diff --git a/.gitignore b/.gitignore
index d740b181..b39017b2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,8 @@
*.o
*.so
ruby/Makefile
+*.5
+*.8
+*.6
+_obj
+_test
diff --git a/go/Makefile b/go/Makefile
new file mode 100644
index 00000000..adc243af
--- /dev/null
+++ b/go/Makefile
@@ -0,0 +1,11 @@
+include $(GOROOT)/src/Make.inc
+
+TARG=msgpack
+
+GOFILES=pack.go unpack.go
+
+include $(GOROOT)/src/Make.pkg
+
+%: install %.go
+ $(GC) $*.go
+ $(LD) -o $@ $*.$O
diff --git a/go/msgpack_test.go b/go/msgpack_test.go
new file mode 100644
index 00000000..50de668a
--- /dev/null
+++ b/go/msgpack_test.go
@@ -0,0 +1,218 @@
+package msgpack_test
+
+import (
+ . "msgpack"
+ "testing"
+ "bytes"
+ "reflect"
+ "math"
+);
+
+func equal(lhs reflect.Value, rhs reflect.Value) bool {
+ {
+ _rhs, ok := rhs.(*reflect.InterfaceValue)
+ if ok { return equal(lhs, _rhs.Elem()) }
+ }
+ switch _lhs := lhs.(type) {
+ case *reflect.InterfaceValue:
+ return equal(_lhs.Elem(), rhs)
+ case *reflect.BoolValue:
+ _rhs, ok := rhs.(*reflect.BoolValue)
+ return ok && _lhs.Get() == _rhs.Get()
+ case *reflect.UintValue:
+ _rhs, ok := rhs.(*reflect.UintValue)
+ return ok && _lhs.Get() == _rhs.Get()
+ case *reflect.IntValue:
+ _rhs, ok := rhs.(*reflect.IntValue)
+ return ok && _lhs.Get() == _rhs.Get()
+ case *reflect.FloatValue:
+ _rhs, ok := rhs.(*reflect.FloatValue)
+ return ok && _lhs.Get() == _rhs.Get()
+ case reflect.ArrayOrSliceValue:
+ _rhs := rhs.(reflect.ArrayOrSliceValue)
+ if _lhs.Len() != _rhs.Len() { return false; }
+ for i := 0; i < _lhs.Len(); i++ {
+ if !equal(_lhs.Elem(i), _rhs.Elem(i)) { return false; }
+ }
+ return true;
+ case *reflect.MapValue:
+ _rhs := rhs.(*reflect.MapValue)
+ if _lhs.Len() != _rhs.Len() { return false; }
+ for _, k := range _lhs.Keys() {
+ lv, rv := _lhs.Elem(k), _rhs.Elem(k)
+ if lv == nil || rv == nil || !equal(lv, rv) { return false; }
+ }
+ return true;
+ }
+ return false;
+}
+
+func TestPackUint8(t *testing.T) {
+ b := &bytes.Buffer{}
+ for _, i := range []uint8 { 0, 1, 2, 125, 126, 127, 128, 253, 254, 255 } {
+ _, err := PackUint8(b, i)
+ if err != nil { t.Error("err != nil") }
+ }
+ if bytes.Compare(b.Bytes(), []byte { 0x00, 0x01, 0x02, 0x7d, 0x7e, 0x7f, 0xcc, 0x80, 0xcc, 0xfd, 0xcc, 0xfe, 0xcc, 0xff }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPackUint16(t *testing.T) {
+ b := &bytes.Buffer{}
+ for _, i := range []uint16 { 0, 1, 2, 125, 126, 127, 128, 253, 254, 255, 256, 65533, 65534, 65535 } {
+ _, err := PackUint16(b, i)
+ if err != nil { t.Error("err != nil") }
+ }
+ if bytes.Compare(b.Bytes(), []byte { 0x00, 0x01, 0x02, 0x7d, 0x7e, 0x7f, 0xcc, 0x80, 0xcc, 0xfd, 0xcc, 0xfe, 0xcc, 0xff, 0xcd, 0x01, 0x00, 0xcd, 0xff, 0xfd, 0xcd, 0xff, 0xfe, 0xcd, 0xff, 0xff }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPackUint32(t *testing.T) {
+ b := &bytes.Buffer{}
+ for _, i := range []uint32 { 0, 1, 2, 125, 126, 127, 128, 253, 254, 255, 256, 65533, 65534, 65535, 65536, 4294967293, 4294967294, 4294967295 } {
+ _, err := PackUint32(b, i)
+ if err != nil { t.Error("err != nil") }
+ }
+ if bytes.Compare(b.Bytes(), []byte { 0x00, 0x01, 0x02, 0x7d, 0x7e, 0x7f, 0xcc, 0x80, 0xcc, 0xfd, 0xcc, 0xfe, 0xcc, 0xff, 0xcd, 0x01, 0x00, 0xcd, 0xff, 0xfd, 0xcd, 0xff, 0xfe, 0xcd, 0xff, 0xff, 0xce, 0x00, 0x01, 0x00, 0x00, 0xce, 0xff, 0xff, 0xff, 0xfd, 0xce, 0xff, 0xff, 0xff, 0xfe, 0xce, 0xff, 0xff, 0xff, 0xff }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPackUint64(t *testing.T) {
+ b := &bytes.Buffer{}
+ for _, i := range []uint64 { 0, 1, 2, 125, 126, 127, 128, 253, 254, 255, 256, 65533, 65534, 65535, 65536, 4294967293, 4294967294, 4294967295, 4294967296, 18446744073709551613, 18446744073709551614, 18446744073709551615 } {
+ _, err := PackUint64(b, i)
+ if err != nil { t.Error("err != nil") }
+ }
+ if bytes.Compare(b.Bytes(), []byte { 0x00, 0x01, 0x02, 0x7d, 0x7e, 0x7f, 0xcc, 0x80, 0xcc, 0xfd, 0xcc, 0xfe, 0xcc, 0xff, 0xcd, 0x01, 0x00, 0xcd, 0xff, 0xfd, 0xcd, 0xff, 0xfe, 0xcd, 0xff, 0xff, 0xce, 0x00, 0x01, 0x00, 0x00, 0xce, 0xff, 0xff, 0xff, 0xfd, 0xce, 0xff, 0xff, 0xff, 0xfe, 0xce, 0xff, 0xff, 0xff, 0xff, 0xcf, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xcf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfd, 0xcf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xcf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPackInt8(t *testing.T) {
