Cleanup; Make use of doc_cfg

Cargo.toml

@@ -54,4 +54,5 @@ name = "create_tag"
 harness = false
 
 [package.metadata.docs.rs]
-all-features = true
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]

src/ape/header.rs

@@ -0,0 +1,58 @@
+use crate::error::{FileDecodingError, Result};
+use crate::types::file::FileType;
+
+use std::io::{Read, Seek, SeekFrom};
+use std::ops::Neg;
+
+use byteorder::{LittleEndian, ReadBytesExt};
+
+#[derive(Copy, Clone)]
+pub(crate) struct ApeHeader {
+	pub(crate) size: u32,
+	#[cfg(feature = "ape")]
+	pub(crate) item_count: u32,
+}
+
+pub(crate) fn read_ape_header<R>(data: &mut R, footer: bool) -> Result<ApeHeader>
+where
+	R: Read + Seek,
+{
+	let version = data.read_u32::<LittleEndian>()?;
+
+	let mut size = data.read_u32::<LittleEndian>()?;
+
+	if size < 32 {
+		// If the size is < 32, something went wrong during encoding
+		// The size includes the footer and all items
+		return Err(
+			FileDecodingError::new(FileType::APE, "APE tag has an invalid size (< 32)").into(),
+		);
+	}
+
+	#[cfg(feature = "ape")]
+	let item_count = data.read_u32::<LittleEndian>()?;
+
+	#[cfg(not(feature = "ape"))]
+	data.seek(SeekFrom::Current(4))?;
+
+	if footer {
+		// No point in reading the rest of the footer, just seek back to the end of the header
+		data.seek(SeekFrom::Current(i64::from(size - 12).neg()))?;
+	} else {
+		// There are 12 bytes remaining in the header
+		// Flags (4)
+		// Reserved (8)
+		data.seek(SeekFrom::Current(12))?;
+	}
+
+	// Version 1 doesn't include a header
+	if version == 2000 {
+		size += 32
+	}
+
+	Ok(ApeHeader {
+		size,
+		#[cfg(feature = "ape")]
+		item_count,
+	})
+}

src/ape/mod.rs

@@ -6,30 +6,36 @@
 //! this tag will be read, but **cannot** be written. The only tags allowed by spec are `APEv1/2` and
 //! `ID3v1`.
 pub(crate) mod constants;
+pub(crate) mod header;
 mod properties;
 mod read;
-pub(crate) mod tag;
 pub(crate) mod write;
 
-pub use crate::ape::properties::ApeProperties;
-#[cfg(feature = "ape")]
-pub use {
-	crate::types::picture::APE_PICTURE_TYPES,
-	tag::{ape_tag::ApeTag, item::ApeItem},
-};
-
 use crate::error::Result;
 #[cfg(feature = "id3v1")]
 use crate::id3::v1::tag::Id3v1Tag;
 #[cfg(feature = "id3v2")]
 use crate::id3::v2::tag::Id3v2Tag;
-use crate::tag_utils::tag_methods;
 use crate::types::file::{AudioFile, FileType, TaggedFile};
 use crate::types::properties::FileProperties;
 use crate::types::tag::{Tag, TagType};
 
 use std::io::{Read, Seek};
 
+// Exports
+
+crate::macros::feature_locked! {
+	#![cfg(feature = "ape")]
+
+	pub(crate) mod tag;
+	pub use tag::ape_tag::ApeTag;
+	pub use tag::item::ApeItem;
+
+	pub use crate::types::picture::APE_PICTURE_TYPES;
+}
+
+pub use properties::ApeProperties;
+
 /// An APE file
 pub struct ApeFile {
 	#[cfg(feature = "id3v1")]
@@ -106,12 +112,14 @@ impl AudioFile for ApeFile {
 }
 
