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Merge pull request #2 from dholroyd/optional-start-date

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Make START-DATE optional.
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Lucas 2020-04-08 15:14:42 +02:00 committed by GitHub
commit c6b1732c26
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1 changed files with 32 additions and 21 deletions
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53
src/tags/media_segment/date_range.rs
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@ -38,17 +38,25 @@ pub struct ExtXDateRange {
/// ///
/// ## Note /// ## Note
/// ///
/// This field is required. /// This field is required by the spec wording, but optional in examples
/// elsewhere in the same document. Some implementations omit it in
/// practise (e.g. for SCTE 'explicit-IN' markers) so it is optional
/// here.
#[cfg(feature = "chrono")] #[cfg(feature = "chrono")]
#[shorthand(enable(copy), disable(into))] #[shorthand(enable(copy), disable(into))]
start_date: DateTime<FixedOffset>, #[builder(setter(strip_option), default)]
start_date: Option<DateTime<FixedOffset>>,
/// The date at which the [`ExtXDateRange`] begins. /// The date at which the [`ExtXDateRange`] begins.
/// ///
/// ## Note /// ## Note
/// ///
/// This field is required. /// This field is required by the spec wording, but optional in examples
/// elsewhere in the same document. Some implementations omit it in
/// practise (e.g. for SCTE 'explicit-IN' markers) so it is optional
/// here.
#[cfg(not(feature = "chrono"))] #[cfg(not(feature = "chrono"))]
start_date: String, #[builder(setter(strip_option), default)]
start_date: Option<String>,
/// The date at which the [`ExtXDateRange`] ends. It must be equal to or /// The date at which the [`ExtXDateRange`] ends. It must be equal to or
/// later than the value of the [`start-date`] attribute. /// later than the value of the [`start-date`] attribute.
/// ///
@ -238,9 +246,9 @@ let date_range = ExtXDateRange::new("id", "2010-02-19T14:54:23.031+08:00");
id: id.into(), id: id.into(),
class: None, class: None,
#[cfg(feature = "chrono")] #[cfg(feature = "chrono")]
start_date, start_date: Some(start_date),
#[cfg(not(feature = "chrono"))] #[cfg(not(feature = "chrono"))]
start_date: start_date.into(), start_date: Some(start_date.into()),
end_date: None, end_date: None,
duration: None, duration: None,
planned_duration: None, planned_duration: None,
@ -401,7 +409,6 @@ impl FromStr for ExtXDateRange {
} }
let id = id.ok_or_else(|| Error::missing_value("ID"))?; let id = id.ok_or_else(|| Error::missing_value("ID"))?;
let start_date = start_date.ok_or_else(|| Error::missing_value("START-DATE"))?;
if end_on_next && class.is_none() { if end_on_next && class.is_none() {
return Err(Error::missing_attribute("CLASS")); return Err(Error::missing_attribute("CLASS"));
@ -415,9 +422,11 @@ impl FromStr for ExtXDateRange {
// https://tools.ietf.org/html/rfc8216#section-4.3.2.7 // https://tools.ietf.org/html/rfc8216#section-4.3.2.7
#[cfg(feature = "chrono")] #[cfg(feature = "chrono")]
{ {
if let (Some(Ok(duration)), Some(end_date)) = if let (Some(start_date), Some(Ok(duration)), Some(end_date)) = (
(duration.map(chrono::Duration::from_std), &end_date) start_date,
{ duration.map(chrono::Duration::from_std),
&end_date,
) {
if start_date + duration != *end_date { if start_date + duration != *end_date {
return Err(Error::custom( return Err(Error::custom(
"end_date must be equal to start_date + duration", "end_date must be equal to start_date + duration",
@ -451,18 +460,20 @@ impl fmt::Display for ExtXDateRange {
write!(f, ",CLASS={}", quote(value))?; write!(f, ",CLASS={}", quote(value))?;
} }
#[cfg(feature = "chrono")] if let Some(value) = &self.start_date {
{ #[cfg(feature = "chrono")]
write!( {
f, write!(
",START-DATE={}", f,
quote(&self.start_date.to_rfc3339_opts(SecondsFormat::AutoSi, true)) ",START-DATE={}",
)?; quote(&value.to_rfc3339_opts(SecondsFormat::AutoSi, true))
} )?;
}
#[cfg(not(feature = "chrono"))] #[cfg(not(feature = "chrono"))]
{ {
write!(f, ",START-DATE={}", quote(&self.start_date))?; write!(f, ",START-DATE={}", quote(&value))?;
}
} }
if let Some(value) = &self.end_date { if let Some(value) = &self.end_date {