1use serde_json::{from_str, to_string, Value};
2use std::ffi::{CStr, CString};
3use std::os::raw::c_char;
4
5fn parse_json_string(json_str: &str) -> Result<String, String> {
6 let parsed_json = from_str(json_str).map_err(|e| format!("Failed to parse JSON: {}", e))?;
7
8 let result = to_string(&parsed_json).map_err(|e| format!("Failed to serialize JSON: {}", e))?;
9
10 Ok(result)
11}
12
13#[no_mangle]
14pub unsafe extern "C" fn parse_json(input: *const c_char) -> *mut c_char {
15 let input_str = match CStr::from_ptr(input).to_str() {
16 Ok(str) => str,
17 Err(_) => return CString::new("").unwrap().into_raw(),
18 };
19
20 match parse_json_string(input_str) {
21 Ok(result) => CString::new(result)
22 .map(|s| s.into_raw())
23 .unwrap_or_else(|_| CString::new("").unwrap().into_raw()),
24 Err(err) => CString::new(err)
25 .map(|s| s.into_raw())
26 .unwrap_or_else(|_| CString::new("").unwrap().into_raw()),
27 }
28}