+ b := &bytes.Buffer{}
+ for _, i := range []int8 { -128, -127, -34, -33, -32, -31, 0, 1, 126, 127 } {
+ _, err := PackInt8(b, i)
+ if err != nil { t.Error("err != nil") }
+ }
+ if bytes.Compare(b.Bytes(), []byte { 0xd0, 0x80, 0xd0, 0x81, 0xd0, 0xde, 0xd0, 0xdf, 0xe0, 0xe1, 0x00, 0x01, 0x7e, 0x7f }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPackInt16(t *testing.T) {
+ b := &bytes.Buffer{}
+ for _, i := range []int16 { -32768, -32767, -131, -130, -129, -128, -127, -34, -33, -32, -31, 0, 1, 126, 127, 128, 129, 130, 32765, 32766, 32767 } {
+ _, err := PackInt16(b, i)
+ if err != nil { t.Error("err != nil") }
+ }
+ if bytes.Compare(b.Bytes(), []byte { 0xd1, 0x80, 0x00, 0xd1, 0x80, 0x01, 0xd1, 0xff, 0x7d, 0xd1, 0xff, 0x7e, 0xd1, 0xff, 0x7f, 0xd0, 0x80, 0xd0, 0x81, 0xd0, 0xde, 0xd0, 0xdf, 0xe0, 0xe1, 0x00, 0x01, 0x7e, 0x7f, 0xd1, 0x00, 0x80, 0xd1, 0x00, 0x81, 0xd1, 0x00, 0x82, 0xd1, 0x7f, 0xfd, 0xd1, 0x7f, 0xfe, 0xd1, 0x7f, 0xff }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPackInt32(t *testing.T) {
+ b := &bytes.Buffer{}
+ for _, i := range []int32 { -2147483648, -2147483647, -2147483646, -32771, -32770, -32769, -32768, -32767, -131, -130, -129, -128, -127, -34, -33, -32, -31, 0, 1, 126, 127, 128, 129, 130, 32765, 32766, 32767, 32768, 32769, 32770, 2147483645, 2147483646, 2147483647 } {
+ _, err := PackInt32(b, i)
+ if err != nil { t.Error("err != nil") }
+ }
+ if bytes.Compare(b.Bytes(), []byte { 0xd2, 0x80, 0x00, 0x00, 0x00, 0xd2, 0x80, 0x00, 0x00, 0x01, 0xd2, 0x80, 0x00, 0x00, 0x02, 0xd2, 0xff, 0xff, 0x7f, 0xfd, 0xd2, 0xff, 0xff, 0x7f, 0xfe, 0xd2, 0xff, 0xff, 0x7f, 0xff, 0xd1, 0x80, 0x00, 0xd1, 0x80, 0x01, 0xd1, 0xff, 0x7d, 0xd1, 0xff, 0x7e, 0xd1, 0xff, 0x7f, 0xd0, 0x80, 0xd0, 0x81, 0xd0, 0xde, 0xd0, 0xdf, 0xe0, 0xe1, 0x00, 0x01, 0x7e, 0x7f, 0xd1, 0x00, 0x80, 0xd1, 0x00, 0x81, 0xd1, 0x00, 0x82, 0xd1, 0x7f, 0xfd, 0xd1, 0x7f, 0xfe, 0xd1, 0x7f, 0xff, 0xd2, 0x00, 0x00, 0x80, 0x00, 0xd2, 0x00, 0x00, 0x80, 0x01, 0xd2, 0x00, 0x00, 0x80, 0x02, 0xd2, 0x7f, 0xff, 0xff, 0xfd, 0xd2, 0x7f, 0xff, 0xff, 0xfe, 0xd2, 0x7f, 0xff, 0xff, 0xff }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPackInt64(t *testing.T) {
+ b := &bytes.Buffer{}
+ for _, i := range []int64 { -9223372036854775808, -9223372036854775807, -9223372036854775806, -2147483651, -2147483650, -2147483649, -2147483648, -2147483647, -2147483646, -32771, -32770, -32769, -32768, -32767, -131, -130, -129, -128, -127, -34, -33, -32, -31, 0, 1, 126, 127, 128, 129, 130, 32765, 32766, 32767, 32768, 32769, 32770, 2147483645, 2147483646, 2147483647, 2147483648, 2147483649, 2147483650, 4294967296, 4294967297, 4294967298 } {
+ _, err := PackInt64(b, i)
+ if err != nil { t.Error("err != nil") }
+ }
+ if bytes.Compare(b.Bytes(), []byte { 0xd3, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xd3, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xd3, 0xff, 0xff, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xfd, 0xd3, 0xff, 0xff, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xfe, 0xd3, 0xff, 0xff, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xd2, 0x80, 0x00, 0x00, 0x00, 0xd2, 0x80, 0x00, 0x00, 0x01, 0xd2, 0x80, 0x00, 0x00, 0x02, 0xd2, 0xff, 0xff, 0x7f, 0xfd, 0xd2, 0xff, 0xff, 0x7f, 0xfe, 0xd2, 0xff, 0xff, 0x7f, 0xff, 0xd1, 0x80, 0x00, 0xd1, 0x80, 0x01, 0xd1, 0xff, 0x7d, 0xd1, 0xff, 0x7e, 0xd1, 0xff, 0x7f, 0xd0, 0x80, 0xd0, 0x81, 0xd0, 0xde, 0xd0, 0xdf, 0xe0, 0xe1, 0x00, 0x01, 0x7e, 0x7f, 0xd1, 0x00, 0x80, 0xd1, 0x00, 0x81, 0xd1, 0x00, 0x82, 0xd1, 0x7f, 0xfd, 0xd1, 0x7f, 0xfe, 0xd1, 0x7f, 0xff, 0xd2, 0x00, 0x00, 0x80, 0x00, 0xd2, 0x00, 0x00, 0x80, 0x01, 0xd2, 0x00, 0x00, 0x80, 0x02, 0xd2, 0x7f, 0xff, 0xff, 0xfd, 0xd2, 0x7f, 0xff, 0xff, 0xfe, 0xd2, 0x7f, 0xff, 0xff, 0xff, 0xd3, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xd3, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x01, 0xd3, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x02, 0xd3, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0xd3, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02 }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPackNil(t *testing.T) {
