/usr/share/gocode/src/github.com/mgutz/ansi/ansi.go is in golang-github-mgutz-ansi-dev 0.0~git20170206.9520e82-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 | package ansi
import (
"bytes"
"fmt"
"strconv"
"strings"
)
const (
black = iota
red
green
yellow
blue
magenta
cyan
white
defaultt = 9
normalIntensityFG = 30
highIntensityFG = 90
normalIntensityBG = 40
highIntensityBG = 100
start = "\033["
bold = "1;"
blink = "5;"
underline = "4;"
inverse = "7;"
strikethrough = "9;"
// Reset is the ANSI reset escape sequence
Reset = "\033[0m"
// DefaultBG is the default background
DefaultBG = "\033[49m"
// DefaultFG is the default foreground
DefaultFG = "\033[39m"
)
// Black FG
var Black string
// Red FG
var Red string
// Green FG
var Green string
// Yellow FG
var Yellow string
// Blue FG
var Blue string
// Magenta FG
var Magenta string
// Cyan FG
var Cyan string
// White FG
var White string
// LightBlack FG
var LightBlack string
// LightRed FG
var LightRed string
// LightGreen FG
var LightGreen string
// LightYellow FG
var LightYellow string
// LightBlue FG
var LightBlue string
// LightMagenta FG
var LightMagenta string
// LightCyan FG
var LightCyan string
// LightWhite FG
var LightWhite string
var (
plain = false
// Colors maps common color names to their ANSI color code.
Colors = map[string]int{
"black": black,
"red": red,
"green": green,
"yellow": yellow,
"blue": blue,
"magenta": magenta,
"cyan": cyan,
"white": white,
"default": defaultt,
}
)
func init() {
for i := 0; i < 256; i++ {
Colors[strconv.Itoa(i)] = i
}
Black = ColorCode("black")
Red = ColorCode("red")
Green = ColorCode("green")
Yellow = ColorCode("yellow")
Blue = ColorCode("blue")
Magenta = ColorCode("magenta")
Cyan = ColorCode("cyan")
White = ColorCode("white")
LightBlack = ColorCode("black+h")
LightRed = ColorCode("red+h")
LightGreen = ColorCode("green+h")
LightYellow = ColorCode("yellow+h")
LightBlue = ColorCode("blue+h")
LightMagenta = ColorCode("magenta+h")
LightCyan = ColorCode("cyan+h")
LightWhite = ColorCode("white+h")
}
// ColorCode returns the ANSI color color code for style.
func ColorCode(style string) string {
return colorCode(style).String()
}
// Gets the ANSI color code for a style.
func colorCode(style string) *bytes.Buffer {
buf := bytes.NewBufferString("")
if plain || style == "" {
return buf
}
if style == "reset" {
buf.WriteString(Reset)
return buf
} else if style == "off" {
return buf
}
foregroundBackground := strings.Split(style, ":")
foreground := strings.Split(foregroundBackground[0], "+")
fgKey := foreground[0]
fg := Colors[fgKey]
fgStyle := ""
if len(foreground) > 1 {
fgStyle = foreground[1]
}
bg, bgStyle := "", ""
if len(foregroundBackground) > 1 {
background := strings.Split(foregroundBackground[1], "+")
bg = background[0]
if len(background) > 1 {
bgStyle = background[1]
}
}
buf.WriteString(start)
base := normalIntensityFG
if len(fgStyle) > 0 {
if strings.Contains(fgStyle, "b") {
buf.WriteString(bold)
}
if strings.Contains(fgStyle, "B") {
buf.WriteString(blink)
}
if strings.Contains(fgStyle, "u") {
buf.WriteString(underline)
}
if strings.Contains(fgStyle, "i") {
buf.WriteString(inverse)
}
if strings.Contains(fgStyle, "s") {
buf.WriteString(strikethrough)
}
if strings.Contains(fgStyle, "h") {
base = highIntensityFG
}
}
// if 256-color
n, err := strconv.Atoi(fgKey)
if err == nil {
fmt.Fprintf(buf, "38;5;%d;", n)
} else {
fmt.Fprintf(buf, "%d;", base+fg)
}
base = normalIntensityBG
if len(bg) > 0 {
if strings.Contains(bgStyle, "h") {
base = highIntensityBG
}
// if 256-color
n, err := strconv.Atoi(bg)
if err == nil {
fmt.Fprintf(buf, "48;5;%d;", n)
} else {
fmt.Fprintf(buf, "%d;", base+Colors[bg])
}
}
// remove last ";"
buf.Truncate(buf.Len() - 1)
buf.WriteRune('m')
return buf
}
// Color colors a string based on the ANSI color code for style.
func Color(s, style string) string {
if plain || len(style) < 1 {
return s
}
buf := colorCode(style)
buf.WriteString(s)
buf.WriteString(Reset)
return buf.String()
}
// ColorFunc creates a closure to avoid computation ANSI color code.
func ColorFunc(style string) func(string) string {
if style == "" {
return func(s string) string {
return s
}
}
color := ColorCode(style)
return func(s string) string {
if plain || s == "" {
return s
}
buf := bytes.NewBufferString(color)
buf.WriteString(s)
buf.WriteString(Reset)
result := buf.String()
return result
}
}
// DisableColors disables ANSI color codes. The default is false (colors are on).
func DisableColors(disable bool) {
plain = disable
if plain {
Black = ""
Red = ""
Green = ""
Yellow = ""
Blue = ""
Magenta = ""
Cyan = ""
White = ""
LightBlack = ""
LightRed = ""
LightGreen = ""
LightYellow = ""
LightBlue = ""
LightMagenta = ""
LightCyan = ""
LightWhite = ""
} else {
Black = ColorCode("black")
Red = ColorCode("red")
Green = ColorCode("green")
Yellow = ColorCode("yellow")
Blue = ColorCode("blue")
Magenta = ColorCode("magenta")
Cyan = ColorCode("cyan")
White = ColorCode("white")
LightBlack = ColorCode("black+h")
LightRed = ColorCode("red+h")
LightGreen = ColorCode("green+h")
LightYellow = ColorCode("yellow+h")
LightBlue = ColorCode("blue+h")
LightMagenta = ColorCode("magenta+h")
LightCyan = ColorCode("cyan+h")
LightWhite = ColorCode("white+h")
}
}
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