| // 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 |
| } |