blob: c93ca12ed0d986f57e1fb6ee5aef8d7c48a6e600 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
// Copyright © 2020 rsiddharth <s@ricketyspace.net>
// SPDX-License-Identifier: ISC
package lib
func FillStr(a string, l int) string {
b := ""
if l < 1 {
return b
}
for i := 0; i < l; i++ {
b += a
}
return b
}
func FillBytes(c byte, l int) []byte {
if l < 1 {
return make([]byte, 0)
}
bs := make([]byte, l)
for i := 0; i < l; i++ {
bs[i] = c
}
return bs
}
func StrToBytes(s string) []byte {
bs := make([]byte, len(s))
for i := 0; i < len(s); i++ {
bs[i] = byte(s[i])
}
return bs
}
func BytesToStr(bs []byte) string {
s := ""
for i := 0; i < len(bs); i++ {
s += string(bs[i])
}
return s
}
// Strip space and newline characters from string.
func stripSpaceChars(s string) string {
ss := ""
for i := 0; i < len(s); i++ {
if s[i] == ' ' {
continue
}
if s[i] == '\n' {
continue
}
ss += string(s[i])
}
return ss
}
func AlphaPunchScore(bs []byte) int {
s := 0
for i := 0; i < len(bs); i++ {
if isAlphaPunch(bs[i]) {
s += 1
}
}
return s
}
// Returns true if byte 'c' is a non-numeric character in the English language.
func isAlphaPunch(c byte) bool {
switch {
case 'A' <= c && c <= 'Z':
return true
case 'a' <= c && c <= 'z':
return true
case c == ' ' || c == '.':
return true
case c == ',' || c == '\'':
return true
case c == '"':
return true
}
return false
}
func NumToChar(n int64) byte {
if 0 <= n && n <= 9 {
return byte(48 + n)
}
return 0
}
func NumToStr(n int64) string {
s := ""
for n != 0 {
s = string(NumToChar(n%10)) + s
n /= 10
}
return s
}
func StrSplitAt(c byte, s string) []string {
l := make([]string, 0)
acc := ""
for i := 0; i < len(s); i++ {
if s[i] == c {
l = append(l, acc)
acc = ""
} else {
acc += string(s[i])
}
}
if len(acc) > 0 {
l = append(l, acc)
}
return l
}
|
