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[mac] migrated colour code

This commit is contained in:
Lea Anthony 2021-10-14 20:38:11 +11:00
parent 15cd325034
commit 616ecabb41
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5 changed files with 2107 additions and 0 deletions

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package main
import (
"bytes"
_ "embed"
"encoding/json"
"io/ioutil"
"log"
"net/http"
"os"
"path/filepath"
"text/template"
)
type Rgb struct {
R uint8 `json:"r"`
G uint8 `json:"g"`
B uint8 `json:"b"`
}
type Hsl struct {
H float64 `json:"h"`
S float64 `json:"s"`
L float64 `json:"l"`
}
type InputCol struct {
Colorid uint8 `json:"colorId"`
Hexstring string `json:"hexString"`
Rgb Rgb `json:"rgb"`
Hsl Hsl `json:"hsl"`
Name string `json:"name"`
}
//go:embed gen.tmpl
var Template string
func main() {
var Cols []InputCol
resp, err := http.Get("https://jonasjacek.github.io/colors/data.json")
if err != nil {
log.Fatal(err)
}
defer resp.Body.Close()
data, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Fatal(err)
}
err = json.Unmarshal(data, &Cols)
if err != nil {
log.Fatal(err)
}
t, err := template.New("cols").Parse(Template)
if err != nil {
log.Fatal(err)
}
var buffer bytes.Buffer
err = t.Execute(&buffer, Cols)
if err != nil {
log.Fatal(err)
}
os.WriteFile(filepath.Join("..", "cols.go"), buffer.Bytes(), 0755)
}

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package menu
type Rgb struct {
R uint8 `json:"r"`
G uint8 `json:"g"`
B uint8 `json:"b"`
}
type Hsl struct {
H float64 `json:"h"`
S float64 `json:"s"`
L float64 `json:"l"`
}
type Col struct {
Hex string `json:"hex"`
Rgb Rgb `json:"rgb"`
Hsl Hsl `json:"hsl"`
Name string `json:"name"`
}
var Cols = []*Col{ {{range $col := .}}
{
Hex: "{{.Hexstring}}",
Rgb: Rgb{ {{.Rgb.R}}, {{.Rgb.G}}, {{.Rgb.B}} },
Hsl: Hsl{ {{.Hsl.H}}, {{.Hsl.S}}, {{.Hsl.L}} },
Name: "{{.Name}}",
},{{end}}
}

1559
v2/pkg/menu/cols.go Executable file

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256
v2/pkg/menu/styledlabel.go Normal file
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package menu
import (
"fmt"
"strconv"
"strings"
)
type TextStyle int
const (
Bold TextStyle = 1 << 0
Faint TextStyle = 1 << 1
Italic TextStyle = 1 << 2
Blinking TextStyle = 1 << 3
Inversed TextStyle = 1 << 4
Invisible TextStyle = 1 << 5
Underlined TextStyle = 1 << 6
Strikethrough TextStyle = 1 << 7
)
type StyledText struct {
Label string
FgCol *Col
BgCol *Col
Style TextStyle
}
func (s *StyledText) Bold() bool {
return s.Style&Bold == Bold
}
func (s *StyledText) Faint() bool {
return s.Style&Faint == Faint
}
func (s *StyledText) Italic() bool {
return s.Style&Italic == Italic
}
func (s *StyledText) Blinking() bool {
return s.Style&Blinking == Blinking
}
func (s *StyledText) Inversed() bool {
return s.Style&Inversed == Inversed
}
func (s *StyledText) Invisible() bool {
return s.Style&Invisible == Invisible
