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/*
* GodoOS - A lightweight cloud desktop
* Copyright (C) 2024 https://godoos.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package doc
import (
"encoding/binary"
)
type utf16Buffer struct {
haveReadLowerByte bool
char [2]byte
data []uint16
}
func (buf *utf16Buffer) Write(p []byte) (n int, err error) {
for i := range p {
buf.WriteByte(p[i])
}
return len(p), nil
}
func (buf *utf16Buffer) WriteByte(b byte) error {
if buf.haveReadLowerByte {
buf.char[1] = b
buf.data = append(buf.data, binary.LittleEndian.Uint16(buf.char[:]))
} else {
buf.char[0] = b
}
buf.haveReadLowerByte = !buf.haveReadLowerByte
return nil
}
func (buf *utf16Buffer) Chars() []uint16 {
if buf.haveReadLowerByte {
return append(buf.data, uint16(buf.char[0]))
}
return buf.data
}