Implement creation

.gitignore

@@ -0,0 +1,23 @@
+*.png
+
+# If you prefer the allow list template instead of the deny list, see community template:
+# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+#
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work

generation/aztec.go

@@ -0,0 +1,28 @@
+package generation
+
+import (
+	"fmt"
+
+	"github.com/boombuler/barcode"
+	"github.com/boombuler/barcode/aztec"
+)
+
+func generateAztec(parameters Parameters) (barcode.Barcode, error) {
+	var level uint8
+	switch parameters.ECCLevel {
+	case 1:
+		level = 7
+	case 2:
+		level = 15
+	case 3:
+		level = 25
+	case 4:
+		level = 30
+	}
+	aztecCode, err := aztec.Encode([]byte(parameters.Content), int(level), 0)
+	if err != nil {
+		fmt.Println("Error creating Barcode", err)
+	}
+
+	return aztecCode, err
+}

generation/codabar.go

@@ -0,0 +1,16 @@
+package generation
+
+import (
+	"fmt"
+
+	"github.com/boombuler/barcode"
+	"github.com/boombuler/barcode/codabar"
+)
+
+func generateCodabar(parameters Parameters) (barcode.Barcode, error) {
+	codabar, err := codabar.Encode(parameters.Content)
+	if err != nil {
+		fmt.Println("Error creating Barcode", err)
+	}
+	return codabar, err
+}

generation/code128.go

@@ -0,0 +1,16 @@
+package generation
+
+import (
+	"fmt"
+
+	"github.com/boombuler/barcode"
+	"github.com/boombuler/barcode/code128"
+)
+
+func generateCode128(parameters Parameters) (barcode.Barcode, error) {
+	barcode, err := code128.EncodeWithoutChecksum(parameters.Content)
+	if err != nil {
+		fmt.Println("Error creating Barcode", err)
+	}
+	return barcode, err
+}

generation/code93.go

@@ -0,0 +1,16 @@
+package generation
+
+import (
+	"fmt"
+
+	"github.com/boombuler/barcode"
+	"github.com/boombuler/barcode/code93"
+)
+
+func generateCode93(parameters Parameters) (barcode.Barcode, error) {
+	barcode, err := code93.Encode(parameters.Content, true, true)
+	if err != nil {
+		fmt.Println("Error creating Barcode", err)
+	}
+	return barcode, err
+}

generation/datamatrix.go

@@ -0,0 +1,16 @@
+package generation
+
+import (
+	"fmt"
+
+	"github.com/boombuler/barcode"
+	"github.com/boombuler/barcode/datamatrix"
+)
+
+func generateDatamatrix(parameters Parameters) (barcode.Barcode, error) {
+	barcode, err := datamatrix.Encode(parameters.Content)
+	if err != nil {
+		fmt.Println("Error creating Barcode", err)
+	}
+	return barcode, err
+}

generation/generate.go

@@ -0,0 +1,31 @@
+package generation
+
+import (
+	"fmt"
+
+	"github.com/boombuler/barcode"
+)
+
+func Generate(parameters Parameters) (barcode.Barcode, error) {
+	var barcode_content barcode.Barcode
+	var err error
+
+	switch parameters.Format {
+	case Aztec:
+		barcode_content, err = generateAztec(parameters)
+	case Codabar:
+		barcode_content, err = generateCodabar(parameters)
+	case Code93:
+		barcode_content, err = generateCode93(parameters)
+	case Code128:
+		barcode_content, err = generateCode128(parameters)
+	case QR:
+		barcode_content, err = generateQr(parameters)
+	case Datamatrix:
+		barcode_content, err = generateDatamatrix(parameters)
+	default:
+		fmt.Println("Unsupported barcode type: ", parameters.Format)
+	}
+
+	return barcode_content, err
+}

