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object.rs
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object.rs
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use std::mem::MaybeUninit;
use nodejs_sys as napi;
use raw::{Env, Local};
pub unsafe extern "C" fn new(out: &mut Local, env: Env) {
napi::napi_create_object(env, out as *mut _);
}
pub unsafe extern "C" fn get_own_property_names(out: &mut Local, env: Env, object: Local) -> bool {
let status = napi::napi_get_property_names(env, object, out as *mut _);
status == napi::napi_status::napi_ok
}
// Unused.
pub unsafe extern "C" fn get_isolate(_obj: Local) -> Env { unimplemented!() }
pub unsafe extern "C" fn get_index(out: &mut Local, env: Env, object: Local, index: u32) -> bool {
let status = napi::napi_get_element(env, object, index, out as *mut _);
status == napi::napi_status::napi_ok
}
pub unsafe extern "C" fn set_index(out: &mut bool, env: Env, object: Local, index: u32, val: Local) -> bool {
let status = napi::napi_set_element(env, object, index, val);
*out = status == napi::napi_status::napi_ok;
*out
}
pub unsafe extern "C" fn get_string(env: Env, out: &mut Local, object: Local, key: *const u8, len: i32) -> bool {
let mut key_val = MaybeUninit::uninit();
// Not using `crate::string::new()` because it requires a _reference_ to a Local,
// while we only have uninitialized memory.
if napi::napi_create_string_utf8(
env,
key as *const i8,
len as usize,
key_val.as_mut_ptr(),
) != napi::napi_status::napi_ok {
return false;
}
// Not using napi_get_named_property() because the `key` may not be null terminated.
if napi::napi_get_property(
env,
object,
key_val.assume_init(),
out as *mut _,
) != napi::napi_status::napi_ok {
return false;
}
true
}
pub unsafe extern "C" fn set_string(
env: Env,
out: &mut bool,
object: Local,
key: *const u8,
len: i32,
val: Local,
) -> bool {
let mut key_val = MaybeUninit::uninit();
*out = true;
if napi::napi_create_string_utf8(
env,
key as *const i8,
len as usize,
key_val.as_mut_ptr(),
) != napi::napi_status::napi_ok {
*out = false;
return false;
}
if napi::napi_set_property(
env,
object,
key_val.assume_init(),
val,
) != napi::napi_status::napi_ok {
*out = false;
return false;
}
true
}
pub unsafe extern "C" fn get(out: &mut Local, env: Env, object: Local, key: Local) -> bool {
let status = napi::napi_get_property(env, object, key, out as *mut _);
status == napi::napi_status::napi_ok
}
pub unsafe extern "C" fn set(out: &mut bool, env: Env, object: Local, key: Local, val: Local) -> bool {
let status = napi::napi_set_property(env, object, key, val);
*out = status == napi::napi_status::napi_ok;
*out
}