blob: 98b16e98c7cf0df8b6abe962a488dfd6f3c30dca (
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
119
120
121
122
123
124
125
126
127
128
129
130
|
// 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
}
func StrToUpper(s string) string {
us := ""
for i := 0; i < len(s); i++ {
if 'a' <= s[i] && s[i] <= 'z' {
us += string('A' + (s[i] - 'a'))
} else {
us += string(s[i])
}
}
return us
}
|
