feat: Add lorem ipsum generator

README.md

@@ -28,25 +28,28 @@ Flags:
   -t, --trim    Trim output (for piping)
 
 Commands:
-  base64 encode    Encode with base64
-  base64 decode    Decode with base64
-  count chars      Count characters
-  count words      Count words
-  case camel       formatCamelCase
-  case lower       format lower
-  case random      ForMat rANdom CaSE
-  case snake       format_snake_case
-  case upper       FORMAT UPPER
-  hash sha256      Calculate Sha256
-  hash sha512      Calculate Sha512
-  hash md5         Calculate MD5
-  hex to           Convert to hexadecimal
-  hex from         Convert hexadecimal back
-  htpasswd         Create a htpasswd string
-  reverse          Reverse the input
-  url encode       Encode string to valid URL
-  url decode       Decode URL to string
-  version          Show version information
+  base64 encode       Encode with base64
+  base64 decode       Decode with base64
+  count chars         Count characters
+  count words         Count words
+  case camel          formatCamelCase
+  case lower          format lower
+  case random         ForMat rANdom CaSE
+  case snake          format_snake_case
+  case upper          FORMAT UPPER
+  hash sha256         Calculate Sha256
+  hash sha512         Calculate Sha512
+  hash md5            Calculate MD5
+  hex to              Convert to hexadecimal
+  hex from            Convert hexadecimal back
+  lorem words         Words
+  lorem sentences     Sentences
+  lorem paragraphs    Paragraphs
+  htpasswd            Create a htpasswd string
+  reverse             Reverse the input
+  url encode          Encode string to valid URL
+  url decode          Decode URL to string
+  version             Show version information
 
 Run "gstring <command> --help" for more information on a command.
 ```
@@ -78,13 +81,14 @@ Most of the commands work with stdin so you have to pipe content, for example:
 
 ```sh
 echo "hello world" | gstring case camel
-gstring sha 256 < main.go
+gstring hash sha256 < main.go # äquivalent to sha256sum main.go
 ```
 
 However, some commands read from named arguments, for example:
 
