|
1
|
|
|
package hkid |
|
2
|
|
|
|
|
3
|
|
|
import ( |
|
4
|
|
|
"regexp" |
|
5
|
|
|
"strconv" |
|
6
|
|
|
"strings" |
|
7
|
|
|
) |
|
8
|
|
|
|
|
9
|
|
|
func clearString(s string) string { |
|
10
|
1 |
|
newString := strings.Trim(s, " ") |
|
11
|
1 |
|
newString = strings.ToUpper(newString) |
|
12
|
1 |
|
return newString |
|
13
|
|
|
} |
|
14
|
|
|
|
|
15
|
|
|
func getRemainder(hkid *hkid) string { |
|
16
|
1 |
|
charSum := getCharSum(hkid.part1) |
|
17
|
1 |
|
hkidSum := calPart2Remainder(hkid.part2, charSum) |
|
18
|
|
|
|
|
19
|
1 |
|
remainder := "" |
|
20
|
|
|
|
|
21
|
1 |
|
switch hkidSum { |
|
22
|
|
|
case 11: |
|
23
|
1 |
|
remainder = "0" |
|
24
|
|
|
case 10: |
|
25
|
1 |
|
remainder = "A" |
|
26
|
|
|
default: |
|
27
|
1 |
|
remainder = strconv.Itoa(hkidSum) |
|
28
|
|
|
} |
|
29
|
|
|
|
|
30
|
1 |
|
return remainder |
|
31
|
|
|
} |
|
32
|
|
|
|
|
33
|
|
|
func calPart2Remainder(s string, i int) int { |
|
34
|
1 |
|
sum := 0 |
|
35
|
|
|
|
|
36
|
1 |
|
for k, v := range s { |
|
37
|
1 |
|
i, _ := strconv.Atoi(string(v)) |
|
38
|
1 |
|
sum += (7 - k) * i |
|
39
|
|
|
} |
|
40
|
|
|
|
|
41
|
1 |
|
mod := 11 |
|
42
|
1 |
|
return mod - ((i + sum) % mod) |
|
43
|
|
|
} |
|
44
|
|
|
|
|
45
|
|
|
func getCharSum(part1 string) int { |
|
46
|
1 |
|
charMap := getCharMap() |
|
47
|
1 |
|
if len(part1) == 1 { |
|
48
|
1 |
|
return 324 + charMap[part1]*8 |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
1 |
|
total := 0 |
|
52
|
1 |
|
weight := getWeight() |
|
53
|
1 |
|
for k, v := range part1 { |
|
54
|
1 |
|
total += weight[k] * charMap[string(v)] |
|
55
|
|
|
} |
|
56
|
1 |
|
return total |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
func getWeight() map[int]int { |
|
60
|
1 |
|
weight := make(map[int]int) |
|
61
|
1 |
|
weight[0] = 9 |
|
62
|
1 |
|
weight[1] = 8 |
|
63
|
1 |
|
return weight |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
func getCharMap() map[string]int { |
|
67
|
1 |
|
asciiNum := 65 // Uppercase A |
|
68
|
1 |
|
idCharMap := make(map[string]int) |
|
69
|
|
|
|
|
70
|
1 |
|
for i := 0; i <= 26; i++ { |
|
71
|
1 |
|
idCharMap[string(i+asciiNum)] = 10 + i |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
1 |
|
return idCharMap |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
func validatePatten(string string) (*hkid, error) { |
|
78
|
1 |
|
r, _ := regexp.Compile(`^(?P<p1>\D{1,2})(?P<p2>\d{6})\((?P<p3>[\w{1}0-9aA])\)$`) |
|
79
|
1 |
|
match := r.FindStringSubmatch(string) |
|
80
|
1 |
|
if len(match) == 0 { |
|
81
|
1 |
|
return newHkidNil(), newPatterNotMatchError() |
|
82
|
|
|
} |
|
83
|
1 |
|
return newHkid(match[1], match[2], match[3]), nil |
|
84
|
|
|
} |
|
85
|
|
|
|
iLexN /
go-hkid
