internalize signed_decimal_floating_point #9

src/tags/shared/start.rs

@@ -19,24 +19,36 @@ impl ExtXStart {
     pub(crate) const PREFIX: &'static str = "#EXT-X-START:";
 
     /// Makes a new `ExtXStart` tag.
-    pub const fn new(time_offset: SignedDecimalFloatingPoint) -> Self {
+    /// # Panic
+    /// Panics if the time_offset value is infinite.
+    pub fn new(time_offset: f64) -> Self {
+        if time_offset.is_infinite() {
+            panic!("EXT-X-START: Floating point value must be finite!");
+        }
+
         ExtXStart {
-            time_offset,
+            time_offset: SignedDecimalFloatingPoint::new(time_offset).unwrap(),
             precise: false,
         }
     }
 
     /// Makes a new `ExtXStart` tag with the given `precise` flag.
-    pub const fn with_precise(time_offset: SignedDecimalFloatingPoint, precise: bool) -> Self {
+    /// # Panic
+    /// Panics if the time_offset value is infinite.
+    pub fn with_precise(time_offset: f64, precise: bool) -> Self {
+        if time_offset.is_infinite() {
+            panic!("EXT-X-START: Floating point value must be finite!");
+        }
+
         ExtXStart {
-            time_offset,
+            time_offset: SignedDecimalFloatingPoint::new(time_offset).unwrap(),
             precise,
         }
     }
 
     /// Returns the time offset of the media segments in the playlist.
-    pub const fn time_offset(&self) -> SignedDecimalFloatingPoint {
-        self.time_offset
+    pub const fn time_offset(&self) -> f64 {
+        self.time_offset.as_f64()
     }
 
     /// Returns whether clients should not render media stream whose presentation times are
@@ -97,13 +109,13 @@ mod test {
 
     #[test]
     fn ext_x_start() {
-        let tag = ExtXStart::new(SignedDecimalFloatingPoint::new(-1.23).unwrap());
+        let tag = ExtXStart::new(-1.23);
         let text = "#EXT-X-START:TIME-OFFSET=-1.23";
         assert_eq!(text.parse().ok(), Some(tag));
         assert_eq!(tag.to_string(), text);
         assert_eq!(tag.requires_version(), ProtocolVersion::V1);
 
-        let tag = ExtXStart::with_precise(SignedDecimalFloatingPoint::new(1.23).unwrap(), true);
+        let tag = ExtXStart::with_precise(1.23, true);
         let text = "#EXT-X-START:TIME-OFFSET=1.23,PRECISE=YES";
         assert_eq!(text.parse().ok(), Some(tag));
         assert_eq!(tag.to_string(), text);

src/types/hexadecimal_sequence.rs

@@ -1,72 +0,0 @@
-use std::fmt;
-use std::ops::Deref;
-use std::str::FromStr;
-
-use crate::Error;
-
-/// Hexadecimal sequence.
-///
-/// See: [4.2. Attribute Lists]
-///
-/// [4.2. Attribute Lists]: https://tools.ietf.org/html/rfc8216#section-4.2
-#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-pub struct HexadecimalSequence(Vec<u8>);
-
-impl HexadecimalSequence {
-    /// Makes a new `HexadecimalSequence` instance.
-    pub fn new<T: Into<Vec<u8>>>(v: T) -> Self {
-        HexadecimalSequence(v.into())
-    }
-
-    /// Converts into the underlying byte sequence.
-    pub fn into_bytes(self) -> Vec<u8> {
-        self.0
-    }
-}
-
-impl Deref for HexadecimalSequence {
-    type Target = [u8];
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
-impl AsRef<[u8]> for HexadecimalSequence {
-    fn as_ref(&self) -> &[u8] {
-        &self.0
-    }
-}
-
-impl fmt::Display for HexadecimalSequence {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "0x")?;
-        for b in &self.0 {
-            write!(f, "{:02x}", b)?;
-        }
-        Ok(())
-    }
-}
-
-impl FromStr for HexadecimalSequence {
-    type Err = Error;
-
-    fn from_str(input: &str) -> Result<Self, Self::Err> {
-        if !(input.starts_with("0x") || input.starts_with("0X")) {
-            return Err(Error::invalid_input());
-        }
-
-        if input.len() % 2 != 0 {
-            return Err(Error::invalid_input());
-        }
-
-        let mut result = Vec::with_capacity(input.len() / 2 - 1);
-
-        for c in input.as_bytes().chunks(2).skip(1) {
-            let d = String::from_utf8(c.to_vec()).map_err(|e| Error::custom(e))?;
-            let b = u8::from_str_radix(d.as_str(), 16)?;
-            result.push(b);
-        }
-
-        Ok(HexadecimalSequence(result))
-    }
-}