+ b := &bytes.Buffer{}
+ nbyteswrite, err := PackNil(b)
+ if nbyteswrite != 1 { t.Error("nbyteswrite != 1") }
+ if err != nil { t.Error("err != nil") }
+ if bytes.Compare(b.Bytes(), []byte { 0xc0 }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPackBool(t *testing.T) {
+ b := &bytes.Buffer{}
+ for _, i := range []bool { false, true } {
+ nbyteswrite, err := PackBool(b, i)
+ if nbyteswrite != 1 { t.Error("nbyteswrite != 1") }
+ if err != nil { t.Error("err != nil") }
+ }
+ if bytes.Compare(b.Bytes(), []byte { 0xc2, 0xc3 }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPackInt32Array(t *testing.T) {
+ b := &bytes.Buffer{}
+ _, err := PackInt32Array(b, []int32 {})
+ if err != nil { t.Error("err != nil") }
+ _, err = PackInt32Array(b, []int32 { 0 })
+ if err != nil { t.Error("err != nil") }
+ _, err = PackInt32Array(b, []int32 { 0, 1 })
+ if err != nil { t.Error("err != nil") }
+ _, err = PackInt32Array(b, []int32 { 0, 1, 2 })
+ if err != nil { t.Error("err != nil") }
+ if bytes.Compare(b.Bytes(), []byte { 0x90, 0x91, 0x00, 0x92, 0x00, 0x01, 0x93, 0x00, 0x01, 0x02 }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPackArray(t *testing.T) {
+ b := &bytes.Buffer{}
+ _, err := PackArray(b, reflect.NewValue([]int32 {}).(reflect.ArrayOrSliceValue))
+ if err != nil { t.Error("err != nil") }
+ _, err = PackArray(b, reflect.NewValue([]int32 { 0 }).(reflect.ArrayOrSliceValue))
+ if err != nil { t.Error("err != nil") }
+ _, err = PackArray(b, reflect.NewValue([]int32 { 0, 1 }).(reflect.ArrayOrSliceValue))
+ if err != nil { t.Error("err != nil") }
+ _, err = PackArray(b, reflect.NewValue([]int32 { 0, 1, 2 }).(reflect.ArrayOrSliceValue))
+ if err != nil { t.Error("err != nil") }
+ if bytes.Compare(b.Bytes(), []byte { 0x90, 0x91, 0x00, 0x92, 0x00, 0x01, 0x93, 0x00, 0x01, 0x02 }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPackMap(t *testing.T) {
+ b := &bytes.Buffer{}
+ _, err := PackMap(b, reflect.NewValue(map[int] int { 0: 1, 2: 3, 4: 5 }).(*reflect.MapValue))
+ if err != nil { t.Error("err != nil") }
+ if bytes.Compare(b.Bytes(), []byte { 0x83, 0x00, 0x01, 0x04, 0x05, 0x02, 0x03 }) != 0 { t.Error("wrong output", b.Bytes()) }
+}
+
+func TestPack(t *testing.T) {
+ b := &bytes.Buffer{}
+ for _, i := range [](interface{}) { nil, false, true, 0, 1, 2, 3, 127, -32, -1, -33, 128 } {
+ _, err := Pack(b, i)
+ if err != nil { t.Error("err != nil") }
+ }
+ if bytes.Compare(b.Bytes(), []byte { 0xc0, 0xc2, 0xc3, 0x00, 0x01, 0x02, 0x03, 0x7f, 0xf0, 0xff, 0xd0, 0xef, 0xd1, 0x00, 0x80 }) == 0 { t.Error("wrong output") }
+}
+
+func TestUnpackArray(t *testing.T) {
+ b := bytes.NewBuffer([]byte { 0x90, 0x91, 0x00, 0x92, 0x00, 0x01, 0x93, 0xd1, 0x00, 0x00, 0xd2, 0x00, 0x00, 0x00, 0x01, 0xd3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xdc, 0x00, 0x02, 0x00, 0x01, 0xdd, 0x00, 0x00, 0x00, 0x04, 0x00, 0x01, 0x02, 0x03 })
+ for _, v := range [](interface{}) { [](interface{}) {}, [](interface{}) { int8(0) }, [](interface{}) { int8(0), int8(1) }, [](interface{}) { int16(0), int32(1), int64(2) }, [](interface{}){ int8(0), int8(1) }, [](interface{}) { int8(0), int8(1), int8(2), int8(3) } } {
+ retval, _, e := Unpack(b)
+ if e != nil { t.Error("err != nil") }
+ if !equal(reflect.NewValue(retval.Interface()), reflect.NewValue(v)) { t.Errorf("%s != %s", retval.Interface(), v) }
+ }
+}
+
+func TestUnpackInt(t *testing.T) {
+ b := bytes.NewBuffer([]byte { 0xff, 0xe0, 0x00, 0x01, 0x02, 0x7d, 0x7e, 0x7f, 0xd0, 0x01, 0xd0, 0x80, 0xd0, 0xff, 0xcc, 0x80, 0xcc, 0xfd, 0xcc, 0xfe, 0xcc, 0xff, 0xd1, 0x00, 0x00, 0xd1, 0x7f, 0xff, 0xd1, 0xff, 0xff, 0xcd, 0x80, 0x00, 0xcd, 0xff, 0xff, 0xd2, 0x7f, 0xff, 0xff, 0xff, 0xce, 0x7f, 0xff, 0xff, 0xff, 0xd3, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xcf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff })
