mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-12-23 16:40:35 +00:00
293 lines
10 KiB
Rust
293 lines
10 KiB
Rust
// Take a look at the license at the top of the repository in the LICENSE file.
|
|
|
|
#![allow(clippy::upper_case_acronyms)]
|
|
|
|
use glib::{
|
|
translate::{FromGlib, IntoGlib},
|
|
value::{ToValue, ToValueOptional},
|
|
StaticType,
|
|
};
|
|
use serde::{
|
|
de::{Deserialize, Deserializer, Error},
|
|
ser,
|
|
ser::{Serialize, Serializer},
|
|
};
|
|
|
|
use crate::DateTime;
|
|
|
|
#[derive(serde::Serialize, serde::Deserialize)]
|
|
enum DateTimeVariants {
|
|
Y(i32),
|
|
YM(i32, i32),
|
|
YMD(i32, i32, i32),
|
|
YMDhmTz(i32, i32, i32, i32, i32, f32),
|
|
YMDhmsTz(i32, i32, i32, i32, i32, f64, f32),
|
|
}
|
|
|
|
// Note: ser / de for `glib::Date` should be implemented in the `glib` crate
|
|
// However, there is no `serde` feature in `glib` right now. The limitation is that
|
|
// `Date` fields can only be ser / de when they are used in `Value`s (which implies
|
|
// `Array`s, `List`s, `Structure` fields and `Tag`s)
|
|
pub(crate) struct Date(glib::Date);
|
|
|
|
impl From<glib::Date> for Date {
|
|
#[inline]
|
|
fn from(glib_date: glib::Date) -> Self {
|
|
skip_assert_initialized!();
|
|
Date(glib_date)
|
|
}
|
|
}
|
|
|
|
impl ToValue for Date {
|
|
fn to_value(&self) -> glib::Value {
|
|
self.0.to_value()
|
|
}
|
|
|
|
fn value_type(&self) -> glib::Type {
|
|
glib::Date::static_type()
|
|
}
|
|
}
|
|
|
|
impl ToValueOptional for Date {
|
|
fn to_value_optional(s: Option<&Self>) -> glib::Value {
|
|
skip_assert_initialized!();
|
|
s.map(|s| &s.0).to_value()
|
|
}
|
|
}
|
|
|
|
impl StaticType for Date {
|
|
#[inline]
|
|
fn static_type() -> glib::Type {
|
|
glib::Date::static_type()
|
|
}
|
|
}
|
|
|
|
impl From<Date> for glib::Value {
|
|
#[inline]
|
|
fn from(v: Date) -> glib::Value {
|
|
skip_assert_initialized!();
|
|
v.0.into()
|
|
}
|
|
}
|
|
|
|
impl Serialize for Date {
|
|
fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
|
|
DateTimeVariants::YMD(
|
|
self.0.year() as i32,
|
|
self.0.month().into_glib(),
|
|
self.0.day() as i32,
|
|
)
|
|
.serialize(serializer)
|
|
}
|
|
}
|
|
|
|
impl Serialize for DateTime {
|
|
fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
|
|
let variant = if self.has_second() {
|
|
DateTimeVariants::YMDhmsTz(
|
|
self.year(),
|
|
self.month().unwrap(),
|
|
self.day().unwrap(),
|
|
self.hour().unwrap(),
|
|
self.minute().unwrap(),
|
|
f64::from(self.second().unwrap())
|
|
+ f64::from(self.microsecond().unwrap()) / 1_000_000f64,
|
|
self.time_zone_offset().unwrap(),
|
|
)
|
|
} else if self.has_time() {
|
|
DateTimeVariants::YMDhmTz(
|
|
self.year(),
|
|
self.month().unwrap(),
|
|
self.day().unwrap(),
|
|
self.hour().unwrap(),
|
|
self.minute().unwrap(),
|
|
self.time_zone_offset().unwrap(),
|
|
)
|
|
} else if self.has_day() {
|
|
DateTimeVariants::YMD(self.year(), self.month().unwrap(), self.day().unwrap())
|
|
} else if self.has_month() {
|
|
DateTimeVariants::YM(self.year(), self.month().unwrap())
|
|
} else if self.has_year() {
|
|
DateTimeVariants::Y(self.year())
|
|
} else {
|
|
return Err(ser::Error::custom(format!(
|
|
"no parts could be found in `DateTime` {}",
|
|
self,
|
|
)));
|
|
};
|
|
|
|
variant.serialize(serializer)
|
|
}
|
|
}
|
|
|
|
impl TryFrom<DateTimeVariants> for Date {
|
|
type Error = glib::BoolError;
|
|
|
|
fn try_from(dt_variant: DateTimeVariants) -> Result<Self, Self::Error> {
|
|
skip_assert_initialized!();
|
|
match dt_variant {
|
|
DateTimeVariants::YMD(y, m, d) => {
|
|
let month = unsafe { glib::DateMonth::from_glib(m) };
|
|
if let glib::DateMonth::__Unknown(_) = month {
|
|
return Err(glib::bool_error!("Out of range `month` for `Date`"));
|
|
}
|
|
|
|
Ok(Date(glib::Date::from_dmy(
|
|
d.try_into()
|
|
.map_err(|_| glib::bool_error!("Out of range `day` for `Date`"))?,
|
|
month,
|
|
y.try_into()
|
|
.map_err(|_| glib::bool_error!("Out of range `year` for `Date`"))?,
|
|
)?))
