42 lines
1.5 KiB
Go
42 lines
1.5 KiB
Go
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package lexers
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import (
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. "github.com/alecthomas/chroma" // nolint
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)
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// Angular2 lexer.
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var Angular2 = Register(MustNewLexer(
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&Config{
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Name: "Angular2",
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Aliases: []string{"ng2"},
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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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"root": {
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{`[^{([*#]+`, Other, nil},
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{`(\{\{)(\s*)`, ByGroups(CommentPreproc, Text), Push("ngExpression")},
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{`([([]+)([\w:.-]+)([\])]+)(\s*)(=)(\s*)`, ByGroups(Punctuation, NameAttribute, Punctuation, Text, Operator, Text), Push("attr")},
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{`([([]+)([\w:.-]+)([\])]+)(\s*)`, ByGroups(Punctuation, NameAttribute, Punctuation, Text), nil},
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{`([*#])([\w:.-]+)(\s*)(=)(\s*)`, ByGroups(Punctuation, NameAttribute, Punctuation, Operator), Push("attr")},
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{`([*#])([\w:.-]+)(\s*)`, ByGroups(Punctuation, NameAttribute, Punctuation), nil},
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},
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"ngExpression": {
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{`\s+(\|\s+)?`, Text, nil},
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{`\}\}`, CommentPreproc, Pop(1)},
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{`:?(true|false)`, LiteralStringBoolean, nil},
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{`:?"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
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{`:?'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
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{`[0-9](\.[0-9]*)?(eE[+-][0-9])?[flFLdD]?|0[xX][0-9a-fA-F]+[Ll]?`, LiteralNumber, nil},
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{`[a-zA-Z][\w-]*(\(.*\))?`, NameVariable, nil},
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{`\.[\w-]+(\(.*\))?`, NameVariable, nil},
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{`(\?)(\s*)([^}\s]+)(\s*)(:)(\s*)([^}\s]+)(\s*)`, ByGroups(Operator, Text, LiteralString, Text, Operator, Text, LiteralString, Text), nil},
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},
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"attr": {
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{`".*?"`, LiteralString, Pop(1)},
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{`'.*?'`, LiteralString, Pop(1)},
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{`[^\s>]+`, LiteralString, Pop(1)},
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},
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},
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))
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