 ```sh
 gstring htpasswd -u bar -p test
+gstring lorem sentences -c 20
 ```
 
 ## What about the name?

cli.go

@@ -34,6 +34,11 @@ type CLI struct {
 		ToHex   toHexCmd   `cmd:"" name:"to" help:"Convert to hexadecimal"`
 		FromHex fromHexCmd `cmd:"" name:"from" help:"Convert hexadecimal back"`
 	} `cmd:"" name:"hex" help:"Hexadeicmal converting"`
+	Lorem struct {
+		Words      loremWordsCmd      `cmd:"" help:"Words"`
+		Sentences  loremSentencesCmd  `cmd:"" help:"Sentences"`
+		Paragraphs loremParagraphsCmd `cmd:"" help:"Paragraphs"`
+	} `cmd:"" help:"Generate Lorem Ipsum"`
 	HtPassWD HtPassWDCmd `cmd:"" name:"htpasswd" help:"Create a htpasswd string"`
 	Reverse  reverseCmd  `cmd:"" help:"Reverse the input"`
 	URL      struct {
@@ -283,3 +288,31 @@ func (c *decodeURLCmd) Run(globals *Globals) error {
 		return nil
 	}()
 }
+
+type loremWordsCmd struct {
+	Count int `default:"5" short:"c" help:"Number of words"`
+}
+type loremSentencesCmd struct {
+	Count int `default:"1" short:"c" help:"Number of sentences"`
+}
+type loremParagraphsCmd struct {
+	Count int `default:"1" short:"c" help:"Number of Paragraphs"`
+}
+
+func (c *loremWordsCmd) Run(globals *Globals) error {
+	lorem := generateLoremIpsum("words", c.Count)
+	printOutput(lorem, false)
+	return nil
+}
+
+func (c *loremSentencesCmd) Run(globals *Globals) error {
+	lorem := generateLoremIpsum("sentences", c.Count)
+	printOutput(lorem, false)
+	return nil
+}
+
+func (c *loremParagraphsCmd) Run(globals *Globals) error {
+	lorem := generateLoremIpsum("paragraphs", c.Count)
+	printOutput(lorem, false)
+	return nil
+}

lorem.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"strings"
+)
+
+var loremIpsum = `Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ultrices sagittis orci a scelerisque purus. At volutpat diam ut venenatis tellus in. Mattis rhoncus urna neque viverra justo nec ultrices dui sapien. Tellus orci ac auctor augue mauris. Eu scelerisque felis imperdiet proin fermentum. Tortor id aliquet lectus proin nibh nisl condimentum id. Id donec ultrices tincidunt arcu non sodales. Ultrices dui sapien eget mi proin. Bibendum neque egestas congue quisque egestas diam. Sem fringilla ut morbi tincidunt augue interdum. Vel risus commodo viverra maecenas accumsan lacus vel facilisis volutpat. Morbi blandit cursus risus at ultrices mi tempus. Adipiscing vitae proin sagittis nisl rhoncus mattis rhoncus. Sapien pellentesque habitant morbi tristique senectus et netus et malesuada.`
+
+var loremIpsumWords = strings.Fields(loremIpsum)
+var loremIpsumSentences = strings.Split(loremIpsum, ".")
+
+func generateLoremIpsum(lengthType string, count int) string {
+	switch lengthType {
+	case "words":
+		return generateWords(count)
+	case "sentences":
+		return generateSentences(count)
+	case "paragraphs":
+		return generateParagraphs(count)
+	default:
+		return "Invalid length type. Please specify 'words', 'sentences', or 'paragraphs'."
+	}
+}
+
+func generateWords(count int) string {
+	var words strings.Builder
+	for i := range count {
+		index := i % len(loremIpsumWords)
+		if i > 0 {
+			words.WriteString(" ")
+		}
+		words.WriteString(loremIpsumWords[index])
+	}
+	return words.String()
+}
+
+func generateSentences(count int) string {
+	var sentences strings.Builder
+	for i := range count {
+		index := i % len(loremIpsumSentences)
+		sentences.WriteString(loremIpsumSentences[index])
+		sentences.WriteString(".")
+	}
+	return sentences.String()
+}
+
+func generateParagraphs(count int) string {
+	paragraphs := []string{}
+	for range count {
+		paragraphs = append(paragraphs, loremIpsum)
+	}
+	return strings.Join(paragraphs, "\n\n")
+}

lorem_test.go

@@ -0,0 +1,86 @@
+package main
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestGenerateWords(t *testing.T) {
+	tests := []struct {
+		count    int
+		expected string
+	}{
+		{5, "Lorem ipsum dolor sit amet,"},
+		{10, "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do"},
+		{50, strings.Join(loremIpsumWords[:50], " ")},
+	}
+
+	for _, tt := range tests {
+		t.Run(strings.Join(loremIpsumWords[:tt.count], " "), func(t *testing.T) {
+			result := generateWords(tt.count)
+			if result != tt.expected {
+				t.Errorf("generateWords(%d) = %q; want %q", tt.count, result, tt.expected)
+			}
+		})
+	}
+}
+
+func TestGenerateSentences(t *testing.T) {
+	tests := []struct {
+		count    int
+		expected string
+	}{
+		{1, loremIpsumSentences[0] + "."},
+		{2, strings.Join(loremIpsumSentences[:2], ".") + "."},
+		{5, strings.Join(loremIpsumSentences[:5], ".") + "."},
+	}
+
+	for _, tt := range tests {
+		t.Run(strings.Join(loremIpsumSentences[:tt.count], ".")+".", func(t *testing.T) {
+			result := generateSentences(tt.count)
+			if result != tt.expected {
+				t.Errorf("generateSentences(%d) = %q; want %q", tt.count, result, tt.expected)
+			}
+		})
+	}
+}
+
+func TestGenerateParagraphs(t *testing.T) {
+	tests := []struct {
+		count    int
+		expected string
+	}{
+		{1, loremIpsum},
+		{2, loremIpsum + "\n\n" + loremIpsum},
+	}
+
+	for _, tt := range tests {
+		t.Run(strings.Repeat(loremIpsum+"\n\n", tt.count)[:len(strings.Repeat(loremIpsum+"\n\n", tt.count))-2], func(t *testing.T) {
+			result := generateParagraphs(tt.count)
+			if result != tt.expected {
+				t.Errorf("generateParagraphs(%d) = %q; want %q", tt.count, result, tt.expected)
+			}
+		})
+	}
+}
+
+func TestGenerateLoremIpsum(t *testing.T) {
+	tests := []struct {
+		lengthType string
+		count      int
+		expected   string
+	}{
+		{"words", 5, "Lorem ipsum dolor sit amet,"},
+		{"sentences", 2, strings.Join(loremIpsumSentences[:2], ".") + "."},
+		{"paragraphs", 1, loremIpsum},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.lengthType, func(t *testing.T) {
+			result := generateLoremIpsum(tt.lengthType, tt.count)
+			if result != tt.expected {
+				t.Errorf("generateLoremIpsum(%q, %d) = %q; want %q", tt.lengthType, tt.count, result, tt.expected)
+			}
+		})
+	}
+}