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hls_m3u8/src/tags/media_segment/date_range.rs
Luro02 3dad1277ca implemented ExtXDateRange
2019-10-06 16:37:14 +02:00

949 lines
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Rust
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use std::collections::BTreeMap;
use std::fmt;
use std::str::FromStr;
use std::time::Duration;
use chrono::{DateTime, FixedOffset, SecondsFormat};
use derive_builder::Builder;
use crate::attribute::AttributePairs;
use crate::types::{ProtocolVersion, Value};
use crate::utils::{quote, tag, unquote};
use crate::{Error, RequiredVersion};
/// # [4.3.2.7. EXT-X-DATERANGE]
///
/// [4.3.2.7. EXT-X-DATERANGE]: https://tools.ietf.org/html/rfc8216#section-4.3.2.7
#[derive(Builder, Debug, Clone, PartialEq)]
#[builder(setter(into))]
pub struct ExtXDateRange {
/// A string that uniquely identifies an [`ExtXDateRange`] in the Playlist.
///
/// # Note
/// This attribute is required.
id: String,
#[builder(setter(strip_option), default)]
/// A client-defined string that specifies some set of attributes and their
/// associated value semantics. All [`ExtXDateRange`]s with the same class
/// attribute value must adhere to these semantics.
///
/// # Note
/// This attribute is optional.
class: Option<String>,
/// The date at which the [`ExtXDateRange`] begins.
///
/// # Note
/// This attribute is required.
start_date: DateTime<FixedOffset>,
#[builder(setter(strip_option), default)]
/// The date at which the [`ExtXDateRange`] ends. It must be equal to or
/// later than the value of the [`start-date`] attribute.
///
/// # Note
/// This attribute is optional.
///
/// [`start-date`]: #method.start_date
end_date: Option<DateTime<FixedOffset>>,
#[builder(setter(strip_option), default)]
/// The duration of the [`ExtXDateRange`]. A single instant in time (e.g.,
/// crossing a finish line) should be represented with a duration of 0.
///
/// # Note
/// This attribute is optional.
duration: Option<Duration>,
#[builder(setter(strip_option), default)]
/// The expected duration of the [`ExtXDateRange`].
/// This attribute should be used to indicate the expected duration of a
/// [`ExtXDateRange`] whose actual duration is not yet known.
///
/// # Note
/// This attribute is optional.
planned_duration: Option<Duration>,
#[builder(setter(strip_option), default)]
/// https://tools.ietf.org/html/rfc8216#section-4.3.2.7.1
///
/// # Note
/// This attribute is optional.
scte35_cmd: Option<String>,
#[builder(setter(strip_option), default)]
/// https://tools.ietf.org/html/rfc8216#section-4.3.2.7.1
///
/// # Note
/// This attribute is optional.
scte35_out: Option<String>,
#[builder(setter(strip_option), default)]
/// https://tools.ietf.org/html/rfc8216#section-4.3.2.7.1
///
/// # Note
/// This attribute is optional.
scte35_in: Option<String>,
#[builder(default)]
/// This attribute indicates that the end of the range containing it is
/// equal to the [`start-date`] of its following range. The following range
/// is the [`ExtXDateRange`] of the same class, that has the earliest
/// [`start-date`] after the [`start-date`] of the range in question.
///
/// # Note
/// This attribute is optional.
end_on_next: bool,
#[builder(default)]
/// The "X-" prefix defines a namespace reserved for client-defined
/// attributes. The client-attribute must be a uppercase characters.
/// Clients should use a reverse-DNS syntax when defining their own
/// attribute names to avoid collisions. An example of a client-defined
/// attribute is `X-COM-EXAMPLE-AD-ID="XYZ123"`.
