Files
Lints/scripts/embed_js.py
2025-11-18 22:27:45 +01:00

59 lines
1.3 KiB
Python
Executable File

#!/usr/bin/env python3
"""
Embed JavaScript file as a C string constant
"""
import sys
def escape_c_string(s):
"""Escape a string for use in C source code"""
result = []
for char in s:
if char == "\n":
result.append("\\n")
elif char == "\r":
result.append("\\r")
elif char == "\t":
result.append("\\t")
elif char == "\\":
result.append("\\\\")
elif char == '"':
result.append('\\"')
elif ord(char) < 32 or ord(char) > 126:
result.append(f"\\x{ord(char):02x}")
else:
result.append(char)
return "".join(result)
def main():
if len(sys.argv) != 2:
print("Usage: embed_js.py <input.js>", file=sys.stderr)
sys.exit(1)
input_file = sys.argv[1]
try:
with open(input_file, "r") as f:
js_code = f.read()
except FileNotFoundError:
print(f"Error: File not found: {input_file}", file=sys.stderr)
sys.exit(1)
# Generate C header file
print("/* Auto-generated file - do not edit */")
print("#ifndef EMBEDDED_JS_H")
print("#define EMBEDDED_JS_H")
print()
escaped = escape_c_string(js_code)
print(f'const char *embedded_js_code = "{escaped}";')
print()
print("#endif /* EMBEDDED_JS_H */")
if __name__ == "__main__":
main()