podman

Форк
0
/
yamlprivateh.go 
173 строки · 4.8 Кб
1
package yaml
2

3
const (
4
	// The size of the input raw buffer.
5
	input_raw_buffer_size = 512
6

7
	// The size of the input buffer.
8
	// It should be possible to decode the whole raw buffer.
9
	input_buffer_size = input_raw_buffer_size * 3
10

11
	// The size of the output buffer.
12
	output_buffer_size = 128
13

14
	// The size of the output raw buffer.
15
	// It should be possible to encode the whole output buffer.
16
	output_raw_buffer_size = (output_buffer_size*2 + 2)
17

18
	// The size of other stacks and queues.
19
	initial_stack_size  = 16
20
	initial_queue_size  = 16
21
	initial_string_size = 16
22
)
23

24
// Check if the character at the specified position is an alphabetical
25
// character, a digit, '_', or '-'.
26
func is_alpha(b []byte, i int) bool {
27
	return b[i] >= '0' && b[i] <= '9' || b[i] >= 'A' && b[i] <= 'Z' || b[i] >= 'a' && b[i] <= 'z' || b[i] == '_' || b[i] == '-'
28
}
29

30
// Check if the character at the specified position is a digit.
31
func is_digit(b []byte, i int) bool {
32
	return b[i] >= '0' && b[i] <= '9'
33
}
34

35
// Get the value of a digit.
36
func as_digit(b []byte, i int) int {
37
	return int(b[i]) - '0'
38
}
39

40
// Check if the character at the specified position is a hex-digit.
41
func is_hex(b []byte, i int) bool {
42
	return b[i] >= '0' && b[i] <= '9' || b[i] >= 'A' && b[i] <= 'F' || b[i] >= 'a' && b[i] <= 'f'
43
}
44

45
// Get the value of a hex-digit.
46
func as_hex(b []byte, i int) int {
47
	bi := b[i]
48
	if bi >= 'A' && bi <= 'F' {
49
		return int(bi) - 'A' + 10
50
	}
51
	if bi >= 'a' && bi <= 'f' {
52
		return int(bi) - 'a' + 10
53
	}
54
	return int(bi) - '0'
55
}
56

57
// Check if the character is ASCII.
58
func is_ascii(b []byte, i int) bool {
59
	return b[i] <= 0x7F
60
}
61

62
// Check if the character at the start of the buffer can be printed unescaped.
63
func is_printable(b []byte, i int) bool {
64
	return ((b[i] == 0x0A) || // . == #x0A
65
		(b[i] >= 0x20 && b[i] <= 0x7E) || // #x20 <= . <= #x7E
66
		(b[i] == 0xC2 && b[i+1] >= 0xA0) || // #0xA0 <= . <= #xD7FF
67
		(b[i] > 0xC2 && b[i] < 0xED) ||
68
		(b[i] == 0xED && b[i+1] < 0xA0) ||
69
		(b[i] == 0xEE) ||
70
		(b[i] == 0xEF && // #xE000 <= . <= #xFFFD
71
			!(b[i+1] == 0xBB && b[i+2] == 0xBF) && // && . != #xFEFF
72
			!(b[i+1] == 0xBF && (b[i+2] == 0xBE || b[i+2] == 0xBF))))
73
}
74

75
// Check if the character at the specified position is NUL.
76
func is_z(b []byte, i int) bool {
77
	return b[i] == 0x00
78
}
79

80
// Check if the beginning of the buffer is a BOM.
81
func is_bom(b []byte, i int) bool {
82
	return b[0] == 0xEF && b[1] == 0xBB && b[2] == 0xBF
83
}
84

85
// Check if the character at the specified position is space.
86
func is_space(b []byte, i int) bool {
87
	return b[i] == ' '
88
}
89

90
// Check if the character at the specified position is tab.
91
func is_tab(b []byte, i int) bool {
92
	return b[i] == '\t'
93
}
94

95
// Check if the character at the specified position is blank (space or tab).
96
func is_blank(b []byte, i int) bool {
97
	//return is_space(b, i) || is_tab(b, i)
98
	return b[i] == ' ' || b[i] == '\t'
99
}
100

101
// Check if the character at the specified position is a line break.
102
func is_break(b []byte, i int) bool {
103
	return (b[i] == '\r' || // CR (#xD)
104
		b[i] == '\n' || // LF (#xA)
105
		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
106
		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
107
		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9) // PS (#x2029)
108
}
109

110
func is_crlf(b []byte, i int) bool {
111
	return b[i] == '\r' && b[i+1] == '\n'
112
}
113

114
// Check if the character is a line break or NUL.
115
func is_breakz(b []byte, i int) bool {
116
	//return is_break(b, i) || is_z(b, i)
117
	return (        // is_break:
118
	b[i] == '\r' || // CR (#xD)
119
		b[i] == '\n' || // LF (#xA)
120
		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
121
		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
122
		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
123
		// is_z:
124
		b[i] == 0)
125
}
126

127
// Check if the character is a line break, space, or NUL.
128
func is_spacez(b []byte, i int) bool {
129
	//return is_space(b, i) || is_breakz(b, i)
130
	return ( // is_space:
131
	b[i] == ' ' ||
132
		// is_breakz:
133
		b[i] == '\r' || // CR (#xD)
134
		b[i] == '\n' || // LF (#xA)
135
		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
136
		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
137
		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
138
		b[i] == 0)
139
}
140

141
// Check if the character is a line break, space, tab, or NUL.
142
func is_blankz(b []byte, i int) bool {
143
	//return is_blank(b, i) || is_breakz(b, i)
144
	return ( // is_blank:
145
	b[i] == ' ' || b[i] == '\t' ||
146
		// is_breakz:
147
		b[i] == '\r' || // CR (#xD)
148
		b[i] == '\n' || // LF (#xA)
149
		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
150
		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
151
		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
152
		b[i] == 0)
153
}
154

155
// Determine the width of the character.
156
func width(b byte) int {
157
	// Don't replace these by a switch without first
158
	// confirming that it is being inlined.
159
	if b&0x80 == 0x00 {
160
		return 1
161
	}
162
	if b&0xE0 == 0xC0 {
163
		return 2
164
	}
165
	if b&0xF0 == 0xE0 {
166
		return 3
167
	}
168
	if b&0xF8 == 0xF0 {
169
		return 4
170
	}
171
	return 0
172

173
}
174

Использование cookies

Мы используем файлы cookie в соответствии с Политикой конфиденциальности и Политикой использования cookies.

Нажимая кнопку «Принимаю», Вы даете АО «СберТех» согласие на обработку Ваших персональных данных в целях совершенствования нашего веб-сайта и Сервиса GitVerse, а также повышения удобства их использования.

Запретить использование cookies Вы можете самостоятельно в настройках Вашего браузера.