Esempio n. 1
0
func (p *size) Generate(file *generator.FileDescriptor) {
	p.PluginImports = generator.NewPluginImports(p.Generator)
	p.atleastOne = false
	p.localName = generator.FileName(file)
	p.typesPkg = p.NewImport("github.com/maditya/protobuf/types")
	protoPkg := p.NewImport("github.com/maditya/protobuf/proto")
	if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
		protoPkg = p.NewImport("github.com/golang/protobuf/proto")
	}
	for _, message := range file.Messages() {
		sizeName := ""
		if gogoproto.IsSizer(file.FileDescriptorProto, message.DescriptorProto) {
			sizeName = "Size"
		} else if gogoproto.IsProtoSizer(file.FileDescriptorProto, message.DescriptorProto) {
			sizeName = "ProtoSize"
		} else {
			continue
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}
		p.atleastOne = true
		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		p.P(`func (m *`, ccTypeName, `) `, sizeName, `() (n int) {`)
		p.In()
		p.P(`var l int`)
		p.P(`_ = l`)
		oneofs := make(map[string]struct{})
		for _, field := range message.Field {
			oneof := field.OneofIndex != nil
			if !oneof {
				proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
				p.generateField(proto3, file, message, field, sizeName)
			} else {
				fieldname := p.GetFieldName(message, field)
				if _, ok := oneofs[fieldname]; ok {
					continue
				} else {
					oneofs[fieldname] = struct{}{}
				}
				p.P(`if m.`, fieldname, ` != nil {`)
				p.In()
				p.P(`n+=m.`, fieldname, `.`, sizeName, `()`)
				p.Out()
				p.P(`}`)
			}
		}
		if message.DescriptorProto.HasExtension() {
			if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) {
				p.P(`n += `, protoPkg.Use(), `.SizeOfInternalExtension(m)`)
			} else {
				p.P(`if m.XXX_extensions != nil {`)
				p.In()
				p.P(`n+=len(m.XXX_extensions)`)
				p.Out()
				p.P(`}`)
			}
		}
		if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
			p.P(`if m.XXX_unrecognized != nil {`)
			p.In()
			p.P(`n+=len(m.XXX_unrecognized)`)
			p.Out()
			p.P(`}`)
		}
		p.P(`return n`)
		p.Out()
		p.P(`}`)
		p.P()

		//Generate Size methods for oneof fields
		m := proto.Clone(message.DescriptorProto).(*descriptor.DescriptorProto)
		for _, f := range m.Field {
			oneof := f.OneofIndex != nil
			if !oneof {
				continue
			}
			ccTypeName := p.OneOfTypeName(message, f)
			p.P(`func (m *`, ccTypeName, `) `, sizeName, `() (n int) {`)
			p.In()
			p.P(`var l int`)
			p.P(`_ = l`)
			vanity.TurnOffNullableForNativeTypesWithoutDefaultsOnly(f)
			p.generateField(false, file, message, f, sizeName)
			p.P(`return n`)
			p.Out()
			p.P(`}`)
		}
	}

	if !p.atleastOne {
		return
	}

	p.sizeVarint()
	p.sizeZigZag()

}
Esempio n. 2
0
func (p *gostring) Generate(file *generator.FileDescriptor) {
	proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
	p.PluginImports = generator.NewPluginImports(p.Generator)
	p.atleastOne = false

	p.localName = generator.FileName(file)

	fmtPkg := p.NewImport("fmt")
	stringsPkg := p.NewImport("strings")
	protoPkg := p.NewImport("github.com/maditya/protobuf/proto")
	if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
		protoPkg = p.NewImport("github.com/golang/protobuf/proto")
	}
	sortPkg := p.NewImport("sort")
	strconvPkg := p.NewImport("strconv")
	reflectPkg := p.NewImport("reflect")
	sortKeysPkg := p.NewImport("github.com/maditya/protobuf/sortkeys")

	for _, message := range file.Messages() {
		if !p.overwrite && !gogoproto.HasGoString(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}
		p.atleastOne = true
		packageName := file.PackageName()