 impl ApeFile {
-	tag_methods! {
-		#[cfg(feature = "id3v2")];
+	crate::macros::tag_methods! {
+		#[cfg(feature = "id3v2")]
 		id3v2_tag, Id3v2Tag;
-		#[cfg(feature = "id3v1")];
+
+		#[cfg(feature = "id3v1")]
 		id3v1_tag, Id3v1Tag;
-		#[cfg(feature = "ape")];
+
+		#[cfg(feature = "ape")]
 		ape_tag, ApeTag
 	}
 }

src/ape/read.rs

@@ -1,8 +1,8 @@
 use super::constants::APE_PREAMBLE;
+use super::header::read_ape_header;
 #[cfg(feature = "ape")]
 use super::tag::{ape_tag::ApeTag, read::read_ape_tag};
 use super::{ApeFile, ApeProperties};
-use crate::ape::tag::read_ape_header;
 use crate::error::{FileDecodingError, Result};
 #[cfg(feature = "id3v1")]
 use crate::id3::v1::tag::Id3v1Tag;

src/ape/tag/ape_tag.rs

@@ -278,8 +278,8 @@ impl<'a> Into<ApeTagRef<'a>> for &'a ApeTag {
 mod tests {
 	use crate::ape::{ApeItem, ApeTag};
 	use crate::{ItemValue, Tag, TagIO, TagType};
+	use crate::ape::header::read_ape_header;
 
-	use crate::ape::tag::read_ape_header;
 	use std::io::Cursor;
 
 	#[test]

src/ape/tag/mod.rs

@@ -1,67 +1,4 @@
-#[cfg(feature = "ape")]
 pub(crate) mod ape_tag;
-#[cfg(feature = "ape")]
 pub(crate) mod item;
-#[cfg(feature = "ape")]
 pub(crate) mod read;
-#[cfg(feature = "ape")]
-mod write;
-
-use crate::error::{FileDecodingError, Result};
-use crate::types::file::FileType;
-
-use std::io::{Read, Seek, SeekFrom};
-use std::ops::Neg;
-
-use byteorder::{LittleEndian, ReadBytesExt};
-
-#[derive(Copy, Clone)]
-pub(crate) struct ApeHeader {
-	pub(crate) size: u32,
-	#[cfg(feature = "ape")]
-	pub(crate) item_count: u32,
-}
-
-pub(crate) fn read_ape_header<R>(data: &mut R, footer: bool) -> Result<ApeHeader>
-where
-	R: Read + Seek,
-{
-	let version = data.read_u32::<LittleEndian>()?;
-
-	let mut size = data.read_u32::<LittleEndian>()?;
-
-	if size < 32 {
-		// If the size is < 32, something went wrong during encoding
-		// The size includes the footer and all items
-		return Err(
-			FileDecodingError::new(FileType::APE, "APE tag has an invalid size (< 32)").into(),
-		);
-	}
-
-	#[cfg(feature = "ape")]
-	let item_count = data.read_u32::<LittleEndian>()?;
-
-	#[cfg(not(feature = "ape"))]
-	data.seek(SeekFrom::Current(4))?;
-
-	if footer {
-		// No point in reading the rest of the footer, just seek back to the end of the header
-		data.seek(SeekFrom::Current(i64::from(size - 12).neg()))?;
-	} else {
-		// There are 12 bytes remaining in the header
-		// Flags (4)
-		// Reserved (8)
-		data.seek(SeekFrom::Current(12))?;
-	}
-
-	// Version 1 doesn't include a header
-	if version == 2000 {
-		size += 32
-	}
-
-	Ok(ApeHeader {
-		size,
-		#[cfg(feature = "ape")]
-		item_count,
-	})
-}
+mod write;

src/ape/tag/read.rs

@@ -1,6 +1,6 @@
 use super::ape_tag::ApeTag;
 use super::item::ApeItem;
-use super::ApeHeader;
+use crate::ape::header::ApeHeader;
 use crate::ape::constants::INVALID_KEYS;
 use crate::error::{FileDecodingError, Result};
 use crate::types::file::FileType;

src/ape/tag/write.rs

@@ -6,11 +6,11 @@ use crate::id3::{find_id3v1, find_id3v2, find_lyrics3v2};
 use crate::probe::Probe;
 use crate::types::file::FileType;
 use crate::types::item::ItemValueRef;
+use crate::ape::header::read_ape_header;
 
 use std::fs::File;
 use std::io::{Cursor, Read, Seek, SeekFrom, Write};
 
