Files
go-mc/nbt/nbt.go

61 lines
866 B
Go

// Package nbt implement the Named Binary Tag format of Minecraft.
// It provides api like encoding/xml package.
package nbt
import (
"io"
)
//Tag type IDs
const (
TagEnd byte = iota
TagByte
TagShort
TagInt
TagLong
TagFloat
TagDouble
TagByteArray
TagString
TagList
TagCompound
TagIntArray
TagLongArray
TagNone = 0xFF
)
func IsArrayTag(ty byte) bool {
return ty == TagByteArray || ty == TagIntArray || ty == TagLongArray
}
type DecoderReader = interface {
io.ByteReader
io.Reader
}
type Decoder struct {
r DecoderReader
}
func NewDecoder(r io.Reader) *Decoder {
d := new(Decoder)
if br, ok := r.(DecoderReader); ok {
d.r = br
} else {
d.r = reader{r}
}
return d
}
type reader struct {
io.Reader
}
func (r reader) ReadByte() (byte, error) {
var b [1]byte
n, err := r.Read(b[:])
if n == 1 {
return b[0], nil
}
return 0, err
}