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// Protocol Buffers for Go with Gadgets
//
// Copyright (c) 2013, The GoGo Authors. All rights reserved.
// http://github.com/gogo/protobuf
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package proto
import (
"reflect"
)
// Decode a reference to a struct pointer.
func (o *Buffer) dec_ref_struct_message(p *Properties, base structPointer) (err error) {
raw, e := o.DecodeRawBytes(false)
if e != nil {
return e
}
// If the object can unmarshal itself, let it.
if p.isUnmarshaler {
panic("not supported, since this is a pointer receiver")
}
obuf := o.buf
oi := o.index
o.buf = raw
o.index = 0
bas := structPointer_FieldPointer(base, p.field)
err = o.unmarshalType(p.stype, p.sprop, false, bas)
o.buf = obuf
o.index = oi
return err
}
// Decode a slice of references to struct pointers ([]struct).
func (o *Buffer) dec_slice_ref_struct(p *Properties, is_group bool, base structPointer) error {
newBas := appendStructPointer(base, p.field, p.sstype)
if is_group {
panic("not supported, maybe in future, if requested.")
}
raw, err := o.DecodeRawBytes(false)
if err != nil {
return err
}
// If the object can unmarshal itself, let it.
if p.isUnmarshaler {
panic("not supported, since this is not a pointer receiver.")
}
obuf := o.buf
oi := o.index
o.buf = raw
o.index = 0
err = o.unmarshalType(p.stype, p.sprop, is_group, newBas)
o.buf = obuf
o.index = oi
return err
}
// Decode a slice of references to struct pointers.
func (o *Buffer) dec_slice_ref_struct_message(p *Properties, base structPointer) error {
return o.dec_slice_ref_struct(p, false, base)
}
func setPtrCustomType(base structPointer, f field, v interface{}) {
if v == nil {
return
}
structPointer_SetStructPointer(base, f, toStructPointer(reflect.ValueOf(v)))
}
func setCustomType(base structPointer, f field, value interface{}) {
if value == nil {
return
}
v := reflect.ValueOf(value).Elem()
t := reflect.TypeOf(value).Elem()
kind := t.Kind()
switch kind {
case reflect.Slice:
slice := reflect.MakeSlice(t, v.Len(), v.Cap())
reflect.Copy(slice, v)
oldHeader := structPointer_GetSliceHeader(base, f)
oldHeader.Data = slice.Pointer()
oldHeader.Len = v.Len()
oldHeader.Cap = v.Cap()
default:
size := reflect.TypeOf(value).Elem().Size()
structPointer_Copy(toStructPointer(reflect.ValueOf(value)), structPointer_Add(base, f), int(size))
}
}
func (o *Buffer) dec_custom_bytes(p *Properties, base structPointer) error {
b, err := o.DecodeRawBytes(true)
if err != nil {
return err
}
i := reflect.New(p.ctype.Elem()).Interface()
custom := (i).(Unmarshaler)
if err := custom.Unmarshal(b); err != nil {
return err
}
setPtrCustomType(base, p.field, custom)
return nil
}
func (o *Buffer) dec_custom_ref_bytes(p *Properties, base structPointer) error {
b, err := o.DecodeRawBytes(true)
if err != nil {
return err
}
i := reflect.New(p.ctype).Interface()
custom := (i).(Unmarshaler)
if err := custom.Unmarshal(b); err != nil {
return err
}
if custom != nil {
setCustomType(base, p.field, custom)
}
return nil
}
// Decode a slice of bytes ([]byte) into a slice of custom types.
func (o *Buffer) dec_custom_slice_bytes(p *Properties, base structPointer) error {
b, err := o.DecodeRawBytes(true)
if err != nil {
return err
}
i := reflect.New(p.ctype.Elem()).Interface()
custom := (i).(Unmarshaler)
if err := custom.Unmarshal(b); err != nil {
return err
}
newBas := appendStructPointer(base, p.field, p.ctype)
var zero field
setCustomType(newBas, zero, custom)
return nil
}
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