func (p *plugin) Generate(file *generator.FileDescriptor) {
p.atleastOne = false
p.PluginImports = generator.NewPluginImports(p.Generator)
p.varGen = NewVarGen()
proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
p.typesPkg = p.NewImport("github.com/maditya/protobuf/types")
p.localName = generator.FileName(file)
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() {
if !gogoproto.HasPopulate(file.FileDescriptorProto, message.DescriptorProto) {
continue
}
if message.DescriptorProto.GetOptions().GetMapEntry() {
continue
}
p.atleastOne = true
ccTypeName := generator.CamelCaseSlice(message.TypeName())
loopLevels := make([]int, len(message.Field))
maxLoopLevel := 0
for i, field := range message.Field {
loopLevels[i] = p.loops(field, message)
if loopLevels[i] > maxLoopLevel {
maxLoopLevel = loopLevels[i]
}
}
ranTotal := 0
for i := range loopLevels {
ranTotal += int(math.Pow10(maxLoopLevel - loopLevels[i]))
}
p.P(`func NewPopulated`, ccTypeName, `(r randy`, p.localName, `, easy bool) *`, ccTypeName, ` {`)
p.In()
p.P(`this := &`, ccTypeName, `{}`)
if gogoproto.IsUnion(message.File(), message.DescriptorProto) && len(message.Field) > 0 {
p.P(`fieldNum := r.Intn(`, fmt.Sprintf("%d", ranTotal), `)`)
p.P(`switch fieldNum {`)
k := 0
for i, field := range message.Field {
is := []string{}
ran := int(math.Pow10(maxLoopLevel - loopLevels[i]))
for j := 0; j < ran; j++ {
is = append(is, fmt.Sprintf("%d", j+k))
}
k += ran
p.P(`case `, strings.Join(is, ","), `:`)
p.In()
p.GenerateField(file, message, field)
p.Out()
}
p.P(`}`)
} else {
var maxFieldNumber int32
oneofs := make(map[string]struct{})
for fieldIndex, field := range message.Field {
if field.GetNumber() > maxFieldNumber {
maxFieldNumber = field.GetNumber()
}
oneof := field.OneofIndex != nil
if !oneof {
if field.IsRequired() || (!gogoproto.IsNullable(field) && !field.IsRepeated()) || (proto3 && !field.IsMessage()) {
p.GenerateField(file, message, field)
} else {
if loopLevels[fieldIndex] > 0 {
p.P(`if r.Intn(10) == 0 {`)
} else {
p.P(`if r.Intn(10) != 0 {`)
}
p.In()
p.GenerateField(file, message, field)
p.Out()
p.P(`}`)
}
} else {
fieldname := p.GetFieldName(message, field)
if _, ok := oneofs[fieldname]; ok {
continue
} else {
oneofs[fieldname] = struct{}{}
}
fieldNumbers := []int32{}
for _, f := range message.Field {
fname := p.GetFieldName(message, f)
if fname == fieldname {
fieldNumbers = append(fieldNumbers, f.GetNumber())
}
}
p.P(`oneofNumber_`, fieldname, ` := `, fmt.Sprintf("%#v", fieldNumbers), `[r.Intn(`, strconv.Itoa(len(fieldNumbers)), `)]`)
p.P(`switch oneofNumber_`, fieldname, ` {`)
for _, f := range message.Field {
fname := p.GetFieldName(message, f)
if fname != fieldname {
continue
}
p.P(`case `, strconv.Itoa(int(f.GetNumber())), `:`)
p.In()
ccTypeName := p.OneOfTypeName(message, f)
p.P(`this.`, fname, ` = NewPopulated`, ccTypeName, `(r, easy)`)
p.Out()
}
p.P(`}`)
}
}
if message.DescriptorProto.HasExtension() {
p.P(`if !easy && r.Intn(10) != 0 {`)
p.In()
p.P(`l := r.Intn(5)`)
p.P(`for i := 0; i < l; i++ {`)
p.In()
if len(message.DescriptorProto.GetExtensionRange()) > 1 {
p.P(`eIndex := r.Intn(`, strconv.Itoa(len(message.DescriptorProto.GetExtensionRange())), `)`)
