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描述文字

Golang gogoproto.IsNullable函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Golang中github.com/gogo/protobuf/gogoproto.IsNullable函数的典型用法代码示例。如果您正苦于以下问题：Golang IsNullable函数的具体用法？Golang IsNullable怎么用？Golang IsNullable使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了IsNullable函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: Generate

func (p *plugin) Generate(file *generator.FileDescriptor) {
	proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
	for _, msg := range file.Messages() {
		getters := gogoproto.HasGoGetters(file.FileDescriptorProto, msg.DescriptorProto)
		face := gogoproto.IsFace(file.FileDescriptorProto, msg.DescriptorProto)
		for _, field := range msg.GetField() {
			if len(field.GetDefaultValue()) > 0 {
				if !getters {
					fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot have a default value and not have a getter method", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
					os.Exit(1)
				}
				if face {
					fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot have a default value be in a face", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
					os.Exit(1)
				}
			}
			if gogoproto.IsNullable(field) {
				continue
			}
			if len(field.GetDefaultValue()) > 0 {
				fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot be non-nullable and have a default value", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				os.Exit(1)
			}
			if !field.IsMessage() && !gogoproto.IsCustomType(field) {
				if field.IsRepeated() {
					fmt.Fprintf(os.Stderr, "WARNING: field %v.%v is a repeated non-nullable native type, nullable=false has no effect\n", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				} else if proto3 {
					fmt.Fprintf(os.Stderr, "ERROR: field %v.%v is a native type and in proto3 syntax with nullable=false there exists conflicting implementations when encoding zero values", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
					os.Exit(1)
				}
				if field.IsBytes() {
					fmt.Fprintf(os.Stderr, "WARNING: field %v.%v is a non-nullable bytes type, nullable=false has no effect\n", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				}
			}
			if !field.IsEnum() {
				continue
			}
			enum := p.ObjectNamed(field.GetTypeName()).(*generator.EnumDescriptor)
			if len(enum.Value) == 0 || enum.Value[0].GetNumber() != 0 {
				fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot be non-nullable and be an enum type %v which does not start with zero", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name), enum.GetName())
				os.Exit(1)
			}
		}
	}
	for _, e := range file.GetExtension() {
		if !gogoproto.IsNullable(e) {
			fmt.Fprintf(os.Stderr, "ERROR: extended field %v cannot be nullable %v", generator.CamelCase(e.GetName()), generator.CamelCase(*e.Name))
			os.Exit(1)
		}
	}
}
开发者ID:ChristianKniep，项目名称:swarmkit，代码行数:51，代码来源:defaultcheck.go


示例2: Generate

func (p *plugin) Generate(file *generator.FileDescriptor) {
	for _, msg := range file.Messages() {
		face := gogoproto.IsFace(file.FileDescriptorProto, msg.DescriptorProto)
		for _, field := range msg.GetField() {
			if field.OneofIndex == nil {
				continue
			}
			if face {
				fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot be in a face and oneof\n", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				os.Exit(1)
			}
			if gogoproto.IsEmbed(field) {
				fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot be in an oneof and an embedded field\n", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				os.Exit(1)
			}
			if !gogoproto.IsNullable(field) {
				fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot be in an oneof and a non-nullable field\n", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				os.Exit(1)
			}
			if gogoproto.IsUnion(file.FileDescriptorProto, msg.DescriptorProto) {
				fmt.Fprintf(os.Stderr, "ERROR: field %v.%v cannot be in an oneof and in an union (deprecated)\n", generator.CamelCase(*msg.Name), generator.CamelCase(*field.Name))
				os.Exit(1)
			}
		}
	}
}
开发者ID:otsimo，项目名称:otsimoctl，代码行数:26，代码来源:oneofcheck.go


