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package t

import (
	. "github.com/alecthomas/chroma" // nolint
	"github.com/alecthomas/chroma/lexers/internal"
)

// Typoscript lexer.
var Typoscript = internal.Register(MustNewLazyLexer(
	&Config{
		Name:      "TypoScript",
		Aliases:   []string{"typoscript"},
		Filenames: []string{"*.ts"},
		MimeTypes: []string{"text/x-typoscript"},
		DotAll:    true,
		Priority:  0.1,
	},
	typoscriptRules,
))

func typoscriptRules() Rules {
	return Rules{
		"root": {
			Include("comment"),
			Include("constant"),
			Include("html"),
			Include("label"),
			Include("whitespace"),
			Include("keywords"),
			Include("punctuation"),
			Include("operator"),
			Include("structure"),
			Include("literal"),
			Include("other"),
		},
		"keywords": {
			{`(\[)(?i)(browser|compatVersion|dayofmonth|dayofweek|dayofyear|device|ELSE|END|GLOBAL|globalString|globalVar|hostname|hour|IP|language|loginUser|loginuser|minute|month|page|PIDinRootline|PIDupinRootline|system|treeLevel|useragent|userFunc|usergroup|version)([^\]]*)(\])`, ByGroups(LiteralStringSymbol, NameConstant, Text, LiteralStringSymbol), nil},
			{`(?=[\w\-])(HTMLparser|HTMLparser_tags|addParams|cache|encapsLines|filelink|if|imageLinkWrap|imgResource|makelinks|numRows|numberFormat|parseFunc|replacement|round|select|split|stdWrap|strPad|tableStyle|tags|textStyle|typolink)(?![\w\-])`, NameFunction, nil},
			{`(?:(=?\s*<?\s+|^\s*))(cObj|field|config|content|constants|FEData|file|frameset|includeLibs|lib|page|plugin|register|resources|sitemap|sitetitle|styles|temp|tt_[^:.\s]*|types|xmlnews|INCLUDE_TYPOSCRIPT|_CSS_DEFAULT_STYLE|_DEFAULT_PI_VARS|_LOCAL_LANG)(?![\w\-])`, ByGroups(Operator, NameBuiltin), nil},
			{`(?=[\w\-])(CASE|CLEARGIF|COA|COA_INT|COBJ_ARRAY|COLUMNS|CONTENT|CTABLE|EDITPANEL|FILE|FILES|FLUIDTEMPLATE|FORM|HMENU|HRULER|HTML|IMAGE|IMGTEXT|IMG_RESOURCE|LOAD_REGISTER|MEDIA|MULTIMEDIA|OTABLE|PAGE|QTOBJECT|RECORDS|RESTORE_REGISTER|SEARCHRESULT|SVG|SWFOBJECT|TEMPLATE|TEXT|USER|USER_INT)(?![\w\-])`, NameClass, nil},
			{`(?=[\w\-])(ACTIFSUBRO|ACTIFSUB|ACTRO|ACT|CURIFSUBRO|CURIFSUB|CURRO|CUR|IFSUBRO|IFSUB|NO|SPC|USERDEF1RO|USERDEF1|USERDEF2RO|USERDEF2|USRRO|USR)`, NameClass, nil},
			{`(?=[\w\-])(GMENU_FOLDOUT|GMENU_LAYERS|GMENU|IMGMENUITEM|IMGMENU|JSMENUITEM|JSMENU|TMENUITEM|TMENU_LAYERS|TMENU)`, NameClass, nil},
			{`(?=[\w\-])(PHP_SCRIPT(_EXT|_INT)?)`, NameClass, nil},
			{`(?=[\w\-])(userFunc)(?![\w\-])`, NameFunction, nil},
		},
		"whitespace": {
			{`\s+`, Text, nil},
		},
		"html": {
			{`<\S[^\n>]*>`, Using(TypoScriptHTMLData), nil},
			{`&[^;\n]*;`, LiteralString, nil},
			{`(_CSS_DEFAULT_STYLE)(\s*)(\()(?s)(.*(?=\n\)))`, ByGroups(NameClass, Text, LiteralStringSymbol, Using(TypoScriptCSSData)), nil},
		},
		"literal": {
			{`0x[0-9A-Fa-f]+t?`, LiteralNumberHex, nil},
			{`[0-9]+`, LiteralNumberInteger, nil},
			{`(###\w+###)`, NameConstant, nil},
		},
		"label": {
			{`(EXT|FILE|LLL):[^}\n"]*`, LiteralString, nil},
			{`(?![^\w\-])([\w\-]+(?:/[\w\-]+)+/?)(\S*\n)`, ByGroups(LiteralString, LiteralString), nil},
		},
		"punctuation": {
			{`[,.]`, Punctuation, nil},
		},
		"operator": {
			{`[<>,:=.*%+|]`, Operator, nil},
		},
		"structure": {
			{`[{}()\[\]\\]`, LiteralStringSymbol, nil},
		},
		"constant": {
			{`(\{)(\$)((?:[\w\-]+\.)*)([\w\-]+)(\})`, ByGroups(LiteralStringSymbol, Operator, NameConstant, NameConstant, LiteralStringSymbol), nil},
			{`(\{)([\w\-]+)(\s*:\s*)([\w\-]+)(\})`, ByGroups(LiteralStringSymbol, NameConstant, Operator, NameConstant, LiteralStringSymbol), nil},
			{`(#[a-fA-F0-9]{6}\b|#[a-fA-F0-9]{3}\b)`, LiteralStringChar, nil},
		},
		"comment": {
			{`(?<!(#|\'|"))(?:#(?!(?:[a-fA-F0-9]{6}|[a-fA-F0-9]{3}))[^\n#]+|//[^\n]*)`, Comment, nil},
			{`/\*(?:(?!\*/).)*\*/`, Comment, nil},
			{`(\s*#\s*\n)`, Comment, nil},
		},
		"other": {
			{`[\w"\-!/&;]+`, Text, nil},
		},
	}
}