		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		p.P(`func (this *`, ccTypeName, `) GoString() string {`)
		p.In()
		p.P(`if this == nil {`)
		p.In()
		p.P(`return "nil"`)
		p.Out()
		p.P(`}`)

		p.P(`s := make([]string, 0, `, strconv.Itoa(len(message.Field)+4), `)`)
		p.P(`s = append(s, "&`, packageName, ".", ccTypeName, `{")`)

		oneofs := make(map[string]struct{})
		for _, field := range message.Field {
			nullable := gogoproto.IsNullable(field)
			repeated := field.IsRepeated()
			fieldname := p.GetFieldName(message, field)
			oneof := field.OneofIndex != nil
			if oneof {
				if _, ok := oneofs[fieldname]; ok {
					continue
				} else {
					oneofs[fieldname] = struct{}{}
				}
				p.P(`if this.`, fieldname, ` != nil {`)
				p.In()
				p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\n")`)
				p.Out()
				p.P(`}`)
			} else if p.IsMap(field) {
				m := p.GoMapType(nil, field)
				mapgoTyp, keyField, keyAliasField := m.GoType, m.KeyField, m.KeyAliasField
				keysName := `keysFor` + fieldname
				keygoTyp, _ := p.GoType(nil, keyField)
				keygoTyp = strings.Replace(keygoTyp, "*", "", 1)
				keygoAliasTyp, _ := p.GoType(nil, keyAliasField)
				keygoAliasTyp = strings.Replace(keygoAliasTyp, "*", "", 1)
				keyCapTyp := generator.CamelCase(keygoTyp)
				p.P(keysName, ` := make([]`, keygoTyp, `, 0, len(this.`, fieldname, `))`)
				p.P(`for k, _ := range this.`, fieldname, ` {`)
				p.In()
				if keygoAliasTyp == keygoTyp {
					p.P(keysName, ` = append(`, keysName, `, k)`)
				} else {
					p.P(keysName, ` = append(`, keysName, `, `, keygoTyp, `(k))`)
				}
				p.Out()
				p.P(`}`)
				p.P(sortKeysPkg.Use(), `.`, keyCapTyp, `s(`, keysName, `)`)
				mapName := `mapStringFor` + fieldname
				p.P(mapName, ` := "`, mapgoTyp, `{"`)
				p.P(`for _, k := range `, keysName, ` {`)
				p.In()
				if keygoAliasTyp == keygoTyp {
					p.P(mapName, ` += fmt.Sprintf("%#v: %#v,", k, this.`, fieldname, `[k])`)
				} else {
					p.P(mapName, ` += fmt.Sprintf("%#v: %#v,", k, this.`, fieldname, `[`, keygoAliasTyp, `(k)])`)
				}
				p.Out()
				p.P(`}`)
				p.P(mapName, ` += "}"`)
				p.P(`if this.`, fieldname, ` != nil {`)
				p.In()
				p.P(`s = append(s, "`, fieldname, `: " + `, mapName, `+ ",\n")`)
				p.Out()
				p.P(`}`)
			} else if field.IsMessage() || p.IsGroup(field) {
				if nullable || repeated {
					p.P(`if this.`, fieldname, ` != nil {`)
					p.In()
				}
				if nullable || repeated {
					p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\n")`)
				} else {
					p.P(`s = append(s, "`, fieldname, `: " + `, stringsPkg.Use(), `.Replace(this.`, fieldname, `.GoString()`, ",`&`,``,1)", ` + ",\n")`)
				}
				if nullable || repeated {
					p.Out()
					p.P(`}`)
				}
			} else {
				if !proto3 && (nullable || repeated) {
					p.P(`if this.`, fieldname, ` != nil {`)
					p.In()
				}
				if field.IsEnum() {
					if nullable && !repeated && !proto3 {
						goTyp, _ := p.GoType(message, field)
						p.P(`s = append(s, "`, fieldname, `: " + valueToGoString`, p.localName, `(this.`, fieldname, `,"`, packageName, ".", generator.GoTypeToName(goTyp), `"`, `) + ",\n")`)
					} else {
						p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\n")`)
					}
				} else {
					if nullable && !repeated && !proto3 {
						goTyp, _ := p.GoType(message, field)
						p.P(`s = append(s, "`, fieldname, `: " + valueToGoString`, p.localName, `(this.`, fieldname, `,"`, generator.GoTypeToName(goTyp), `"`, `) + ",\n")`)
					} else {
						p.P(`s = append(s, "`, fieldname, `: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `) + ",\n")`)
					}
				}
				if !proto3 && (nullable || repeated) {
					p.Out()
					p.P(`}`)
				}
			}
		}
		if message.DescriptorProto.HasExtension() {
			if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) {
				p.P(`s = append(s, "XXX_InternalExtensions: " + extensionToGoString`, p.localName, `(this) + ",\n")`)
			} else {
				p.P(`if this.XXX_extensions != nil {`)
				p.In()
				p.P(`s = append(s, "XXX_extensions: " + `, fmtPkg.Use(), `.Sprintf("%#v", this.XXX_extensions) + ",\n")`)
				p.Out()
				p.P(`}`)
			}
		}
		if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
			p.P(`if this.XXX_unrecognized != nil {`)
			p.In()
			p.P(`s = append(s, "XXX_unrecognized:" + `, fmtPkg.Use(), `.Sprintf("%#v", this.XXX_unrecognized) + ",\n")`)
			p.Out()
			p.P(`}`)
		}

		p.P(`s = append(s, "}")`)
		//outStr += strings.Join([]string{" + `}`", `}`, `,", "`, ")"}, "")
		p.P(`return `, stringsPkg.Use(), `.Join(s, "")`)
		p.Out()
		p.P(`}`)