+ for _, v := range [](interface{}) {
+ int8(-1), int8(-32), int8(0), int8(1), int8(2), int8(125), int8(126), int8(127), int8(1), int8(-128), int8(-1), uint8(128), uint8(253), uint8(254), uint8(255), int16(0), int16(32767), int16(-1), uint16(32768), uint16(65535), int32(2147483647), uint32(2147483647), int64(9223372036854775807), uint64(18446744073709551615) } {
+ retval, _, e := Unpack(b)
+ if e != nil { t.Error("err != nil") }
+ if retval.Interface() != v { t.Errorf("%u != %u", retval.Interface(), v) }
+ }
+}
+
+func TestUnpackFloat(t *testing.T) {
+ b := bytes.NewBuffer([]byte { 0xca, 0x3d, 0xcc, 0xcc, 0xcd, 0xca, 0x3e, 0x4c, 0xcc, 0xcd, 0xca, 0xbd, 0xcc, 0xcc, 0xcd, 0xca, 0xbe, 0x4c, 0xcc, 0xcd, 0xca, 0x7f, 0x80, 0x00, 0x00, 0xca, 0xff, 0x80, 0x00, 0x00, 0xca, 0xff, 0xc0, 0x00, 0x0, 0xcb, 0x3f, 0xb9, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a, 0xcb, 0x3f, 0xc9, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a, 0xcb, 0xbf, 0xb9, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a, 0xcb, 0xbf, 0xc9, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a, 0xcb, 0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcb, 0xcb, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcb, 0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 })
+ for _, v := range [](interface{}) { float32(.1), float32(.2), float32(-.1), float32(-.2), float32(math.Inf(1)), float32(math.Inf(-1)), float32(math.NaN()), float64(.1), float64(.2), float64(-.1), float64(-.2) } {
+ retval, _, e := Unpack(b)
+ if e != nil { t.Error("err != nil") }
+ isnan := false
+ if _v, ok := v.(float64); ok {
+ isnan = math.IsNaN(_v)
+ } else if _v, ok := v.(float32); ok {
+ isnan = math.IsNaN(float64(_v))
+ }
+ if isnan {
+ if retval.Interface() == v { t.Errorf("[NaN] %u == %u", retval.Interface(), v) }
+ } else {
+ if retval.Interface() != v { t.Errorf("%u != %u", retval.Interface(), v) }
+ }
+ }
+}
diff --git a/go/pack.go b/go/pack.go
new file mode 100644
index 00000000..c129166e
--- /dev/null
+++ b/go/pack.go
@@ -0,0 +1,591 @@
+package msgpack
+
+import (
+ "io"
+ "os"
+ "unsafe"
+ "reflect"
+);
+
+// Packs a given value and writes it into the specified writer.
+func PackUint8(writer io.Writer, value uint8) (n int, err os.Error) {
+ if value < 128 {
+ return writer.Write([]byte { byte(value) })
+ }
+ return writer.Write([]byte { 0xcc, byte(value) })
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackUint16(writer io.Writer, value uint16) (n int, err os.Error) {
+ if value < 128 {
+ return writer.Write([]byte { byte(value) })
+ } else if value < 256 {
+ return writer.Write([]byte { 0xcc, byte(value) })
+ }
+ return writer.Write([]byte { 0xcd, byte(value >> 8), byte(value) })
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackUint32(writer io.Writer, value uint32) (n int, err os.Error) {
+ if value < 128 {
+ return writer.Write([]byte { byte(value) })
+ } else if value < 256 {
+ return writer.Write([]byte { 0xcc, byte(value) })
+ } else if value < 65536 {
+ return writer.Write([]byte { 0xcd, byte(value >> 8), byte(value) })
+ }
+ return writer.Write([]byte { 0xce, byte(value >> 24), byte(value >> 16), byte(value >> 8), byte(value) })
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackUint64(writer io.Writer, value uint64) (n int, err os.Error) {
+ if value < 128 {
+ return writer.Write([]byte { byte(value) })
+ } else if value < 256 {
+ return writer.Write([]byte { 0xcc, byte(value) })
+ } else if value < 65536 {
+ return writer.Write([]byte { 0xcd, byte(value >> 8), byte(value) })
+ } else if value < 4294967296 {
+ return writer.Write([]byte { 0xce, byte(value >> 24), byte(value >> 16), byte(value >> 8), byte(value) })
+ }
+ return writer.Write([]byte { 0xcf, byte(value >> 56), byte(value >> 48), byte(value >> 40), byte(value >> 32), byte(value >> 24), byte(value >> 16), byte(value >> 8), byte(value) })
+}
+
+func PackUint(writer io.Writer, value uint) (n int, err os.Error) {
+// Packs a given value and writes it into the specified writer.