}
func (s *StyledText) Underlined() bool {
return s.Style&Underlined == Underlined
}
func (s *StyledText) Strikethrough() bool {
return s.Style&Strikethrough == Strikethrough
}
var ansiColorMap = map[string]map[string]*Col{
"Normal": {
"30": Cols[0],
"31": Cols[1],
"32": Cols[2],
"33": Cols[3],
"34": Cols[4],
"35": Cols[5],
"36": Cols[6],
"37": Cols[7],
},
"Bold": {
"30": Cols[8],
"31": Cols[9],
"32": Cols[10],
"33": Cols[11],
"34": Cols[12],
"35": Cols[13],
"36": Cols[14],
"37": Cols[15],
},
"Faint": {
"30": Cols[0],
"31": Cols[1],
"32": Cols[2],
"33": Cols[3],
"34": Cols[4],
"35": Cols[5],
"36": Cols[6],
"37": Cols[7],
},
}
func ParseANSI(input string) ([]*StyledText, error) {
var result []*StyledText
invalid := fmt.Errorf("invalid ansi string")
missingTerminator := fmt.Errorf("missing escape terminator 'm'")
invalidTrueColorSequence := fmt.Errorf("invalid TrueColor sequence")
invalid256ColSequence := fmt.Errorf("invalid 256 colour sequence")
index := 0
var currentStyledText *StyledText = &StyledText{}
if len(input) == 0 {
return nil, invalid
}
for {
// Read all chars to next escape code
esc := strings.Index(input, "\033[")
// If no more esc chars, save what's left and return
if esc == -1 {
text := input[index:]
if len(text) > 0 {
currentStyledText.Label = text
result = append(result, currentStyledText)
}
return result, nil
}
label := input[:esc]
if len(label) > 0 {
currentStyledText.Label = label
result = append(result, currentStyledText)
currentStyledText = &StyledText{
Label: "",
FgCol: currentStyledText.FgCol,
BgCol: currentStyledText.BgCol,
Style: currentStyledText.Style,
}
}
input = input[esc:]
// skip
input = input[2:]
// Read in params
endesc := strings.Index(input, "m")
if endesc == -1 {
return nil, missingTerminator
}
paramText := input[:endesc]
input = input[endesc+1:]
params := strings.Split(paramText, ";")
colourMap := ansiColorMap["Normal"]
skip := 0
for index, param := range params {
if skip > 0 {
skip--
continue
}
switch param {
case "0":
// Reset styles
if len(params) == 1 {
if len(currentStyledText.Label) > 0 {
result = append(result, currentStyledText)
currentStyledText = &StyledText{
Label: "",
FgCol: currentStyledText.FgCol,
BgCol: currentStyledText.BgCol,
Style: currentStyledText.Style,
}
continue
}
}
currentStyledText.Style = 0
currentStyledText.FgCol = nil
currentStyledText.BgCol = nil
case "1":
// Bold
colourMap = ansiColorMap["Bold"]
currentStyledText.Style |= Bold
case "2":
// Dim/Feint
colourMap = ansiColorMap["Faint"]
currentStyledText.Style |= Faint
case "3":
// Italic
currentStyledText.Style |= Italic
case "4":
// Underlined
currentStyledText.Style |= Underlined
case "5":
// Blinking
currentStyledText.Style |= Blinking
case "7":
// Inverse
currentStyledText.Style |= Inversed
case "8":
// Invisible
currentStyledText.Style |= Invisible
case "9":
// Strikethrough
currentStyledText.Style |= Strikethrough
