func (p *plugin) checkNameSpace(message *generator.Descriptor) map[string]bool {
ccTypeName := generator.CamelCaseSlice(message.TypeName())
names := make(map[string]bool)
for _, field := range message.Field {
fieldname := generator.CamelCase(*field.Name)
if field.IsMessage() && gogoproto.IsEmbed(field) {
desc := p.ObjectNamed(field.GetTypeName())
moreNames := p.checkNameSpace(desc.(*generator.Descriptor))
for another := range moreNames {
if names[another] {
fmt.Fprintf(os.Stderr, "ERROR: duplicate embedded fieldname %v in type %v\n", fieldname, ccTypeName)
os.Exit(1)
}
names[another] = true
}
} else {
if names[fieldname] {
fmt.Fprintf(os.Stderr, "ERROR: duplicate embedded fieldname %v in type %v\n", fieldname, ccTypeName)
os.Exit(1)
}
names[fieldname] = true
}
}
return names
}
func (p *plugin) checkRepeated(message *generator.Descriptor) {
ccTypeName := generator.CamelCaseSlice(message.TypeName())
for _, field := range message.Field {
if !gogoproto.IsEmbed(field) {
continue
}
if field.IsBytes() {
fieldname := generator.CamelCase(*field.Name)
fmt.Fprintf(os.Stderr, "ERROR: found embedded bytes field %s in message %s\n", fieldname, ccTypeName)
os.Exit(1)
}
if !field.IsRepeated() {
continue
}
fieldname := generator.CamelCase(*field.Name)
fmt.Fprintf(os.Stderr, "ERROR: found repeated embedded field %s in message %s\n", fieldname, ccTypeName)
os.Exit(1)
}
}
func (p *plugin) checkOverwrite(message *generator.Descriptor, enablers map[string]gogoproto.EnableFunc) {
ccTypeName := generator.CamelCaseSlice(message.TypeName())
names := []string{}
for name := range enablers {
names = append(names, name)
}
for _, field := range message.Field {
if field.IsMessage() && gogoproto.IsEmbed(field) {
fieldname := generator.CamelCase(*field.Name)
desc := p.ObjectNamed(field.GetTypeName())
msg := desc.(*generator.Descriptor)
for errStr, enabled := range enablers {
if enabled(msg.File(), msg.DescriptorProto) {
fmt.Fprintf(os.Stderr, "WARNING: found non-%v %v with embedded %v %v\n", names, ccTypeName, errStr, fieldname)
}
}
p.checkOverwrite(msg, enablers)
}
}
}
func (p *plugin) hasLoop(field *descriptor.FieldDescriptorProto, visited []*generator.Descriptor, excludes []*generator.Descriptor) *generator.Descriptor {
if field.IsMessage() || p.IsGroup(field) || p.IsMap(field) {
var fieldMessage *generator.Descriptor
if p.IsMap(field) {
m := p.GoMapType(nil, field)
if !m.ValueField.IsMessage() {
return nil
}
fieldMessage = p.ObjectNamed(m.ValueField.GetTypeName()).(*generator.Descriptor)
} else {
fieldMessage = p.ObjectNamed(field.GetTypeName()).(*generator.Descriptor)
}
fieldTypeName := generator.CamelCaseSlice(fieldMessage.TypeName())
for _, message := range visited {
messageTypeName := generator.CamelCaseSlice(message.TypeName())
if fieldTypeName == messageTypeName {
for _, e := range excludes {
if fieldTypeName == generator.CamelCaseSlice(e.TypeName()) {
return nil
}
}
return fieldMessage
}
}
pkg := strings.Split(field.GetTypeName(), ".")[1]
for _, f := range fieldMessage.Field {
if strings.HasPrefix(f.GetTypeName(), "."+pkg+".") {
visited = append(visited, fieldMessage)
loopTo := p.hasLoop(f, visited, excludes)
if loopTo != nil {
return loopTo
}
}
}
}
return nil
}
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(`}`)
}
}
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(`}`)
}
}
