neon/sys/
string.rs

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
use std::{mem::MaybeUninit, ptr};

use super::{
    bindings as napi,
    raw::{Env, Local},
};

pub unsafe fn new(out: &mut Local, env: Env, data: *const u8, len: i32) -> bool {
    let status = napi::create_string_utf8(env, data as *const _, len as usize, out);

    status.is_ok()
}

pub unsafe fn utf8_len(env: Env, value: Local) -> usize {
    let mut len = MaybeUninit::uninit();
    napi::get_value_string_utf8(env, value, ptr::null_mut(), 0, len.as_mut_ptr()).unwrap();

    len.assume_init()
}

pub unsafe fn data(env: Env, out: *mut u8, len: usize, value: Local) -> usize {
    let mut read = MaybeUninit::uninit();

    napi::get_value_string_utf8(env, value, out as *mut _, len, read.as_mut_ptr()).unwrap();

    read.assume_init()
}

pub unsafe fn utf16_len(env: Env, value: Local) -> usize {
    let mut len = MaybeUninit::uninit();

    napi::get_value_string_utf16(env, value, ptr::null_mut(), 0, len.as_mut_ptr()).unwrap();

    len.assume_init()
}

pub unsafe fn data_utf16(env: Env, out: *mut u16, len: usize, value: Local) -> usize {
    let mut read = MaybeUninit::uninit();
    napi::get_value_string_utf16(env, value, out, len, read.as_mut_ptr()).unwrap();

    read.assume_init()
}

pub unsafe fn run_script(out: &mut Local, env: Env, value: Local) -> bool {
    let status = napi::run_script(env, value, out as *mut _);

    status == Ok(())
}