case "30", "31", "32", "33", "34", "35", "36", "37":
currentStyledText.FgCol = colourMap[param]
case "40", "41", "42", "43", "44", "45", "46", "47":
currentStyledText.BgCol = colourMap[param]
case "38", "48":
if len(params)-index < 2 {
return nil, invalid
}
// 256 colours
if params[index+1] == "5" {
skip = 2
colIndexText := params[index+2]
colIndex, err := strconv.Atoi(colIndexText)
if err != nil {
return nil, invalid256ColSequence
}
if colIndex < 0 || colIndex > 255 {
return nil, invalid256ColSequence
}
if param == "38" {
currentStyledText.FgCol = Cols[colIndex]
continue
}
currentStyledText.BgCol = Cols[colIndex]
continue
}
// we must have 4 params left
if len(params)-index < 4 {
return nil, invalidTrueColorSequence
}
if params[index+1] != "2" {
return nil, invalidTrueColorSequence
}
var r, g, b uint8
ri, err := strconv.Atoi(params[index+2])
if err != nil {
return nil, invalidTrueColorSequence
}
gi, err := strconv.Atoi(params[index+3])
if err != nil {
return nil, invalidTrueColorSequence
}
bi, err := strconv.Atoi(params[index+4])
if err != nil {
return nil, invalidTrueColorSequence
}
if bi > 255 || gi > 255 || ri > 255 {
return nil, invalidTrueColorSequence
}
if bi < 0 || gi < 0 || ri < 0 {
return nil, invalidTrueColorSequence
}
r = uint8(ri)
g = uint8(gi)
b = uint8(bi)
skip = 4
colvalue := fmt.Sprintf("#%02x%02x%02x", r, g, b)
if param == "38" {
currentStyledText.FgCol = &Col{Hex: colvalue, Rgb: Rgb{r, g, b}}
continue
}
currentStyledText.BgCol = &Col{Hex: colvalue}
default:
return nil, invalid
}
}
}
return result, nil
}

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package menu
import (
"testing"
"github.com/matryer/is"
)
func TestParseAnsi16SingleColour(t *testing.T) {
is := is.New(t)
tests := []struct {
name string
input string
wantText string
wantColor string
wantErr bool
}{
{"No formatting", "Hello World", "Hello World", "", false},
{"Black", "\u001b[0;30mHello World\033[0m", "Hello World", "Black", false},
{"Red", "\u001b[0;31mHello World\033[0m", "Hello World", "Maroon", false},
{"Green", "\u001b[0;32m\033[0m", "", "Green", false},
{"Yellow", "\u001b[0;33m😀\033[0m", "😀", "Olive", false},
{"Blue", "\u001b[0;34m123\033[0m", "123", "Navy", false},
{"Purple", "\u001b[0;35m👩🏽🔧\u001B[0m", "👩🏽‍🔧", "Purple", false},
{"Cyan", "\033[0;36m😀\033[0m", "😀", "Teal", false},
{"White", "\u001b[0;37m[0;37m\033[0m", "[0;37m", "Silver", false},
{"Black Bold", "\u001b[1;30mHello World\033[0m", "Hello World", "Grey", false},
{"Red Bold", "\u001b[1;31mHello World\033[0m", "Hello World", "Red", false},
{"Green Bold", "\u001b[1;32m\033[0m", "", "Lime", false},
{"Yellow Bold", "\u001b[1;33m😀\033[0m", "😀", "Yellow", false},
{"Blue Bold", "\u001b[1;34m123\033[0m", "123", "Blue", false},
{"Purple Bold", "\u001b[1;35m👩🏽🔧\u001B[0m", "👩🏽‍🔧", "Fuchsia", false},
{"Cyan Bold", "\033[1;36m😀\033[0m", "😀", "Aqua", false},
{"White Bold", "\u001b[1;37m[0;37m\033[0m", "[0;37m", "White", false},
