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use crate::v7400::object::property::{loaders::check_attrs_len, LoadProperty, PropertyHandle};
#[derive(Default, Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct OwnedBinaryLoader;
#[derive(Default, Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct OwnedStringLoader;
macro_rules! impl_owned_loader {
($ty_loader:ty, $ty_target:ty, $getter:ident, $target_name_str:expr) => {
impl $ty_loader {
pub fn new() -> Self {
Self::default()
}
}
impl LoadProperty<'_> for $ty_loader {
type Value = $ty_target;
type Error = anyhow::Error;
fn expecting(&self) -> String {
$target_name_str.into()
}
fn load(self, node: &PropertyHandle<'_>) -> Result<Self::Value, Self::Error> {
let value_part = check_attrs_len(node, 1, $target_name_str)?;
value_part[0]
.$getter()
.map(Into::into)
.map_err(|ty| prop_type_err!($target_name_str, ty, node))
}
}
};
}
impl_owned_loader! { OwnedBinaryLoader, Vec<u8>, get_binary_or_type, "binary" }
impl_owned_loader! { OwnedStringLoader, String, get_string_or_type, "string" }
#[derive(Default, Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct BorrowedBinaryLoader;
#[derive(Default, Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct BorrowedStringLoader;
macro_rules! impl_borrowed_loader {
($ty_loader:ty, $ty_target:ty, $getter:ident, $target_name_str:expr) => {
impl $ty_loader {
pub fn new() -> Self {
Self::default()
}
}
impl<'a> LoadProperty<'a> for $ty_loader {
type Value = &'a $ty_target;
type Error = anyhow::Error;
fn expecting(&self) -> String {
$target_name_str.into()
}
fn load(self, node: &PropertyHandle<'a>) -> Result<Self::Value, Self::Error> {
let value_part = check_attrs_len(node, 1, $target_name_str)?;
value_part[0]
.$getter()
.map_err(|ty| prop_type_err!($target_name_str, ty, node))
}
}
};
}
impl_borrowed_loader! { BorrowedBinaryLoader, [u8], get_binary_or_type, "binary" }
impl_borrowed_loader! { BorrowedStringLoader, str, get_string_or_type, "string" }