///
/// # Note
/// This attribute is optional.
client_attributes: BTreeMap<String, Value>,
}
impl ExtXDateRangeBuilder {
/// Inserts a key value pair.
pub fn insert_client_attribute<K: ToString, V: Into<Value>>(
&mut self,
key: K,
value: V,
) -> &mut Self {
if self.client_attributes.is_none() {
self.client_attributes = Some(BTreeMap::new());
}
if let Some(client_attributes) = &mut self.client_attributes {
client_attributes.insert(key.to_string(), value.into());
} else {
unreachable!();
}
self
}
}
impl ExtXDateRange {
pub(crate) const PREFIX: &'static str = "#EXT-X-DATERANGE:";
/// Makes a new [`ExtXDateRange`] tag.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// ```
pub fn new<T: ToString>(id: T, start_date: DateTime<FixedOffset>) -> Self {
Self {
id: id.to_string(),
class: None,
start_date,
end_date: None,
duration: None,
planned_duration: None,
scte35_cmd: None,
scte35_out: None,
scte35_in: None,
end_on_next: false,
client_attributes: BTreeMap::new(),
}
}
/// Returns a builder for [`ExtXDateRange`].
pub fn builder() -> ExtXDateRangeBuilder { ExtXDateRangeBuilder::default() }
/// A string that uniquely identifies an [`ExtXDateRange`] in the Playlist.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
///
/// assert_eq!(date_range.id(), &"id".to_string());
/// ```
pub const fn id(&self) -> &String { &self.id }
/// A string that uniquely identifies an [`ExtXDateRange`] in the Playlist.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
///
/// date_range.set_id("new_id");
/// assert_eq!(date_range.id(), &"new_id".to_string());
/// ```
pub fn set_id<T: ToString>(&mut self, value: T) -> &mut Self {
self.id = value.to_string();
self
}
/// A client-defined string that specifies some set of attributes and their
/// associated value semantics. All [`ExtXDateRange`]s with the same class
/// attribute value must adhere to these semantics.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.class(), &None);
///
/// date_range.set_class(Some("example_class"));
/// assert_eq!(date_range.class(), &Some("example_class".to_string()));
/// ```
pub const fn class(&self) -> &Option<String> { &self.class }
/// A client-defined string that specifies some set of attributes and their
/// associated value semantics. All [`ExtXDateRange`]s with the same class
/// attribute value must adhere to these semantics.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.class(), &None);
///
/// date_range.set_class(Some("example_class"));
/// assert_eq!(date_range.class(), &Some("example_class".to_string()));
/// ```
pub fn set_class<T: ToString>(&mut self, value: Option<T>) -> &mut Self {
self.class = value.map(|v| v.to_string());
self
}
/// The date at which the [`ExtXDateRange`] begins.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
///
/// assert_eq!(
/// date_range.start_date(),
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31)
/// );
/// ```
pub const fn start_date(&self) -> DateTime<FixedOffset> { self.start_date }
/// The date at which the [`ExtXDateRange`] begins.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
///
/// date_range.set_start_date(
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 10, 10)
/// .and_hms_milli(10, 10, 10, 10),
/// );
/// assert_eq!(
/// date_range.start_date(),
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 10, 10)
/// .and_hms_milli(10, 10, 10, 10)
/// );
/// ```
pub fn set_start_date<T>(&mut self, value: T) -> &mut Self
where
T: Into<DateTime<FixedOffset>>,
{
self.start_date = value.into();
self
}
/// The date at which the [`ExtXDateRange`] ends. It must be equal to or
/// later than the value of the [`start-date`] attribute.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.end_date(), None);
///
/// date_range.set_end_date(Some(
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 10, 10)
/// .and_hms_milli(10, 10, 10, 10),
/// ));
/// assert_eq!(
/// date_range.end_date(),
/// Some(
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 10, 10)
/// .and_hms_milli(10, 10, 10, 10)
/// )
/// );
/// ```
pub const fn end_date(&self) -> Option<DateTime<FixedOffset>> { self.end_date }
/// The date at which the [`ExtXDateRange`] ends. It must be equal to or
/// later than the value of the [`start-date`] attribute.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.end_date(), None);
///
/// date_range.set_end_date(Some(
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 10, 10)
/// .and_hms_milli(10, 10, 10, 10),
/// ));
/// assert_eq!(
/// date_range.end_date(),
