tea/vendor/github.com/alecthomas/chroma/lexers/t/twig.go

59 lines
2.4 KiB
Go

package t
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Twig lexer.
var Twig = internal.Register(MustNewLazyLexer(
&Config{
Name: "Twig",
Aliases: []string{"twig"},
Filenames: []string{},
MimeTypes: []string{"application/x-twig"},
DotAll: true,
},
twigRules,
))
func twigRules() Rules {
return Rules{
"root": {
{`[^{]+`, Other, nil},
{`\{\{`, CommentPreproc, Push("var")},
{`\{\#.*?\#\}`, Comment, nil},
{`(\{%)(-?\s*)(raw)(\s*-?)(%\})(.*?)(\{%)(-?\s*)(endraw)(\s*-?)(%\})`, ByGroups(CommentPreproc, Text, Keyword, Text, CommentPreproc, Other, CommentPreproc, Text, Keyword, Text, CommentPreproc), nil},
{`(\{%)(-?\s*)(verbatim)(\s*-?)(%\})(.*?)(\{%)(-?\s*)(endverbatim)(\s*-?)(%\})`, ByGroups(CommentPreproc, Text, Keyword, Text, CommentPreproc, Other, CommentPreproc, Text, Keyword, Text, CommentPreproc), nil},
{`(\{%)(-?\s*)(filter)(\s+)((?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*)`, ByGroups(CommentPreproc, Text, Keyword, Text, NameFunction), Push("tag")},
{`(\{%)(-?\s*)([a-zA-Z_]\w*)`, ByGroups(CommentPreproc, Text, Keyword), Push("tag")},
{`\{`, Other, nil},
},
"varnames": {
{`(\|)(\s*)((?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*)`, ByGroups(Operator, Text, NameFunction), nil},
{`(is)(\s+)(not)?(\s*)((?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*)`, ByGroups(Keyword, Text, Keyword, Text, NameFunction), nil},
{`(?i)(true|false|none|null)\b`, KeywordPseudo, nil},
{`(in|not|and|b-and|or|b-or|b-xor|isif|elseif|else|importconstant|defined|divisibleby|empty|even|iterable|odd|sameasmatches|starts\s+with|ends\s+with)\b`, Keyword, nil},
{`(loop|block|parent)\b`, NameBuiltin, nil},
{`(?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*`, NameVariable, nil},
{`\.(?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*`, NameVariable, nil},
{`\.[0-9]+`, LiteralNumber, nil},
{`:?"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
{`:?'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
{`([{}()\[\]+\-*/,:~%]|\.\.|\?|:|\*\*|\/\/|!=|[><=]=?)`, Operator, nil},
{`[0-9](\.[0-9]*)?(eE[+-][0-9])?[flFLdD]?|0[xX][0-9a-fA-F]+[Ll]?`, LiteralNumber, nil},
},
"var": {
{`\s+`, Text, nil},
{`(-?)(\}\})`, ByGroups(Text, CommentPreproc), Pop(1)},
Include("varnames"),
},
"tag": {
{`\s+`, Text, nil},
{`(-?)(%\})`, ByGroups(Text, CommentPreproc), Pop(1)},
Include("varnames"),
{`.`, Punctuation, nil},
},
}
}