		//Generate GoString methods for oneof fields
		for _, field := range message.Field {
			oneof := field.OneofIndex != nil
			if !oneof {
				continue
			}
			ccTypeName := p.OneOfTypeName(message, field)
			p.P(`func (this *`, ccTypeName, `) GoString() string {`)
			p.In()
			p.P(`if this == nil {`)
			p.In()
			p.P(`return "nil"`)
			p.Out()
			p.P(`}`)
			outFlds := []string{}
			fieldname := p.GetOneOfFieldName(message, field)
			if field.IsMessage() || p.IsGroup(field) {
				tmp := strings.Join([]string{"`", fieldname, ":` + "}, "")
				tmp += strings.Join([]string{fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `)`}, "")
				outFlds = append(outFlds, tmp)
			} else {
				tmp := strings.Join([]string{"`", fieldname, ":` + "}, "")
				tmp += strings.Join([]string{fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, ")"}, "")
				outFlds = append(outFlds, tmp)
			}
			outStr := strings.Join([]string{"s := ", stringsPkg.Use(), ".Join([]string{`&", packageName, ".", ccTypeName, "{` + \n"}, "")
			outStr += strings.Join(outFlds, ",\n")
			outStr += strings.Join([]string{" + `}`", `}`, `,", "`, ")"}, "")
			p.P(outStr)
			p.P(`return s`)
			p.Out()
			p.P(`}`)
		}
	}

	if !p.atleastOne {
		return
	}

	p.P(`func valueToGoString`, p.localName, `(v interface{}, typ string) string {`)
	p.In()
	p.P(`rv := `, reflectPkg.Use(), `.ValueOf(v)`)
	p.P(`if rv.IsNil() {`)
	p.In()
	p.P(`return "nil"`)
	p.Out()
	p.P(`}`)
	p.P(`pv := `, reflectPkg.Use(), `.Indirect(rv).Interface()`)
	p.P(`return `, fmtPkg.Use(), `.Sprintf("func(v %v) *%v { return &v } ( %#v )", typ, typ, pv)`)
	p.Out()
	p.P(`}`)

	p.P(`func extensionToGoString`, p.localName, `(m `, protoPkg.Use(), `.Message) string {`)
	p.In()
	p.P(`e := `, protoPkg.Use(), `.GetUnsafeExtensionsMap(m)`)
	p.P(`if e == nil { return "nil" }`)
	p.P(`s := "proto.NewUnsafeXXX_InternalExtensions(map[int32]proto.Extension{"`)
	p.P(`keys := make([]int, 0, len(e))`)
	p.P(`for k := range e {`)
	p.In()
	p.P(`keys = append(keys, int(k))`)
	p.Out()
	p.P(`}`)
	p.P(sortPkg.Use(), `.Ints(keys)`)
	p.P(`ss := []string{}`)
	p.P(`for _, k := range keys {`)
	p.In()
	p.P(`ss = append(ss, `, strconvPkg.Use(), `.Itoa(k) + ": " + e[int32(k)].GoString())`)
	p.Out()
	p.P(`}`)
	p.P(`s+=`, stringsPkg.Use(), `.Join(ss, ",") + "})"`)
	p.P(`return s`)
	p.Out()
	p.P(`}`)

}
Esempio n. 3
0
func (p *marshalto) Generate(file *generator.FileDescriptor) {
	numGen := NewNumGen()
	p.PluginImports = generator.NewPluginImports(p.Generator)
	p.atleastOne = false
	p.localName = generator.FileName(file)

	p.mathPkg = p.NewImport("math")
	p.sortKeysPkg = p.NewImport("github.com/maditya/protobuf/sortkeys")
	p.protoPkg = p.NewImport("github.com/maditya/protobuf/proto")
	if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
		p.protoPkg = p.NewImport("github.com/golang/protobuf/proto")
	}
	p.unsafePkg = p.NewImport("unsafe")
	p.errorsPkg = p.NewImport("errors")
	p.typesPkg = p.NewImport("github.com/maditya/protobuf/types")

