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Add attribute to lofty-attr to skip From<AnyTag> conversion

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Signed-off-by: Serial <69764315+Serial-ATA@users.noreply.github.com>
This commit is contained in:
Serial 2021-06-29 14:44:22 -04:00
parent 6836b759f7
commit 3091da92cd
3 changed files with 47 additions and 37 deletions
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2
lofty-attr/Cargo.lock generated
View file

@ -4,7 +4,7 @@ version = 3
[[package]] [[package]]
name = "lofty_attr" name = "lofty_attr"
version = "0.1.2" version = "0.1.3"
dependencies = [ dependencies = [
"quote", "quote",
"syn", "syn",

2
lofty-attr/Cargo.toml
View file

@ -1,6 +1,6 @@
[package] [package]
name = "lofty_attr" name = "lofty_attr"
version = "0.1.2" version = "0.1.3"
authors = ["Serial <69764315+Serial-ATA@users.noreply.github.com>"] authors = ["Serial <69764315+Serial-ATA@users.noreply.github.com>"]
description = "Macro for Lofty tag struct creation" description = "Macro for Lofty tag struct creation"
license = "MIT OR Apache-2.0" license = "MIT OR Apache-2.0"

80
lofty-attr/src/lib.rs
View file

@ -23,6 +23,50 @@ pub fn impl_tag(args: TokenStream, input: TokenStream) -> TokenStream {
if let Some(inner) = inner.get_ident() { if let Some(inner) = inner.get_ident() {
let input_ident = input.ident; let input_ident = input.ident;
let mut anytag_convert = quote! {
impl<'a> From<AnyTag<'a>> for #input_ident {
fn from(inp: AnyTag<'a>) -> Self {
let mut tag = #input_ident::default();
if let Some(v) = inp.title() {
tag.set_title(v)
}
if let Some(v) = inp.artists_as_string() {
tag.set_artist(&v)
}
if let Some(v) = inp.year {
tag.set_year(v)
}
if let Some(v) = inp.album().title {
tag.set_album_title(v)
}
if let Some(v) = inp.album().artists {
tag.set_album_artist(&v.join("/"))
}
if let Some(v) = inp.track_number() {
tag.set_track_number(v)
}
if let Some(v) = inp.total_tracks() {
tag.set_total_tracks(v)
}
if let Some(v) = inp.disc_number() {
tag.set_disc_number(v)
}
if let Some(v) = inp.total_discs() {
tag.set_total_discs(v)
}
tag
}
}
};
if let Some(attr) = input.attrs.first() {
if attr.path.is_ident("custom_convert") {
anytag_convert = quote! {};
}
}
let expanded = quote! { let expanded = quote! {
#[doc(hidden)] #[doc(hidden)]
pub struct #input_ident { pub struct #input_ident {
@ -102,41 +146,7 @@ pub fn impl_tag(args: TokenStream, input: TokenStream) -> TokenStream {
} }
} }
impl<'a> From<AnyTag<'a>> for #input_ident { #anytag_convert
fn from(inp: AnyTag<'a>) -> Self {
let mut tag = #input_ident::default();
if let Some(v) = inp.title() {
tag.set_title(v)
}
if let Some(v) = inp.artists_as_string() {
tag.set_artist(&v)
}
if let Some(v) = inp.year {
tag.set_year(v)
}
if let Some(v) = inp.album().title {
tag.set_album_title(v)
}
if let Some(v) = inp.album().artists {
tag.set_album_artist(&v.join("/"))
}
if let Some(v) = inp.track_number() {
tag.set_track_number(v)
}
if let Some(v) = inp.total_tracks() {
tag.set_total_tracks(v)
}
if let Some(v) = inp.disc_number() {
tag.set_disc_number(v)
}
if let Some(v) = inp.total_discs() {
tag.set_total_discs(v)
}
tag
}
}
// From dyn AudioTag to wrapper (any type) // From dyn AudioTag to wrapper (any type)
impl From<Box<dyn AudioTag>> for #input_ident { impl From<Box<dyn AudioTag>> for #input_ident {