source: code/trunk/vendor/github.com/alecthomas/chroma/v2/lexers/smarty.go@ 67

package lexers

import (
        . "github.com/alecthomas/chroma/v2" // nolint
)

// Smarty lexer.
var Smarty = Register(MustNewLexer(
        &Config{
                Name:      "Smarty",
                Aliases:   []string{"smarty"},
                Filenames: []string{"*.tpl"},
                MimeTypes: []string{"application/x-smarty"},
                DotAll:    true,
        },
        smartyRules,
))

func smartyRules() Rules {
        return Rules{
                "root": {
                        {`[^{]+`, Other, nil},
                        {`(\{)(\*.*?\*)(\})`, ByGroups(CommentPreproc, Comment, CommentPreproc), nil},
                        {`(\{php\})(.*?)(\{/php\})`, ByGroups(CommentPreproc, Using("PHP"), CommentPreproc), nil},
                        {`(\{)(/?[a-zA-Z_]\w*)(\s*)`, ByGroups(CommentPreproc, NameFunction, Text), Push("smarty")},
                        {`\{`, CommentPreproc, Push("smarty")},
                },
                "smarty": {
                        {`\s+`, Text, nil},
                        {`\{`, CommentPreproc, Push()},
                        {`\}`, CommentPreproc, Pop(1)},
                        {`#[a-zA-Z_]\w*#`, NameVariable, nil},
                        {`\$[a-zA-Z_]\w*(\.\w+)*`, NameVariable, nil},
                        {`[~!%^&*()+=|\[\]:;,.<>/?@-]`, Operator, nil},
                        {`(true|false|null)\b`, KeywordConstant, nil},
                        {`[0-9](\.[0-9]*)?(eE[+-][0-9])?[flFLdD]?|0[xX][0-9a-fA-F]+[Ll]?`, LiteralNumber, nil},
                        {`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
                        {`'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
                        {`[a-zA-Z_]\w*`, NameAttribute, nil},
                },
        }
}