mirror of
https://github.com/sile/hls_m3u8.git
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61 lines
1.5 KiB
Rust
61 lines
1.5 KiB
Rust
use std::convert::TryFrom;
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use std::fmt;
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use crate::types::ProtocolVersion;
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use crate::utils::tag;
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use crate::{Error, RequiredVersion};
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/// The `ExtXDiscontinuity` tag indicates a discontinuity between the
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/// `MediaSegment` that follows it and the one that preceded it.
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
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pub(crate) struct ExtXDiscontinuity;
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impl ExtXDiscontinuity {
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pub(crate) const PREFIX: &'static str = "#EXT-X-DISCONTINUITY";
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}
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/// This tag requires [`ProtocolVersion::V1`].
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impl RequiredVersion for ExtXDiscontinuity {
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fn required_version(&self) -> ProtocolVersion { ProtocolVersion::V1 }
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}
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impl fmt::Display for ExtXDiscontinuity {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { Self::PREFIX.fmt(f) }
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}
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impl TryFrom<&str> for ExtXDiscontinuity {
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type Error = Error;
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fn try_from(input: &str) -> Result<Self, Self::Error> {
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tag(input, Self::PREFIX)?;
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Ok(Self)
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}
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}
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#[cfg(test)]
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mod test {
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use super::*;
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use pretty_assertions::assert_eq;
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#[test]
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fn test_display() {
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assert_eq!(
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ExtXDiscontinuity.to_string(),
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"#EXT-X-DISCONTINUITY".to_string(),
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)
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}
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#[test]
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fn test_parser() {
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assert_eq!(
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ExtXDiscontinuity,
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ExtXDiscontinuity::try_from("#EXT-X-DISCONTINUITY").unwrap()
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)
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}
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#[test]
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fn test_required_version() {
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assert_eq!(ExtXDiscontinuity.required_version(), ProtocolVersion::V1)
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}
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}
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