// TypoScriptCSSData lexer.
var TypoScriptCSSData = internal.Register(MustNewLazyLexer(
	&Config{
		Name:      "TypoScriptCssData",
		Aliases:   []string{"typoscriptcssdata"},
		Filenames: []string{},
		MimeTypes: []string{},
	},
	typoScriptCSSDataRules,
))

func typoScriptCSSDataRules() Rules {
	return Rules{
		"root": {
			{`(.*)(###\w+###)(.*)`, ByGroups(LiteralString, NameConstant, LiteralString), nil},
			{`(\{)(\$)((?:[\w\-]+\.)*)([\w\-]+)(\})`, ByGroups(LiteralStringSymbol, Operator, NameConstant, NameConstant, LiteralStringSymbol), nil},
			{`(.*)(\{)([\w\-]+)(\s*:\s*)([\w\-]+)(\})(.*)`, ByGroups(LiteralString, LiteralStringSymbol, NameConstant, Operator, NameConstant, LiteralStringSymbol, LiteralString), nil},
			{`\s+`, Text, nil},
			{`/\*(?:(?!\*/).)*\*/`, Comment, nil},
			{`(?<!(#|\'|"))(?:#(?!(?:[a-fA-F0-9]{6}|[a-fA-F0-9]{3}))[^\n#]+|//[^\n]*)`, Comment, nil},
			{`[<>,:=.*%+|]`, LiteralString, nil},
			{`[\w"\-!/&;(){}]+`, LiteralString, nil},
		},
	}
}

// TypoScriptHTMLData lexer.
var TypoScriptHTMLData = internal.Register(MustNewLazyLexer(
	&Config{
		Name:      "TypoScriptHtmlData",
		Aliases:   []string{"typoscripthtmldata"},
		Filenames: []string{},
		MimeTypes: []string{},
	},
	typoScriptHTMLDataRules,
))

func typoScriptHTMLDataRules() Rules {
	return Rules{
		"root": {
			{`(INCLUDE_TYPOSCRIPT)`, NameClass, nil},
			{`(EXT|FILE|LLL):[^}\n"]*`, LiteralString, nil},
			{`(.*)(###\w+###)(.*)`, ByGroups(LiteralString, NameConstant, LiteralString), nil},
			{`(\{)(\$)((?:[\w\-]+\.)*)([\w\-]+)(\})`, ByGroups(LiteralStringSymbol, Operator, NameConstant, NameConstant, LiteralStringSymbol), nil},
			{`(.*)(\{)([\w\-]+)(\s*:\s*)([\w\-]+)(\})(.*)`, ByGroups(LiteralString, LiteralStringSymbol, NameConstant, Operator, NameConstant, LiteralStringSymbol, LiteralString), nil},
			{`\s+`, Text, nil},
			{`[<>,:=.*%+|]`, LiteralString, nil},
			{`[\w"\-!/&;(){}#]+`, LiteralString, nil},
		},
	}
}