示例3: genRepeated

func (d *deepCopyGen) genRepeated(m *generator.Descriptor, f *descriptor.FieldDescriptorProto) {
	fName := generator.CamelCase(*f.Name)
	if gogoproto.IsCustomName(f) {
		fName = gogoproto.GetCustomName(f)
	}

	typename, _ := d.GoType(m, f)

	d.P("if o.", fName, " != nil {")
	d.In()
	if f.IsMessage() {
		d.P("m.", fName, " = make(", typename, ", len(o.", fName, "))")

		// TODO(stevvooe): Handle custom type here?
		goType := d.TypeName(d.ObjectNamed(f.GetTypeName())) // elides [] or *

		d.P("for i := range m.", fName, " {")
		d.In()
		if !gogoproto.IsNullable(f) {
			d.genCopyFunc("&m."+fName+"[i]", "&o."+fName+"[i]")
		} else {
			d.P("m.", fName, "[i] = &", goType, "{}")
			d.genCopyFunc("m."+fName+"[i]", "o."+fName+"[i]")
		}
		d.Out()
		d.P("}")
	} else {
		d.P("m.", fName, " = make(", typename, ", len(o.", fName, "))")
		d.P("copy(m.", fName, ", ", "o.", fName, ")")
	}
	d.Out()
	d.P("}")
	d.P()
}
开发者ID:yongtang，项目名称:swarmkit，代码行数:34，代码来源:deepcopy.go


示例4: std

func (p *size) std(field *descriptor.FieldDescriptorProto, name string) (string, bool) {
	if gogoproto.IsStdTime(field) {
		if gogoproto.IsNullable(field) {
			return p.typesPkg.Use() + `.SizeOfStdTime(*` + name + `)`, true
		} else {
			return p.typesPkg.Use() + `.SizeOfStdTime(` + name + `)`, true
		}
	} else if gogoproto.IsStdDuration(field) {
		if gogoproto.IsNullable(field) {
			return p.typesPkg.Use() + `.SizeOfStdDuration(*` + name + `)`, true
		} else {
			return p.typesPkg.Use() + `.SizeOfStdDuration(` + name + `)`, true
		}
	}
	return "", false
}
开发者ID:syncthing，项目名称:syncthing，代码行数:16，代码来源:size.go


示例5: GetMapValueField

func (g *Generator) GetMapValueField(field, valField *descriptor.FieldDescriptorProto) *descriptor.FieldDescriptorProto {
	if !gogoproto.IsCastValue(field) && gogoproto.IsNullable(field) {
		return valField
	}
	valField = proto.Clone(valField).(*descriptor.FieldDescriptorProto)
	if valField.Options == nil {
		valField.Options = &descriptor.FieldOptions{}
	}
	if valType := gogoproto.GetCastValue(field); len(valType) > 0 {
		if err := proto.SetExtension(valField.Options, gogoproto.E_Casttype, &valType); err != nil {
			g.Fail(err.Error())
		}
	}

	nullable := gogoproto.IsNullable(field)
	if err := proto.SetExtension(valField.Options, gogoproto.E_Nullable, &nullable); err != nil {
		g.Fail(err.Error())
	}
	return valField
}
开发者ID:CodeJuan，项目名称:kubernetes，代码行数:20，代码来源:helper.go


示例6: GoMapValueTypes

// GoMapValueTypes returns the map value Go type and the alias map value Go type (for casting), taking into
// account whether the map is nullable or the value is a message.
func GoMapValueTypes(mapField, valueField *descriptor.FieldDescriptorProto, goValueType, goValueAliasType string) (nullable bool, outGoType string, outGoAliasType string) {
	nullable = gogoproto.IsNullable(mapField) && (valueField.IsMessage() || gogoproto.IsCustomType(mapField))
	if nullable {
		// ensure the non-aliased Go value type is a pointer for consistency
		if strings.HasPrefix(goValueType, "*") {
			outGoType = goValueType
		} else {
			outGoType = "*" + goValueType
		}
		outGoAliasType = goValueAliasType
	} else {
		outGoType = strings.Replace(goValueType, "*", "", 1)
		outGoAliasType = strings.Replace(goValueAliasType, "*", "", 1)
	}
	return
}
开发者ID:peter-edge，项目名称:protoeasy-go，代码行数:18，代码来源:helper.go


