json.go

Documentation: github.com/alecthomas/chroma/lexers/j

     1  package j
     2  
     3  import (
     4  	. "github.com/alecthomas/chroma" // nolint
     5  	"github.com/alecthomas/chroma/lexers/internal"
     6  )
     7  
     8  // JSON lexer.
     9  var JSON = internal.Register(MustNewLazyLexer(
    10  	&Config{
    11  		Name:         "JSON",
    12  		Aliases:      []string{"json"},
    13  		Filenames:    []string{"*.json"},
    14  		MimeTypes:    []string{"application/json"},
    15  		NotMultiline: true,
    16  		DotAll:       true,
    17  	},
    18  	jsonRules,
    19  ))
    20  
    21  func jsonRules() Rules {
    22  	return Rules{
    23  		"whitespace": {
    24  			{`\s+`, Text, nil},
    25  		},
    26  		"comment": {
    27  			{`//.*?\n`, CommentSingle, nil},
    28  		},
    29  		"simplevalue": {
    30  			{`(true|false|null)\b`, KeywordConstant, nil},
    31  			{`-?(0|[1-9]\d*)(\.\d+[eE](\+|-)?\d+|[eE](\+|-)?\d+|\.\d+)`, LiteralNumberFloat, nil},
    32  			{`-?(0|[1-9]\d*)`, LiteralNumberInteger, nil},
    33  			{`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
    34  		},
    35  		"objectattribute": {
    36  			Include("value"),
    37  			{`:`, Punctuation, nil},
    38  			{`,`, Punctuation, Pop(1)},
    39  			{`\}`, Punctuation, Pop(2)},
    40  		},
    41  		"objectvalue": {
    42  			Include("whitespace"),
    43  			Include("comment"),
    44  			{`"(\\\\|\\"|[^"])*"`, NameTag, Push("objectattribute")},
    45  			{`\}`, Punctuation, Pop(1)},
    46  		},
    47  		"arrayvalue": {
    48  			Include("whitespace"),
    49  			Include("value"),
    50  			Include("comment"),
    51  			{`,`, Punctuation, nil},
    52  			{`\]`, Punctuation, Pop(1)},
    53  		},
    54  		"value": {
    55  			Include("whitespace"),
    56  			Include("simplevalue"),
    57  			Include("comment"),
    58  			{`\{`, Punctuation, Push("objectvalue")},
    59  			{`\[`, Punctuation, Push("arrayvalue")},
    60  		},
    61  		"root": {
    62  			Include("value"),
    63  		},
    64  	}
    65  }
    66
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