Web-based Calendar Aggregator https://ticker.c3d2.de/
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ticker/src/ics/mod.rs

44 lines
1.1 KiB

use std::collections::HashMap;
use chrono::NaiveDateTime;
mod tokenizer;
mod parser;
pub use parser::Parser;
pub trait GetValue<'a, R: 'a> {
fn get(&'a self, key: &'_ str) -> Option<R>;
}
pub type Props = Vec<(String, String)>;
#[derive(Debug, PartialEq)]
pub struct Object {
pub name: String,
pub content: HashMap<String, (Props, String)>,
pub children: Vec<Box<Object>>,
}
impl<'a> GetValue<'a, &'a str> for Object {
fn get(&'a self, key: &'_ str) -> Option<&'a str> {
self.content.get(key)
.map(|(_props, value)| value.as_ref())
}
}
impl<'a> GetValue<'a, String> for Object {
fn get(&self, key: &'_ str) -> Option<String> {
self.content.get(key)
.map(|(_props, value)| value.clone())
}
}
// TODO: TZID, offset
impl<'a> GetValue<'a, NaiveDateTime> for Object {
fn get(&self, key: &'_ str) -> Option<NaiveDateTime> {
let s = self.get(key)?;
NaiveDateTime::parse_from_str(s, "%Y%m%dT%H%M%SZ")
.or_else(|_| NaiveDateTime::parse_from_str(s, "%Y%m%dT%H%M%S"))
.or_else(|_| NaiveDateTime::parse_from_str(s, "%Y%m%d"))
.ok()
}
}