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64 lines
1.9 KiB
Rust
64 lines
1.9 KiB
Rust
use crate::types::{ProtocolVersion, SingleLineString};
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use crate::{Error, ErrorKind, Result};
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use std::fmt;
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use std::str::FromStr;
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/// [4.3.2.6. EXT-X-PROGRAM-DATE-TIME]
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///
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/// [4.3.2.6. EXT-X-PROGRAM-DATE-TIME]: https://tools.ietf.org/html/rfc8216#section-4.3.2.6
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#[derive(Debug, Clone, PartialEq, Eq, Hash)]
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pub struct ExtXProgramDateTime {
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date_time: SingleLineString,
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}
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impl ExtXProgramDateTime {
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pub(crate) const PREFIX: &'static str = "#EXT-X-PROGRAM-DATE-TIME:";
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/// Makes a new `ExtXProgramDateTime` tag.
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pub fn new(date_time: SingleLineString) -> Self {
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ExtXProgramDateTime { date_time }
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}
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/// Returns the date-time of the first sample of the associated media segment.
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pub fn date_time(&self) -> &SingleLineString {
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&self.date_time
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}
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/// Returns the protocol compatibility version that this tag requires.
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pub fn requires_version(&self) -> ProtocolVersion {
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ProtocolVersion::V1
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}
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}
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impl fmt::Display for ExtXProgramDateTime {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "{}{}", Self::PREFIX, self.date_time)
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}
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}
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impl FromStr for ExtXProgramDateTime {
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type Err = Error;
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fn from_str(s: &str) -> Result<Self> {
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track_assert!(s.starts_with(Self::PREFIX), ErrorKind::InvalidInput);
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let suffix = s.split_at(Self::PREFIX.len()).1;
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Ok(ExtXProgramDateTime {
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date_time: track!(SingleLineString::new(suffix))?,
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})
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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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#[test]
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fn ext_x_program_date_time() {
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let text = "#EXT-X-PROGRAM-DATE-TIME:2010-02-19T14:54:23.031+08:00";
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assert!(text.parse::<ExtXProgramDateTime>().is_ok());
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let tag = text.parse::<ExtXProgramDateTime>().unwrap();
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assert_eq!(tag.to_string(), text);
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assert_eq!(tag.requires_version(), ProtocolVersion::V1);
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}
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}
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