1use std::convert::TryFrom;
2
3use super::Value;
4use crate::bindgen_runtime::{TypeName, ValidateNapiValue};
5use crate::{check_status, ValueType};
6use crate::{sys, Error, Result};
7
8#[derive(Clone, Copy)]
9pub struct JsNumber(pub(crate) Value);
10
11impl TypeName for JsNumber {
12 fn type_name() -> &'static str {
13 "f64"
14 }
15
16 fn value_type() -> crate::ValueType {
17 ValueType::Number
18 }
19}
20
21impl ValidateNapiValue for JsNumber {}
22
23impl JsNumber {
24 pub fn get_uint32(&self) -> Result<u32> {
25 let mut result = 0;
26 check_status!(unsafe { sys::napi_get_value_uint32(self.0.env, self.0.value, &mut result) })?;
27 Ok(result)
28 }
29
30 pub fn get_int32(&self) -> Result<i32> {
31 let mut result = 0;
32 check_status!(unsafe { sys::napi_get_value_int32(self.0.env, self.0.value, &mut result) })?;
33 Ok(result)
34 }
35
36 pub fn get_int64(&self) -> Result<i64> {
37 let mut result = 0;
38 check_status!(unsafe { sys::napi_get_value_int64(self.0.env, self.0.value, &mut result) })?;
39 Ok(result)
40 }
41
42 pub fn get_double(&self) -> Result<f64> {
43 let mut result = 0_f64;
44 check_status!(unsafe { sys::napi_get_value_double(self.0.env, self.0.value, &mut result) })?;
45 Ok(result)
46 }
47}
48
49impl TryFrom<JsNumber> for u32 {
50 type Error = Error;
51
52 fn try_from(value: JsNumber) -> Result<u32> {
53 let mut result: u32 = 0;
54 check_status!(unsafe { sys::napi_get_value_uint32(value.0.env, value.0.value, &mut result) })?;
55 Ok(result)
56 }
57}
58
59impl TryFrom<JsNumber> for i32 {
60 type Error = Error;
61
62 fn try_from(value: JsNumber) -> Result<i32> {
63 let mut result: i32 = 0;
64 check_status!(unsafe { sys::napi_get_value_int32(value.0.env, value.0.value, &mut result) })?;
65 Ok(result)
66 }
67}
68
69impl TryFrom<JsNumber> for i64 {
70 type Error = Error;
71
72 fn try_from(value: JsNumber) -> Result<i64> {
73 let mut result: i64 = 0;
74 check_status!(unsafe { sys::napi_get_value_int64(value.0.env, value.0.value, &mut result) })?;
75 Ok(result)
76 }
77}
78
79impl TryFrom<JsNumber> for f64 {
80 type Error = Error;
81
82 fn try_from(value: JsNumber) -> Result<f64> {
83 let mut result: f64 = 0_f64;
84 check_status!(unsafe { sys::napi_get_value_double(value.0.env, value.0.value, &mut result) })?;
85 Ok(result)
86 }
87}
88