|
|
}
|
|
_ => Err(glib::bool_error!(
|
|
"Incompatible variant for `Date` (expecting \"YMD\")"
|
|
)),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'de> Deserialize<'de> for Date {
|
|
fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
|
|
skip_assert_initialized!();
|
|
DateTimeVariants::deserialize(deserializer)
|
|
.and_then(|dt_variant| dt_variant.try_into().map_err(D::Error::custom))
|
|
}
|
|
}
|
|
|
|
#[allow(clippy::many_single_char_names)]
|
|
impl TryFrom<DateTimeVariants> for DateTime {
|
|
type Error = glib::BoolError;
|
|
|
|
fn try_from(dt_variant: DateTimeVariants) -> Result<Self, Self::Error> {
|
|
skip_assert_initialized!();
|
|
match dt_variant {
|
|
DateTimeVariants::Y(y) => DateTime::from_y(y),
|
|
DateTimeVariants::YM(y, m) => DateTime::from_ym(y, m),
|
|
DateTimeVariants::YMD(y, m, d) => DateTime::from_ymd(y, m, d),
|
|
DateTimeVariants::YMDhmTz(y, m, d, h, mn, tz) => {
|
|
DateTime::new(tz, y, m, d, h, mn, None)
|
|
}
|
|
DateTimeVariants::YMDhmsTz(y, m, d, h, mn, s, tz) => {
|
|
DateTime::new(tz, y, m, d, h, mn, s)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl<'de> Deserialize<'de> for DateTime {
|
|
fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
|
|
skip_assert_initialized!();
|
|
DateTimeVariants::deserialize(deserializer)
|
|
.and_then(|dt_variant| dt_variant.try_into().map_err(D::Error::custom))
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use crate::DateTime;
|
|
|
|
#[test]
|
|
fn test_serialize() {
|
|
crate::init().unwrap();
|
|
|
|
let pretty_config = ron::ser::PrettyConfig::new().new_line("".to_string());
|
|
|
|
let datetime = DateTime::new(2f32, 2018, 5, 28, 16, 6, 42.123_456f64).unwrap();
|
|
let res = ron::ser::to_string_pretty(&datetime, pretty_config.clone());
|
|
assert_eq!(
|
|
Ok("YMDhmsTz(2018, 5, 28, 16, 6, 42.123456, 2.0)".to_owned()),
|
|
res,
|
|
);
|
|
|
|
let res = serde_json::to_string(&datetime).unwrap();
|
|
assert_eq!(
|
|
r#"{"YMDhmsTz":[2018,5,28,16,6,42.123456,2.0]}"#.to_owned(),
|
|
res
|
|
);
|
|
|
|
let datetime = DateTime::new(2f32, 2018, 5, 28, 16, 6, None).unwrap();
|
|
let res = ron::ser::to_string_pretty(&datetime, pretty_config.clone());
|
|
assert_eq!(Ok("YMDhmTz(2018, 5, 28, 16, 6, 2.0)".to_owned()), res,);
|
|
|
|
let datetime = DateTime::from_ymd(2018, 5, 28).unwrap();
|
|
let res = ron::ser::to_string_pretty(&datetime, pretty_config.clone());
|
|
assert_eq!(Ok("YMD(2018, 5, 28)".to_owned()), res);
|
|
|
|
let datetime = DateTime::from_ym(2018, 5).unwrap();
|
|
let res = ron::ser::to_string_pretty(&datetime, pretty_config.clone());
|
|
assert_eq!(Ok("YM(2018, 5)".to_owned()), res);
|
|
|
|
let datetime = DateTime::from_y(2018).unwrap();
|
|
let res = ron::ser::to_string_pretty(&datetime, pretty_config);
|
|