generation/qr.go

@@ -0,0 +1,28 @@
+package generation
+
+import (
+	"fmt"
+
+	"github.com/boombuler/barcode"
+	"github.com/boombuler/barcode/qr"
+)
+
+func generateQr(parameters Parameters) (barcode.Barcode, error) {
+	var level qr.ErrorCorrectionLevel
+	switch parameters.ECCLevel {
+	case 1:
+		level = qr.L
+	case 2:
+		level = qr.M
+	case 3:
+		level = qr.Q
+	case 4:
+		level = qr.H
+	}
+	qrCode, err := qr.Encode(parameters.Content, level, qr.Auto)
+	if err != nil {
+		fmt.Println("Error creating Barcode", err)
+	}
+
+	return qrCode, err
+}

generation/types.go

@@ -0,0 +1,29 @@
+package generation
+
+type BarcodeType string
+
+const (
+	Aztec      BarcodeType = "aztec"
+	Codabar    BarcodeType = "codabar"
+	Code93     BarcodeType = "code93"
+	Code128    BarcodeType = "code128"
+	QR         BarcodeType = "qr"
+	Datamatrix BarcodeType = "datamatrix"
+)
+
+type ECCLevel int
+
+const (
+	Low  ECCLevel = 1
+	Med  ECCLevel = 2
+	High ECCLevel = 3
+	Max  ECCLevel = 4
+)
+
+type Parameters struct {
+	Format   BarcodeType
+	ECCLevel ECCLevel
+	Content  string
+}
+
+//

go.mod

@@ -1,3 +1,5 @@
 module git.fjla.uk/fred.boniface/barcodes
 
 go 1.19
+
+require github.com/boombuler/barcode v1.0.1

go.sum

@@ -0,0 +1,2 @@
+github.com/boombuler/barcode v1.0.1 h1:NDBbPmhS+EqABEs5Kg3n/5ZNjy73Pz7SIV+KCeqyXcs=
+github.com/boombuler/barcode v1.0.1/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=

main.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"image/png"
+	"os"
+
+	"github.com/boombuler/barcode"
+
+	"git.fjla.uk/fred.boniface/barcodes/generation"
+	"git.fjla.uk/fred.boniface/barcodes/validation"
+)
+
+func main() {
+	barcodeType := flag.String("type", "", "Barcode type (aztec, codabar, code93, code128, qr)")
+	content := flag.String("content", "", "Barcode content")
+
+	flag.Parse()
+
+	if *barcodeType == "" || *content == "" {
+		fmt.Println("Usage: ./barcodes --type <barcode_type> --content <content>")
+		return
+	}
+
+	fmt.Printf("Barcode Type: %s\n", *barcodeType)
+	fmt.Printf("Barcode Content: %s\n", *content)
+
+	validation.Validate(*content, *barcodeType)
+
+	parameters := generation.Parameters{
+		Format:   generation.BarcodeType(*barcodeType),
+		ECCLevel: generation.ECCLevel(3),
+		Content:  *content,
+	}
+
+	generated_barcode, err := generation.Generate(parameters)
+	if err != nil {
+		fmt.Println("Error: ", err)
+		os.Exit(1)
+	}
+
+	generated_barcode, _ = barcode.Scale(generated_barcode, 200, 200)
+
+	file, _ := os.Create("barcode.png")
+	defer file.Close()
+	png.Encode(file, generated_barcode)
+
+}

strings/wifi.go

@@ -0,0 +1 @@
+package strings

validation/charsets.go

@@ -5,7 +5,9 @@ import "regexp"
 var (
 	ASCII    = regexp.MustCompile(`^[\x00-\x7F]+$`)
 	ANY      = regexp.MustCompile(`.`)
+	CODABAR  = regexp.MustCompile(`^[0-9-$:/.+]+$`)
 	CODE39   = regexp.MustCompile(`^[0-9A-Z\-\.\ $%*+/]+$`)
+	CODE93   = regexp.MustCompile(`^[A-Za-z0-9\-.\$/\+%\s]+$`)
 	NUMERAL  = regexp.MustCompile(`^[0-9]+$`)
 	ISO88591 = regexp.MustCompile(`^[\x00-\xFF]+$`)
 )

validation/rules.go

@@ -11,79 +11,82 @@ type rule struct {
 	divisible uint8
 }
 
-var aztec = rule{
-	minLength: 1,
-	maxLength: 3067,
-	charset:   *ANY,
-	divisible: 1,
-}
+var formatRules = map[string]rule{
 
