napi_h/bindgen_runtime/js_values/
symbol.rs

1use std::{ffi::CString, ptr};
2
3use crate::{check_status, sys};
4
5use super::{FromNapiValue, ToNapiValue, TypeName, ValidateNapiValue};
6
7pub struct Symbol {
8  desc: Option<String>,
9  #[cfg(feature = "napi9")]
10  for_desc: Option<String>,
11}
12
13impl TypeName for Symbol {
14  fn type_name() -> &'static str {
15    "Symbol"
16  }
17
18  fn value_type() -> crate::ValueType {
19    crate::ValueType::Symbol
20  }
21}
22
23impl ValidateNapiValue for Symbol {}
24
25impl Symbol {
26  pub fn new(desc: String) -> Self {
27    Self {
28      desc: Some(desc),
29      #[cfg(feature = "napi9")]
30      for_desc: None,
31    }
32  }
33
34  pub fn identity() -> Self {
35    Self {
36      desc: None,
37      #[cfg(feature = "napi9")]
38      for_desc: None,
39    }
40  }
41
42  #[cfg(feature = "napi9")]
43  pub fn for_desc(desc: String) -> Self {
44    Self {
45      desc: None,
46      for_desc: Some(desc.to_owned()),
47    }
48  }
49}
50
51impl ToNapiValue for Symbol {
52  unsafe fn to_napi_value(env: sys::napi_env, val: Self) -> crate::Result<sys::napi_value> {
53    let mut symbol_value = ptr::null_mut();
54    #[cfg(feature = "napi9")]
55    if let Some(desc) = val.for_desc {
56      check_status!(
57        unsafe {
58          sys::node_api_symbol_for(env, desc.as_ptr().cast(), desc.len(), &mut symbol_value)
59        },
60        "Failed to call node_api_symbol_for"
61      )?;
62      return Ok(symbol_value);
63    }
64    check_status!(unsafe {
65      sys::napi_create_symbol(
66        env,
67        match val.desc {
68          Some(desc) => {
69            let mut desc_string = ptr::null_mut();
70            let desc_len = desc.len();
71            let desc_c_string = CString::new(desc)?;
72            check_status!(sys::napi_create_string_utf8(
73              env,
74              desc_c_string.as_ptr(),
75              desc_len,
76              &mut desc_string
77            ))?;
78            desc_string
79          }
80          None => ptr::null_mut(),
81        },
82        &mut symbol_value,
83      )
84    })?;
85    Ok(symbol_value)
86  }
87}
88
89impl FromNapiValue for Symbol {
90  unsafe fn from_napi_value(
91    _env: sys::napi_env,
92    _napi_val: sys::napi_value,
93  ) -> crate::Result<Self> {
94    Ok(Self {
95      desc: None,
96      #[cfg(feature = "napi9")]
97      for_desc: None,
98    })
99  }
100}
napi_h/bindgen_runtime/js_values/symbol.rs

napi_h/bindgen_runtime/js_values/
symbol.rs