{"Blank", "", "", "", true},
{"Emoji", "😀👩🏽‍🔧", "😀👩🏽‍🔧", "", false},
{"Spaces", " ", " ", "", false},
{"Bad code", "\u001b[1 ", "", "", true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := ParseANSI(tt.input)
is.Equal(err != nil, tt.wantErr)
expectedLength := 1
if tt.wantErr {
expectedLength = 0
}
is.Equal(len(got), expectedLength)
if expectedLength == 1 {
if len(tt.wantColor) > 0 {
is.True(got[0].FgCol != nil)
is.Equal(got[0].FgCol.Name, tt.wantColor)
}
}
})
}
}
func TestParseAnsi16MultiColour(t *testing.T) {
is := is.New(t)
tests := []struct {
name string
input string
want []*StyledText
wantErr bool
}{
{"Black & Red", "\u001B[0;30mHello World\u001B[0m\u001B[0;31mHello World\u001B[0m", []*StyledText{
{Label: "Hello World", FgCol: &Col{Name: "Black"}},
{Label: "Hello World", FgCol: &Col{Name: "Maroon"}},
}, false},
{"Text then Black & Red", "This is great!\u001B[0;30mHello World\u001B[0m\u001B[0;31mHello World\u001B[0m", []*StyledText{
{Label: "This is great!"},
{Label: "Hello World", FgCol: &Col{Name: "Black"}},
{Label: "Hello World", FgCol: &Col{Name: "Maroon"}},
}, false},
{"Text Reset then Black & Red", "This is great!\u001B[0m\u001B[0;30mHello World\u001B[0m\u001B[0;31mHello World\u001B[0m", []*StyledText{
{Label: "This is great!"},
{Label: "Hello World", FgCol: &Col{Name: "Black"}},
{Label: "Hello World", FgCol: &Col{Name: "Maroon"}},
}, false},
{"Black & Red no reset", "\u001B[0;30mHello World\u001B[0;31mHello World", []*StyledText{
{Label: "Hello World", FgCol: &Col{Name: "Black"}},
{Label: "Hello World", FgCol: &Col{Name: "Maroon"}},
}, false},
{"Black,space,Red", "\u001B[0;30mHello World\u001B[0m \u001B[0;31mHello World\u001B[0m", []*StyledText{
{Label: "Hello World", FgCol: &Col{Name: "Black"}},
{Label: " "},
{Label: "Hello World", FgCol: &Col{Name: "Maroon"}},
}, false},
{"Black,Red,Blue,Green underlined", "\033[4;30mBlack\u001B[0m\u001B[4;31mRed\u001B[0m\u001B[4;34mBlue\u001B[0m\u001B[4;32mGreen\u001B[0m", []*StyledText{
{Label: "Black", FgCol: &Col{Name: "Black"}, Style: Underlined},
{Label: "Red", FgCol: &Col{Name: "Maroon"}, Style: Underlined},
{Label: "Blue", FgCol: &Col{Name: "Navy"}, Style: Underlined},
{Label: "Green", FgCol: &Col{Name: "Green"}, Style: Underlined},
}, false},
{"Black,Red,Blue,Green bold", "\033[1;30mBlack\u001B[0m\u001B[1;31mRed\u001B[0m\u001B[1;34mBlue\u001B[0m\u001B[1;32mGreen\u001B[0m", []*StyledText{
{Label: "Black", FgCol: &Col{Name: "Grey"}, Style: Bold},
{Label: "Red", FgCol: &Col{Name: "Red"}, Style: Bold},
{Label: "Blue", FgCol: &Col{Name: "Blue"}, Style: Bold},
{Label: "Green", FgCol: &Col{Name: "Lime"}, Style: Bold},
}, false},
{"Green Feint & Yellow Italic", "\u001B[2;32m👩🏽🔧\u001B[0m\u001B[0;3;33m👩🏽🔧\u001B[0m", []*StyledText{
{Label: "👩🏽‍🔧", FgCol: &Col{Name: "Green"}, Style: Faint},
{Label: "👩🏽‍🔧", FgCol: &Col{Name: "Olive"}, Style: Italic},
}, false},