-var code39 = rule{
-	minLength: 1,
-	maxLength: 80,
-	charset:   *CODE39,
-	divisible: 1,
-}
+	"2of5": {
+		minLength: 2,
+		maxLength: 80,
+		charset:   *NUMERAL,
+		divisible: 2,
+	},
 
-var code128 = rule{
-	minLength: 1,
-	maxLength: 80,
-	charset:   *ASCII,
-	divisible: 1,
-}
+	"aztec": {
+		minLength: 1,
+		maxLength: 3067,
+		charset:   *ANY,
+		divisible: 1,
+	},
 
-var datamatrix = rule{
-	minLength: 1,
-	maxLength: 2335,
-	charset:   *ANY,
-	divisible: 1,
-}
+	"codabar": {
+		minLength: 1,
+		maxLength: 100,
+		charset:   *CODABAR,
+		divisible: 1,
+	},
 
-var ean8 = rule{
-	minLength: 7,
-	maxLength: 7,
-	charset:   *NUMERAL,
-	divisible: 1,
-}
+	"code39": {
+		minLength: 1,
+		maxLength: 80,
+		charset:   *CODE39,
+		divisible: 1,
+	},
 
-var ean13 = rule{
-	minLength: 12,
-	maxLength: 12,
-	charset:   *NUMERAL,
-	divisible: 1,
-}
+	"code93": {
+		minLength: 1,
+		maxLength: 80,
+		charset:   *ASCII,
+		divisible: 1,
+	},
 
-var ean14 = rule{
-	minLength: 2,
-	maxLength: 80,
-	charset:   *NUMERAL,
-	divisible: 2,
-}
+	"code128": {
+		minLength: 1,
+		maxLength: 80,
+		charset:   *ASCII,
+		divisible: 1,
+	},
 
-var pdf417 = rule{
-	minLength: 1,
-	maxLength: 1100,
-	charset:   *ANY,
-	divisible: 1,
-}
+	"datamatrix": {
+		minLength: 1,
+		maxLength: 2335,
+		charset:   *ANY,
+		divisible: 1,
+	},
 
-var pzn7 = rule{
-	minLength: 7,
-	maxLength: 7,
-	charset:   *NUMERAL,
-	divisible: 1,
-}
+	"ean8": {
+		minLength: 7,
+		maxLength: 7,
+		charset:   *NUMERAL,
+		divisible: 1,
+	},
 
-var qr = rule{
-	minLength: 1,
-	maxLength: 4296,
-	charset:   *ISO88591,
-	divisible: 1,
-}
+	"ean13": {
+		minLength: 12,
+		maxLength: 12,
+		charset:   *NUMERAL,
+		divisible: 1,
+	},
 
-var upca = rule{
-	minLength: 11,
-	maxLength: 11,
-	charset:   *NUMERAL,
-	divisible: 1,
+	"pdf417": {
+		minLength: 1,
+		maxLength: 1100,
+		charset:   *ANY,
+		divisible: 1,
+	},
+
+	"qr": {
+		minLength: 1,
+		maxLength: 4296,
+		charset:   *ISO88591,
+		divisible: 1,
+	},
 }

validation/validate.go

@@ -3,7 +3,7 @@ package validation
 import "fmt"
 
 func Validate(input string, format string) bool {
-	rule, exists := barcodeRules[format]
+	rule, exists := formatRules[format]
 	if !exists {
 		fmt.Printf("Error: No rule found for format '%s'\n", format)
 		return false