-use crate::ape::tag::read_ape_header;
 use byteorder::{LittleEndian, WriteBytesExt};
 
 #[allow(clippy::shadow_unrelated)]

src/id3/v1/mod.rs

@@ -15,12 +15,15 @@
 //! A track number of 0 will be treated as an empty field.
 //! Additionally, there is no track total field.
 pub(crate) mod constants;
-#[cfg(feature = "id3v1")]
-pub(crate) mod read;
-#[cfg(feature = "id3v1")]
-pub(crate) mod tag;
-#[cfg(feature = "id3v1")]
-pub(crate) mod write;
 
-#[cfg(feature = "id3v1")]
-pub use crate::id3::v1::{constants::GENRES, tag::Id3v1Tag};
+crate::macros::feature_locked! {
+	#![cfg(feature = "id3v1")]
+
+	pub use constants::GENRES;
+
+	pub(crate) mod tag;
+	pub use tag::Id3v1Tag;
+
+	pub(crate) mod read;
+	pub(crate) mod write;
+}

src/id3/v2/mod.rs

@@ -8,51 +8,52 @@
 //! * [Frame]
 
 mod flags;
-#[cfg(feature = "id3v2")]
-mod frame;
-#[cfg(feature = "id3v2")]
-mod items;
-#[cfg(feature = "id3v2")]
-pub(crate) mod read;
-#[cfg(feature = "id3v2_restrictions")]
-mod restrictions;
-#[cfg(feature = "id3v2")]
-pub(crate) mod tag;
 pub(crate) mod util;
-#[cfg(feature = "id3v2")]
-pub(crate) mod write;
-
-#[cfg(feature = "id3v2_restrictions")]
-pub use restrictions::{
-	ImageSizeRestrictions, TagRestrictions, TagSizeRestrictions, TextSizeRestrictions,
-};
-#[cfg(feature = "id3v2")]
-pub use {
-	flags::Id3v2TagFlags,
-	frame::{
-		content::EncodedTextFrame, content::LanguageFrame, id::FrameID, Frame, FrameFlags,
-		FrameValue,
-	},
-	items::{
-		encapsulated_object::{GEOBInformation, GeneralEncapsulatedObject},
-		sync_text::{SyncTextContentType, SyncTextInformation, SynchronizedText, TimestampFormat},
-	},
-	tag::Id3v2Tag,
-	util::{
-		text_utils::TextEncoding,
-		upgrade::{upgrade_v2, upgrade_v3},
-	},
-};
-
-#[cfg(not(feature = "id3v2"))]
-use flags::Id3v2TagFlags;
 
 use crate::error::{ErrorKind, Id3v2Error, Id3v2ErrorKind, LoftyError, Result};
+use crate::macros::feature_locked;
 
 use std::io::Read;
 
 use byteorder::{BigEndian, ByteOrder, ReadBytesExt};
 
