Create go/util/tocase.go

src/go/util/tocase.go

@@ -0,0 +1,83 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"math/rand"
+	"os"
+	"strings"
+	"unicode"
+)
+
+func toCamelCase(input string) string {
+	words := splitWords(input)
+	for i := range words {
+		if i > 0 {
+			words[i] = strings.Title(words[i])
+		} else {
+			words[i] = strings.ToLower(words[i])
+		}
+	}
+	return strings.Join(words, "")
+}
+
+func toPascalCase(input string) string {
+	words := splitWords(input)
+	for i := range words {
+		words[i] = strings.Title(words[i])
+	}
+	return strings.Join(words, "")
+}
+
+func toRandomCase(input string) string {
+	var result strings.Builder
+	for _, r := range input {
+		if rand.Intn(100) < 60 { // 50% doesn't feel random
+			result.WriteRune(unicode.ToUpper(r))
+		} else {
+			result.WriteRune(unicode.ToLower(r))
+		}
+	}
+	return result.String()
+}
+
+func toSnakeCase(input string) string {
+	words := splitWords(input)
+	for i := range words {
+		words[i] = strings.ToLower(words[i])
+	}
+	return strings.Join(words, "_")
+}
+
+func splitWords(input string) []string {
+	return strings.FieldsFunc(input, func(r rune) bool {
+		return r == ' ' || r == '-' || r == '_' || r == '.'
+	})
+}
+
+func main() {
+	camel := flag.Bool("camel", false, "Convert to CamelCase")
+	pascal := flag.Bool("pascal", false, "Convert to PascalCase")
+	random := flag.Bool("random", false, "Convert to rAnDoM")
+	snake := flag.Bool("snake", false, "Convert to snake_case")
+	flag.Parse()
+
+	if len(flag.Args()) == 0 {
+		fmt.Println("Please provide a string to convert.")
+		os.Exit(1)
+	}
+
+	input := strings.Join(flag.Args(), " ")
+
+	if *camel {
+		fmt.Println(toCamelCase(input))
+	} else if *pascal {
+		fmt.Println(toPascalCase(input))
+	} else if *random {
+		fmt.Println(toRandomCase(input))
+	} else if *snake {
+		fmt.Println(toSnakeCase(input))
+	} else {
+		fmt.Println("Please specify a conversion type: --camel, --pascal, --snake, or --random")
+	}
+}