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authorKevin Chabowski <kevin@kch42.de>2013-08-07 11:19:57 +0200
committerKevin Chabowski <kevin@kch42.de>2013-08-07 11:19:57 +0200
commite9436211924b03993c6272069d10a917578b1a52 (patch)
tree724d45dd1135016cead3474ac3c518334cd24361 /nbt
parent8df0e89ed596504a23dd843ac44b6ab454816eb1 (diff)
downloadgonbt-e9436211924b03993c6272069d10a917578b1a52.tar.gz
gonbt-e9436211924b03993c6272069d10a917578b1a52.tar.bz2
gonbt-e9436211924b03993c6272069d10a917578b1a52.zip
Stringer interface implemented for Tag.
Also added a small test tool which reads NBT data from stdin and put the stringified data to stdout.
Diffstat (limited to 'nbt')
-rw-r--r--nbt/nbt.go48
-rw-r--r--nbt/nbtdump/main.go18
2 files changed, 66 insertions, 0 deletions
diff --git a/nbt/nbt.go b/nbt/nbt.go
index 5363d1b..12afb5d 100644
--- a/nbt/nbt.go
+++ b/nbt/nbt.go
@@ -2,9 +2,12 @@ package nbt
import (
"encoding/binary"
+ "encoding/hex"
"errors"
+ "fmt"
"github.com/kch42/kagus"
"io"
+ "strconv"
)
type Tag struct {
@@ -17,6 +20,51 @@ type TagList struct {
Elems []interface{}
}
+func (t Tag) String() string {
+ s := t.Type.String()
+ switch t.Type {
+ case TAG_Byte:
+ s += fmt.Sprintf(": 0x%02x", t.Payload.(byte))
+ case TAG_Short:
+ s += fmt.Sprintf(": %d", t.Payload.(int16))
+ case TAG_Int:
+ s += fmt.Sprintf(": %d", t.Payload.(int32))
+ case TAG_Long:
+ s += fmt.Sprintf(": %d", t.Payload.(int64))
+ case TAG_Float:
+ s += fmt.Sprintf(": %f", t.Payload.(float32))
+ case TAG_Double:
+ s += fmt.Sprintf(": %f", t.Payload.(float64))
+ case TAG_Byte_Array:
+ s += "\n" + kagus.Indent(hex.Dump(t.Payload.([]byte)), " ")
+ case TAG_String:
+ s += ": " + strconv.Quote(t.Payload.(string))
+ case TAG_List:
+ l := t.Payload.(TagList)
+ s += " of " + l.Type.String() + ":"
+ for _, elem := range l.Elems {
+ s += "\n" + kagus.Indent(Tag{l.Type, elem}.String(), " ")
+ }
+ case TAG_Compound:
+ s += ":"
+ comp := t.Payload.(TagCompound)
+ for k, v := range comp {
+ s += "\n" + kagus.Indent(strconv.Quote(k)+" ->"+kagus.Indent(v.String(), " "), " ")
+ }
+ return s
+ case TAG_Int_Array:
+ l := t.Payload.([]int32)
+ s += ": "
+ sep := ""
+ for _, elem := range l {
+ s += sep + fmt.Sprintf("%d", elem)
+ sep = ", "
+ }
+ }
+
+ return s
+}
+
type TagCompound map[string]Tag
func readTagData(r io.Reader, tt TagType) (interface{}, error) {
diff --git a/nbt/nbtdump/main.go b/nbt/nbtdump/main.go
new file mode 100644
index 0000000..bf9dd9b
--- /dev/null
+++ b/nbt/nbtdump/main.go
@@ -0,0 +1,18 @@
+package main
+
+import (
+ "strconv"
+ "fmt"
+ "os"
+ "github.com/kch42/gonbt/nbt"
+)
+
+func main() {
+ tag, name, err := nbt.ReadNamedTag(os.Stdin)
+ if err != nil {
+ fmt.Fprintf(os.Stderr, "Could not read NBT data: %s", err)
+ os.Exit(1)
+ }
+
+ fmt.Printf("Tag Name:\n%s\n\nData:\n%s\n", strconv.Quote(name), tag)
+}