Implement AudioFile for TaggedFile

CHANGELOG.md

@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - **ID3v2**: `FrameValue::Popularimeter`
 - `ItemValue::{into_string, into_binary}`
 - `Tag::take_strings`
+- `TaggedFile` now implements `AudioFile`
 
 ### Changed
 - **MP4**: Sample rates and channels are now retrieved from the [audio specific config](https://wiki.multimedia.cx/index.php?title=MPEG-4_Audio#Audio_Specific_Config) (if possible).

examples/tag_reader.rs

@@ -1,4 +1,4 @@
-use lofty::{Accessor, Probe};
+use lofty::{Accessor, AudioFile, Probe};
 use std::path::Path;
 
 fn main() {

src/file.rs

@@ -51,11 +51,6 @@ impl TaggedFile {
 		self.ty
 	}
 
-	/// Returns the file's [`FileProperties`]
-	pub fn properties(&self) -> &FileProperties {
-		&self.properties
-	}
-
 	/// Returns all tags
 	pub fn tags(&self) -> &[Tag] {
 		self.tags.as_slice()
@@ -177,6 +172,32 @@ impl TaggedFile {
 	}
 }
 
+impl AudioFile for TaggedFile {
+	type Properties = FileProperties;
+
+	fn read_from<R>(reader: &mut R, read_properties: bool) -> Result<Self>
+	where
+		R: Read + Seek,
+		Self: Sized,
+	{
+		crate::probe::Probe::new(reader)
+			.guess_file_type()?
+			.read(read_properties)
+	}
+
+	fn properties(&self) -> &Self::Properties {
+		&self.properties
+	}
+
+	fn contains_tag(&self) -> bool {
+		!self.tags.is_empty()
+	}
+
+	fn contains_tag_type(&self, tag_type: TagType) -> bool {
+		self.tags.iter().any(|t| t.tag_type() == tag_type)
+	}
+}
+
 #[derive(PartialEq, Copy, Clone, Debug)]
 #[allow(missing_docs)]
 #[non_exhaustive]