replace zxq.co/ripple/hanayo
This commit is contained in:
Alicia
187
vendor/github.com/boombuler/barcode/ean/encoder.go
generated
vendored
Normal file
187
vendor/github.com/boombuler/barcode/ean/encoder.go
generated
vendored
Normal file
@@ -0,0 +1,187 @@
|
||||
// Package ean can create EAN 8 and EAN 13 barcodes.
|
||||
package ean
|
||||
|
||||
import (
|
||||
"errors"
|
||||
|
||||
"github.com/boombuler/barcode"
|
||||
"github.com/boombuler/barcode/utils"
|
||||
)
|
||||
|
||||
type encodedNumber struct {
|
||||
LeftOdd []bool
|
||||
LeftEven []bool
|
||||
Right []bool
|
||||
CheckSum []bool
|
||||
}
|
||||
|
||||
var encoderTable = map[rune]encodedNumber{
|
||||
'0': encodedNumber{
|
||||
[]bool{false, false, false, true, true, false, true},
|
||||
[]bool{false, true, false, false, true, true, true},
|
||||
[]bool{true, true, true, false, false, true, false},
|
||||
[]bool{false, false, false, false, false, false},
|
||||
},
|
||||
'1': encodedNumber{
|
||||
[]bool{false, false, true, true, false, false, true},
|
||||
[]bool{false, true, true, false, false, true, true},
|
||||
[]bool{true, true, false, false, true, true, false},
|
||||
[]bool{false, false, true, false, true, true},
|
||||
},
|
||||
'2': encodedNumber{
|
||||
[]bool{false, false, true, false, false, true, true},
|
||||
[]bool{false, false, true, true, false, true, true},
|
||||
[]bool{true, true, false, true, true, false, false},
|
||||
[]bool{false, false, true, true, false, true},
|
||||
},
|
||||
'3': encodedNumber{
|
||||
[]bool{false, true, true, true, true, false, true},
|
||||
[]bool{false, true, false, false, false, false, true},
|
||||
[]bool{true, false, false, false, false, true, false},
|
||||
[]bool{false, false, true, true, true, false},
|
||||
},
|
||||
'4': encodedNumber{
|
||||
[]bool{false, true, false, false, false, true, true},
|
||||
[]bool{false, false, true, true, true, false, true},
|
||||
[]bool{true, false, true, true, true, false, false},
|
||||
[]bool{false, true, false, false, true, true},
|
||||
},
|
||||
'5': encodedNumber{
|
||||
[]bool{false, true, true, false, false, false, true},
|
||||
[]bool{false, true, true, true, false, false, true},
|
||||
[]bool{true, false, false, true, true, true, false},
|
||||
[]bool{false, true, true, false, false, true},
|
||||
},
|
||||
'6': encodedNumber{
|
||||
[]bool{false, true, false, true, true, true, true},
|
||||
[]bool{false, false, false, false, true, false, true},
|
||||
[]bool{true, false, true, false, false, false, false},
|
||||
[]bool{false, true, true, true, false, false},
|
||||
},
|
||||
'7': encodedNumber{
|
||||
[]bool{false, true, true, true, false, true, true},
|
||||
[]bool{false, false, true, false, false, false, true},
|
||||
[]bool{true, false, false, false, true, false, false},
|
||||
[]bool{false, true, false, true, false, true},
|
||||
},
|
||||
'8': encodedNumber{
|
||||
[]bool{false, true, true, false, true, true, true},
|
||||
[]bool{false, false, false, true, false, false, true},
|
||||
[]bool{true, false, false, true, false, false, false},
|
||||
[]bool{false, true, false, true, true, false},
|
||||
},
|
||||
'9': encodedNumber{
|
||||
[]bool{false, false, false, true, false, true, true},
|
||||
[]bool{false, false, true, false, true, true, true},
|
||||
[]bool{true, true, true, false, true, false, false},
|
||||
[]bool{false, true, true, false, true, false},
|
||||
},
|
||||
}
|
||||
|
||||
func calcCheckNum(code string) rune {
|
||||
x3 := len(code) == 7
|
||||
sum := 0
|
||||
for _, r := range code {
|
||||
curNum := utils.RuneToInt(r)
|
||||
if curNum < 0 || curNum > 9 {
|
||||
return 'B'
|
||||
}
|
||||
if x3 {
|
||||
curNum = curNum * 3
|
||||
}
|
||||
x3 = !x3
|
||||
sum += curNum
|
||||
}
|
||||
|
||||
return utils.IntToRune((10 - (sum % 10)) % 10)
|
||||
}
|
||||
|
||||
func encodeEAN8(code string) *utils.BitList {
|
||||
result := new(utils.BitList)
|
||||
result.AddBit(true, false, true)
|
||||
|
||||
for cpos, r := range code {
|
||||
num, ok := encoderTable[r]
|
||||
if !ok {
|
||||
return nil
|
||||
}
|
||||
var data []bool
|
||||
if cpos < 4 {
|
||||
data = num.LeftOdd
|
||||
} else {
|
||||
data = num.Right
|
||||
}
|
||||
|
||||
if cpos == 4 {
|
||||
result.AddBit(false, true, false, true, false)
|
||||
}
|
||||
result.AddBit(data...)
