napi-rs/napi/src/js_values/arraybuffer.rs

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Rust
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use std::ptr;
use super::{JsObject, NapiValue, Value, ValueType};
use crate::error::check_status;
use crate::{sys, Result};
#[derive(Clone, Copy, Debug)]
pub struct JsArrayBuffer {
pub value: JsObject,
pub data: *const u8,
pub len: u64,
}
impl NapiValue for JsArrayBuffer {
fn raw_value(&self) -> sys::napi_value {
self.value.0.value
}
fn from_raw(env: sys::napi_env, value: sys::napi_value) -> Result<Self> {
let mut data = ptr::null_mut();
let mut len: u64 = 0;
let status = unsafe { sys::napi_get_arraybuffer_info(env, value, &mut data, &mut len) };
check_status(status)?;
Ok(JsArrayBuffer {
value: JsObject(Value {
env,
value,
value_type: ValueType::Object,
}),
data: data as *const u8,
len,
})
}
fn from_raw_unchecked(env: sys::napi_env, value: sys::napi_value) -> Self {
Self {
value: JsObject(Value {
env,
value,
value_type: ValueType::Object,
}),
data: ptr::null(),
len: 0,
}
}
}