, sizeof({symbol}), "
+        f'"{c_string(mime)}");'
+    )
+    print("}")
+
+
+if __name__ == "__main__":
+    main()