/// Some(
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 10, 10)
/// .and_hms_milli(10, 10, 10, 10)
/// )
/// );
/// ```
pub fn set_end_date<T>(&mut self, value: Option<T>) -> &mut Self
where
T: Into<DateTime<FixedOffset>>,
{
self.end_date = value.map(Into::into);
self
}
/// The duration of the [`ExtXDateRange`]. A single instant in time (e.g.,
/// crossing a finish line) should be represented with a duration of 0.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
/// use std::time::Duration;
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.duration(), None);
///
/// date_range.set_duration(Some(Duration::from_secs_f64(1.234)));
/// assert_eq!(date_range.duration(), Some(Duration::from_secs_f64(1.234)));
/// ```
pub const fn duration(&self) -> Option<Duration> { self.duration }
/// The duration of the [`ExtXDateRange`]. A single instant in time (e.g.,
/// crossing a finish line) should be represented with a duration of 0.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
/// use std::time::Duration;
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.duration(), None);
///
/// date_range.set_duration(Some(Duration::from_secs_f64(1.234)));
/// assert_eq!(date_range.duration(), Some(Duration::from_secs_f64(1.234)));
/// ```
pub fn set_duration(&mut self, value: Option<Duration>) -> &mut Self {
self.duration = value;
self
}
/// The expected duration of the [`ExtXDateRange`].
/// This attribute should be used to indicate the expected duration of a
/// [`ExtXDateRange`] whose actual duration is not yet known.
/// The date at which the [`ExtXDateRange`] ends. It must be equal to or
/// later than the value of the [`start-date`] attribute.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
/// use std::time::Duration;
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.planned_duration(), None);
///
/// date_range.set_planned_duration(Some(Duration::from_secs_f64(1.2345)));
/// assert_eq!(
/// date_range.planned_duration(),
/// Some(Duration::from_secs_f64(1.2345))
/// );
/// ```
pub const fn planned_duration(&self) -> Option<Duration> { self.planned_duration }
/// The expected duration of the [`ExtXDateRange`].
/// This attribute should be used to indicate the expected duration of a
/// [`ExtXDateRange`] whose actual duration is not yet known.
/// The date at which the [`ExtXDateRange`] ends. It must be equal to or
/// later than the value of the [`start-date`] attribute.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
/// use std::time::Duration;
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.planned_duration(), None);
///
/// date_range.set_planned_duration(Some(Duration::from_secs_f64(1.2345)));
/// assert_eq!(
/// date_range.planned_duration(),
/// Some(Duration::from_secs_f64(1.2345))
/// );
/// ```
pub fn set_planned_duration(&mut self, value: Option<Duration>) -> &mut Self {
self.planned_duration = value;
self
}
pub const fn scte35_cmd(&self) -> &Option<String> { &self.scte35_cmd }
pub const fn scte35_in(&self) -> &Option<String> { &self.scte35_in }
pub const fn scte35_out(&self) -> &Option<String> { &self.scte35_out }
/// This attribute indicates that the end of the range containing it is
/// equal to the [`start-date`] of its following range. The following range
/// is the [`ExtXDateRange`] of the same class, that has the earliest
/// [`start-date`] after the [`start-date`] of the range in question.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
/// use std::time::Duration;
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.end_on_next(), false);
///
/// date_range.set_end_on_next(true);
/// assert_eq!(date_range.end_on_next(), true);
/// ```
pub const fn end_on_next(&self) -> bool { self.end_on_next }
/// This attribute indicates that the end of the range containing it is
/// equal to the [`start-date`] of its following range. The following range
/// is the [`ExtXDateRange`] of the same class, that has the earliest
/// [`start-date`] after the [`start-date`] of the range in question.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
/// use std::time::Duration;
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.end_on_next(), false);
///
/// date_range.set_end_on_next(true);
/// assert_eq!(date_range.end_on_next(), true);
/// ```
pub fn set_end_on_next(&mut self, value: bool) -> &mut Self {
self.end_on_next = value;
self
}
/// The "X-" prefix defines a namespace reserved for client-defined
/// attributes. The client-attribute must be a uppercase characters.
