207 lines
6.4 KiB
Go
207 lines
6.4 KiB
Go
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package c
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import (
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. "github.com/alecthomas/chroma" // nolint
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"github.com/alecthomas/chroma/lexers/internal"
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)
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// caddyfileCommon are the rules common to both of the lexer variants
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var caddyfileCommon = Rules{
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"site_block_common": {
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// Import keyword
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{`(import)(\s+)([^\s]+)`, ByGroups(Keyword, Text, NameVariableMagic), nil},
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// Matcher definition
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{`@[^\s]+(?=\s)`, NameDecorator, Push("matcher")},
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// Matcher token stub for docs
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{`\[\<matcher\>\]`, NameDecorator, Push("matcher")},
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// These cannot have matchers but may have things that look like
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// matchers in their arguments, so we just parse as a subdirective.
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{`try_files`, Keyword, Push("subdirective")},
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// These are special, they can nest more directives
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{`handle_errors|handle|route|handle_path|not`, Keyword, Push("nested_directive")},
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// Any other directive
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{`[^\s#]+`, Keyword, Push("directive")},
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Include("base"),
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},
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"matcher": {
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{`\{`, Punctuation, Push("block")},
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// Not can be one-liner
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{`not`, Keyword, Push("deep_not_matcher")},
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// Any other same-line matcher
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{`[^\s#]+`, Keyword, Push("arguments")},
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// Terminators
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{`\n`, Text, Pop(1)},
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{`\}`, Punctuation, Pop(1)},
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Include("base"),
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},
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"block": {
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{`\}`, Punctuation, Pop(2)},
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// Not can be one-liner
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{`not`, Keyword, Push("not_matcher")},
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// Any other subdirective
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{`[^\s#]+`, Keyword, Push("subdirective")},
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Include("base"),
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},
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"nested_block": {
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{`\}`, Punctuation, Pop(2)},
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// Matcher definition
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{`@[^\s]+(?=\s)`, NameDecorator, Push("matcher")},
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// Something that starts with literally < is probably a docs stub
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{`\<[^#]+\>`, Keyword, Push("nested_directive")},
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// Any other directive
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{`[^\s#]+`, Keyword, Push("nested_directive")},
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Include("base"),
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},
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"not_matcher": {
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{`\}`, Punctuation, Pop(2)},
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{`\{(?=\s)`, Punctuation, Push("block")},
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{`[^\s#]+`, Keyword, Push("arguments")},
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{`\s+`, Text, nil},
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},
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"deep_not_matcher": {
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{`\}`, Punctuation, Pop(2)},
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{`\{(?=\s)`, Punctuation, Push("block")},
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{`[^\s#]+`, Keyword, Push("deep_subdirective")},
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{`\s+`, Text, nil},
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},
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"directive": {
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{`\{(?=\s)`, Punctuation, Push("block")},
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Include("matcher_token"),
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Include("comments_pop_1"),
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{`\n`, Text, Pop(1)},
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Include("base"),
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},
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"nested_directive": {
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{`\{(?=\s)`, Punctuation, Push("nested_block")},
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Include("matcher_token"),
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Include("comments_pop_1"),
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{`\n`, Text, Pop(1)},
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Include("base"),
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},
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"subdirective": {
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{`\{(?=\s)`, Punctuation, Push("block")},
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Include("comments_pop_1"),
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{`\n`, Text, Pop(1)},
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Include("base"),
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},
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"arguments": {
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{`\{(?=\s)`, Punctuation, Push("block")},
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Include("comments_pop_2"),
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{`\\\n`, Text, nil}, // Skip escaped newlines
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{`\n`, Text, Pop(2)},
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Include("base"),
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},
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"deep_subdirective": {
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{`\{(?=\s)`, Punctuation, Push("block")},
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Include("comments_pop_3"),
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{`\n`, Text, Pop(3)},
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Include("base"),
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},
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"matcher_token": {
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{`@[^\s]+`, NameDecorator, Push("arguments")}, // Named matcher
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{`/[^\s]+`, NameDecorator, Push("arguments")}, // Path matcher
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{`\*`, NameDecorator, Push("arguments")}, // Wildcard path matcher
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{`\[\<matcher\>\]`, NameDecorator, Push("arguments")}, // Matcher token stub for docs
