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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, 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(); check_status!(unsafe { sys::napi_add_finalizer( self.0.env, self.0.value, Box::leak(Box::new((native, finalize_cb, maybe_ref))) 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, ) }) } } #[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, } } }