/// Clients should use a reverse-DNS syntax when defining their own
/// attribute names to avoid collisions. An example of a client-defined
/// attribute is `X-COM-EXAMPLE-AD-ID="XYZ123"`.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use std::collections::BTreeMap;
///
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
/// use hls_m3u8::types::Value;
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.client_attributes(), &BTreeMap::new());
///
/// let mut attributes = BTreeMap::new();
/// attributes.insert("X-COM-EXAMPLE-FLOAT".to_string(), Value::Float(1.1));
///
/// date_range.set_client_attributes(attributes.clone());
/// assert_eq!(date_range.client_attributes(), &attributes);
/// ```
pub const fn client_attributes(&self) -> &BTreeMap<String, Value> { &self.client_attributes }
/// The "X-" prefix defines a namespace reserved for client-defined
/// attributes. The client-attribute must be a uppercase characters.
/// Clients should use a reverse-DNS syntax when defining their own
/// attribute names to avoid collisions. An example of a client-defined
/// attribute is `X-COM-EXAMPLE-AD-ID="XYZ123"`.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use std::collections::BTreeMap;
///
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
/// use hls_m3u8::types::Value;
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.client_attributes(), &BTreeMap::new());
///
/// let mut attributes = BTreeMap::new();
/// attributes.insert("X-COM-EXAMPLE-FLOAT".to_string(), Value::Float(1.1));
///
/// date_range
/// .client_attributes_mut()
/// .insert("X-COM-EXAMPLE-FLOAT".to_string(), Value::Float(1.1));
///
/// assert_eq!(date_range.client_attributes(), &attributes);
/// ```
pub fn client_attributes_mut(&mut self) -> &mut BTreeMap<String, Value> {
&mut self.client_attributes
}
/// The "X-" prefix defines a namespace reserved for client-defined
/// attributes. The client-attribute must be a uppercase characters.
/// Clients should use a reverse-DNS syntax when defining their own
/// attribute names to avoid collisions. An example of a client-defined
/// attribute is `X-COM-EXAMPLE-AD-ID="XYZ123"`.
///
/// # Example
/// ```
/// # use hls_m3u8::tags::ExtXDateRange;
/// use std::collections::BTreeMap;
///
/// use chrono::offset::TimeZone;
/// use chrono::{DateTime, FixedOffset};
/// use hls_m3u8::types::Value;
///
/// const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
///
/// let mut date_range = ExtXDateRange::new(
/// "id",
/// FixedOffset::east(8 * HOURS_IN_SECS)
/// .ymd(2010, 2, 19)
/// .and_hms_milli(14, 54, 23, 31),
/// );
/// # assert_eq!(date_range.client_attributes(), &BTreeMap::new());
///
/// let mut attributes = BTreeMap::new();
/// attributes.insert("X-COM-EXAMPLE-FLOAT".to_string(), Value::Float(1.1));
///
/// date_range.set_client_attributes(attributes.clone());
/// assert_eq!(date_range.client_attributes(), &attributes);
/// ```
pub fn set_client_attributes(&mut self, value: BTreeMap<String, Value>) -> &mut Self {
self.client_attributes = value;
self
}
}
/// This tag requires [`ProtocolVersion::V1`].
