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
|
/*
* Copyright (c) 2022, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/DeprecatedString.h>
#include <AK/Vector.h>
namespace PDF {
class Error {
public:
enum class Type {
Parse,
Internal,
MalformedPDF,
RenderingUnsupported
};
Error(AK::Error error)
: m_type(Type::Internal)
, m_message(DeprecatedString::formatted("Internal error while processing PDF file: {}", error.string_literal()))
{
}
Error(Type type, DeprecatedString const& message)
: m_type(type)
{
switch (type) {
case Type::Parse:
m_message = DeprecatedString::formatted("Failed to parse PDF file: {}", message);
break;
case Type::Internal:
m_message = DeprecatedString::formatted("Internal error while processing PDF file: {}", message);
break;
case Type::MalformedPDF:
m_message = DeprecatedString::formatted("Malformed PDF file: {}", message);
break;
case Type::RenderingUnsupported:
m_message = DeprecatedString::formatted("Rendering of feature not supported: {}", message);
break;
}
}
Type type() const { return m_type; }
DeprecatedString const& message() const { return m_message; }
private:
Type m_type;
DeprecatedString m_message;
};
class Errors {
public:
Errors() = default;
Errors(Error&& error)
{
m_errors.empend(move(error));
}
Vector<Error> const& errors() const
{
return m_errors;
}
void add_error(Error&& error)
{
m_errors.empend(move(error));
}
private:
Vector<Error> m_errors;
};
template<typename T>
using PDFErrorOr = ErrorOr<T, Error>;
template<typename T>
using PDFErrorsOr = ErrorOr<T, Errors>;
}
|