	for _, message := range file.Messages() {
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}
		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		if p.unsafe {
			if !gogoproto.IsUnsafeMarshaler(file.FileDescriptorProto, message.DescriptorProto) {
				continue
			}
			if gogoproto.IsMarshaler(file.FileDescriptorProto, message.DescriptorProto) {
				panic(fmt.Sprintf("unsafe_marshaler and marshalto enabled for %v", ccTypeName))
			}
		}
		if !p.unsafe {
			if !gogoproto.IsMarshaler(file.FileDescriptorProto, message.DescriptorProto) {
				continue
			}
			if gogoproto.IsUnsafeMarshaler(file.FileDescriptorProto, message.DescriptorProto) {
				panic(fmt.Sprintf("unsafe_marshaler and marshalto enabled for %v", ccTypeName))
			}
		}
		p.atleastOne = true

		p.P(`func (m *`, ccTypeName, `) Marshal() (data []byte, err error) {`)
		p.In()
		if gogoproto.IsProtoSizer(file.FileDescriptorProto, message.DescriptorProto) {
			p.P(`size := m.ProtoSize()`)
		} else {
			p.P(`size := m.Size()`)
		}
		p.P(`data = make([]byte, size)`)
		p.P(`n, err := m.MarshalTo(data)`)
		p.P(`if err != nil {`)
		p.In()
		p.P(`return nil, err`)
		p.Out()
		p.P(`}`)
		p.P(`return data[:n], nil`)
		p.Out()
		p.P(`}`)
		p.P(``)
		p.P(`func (m *`, ccTypeName, `) MarshalTo(data []byte) (int, error) {`)
		p.In()
		p.P(`var i int`)
		p.P(`_ = i`)
		p.P(`var l int`)
		p.P(`_ = l`)
		fields := orderFields(message.GetField())
		sort.Sort(fields)
		oneofs := make(map[string]struct{})
		for _, field := range message.Field {
			oneof := field.OneofIndex != nil
			if !oneof {
				proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
				p.generateField(proto3, numGen, file, message, field)
			} else {
				fieldname := p.GetFieldName(message, field)
				if _, ok := oneofs[fieldname]; !ok {
					oneofs[fieldname] = struct{}{}
					p.P(`if m.`, fieldname, ` != nil {`)
					p.In()
					p.P(`nn`, numGen.Next(), `, err := m.`, fieldname, `.MarshalTo(data[i:])`)
					p.P(`if err != nil {`)
					p.In()
					p.P(`return 0, err`)
					p.Out()
					p.P(`}`)
					p.P(`i+=nn`, numGen.Current())
					p.Out()
					p.P(`}`)
				}
			}
		}
		if message.DescriptorProto.HasExtension() {
			if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) {
				p.P(`n, err := `, p.protoPkg.Use(), `.EncodeInternalExtension(m, data[i:])`)
				p.P(`if err != nil {`)
				p.In()
				p.P(`return 0, err`)
				p.Out()
				p.P(`}`)
				p.P(`i+=n`)
			} else {
				p.P(`if m.XXX_extensions != nil {`)
				p.In()
				p.P(`i+=copy(data[i:], m.XXX_extensions)`)
				p.Out()
				p.P(`}`)
			}
		}
		if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
			p.P(`if m.XXX_unrecognized != nil {`)
			p.In()
			p.P(`i+=copy(data[i:], m.XXX_unrecognized)`)
			p.Out()
			p.P(`}`)
		}

		p.P(`return i, nil`)
		p.Out()
		p.P(`}`)
		p.P()

		//Generate MarshalTo methods for oneof fields
		m := proto.Clone(message.DescriptorProto).(*descriptor.DescriptorProto)
		for _, field := range m.Field {
			oneof := field.OneofIndex != nil
			if !oneof {
				continue
			}
			ccTypeName := p.OneOfTypeName(message, field)
			p.P(`func (m *`, ccTypeName, `) MarshalTo(data []byte) (int, error) {`)
			p.In()
			p.P(`i := 0`)
			vanity.TurnOffNullableForNativeTypesWithoutDefaultsOnly(field)
			p.generateField(false, numGen, file, message, field)
			p.P(`return i, nil`)
			p.Out()
			p.P(`}`)
		}
	}

	if p.atleastOne {
		p.P(`func encodeFixed64`, p.localName, `(data []byte, offset int, v uint64) int {`)
		p.In()
		p.P(`data[offset] = uint8(v)`)
		p.P(`data[offset+1] = uint8(v >> 8)`)
		p.P(`data[offset+2] = uint8(v >> 16)`)
		p.P(`data[offset+3] = uint8(v >> 24)`)
		p.P(`data[offset+4] = uint8(v >> 32)`)
		p.P(`data[offset+5] = uint8(v >> 40)`)
		p.P(`data[offset+6] = uint8(v >> 48)`)
		p.P(`data[offset+7] = uint8(v >> 56)`)
		p.P(`return offset+8`)
		p.Out()
		p.P(`}`)