impl RequiredVersion for ExtXDateRange {
fn required_version(&self) -> ProtocolVersion { ProtocolVersion::V1 }
}
impl FromStr for ExtXDateRange {
type Err = Error;
fn from_str(input: &str) -> Result<Self, Self::Err> {
let input = tag(input, Self::PREFIX)?;
let mut id = None;
let mut class = None;
let mut start_date = None;
let mut end_date = None;
let mut duration = None;
let mut planned_duration = None;
let mut scte35_cmd = None;
let mut scte35_out = None;
let mut scte35_in = None;
let mut end_on_next = false;
let mut client_attributes = BTreeMap::new();
for (key, value) in input.parse::<AttributePairs>()? {
match key.as_str() {
"ID" => id = Some(unquote(value)),
"CLASS" => class = Some(unquote(value)),
"START-DATE" => start_date = Some(unquote(value)),
"END-DATE" => end_date = Some(unquote(value).parse()?),
"DURATION" => {
duration = Some(Duration::from_secs_f64(value.parse()?));
}
"PLANNED-DURATION" => {
planned_duration = Some(Duration::from_secs_f64(value.parse()?));
}
"SCTE35-CMD" => scte35_cmd = Some(unquote(value)),
"SCTE35-OUT" => scte35_out = Some(unquote(value)),
"SCTE35-IN" => scte35_in = Some(unquote(value)),
"END-ON-NEXT" => {
if value != "YES" {
return Err(Error::custom("The value of `END-ON-NEXT` has to be `YES`!"));
}
end_on_next = true;
}
_ => {
if key.starts_with("X-") {
client_attributes.insert(key.to_ascii_uppercase(), value.parse()?);
} else {
// [6.3.1. General Client Responsibilities]
// > ignore any attribute/value pair with an
// unrecognized AttributeName.
}
}
}
}
let id = id.ok_or_else(|| Error::missing_value("ID"))?;
let start_date = start_date
.ok_or_else(|| Error::missing_value("START-DATE"))?
.parse()?;
if end_on_next && class.is_none() {
return Err(Error::invalid_input());
}
Ok(Self {
id,
class,
start_date,
end_date,
duration,
planned_duration,
scte35_cmd,
scte35_out,
scte35_in,
end_on_next,
client_attributes,
})
}
}
impl fmt::Display for ExtXDateRange {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}", Self::PREFIX)?;
write!(f, "ID={}", quote(&self.id))?;
if let Some(value) = &self.class {
write!(f, ",CLASS={}", quote(value))?;
}
write!(
f,
",START-DATE={}",
quote(&self.start_date.to_rfc3339_opts(SecondsFormat::AutoSi, true))
)?;
if let Some(value) = &self.end_date {
write!(
f,
",END-DATE={}",
quote(value.to_rfc3339_opts(SecondsFormat::AutoSi, true))
)?;
}
if let Some(value) = &self.duration {
write!(f, ",DURATION={}", value.as_secs_f64())?;
}
if let Some(value) = &self.planned_duration {
write!(f, ",PLANNED-DURATION={}", value.as_secs_f64())?;
}
if let Some(value) = &self.scte35_cmd {
write!(f, ",SCTE35-CMD={}", value)?;
}
if let Some(value) = &self.scte35_out {
write!(f, ",SCTE35-OUT={}", value)?;
}
if let Some(value) = &self.scte35_in {
write!(f, ",SCTE35-IN={}", value)?;
}
for (k, v) in &self.client_attributes {
write!(f, ",{}={}", k, v)?;
}
if self.end_on_next {
write!(f, ",END-ON-NEXT=YES",)?;
}
Ok(())
}
}
#[cfg(test)]
mod test {
use super::*;
use chrono::offset::TimeZone;
