Adding support for hexadecimal

Author: abhimanyu003

README.md

@@ -92,6 +92,8 @@ sttr -i "your string"
 - [x] JSON To YAML
 - [x] YAML To JSON
 - [x] Hex To RGB
+- [x] Hexadecimal To String
+- [x] String to Hexadecimal
 - [x] Sort Lines
 - [x] **and adding more....**
 

main.go

@@ -7,7 +7,7 @@ import (
 	"github.com/abhimanyu003/sttr/processors"
 	"os"
 	"strings"
-  
+
 	"github.com/charmbracelet/bubbles/list"
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/lipgloss"
@@ -51,6 +51,8 @@ var items = []list.Item{
 	item{title: "YAML To JSON", desc: "Convert YAML to JSON text", processor: processors.YAMLToJSON},
 
 	item{title: "Hex To RGB", desc: "Convert a #Hex code to RGB", processor: processors.HexToRGB},
+	item{title: "Hexadecimal To String", desc: "Convert Hexadecimal to String", processor: processors.HexToString},
+	item{title: "String To Hexadecimal", desc: "Convert your text to Hexadecimal", processor: processors.StringToHex},
 
 	item{title: "Sort Lines", desc: "Sort lines alphabetically", processor: processors.SortLines},
 }

processors/hex.go

@@ -0,0 +1,30 @@
+package processors
+
+import (
+	"encoding/hex"
+	"fmt"
+
+	"github.com/lucasb-eyer/go-colorful"
+)
+
+// HexToRGB convert hex color code to R, G, B codes
+// here we are using input library helper.
+func HexToRGB(input string) string {
+	c, _ := colorful.Hex(input)
+
+	return fmt.Sprintf("%d, %d, %d", int(c.R*255), int(c.G*255), int(c.B*255))
+}
+
+// HexToString convert hex color code to R, G, B codes
+// here we are using input library helper.
+func HexToString(input string) string {
+	output, _ := hex.DecodeString(input)
+
+	return string(output)
+}
+
+// StringToHex convert hex color code to R, G, B codes
+// here we are using input library helper.
+func StringToHex(input string) string {
+	return hex.EncodeToString([]byte(input))
+}

processors/hex_test.go

@@ -0,0 +1,101 @@
+package processors
+
+import "testing"
+
+func TestHexToRGB(t *testing.T) {
+	type args struct {
+		input string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "Hex with # string",
+			args: args{input: "#FF5733"},
+			want: "255, 87, 51",
+		},
+		{
+			name: "HEX string with wrong string",
+			args: args{input: "#PPPPP"},
+			want: "0, 0, 0",
+		},
+		{
+			name: "HEX string with wrong string",
+			args: args{input: "FF5733"},
+			want: "0, 0, 0",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := HexToRGB(tt.args.input); got != tt.want {
+				t.Errorf("HexToRGB() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestHexToString(t *testing.T) {
+	type args struct {
+		input string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "String",
+			args: args{input: "7468697320697320737472696e67"},
+			want: "this is string",
+		}, {
+			name: "Emoji",
+			args: args{input: "f09f9883f09f9887f09f9983f09f9982f09f9889f09f988cf09f9899f09f9897f09f87aef09f87b3"},
+			want: "😃😇🙃🙂😉😌😙😗🇮🇳",
+		}, {
+			name: "Multi line string",
+			args: args{input: "48656c6c6f0a666f6f0a6261720a666f6f0a6630300a252a265e2a265e260a2a2a2a"},
+			want: "Hello\nfoo\nbar\nfoo\nf00\n%*&^*&^&\n***",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := HexToString(tt.args.input); got != tt.want {
+				t.Errorf("HexToString() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestStringToHex(t *testing.T) {
+	type args struct {
+		input string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "String",
+			args: args{input: "this is string"},
+			want: "7468697320697320737472696e67",
+		}, {
+			name: "Emoji",
+			args: args{input: "😃😇🙃🙂😉😌😙😗🇮🇳"},
+			want: "f09f9883f09f9887f09f9983f09f9982f09f9889f09f988cf09f9899f09f9897f09f87aef09f87b3",
+		}, {
+			name: "Multi line string",
+			args: args{input: "Hello\nfoo\nbar\nfoo\nf00\n%*&^*&^&\n***"},
+			want: "48656c6c6f0a666f6f0a6261720a666f6f0a6630300a252a265e2a265e260a2a2a2a",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := StringToHex(tt.args.input); got != tt.want {
+				t.Errorf("StringToHex() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}