errors.go

// Copyright (C) 2021 CGI France
//
// This file is part of LINO.
//
// LINO is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// LINO is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with LINO.  If not, see <http://www.gnu.org/licenses/>.

package localstorage

import (
	"strings"
)

// Errors raised by package.
var (
	ErrPermissionDenied  = constError("permission denied")
	ErrInvalidParameters = constError("invalid parameters")
	ErrMasterPassword    = constError("invalid master password")
	ErrInvalidStorage    = constError("invalid storage")
)

type constError string

func (err constError) Error() string {
	return string(err)
}

func (err constError) Is(target error) bool {
	ts := target.Error()
	es := string(err)
	return ts == es || strings.HasPrefix(ts, es+": ")
}