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},
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"comments": {
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{`^#.*\n`, CommentSingle, nil}, // Comment at start of line
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{`\s+#.*\n`, CommentSingle, nil}, // Comment preceded by whitespace
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},
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"comments_pop_1": {
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{`^#.*\n`, CommentSingle, Pop(1)}, // Comment at start of line
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{`\s+#.*\n`, CommentSingle, Pop(1)}, // Comment preceded by whitespace
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},
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"comments_pop_2": {
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{`^#.*\n`, CommentSingle, Pop(2)}, // Comment at start of line
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{`\s+#.*\n`, CommentSingle, Pop(2)}, // Comment preceded by whitespace
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},
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"comments_pop_3": {
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{`^#.*\n`, CommentSingle, Pop(3)}, // Comment at start of line
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{`\s+#.*\n`, CommentSingle, Pop(3)}, // Comment preceded by whitespace
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},
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"base": {
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Include("comments"),
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{`(on|off|first|last|before|after|internal|strip_prefix|strip_suffix|replace)\b`, NameConstant, nil},
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{`(https?://)?([a-z0-9.-]+)(:)([0-9]+)`, ByGroups(Name, Name, Punctuation, LiteralNumberInteger), nil},
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{`[a-z-]+/[a-z-+]+`, LiteralString, nil},
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{`[0-9]+[km]?\b`, LiteralNumberInteger, nil},
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{`\{[\w+.\$-]+\}`, LiteralStringEscape, nil}, // Placeholder
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{`\[(?=[^#{}$]+\])`, Punctuation, nil},
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{`\]|\|`, Punctuation, nil},
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{`[^\s#{}$\]]+`, LiteralString, nil},
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{`/[^\s#]*`, Name, nil},
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{`\s+`, Text, nil},
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},
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}
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// Caddyfile lexer.
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var Caddyfile = internal.Register(MustNewLexer(
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&Config{
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Name: "Caddyfile",
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Aliases: []string{"caddyfile", "caddy"},
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Filenames: []string{"Caddyfile*"},
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MimeTypes: []string{},
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},
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Rules{
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"root": {
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Include("comments"),
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// Global options block
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{`^\s*(\{)\s*$`, ByGroups(Punctuation), Push("globals")},
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// Snippets
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{`(\([^\s#]+\))(\s*)(\{)`, ByGroups(NameVariableAnonymous, Text, Punctuation), Push("snippet")},
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// Site label
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{`[^#{(\s,]+`, GenericHeading, Push("label")},
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// Site label with placeholder
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{`\{[\w+.\$-]+\}`, LiteralStringEscape, Push("label")},
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{`\s+`, Text, nil},
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},
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"globals": {
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{`\}`, Punctuation, Pop(1)},
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{`[^\s#]+`, Keyword, Push("directive")},
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Include("base"),
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},
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"snippet": {
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{`\}`, Punctuation, Pop(1)},
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// Matcher definition
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{`@[^\s]+(?=\s)`, NameDecorator, Push("matcher")},
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// Any directive
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{`[^\s#]+`, Keyword, Push("directive")},
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Include("base"),
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},
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"label": {
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// Allow multiple labels, comma separated, newlines after
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// a comma means another label is coming
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{`,\s*\n?`, Text, nil},
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{` `, Text, nil},
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// Site label with placeholder
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{`\{[\w+.\$-]+\}`, LiteralStringEscape, nil},
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// Site label
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{`[^#{(\s,]+`, GenericHeading, nil},
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// Comment after non-block label (hack because comments end in \n)
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{`#.*\n`, CommentSingle, Push("site_block")},
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// Note: if \n, we'll never pop out of the site_block, it's valid
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{`\{(?=\s)|\n`, Punctuation, Push("site_block")},
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},
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"site_block": {
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{`\}`, Punctuation, Pop(2)},
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Include("site_block_common"),
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},
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}.Merge(caddyfileCommon),
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))
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// Caddyfile directive-only lexer.
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var CaddyfileDirectives = internal.Register(MustNewLexer(
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&Config{
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Name: "Caddyfile Directives",
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Aliases: []string{"caddyfile-directives", "caddyfile-d", "caddy-d"},
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Filenames: []string{},
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MimeTypes: []string{},
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},
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Rules{
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// Same as "site_block" in Caddyfile
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"root": {
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Include("site_block_common"),
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},
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}.Merge(caddyfileCommon),
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))
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