napi_calm_down/js_values/string/
utf8.rs

1use std::convert::TryFrom;
2use std::str;
3
4use crate::{Error, JsString, Result, Status};
5
6pub struct JsStringUtf8 {
7  pub(crate) inner: JsString,
8  pub(crate) buf: Vec<u8>,
9}
10
11impl JsStringUtf8 {
12  pub fn as_str(&self) -> Result<&str> {
13    match str::from_utf8(&self.buf) {
14      Err(e) => Err(Error::new(
15        Status::InvalidArg,
16        format!("Failed to read utf8 string, {}", e),
17      )),
18      Ok(s) => Ok(s),
19    }
20  }
21
22  pub fn as_slice(&self) -> &[u8] {
23    self.buf.as_slice()
24  }
25
26  pub fn len(&self) -> usize {
27    self.buf.len()
28  }
29
30  pub fn is_empty(&self) -> bool {
31    self.buf.is_empty()
32  }
33
34  pub fn into_owned(self) -> Result<String> {
35    Ok(self.as_str()?.to_owned())
36  }
37
38  pub fn take(self) -> Vec<u8> {
39    self.as_slice().to_vec()
40  }
41
42  pub fn into_value(self) -> JsString {
43    self.inner
44  }
45}
46
47impl TryFrom<JsStringUtf8> for String {
48  type Error = Error;
49
50  fn try_from(value: JsStringUtf8) -> Result<String> {
51    value.into_owned()
52  }
53}
54
55impl From<JsStringUtf8> for Vec<u8> {
56  fn from(value: JsStringUtf8) -> Self {
57    value.take()
58  }
59}
napi_calm_down/js_values/string/utf8.rs

napi_calm_down/js_values/string/
utf8.rs