p.P(`fieldNumber := 0`)
p.P(`switch eIndex {`)
for i, e := range message.DescriptorProto.GetExtensionRange() {
p.P(`case `, strconv.Itoa(i), `:`)
p.In()
p.P(`fieldNumber = r.Intn(`, strconv.Itoa(int(e.GetEnd()-e.GetStart())), `) + `, strconv.Itoa(int(e.GetStart())))
p.Out()
if e.GetEnd() > maxFieldNumber {
maxFieldNumber = e.GetEnd()
}
}
p.P(`}`)
} else {
e := message.DescriptorProto.GetExtensionRange()[0]
p.P(`fieldNumber := r.Intn(`, strconv.Itoa(int(e.GetEnd()-e.GetStart())), `) + `, strconv.Itoa(int(e.GetStart())))
if e.GetEnd() > maxFieldNumber {
maxFieldNumber = e.GetEnd()
}
}
p.P(`wire := r.Intn(4)`)
p.P(`if wire == 3 { wire = 5 }`)
p.P(`data := randField`, p.localName, `(nil, r, fieldNumber, wire)`)
p.P(protoPkg.Use(), `.SetRawExtension(this, int32(fieldNumber), data)`)
p.Out()
p.P(`}`)
p.Out()
p.P(`}`)
}
if maxFieldNumber < (1 << 10) {
p.P(`if !easy && r.Intn(10) != 0 {`)
p.In()
if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
p.P(`this.XXX_unrecognized = randUnrecognized`, p.localName, `(r, `, strconv.Itoa(int(maxFieldNumber+1)), `)`)
}
p.Out()
p.P(`}`)
}
}
p.P(`return this`)
p.Out()
p.P(`}`)
p.P(``)
//Generate NewPopulated functions 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 NewPopulated`, ccTypeName, `(r randy`, p.localName, `, easy bool) *`, ccTypeName, ` {`)
p.In()
p.P(`this := &`, ccTypeName, `{}`)
vanity.TurnOffNullableForNativeTypesWithoutDefaultsOnly(f)
p.GenerateField(file, message, f)
p.P(`return this`)
p.Out()
p.P(`}`)
}
}
if !p.atleastOne {
return
}
p.P(`type randy`, p.localName, ` interface {`)
p.In()
p.P(`Float32() float32`)
p.P(`Float64() float64`)
p.P(`Int63() int64`)
p.P(`Int31() int32`)
p.P(`Uint32() uint32`)
p.P(`Intn(n int) int`)
p.Out()
p.P(`}`)
p.P(`func randUTF8Rune`, p.localName, `(r randy`, p.localName, `) rune {`)
p.In()
p.P(`ru := r.Intn(62)`)
p.P(`if ru < 10 {`)
p.In()
p.P(`return rune(ru+48)`)
p.Out()
p.P(`} else if ru < 36 {`)
p.In()
p.P(`return rune(ru+55)`)
p.Out()
p.P(`}`)
p.P(`return rune(ru+61)`)
p.Out()
p.P(`}`)
p.P(`func randString`, p.localName, `(r randy`, p.localName, `) string {`)
p.In()
p.P(p.varGen.Next(), ` := r.Intn(100)`)
p.P(`tmps := make([]rune, `, p.varGen.Current(), `)`)
p.P(`for i := 0; i < `, p.varGen.Current(), `; i++ {`)
p.In()
p.P(`tmps[i] = randUTF8Rune`, p.localName, `(r)`)
p.Out()
p.P(`}`)
p.P(`return string(tmps)`)
p.Out()
p.P(`}`)
p.P(`func randUnrecognized`, p.localName, `(r randy`, p.localName, `, maxFieldNumber int) (data []byte) {`)
p.In()
p.P(`l := r.Intn(5)`)
p.P(`for i := 0; i < l; i++ {`)
p.In()
p.P(`wire := r.Intn(4)`)
p.P(`if wire == 3 { wire = 5 }`)
p.P(`fieldNumber := maxFieldNumber + r.Intn(100)`)
p.P(`data = randField`, p.localName, `(data, r, fieldNumber, wire)`)
p.Out()
p.P(`}`)
p.P(`return data`)
p.Out()
p.P(`}`)
p.P(`func randField`, p.localName, `(data []byte, r randy`, p.localName, `, fieldNumber int, wire int) []byte {`)
p.In()
p.P(`key := uint32(fieldNumber)<<3 | uint32(wire)`)
p.P(`switch wire {`)
p.P(`case 0:`)
p.In()
p.P(`data = encodeVarintPopulate`, p.localName, `(data, uint64(key))`)
p.P(p.varGen.Next(), ` := r.Int63()`)
p.P(`if r.Intn(2) == 0 {`)
p.In()
p.P(p.varGen.Current(), ` *= -1`)
p.Out()
p.P(`}`)
