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use crate::{ sys::{ napi_is_array, napi_is_arraybuffer, napi_is_buffer, napi_is_dataview, napi_is_date, napi_is_typedarray, napi_status, napi_typeof, napi_value, napi_valuetype, }, Env, Error, Result, }; use std::mem::MaybeUninit; pub mod array; pub mod arraybuffer; pub mod bigint; pub mod boolean; pub mod buffer; pub mod dataview; pub mod date; pub mod external; pub mod function; pub mod null; pub mod number; pub mod object; pub mod string; pub mod symbol; pub mod typedarray; pub mod undefined; pub use self::{ array::Array, arraybuffer::ArrayBuffer, bigint::BigInt, boolean::Boolean, buffer::Buffer, dataview::DataView, date::Date, external::External, function::Function, null::Null, number::Number, object::Object, string::String, symbol::Symbol, typedarray::TypedArray, undefined::Undefined, }; #[derive(Clone, Copy)] pub struct Value<'a> { env: Env<'a>, value: napi_value, } impl<'a> Value<'a> { pub fn from_raw(env: Env<'a>, value: napi_value) -> Value<'a> { Value { env, value } } pub fn env(&self) -> Env<'a> { self.env } pub fn raw(&self) -> napi_value { self.value } fn value_type(&self) -> Result<napi_valuetype> { let value = unsafe { let mut result = MaybeUninit::uninit(); let status = napi_typeof(self.env().raw(), self.raw(), result.as_mut_ptr()); if status != napi_status::napi_ok { return Err(Error::from_last_node_api_error(self.env().raw(), status)); } result.assume_init() }; Ok(value) } pub fn is_array(&self) -> Result<bool> { unsafe { let mut result = MaybeUninit::uninit(); let status = napi_is_array(self.env().raw(), self.raw(), result.as_mut_ptr()); if status != napi_status::napi_ok { return Err(Error::from_last_node_api_error(self.env().raw(), status)); } Ok(result.assume_init()) } } pub fn as_array(&self) -> Result<Array<'a>> { if self.is_array()? { Ok(Array::from_value(*self)) } else { Err(Error::message("could not cast value to array")) } } pub fn is_arraybuffer(&self) -> Result<bool> { unsafe { let mut result = MaybeUninit::uninit(); let status = napi_is_arraybuffer(self.env().raw(), self.raw(), result.as_mut_ptr()); if status != napi_status::napi_ok { return Err(Error::from_last_node_api_error(self.env().raw(), status)); } Ok(result.assume_init()) } } pub fn as_arraybuffer(&self) -> Result<ArrayBuffer<'a>> { if self.is_arraybuffer()? { Ok(ArrayBuffer::from_value(*self)) } else { Err(Error::message("could not cast value to arraybuffer")) } } pub fn is_bigint(&self) -> Result<bool> { Ok(self.value_type()? == napi_valuetype::napi_bigint) } pub fn as_bigint(&self) -> Result<BigInt<'a>> { if self.is_bigint()? { Ok(BigInt::from_value(*self)) } else { Err(Error::message("could not cast value to bigint")) } } pub fn is_boolean(&self) -> Result<bool> { Ok(self.value_type()? == napi_valuetype::napi_boolean) } pub fn as_boolean(&self) -> Result<Boolean<'a>> { if self.is_boolean()? { Ok(Boolean::from_value(*self)) } else { Err(Error::message("could not cast value to boolean")) } } pub fn is_buffer(&self) -> Result<bool> { unsafe { let mut result = MaybeUninit::uninit(); let status = napi_is_buffer(self.env().raw(), self.raw(), result.as_mut_ptr()); if status != napi_status::napi_ok { return Err(Error::from_last_node_api_error(self.env().raw(), status)); } Ok(result.assume_init()) } } pub fn as_buffer(&self) -> Result<Buffer<'a>> { if self.is_buffer()? { Ok(Buffer::from_value(*self)) } else { Err(Error::message("could not cast value to buffer")) } } pub fn is_dataview(&self) -> Result<bool> { unsafe { let mut result = MaybeUninit::uninit(); let status = napi_is_dataview(self.env().raw(), self.raw(), result.as_mut_ptr()); if status != napi_status::napi_ok { return Err(Error::from_last_node_api_error(self.env().raw(), status)); } Ok(result.assume_init()) } } pub fn as_dataview(&self) -> Result<DataView<'a>> { if self.is_dataview()? { Ok(DataView::from_value(*self)) } else { Err(Error::message("could not cast value to dataview")) } } pub fn is_date(&self) -> Result<bool> { unsafe { let mut result = MaybeUninit::uninit(); let status = napi_is_date(self.env().raw(), self.raw(), result.as_mut_ptr()); if status != napi_status::napi_ok { return Err(Error::from_last_node_api_error(self.env().raw(), status)); } Ok(result.assume_init()) } } pub fn as_date(&self) -> Result<Date<'a>> { if self.is_date()? { Ok(Date::from_value(*self)) } else { Err(Error::message("could