1 files changed, 56 insertions, 0 deletions
diff --git a/internal/exporter/exporter.go b/internal/exporter/exporter.go
new file mode 100644
index 0000000..3ecf6ef
--- /dev/null
+++ b/internal/exporter/exporter.go
@@ -0,0 +1,56 @@
+package exporter
+
+import (
+	"fmt"
+	"strings"
+)
+
+const (
+	rgbFormat = iota
+	hexFormat
+	hslFormat
+	hwbFormat
+)
+
+func Export(hex string, format int) string {
+	switch format {
+	case hexFormat:
+		return hex
+	case rgbFormat:
+		return toRgb(hex)
+	case hslFormat:
+		return "Not Implemented yet..."
+	case hwbFormat:
+		return "Not Implemented yet..."
+	default:
+		return "Unknown export format requested"
+	}
+}
+
+func toRgb(hex string) string {
+	hex = strings.TrimPrefix(hex, "#")
+	r, g, b := HexToI(hex[:2]), HexToI(hex[2:4]), HexToI(hex[4:6])
+	return fmt.Sprintf("rgb(%d, %d, %d)", r, g, b)
+}
+
+func HexToI(s string) int {
+	lenS := len(s) - 1
+	chars := "0123456789ABCDEF"
+	s = strings.ToUpper(s)
+	var ttl int = 0
+
+	for n := lenS; n >= 0; n-- {
+		done := false
+		for i := 0; i < len(chars); i++ {
+			if s[n] == chars[i] {
+				ttl += i * (n << 4)
+				done = true
+				break
+			}
+		}
+		if !done { // Still not done after checking all chars
+			return -1
+		}
+	}
+	return ttl
+}