mirror of
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351 lines
9.2 KiB
Go
351 lines
9.2 KiB
Go
![]() |
// Protocol Buffers for Go with Gadgets
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//
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// Copyright (c) 2013, The GoGo Authors. All rights reserved.
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// http://github.com/gogo/protobuf
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//
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// Go support for Protocol Buffers - Google's data interchange format
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//
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// Copyright 2010 The Go Authors. All rights reserved.
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// http://github.com/golang/protobuf/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package proto
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import (
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"reflect"
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)
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func NewRequiredNotSetError(field string) *RequiredNotSetError {
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return &RequiredNotSetError{field}
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}
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type Sizer interface {
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Size() int
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}
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func (o *Buffer) enc_ext_slice_byte(p *Properties, base structPointer) error {
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s := *structPointer_Bytes(base, p.field)
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if s == nil {
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return ErrNil
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}
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o.buf = append(o.buf, s...)
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return nil
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}
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func size_ext_slice_byte(p *Properties, base structPointer) (n int) {
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s := *structPointer_Bytes(base, p.field)
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if s == nil {
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return 0
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}
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n += len(s)
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return
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}
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// Encode a reference to bool pointer.
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func (o *Buffer) enc_ref_bool(p *Properties, base structPointer) error {
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v := *structPointer_BoolVal(base, p.field)
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x := 0
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if v {
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x = 1
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}
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o.buf = append(o.buf, p.tagcode...)
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p.valEnc(o, uint64(x))
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return nil
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}
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func size_ref_bool(p *Properties, base structPointer) int {
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return len(p.tagcode) + 1 // each bool takes exactly one byte
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}
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// Encode a reference to int32 pointer.
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func (o *Buffer) enc_ref_int32(p *Properties, base structPointer) error {
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v := structPointer_Word32Val(base, p.field)
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x := int32(word32Val_Get(v))
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o.buf = append(o.buf, p.tagcode...)
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p.valEnc(o, uint64(x))
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return nil
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}
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func size_ref_int32(p *Properties, base structPointer) (n int) {
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v := structPointer_Word32Val(base, p.field)
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x := int32(word32Val_Get(v))
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n += len(p.tagcode)
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n += p.valSize(uint64(x))
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return
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}
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func (o *Buffer) enc_ref_uint32(p *Properties, base structPointer) error {
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v := structPointer_Word32Val(base, p.field)
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x := word32Val_Get(v)
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o.buf = append(o.buf, p.tagcode...)
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p.valEnc(o, uint64(x))
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return nil
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}
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func size_ref_uint32(p *Properties, base structPointer) (n int) {
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v := structPointer_Word32Val(base, p.field)
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x := word32Val_Get(v)
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n += len(p.tagcode)
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n += p.valSize(uint64(x))
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return
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}
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// Encode a reference to an int64 pointer.
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func (o *Buffer) enc_ref_int64(p *Properties, base structPointer) error {
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v := structPointer_Word64Val(base, p.field)
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x := word64Val_Get(v)
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o.buf = append(o.buf, p.tagcode...)
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p.valEnc(o, x)
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return nil
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}
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func size_ref_int64(p *Properties, base structPointer) (n int) {
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v := structPointer_Word64Val(base, p.field)
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x := word64Val_Get(v)
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n += len(p.tagcode)
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n += p.valSize(x)
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return
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}
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// Encode a reference to a string pointer.
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func (o *Buffer) enc_ref_string(p *Properties, base structPointer) error {
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v := *structPointer_StringVal(base, p.field)
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o.buf = append(o.buf, p.tagcode...)
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o.EncodeStringBytes(v)
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return nil
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}
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func size_ref_string(p *Properties, base structPointer) (n int) {
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v := *structPointer_StringVal(base, p.field)
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n += len(p.tagcode)
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n += sizeStringBytes(v)
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return
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}
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// Encode a reference to a message struct.
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func (o *Buffer) enc_ref_struct_message(p *Properties, base structPointer) error {
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var state errorState
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structp := structPointer_GetRefStructPointer(base, p.field)
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if structPointer_IsNil(structp) {
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return ErrNil
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}
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// Can the object marshal itself?
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if p.isMarshaler {
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m := structPointer_Interface(structp, p.stype).(Marshaler)
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data, err := m.Marshal()
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if err != nil && !state.shouldContinue(err, nil) {
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return err
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}
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o.buf = append(o.buf, p.tagcode...)
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o.EncodeRawBytes(data)
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return nil
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}
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o.buf = append(o.buf, p.tagcode...)
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return o.enc_len_struct(p.sprop, structp, &state)
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}
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//TODO this is only copied, please fix this
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func size_ref_struct_message(p *Properties, base structPointer) int {
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structp := structPointer_GetRefStructPointer(base, p.field)
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if structPointer_IsNil(structp) {
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return 0
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}
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// Can the object marshal itself?