+feature_locked! {
+	#![cfg(feature = "id3v2")]
+
+	pub use flags::Id3v2TagFlags;
+	pub use util::text_utils::TextEncoding;
+	pub use util::upgrade::{upgrade_v2, upgrade_v3};
+
+	pub(crate) mod tag;
+	pub use tag::Id3v2Tag;
+
+	mod items;
+	pub use items::encapsulated_object::{GEOBInformation, GeneralEncapsulatedObject};
+	pub use items::sync_text::{SyncTextContentType, SyncTextInformation, SynchronizedText, TimestampFormat};
+
+	mod frame;
+	pub use frame::content::{EncodedTextFrame, LanguageFrame};
+	pub use frame::id::FrameID;
+	pub use frame::Frame;
+	pub use frame::FrameFlags;
+	pub use frame::FrameValue;
+
+	pub(crate) mod read;
+	pub(crate) mod write;
+}
+
+feature_locked! {
+	#![cfg(feature = "id3v2_restrictions")]
+
+	mod restrictions;
+	pub use restrictions::{
+		ImageSizeRestrictions, TagRestrictions, TagSizeRestrictions, TextSizeRestrictions,
+	};
+}
+
+#[cfg(not(feature = "id3v2"))]
+use flags::Id3v2TagFlags;
+
 #[derive(PartialEq, Debug, Clone, Copy)]
 /// The ID3v2 version
 pub enum Id3v2Version {

src/iff/aiff/mod.rs

@@ -1,21 +1,23 @@
 mod properties;
 mod read;
-#[cfg(feature = "aiff_text_chunks")]
-pub(crate) mod tag;
 pub(crate) mod write;
 
 use crate::error::Result;
 #[cfg(feature = "id3v2")]
 use crate::id3::v2::tag::Id3v2Tag;
-use crate::tag_utils::tag_methods;
 use crate::types::file::{AudioFile, FileType, TaggedFile};
 use crate::types::properties::FileProperties;
 use crate::types::tag::{Tag, TagType};
-#[cfg(feature = "aiff_text_chunks")]
-use tag::AiffTextChunks;
 
 use std::io::{Read, Seek};
 
+crate::macros::feature_locked! {
+	#![cfg(feature = "aiff_text_chunks")]
+
+	pub(crate) mod tag;
+	use tag::AiffTextChunks;
+}
+
 /// An AIFF file
 pub struct AiffFile {
 	#[cfg(feature = "aiff_text_chunks")]
@@ -83,10 +85,11 @@ impl AudioFile for AiffFile {
 }
 
 impl AiffFile {
-	tag_methods! {
-		#[cfg(feature = "id3v2")];
+	crate::macros::tag_methods! {
+		#[cfg(feature = "id3v2")]
 		id3v2_tag, Id3v2Tag;
-		#[cfg(feature = "aiff_text_chunks")];
+
+		#[cfg(feature = "aiff_text_chunks")]
 		text_chunks, AiffTextChunks
 	}
 }

src/iff/mod.rs

@@ -3,10 +3,22 @@ pub(crate) mod aiff;
 pub(crate) mod chunk;
 pub(crate) mod wav;
 
+use crate::macros::feature_locked;
+
+// Exports
+
 pub use aiff::AiffFile;
 pub use wav::{WavFile, WavFormat, WavProperties};
 
-#[cfg(feature = "aiff_text_chunks")]
-pub use aiff::tag::{AiffTextChunks, Comment};
-#[cfg(feature = "riff_info_list")]
-pub use wav::tag::RiffInfoList;
+feature_locked! {
+	#![cfg(feature = "aiff_text_chunks")]
+
+	pub use aiff::tag::AiffTextChunks;
+	pub use aiff::tag::Comment;
+}
+
+feature_locked! {
+	#![cfg(feature = "riff_info_list")]
+
+	pub use wav::tag::RiffInfoList;
+}

src/iff/wav/mod.rs

@@ -1,23 +1,26 @@
 mod properties;
 mod read;
-#[cfg(feature = "riff_info_list")]
-pub(crate) mod tag;
 pub(crate) mod write;
 
-pub use crate::iff::wav::properties::{WavFormat, WavProperties};
-
 use crate::error::Result;
 #[cfg(feature = "id3v2")]
 use crate::id3::v2::tag::Id3v2Tag;
-use crate::tag_utils::tag_methods;
 use crate::types::file::{AudioFile, FileType, TaggedFile};
 use crate::types::properties::FileProperties;
 use crate::types::tag::{Tag, TagType};
-#[cfg(feature = "riff_info_list")]
-use tag::RiffInfoList;
 
 use std::io::{Read, Seek};
 