p.P(`data = encodeVarintPopulate`, p.localName, `(data, uint64(`, p.varGen.Current(), `))`)
p.Out()
p.P(`case 1:`)
p.In()
p.P(`data = encodeVarintPopulate`, p.localName, `(data, uint64(key))`)
p.P(`data = append(data, byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)))`)
p.Out()
p.P(`case 2:`)
p.In()
p.P(`data = encodeVarintPopulate`, p.localName, `(data, uint64(key))`)
p.P(`ll := r.Intn(100)`)
p.P(`data = encodeVarintPopulate`, p.localName, `(data, uint64(ll))`)
p.P(`for j := 0; j < ll; j++ {`)
p.In()
p.P(`data = append(data, byte(r.Intn(256)))`)
p.Out()
p.P(`}`)
p.Out()
p.P(`default:`)
p.In()
p.P(`data = encodeVarintPopulate`, p.localName, `(data, uint64(key))`)
p.P(`data = append(data, byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)), byte(r.Intn(256)))`)
p.Out()
p.P(`}`)
p.P(`return data`)
p.Out()
p.P(`}`)
p.P(`func encodeVarintPopulate`, p.localName, `(data []byte, v uint64) []byte {`)
p.In()
p.P(`for v >= 1<<7 {`)
p.In()
p.P(`data = append(data, uint8(uint64(v)&0x7f|0x80))`)
p.P(`v >>= 7`)
p.Out()
p.P(`}`)
p.P(`data = append(data, uint8(v))`)
p.P(`return data`)
p.Out()
p.P(`}`)
}
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(`}`)
}
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()
}
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(`}`)
}
}
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(`}`)
}
}
func (p *unmarshal) Generate(file *generator.FileDescriptor) {
proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
p.PluginImports = generator.NewPluginImports(p.Generator)
p.atleastOne = false
p.localName = generator.FileName(file)
if p.unsafe {
p.localName += "Unsafe"
}
p.ioPkg = p.NewImport("io")
p.mathPkg = p.NewImport("math")
p.unsafePkg = p.NewImport("unsafe")
p.typesPkg = p.NewImport("github.com/maditya/protobuf/types")
fmtPkg := p.NewImport("fmt")
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() {
ccTypeName := generator.CamelCaseSlice(message.TypeName())
if p.unsafe {
if !gogoproto.IsUnsafeUnmarshaler(file.FileDescriptorProto, message.DescriptorProto) {
continue
}
if gogoproto.IsUnmarshaler(file.FileDescriptorProto, message.DescriptorProto) {
panic(fmt.Sprintf("unsafe_unmarshaler and unmarshaler enabled for %v", ccTypeName))
}
}
if !p.unsafe {
if !gogoproto.IsUnmarshaler(file.FileDescriptorProto, message.DescriptorProto) {
continue
}
if gogoproto.IsUnsafeUnmarshaler(file.FileDescriptorProto, message.DescriptorProto) {
panic(fmt.Sprintf("unsafe_unmarshaler and unmarshaler enabled for %v", ccTypeName))
}
}
if message.DescriptorProto.GetOptions().GetMapEntry() {
continue
}
p.atleastOne = true
// build a map required field_id -> bitmask offset
rfMap := make(map[int32]uint)
rfNextId := uint(0)
for _, field := range message.Field {
if field.IsRequired() {
rfMap[field.GetNumber()] = rfNextId
rfNextId++
}
}
rfCount := len(rfMap)
p.P(`func (m *`, ccTypeName, `) Unmarshal(data []byte) error {`)
p.In()
if rfCount > 0 {
p.P(`var hasFields [`, strconv.Itoa(1+(rfCount-1)/64), `]uint64`)
}
p.P(`l := len(data)`)
p.P(`iNdEx := 0`)
p.P(`for iNdEx < l {`)
p.In()
p.P(`preIndex := iNdEx`)
p.P(`var wire uint64`)
p.decodeVarint("wire", "uint64")
p.P(`fieldNum := int32(wire >> 3)`)
