forked from alecthomas/chroma
/
caddyfile.go
205 lines (199 loc) · 5.59 KB
/
caddyfile.go
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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
package c
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// CaddyfileCommon are the rules common to both of the lexer variants
var CaddyfileCommon = Rules{
"site_block_common": {
// Import keyword
{`(import)(\s+)([^\s]+)`, ByGroups(Keyword, Text, NameVariableMagic), nil},
// Matcher definition
{`@[^\s]+\s+`, NameDecorator, Push("matcher")},
// These are special, they can nest more directives
{`handle|route|handle_path|not`, Keyword, Push("nested_directive")},
// Any other directive
{`[^\s#]+`, Keyword, Push("directive")},
Include("base"),
},
"matcher": {
{`\{`, Punctuation, Push("block")},
// Not can be one-liner
{`not`, Keyword, Push("deep_not_matcher")},
// Any other same-line matcher
{`[^\s#]+`, Keyword, Push("arguments")},
// Terminators
{`\n`, Text, Pop(1)},
{`\}`, Punctuation, Pop(1)},
Include("base"),
},
"block": {
{`\}`, Punctuation, Pop(2)},
// Not can be one-liner
{`not`, Keyword, Push("not_matcher")},
// Any other subdirective
{`[^\s#]+`, Keyword, Push("subdirective")},
Include("base"),
},
"nested_block": {
{`\}`, Punctuation, Pop(2)},
// Matcher definition
{`@[^\s]+\s+`, NameDecorator, Push("matcher")},
// Any other directive
{`[^\s#]+`, Keyword, Push("nested_directive")},
Include("base"),
},
"not_matcher": {
{`\}`, Punctuation, Pop(2)},
{`\{(?=\s)`, Punctuation, Push("block")},
{`[^\s#]+`, Keyword, Push("arguments")},
{`\s+`, Text, nil},
},
"deep_not_matcher": {
{`\}`, Punctuation, Pop(2)},
{`\{(?=\s)`, Punctuation, Push("block")},
{`[^\s#]+`, Keyword, Push("deep_subdirective")},
{`\s+`, Text, nil},
},
"directive": {
{`\{(?=\s)`, Punctuation, Push("block")},
Include("matcher_token"),
Include("comments_pop"),
{`\n`, Text, Pop(1)},
Include("base"),
},
"nested_directive": {
{`\{(?=\s)`, Punctuation, Push("nested_block")},
Include("matcher_token"),
Include("comments_pop"),
{`\n`, Text, Pop(1)},
Include("base"),
},
"subdirective": {
{`\{(?=\s)`, Punctuation, Push("block")},
Include("comments_pop"),
{`\n`, Text, Pop(1)},
Include("base"),
},
"arguments": {
{`\{(?=\s)`, Punctuation, Push("block")},
Include("comments_pop"),
{`\n`, Text, Pop(2)},
Include("base"),
},
"deep_subdirective": {
{`\{(?=\s)`, Punctuation, Push("block")},
Include("comments_pop"),
{`\n`, Text, Pop(3)},
Include("base"),
},
"matcher_token": {
{`@[^\s]+`, NameDecorator, Push("arguments")}, // Named matcher
{`/[^\s]+`, NameDecorator, Push("arguments")}, // Path matcher
{`\*`, NameDecorator, Push("arguments")}, // Wildcard path matcher
{`\[\<matcher\>\]`, NameDecorator, Push("arguments")}, // Matcher token stub for docs
},
"comments": {
{`^#.*\n`, CommentSingle, nil}, // Comment at start of line
{`\s+#.*\n`, CommentSingle, nil}, // Comment preceded by whitespace
},
"comments_pop": {
{`^#.*\n`, CommentSingle, Pop(1)}, // Comment at start of line
{`\s+#.*\n`, CommentSingle, Pop(1)}, // Comment preceded by whitespace
},
"base": {
Include("comments"),
{`on|off`, NameConstant, nil},
{`(https?://)?([a-z0-9.-]+)(:)([0-9]+)`, ByGroups(Name, Name, Punctuation, LiteralNumberInteger), nil},
{`[a-z-]+/[a-z-+]+`, LiteralString, nil},
{`[0-9]+[km]?\b`, LiteralNumberInteger, nil},
{`\{[\w+.-]+\}`, NameAttribute, nil}, // Placeholder
{`[^\s#{}$]+`, LiteralString, nil},
{`/[^\s#]*`, Name, nil},
{`\s+`, Text, nil},
},
}
// CaddyfileRules are the merged rules for the main Caddyfile lexer
var CaddyfileRules = (func(a Rules, b Rules) Rules {
for k, v := range b {
a[k] = v
}
return a
})(
Rules{
"root": {
Include("comments"),
// Global options block
{`^\s*(\{)\s*$`, ByGroups(Punctuation), Push("globals")},
// Snippets
{`(\([^\s#]+\))(\s*)(\{)`, ByGroups(NameVariableAnonymous, Text, Punctuation), Push("snippet")},
// Site label
{`[^#{(\s,]+`, NameLabel, Push("label")},
// Site label with placeholder
{`\{[\w+.-]+\}`, NameAttribute, Push("label")},
{`\s+`, Text, nil},
},
"globals": {
{`\}`, Punctuation, Pop(1)},
{`[^\s#]+`, KeywordType, Push("directive")},
Include("base"),
},
"snippet": {
{`\}`, Punctuation, Pop(1)},
// Matcher definition
{`@[^\s]+\s+`, NameDecorator, Push("matcher")},
// Any directive
{`[^\s#]+`, KeywordType, Push("directive")},
Include("base"),
},
"label": {
{`,`, Text, nil},
{` `, Text, nil},
{`[^#{(\s,]+`, NameLabel, nil},
// Comment after non-block label (hack because comments end in \n)
{`#.*\n`, CommentSingle, Push("site_block")},
// Note: if \n, we'll never pop out of the site_block, it's valid
{`\{(?=\s)|\n`, Punctuation, Push("site_block")},
},
"site_block": {
{`\}`, Punctuation, Pop(2)},
Include("site_block_common"),
},
},
CaddyfileCommon,
)
// CaddyfileDirectiveRules are the merged rules for the secondary lexer
var CaddyfileDirectiveRules = (func(a Rules, b Rules) Rules {
for k, v := range b {
a[k] = v
}
return a
})(
Rules{
// Same as "site_block" in Caddyfile
"root": {
Include("site_block_common"),
},
},
CaddyfileCommon,
)
// Caddyfile lexer.
var Caddyfile = internal.Register(MustNewLexer(
&Config{
Name: "Caddyfile",
Aliases: []string{"caddyfile", "caddy"},
Filenames: []string{"Caddyfile*"},
MimeTypes: []string{},
},
CaddyfileRules,
))
// Caddyfile directive-only lexer.
var CaddyfileDirectives = internal.Register(MustNewLexer(
&Config{
Name: "Caddyfile Directives",
Aliases: []string{"caddyfile-directives", "caddyfile-d", "caddy-d"},
Filenames: []string{},
MimeTypes: []string{},
},
CaddyfileDirectiveRules,
))