improve file manager

scripts/build_html.py

@@ -3,6 +3,38 @@ import re
 
 SRC_DIR = "src"
 
+
+def bytes_to_cpp_byte_array(input_file_bytes: bytes, input_file_path: str, output_header_file: str, variable_name: str):
+    # Format bytes into C++ byte array initialiser format (hex values)
+    hex_values = [f"0x{b:02x}" for b in input_file_bytes]
+    bytes_array_declaration = ", ".join(hex_values)
+    data_length = len(input_file_bytes)
+
+    # Generate the C++ header file content
+    header_content = f"""
+#ifndef {variable_name.upper()}_H
+#define {variable_name.upper()}_H
+
+#include <cstddef>
+#include <cstdint>
+
+// Embedded file: {os.path.basename(input_file_path)}
+constexpr uint8_t {variable_name}_data[] = {{
+    {bytes_array_declaration}
+}};
+constexpr size_t {variable_name}_size = {data_length};
+
+#endif // {variable_name.upper()}_H
+"""
+
+    try:
+        with open(output_header_file, 'w') as f:
+            f.write(header_content)
+        print(f"Successfully generated C++ header file: {output_header_file}")
+    except IOError as e:
+        print(f"Error writing header file: {e}")
+        exit(1)
+
 def minify_html(html: str) -> str:
     # Tags where whitespace should be preserved
     preserve_tags = ['pre', 'code', 'textarea', 'script', 'style']
@@ -31,21 +63,37 @@ def minify_html(html: str) -> str:
 
     return html.strip()
 
+def read_src_file(root: str, file: str) -> str:
+    file_path = os.path.join(root, file)
+    with open(file_path, "r", encoding="utf-8") as f:
+        return f.read()
+
+def build_static(src_path: str, dest_dir: str):
+    filename = os.path.basename(src_path)
+    base_name, extension = os.path.splitext(filename)
+    postfix = extension[1:].capitalize()
+    base_name = f"{os.path.splitext(filename)[0]}{postfix}"
+    output_cpp_header = os.path.join(dest_dir, f"{base_name}.generated.h")
+    cpp_variable_name = base_name
+    if not os.path.exists(dest_dir):
+        os.makedirs(dest_dir)
+    
+    if extension == ".html":
+        # minify HTML content
+        src_string = open(src_path, "r").read()
+        minified_str = minify_html(src_string)
+        src_bytes = minified_str.encode("utf-8")
+    else:
+        src_bytes = open(src_path, "rb").read()
+
+    bytes_to_cpp_byte_array(
+        input_file_bytes=src_bytes,
+        input_file_path=src_path,
+        output_header_file=output_cpp_header,
+        variable_name=cpp_variable_name
+    )
+
 for root, _, files in os.walk(SRC_DIR):
     for file in files:
-        if file.endswith(".html"):
-            html_path = os.path.join(root, file)
-            with open(html_path, "r", encoding="utf-8") as f:
-                html_content = f.read()
-
-            # minified = regex.sub("\g<1>", html_content)
-            minified = minify_html(html_content)
-            base_name = f"{os.path.splitext(file)[0]}Html"
-            header_path = os.path.join(root, f"{base_name}.generated.h")
-
-            with open(header_path, "w", encoding="utf-8") as h:
-                h.write(f"// THIS FILE IS AUTOGENERATED, DO NOT EDIT MANUALLY\n\n")
-                h.write(f"#pragma once\n")
-                h.write(f'constexpr char {base_name}[] PROGMEM = R"rawliteral({minified})rawliteral";\n')
-
-            print(f"Generated: {header_path}")
+        if file.endswith((".html", ".css", ".js")):
+            build_static(os.path.join(root, file), root)