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if p.isMarshaler {
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m := structPointer_Interface(structp, p.stype).(Marshaler)
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data, _ := m.Marshal()
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n0 := len(p.tagcode)
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n1 := sizeRawBytes(data)
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return n0 + n1
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}
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n0 := len(p.tagcode)
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n1 := size_struct(p.sprop, structp)
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n2 := sizeVarint(uint64(n1)) // size of encoded length
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return n0 + n1 + n2
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}
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// Encode a slice of references to message struct pointers ([]struct).
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func (o *Buffer) enc_slice_ref_struct_message(p *Properties, base structPointer) error {
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var state errorState
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ss := structPointer_StructRefSlice(base, p.field, p.stype.Size())
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l := ss.Len()
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for i := 0; i < l; i++ {
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structp := ss.Index(i)
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if structPointer_IsNil(structp) {
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return errRepeatedHasNil
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}
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// Can the object marshal itself?
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if p.isMarshaler {
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m := structPointer_Interface(structp, p.stype).(Marshaler)
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data, err := m.Marshal()
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if err != nil && !state.shouldContinue(err, nil) {
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return err
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}
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o.buf = append(o.buf, p.tagcode...)
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o.EncodeRawBytes(data)
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continue
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}
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o.buf = append(o.buf, p.tagcode...)
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err := o.enc_len_struct(p.sprop, structp, &state)
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if err != nil && !state.shouldContinue(err, nil) {
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if err == ErrNil {
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return errRepeatedHasNil
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}
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return err
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}
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}
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return state.err
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}
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//TODO this is only copied, please fix this
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func size_slice_ref_struct_message(p *Properties, base structPointer) (n int) {
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ss := structPointer_StructRefSlice(base, p.field, p.stype.Size())
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l := ss.Len()
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n += l * len(p.tagcode)
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for i := 0; i < l; i++ {
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structp := ss.Index(i)
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if structPointer_IsNil(structp) {
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return // return the size up to this point
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}
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// Can the object marshal itself?
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if p.isMarshaler {
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m := structPointer_Interface(structp, p.stype).(Marshaler)
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data, _ := m.Marshal()
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n += len(p.tagcode)
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n += sizeRawBytes(data)
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continue
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}
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n0 := size_struct(p.sprop, structp)
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n1 := sizeVarint(uint64(n0)) // size of encoded length
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n += n0 + n1
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}
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return
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}
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func (o *Buffer) enc_custom_bytes(p *Properties, base structPointer) error {
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i := structPointer_InterfaceRef(base, p.field, p.ctype)
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if i == nil {
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return ErrNil
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}
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custom := i.(Marshaler)
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data, err := custom.Marshal()
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if err != nil {
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return err
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}
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if data == nil {
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return ErrNil
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}
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o.buf = append(o.buf, p.tagcode...)
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o.EncodeRawBytes(data)
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return nil
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}
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func size_custom_bytes(p *Properties, base structPointer) (n int) {
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n += len(p.tagcode)
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i := structPointer_InterfaceRef(base, p.field, p.ctype)
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if i == nil {
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return 0
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}
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custom := i.(Marshaler)
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data, _ := custom.Marshal()
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n += sizeRawBytes(data)
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return
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}
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func (o *Buffer) enc_custom_ref_bytes(p *Properties, base structPointer) error {
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custom := structPointer_InterfaceAt(base, p.field, p.ctype).(Marshaler)
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data, err := custom.Marshal()
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if err != nil {
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return err
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}
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if data == nil {
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return ErrNil
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}
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o.buf = append(o.buf, p.tagcode...)
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o.EncodeRawBytes(data)
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return nil
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}
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func size_custom_ref_bytes(p *Properties, base structPointer) (n int) {
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n += len(p.tagcode)
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i := structPointer_InterfaceAt(base, p.field, p.ctype)
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if i == nil {
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return 0
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}
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custom := i.(Marshaler)
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data, _ := custom.Marshal()
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n += sizeRawBytes(data)
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return
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}
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func (o *Buffer) enc_custom_slice_bytes(p *Properties, base structPointer) error {
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inter := structPointer_InterfaceRef(base, p.field, p.ctype)
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if inter == nil {
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return ErrNil
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}
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slice := reflect.ValueOf(inter)
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l := slice.Len()
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for i := 0; i < l; i++ {
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v := slice.Index(i)
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custom := v.Interface().(Marshaler)
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data, err := custom.Marshal()
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if err != nil {
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return err
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}
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o.buf = append(o.buf, p.tagcode...)
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o.EncodeRawBytes(data)
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}
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return nil
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}
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func size_custom_slice_bytes(p *Properties, base structPointer) (n int) {
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inter := structPointer_InterfaceRef(base, p.field, p.ctype)
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if inter == nil {
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return 0
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}
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slice := reflect.ValueOf(inter)
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l := slice.Len()
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n += l * len(p.tagcode)
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for i := 0; i < l; i++ {
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v := slice.Index(i)
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custom := v.Interface().(Marshaler)
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data, _ := custom.Marshal()
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n += sizeRawBytes(data)
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}
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return
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}
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