|
||||
}
|
||||
result.AddBit(true, false, true)
|
||||
|
||||
return result
|
||||
}
|
||||
|
||||
func encodeEAN13(code string) *utils.BitList {
|
||||
result := new(utils.BitList)
|
||||
result.AddBit(true, false, true)
|
||||
|
||||
var firstNum []bool
|
||||
for cpos, r := range code {
|
||||
num, ok := encoderTable[r]
|
||||
if !ok {
|
||||
return nil
|
||||
}
|
||||
if cpos == 0 {
|
||||
firstNum = num.CheckSum
|
||||
continue
|
||||
}
|
||||
|
||||
var data []bool
|
||||
if cpos < 7 { // Left
|
||||
if firstNum[cpos-1] {
|
||||
data = num.LeftEven
|
||||
} else {
|
||||
data = num.LeftOdd
|
||||
}
|
||||
} else {
|
||||
data = num.Right
|
||||
}
|
||||
|
||||
if cpos == 7 {
|
||||
result.AddBit(false, true, false, true, false)
|
||||
}
|
||||
result.AddBit(data...)
|
||||
}
|
||||
result.AddBit(true, false, true)
|
||||
return result
|
||||
}
|
||||
|
||||
// Encode returns a EAN 8 or EAN 13 barcode for the given code
|
||||
func Encode(code string) (barcode.BarcodeIntCS, error) {
|
||||
var checkSum int
|
||||
if len(code) == 7 || len(code) == 12 {
|
||||
code += string(calcCheckNum(code))
|
||||
checkSum = utils.RuneToInt(calcCheckNum(code))
|
||||
} else if len(code) == 8 || len(code) == 13 {
|
||||
check := code[0 : len(code)-1]
|
||||
check += string(calcCheckNum(check))
|
||||
if check != code {
|
||||
return nil, errors.New("checksum missmatch")
|
||||
}
|
||||
checkSum = utils.RuneToInt(rune(code[len(code)-1]))
|
||||
}
|
||||
|
||||
if len(code) == 8 {
|
||||
result := encodeEAN8(code)
|
||||
if result != nil {
|
||||
return utils.New1DCodeIntCheckSum(barcode.TypeEAN8, code, result, checkSum), nil
|
||||
}
|
||||
} else if len(code) == 13 {
|
||||
result := encodeEAN13(code)
|
||||
if result != nil {
|
||||
return utils.New1DCodeIntCheckSum(barcode.TypeEAN13, code, result, checkSum), nil
|
||||
}
|
||||
}
|
||||
return nil, errors.New("invalid ean code data")
|
||||
}
|
||||
46
vendor/github.com/boombuler/barcode/ean/encoder_test.go
generated
vendored
Normal file
46
vendor/github.com/boombuler/barcode/ean/encoder_test.go
generated
vendored
Normal file
@@ -0,0 +1,46 @@
|
||||
package ean
|
||||
|
||||
import (
|
||||
"image/color"
|
||||
"testing"
|
||||
)
|
||||
|
||||
func testHelper(t *testing.T, testCode, testResult, kind string, checkMetadata bool) {
|
||||
code, err := Encode(testCode)
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
if checkMetadata && (code.Metadata().Dimensions != 1 || code.Content() != testCode || code.Metadata().CodeKind != kind) {
|
||||
t.Error("Metadata missmatch")
|
||||
}
|
||||
if len(testResult) != code.Bounds().Max.X {
|
||||
t.Fail()
|
||||
}
|
||||
for i, r := range testResult {
|
||||
if (code.At(i, 0) == color.Black) != (r == '1') {
|
||||
t.Fail()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func Test_EncodeEAN(t *testing.T) {
|
||||
testHelper(t, "5901234123457", "10100010110100111011001100100110111101001110101010110011011011001000010101110010011101000100101", "EAN 13", true)
|
||||
testHelper(t, "55123457", "1010110001011000100110010010011010101000010101110010011101000100101", "EAN 8", true)
|
||||
testHelper(t, "5512345", "1010110001011000100110010010011010101000010101110010011101000100101", "EAN 8", false)
|
||||
_, err := Encode("55123458") //<-- Invalid checksum
|
||||
if err == nil {
|
||||
t.Error("Invalid checksum not detected")
|
||||
}
|
||||
_, err = Encode("invalid")
|
||||
if err == nil {
|
||||
t.Error("\"invalid\" should not be encodable")
|
||||
}
|
||||
_, err = Encode("invalid")
|
||||
if err == nil {
|
||||
t.Error("\"invalid\" should not be encodable")
|
||||
}
|
||||
bits := encodeEAN13("invalid error")
|
||||
if bits != nil {
|
||||
t.Error("\"invalid error\" should not be encodable")
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user