Renamed library from figlet4go to motdGO & updated all references

2025-10-29 17:50:24 +00:00 · 2023-08-13 19:56:36 +02:00
parent 55130e1711
commit 7ed608e205
6 changed files with 6 additions and 6 deletions
--- a/cmd/motdGO/main.go
+++ b/cmd/motdGO/main.go
@@ -0,0 +1,126 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"github.com/kevinmidboe/motdGO"
+	"log"
+	"os"
+	"strings"
+)
+
+var (
+	str      *string = flag.String("str", "", "String to be converted with FIGlet")
+	font     *string = flag.String("font", "", "Font name to use")
+	fontpath *string = flag.String("fontpath", "", "Font path to load fonts from")
+	colors   *string = flag.String("colors", "", "Character colors separated by ';'\n\tPossible colors: black, red, green, yellow, blue, magenta, cyan, white, or any hexcode (f.e. '885DBA')")
+	parser   *string = flag.String("parser", "terminal", "Parser to use\tPossible parsers: terminal, html")
+	file     *string = flag.String("file", "", "File to write to")
+)
+
+func main() {
+	// Parse the flags
+	flag.Parse()
+
+	// Validate and log the error
+	validate()
+
+	// Create objects
+	ascii := figlet4go.NewAsciiRender()
+	options := figlet4go.NewRenderOptions()
+
+	// Load fonts
+	if *fontpath != "" {
+		ascii.LoadFont(*fontpath)
+	}
+
+	// Set the font
+	options.FontName = *font
+
+	// Set the parser
+	p, err := figlet4go.GetParser(*parser)
+	if err != nil {
+		p, _ = figlet4go.GetParser("terminal")
+	}
+	options.Parser = *p
+
+	// Set colors
+	if *colors != "" {
+		options.FontColor = getColorSlice(*colors)
+	}
+
+	// Render the string
+	renderStr, err := ascii.RenderOpts(*str, options)
+	formattedStr := strings.ReplaceAll(renderStr, "L", "_")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// Write to file if given
+	if *file != "" {
+		// Create file
+		f, err := os.Create(*file)
+		defer f.Close()
+		if err != nil {
+			log.Fatal(err)
+		}
+		// Write to file
+		b, err := f.WriteString(formattedStr)
+		if err != nil {
+			log.Fatal(err)
+		}
+		fmt.Printf("Wrote %d bytes to %s\n", b, *file)
+		return
+	}
+
+	// Default is printing
+	fmt.Print(formattedStr)
+}
+
+// Get a slice with colors to give to the RenderOptions
+// Splits the given string with the separator ";"
+func getColorSlice(colorStr string) []figlet4go.Color {
+
+	givenColors := strings.Split(colorStr, ";")
+
+	colors := make([]figlet4go.Color, len(givenColors))
+
+	for i, c := range givenColors {
+		switch c {
+		case "black":
+			colors[i] = figlet4go.ColorBlack
+		case "red":
+			colors[i] = figlet4go.ColorRed
+		case "green":
+			colors[i] = figlet4go.ColorGreen
+		case "yellow":
+			colors[i] = figlet4go.ColorYellow
+		case "blue":
+			colors[i] = figlet4go.ColorBlue
+		case "magenta":
+			colors[i] = figlet4go.ColorMagenta
+		case "cyan":
+			colors[i] = figlet4go.ColorCyan
+		case "white":
+			colors[i] = figlet4go.ColorWhite
+		default:
+			// Try to parse the TrueColor from the string
+			color, err := figlet4go.NewTrueColorFromHexString(c)
+			if err != nil {
+				log.Fatal(err)
+			}
+			colors[i] = color
+		}
+	}
+
+	return colors
+}
+
+// Validate if all required options are given
+// flag.Parse() must be called before this
+func validate() {
+	if *str == "" {
+		flag.Usage()
+		os.Exit(1)
+	}
+}