Cyber-Knight/fancycolors/colors.go

package fancycolors

import (
	"fmt"
	"log"
	"regexp"
	"strings"

	door "git.red-green.com/redgreen/doorgo"
)

const pipeCodeRegex = "(\\`(.))+"

var match_reg = regexp.MustCompile(pipeCodeRegex)

// Replaces all short color codes into their ANSI colors
func ReplaceAll(input string) string {
	for {
		hit := match_reg.FindStringIndex(input)
		if len(hit) == 0 {
			return input
		}
		match := input[hit[0]:hit[1]]
		input = strings.ReplaceAll(input, match, Color(match))
	}
}

// Removes all short color codes from the string
func StripAll(input string) string {
	for {
		hit := match_reg.FindStringIndex(input)
		if len(hit) == 0 {
			return input
		}
		match := input[hit[0]:hit[1]]
		input = strings.ReplaceAll(input, match, "")
	}
}

// I use the official Darkness v2.0 short codes! (Taken directly from the game)
//
// Foreground only (Background is always black, and no blinking)
func Color(code string) string {
	if code[0] == '`' { // In case we call it manually
		code = code[1:]
	}
	switch code {
	case "1": // Dark Blue
		return door.ColorText("BLU ON BLA")
	case "2": // Dark Green
		return door.ColorText("GRE ON BLA")
	case "3": // Dark Cyan
		return door.ColorText("CYA ON BLA")
	case "4": // Dark Red
		return door.ColorText("RED ON BLA")
	case "5": // Dark Magenta
		return door.ColorText("MAG ON BLA")
	case "6": // Brown
		return door.ColorText("BRO ON BLA")
	case "7": // Gray
		return door.ColorText("WHI ON BLA")
	case "8": // Dark Gray
		return door.ColorText("BRI BLA ON BLA")
	case "9": // Bright Blue
		return door.ColorText("BRI BLU ON BLA")
	case "0": // Bright Green
		return door.ColorText("BRI GRE ON BLA")
	case "!": // Bright Cyan
		return door.ColorText("BRI CYA ON BLA")
	case "@": // Bright Red
		return door.ColorText("BRI RED ON BLA")
	case "#": // Bright Magenta
		return door.ColorText("BRI MAG ON BLA")
	case "$": // Yellow
		return door.ColorText("BRI BRO ON BLA")
	case "%": // White
		return door.ColorText("BRI WHI ON BLA")
	default:
		log.Printf("PipeColor.Color('%s') Invalid code", code)
		return ""
	}
}

var cachedPanel *door.Panel

// Makes a panel to show each of the colors and their codes
func MakePanel() *door.Panel {
	if cachedPanel == nil {
		width := 22
		p := &door.Panel{
			Width:       width,
			Style:       door.SINGLE,
			BorderColor: Color("`3"),
			Title:       "[ Colors ]",
			TitleColor:  Color("`!"),
			TitleOffset: width/2 - 5,
		}

		bar := "\xdb"
		if door.Unicode {
			bar = "\u2588"
		}

		nice := func(colorname, colorsymbol string) {
			p.Lines = append(p.Lines, door.Line{
				Text: fmt.Sprintf(Color("%")+"%-22s"+p.BorderColor, fmt.Sprintf("%-15s %s %s"+bar+bar+bar, colorname, colorsymbol, Color(colorsymbol))),
			})
		}

		nice("Dark Blue", "`1")
		nice("Dark Green", "`2")
		nice("Dark Cyan", "`3")
		nice("Dark Red", "`4")
		nice("Dark Magenta", "`5")
		nice("Brown", "`6")
		nice("Gray", "`7")
		nice("Dark Gray", "`8")
		p.Lines = append(p.Lines, p.Spacer())
		nice("Bright Blue", "`9")
		nice("Bright Green", "`0")
		nice("Bright Cyan", "`!")
		nice("Bright Red", "`@")
		nice("Bright Magenta", "`#")
		nice("Yellow", "`$")
		nice("White", "`%")
		p.Lines = append(p.Lines, door.Line{
			Text: fmt.Sprintf(Color("%")+"%-22s"+p.BorderColor,
				"Black    Not Available"),
		})
		cachedPanel = p
	}

	return cachedPanel
}