		p.P(`func encodeFixed32`, p.localName, `(data []byte, offset int, v uint32) int {`)
		p.In()
		p.P(`data[offset] = uint8(v)`)
		p.P(`data[offset+1] = uint8(v >> 8)`)
		p.P(`data[offset+2] = uint8(v >> 16)`)
		p.P(`data[offset+3] = uint8(v >> 24)`)
		p.P(`return offset+4`)
		p.Out()
		p.P(`}`)

		p.P(`func encodeVarint`, p.localName, `(data []byte, offset int, v uint64) int {`)
		p.In()
		p.P(`for v >= 1<<7 {`)
		p.In()
		p.P(`data[offset] = uint8(v&0x7f|0x80)`)
		p.P(`v >>= 7`)
		p.P(`offset++`)
		p.Out()
		p.P(`}`)
		p.P(`data[offset] = uint8(v)`)
		p.P(`return offset+1`)
		p.Out()
		p.P(`}`)
	}

}
Esempio n. 4
0
func (p *plugin) generateMessage(file *generator.FileDescriptor, message *generator.Descriptor) {
	ccTypeName := generator.CamelCaseSlice(message.TypeName())
	p.P(`func (this *`, ccTypeName, `) Compare(that interface{}) int {`)
	p.In()
	p.generateMsgNullAndTypeCheck(ccTypeName)
	oneofs := make(map[string]struct{})

	for _, field := range message.Field {
		oneof := field.OneofIndex != nil
		if oneof {
			fieldname := p.GetFieldName(message, field)
			if _, ok := oneofs[fieldname]; ok {
				continue
			} else {
				oneofs[fieldname] = struct{}{}
			}
			p.P(`if that1.`, fieldname, ` == nil {`)
			p.In()
			p.P(`if this.`, fieldname, ` != nil {`)
			p.In()
			p.P(`return 1`)
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`} else if this.`, fieldname, ` == nil {`)
			p.In()
			p.P(`return -1`)
			p.Out()
			p.P(`} else if c := this.`, fieldname, `.Compare(that1.`, fieldname, `); c != 0 {`)
			p.In()
			p.P(`return c`)
			p.Out()
			p.P(`}`)
		} else {
			p.generateField(file, message, field)
		}
	}
	if message.DescriptorProto.HasExtension() {
		if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) {
			p.P(`thismap := `, p.protoPkg.Use(), `.GetUnsafeExtensionsMap(this)`)
			p.P(`thatmap := `, p.protoPkg.Use(), `.GetUnsafeExtensionsMap(that1)`)
			p.P(`extkeys := make([]int32, 0, len(thismap)+len(thatmap))`)
			p.P(`for k, _ := range thismap {`)
			p.In()
			p.P(`extkeys = append(extkeys, k)`)
			p.Out()
			p.P(`}`)
			p.P(`for k, _ := range thatmap {`)
			p.In()
			p.P(`if _, ok := thismap[k]; !ok {`)
			p.In()
			p.P(`extkeys = append(extkeys, k)`)
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`}`)
			p.P(p.sortkeysPkg.Use(), `.Int32s(extkeys)`)
			p.P(`for _, k := range extkeys {`)
			p.In()
			p.P(`if v, ok := thismap[k]; ok {`)
			p.In()
			p.P(`if v2, ok := thatmap[k]; ok {`)
			p.In()
			p.P(`if c := v.Compare(&v2); c != 0 {`)
			p.In()
			p.P(`return c`)
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`} else  {`)
			p.In()
			p.P(`return 1`)
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`} else {`)
			p.In()
			p.P(`return -1`)
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`}`)
		} else {
			fieldname := "XXX_extensions"
			p.P(`if c := `, p.bytesPkg.Use(), `.Compare(this.`, fieldname, `, that1.`, fieldname, `); c != 0 {`)
			p.In()
			p.P(`return c`)
			p.Out()
			p.P(`}`)
		}
	}
	if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
		fieldname := "XXX_unrecognized"
		p.P(`if c := `, p.bytesPkg.Use(), `.Compare(this.`, fieldname, `, that1.`, fieldname, `); c != 0 {`)
		p.In()
		p.P(`return c`)
		p.Out()
		p.P(`}`)
	}
	p.P(`return 0`)
	p.Out()
	p.P(`}`)

