emm/vendor/go.mau.fi/util/exgjson/gjson.go

34 lines
768 B
Go

// Copyright (c) 2022 Tulir Asokan
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package exgjson
import (
"strings"
)
// Escaper escapes a string for use in a GJSON path.
var Escaper = strings.NewReplacer(
`\`, `\\`,
".", `\.`,
"|", `\|`,
"#", `\#`,
"@", `\@`,
"*", `\*`,
"?", `\?`)
// Path returns a GJSON path pointing at a nested object, with each provided string being a key.
func Path(path ...string) string {
var result strings.Builder
for i, part := range path {
_, _ = Escaper.WriteString(&result, part)
if i < len(path)-1 {
result.WriteRune('.')
}
}
return result.String()
}