mirror of
https://github.com/foxcpp/maddy.git
synced 2025-04-03 05:07:38 +03:00
51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
/*
|
|
Maddy Mail Server - Composable all-in-one email server.
|
|
Copyright © 2019-2020 Max Mazurov <fox.cpp@disroot.org>, Maddy Mail Server contributors
|
|
|
|
This program 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.
|
|
|
|
This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package buffer
|
|
|
|
import (
|
|
"io"
|
|
"io/ioutil"
|
|
)
|
|
|
|
// MemoryBuffer implements Buffer interface using byte slice.
|
|
type MemoryBuffer struct {
|
|
Slice []byte
|
|
}
|
|
|
|
func (mb MemoryBuffer) Open() (io.ReadCloser, error) {
|
|
return NewBytesReader(mb.Slice), nil
|
|
}
|
|
|
|
func (mb MemoryBuffer) Len() int {
|
|
return len(mb.Slice)
|
|
}
|
|
|
|
func (mb MemoryBuffer) Remove() error {
|
|
return nil
|
|
}
|
|
|
|
// BufferInMemory is a convenience function which creates MemoryBuffer with
|
|
// contents of the passed io.Reader.
|
|
func BufferInMemory(r io.Reader) (Buffer, error) {
|
|
blob, err := ioutil.ReadAll(r)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return MemoryBuffer{Slice: blob}, nil
|
|
}
|