	//Generate Compare methods for oneof fields
	m := proto.Clone(message.DescriptorProto).(*descriptor.DescriptorProto)
	for _, field := range m.Field {
		oneof := field.OneofIndex != nil
		if !oneof {
			continue
		}
		ccTypeName := p.OneOfTypeName(message, field)
		p.P(`func (this *`, ccTypeName, `) Compare(that interface{}) int {`)
		p.In()

		p.generateMsgNullAndTypeCheck(ccTypeName)
		vanity.TurnOffNullableForNativeTypesWithoutDefaultsOnly(field)
		p.generateField(file, message, field)

		p.P(`return 0`)
		p.Out()
		p.P(`}`)
	}
}
Esempio n. 5
0
func (p *plugin) generateMessage(file *generator.FileDescriptor, message *generator.Descriptor, verbose bool) {
	ccTypeName := generator.CamelCaseSlice(message.TypeName())
	if verbose {
		p.P(`func (this *`, ccTypeName, `) VerboseEqual(that interface{}) error {`)
	} else {
		p.P(`func (this *`, ccTypeName, `) Equal(that interface{}) bool {`)
	}
	p.In()
	p.generateMsgNullAndTypeCheck(ccTypeName, verbose)
	oneofs := make(map[string]struct{})

	for _, field := range message.Field {
		oneof := field.OneofIndex != nil
		if oneof {
			fieldname := p.GetFieldName(message, field)
			if _, ok := oneofs[fieldname]; ok {
				continue
			} else {
				oneofs[fieldname] = struct{}{}
			}
			p.P(`if that1.`, fieldname, ` == nil {`)
			p.In()
			p.P(`if this.`, fieldname, ` != nil {`)
			p.In()
			if verbose {
				p.P(`return `, p.fmtPkg.Use(), `.Errorf("this.`, fieldname, ` != nil && that1.`, fieldname, ` == nil")`)
			} else {
				p.P(`return false`)
			}
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`} else if this.`, fieldname, ` == nil {`)
			p.In()
			if verbose {
				p.P(`return `, p.fmtPkg.Use(), `.Errorf("this.`, fieldname, ` == nil && that1.`, fieldname, ` != nil")`)
			} else {
				p.P(`return false`)
			}
			p.Out()
			if verbose {
				p.P(`} else if err := this.`, fieldname, `.VerboseEqual(that1.`, fieldname, `); err != nil {`)
			} else {
				p.P(`} else if !this.`, fieldname, `.Equal(that1.`, fieldname, `) {`)
			}
			p.In()
			if verbose {
				p.P(`return err`)
			} else {
				p.P(`return false`)
			}
			p.Out()
			p.P(`}`)
		} else {
			p.generateField(file, message, field, verbose)
		}
	}
	if message.DescriptorProto.HasExtension() {
		if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) {
			fieldname := "XXX_InternalExtensions"
			p.P(`thismap := `, p.protoPkg.Use(), `.GetUnsafeExtensionsMap(this)`)
			p.P(`thatmap := `, p.protoPkg.Use(), `.GetUnsafeExtensionsMap(that1)`)
			p.P(`for k, v := range thismap {`)
			p.In()
			p.P(`if v2, ok := thatmap[k]; ok {`)
			p.In()
			p.P(`if !v.Equal(&v2) {`)
			p.In()
			if verbose {
				p.P(`return `, p.fmtPkg.Use(), `.Errorf("`, fieldname, ` this[%v](%v) Not Equal that[%v](%v)", k, thismap[k], k, thatmap[k])`)
			} else {
				p.P(`return false`)
			}
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`} else  {`)
			p.In()
			if verbose {
				p.P(`return `, p.fmtPkg.Use(), `.Errorf("`, fieldname, `[%v] Not In that", k)`)
			} else {
				p.P(`return false`)
			}
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`}`)

			p.P(`for k, _ := range thatmap {`)
			p.In()
			p.P(`if _, ok := thismap[k]; !ok {`)
			p.In()
			if verbose {
				p.P(`return `, p.fmtPkg.Use(), `.Errorf("`, fieldname, `[%v] Not In this", k)`)
			} else {
				p.P(`return false`)
			}
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`}`)
		} else {
			fieldname := "XXX_extensions"
			p.P(`if !`, p.bytesPkg.Use(), `.Equal(this.`, fieldname, `, that1.`, fieldname, `) {`)
			p.In()
			if verbose {
				p.P(`return `, p.fmtPkg.Use(), `.Errorf("`, fieldname, ` this(%v) Not Equal that(%v)", this.`, fieldname, `, that1.`, fieldname, `)`)
			} else {
				p.P(`return false`)
			}
			p.Out()
			p.P(`}`)
		}
	}
	if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
		fieldname := "XXX_unrecognized"
		p.P(`if !`, p.bytesPkg.Use(), `.Equal(this.`, fieldname, `, that1.`, fieldname, `) {`)
		p.In()
		if verbose {
			p.P(`return `, p.fmtPkg.Use(), `.Errorf("`, fieldname, ` this(%v) Not Equal that(%v)", this.`, fieldname, `, that1.`, fieldname, `)`)
		} else {
			p.P(`return false`)
		}
		p.Out()
		p.P(`}`)
	}
	if verbose {
		p.P(`return nil`)
	} else {
		p.P(`return true`)
	}
	p.Out()
	p.P(`}`)