+ switch unsafe.Sizeof(value) {
+ case 4:
+ return PackUint32(writer, *(*uint32)(unsafe.Pointer(&value)))
+ case 8:
+ return PackUint64(writer, *(*uint64)(unsafe.Pointer(&value)))
+ }
+ return 0, os.ENOENT // never get here
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackInt8(writer io.Writer, value int8) (n int, err os.Error) {
+ if value < -32 {
+ return writer.Write([]byte { 0xd0, byte(value) })
+ }
+ return writer.Write([]byte { byte(value) })
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackInt16(writer io.Writer, value int16) (n int, err os.Error) {
+ if value < -128 || value >= 128 {
+ return writer.Write([]byte { 0xd1, byte(uint16(value) >> 8), byte(value) })
+ } else if value < -32 {
+ return writer.Write([]byte { 0xd0, byte(value) })
+ }
+ return writer.Write([]byte { byte(value) })
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackInt32(writer io.Writer, value int32) (n int, err os.Error) {
+ if value < -32768 || value >= 32768 {
+ return writer.Write([]byte { 0xd2, byte(uint32(value) >> 24), byte(uint32(value) >> 16), byte(uint32(value) >> 8), byte(value) })
+ } else if value < -128 {
+ return writer.Write([]byte { 0xd1, byte(uint32(value) >> 8), byte(value) })
+ } else if value < -32 {
+ return writer.Write([]byte { 0xd0, byte(value) })
+ } else if value >= 128 {
+ return writer.Write([]byte { 0xd1, byte(uint32(value) >> 8), byte(value) })
+ }
+ return writer.Write([]byte { byte(value) })
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackInt64(writer io.Writer, value int64) (n int, err os.Error) {
+ if value < -2147483648 || value >= 2147483648 {
+ return writer.Write([]byte { 0xd3, byte(uint64(value) >> 56), byte(uint64(value) >> 48), byte(uint64(value) >> 40), byte(uint64(value) >> 32), byte(uint64(value) >> 24), byte(uint64(value) >> 16), byte(uint64(value) >> 8), byte(value) })
+ } else if value < -32768 || value >= 32768 {
+ return writer.Write([]byte { 0xd2, byte(uint64(value) >> 24), byte(uint64(value) >> 16), byte(uint64(value) >> 8), byte(value) })
+ } else if value < -128 || value >= 128 {
+ return writer.Write([]byte { 0xd1, byte(uint64(value) >> 8), byte(value) })
+ } else if value < -32 {
+ return writer.Write([]byte { 0xd0, byte(value) })
+ }
+ return writer.Write([]byte { byte(value) })
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackInt(writer io.Writer, value int) (n int, err os.Error) {
+ switch unsafe.Sizeof(value) {
+ case 4:
+ return PackInt32(writer, *(*int32)(unsafe.Pointer(&value)))
+ case 8:
+ return PackInt64(writer, *(*int64)(unsafe.Pointer(&value)))
+ }
+ return 0, os.ENOENT // never get here
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackNil(writer io.Writer) (n int, err os.Error) {
+ return writer.Write([]byte{ 0xc0 })
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackBool(writer io.Writer, value bool) (n int, err os.Error) {
+ var code byte;
+ if value {
+ code = 0xc3
+ } else {
+ code = 0xc2
+ }
+ return writer.Write([]byte{ code })
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackFloat32(writer io.Writer, value float32) (n int, err os.Error) {
+ return PackUint32(writer, *(*uint32)(unsafe.Pointer(&value)))
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackFloat64(writer io.Writer, value float64) (n int, err os.Error) {
+ return PackUint64(writer, *(*uint64)(unsafe.Pointer(&value)))
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackBytes(writer io.Writer, value []byte) (n int, err os.Error) {
+ if len(value) < 32 {
+ n1, err := writer.Write([]byte { 0xa0 | uint8(len(value)) })
+ if err != nil { return n1, err }
+ n2, err := writer.Write(value)
+ return n1 + n2, err
+ } else if len(value) < 65536 {
+ n1, err := writer.Write([]byte { 0xda, byte(len(value) >> 16), byte(len(value)) })
+ if err != nil { return n1, err }
+ n2, err := writer.Write(value)
+ return n1 + n2, err
+ }
+ n1, err := writer.Write([]byte { 0xdb, byte(len(value) >> 24), byte(len(value) >> 16), byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n1, err }
+ n2, err := writer.Write(value)
+ return n1 + n2, err
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackUint16Array(writer io.Writer, value []uint16) (n int, err os.Error) {
+ if len(value) < 16 {
+ n, err := writer.Write([]byte { 0x90 | byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackUint16(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else if len(value) < 65536 {
+ n, err := writer.Write([]byte { 0xdc, byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackUint16(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else {
+ n, err := writer.Write([]byte { 0xdd, byte(len(value) >> 24), byte(len(value) >> 16), byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackUint16(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ }
+ return n, nil
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackUint32Array(writer io.Writer, value []uint32) (n int, err os.Error) {
+ if len(value) < 16 {
+ n, err := writer.Write([]byte { 0x90 | byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackUint32(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else if len(value) < 65536 {
+ n, err := writer.Write([]byte { 0xdc, byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackUint32(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else {
+ n, err := writer.Write([]byte { 0xdd, byte(len(value) >> 24), byte(len(value) >> 16), byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackUint32(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ }
+ return n, nil
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackUint64Array(writer io.Writer, value []uint64) (n int, err os.Error) {
+ if len(value) < 16 {
+ n, err := writer.Write([]byte { 0x90 | byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackUint64(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else if len(value) < 65536 {
+ n, err := writer.Write([]byte { 0xdc, byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackUint64(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else {
+ n, err := writer.Write([]byte { 0xdd, byte(len(value) >> 24), byte(len(value) >> 16), byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackUint64(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ }
+ return n, nil
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackUintArray(writer io.Writer, value []uint) (n int, err os.Error) {
+ switch unsafe.Sizeof(0) {
+ case 4:
+ return PackUint32Array(writer, *(*[]uint32)(unsafe.Pointer(&value)))
+ case 8:
+ return PackUint64Array(writer, *(*[]uint64)(unsafe.Pointer(&value)))
+ }
+ return 0, os.ENOENT // never get here
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackInt8Array(writer io.Writer, value []int8) (n int, err os.Error) {
+ if len(value) < 16 {
+ n, err := writer.Write([]byte { 0x90 | byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackInt8(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else if len(value) < 65536 {