+crate::macros::feature_locked! {
+	#![cfg(feature = "riff_info_list")]
+
+	pub(crate) mod tag;
+	use tag::RiffInfoList;
+}
+
+// Exports
+pub use crate::iff::wav::properties::{WavFormat, WavProperties};
+
 /// A WAV file
 pub struct WavFile {
 	#[cfg(feature = "riff_info_list")]
@@ -86,10 +89,11 @@ impl AudioFile for WavFile {
 }
 
 impl WavFile {
-	tag_methods! {
-		#[cfg(feature = "id3v2")];
+	crate::macros::tag_methods! {
+		#[cfg(feature = "id3v2")]
 		id3v2_tag, Id3v2Tag;
-		#[cfg(feature = "riff_info_list")];
+
+		#[cfg(feature = "riff_info_list")]
 		riff_info, RiffInfoList
 	}
 }

src/lib.rs

@@ -151,11 +151,13 @@
 	clippy::tabs_in_doc_comments,
 	clippy::len_without_is_empty
 )]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 pub mod ape;
 pub mod error;
 pub mod id3;
 pub mod iff;
+pub(crate) mod macros;
 pub mod mp3;
 pub mod mp4;
 pub mod ogg;

src/macros.rs

@@ -0,0 +1,45 @@
+macro_rules! tag_methods {
+	(
+		$(
+			$(#[cfg($meta:meta)])?
+			$name:ident,
+			$ty:ty
+		);*
+	) => {
+		paste::paste! {
+			$(
+				$(#[cfg($meta)])?
+				#[doc = "Gets the [`" $ty "`] if it exists"]
+				pub fn $name(&self) -> Option<&$ty> {
+					self.$name.as_ref()
+				}
+
+				$(#[cfg($meta)])?
+				#[doc = "Gets a mutable reference to the [`" $ty "`] if it exists"]
+				pub fn [<$name _mut>](&mut self) -> Option<&mut $ty> {
+					self.$name.as_mut()
+				}
+
+				$(#[cfg($meta)])?
+				#[doc = "Removes the [`" $ty "`]"]
+				pub fn [<remove_ $name>](&mut self) {
+					self.$name = None
+				}
+			)*
+		}
+	}
+}
+
+macro_rules! feature_locked {
+	(
+		#![cfg($meta:meta)]
+		$($item:item)+
+	) => {
+		$(
+			#[cfg($meta)]
+			$item
+		)+
+	}
+}
+
+pub(crate) use {feature_locked, tag_methods};

src/mp3/mod.rs

@@ -15,7 +15,6 @@ use crate::error::Result;
 use crate::id3::v1::tag::Id3v1Tag;
 #[cfg(feature = "id3v2")]
 use crate::id3::v2::tag::Id3v2Tag;
-use crate::tag_utils::tag_methods;
 use crate::types::file::{AudioFile, FileType, TaggedFile};
 use crate::types::properties::FileProperties;
 use crate::types::tag::{Tag, TagType};
@@ -100,12 +99,14 @@ impl AudioFile for Mp3File {
 }
 
 impl Mp3File {
-	tag_methods! {
-		#[cfg(feature = "id3v2")];
+	crate::macros::tag_methods! {
+		#[cfg(feature = "id3v2")]
 		id3v2_tag, Id3v2Tag;
-		#[cfg(feature = "id3v1")];
+
+		#[cfg(feature = "id3v1")]
 		id3v1_tag, Id3v1Tag;
-		#[cfg(feature = "ape")];
+
+		#[cfg(feature = "ape")]
 		ape_tag, ApeTag
 	}
 }

