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
|
use std::fmt;
use std::error;
use std::str;
use std::string;
use lopdf;
pub type Result<T> = ::std::result::Result<T, Error>;
#[derive(Debug)]
pub enum Error {
Lopdf(lopdf::Error),
String(StringError),
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Error::Lopdf(ref err) => write!(f, "pdf error: {}", err),
Error::String(ref err) => write!(f, "{}", err),
}
}
}
impl error::Error for Error {
fn source(&self) -> Option<&(dyn error::Error + 'static)> {
match *self {
Error::Lopdf(ref err) => Some(err),
Error::String(ref err) => Some(err),
}
}
}
impl From<lopdf::Error> for Error {
fn from(err: lopdf::Error) -> Error {
Error::Lopdf(err)
}
}
impl From<str::Utf8Error> for Error {
fn from(err: str::Utf8Error) -> Error {
Error::String(StringError::from(err))
}
}
impl From<string::FromUtf8Error> for Error {
fn from(err: string::FromUtf8Error) -> Error {
Error::String(StringError::from(err))
}
}
#[derive(Debug)]
pub enum StringError {
StrUtf8(str::Utf8Error),
StringUtf8(string::FromUtf8Error),
}
impl fmt::Display for StringError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
StringError::StrUtf8(ref err) => write!(f, "utf8 error: {}", err),
StringError::StringUtf8(ref err) => write!(f, "utf8 error: {}", err),
}
}
}
impl error::Error for StringError {
fn source(&self) -> Option<&(dyn error::Error + 'static)> {
match *self {
StringError::StrUtf8(ref err) => Some(err),
StringError::StringUtf8(ref err) => Some(err),
}
}
}
impl From<str::Utf8Error> for StringError {
fn from(err: str::Utf8Error) -> StringError {
StringError::StrUtf8(err)
}
}
impl From<string::FromUtf8Error> for StringError {
fn from(err: string::FromUtf8Error) -> StringError {
StringError::StringUtf8(err)
}
}
|
