1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
use components::*;
use std::fmt;
use std::ops::Deref;
use std::convert::Into;
#[derive(Debug)]
pub enum CalendarElement{
Todo(Todo),
Event(Event)
}
impl Into<CalendarElement> for Event {
fn into(self) -> CalendarElement {
CalendarElement::Event(self)
}
}
impl Into<CalendarElement> for Todo {
fn into(self) -> CalendarElement {
CalendarElement::Todo(self)
}
}
impl CalendarElement {
fn fmt_write<W: fmt::Write>(&self, out: &mut W) -> Result<(), fmt::Error> {
match *self {
CalendarElement::Todo(ref todo) => todo.fmt_write(out),
CalendarElement::Event(ref event) => event.fmt_write(out)
}
}
}
/// Represents a calendar
///
/// You can `.add()` `Component`s to this.
#[derive(Default,Debug)]
pub struct Calendar {
components: Vec<CalendarElement>
}
impl Calendar {
/// Creates a new Calendar.
pub fn new() -> Self {
Default::default()
}
#[deprecated(note="Use .push() instead")]
#[doc(hidden)]
pub fn add<T:Into<CalendarElement>>(&mut self, component:T) -> &mut Self {
self.push(component)
}
/// Moves all the elements of other into Self, leaving other empty.
pub fn append(&mut self, other: &mut Calendar) {
self.components.append(&mut other.components);
}
/// Extends this `Calendar` with the contends of another.
pub fn extend<T>(&mut self, other: T)
where T: IntoIterator<Item=CalendarElement>
{
self.components.extend(other);
}
/// Appends an element to the back of the `Calendar`.
pub fn push<T:Into<CalendarElement>>(&mut self, component:T) -> &mut Self {
self.components.push(component.into());
self
}
/// Writes `Calendar` into a `Writer` using `std::fmt`.
fn fmt_write<W: fmt::Write>(&self, out: &mut W) -> Result<(), fmt::Error> {
write_crlf!(out, "BEGIN:VCALENDAR")?;
write_crlf!(out, "VERSION:2.0")?;
write_crlf!(out, "PRODID:ICALENDAR-RS")?;
write_crlf!(out, "CALSCALE:GREGORIAN")?;
for component in &self.components {
component.fmt_write(out)?;
}
write_crlf!(out, "END:VCALENDAR")?;
Ok(())
}
/// Prints to stdout
/// FIXME code repetition
pub fn print(&self) -> Result<(), fmt::Error> {
let mut out = String::new();
try!(self.fmt_write(&mut out));
print_crlf!("{}", out);
Ok(())
}
}
impl ToString for Calendar {
/// # panics
fn to_string(&self) -> String {
let mut out_string = String::new();
self.fmt_write(&mut out_string).unwrap();
out_string
}
}
impl Deref for Calendar {
type Target = [CalendarElement];
fn deref(&self) -> &[CalendarElement]{
self.components.deref()
}
}
|