src/mp3/read.rs

@@ -1,9 +1,9 @@
 use super::header::{search_for_frame_sync, Header, XingHeader};
 use super::{Mp3File, Mp3Properties};
 use crate::ape::constants::APE_PREAMBLE;
+use crate::ape::header::read_ape_header;
 #[cfg(feature = "ape")]
 use crate::ape::tag::read::read_ape_tag;
-use crate::ape::tag::read_ape_header;
 use crate::error::{FileDecodingError, Result};
 #[cfg(feature = "id3v2")]
 use crate::id3::v2::read::parse_id3v2;

src/mp4/mod.rs

@@ -4,29 +4,31 @@
 //!
 //! The only supported tag format is [`Ilst`].
 mod atom_info;
-#[cfg(feature = "mp4_ilst")]
-pub(crate) mod ilst;
 mod moov;
 mod properties;
 mod read;
 mod trak;
 
-pub use crate::mp4::properties::{Mp4Codec, Mp4Properties};
-#[cfg(feature = "mp4_ilst")]
-pub use crate::mp4::{
-	atom_info::AtomIdent,
-	ilst::{
-		atom::{Atom, AtomData},
-		Ilst,
-	},
-};
-
-use crate::tag_utils::tag_methods;
+use crate::error::Result;
 use crate::types::file::{AudioFile, FileType, TaggedFile};
-use crate::{FileProperties, Result, TagType};
+use crate::types::properties::FileProperties;
+use crate::types::tag::TagType;
 
 use std::io::{Read, Seek};
 
+// Exports
+
+crate::macros::feature_locked! {
+	#![cfg(feature = "mp4_ilst")]
+	pub(crate) mod ilst;
+
+	pub use atom_info::AtomIdent;
+	pub use ilst::atom::{Atom, AtomData};
+	pub use ilst::Ilst;
+}
+
+pub use crate::mp4::properties::{Mp4Codec, Mp4Properties};
+
 /// An MP4 file
 pub struct Mp4File {
 	/// The file format from ftyp's "major brand" (Ex. "M4A ")
@@ -97,8 +99,8 @@ impl Mp4File {
 }
 
 impl Mp4File {
-	tag_methods! {
-		#[cfg(feature = "mp4_ilst")];
+	crate::macros::tag_methods! {
+		#[cfg(feature = "mp4_ilst")]
 		ilst, Ilst
 	}
 }

src/ogg/flac/mod.rs

@@ -7,7 +7,6 @@ pub(crate) mod write;
 #[cfg(feature = "vorbis_comments")]
 use super::tag::VorbisComments;
 use crate::error::Result;
-use crate::tag_utils::tag_methods;
 use crate::types::file::{AudioFile, FileType, TaggedFile};
 use crate::types::properties::FileProperties;
 use crate::types::tag::TagType;
@@ -73,8 +72,8 @@ impl AudioFile for FlacFile {
 }
 
 impl FlacFile {
-	tag_methods! {
-		#[cfg(feature = "vorbis_comments")];
+	crate::macros::tag_methods! {
+		#[cfg(feature = "vorbis_comments")]
 		vorbis_comments, VorbisComments
 	}
 }

src/ogg/mod.rs

@@ -8,32 +8,33 @@ pub(crate) mod flac;
 pub(crate) mod opus;
 pub(crate) mod read;
 pub(crate) mod speex;
-#[cfg(feature = "vorbis_comments")]
-pub(crate) mod tag;
 pub(crate) mod vorbis;
-#[cfg(feature = "vorbis_comments")]
-pub(crate) mod write;
 
 use crate::error::{FileDecodingError, Result};
 use crate::types::file::FileType;
 
-// Exports
-
-#[cfg(feature = "vorbis_comments")]
-pub use crate::ogg::tag::VorbisComments;
-
-pub use crate::ogg::flac::FlacFile;
-pub use crate::ogg::opus::properties::OpusProperties;
-pub use crate::ogg::opus::OpusFile;
-pub use crate::ogg::speex::properties::SpeexProperties;
-pub use crate::ogg::speex::SpeexFile;
-pub use crate::ogg::vorbis::properties::VorbisProperties;
-pub use crate::ogg::vorbis::VorbisFile;
-
 use std::io::{Read, Seek};
 
 use ogg_pager::Page;
 