const HOURS_IN_SECS: i32 = 3600; // 1 hour = 3600 seconds
#[test]
fn test_parser() {
assert_eq!(
"#EXT-X-DATERANGE:\
ID=\"splice-6FFFFFF0\",\
START-DATE=\"2014-03-05T11:15:00Z\",\
PLANNED-DURATION=59.993,\
SCTE35-OUT=0xFC002F0000000000FF000014056F\
FFFFF000E011622DCAFF000052636200000000000\
A0008029896F50000008700000000"
.parse::<ExtXDateRange>()
.unwrap(),
ExtXDateRange::builder()
.id("splice-6FFFFFF0")
.start_date(FixedOffset::east(0).ymd(2014, 3, 5).and_hms(11, 15, 0))
.planned_duration(Duration::from_secs_f64(59.993))
.scte35_out(
"0xFC002F0000000000FF00001\
4056FFFFFF000E011622DCAFF0\
00052636200000000000A00080\
29896F50000008700000000"
)
.build()
.unwrap()
);
assert_eq!(
"#EXT-X-DATERANGE:\
ID=\"test_id\",\
CLASS=\"test_class\",\
START-DATE=\"2014-03-05T11:15:00Z\",\
END-DATE=\"2014-03-05T11:16:00Z\",\
DURATION=60.1,\
PLANNED-DURATION=59.993,\
X-CUSTOM=45.3,\
SCTE35-CMD=0xFC002F0000000000FF2,\
SCTE35-OUT=0xFC002F0000000000FF0,\
SCTE35-IN=0xFC002F0000000000FF1,\
END-ON-NEXT=YES,\
UNKNOWN=PHANTOM"
.parse::<ExtXDateRange>()
.unwrap(),
ExtXDateRange::builder()
.id("test_id")
.class("test_class")
.start_date(FixedOffset::east(0).ymd(2014, 3, 5).and_hms(11, 15, 0))
.end_date(FixedOffset::east(0).ymd(2014, 3, 5).and_hms(11, 16, 0))
.duration(Duration::from_secs_f64(60.1))
.planned_duration(Duration::from_secs_f64(59.993))
.insert_client_attribute("X-CUSTOM", 45.3)
.scte35_cmd("0xFC002F0000000000FF2")
.scte35_out("0xFC002F0000000000FF0")
.scte35_in("0xFC002F0000000000FF1")
.end_on_next(true)
.build()
.unwrap()
);
assert!("#EXT-X-DATERANGE:END-ON-NEXT=NO"
.parse::<ExtXDateRange>()
.is_err());
assert!("garbage".parse::<ExtXDateRange>().is_err());
assert!("".parse::<ExtXDateRange>().is_err());
assert!("#EXT-X-DATERANGE:\
ID=\"test_id\",\
START-DATE=\"2014-03-05T11:15:00Z\",\
END-ON-NEXT=YES"
.parse::<ExtXDateRange>()
.is_err());
}
#[test]
fn test_display() {
assert_eq!(
ExtXDateRange::builder()
.id("test_id")
.class("test_class")
.start_date(FixedOffset::east(0).ymd(2014, 3, 5).and_hms(11, 15, 0))
.end_date(FixedOffset::east(0).ymd(2014, 3, 5).and_hms(11, 16, 0))
.duration(Duration::from_secs_f64(60.1))
.planned_duration(Duration::from_secs_f64(59.993))
.insert_client_attribute("X-CUSTOM", 45.3)
.scte35_cmd("0xFC002F0000000000FF2")
.scte35_out("0xFC002F0000000000FF0")
.scte35_in("0xFC002F0000000000FF1")
.end_on_next(true)
.build()
.unwrap()
.to_string(),
"#EXT-X-DATERANGE:\
ID=\"test_id\",\
CLASS=\"test_class\",\
START-DATE=\"2014-03-05T11:15:00Z\",\
END-DATE=\"2014-03-05T11:16:00Z\",\
DURATION=60.1,\
PLANNED-DURATION=59.993,\
SCTE35-CMD=0xFC002F0000000000FF2,\
SCTE35-OUT=0xFC002F0000000000FF0,\
SCTE35-IN=0xFC002F0000000000FF1,\
X-CUSTOM=45.3,\
END-ON-NEXT=YES"
)
}
#[test]
fn test_required_version() {
assert_eq!(
ExtXDateRange::new(
"id",
FixedOffset::east(8 * HOURS_IN_SECS)
.ymd(2010, 2, 19)
.and_hms_milli(14, 54, 23, 31)
)
.required_version(),
ProtocolVersion::V1
);
}
}
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