if len(message.Field) > 0 || !message.IsGroup() {
p.P(`wireType := int(wire & 0x7)`)
}
if !message.IsGroup() {
p.P(`if wireType == `, strconv.Itoa(proto.WireEndGroup), ` {`)
p.In()
p.P(`return `, fmtPkg.Use(), `.Errorf("proto: `+message.GetName()+`: wiretype end group for non-group")`)
p.Out()
p.P(`}`)
}
p.P(`if fieldNum <= 0 {`)
p.In()
p.P(`return `, fmtPkg.Use(), `.Errorf("proto: `+message.GetName()+`: illegal tag %d (wire type %d)", fieldNum, wire)`)
p.Out()
p.P(`}`)
p.P(`switch fieldNum {`)
p.In()
for _, field := range message.Field {
fieldname := p.GetFieldName(message, field)
errFieldname := fieldname
if field.OneofIndex != nil {
errFieldname = p.GetOneOfFieldName(message, field)
}
packed := field.IsPacked() || (proto3 && field.IsRepeated() && generator.IsScalar(field))
p.P(`case `, strconv.Itoa(int(field.GetNumber())), `:`)
p.In()
wireType := field.WireType()
if packed {
p.P(`if wireType == `, strconv.Itoa(proto.WireBytes), `{`)
p.In()
p.P(`var packedLen int`)
p.decodeVarint("packedLen", "int")
p.P(`if packedLen < 0 {`)
p.In()
p.P(`return ErrInvalidLength` + p.localName)
p.Out()
p.P(`}`)
p.P(`postIndex := iNdEx + packedLen`)
p.P(`if postIndex > l {`)
p.In()
p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
p.P(`for iNdEx < postIndex {`)
p.In()
p.field(file, message, field, fieldname, false)
p.Out()
p.P(`}`)
p.Out()
p.P(`} else if wireType == `, strconv.Itoa(wireType), `{`)
p.In()
p.field(file, message, field, fieldname, false)
p.Out()
p.P(`} else {`)
p.In()
p.P(`return ` + fmtPkg.Use() + `.Errorf("proto: wrong wireType = %d for field ` + errFieldname + `", wireType)`)
p.Out()
p.P(`}`)
} else {
p.P(`if wireType != `, strconv.Itoa(wireType), `{`)
p.In()
p.P(`return ` + fmtPkg.Use() + `.Errorf("proto: wrong wireType = %d for field ` + errFieldname + `", wireType)`)
p.Out()
p.P(`}`)
p.field(file, message, field, fieldname, proto3)
}
if field.IsRequired() {
fieldBit, ok := rfMap[field.GetNumber()]
if !ok {
panic("field is required, but no bit registered")
}
p.P(`hasFields[`, strconv.Itoa(int(fieldBit/64)), `] |= uint64(`, fmt.Sprintf("0x%08x", 1<<(fieldBit%64)), `)`)
}
}
p.Out()
p.P(`default:`)
p.In()
if message.DescriptorProto.HasExtension() {
c := []string{}
for _, erange := range message.GetExtensionRange() {
c = append(c, `((fieldNum >= `+strconv.Itoa(int(erange.GetStart()))+") && (fieldNum<"+strconv.Itoa(int(erange.GetEnd()))+`))`)
}
p.P(`if `, strings.Join(c, "||"), `{`)
p.In()
p.P(`var sizeOfWire int`)
p.P(`for {`)
p.In()
p.P(`sizeOfWire++`)
p.P(`wire >>= 7`)
p.P(`if wire == 0 {`)
p.In()
p.P(`break`)
p.Out()
p.P(`}`)
p.Out()
p.P(`}`)
p.P(`iNdEx-=sizeOfWire`)
p.P(`skippy, err := skip`, p.localName+`(data[iNdEx:])`)
p.P(`if err != nil {`)
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
p.P(`if skippy < 0 {`)
p.In()
p.P(`return ErrInvalidLength`, p.localName)
p.Out()
p.P(`}`)
p.P(`if (iNdEx + skippy) > l {`)
p.In()
p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
p.P(protoPkg.Use(), `.AppendExtension(m, int32(fieldNum), data[iNdEx:iNdEx+skippy])`)
p.P(`iNdEx += skippy`)
p.Out()
p.P(`} else {`)
p.In()
}
p.P(`iNdEx=preIndex`)
p.P(`skippy, err := skip`, p.localName, `(data[iNdEx:])`)
p.P(`if err != nil {`)
p.In()
p.P(`return err`)