+ n, err := writer.Write([]byte { 0xdc, byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackInt8(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else {
+ n, err := writer.Write([]byte { 0xdd, byte(len(value) >> 24), byte(len(value) >> 16), byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackInt8(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ }
+ return n, nil
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackInt16Array(writer io.Writer, value []int16) (n int, err os.Error) {
+ if len(value) < 16 {
+ n, err := writer.Write([]byte { 0x90 | byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackInt16(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else if len(value) < 65536 {
+ n, err := writer.Write([]byte { 0xdc, byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackInt16(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else {
+ n, err := writer.Write([]byte { 0xdd, byte(len(value) >> 24), byte(len(value) >> 16), byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackInt16(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ }
+ return n, nil
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackInt32Array(writer io.Writer, value []int32) (n int, err os.Error) {
+ if len(value) < 16 {
+ n, err := writer.Write([]byte { 0x90 | byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackInt32(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else if len(value) < 65536 {
+ n, err := writer.Write([]byte { 0xdc, byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackInt32(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else {
+ n, err := writer.Write([]byte { 0xdd, byte(len(value) >> 24), byte(len(value) >> 16), byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackInt32(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ }
+ return n, nil
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackInt64Array(writer io.Writer, value []int64) (n int, err os.Error) {
+ if len(value) < 16 {
+ n, err := writer.Write([]byte { 0x90 | byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackInt64(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else if len(value) < 65536 {
+ n, err := writer.Write([]byte { 0xdc, byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackInt64(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else {
+ n, err := writer.Write([]byte { 0xdd, byte(len(value) >> 24), byte(len(value) >> 16), byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackInt64(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ }
+ return n, nil
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackIntArray(writer io.Writer, value []int) (n int, err os.Error) {
+ switch unsafe.Sizeof(0) {
+ case 4:
+ return PackInt32Array(writer, *(*[]int32)(unsafe.Pointer(&value)))
+ case 8:
+ return PackInt64Array(writer, *(*[]int64)(unsafe.Pointer(&value)))
+ }
+ return 0, os.ENOENT // never get here
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackFloat32Array(writer io.Writer, value []float32) (n int, err os.Error) {
+ if len(value) < 16 {
+ n, err := writer.Write([]byte { 0x90 | byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackFloat32(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else if len(value) < 65536 {
+ n, err := writer.Write([]byte { 0xdc, byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackFloat32(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else {
+ n, err := writer.Write([]byte { 0xdd, byte(len(value) >> 24), byte(len(value) >> 16), byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackFloat32(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ }
+ return n, nil
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackFloat64Array(writer io.Writer, value []float64) (n int, err os.Error) {
+ if len(value) < 16 {
+ n, err := writer.Write([]byte { 0x90 | byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackFloat64(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else if len(value) < 65536 {
+ n, err := writer.Write([]byte { 0xdc, byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackFloat64(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else {
+ n, err := writer.Write([]byte { 0xdd, byte(len(value) >> 24), byte(len(value) >> 16), byte(len(value) >> 8), byte(len(value)) })
+ if err != nil { return n, err }
+ for _, i := range value {
+ _n, err := PackFloat64(writer, i)
+ if err != nil { return n, err }
+ n += _n
+ }
+ }
+ return n, nil
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackArray(writer io.Writer, value reflect.ArrayOrSliceValue) (n int, err os.Error) {
+ {
+ elemType, ok := value.Type().(reflect.ArrayOrSliceType).Elem().(*reflect.UintType)
+ if ok && elemType.Kind() == reflect.Uint8 {
+ return PackBytes(writer, value.Interface().([]byte))
+ }
+ }
+
+ l := value.Len()
+ if l < 16 {
+ n, err := writer.Write([]byte { 0x90 | byte(l) })
+ if err != nil { return n, err }
+ for i := 0; i < l; i++ {
+ _n, err := PackValue(writer, value.Elem(i))
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else if l < 65536 {
+ n, err := writer.Write([]byte { 0xdc, byte(l >> 8), byte(l) })
+ if err != nil { return n, err }
+ for i := 0; i < l; i++ {
+ _n, err := PackValue(writer, value.Elem(i))
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else {
+ n, err := writer.Write([]byte { 0xdd, byte(l >> 24), byte(l >> 16), byte(l >> 8), byte(l) })
+ if err != nil { return n, err }
+ for i := 0; i < l; i++ {
+ _n, err := PackValue(writer, value.Elem(i))
+ if err != nil { return n, err }
+ n += _n
+ }
+ }
+ return n, nil
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackMap(writer io.Writer, value *reflect.MapValue) (n int, err os.Error) {
+ keys := value.Keys()
+ if value.Len() < 16 {
+ n, err := writer.Write([]byte { 0x80 | byte(len(keys)) })
+ if err != nil { return n, err }
+ for _, k := range keys {
+ _n, err := PackValue(writer, k)
+ if err != nil { return n, err }
+ n += _n
+ _n, err = PackValue(writer, value.Elem(k))
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else if value.Len() < 65536 {
+ n, err := writer.Write([]byte { 0xde, byte(len(keys) >> 8), byte(len(keys)) })
+ if err != nil { return n, err }
+ for _, k := range keys {
+ _n, err := PackValue(writer, k)
+ if err != nil { return n, err }
+ n += _n
+ _n, err = PackValue(writer, value.Elem(k))
+ if err != nil { return n, err }
+ n += _n
+ }
+ } else {
+ n, err := writer.Write([]byte { 0xdf, byte(len(keys) >> 24), byte(len(keys) >> 16), byte(len(keys) >> 8), byte(len(keys)) })
+ if err != nil { return n, err }
+ for _, k := range keys {
+ _n, err := PackValue(writer, k)
+ if err != nil { return n, err }
+ n += _n
+ _n, err = PackValue(writer, value.Elem(k))
+ if err != nil { return n, err }
+ n += _n
+ }
+ }
+ return n, nil
+}
+
+// Packs a given value and writes it into the specified writer.