	//Generate Equal methods for oneof fields
	m := proto.Clone(message.DescriptorProto).(*descriptor.DescriptorProto)
	for _, field := range m.Field {
		oneof := field.OneofIndex != nil
		if !oneof {
			continue
		}
		ccTypeName := p.OneOfTypeName(message, field)
		if verbose {
			p.P(`func (this *`, ccTypeName, `) VerboseEqual(that interface{}) error {`)
		} else {
			p.P(`func (this *`, ccTypeName, `) Equal(that interface{}) bool {`)
		}
		p.In()

		p.generateMsgNullAndTypeCheck(ccTypeName, verbose)
		vanity.TurnOffNullableForNativeTypesWithoutDefaultsOnly(field)
		p.generateField(file, message, field, verbose)

		if verbose {
			p.P(`return nil`)
		} else {
			p.P(`return true`)
		}
		p.Out()
		p.P(`}`)
	}
}
Esempio n. 6
0
func (p *stringer) Generate(file *generator.FileDescriptor) {
	proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
	p.PluginImports = generator.NewPluginImports(p.Generator)
	p.atleastOne = false

	p.localName = generator.FileName(file)

	fmtPkg := p.NewImport("fmt")
	stringsPkg := p.NewImport("strings")
	reflectPkg := p.NewImport("reflect")
	sortKeysPkg := p.NewImport("github.com/maditya/protobuf/sortkeys")
	protoPkg := p.NewImport("github.com/maditya/protobuf/proto")
	for _, message := range file.Messages() {
		if !gogoproto.IsStringer(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}
		if gogoproto.EnabledGoStringer(file.FileDescriptorProto, message.DescriptorProto) {
			panic("old string method needs to be disabled, please use gogoproto.goproto_stringer or gogoproto.goproto_stringer_all and set it to false")
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}
		p.atleastOne = true
		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		p.P(`func (this *`, ccTypeName, `) String() string {`)
		p.In()
		p.P(`if this == nil {`)
		p.In()
		p.P(`return "nil"`)
		p.Out()
		p.P(`}`)
		for _, field := range message.Field {
			if !p.IsMap(field) {
				continue
			}
			fieldname := p.GetFieldName(message, field)

