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
114
115
116
117
118
119
120
121
122
123
124
|
// SPDX-License-Identifier: MIT
// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
import Cocoa
private let fontSize: CGFloat = 15
class ConfTextStorage: NSTextStorage {
let defaultFont = NSFontManager.shared.convertWeight(true, of: NSFont.systemFont(ofSize: fontSize))
private let boldFont = NSFont.boldSystemFont(ofSize: fontSize)
private lazy var italicFont = NSFontManager.shared.convert(defaultFont, toHaveTrait: .italicFontMask)
private var textColorTheme: ConfTextColorTheme.Type?
private let backingStore: NSMutableAttributedString
private(set) var hasError = false
private(set) var privateKeyString: String?
override init() {
backingStore = NSMutableAttributedString(string: "")
super.init()
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
required init?(pasteboardPropertyList propertyList: Any, ofType type: NSPasteboard.PasteboardType) {
fatalError("init(pasteboardPropertyList:ofType:) has not been implemented")
}
func nonColorAttributes(for highlightType: highlight_type) -> [NSAttributedString.Key: Any] {
switch highlightType.rawValue {
case HighlightSection.rawValue, HighlightField.rawValue:
return [.font: boldFont]
case HighlightPublicKey.rawValue, HighlightPrivateKey.rawValue, HighlightPresharedKey.rawValue,
HighlightIP.rawValue, HighlightCidr.rawValue, HighlightHost.rawValue, HighlightPort.rawValue,
HighlightMTU.rawValue, HighlightKeepalive.rawValue, HighlightDelimiter.rawValue:
return [.font: defaultFont]
case HighlightComment.rawValue:
return [.font: italicFont]
case HighlightError.rawValue:
return [.font: defaultFont, .underlineStyle: 1]
default:
return [:]
}
}
func updateAttributes(for textColorTheme: ConfTextColorTheme.Type) {
self.textColorTheme = textColorTheme
highlightSyntax()
}
override var string: String {
return backingStore.string
}
override func attributes(at location: Int, effectiveRange range: NSRangePointer?) -> [NSAttributedString.Key: Any] {
return backingStore.attributes(at: location, effectiveRange: range)
}
override func replaceCharacters(in range: NSRange, with str: String) {
beginEditing()
backingStore.replaceCharacters(in: range, with: str)
edited(.editedCharacters, range: range, changeInLength: str.count - range.length)
endEditing()
}
override func replaceCharacters(in range: NSRange, with attrString: NSAttributedString) {
beginEditing()
backingStore.replaceCharacters(in: range, with: attrString)
edited(.editedCharacters, range: range, changeInLength: attrString.length - range.length)
endEditing()
}
override func setAttributes(_ attrs: [NSAttributedString.Key: Any]?, range: NSRange) {
beginEditing()
backingStore.setAttributes(attrs, range: range)
edited(.editedAttributes, range: range, changeInLength: 0)
endEditing()
}
func highlightSyntax() {
guard let textColorTheme = textColorTheme else { return }
hasError = false
privateKeyString = nil
let fullTextRange = NSRange(location: 0, length: (backingStore.string as NSString).length)
backingStore.beginEditing()
let defaultAttributes: [NSAttributedString.Key: Any] = [
.foregroundColor: textColorTheme.defaultColor,
.font: defaultFont
]
backingStore.setAttributes(defaultAttributes, range: fullTextRange)
var spans = highlight_config(backingStore.string.cString(using: String.Encoding.utf8))!
while spans.pointee.type != HighlightEnd {
let span = spans.pointee
let range = NSRange(location: span.start, length: span.len)
backingStore.setAttributes(nonColorAttributes(for: span.type), range: range)
let color = textColorTheme.colorMap[span.type.rawValue, default: textColorTheme.defaultColor]
backingStore.addAttribute(.foregroundColor, value: color, range: range)
if span.type == HighlightError {
hasError = true
}
if span.type == HighlightPrivateKey {
privateKeyString = backingStore.attributedSubstring(from: NSRange(location: span.start, length: span.len)).string
}
spans = spans.successor()
}
backingStore.endEditing()
beginEditing()
edited(.editedAttributes, range: fullTextRange, changeInLength: 0)
endEditing()
}
}
|