+func PackValue(writer io.Writer, value reflect.Value) (n int, err os.Error) {
+ if value == nil || value.Type() == nil { return PackNil(writer) }
+ switch _value := value.(type) {
+ case *reflect.BoolValue: return PackBool(writer, _value.Get())
+ case *reflect.UintValue: return PackUint64(writer, _value.Get())
+ case *reflect.IntValue: return PackInt64(writer, _value.Get())
+ case *reflect.FloatValue: return PackFloat64(writer, _value.Get())
+ case *reflect.ArrayValue: return PackArray(writer, _value)
+ case *reflect.SliceValue: return PackArray(writer, _value)
+ case *reflect.MapValue: return PackMap(writer, _value)
+ case *reflect.InterfaceValue:
+ __value := reflect.NewValue(_value.Interface())
+ _, ok := __value.(*reflect.InterfaceValue)
+ if !ok {
+ return PackValue(writer, __value)
+ }
+ }
+ panic("unsupported type: " + value.Type().String())
+}
+
+// Packs a given value and writes it into the specified writer.
+func Pack(writer io.Writer, value interface{}) (n int, err os.Error) {
+ if value == nil { return PackNil(writer) }
+ switch _value := value.(type) {
+ case bool: return PackBool(writer, _value)
+ case uint8: return PackUint8(writer, _value)
+ case uint16: return PackUint16(writer, _value)
+ case uint32: return PackUint32(writer, _value)
+ case uint64: return PackUint64(writer, _value)
+ case uint: return PackUint(writer, _value)
+ case int8: return PackInt8(writer, _value)
+ case int16: return PackInt16(writer, _value)
+ case int32: return PackInt32(writer, _value)
+ case int64: return PackInt64(writer, _value)
+ case int: return PackInt(writer, _value)
+ case float32: return PackFloat32(writer, _value)
+ case float64: return PackFloat64(writer, _value)
+ case []byte: return PackBytes(writer, _value)
+ case []uint16: return PackUint16Array(writer, _value)
+ case []uint32: return PackUint32Array(writer, _value)
+ case []uint64: return PackUint64Array(writer, _value)
+ case []uint: return PackUintArray(writer, _value)
+ case []int8: return PackInt8Array(writer, _value)
+ case []int16: return PackInt16Array(writer, _value)
+ case []int32: return PackInt32Array(writer, _value)
+ case []int64: return PackInt64Array(writer, _value)
+ case []int: return PackIntArray(writer, _value)
+ case []float32: return PackFloat32Array(writer, _value)
+ case []float64: return PackFloat64Array(writer, _value)
+ default:
+ return PackValue(writer, reflect.NewValue(value))
+ }
+ return 0, nil // never get here
+}
diff --git a/go/unpack.go b/go/unpack.go
new file mode 100644
index 00000000..6bf0159d
--- /dev/null
+++ b/go/unpack.go
@@ -0,0 +1,288 @@
+package msgpack
+
+import (
+ "io"
+ "os"
+ "unsafe"
+ "strconv"
+ "reflect"
+)
+
+func readByte(reader io.Reader) (v uint8, err os.Error) {
+ data := [1]byte{}
+ _, e := reader.Read(data[0:])
+ if e != nil { return 0, e }
+ return data[0], nil
+}
+
+func readUint16(reader io.Reader) (v uint16, n int, err os.Error) {
+ data := [2]byte{}
+ n, e := reader.Read(data[0:])
+ if e != nil { return 0, n, e }
+ return (uint16(data[0]) << 8) | uint16(data[1]), n, nil
+}
+
+func readUint32(reader io.Reader) (v uint32, n int, err os.Error) {
+ data := [4]byte{}
+ n, e := reader.Read(data[0:])
+ if e != nil { return 0, n, e }
+ return (uint32(data[0]) << 24) | (uint32(data[1]) << 16) | (uint32(data[2]) << 8) | uint32(data[3]), n, nil
+}
+
+func readUint64(reader io.Reader) (v uint64, n int, err os.Error) {
+ data := [8]byte{}
+ n, e := reader.Read(data[0:])
+ if e != nil { return 0, n, e }
+ return (uint64(data[0]) << 56) | (uint64(data[1]) << 48) | (uint64(data[2]) << 40) | (uint64(data[3]) << 32) | (uint64(data[4]) << 24) | (uint64(data[5]) << 16) | (uint64(data[6]) << 8) | uint64(data[7]), n, nil
+}
+
+func readInt16(reader io.Reader) (v int16, n int, err os.Error) {
+ data := [2]byte{}
+ n, e := reader.Read(data[0:])
+ if e != nil { return 0, n, e }
+ return (int16(data[0]) << 8) | int16(data[1]), n, nil
+}
+
+func readInt32(reader io.Reader) (v int32, n int, err os.Error) {
+ data := [4]byte{}
+ n, e := reader.Read(data[0:])
+ if e != nil { return 0, n, e }
+ return (int32(data[0]) << 24) | (int32(data[1]) << 16) | (int32(data[2]) << 8) | int32(data[3]), n, nil
+}
+
+func readInt64(reader io.Reader) (v int64, n int, err os.Error) {
+ data := [8]byte{}
+ n, e := reader.Read(data[0:])
+ if e != nil { return 0, n, e }
+ return (int64(data[0]) << 56) | (int64(data[1]) << 48) | (int64(data[2]) << 40) | (int64(data[3]) << 32) | (int64(data[4]) << 24) | (int64(data[5]) << 16) | (int64(data[6]) << 8) | int64(data[7]), n, nil
+}
+
+func unpackArray(reader io.Reader, nelems uint) (v reflect.Value, n int, err os.Error) {
+ retval := make([]interface{}, nelems)
+ nbytesread := 0
+ var i uint
+ for i = 0; i < nelems; i++ {
+ v, n, e := Unpack(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval[i] = v.Interface()
+ }
+ return reflect.NewValue(retval), nbytesread, nil
+}
+
+func unpackArrayReflected(reader io.Reader, nelems uint) (v reflect.Value, n int, err os.Error) {
+ retval := make([]reflect.Value, nelems)
+ nbytesread := 0
+ var i uint
+ for i = 0; i < nelems; i++ {
+ v, n, e := UnpackReflected(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval[i] = v
+ }
+ return reflect.NewValue(retval), nbytesread, nil
+}
+
+func unpackMap(reader io.Reader, nelems uint) (v reflect.Value, n int, err os.Error) {