+// Exports
+
+crate::macros::feature_locked! {
+	#![cfg(feature = "vorbis_comments")]
+	pub(crate) mod write;
+
+	pub(crate) mod tag;
+	pub use tag::VorbisComments;
+}
+
+pub use flac::FlacFile;
+pub use opus::properties::OpusProperties;
+pub use opus::OpusFile;
+pub use speex::properties::SpeexProperties;
+pub use speex::SpeexFile;
+pub use vorbis::properties::VorbisProperties;
+pub use vorbis::VorbisFile;
+
 pub(self) fn verify_signature(page: &Page, sig: &[u8]) -> Result<()> {
 	let sig_len = sig.len();
 

src/tag_utils.rs

@@ -75,40 +75,6 @@ pub(crate) fn dump_tag<W: Write>(tag: &Tag, writer: &mut W) -> Result<()> {
 	}
 }
 
-macro_rules! tag_methods {
-	(
-		$(
-			$(#[$attr:meta])?;
-			$name:ident,
-			$ty:ty
-		);*
-	) => {
-		paste::paste! {
-			$(
-				$(#[$attr])?
-				#[doc = "Gets the [`" $ty "`] if it exists"]
-				pub fn $name(&self) -> Option<&$ty> {
-					self.$name.as_ref()
-				}
-
-				$(#[$attr])?
-				#[doc = "Gets a mutable reference to the [`" $ty "`] if it exists"]
-				pub fn [<$name _mut>](&mut self) -> Option<&mut $ty> {
-					self.$name.as_mut()
-				}
-
-				$(#[$attr])?
-				#[doc = "Removes the [`" $ty "`]"]
-				pub fn [<remove_ $name>](&mut self) {
-					self.$name = None
-				}
-			)*
-		}
-	}
-}
-
-pub(crate) use tag_methods;
-
 #[cfg(test)]
 // Used for tag conversion tests
 pub(crate) mod test_utils {

src/types/picture.rs

@@ -110,7 +110,7 @@ impl MimeType {
 	}
 }
 
-/// The picture type
+/// The picture type, according to ID3v2 APIC
 #[allow(missing_docs)]
 #[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
 pub enum PictureType {
@@ -141,8 +141,8 @@ pub enum PictureType {
 impl PictureType {
 	// ID3/OGG specific methods
 
-	/// Get a u8 from a `PictureType` according to ID3v2 APIC
 	#[cfg(any(feature = "id3v2", feature = "vorbis_comments"))]
+	/// Get a u8 from a `PictureType` according to ID3v2 APIC
 	pub fn as_u8(&self) -> u8 {
 		match self {
 			Self::Other => 0,
@@ -170,8 +170,8 @@ impl PictureType {
 		}
 	}
 
-	/// Get a `PictureType` from a u8 according to ID3v2 APIC
 	#[cfg(any(feature = "id3v2", feature = "vorbis_comments"))]
+	/// Get a `PictureType` from a u8 according to ID3v2 APIC
 	pub fn from_u8(bytes: u8) -> Self {
 		match bytes {
 			0 => Self::Other,
@@ -201,8 +201,8 @@ impl PictureType {
 
 	// APE specific methods
 
-	/// Get an APE item key from a `PictureType`
 	#[cfg(feature = "ape")]
+	/// Get an APE item key from a `PictureType`
 	pub fn as_ape_key(&self) -> Option<&str> {
 		match self {
 			Self::Other => Some("Cover Art (Other)"),
@@ -230,8 +230,8 @@ impl PictureType {
 		}
 	}
 
-	/// Get a `PictureType` from an APE item key
 	#[cfg(feature = "ape")]
+	/// Get a `PictureType` from an APE item key
 	pub fn from_ape_key(key: &str) -> Self {
 		match key {
 			"Cover Art (Other)" => Self::Other,