assert_eq!(Ok("Y(2018)".to_owned()), res);
|
|
}
|
|
|
|
#[test]
|
|
fn test_deserialize() {
|
|
crate::init().unwrap();
|
|
|
|
let datetime_ron = "YMDhmsTz(2018, 5, 28, 16, 6, 42.123456, 2)";
|
|
let datetime_de: DateTime = ron::de::from_str(datetime_ron).unwrap();
|
|
assert_eq!(
|
|
datetime_de,
|
|
DateTime::new(2f32, 2018, 5, 28, 16, 6, 42.123_456f64).unwrap()
|
|
);
|
|
|
|
let datetime_json = r#"{"YMDhmsTz":[2018,5,28,16,6,42.123456,2.0]}"#;
|
|
let datetime_de: DateTime = serde_json::from_str(datetime_json).unwrap();
|
|
assert_eq!(
|
|
datetime_de,
|
|
DateTime::new(2f32, 2018, 5, 28, 16, 6, 42.123_456f64).unwrap()
|
|
);
|
|
|
|
let datetime_ron = "YMDhmTz(2018, 5, 28, 16, 6, 2)";
|
|
let datetime_de: DateTime = ron::de::from_str(datetime_ron).unwrap();
|
|
assert_eq!(
|
|
datetime_de,
|
|
DateTime::new(2f32, 2018, 5, 28, 16, 6, None).unwrap()
|
|
);
|
|
|
|
let datetime_ron = "YMD(2018, 5, 28)";
|
|
let datetime_de: DateTime = ron::de::from_str(datetime_ron).unwrap();
|
|
assert_eq!(datetime_de, DateTime::from_ymd(2018, 5, 28).unwrap());
|
|
|
|
let datetime_ron = "YM(2018, 5)";
|
|
let datetime_de: DateTime = ron::de::from_str(datetime_ron).unwrap();
|
|
assert_eq!(datetime_de, DateTime::from_ym(2018, 5).unwrap());
|
|
|
|
let datetime_ron = "Y(2018)";
|
|
let datetime_de: DateTime = ron::de::from_str(datetime_ron).unwrap();
|
|
assert_eq!(datetime_de, DateTime::from_y(2018).unwrap());
|
|
}
|
|
|
|
#[test]
|
|
fn test_serde_roundtrip() {
|
|
crate::init().unwrap();
|
|
|
|
let datetime = DateTime::new(2f32, 2018, 5, 28, 16, 6, 42.123_456f64).unwrap();
|
|
let datetime_ser = ron::ser::to_string(&datetime).unwrap();
|
|
let datetime_de: DateTime = ron::de::from_str(datetime_ser.as_str()).unwrap();
|
|
assert_eq!(datetime_de, datetime);
|
|
|
|
let datetime = DateTime::new(2f32, 2018, 5, 28, 16, 6, None).unwrap();
|
|
let datetime_ser = ron::ser::to_string(&datetime).unwrap();
|
|
let datetime_de: DateTime = ron::de::from_str(datetime_ser.as_str()).unwrap();
|
|
assert_eq!(datetime_de, datetime);
|
|
|
|
let datetime = DateTime::from_ymd(2018, 5, 28).unwrap();
|
|
let datetime_ser = ron::ser::to_string(&datetime).unwrap();
|
|
let datetime_de: DateTime = ron::de::from_str(datetime_ser.as_str()).unwrap();
|
|
assert_eq!(datetime_de, datetime);
|
|
|
|
let datetime = DateTime::from_ym(2018, 5).unwrap();
|
|
let datetime_ser = ron::ser::to_string(&datetime).unwrap();
|
|
let datetime_de: DateTime = ron::de::from_str(datetime_ser.as_str()).unwrap();
|
|
assert_eq!(datetime_de, datetime);
|
|
|
|
let datetime = DateTime::from_y(2018).unwrap();
|
|
let datetime_ser = ron::ser::to_string(&datetime).unwrap();
|
|
let datetime_de: DateTime = ron::de::from_str(datetime_ser.as_str()).unwrap();
|
|
assert_eq!(datetime_de, datetime);
|
|
}
|
|
}
|