MapError.swift 2.39 KB
Newer Older
Eyad Hasan's avatar
Eyad Hasan committed
1
2
3
4
5
6
7
8
//
//  MapError.swift
//  ObjectMapper
//
//  Created by Tristan Himmelman on 2016-09-26.
//
//  The MIT License (MIT)
//
9
//  Copyright (c) 2014-2018 Tristan Himmelman
Eyad Hasan's avatar
Eyad Hasan committed
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
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.

import Foundation

public struct MapError: Error {
	public var key: String?
	public var currentValue: Any?
	public var reason: String?
	public var file: StaticString?
	public var function: StaticString?
	public var line: UInt?
	
	public init(key: String?, currentValue: Any?, reason: String?, file: StaticString? = nil, function: StaticString? = nil, line: UInt? = nil) {
		self.key = key
		self.currentValue = currentValue
		self.reason = reason
		self.file = file
		self.function = function
		self.line = line
	}
}

extension MapError: CustomStringConvertible {
	
	private var location: String? {
		guard let file = file, let function = function, let line = line else { return nil }
		let fileName = ((String(describing: file).components(separatedBy: "/").last ?? "").components(separatedBy: ".").first ?? "")
		return "\(fileName).\(function):\(line)"
	}
	
	public var description: String {
		let info: [(String, Any?)] = [
			("- reason", reason),
			("- location", location),
			("- key", key),
			("- currentValue", currentValue),
			]
Zach Knox's avatar
Zach Knox committed
64
		let infoString = info.map { "\($0.0): \($0.1 ?? "nil")" }.joined(separator: "\n")
Eyad Hasan's avatar
Eyad Hasan committed
65
66
67
68
		return "Got an error while mapping.\n\(infoString)"
	}
	
}