internalize ExtXDiscontinuitySequence

src/tags/media_playlist/discontinuity_sequence.rs

@@ -1,50 +1,19 @@
 use std::fmt;
 use std::str::FromStr;
 
-use shorthand::ShortHand;
-
 use crate::types::ProtocolVersion;
 use crate::utils::tag;
-use crate::Error;
+use crate::{Error, RequiredVersion};
-use crate::RequiredVersion;
 
 /// Allows synchronization between different renditions of the same
 /// [`VariantStream`].
 ///
 /// [`VariantStream`]: crate::tags::VariantStream
-#[derive(ShortHand, Default, Debug, Clone, Copy, PartialEq, Eq, Hash, Ord, PartialOrd)]
+#[derive(Default, Debug, Clone, Copy, PartialEq, Eq, Ord, PartialOrd, Hash)]
-#[shorthand(enable(must_use))]
+pub(crate) struct ExtXDiscontinuitySequence(pub usize);
-pub struct ExtXDiscontinuitySequence {
-    /// Returns the discontinuity sequence number of
-    /// the first [`MediaSegment`] that appears in the associated playlist.
-    ///
-    /// # Example
-    ///
-    /// ```
-    /// # use hls_m3u8::tags::ExtXDiscontinuitySequence;
-    /// let mut discontinuity_sequence = ExtXDiscontinuitySequence::new(5);
-    ///
-    /// discontinuity_sequence.set_seq_num(10);
-    /// assert_eq!(discontinuity_sequence.seq_num(), 10);
-    /// ```
-    ///
-    /// [`MediaSegment`]: crate::MediaSegment
-    seq_num: u64,
-}
 
 impl ExtXDiscontinuitySequence {
     pub(crate) const PREFIX: &'static str = "#EXT-X-DISCONTINUITY-SEQUENCE:";
-
-    /// Makes a new [`ExtXDiscontinuitySequence`] tag.
-    ///
-    /// # Example
-    ///
-    /// ```
-    /// # use hls_m3u8::tags::ExtXDiscontinuitySequence;
-    /// let discontinuity_sequence = ExtXDiscontinuitySequence::new(5);
-    /// ```
-    #[must_use]
-    pub const fn new(seq_num: u64) -> Self { Self { seq_num } }
 }
 
 /// This tag requires [`ProtocolVersion::V1`].
@@ -55,7 +24,7 @@ impl RequiredVersion for ExtXDiscontinuitySequence {
 impl fmt::Display for ExtXDiscontinuitySequence {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         //
-        write!(f, "{}{}", Self::PREFIX, self.seq_num)
+        write!(f, "{}{}", Self::PREFIX, self.0)
     }
 }
 
@@ -66,7 +35,7 @@ impl FromStr for ExtXDiscontinuitySequence {
         let input = tag(input, Self::PREFIX)?;
         let seq_num = input.parse().map_err(|e| Error::parse_int(input, e))?;
 
-        Ok(Self::new(seq_num))
+        Ok(Self(seq_num))
     }
 }
 
@@ -78,7 +47,7 @@ mod test {
     #[test]
     fn test_display() {
         assert_eq!(
-            ExtXDiscontinuitySequence::new(123).to_string(),
+            ExtXDiscontinuitySequence(123).to_string(),
             "#EXT-X-DISCONTINUITY-SEQUENCE:123".to_string()
         );
     }
@@ -86,7 +55,7 @@ mod test {
     #[test]
     fn test_required_version() {
         assert_eq!(
-            ExtXDiscontinuitySequence::new(123).required_version(),
+            ExtXDiscontinuitySequence(123).required_version(),
             ProtocolVersion::V1
         )
     }
@@ -94,7 +63,7 @@ mod test {
     #[test]
     fn test_parser() {
         assert_eq!(
-            ExtXDiscontinuitySequence::new(123),
+            ExtXDiscontinuitySequence(123),
             "#EXT-X-DISCONTINUITY-SEQUENCE:123".parse().unwrap()
         );
 
@@ -103,12 +72,4 @@ mod test {
             Err(Error::parse_int("12A", "12A".parse::<u64>().expect_err("")))
         );
     }
-
-    #[test]
-    fn test_seq_num() {
-        let mut sequence = ExtXDiscontinuitySequence::new(123);
-        assert_eq!(sequence.seq_num(), 123);
-        sequence.set_seq_num(1);
-        assert_eq!(sequence.seq_num(), 1);
-    }
 }

src/tags/media_playlist/mod.rs

@@ -5,7 +5,7 @@ mod media_sequence;
 mod playlist_type;
 mod target_duration;
 
-pub use discontinuity_sequence::*;
+pub(crate) use discontinuity_sequence::*;
 pub(crate) use end_list::*;
 pub(crate) use i_frames_only::*;
 pub use playlist_type::*;