			m := p.GoMapType(nil, field)
			mapgoTyp, keyField, keyAliasField := m.GoType, m.KeyField, m.KeyAliasField
			keysName := `keysFor` + fieldname
			keygoTyp, _ := p.GoType(nil, keyField)
			keygoTyp = strings.Replace(keygoTyp, "*", "", 1)
			keygoAliasTyp, _ := p.GoType(nil, keyAliasField)
			keygoAliasTyp = strings.Replace(keygoAliasTyp, "*", "", 1)
			keyCapTyp := generator.CamelCase(keygoTyp)
			p.P(keysName, ` := make([]`, keygoTyp, `, 0, len(this.`, fieldname, `))`)
			p.P(`for k, _ := range this.`, fieldname, ` {`)
			p.In()
			if keygoAliasTyp == keygoTyp {
				p.P(keysName, ` = append(`, keysName, `, k)`)
			} else {
				p.P(keysName, ` = append(`, keysName, `, `, keygoTyp, `(k))`)
			}
			p.Out()
			p.P(`}`)
			p.P(sortKeysPkg.Use(), `.`, keyCapTyp, `s(`, keysName, `)`)
			mapName := `mapStringFor` + fieldname
			p.P(mapName, ` := "`, mapgoTyp, `{"`)
			p.P(`for _, k := range `, keysName, ` {`)
			p.In()
			if keygoAliasTyp == keygoTyp {
				p.P(mapName, ` += fmt.Sprintf("%v: %v,", k, this.`, fieldname, `[k])`)
			} else {
				p.P(mapName, ` += fmt.Sprintf("%v: %v,", k, this.`, fieldname, `[`, keygoAliasTyp, `(k)])`)
			}
			p.Out()
			p.P(`}`)
			p.P(mapName, ` += "}"`)
		}
		p.P("s := ", stringsPkg.Use(), ".Join([]string{`&", ccTypeName, "{`,")
		oneofs := make(map[string]struct{})
		for _, field := range message.Field {
			nullable := gogoproto.IsNullable(field)
			repeated := field.IsRepeated()
			fieldname := p.GetFieldName(message, field)
			oneof := field.OneofIndex != nil
			if oneof {
				if _, ok := oneofs[fieldname]; ok {
					continue
				} else {
					oneofs[fieldname] = struct{}{}
				}
				p.P("`", fieldname, ":`", ` + `, fmtPkg.Use(), `.Sprintf("%v", this.`, fieldname, ") + `,", "`,")
			} else if p.IsMap(field) {
				mapName := `mapStringFor` + fieldname
				p.P("`", fieldname, ":`", ` + `, mapName, " + `,", "`,")
			} else if field.IsMessage() || p.IsGroup(field) {
				desc := p.ObjectNamed(field.GetTypeName())
				msgname := p.TypeName(desc)
				msgnames := strings.Split(msgname, ".")
				typeName := msgnames[len(msgnames)-1]
				if nullable {
					p.P("`", fieldname, ":`", ` + `, stringsPkg.Use(), `.Replace(`, fmtPkg.Use(), `.Sprintf("%v", this.`, fieldname, `), "`, typeName, `","`, msgname, `"`, ", 1) + `,", "`,")
				} else if repeated {
					p.P("`", fieldname, ":`", ` + `, stringsPkg.Use(), `.Replace(`, stringsPkg.Use(), `.Replace(`, fmtPkg.Use(), `.Sprintf("%v", this.`, fieldname, `), "`, typeName, `","`, msgname, `"`, ", 1),`&`,``,1) + `,", "`,")
				} else {
					p.P("`", fieldname, ":`", ` + `, stringsPkg.Use(), `.Replace(`, stringsPkg.Use(), `.Replace(this.`, fieldname, `.String(), "`, typeName, `","`, msgname, `"`, ", 1),`&`,``,1) + `,", "`,")
				}
			} else {
				if nullable && !repeated && !proto3 {
					p.P("`", fieldname, ":`", ` + valueToString`, p.localName, `(this.`, fieldname, ") + `,", "`,")
				} else {
					p.P("`", fieldname, ":`", ` + `, fmtPkg.Use(), `.Sprintf("%v", this.`, fieldname, ") + `,", "`,")
				}
			}
		}
		if message.DescriptorProto.HasExtension() {
			if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) {
				p.P("`XXX_InternalExtensions:` + ", protoPkg.Use(), ".StringFromInternalExtension(this) + `,`,")
			} else {
				p.P("`XXX_extensions:` + ", protoPkg.Use(), ".StringFromExtensionsBytes(this.XXX_extensions) + `,`,")
			}
		}
		if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
			p.P("`XXX_unrecognized:` + ", fmtPkg.Use(), `.Sprintf("%v", this.XXX_unrecognized) + `, "`,`,")
		}
		p.P("`}`,")
		p.P(`}`, `,""`, ")")
		p.P(`return s`)
		p.Out()
		p.P(`}`)

		//Generate String methods for oneof fields
		for _, field := range message.Field {
			oneof := field.OneofIndex != nil
			if !oneof {
				continue
			}
			ccTypeName := p.OneOfTypeName(message, field)
			p.P(`func (this *`, ccTypeName, `) String() string {`)
			p.In()
			p.P(`if this == nil {`)
			p.In()
			p.P(`return "nil"`)
			p.Out()
			p.P(`}`)
			p.P("s := ", stringsPkg.Use(), ".Join([]string{`&", ccTypeName, "{`,")
			fieldname := p.GetOneOfFieldName(message, field)
			if field.IsMessage() || p.IsGroup(field) {
				desc := p.ObjectNamed(field.GetTypeName())
				msgname := p.TypeName(desc)
				msgnames := strings.Split(msgname, ".")
				typeName := msgnames[len(msgnames)-1]
				p.P("`", fieldname, ":`", ` + `, stringsPkg.Use(), `.Replace(`, fmtPkg.Use(), `.Sprintf("%v", this.`, fieldname, `), "`, typeName, `","`, msgname, `"`, ", 1) + `,", "`,")
			} else {
				p.P("`", fieldname, ":`", ` + `, fmtPkg.Use(), `.Sprintf("%v", this.`, fieldname, ") + `,", "`,")
			}
			p.P("`}`,")
			p.P(`}`, `,""`, ")")
			p.P(`return s`)
			p.Out()
			p.P(`}`)
		}
	}

	if !p.atleastOne {
		return
	}

	p.P(`func valueToString`, p.localName, `(v interface{}) string {`)
	p.In()
	p.P(`rv := `, reflectPkg.Use(), `.ValueOf(v)`)
	p.P(`if rv.IsNil() {`)
	p.In()
	p.P(`return "nil"`)
	p.Out()
	p.P(`}`)
	p.P(`pv := `, reflectPkg.Use(), `.Indirect(rv).Interface()`)
	p.P(`return `, fmtPkg.Use(), `.Sprintf("*%v", pv)`)
	p.Out()
	p.P(`}`)

}