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
pub mod ical;
pub mod vcard;
use std::io::BufRead;
use std::cell::RefCell;
use property::{Property, PropertyParser};
use parser::errors::*;
pub trait Component {
fn add_sub_component<B: BufRead>(&mut self,
value: &str,
line_parser: &RefCell<PropertyParser<B>>)
-> Result<()>;
fn add_property(&mut self, property: Property);
fn parse<B: BufRead>(&mut self, line_parser: &RefCell<PropertyParser<B>>) -> Result<()> {
loop {
let line: Property;
{
line = match line_parser.borrow_mut().next() {
Some(val) => val,
None => return Err(ErrorKind::NotComplete.into()),
}?;
}
match line.name.as_str() {
"END" => break,
"BEGIN" => {
match line.value {
Some(v) => self.add_sub_component(v.as_str(), line_parser)?,
None => return Err(ErrorKind::NotComplete.into()),
}
}
_ => self.add_property(line),
};
}
Ok(())
}
}
#[allow(missing_docs)]
pub mod errors {
use property;
error_chain! {
types {
Error, ErrorKind, ResultExt, Result;
}
foreign_links {
Property(property::errors::Error);
}
errors {
InvalidComponent {
description("The current component is invalid.")
display("invalid component")
}
NotComplete {
description("The current object is not complete.")
display("incomplete object")
}
MissingHeader {
description("A header is missing.")
display("missing header")
}
}
}
}