not cast value to date")) } } pub fn is_external(&self) -> Result<bool> { Ok(self.value_type()? == napi_valuetype::napi_external) } pub fn as_external<T>(&self) -> Result<External<'a, T>> { if self.is_external()? { Ok(External::from_value(*self)) } else { Err(Error::message("could not cast value to external")) } } pub fn is_function(&self) -> Result<bool> { Ok(self.value_type()? == napi_valuetype::napi_function) } pub fn as_function(&self) -> Result<Function<'a>> { if self.is_function()? { Ok(Function::from_value(*self)) } else { Err(Error::message("could not cast value to function")) } } pub fn is_null(&self) -> Result<bool> { Ok(self.value_type()? == napi_valuetype::napi_null) } pub fn as_null(&self) -> Result<Null<'a>> { if self.is_null()? { Ok(Null::from_value(*self)) } else { Err(Error::message("could not cast value to null")) } } pub fn is_number(&self) -> Result<bool> { Ok(self.value_type()? == napi_valuetype::napi_number) } pub fn as_number(&self) -> Result<Number<'a>> { if self.is_number()? { Ok(Number::from_value(*self)) } else { Err(Error::message("could not cast value to number")) } } pub fn is_object(&self) -> Result<bool> { Ok(self.value_type()? == napi_valuetype::napi_object) } pub fn as_object(&self) -> Result<Object<'a>> { if self.is_object()? { Ok(Object::from_value(*self)) } else { Err(Error::message("could not cast value to object")) } } pub fn is_string(&self) -> Result<bool> { Ok(self.value_type()? == napi_valuetype::napi_string) } pub fn as_string(&self) -> Result<String<'a>> { if self.is_string()? { Ok(String::from_value(*self)) } else { Err(Error::message("could not cast value to string")) } } pub fn is_symbol(&self) -> Result<bool> { Ok(self.value_type()? == napi_valuetype::napi_symbol) } pub fn as_symbol(&self) -> Result<Symbol<'a>> { if self.is_symbol()? { Ok(Symbol::from_value(*self)) } else { Err(Error::message("could not cast value to symbol")) } } pub fn is_typedarray(&self) -> Result<bool> { unsafe { let mut result = MaybeUninit::uninit(); let status = napi_is_typedarray(self.env().raw(), self.raw(), result.as_mut_ptr()); if status != napi_status::napi_ok { return Err(Error::from_last_node_api_error(self.env().raw(), status)); } Ok(result.assume_init()) } } pub fn as_typedarray(&self) -> Result<TypedArray<'a>> { if self.is_typedarray()? { Ok(TypedArray::from_value(*self)) } else { Err(Error::message("could not cast value to typedarray")) } } pub fn is_undefined(&self) -> Result<bool> { Ok(self.value_type()? == napi_valuetype::napi_undefined) } pub fn as_undefined(&self) -> Result<Undefined<'a>> { if self.is_undefined()? { Ok(Undefined::from_value(*self)) } else { Err(Error::message("could not cast value to undefined")) } } } impl<'a> From<Array<'a>> for Value<'a> { fn from(value: Array<'a>) -> Value<'a> { value.value() } } impl<'a> From<ArrayBuffer<'a>> for Value<'a> { fn from(value: ArrayBuffer<'a>) -> Value<'a> { value.value() } } impl<'a> From<BigInt<'a>> for Value<'a> { fn from(value: BigInt<'a>) -> Value<'a> { value.value() } } impl<'a> From<Boolean<'a>> for Value<'a> { fn from(value: Boolean<'a>) -> Value<'a> { value.value() } } impl<'a> From<Buffer<'a>> for Value<'a> { fn from(value: Buffer<'a>) -> Value<'a> { value.value() } } impl<'a> From<DataView<'a>> for Value<'a> { fn from(value: DataView<'a>) -> Value<'a> { value.value() } } impl<'a> From<Date<'a>> for Value<'a> { fn from(value: Date<'a>) -> Value<'a> { value.value() } } impl<'a, T> From<External<'a, T>> for Value<'a> where T: 'a, { fn from(value: External<'a, T>) -> Value<'a> { value.value() } } impl<'a> From<Function<'a>> for Value<'a> { fn from(value: Function<'a>) -> Value<'a> { value.value() } } impl<'a> From<Null<'a>> for Value<'a> { fn from(value: Null<'a>) -> Value<'a> { value.value() } } impl<'a> From<Number<'a>> for Value<'a> { fn from(value: Number<'a>) -> Value<'a> { value.value() } } impl<'a> From<Object<'a>> for Value<'a> { fn from(value: Object<'a>) -> Value<'a> { value.value() } } impl<'a> From<String<'a>> for Value<'a> { fn from(value: String<'a>) -> Value<'a> { value.value() } } impl<'a> From<Symbol<'a>> for Value<'a> { fn from(value: Symbol<'a>) -> Value<'a> { value.value() } } impl<'a> From<TypedArray<'a>> for Value<'a> { fn from(value: TypedArray<'a>) -> Value<'a> { value.value() } } impl<'a> From<Undefined<'a>> for Value<'a> { fn from(value: Undefined<'a>) -> Value<'a> { value.value() } }