src/types/mod.rs

@@ -5,7 +5,6 @@ mod decimal_floating_point;
 mod decimal_resolution;
 mod encryption_method;
 mod hdcp_level;
-mod hexadecimal_sequence;
 mod in_stream_id;
 mod initialization_vector;
 mod media_type;
@@ -18,9 +17,8 @@ pub(crate) use decimal_floating_point::*;
 pub(crate) use decimal_resolution::*;
 pub use encryption_method::*;
 pub use hdcp_level::*;
-pub use hexadecimal_sequence::*;
 pub use in_stream_id::*;
 pub(crate) use initialization_vector::*;
 pub use media_type::*;
 pub use protocol_version::*;
-pub use signed_decimal_floating_point::*;
+pub(crate) use signed_decimal_floating_point::*;

src/types/playlist_type.rs

@@ -1 +0,0 @@
-

src/types/protocol_version.rs

@@ -19,14 +19,16 @@ pub enum ProtocolVersion {
 }
 impl fmt::Display for ProtocolVersion {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        let n = match *self {
-            ProtocolVersion::V1 => 1,
-            ProtocolVersion::V2 => 2,
-            ProtocolVersion::V3 => 3,
-            ProtocolVersion::V4 => 4,
-            ProtocolVersion::V5 => 5,
-            ProtocolVersion::V6 => 6,
-            ProtocolVersion::V7 => 7,
+        let n = {
+            match &self {
+                ProtocolVersion::V1 => 1,
+                ProtocolVersion::V2 => 2,
+                ProtocolVersion::V3 => 3,
+                ProtocolVersion::V4 => 4,
+                ProtocolVersion::V5 => 5,
+                ProtocolVersion::V6 => 6,
+                ProtocolVersion::V7 => 7,
+            }
         };
         write!(f, "{}", n)
     }
@@ -35,15 +37,17 @@ impl FromStr for ProtocolVersion {
     type Err = Error;
 
     fn from_str(input: &str) -> Result<Self, Self::Err> {
-        Ok(match input {
-            "1" => ProtocolVersion::V1,
-            "2" => ProtocolVersion::V2,
-            "3" => ProtocolVersion::V3,
-            "4" => ProtocolVersion::V4,
-            "5" => ProtocolVersion::V5,
-            "6" => ProtocolVersion::V6,
-            "7" => ProtocolVersion::V7,
-            _ => return Err(Error::unknown_protocol_version(input)),
+        Ok({
+            match input {
+                "1" => ProtocolVersion::V1,
+                "2" => ProtocolVersion::V2,
+                "3" => ProtocolVersion::V3,
+                "4" => ProtocolVersion::V4,
+                "5" => ProtocolVersion::V5,
+                "6" => ProtocolVersion::V6,
+                "7" => ProtocolVersion::V7,
+                _ => return Err(Error::unknown_protocol_version(input)),
+            }
         })
     }
 }

src/types/signed_decimal_floating_point.rs

@@ -9,7 +9,7 @@ use crate::Error;
 ///
 /// [4.2. Attribute Lists]: https://tools.ietf.org/html/rfc8216#section-4.2
 #[derive(Debug, Clone, Copy, PartialEq, PartialOrd)]
-pub struct SignedDecimalFloatingPoint(f64);
+pub(crate) struct SignedDecimalFloatingPoint(f64);
 
 impl SignedDecimalFloatingPoint {
     /// Makes a new `SignedDecimalFloatingPoint` instance.