p.Out()
p.P(`}`)
p.P(`if skippy < 0 {`)
p.In()
p.P(`return ErrInvalidLength`, p.localName)
p.Out()
p.P(`}`)
p.P(`if (iNdEx + skippy) > l {`)
p.In()
p.P(`return `, p.ioPkg.Use(), `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
if gogoproto.HasUnrecognized(file.FileDescriptorProto, message.DescriptorProto) {
p.P(`m.XXX_unrecognized = append(m.XXX_unrecognized, data[iNdEx:iNdEx+skippy]...)`)
}
p.P(`iNdEx += skippy`)
p.Out()
if message.DescriptorProto.HasExtension() {
p.Out()
p.P(`}`)
}
p.Out()
p.P(`}`)
p.Out()
p.P(`}`)
for _, field := range message.Field {
if !field.IsRequired() {
continue
}
fieldBit, ok := rfMap[field.GetNumber()]
if !ok {
panic("field is required, but no bit registered")
}
p.P(`if hasFields[`, strconv.Itoa(int(fieldBit/64)), `] & uint64(`, fmt.Sprintf("0x%08x", 1<<(fieldBit%64)), `) == 0 {`)
p.In()
if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
p.P(`return new(`, protoPkg.Use(), `.RequiredNotSetError)`)
} else {
p.P(`return `, protoPkg.Use(), `.NewRequiredNotSetError("`, field.GetName(), `")`)
}
p.Out()
p.P(`}`)
}
p.P()
p.P(`if iNdEx > l {`)
p.In()
p.P(`return ` + p.ioPkg.Use() + `.ErrUnexpectedEOF`)
p.Out()
p.P(`}`)
p.P(`return nil`)
p.Out()
p.P(`}`)
}
if !p.atleastOne {
return
}
p.P(`func skip` + p.localName + `(data []byte) (n int, err error) {
l := len(data)
iNdEx := 0
for iNdEx < l {
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflow` + p.localName + `
}
if iNdEx >= l {
return 0, ` + p.ioPkg.Use() + `.ErrUnexpectedEOF
}
b := data[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
wireType := int(wire & 0x7)
switch wireType {
case 0:
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflow` + p.localName + `
}
if iNdEx >= l {
return 0, ` + p.ioPkg.Use() + `.ErrUnexpectedEOF
}
iNdEx++
if data[iNdEx-1] < 0x80 {
break
}
}
return iNdEx, nil
case 1:
iNdEx += 8
return iNdEx, nil
case 2:
var length int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflow` + p.localName + `
}
if iNdEx >= l {
return 0, ` + p.ioPkg.Use() + `.ErrUnexpectedEOF
}
b := data[iNdEx]
iNdEx++
length |= (int(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
iNdEx += length
if length < 0 {
return 0, ErrInvalidLength` + p.localName + `
}
return iNdEx, nil
case 3:
for {
var innerWire uint64
var start int = iNdEx
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return 0, ErrIntOverflow` + p.localName + `
}
if iNdEx >= l {
return 0, ` + p.ioPkg.Use() + `.ErrUnexpectedEOF
}
b := data[iNdEx]
iNdEx++
innerWire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
innerWireType := int(innerWire & 0x7)
if innerWireType == 4 {
break
}
next, err := skip` + p.localName + `(data[start:])
if err != nil {
return 0, err
}
iNdEx = start + next
}
return iNdEx, nil
case 4:
return iNdEx, nil
case 5:
iNdEx += 4
return iNdEx, nil
default:
return 0, ` + fmtPkg.Use() + `.Errorf("proto: illegal wireType %d", wireType)
}
}
panic("unreachable")
}
var (
ErrInvalidLength` + p.localName + ` = ` + fmtPkg.Use() + `.Errorf("proto: negative length found during unmarshaling")
ErrIntOverflow` + p.localName + ` = ` + fmtPkg.Use() + `.Errorf("proto: integer overflow")
)
`)
}
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(`}`)
}