+ retval := make(map [interface{}] interface{})
+ nbytesread := 0
+ var i uint
+ for i = 0; i < nelems; i++ {
+ k, n, e := Unpack(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ v, n, e := Unpack(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval[k.Interface()] = v.Interface()
+ }
+ return reflect.NewValue(retval), nbytesread, nil
+}
+
+func unpackMapReflected(reader io.Reader, nelems uint) (v reflect.Value, n int, err os.Error) {
+ retval := make(map [reflect.Value] reflect.Value)
+ nbytesread := 0
+ var i uint
+ for i = 0; i < nelems; i++ {
+ k, n, e := UnpackReflected(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ v, n, e := UnpackReflected(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval[k] = v
+ }
+ return reflect.NewValue(retval), nbytesread, nil
+}
+
+func unpack(reader io.Reader, reflected bool) (v reflect.Value, n int, err os.Error) {
+ var retval reflect.Value
+ var nbytesread int = 0
+
+ c, e := readByte(reader)
+ if e != nil { return nil, 0, e }
+ nbytesread += 1
+ if c < 0x80 || c >= 0xe0 {
+ retval = reflect.NewValue(int8(c))
+ } else if c >= 0x80 && c <= 0x8f {
+ if reflected {
+ retval, n, e = unpackMapReflected(reader, uint(c & 0xf))
+ } else {
+ retval, n, e = unpackMap(reader, uint(c & 0xf))
+ }
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ nbytesread += n
+ } else if c >= 0x90 && c <= 0x9f {
+ if reflected {
+ retval, n, e = unpackArrayReflected(reader, uint(c & 0xf))
+ } else {
+ retval, n, e = unpackArray(reader, uint(c & 0xf))
+ }
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ nbytesread += n
+ } else if c >= 0xa0 && c <= 0xbf {
+ data := make([]byte, c & 0xf);
+ n, e := reader.Read(data)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(data)
+ } else {
+ switch c {
+ case 0xc0: retval = reflect.NewValue(nil)
+ case 0xc2: retval = reflect.NewValue(false)
+ case 0xc3: retval = reflect.NewValue(true)
+ case 0xca:
+ data, n, e := readUint32(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(*(*float32)(unsafe.Pointer(&data)))
+ case 0xcb:
+ data, n, e := readUint64(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(*(*float64)(unsafe.Pointer(&data)))
+ case 0xcc:
+ data, e := readByte(reader)
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(uint8(data))
+ nbytesread += 1
+ case 0xcd:
+ data, n, e := readUint16(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(data)
+ case 0xce:
+ data, n, e := readUint32(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(data)
+ case 0xcf:
+ data, n, e := readUint64(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(data)
+ case 0xd0:
+ data, e := readByte(reader)
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(int8(data))
+ nbytesread += 1
+ case 0xd1:
+ data, n, e := readInt16(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(data)
+ case 0xd2:
+ data, n, e := readInt32(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(data)
+ case 0xd3:
+ data, n, e := readInt64(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(data)
+ case 0xda:
+ nbytestoread, n, e := readUint16(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ data := make([]byte, nbytestoread)
+ n, e = reader.Read(data)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(data)
+ case 0xdb:
+ nbytestoread, n, e := readUint32(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ data := make([]byte, nbytestoread)
+ n, e = reader.Read(data)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ retval = reflect.NewValue(data)
+ case 0xdc:
+ nelemstoread, n, e := readUint16(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ if reflected {
+ retval, n, e = unpackArrayReflected(reader, uint(nelemstoread))
+ } else {
+ retval, n, e = unpackArray(reader, uint(nelemstoread))
+ }
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ case 0xdd:
+ nelemstoread, n, e := readUint32(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ if reflected {
+ retval, n, e = unpackArrayReflected(reader, uint(nelemstoread))
+ } else {
+ retval, n, e = unpackArray(reader, uint(nelemstoread))
+ }
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ case 0xde:
+ nelemstoread, n, e := readUint16(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ if reflected {
+ retval, n, e = unpackMapReflected(reader, uint(nelemstoread))
+ } else {
+ retval, n, e = unpackMap(reader, uint(nelemstoread))
+ }
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ case 0xdf:
+ nelemstoread, n, e := readUint32(reader)
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ if reflected {
+ retval, n, e = unpackMapReflected(reader, uint(nelemstoread))
+ } else {
+ retval, n, e = unpackMap(reader, uint(nelemstoread))
+ }
+ nbytesread += n
+ if e != nil { return nil, nbytesread, e }
+ default:
+ panic("unsupported code: " + strconv.Itoa(int(c)))
+ }
+ }
+ return retval, nbytesread, nil
+}
+
+// Reads a value from the reader, unpack and returns it.
+func Unpack(reader io.Reader) (v reflect.Value, n int, err os.Error) {
+ return unpack(reader, false)
+}
+
+// Reads unpack a value from the reader, unpack and returns it. When the
+// value is an array or map, leaves the elements wrapped by corresponding
+// wrapper objects defined in reflect package.
+func UnpackReflected(reader io.Reader) (v reflect.Value, n int, err os.Error) {
+ return unpack(reader, true)
+}
+
+
+