/
Colors.swift
245 lines (206 loc) · 5.96 KB
/
Colors.swift
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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
//
// Colors.swift
// Colors
//
// Created by Chad Scira on 3/3/15.
// Copyright (c) 2015 Chad Scira. All rights reserved.
//
import Foundation
var colorCodes:[String:Int] = [
"black": 30,
"red": 31,
"green": 32,
"yellow": 33,
"blue": 34,
"magenta": 35,
"cyan": 36,
"white": 37
]
var bgColorCodes:[String:Int] = [
"blackBackground": 40,
"redBackground": 41,
"greenBackground": 42,
"yellowBackground": 43,
"blueBackground": 44,
"magentaBackground": 45,
"cyanBackground": 46,
"whiteBackground": 47
]
var styleCodes:[String:Int] = [
"reset": 0,
"bold": 1,
"italic": 3,
"underline": 4,
"inverse": 7,
"strikethrough": 9,
"boldOff": 22,
"italicOff": 23,
"underlineOff": 24,
"inverseOff": 27,
"strikethroughOff": 29
]
func getCode(_ key: String) -> Int? {
if colorCodes[key] != nil {
return colorCodes[key]
}
else if bgColorCodes[key] != nil {
return bgColorCodes[key]
}
else if styleCodes[key] != nil {
return styleCodes[key]
}
return nil
}
func addCodeToCodesArray(_ codes: Array<Int>, code: Int) -> Array<Int> {
var result:Array<Int> = codes
if colorCodes.values.contains(code) {
result = result.filter { !colorCodes.values.contains($0) }
}
else if bgColorCodes.values.contains(code) {
result = result.filter { !bgColorCodes.values.contains($0) }
}
else if code == 0 {
return []
}
if !result.contains(code) {
result.append(code)
}
return result
}
func matchesForRegexInText(_ regex: String!, text: String!, global: Bool = false) -> [String] {
let regex = try! NSRegularExpression(pattern: regex, options: [])
let nsString = text as NSString
let results = regex.matches(in: nsString as String, options: [], range: NSMakeRange(0, nsString.length))
if !global && results.count == 1 {
var result:[String] = []
for i in 0..<results[0].numberOfRanges {
result.append(nsString.substring(with: results[0].rangeAt(i)))
}
return result
}
else {
return results.map { nsString.substring(with: $0.range) }
}
}
struct ANSIGroup {
var codes:[Int]
var string:String
func toString() -> String {
let codeStrings = codes.map { String($0) }
return "\u{001B}[" + codeStrings.joined(separator: ";") + "m" + string + "\u{001B}[0m"
}
}
func parseExistingANSI(_ string: String) -> [ANSIGroup] {
var results:[ANSIGroup] = []
let matches = matchesForRegexInText("\\u001B\\[([^m]*)m(.+?)\\u001B\\[0m", text: string, global: true)
for match in matches {
var parts = matchesForRegexInText("\\u001B\\[([^m]*)m(.+?)\\u001B\\[0m", text: match),
codes = parts[1].characters.split {$0 == ";"}.map { String($0) },
string = parts[2]
results.append(ANSIGroup(codes: codes.filter { Int($0) != nil }.map { Int($0)! }, string: string))
}
return results
}
func format(_ string: String, _ command: String) -> String {
if (ProcessInfo.processInfo.environment["DEBUG"] != nil && ProcessInfo.processInfo.environment["DEBUG"]! as String == "true" && (ProcessInfo.processInfo.environment["TEST"] == nil || ProcessInfo.processInfo.environment["TEST"]! as String == "false")) {
return string
}
let code = getCode(command)
let existingANSI = parseExistingANSI(string)
if code == nil {
return string
} else if existingANSI.count > 0 {
return existingANSI.map {
return ANSIGroup(codes: addCodeToCodesArray($0.codes, code: code!), string: $0.string).toString()
}.joined(separator: "")
} else {
let group = ANSIGroup(codes: [code!], string: string)
return group.toString()
}
}
public extension String {
// foregrounds
var black: String {
return format(self, "black")
}
var red: String {
return format(self, "red")
}
var green: String {
return format(self, "green")
}
var yellow: String {
return format(self, "yellow")
}
var blue: String {
return format(self, "blue")
}
var magenta: String {
return format(self, "magenta")
}
var cyan: String {
return format(self, "cyan")
}
var white: String {
return format(self, "white")
}
// backgrounds
var blackBackground: String {
return format(self, "blackBackground")
}
var redBackground: String {
return format(self, "redBackground")
}
var greenBackground: String {
return format(self, "greenBackground")
}
var yellowBackground: String {
return format(self, "yellowBackground")
}
var blueBackground: String {
return format(self, "blueBackground")
}
var magentaBackground: String {
return format(self, "magentaBackground")
}
var cyanBackground: String {
return format(self, "cyanBackground")
}
var whiteBackground: String {
return format(self, "whiteBackground")
}
// formats
var bold: String {
return format(self, "bold")
}
var italic: String {
return format(self, "italic")
}
var underline: String {
return format(self, "underline")
}
var reset: String {
return format(self, "reset")
}
var inverse: String {
return format(self, "inverse")
}
var strikethrough: String {
return format(self, "strikethrough")
}
var boldOff: String {
return format(self, "boldOff")
}
var italicOff: String {
return format(self, "italicOff")
}
var underlineOff: String {
return format(self, "underlineOff")
}
var inverseOff: String {
return format(self, "inverseOff")
}
var strikethroughOff: String {
return format(self, "strikethroughOff")
}
}