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#[macro_export]
macro_rules! impl_audiotag_config {
($tag:ident) => {
impl AudioTagConfig for $tag {
fn config(&self) -> &Config {
&self.config
}
fn set_config(&mut self, config: Config) {
self.config = config.clone();
}
}
};
}
#[macro_export]
macro_rules! impl_tag {
($tag:ident , $inner:ident, $tag_type:expr) => {
#[derive(Default)]
pub struct $tag {
inner: $inner,
config: Config,
}
impl $tag {
pub fn new() -> Self {
Self::default()
}
pub fn read_from_path(path: impl AsRef<Path>) -> crate::Result<Self> {
Ok(Self {
inner: $inner::read_from_path(path)?,
config: Config::default(),
})
}
}
impl_audiotag_config!($tag);
use std::any::Any;
impl IntoAnyTag for $tag {
fn into_anytag(&self) -> AnyTag<'_> {
self.into()
}
fn into_any(&self) -> &dyn Any {
self
}
}
impl $tag {
pub(crate) fn into_any_owned(self) -> Box<dyn Any> {
Box::new(self)
}
}
impl AudioTag for $tag {}
impl From<&$tag> for $inner {
fn from(inp: &$tag) -> Self {
inp.inner.clone()
}
}
impl From<$inner> for $tag {
fn from(inp: $inner) -> Self {
Self {
inner: inp,
config: Config::default(),
}
}
}
impl<'a> std::convert::TryFrom<&'a Box<dyn AudioTag>> for &'a $tag {
type Error = crate::Error;
fn try_from(inp: &'a Box<dyn AudioTag>) -> crate::Result<Self> {
inp.into_any()
.downcast_ref::<$tag>()
.ok_or(crate::Error::DowncastError)
}
}
impl std::convert::TryFrom<Box<dyn AudioTag>> for $inner {
type Error = crate::Error;
fn try_from(inp: Box<dyn AudioTag>) -> crate::Result<Self> {
let t: &$tag = inp
.into_any()
.downcast_ref::<$tag>()
.ok_or(crate::Error::DowncastError)?;
Ok(t.into())
}
}
};
}