{"Green Blinking & Yellow Inversed", "\u001B[5;32m👩🏽🔧\u001B[0m\u001B[0;7;33m👩🏽🔧\u001B[0m", []*StyledText{
{Label: "👩🏽‍🔧", FgCol: &Col{Name: "Green"}, Style: Blinking},
{Label: "👩🏽‍🔧", FgCol: &Col{Name: "Olive"}, Style: Inversed},
}, false},
{"Green Invisible & Yellow Invisible & Strikethrough", "\u001B[8;32m👩🏽🔧\u001B[0m\u001B[9;33m👩🏽🔧\u001B[0m", []*StyledText{
{Label: "👩🏽‍🔧", FgCol: &Col{Name: "Green"}, Style: Invisible},
{Label: "👩🏽‍🔧", FgCol: &Col{Name: "Olive"}, Style: Invisible | Strikethrough},
}, false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := ParseANSI(tt.input)
is.Equal(err != nil, tt.wantErr)
for index, w := range tt.want {
is.Equal(got[index].Label, w.Label)
if w.FgCol != nil {
is.Equal(got[index].FgCol.Name, w.FgCol.Name)
}
is.Equal(got[index].Style, w.Style)
}
})
}
}
func TestParseAnsi256(t *testing.T) {
is := is.New(t)
tests := []struct {
name string
input string
want []*StyledText
wantErr bool
}{
{"Grey93 & DarkViolet", "\u001B[38;5;255mGrey93\u001B[0m\u001B[38;5;128mDarkViolet\u001B[0m", []*StyledText{
{Label: "Grey93", FgCol: &Col{Name: "Grey93"}},
{Label: "DarkViolet", FgCol: &Col{Name: "DarkViolet"}},
}, false},
{"Grey93 Bold & DarkViolet Italic", "\u001B[0;1;38;5;255mGrey93\u001B[0m\u001B[0;3;38;5;128mDarkViolet\u001B[0m", []*StyledText{
{Label: "Grey93", FgCol: &Col{Name: "Grey93"}, Style: Bold},
{Label: "DarkViolet", FgCol: &Col{Name: "DarkViolet"}, Style: Italic},
}, false},
{"Grey93 Bold & DarkViolet Italic", "\u001B[0;1;38;5;256mGrey93\u001B[0m", nil, true},
{"Grey93 Bold & DarkViolet Italic", "\u001B[0;1;38;5;-1mGrey93\u001B[0m", nil, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := ParseANSI(tt.input)
is.Equal(err != nil, tt.wantErr)
for index, w := range tt.want {
is.Equal(got[index].Label, w.Label)
if w.FgCol != nil {
is.Equal(got[index].FgCol.Name, w.FgCol.Name)
}
is.Equal(got[index].Style, w.Style)
}
})
}
}
func TestParseAnsiTrueColor(t *testing.T) {
is := is.New(t)
tests := []struct {
name string
input string
want []*StyledText
wantErr bool
}{
{"Red", "\u001B[38;2;255;0;0mRed\u001B[0m", []*StyledText{
{Label: "Red", FgCol: &Col{Rgb: Rgb{255, 0, 0}, Hex: "#ff0000"}},
}, false},
{"Red, text, Green", "\u001B[38;2;255;0;0mRed\u001B[0mI am plain text\u001B[38;2;0;255;0mGreen\u001B[0m", []*StyledText{
{Label: "Red", FgCol: &Col{Rgb: Rgb{255, 0, 0}, Hex: "#ff0000"}},
{Label: "I am plain text"},
{Label: "Green", FgCol: &Col{Rgb: Rgb{0, 255, 0}, Hex: "#00ff00"}},
}, false},
{"Bad 1", "\u001B[38;2;256;0;0mRed\u001B[0m", nil, true},
{"Bad 2", "\u001B[38;2;-1;0;0mRed\u001B[0m", nil, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := ParseANSI(tt.input)
is.Equal(err != nil, tt.wantErr)
for index, w := range tt.want {
is.Equal(got[index].Label, w.Label)
if w.FgCol != nil {
is.Equal(got[index].FgCol.Hex, w.FgCol.Hex)
is.Equal(got[index].FgCol.Rgb, w.FgCol.Rgb)
}
is.Equal(got[index].Style, w.Style)
}
})
}
}