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#[cfg(feature = "napi6")]
use std::convert::TryFrom;
#[cfg(feature = "napi5")]
use std::ffi::c_void;
#[cfg(feature = "napi5")]
use std::ptr;
#[cfg(feature = "napi5")]
use super::check_status;
use super::Value;
#[cfg(feature = "napi5")]
use crate::sys;
#[cfg(feature = "napi5")]
use crate::Env;
#[cfg(feature = "napi6")]
use crate::Error;
#[cfg(feature = "napi5")]
use crate::Result;
pub struct JsObject(pub(crate) Value);
#[cfg(feature = "napi5")]
pub struct FinalizeContext<T: 'static, Hint: 'static> {
pub env: Env,
pub value: T,
pub hint: Hint,
}
#[cfg(feature = "napi5")]
impl JsObject {
pub fn add_finalizer<T, Hint, F>(
&mut self,
native: T,
finalize_hint: Hint,
finalize_cb: F,
) -> Result<()>
where
T: 'static,
Hint: 'static,
F: FnOnce(FinalizeContext<T, Hint>),
{
let mut maybe_ref = ptr::null_mut();
let wrap_context = Box::leak(Box::new((native, finalize_cb, ptr::null_mut())));
check_status!(unsafe {
sys::napi_add_finalizer(
self.0.env,
self.0.value,
wrap_context as *mut _ as *mut c_void,
Some(
finalize_callback::<T, Hint, F>
as unsafe extern "C" fn(
env: sys::napi_env,
finalize_data: *mut c_void,
finalize_hint: *mut c_void,
),
),
Box::leak(Box::new(finalize_hint)) as *mut _ as *mut c_void,
&mut maybe_ref,
)
})?;
wrap_context.2 = maybe_ref;
Ok(())
}
}
#[cfg(feature = "napi5")]
unsafe extern "C" fn finalize_callback<T, Hint, F>(
raw_env: sys::napi_env,
finalize_data: *mut c_void,
finalize_hint: *mut c_void,
) where
T: 'static,
Hint: 'static,
F: FnOnce(FinalizeContext<T, Hint>),
{
let (value, callback, raw_ref) = *Box::from_raw(finalize_data as *mut (T, F, sys::napi_ref));
let hint = *Box::from_raw(finalize_hint as *mut Hint);
let env = Env::from_raw(raw_env);
callback(FinalizeContext { value, hint, env });
if !raw_ref.is_null() {
let status = sys::napi_delete_reference(raw_env, raw_ref);
debug_assert!(
status == sys::Status::napi_ok,
"Delete reference in finalize callback failed"
);
}
}
#[cfg(feature = "napi6")]
pub enum KeyCollectionMode {
IncludePrototypes,
OwnOnly,
}
#[cfg(feature = "napi6")]
impl TryFrom<sys::napi_key_collection_mode> for KeyCollectionMode {
type Error = Error;
fn try_from(value: sys::napi_key_collection_mode) -> Result<Self> {
match value {
sys::napi_key_collection_mode::napi_key_include_prototypes => Ok(Self::IncludePrototypes),
sys::napi_key_collection_mode::napi_key_own_only => Ok(Self::OwnOnly),
}
}
}
#[cfg(feature = "napi6")]
impl From<KeyCollectionMode> for sys::napi_key_collection_mode {
fn from(value: KeyCollectionMode) -> Self {
match value {
KeyCollectionMode::IncludePrototypes => {
sys::napi_key_collection_mode::napi_key_include_prototypes
}
KeyCollectionMode::OwnOnly => sys::napi_key_collection_mode::napi_key_own_only,
}
}
}
#[cfg(feature = "napi6")]
pub enum KeyFilter {
AllProperties,
Writable,
Enumerable,
Configurable,
SkipStrings,
SkipSymbols,
}
#[cfg(feature = "napi6")]
impl TryFrom<sys::napi_key_filter> for KeyFilter {
type Error = Error;
fn try_from(value: sys::napi_key_filter) -> Result<Self> {
match value {
sys::napi_key_filter::napi_key_all_properties => Ok(Self::AllProperties),
sys::napi_key_filter::napi_key_writable => Ok(Self::Writable),
sys::napi_key_filter::napi_key_enumerable => Ok(Self::Enumerable),
sys::napi_key_filter::napi_key_configurable => Ok(Self::Configurable),
sys::napi_key_filter::napi_key_skip_strings => Ok(Self::SkipStrings),
sys::napi_key_filter::napi_key_skip_symbols => Ok(Self::SkipSymbols),
}
}
}
#[cfg(feature = "napi6")]
impl From<KeyFilter> for sys::napi_key_filter {
fn from(value: KeyFilter) -> Self {
match value {
KeyFilter::AllProperties => Self::napi_key_all_properties,
KeyFilter::Writable => Self::napi_key_writable,
KeyFilter::Enumerable => Self::napi_key_enumerable,
KeyFilter::Configurable => Self::napi_key_configurable,
KeyFilter::SkipStrings => Self::napi_key_skip_strings,
KeyFilter::SkipSymbols => Self::napi_key_skip_symbols,
}
}
}
#[cfg(feature = "napi6")]
pub enum KeyConversion {
KeepNumbers,
NumbersToStrings,
}
#[cfg(feature = "napi6")]
impl TryFrom<sys::napi_key_conversion> for KeyConversion {
type Error = Error;
fn try_from(value: sys::napi_key_conversion) -> Result<Self> {
match value {
sys::napi_key_conversion::napi_key_keep_numbers => Ok(Self::KeepNumbers),
sys::napi_key_conversion::napi_key_numbers_to_strings => Ok(Self::NumbersToStrings),
}
}
}
#[cfg(feature = "napi6")]
impl From<KeyConversion> for sys::napi_key_conversion {
fn from(value: KeyConversion) -> Self {
match value {
KeyConversion::KeepNumbers => Self::napi_key_keep_numbers,
KeyConversion::NumbersToStrings => Self::napi_key_numbers_to_strings,
}
}
}