분사는 예상치 못한 표시를 나타냅니다.

// nolint: golint, dupl
package main

import (
    "fmt"
    "io"

    "github.com/alecthomas/participle/v2"
    "github.com/alecthomas/participle/v2/lexer"
)

var htaccesslexer = lexer.mustsimple([]lexer.simplerule{
    {"comment", `^#[^\n]*`},
    {"ident", `^\w+`},
    {"int", `\d+`},
    {"string", `("(\\"|[^"])*"|\s+)`},
    {"eol", `[\n\r]+`},
    {"whitespace", `[ \t]+`},
})

type htaccess struct {
    directives []*directive `@@*`
}

type directive struct {
    pos lexer.position

    errordocument *errordocument `@@`
}

type errordocument struct {
    code int    `"errordocument" @int`
    path string `@string`
}

var htaccessparser = participle.mustbuild[htaccess](
    participle.lexer(htaccesslexer),
    participle.caseinsensitive("ident"),
    participle.unquote("string"),
    participle.elide("whitespace"),
)

func parse(r io.reader) (*htaccess, error) {
    program, err := htaccessparser.parse("", r)
    if err != nil {
        return nil, err
    }

    return program, nil
}

func main() {
    v, err := htaccessparser.parsestring("", `errordocument 403 test`)

    if err != nil {
        panic(err)
    }

    fmt.println(v)
}

var htaccessLexer = lexer.MustSimple([]lexer.SimpleRule{
    {"dir", `^\w+`},
    {"int", `\d+`},
    {"str", `("(\\"|[^"])*"|\S+)`},
    {"EOL", `[\n\r]+`},
    {"whitespace", `\s+`},
})

var htaccesslexer = lexer.mustsimple([]lexer.simplerule{
    {"comment", `(?i)#[^\n]*`},
    {"quotedstring", `"(\\"|[^"])*"`},
    {"number", `[-+]?(\d*\.)?\d+`},
    {"unquotedstring", `[^ \t]+`},
    {"ident", `^[a-za-z_]`},
    {"eol", `[\n\r]+`},
    {"whitespace", `[ \t]+`},
})

type ErrorDocument struct {
    Pos lexer.Position

    Code int    `"ErrorDocument" @Number`
    Path string `(@QuotedString | @UnQuotedString)`
}