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|
package lexers
import (
. "github.com/alecthomas/chroma/v2" // nolint
)
// caddyfileCommon are the rules common to both of the lexer variants
func caddyfileCommonRules() Rules {
return Rules{
"site_block_common": {
// Import keyword
{`(import)(\s+)([^\s]+)`, ByGroups(Keyword, Text, NameVariableMagic), nil},
// Matcher definition
{`@[^\s]+(?=\s)`, NameDecorator, Push("matcher")},
// Matcher token stub for docs
{`\[\<matcher\>\]`, NameDecorator, Push("matcher")},
// These cannot have matchers but may have things that look like
// matchers in their arguments, so we just parse as a subdirective.
{`try_files`, Keyword, Push("subdirective")},
// These are special, they can nest more directives
{`handle_errors|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")},
// Something that starts with literally < is probably a docs stub
{`\<[^#]+\>`, Keyword, Push("nested_directive")},
// 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_1"),
{`\n`, Text, Pop(1)},
Include("base"),
},
"nested_directive": {
{`\{(?=\s)`, Punctuation, Push("nested_block")},
Include("matcher_token"),
Include("comments_pop_1"),
{`\n`, Text, Pop(1)},
Include("base"),
},
"subdirective": {
{`\{(?=\s)`, Punctuation, Push("block")},
Include("comments_pop_1"),
{`\n`, Text, Pop(1)},
Include("base"),
},
"arguments": {
{`\{(?=\s)`, Punctuation, Push("block")},
Include("comments_pop_2"),
{`\\\n`, Text, nil}, // Skip escaped newlines
{`\n`, Text, Pop(2)},
Include("base"),
},
"deep_subdirective": {
{`\{(?=\s)`, Punctuation, Push("block")},
Include("comments_pop_3"),
{`\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_1": {
{`^#.*\n`, CommentSingle, Pop(1)}, // Comment at start of line
{`\s+#.*\n`, CommentSingle, Pop(1)}, // Comment preceded by whitespace
},
"comments_pop_2": {
{`^#.*\n`, CommentSingle, Pop(2)}, // Comment at start of line
{`\s+#.*\n`, CommentSingle, Pop(2)}, // Comment preceded by whitespace
},
"comments_pop_3": {
{`^#.*\n`, CommentSingle, Pop(3)}, // Comment at start of line
{`\s+#.*\n`, CommentSingle, Pop(3)}, // Comment preceded by whitespace
},
"base": {
Include("comments"),
{`(on|off|first|last|before|after|internal|strip_prefix|strip_suffix|replace)\b`, 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+.\$-]+\}`, LiteralStringEscape, nil}, // Placeholder
{`\[(?=[^#{}$]+\])`, Punctuation, nil},
{`\]|\|`, Punctuation, nil},
{`[^\s#{}$\]]+`, LiteralString, nil},
{`/[^\s#]*`, Name, nil},
{`\s+`, Text, nil},
},
}
}
// Caddyfile lexer.
var Caddyfile = Register(MustNewLexer(
&Config{
Name: "Caddyfile",
Aliases: []string{"caddyfile", "caddy"},
Filenames: []string{"Caddyfile*"},
MimeTypes: []string{},
},
caddyfileRules,
))
func caddyfileRules() Rules {
return 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,]+`, GenericHeading, Push("label")},
// Site label with placeholder
{`\{[\w+.\$-]+\}`, LiteralStringEscape, Push("label")},
{`\s+`, Text, nil},
},
"globals": {
{`\}`, Punctuation, Pop(1)},
{`[^\s#]+`, Keyword, Push("directive")},
Include("base"),
},
"snippet": {
{`\}`, Punctuation, Pop(1)},
// Matcher definition
{`@[^\s]+(?=\s)`, NameDecorator, Push("matcher")},
// Any directive
{`[^\s#]+`, Keyword, Push("directive")},
Include("base"),
},
"label": {
// Allow multiple labels, comma separated, newlines after
// a comma means another label is coming
{`,\s*\n?`, Text, nil},
{` `, Text, nil},
// Site label with placeholder
{`\{[\w+.\$-]+\}`, LiteralStringEscape, nil},
// Site label
{`[^#{(\s,]+`, GenericHeading, 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"),
},
}.Merge(caddyfileCommonRules())
}
// Caddyfile directive-only lexer.
var CaddyfileDirectives = Register(MustNewLexer(
&Config{
Name: "Caddyfile Directives",
Aliases: []string{"caddyfile-directives", "caddyfile-d", "caddy-d"},
Filenames: []string{},
MimeTypes: []string{},
},
caddyfileDirectivesRules,
))
func caddyfileDirectivesRules() Rules {
return Rules{
// Same as "site_block" in Caddyfile
"root": {
Include("site_block_common"),
},
}.Merge(caddyfileCommonRules())
}
|