示例7: GetMapValueField

func (g *Generator) GetMapValueField(field, valField *descriptor.FieldDescriptorProto) *descriptor.FieldDescriptorProto {
	if gogoproto.IsCustomType(field) && gogoproto.IsCastValue(field) {
		g.Fail("cannot have a customtype and casttype: ", field.String())
	}
	valField = proto.Clone(valField).(*descriptor.FieldDescriptorProto)
	if valField.Options == nil {
		valField.Options = &descriptor.FieldOptions{}
	}

	stdtime := gogoproto.IsStdTime(field)
	if stdtime {
		if err := proto.SetExtension(valField.Options, gogoproto.E_Stdtime, &stdtime); err != nil {
			g.Fail(err.Error())
		}
	}

	stddur := gogoproto.IsStdDuration(field)
	if stddur {
		if err := proto.SetExtension(valField.Options, gogoproto.E_Stdduration, &stddur); err != nil {
			g.Fail(err.Error())
		}
	}

	if valType := gogoproto.GetCastValue(field); len(valType) > 0 {
		if err := proto.SetExtension(valField.Options, gogoproto.E_Casttype, &valType); err != nil {
			g.Fail(err.Error())
		}
	}
	if valType := gogoproto.GetCustomType(field); len(valType) > 0 {
		if err := proto.SetExtension(valField.Options, gogoproto.E_Customtype, &valType); err != nil {
			g.Fail(err.Error())
		}
	}

	nullable := gogoproto.IsNullable(field)
	if err := proto.SetExtension(valField.Options, gogoproto.E_Nullable, &nullable); err != nil {
		g.Fail(err.Error())
	}
	return valField
}
开发者ID:peter-edge，项目名称:protoeasy-go，代码行数:40，代码来源:helper.go


示例8: genMap

func (d *deepCopyGen) genMap(m *generator.Descriptor, f *descriptor.FieldDescriptorProto) bool {
	fName := generator.CamelCase(*f.Name)
	if gogoproto.IsCustomName(f) {
		fName = gogoproto.GetCustomName(f)
	}

	dv := d.ObjectNamed(f.GetTypeName())
	desc, ok := dv.(*generator.Descriptor)
	if !ok || !desc.GetOptions().GetMapEntry() {
		return false
	}

	mt := d.GoMapType(desc, f)
	typename := mt.GoType

	d.P("if o.", fName, " != nil {")
	d.In()
	d.P("m.", fName, " = make(", typename, ", ", "len(o.", fName, "))")
	d.P("for k, v := range o.", fName, " {")
	d.In()
	if mt.ValueField.IsMessage() {
		if !gogoproto.IsNullable(f) {
			d.P("n := ", d.TypeName(d.ObjectNamed(mt.ValueField.GetTypeName())), "{}")
			d.genCopyFunc("&n", "&v")
			d.P("m.", fName, "[k] = ", "n")
		} else {
			d.P("m.", fName, "[k] = &", d.TypeName(d.ObjectNamed(mt.ValueField.GetTypeName())), "{}")
			d.genCopyFunc("m."+fName+"[k]", "v")
		}
	} else {
		d.P("m.", fName, "[k] = v")
	}
	d.Out()
	d.P("}")
	d.Out()
	d.P("}")
	d.P()

	return true
}
开发者ID:yongtang，项目名称:swarmkit，代码行数:40，代码来源:deepcopy.go


示例9: Generate

func (p *size) Generate(file *generator.FileDescriptor) {
	p.PluginImports = generator.NewPluginImports(p.Generator)
	p.atleastOne = false
	p.localName = generator.FileName(file)
	protoPkg := p.NewImport("github.com/gogo/protobuf/proto")
	if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
		protoPkg = p.NewImport("github.com/golang/protobuf/proto")
	}
	for _, message := range file.Messages() {
		if !gogoproto.IsSizer(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}
		p.atleastOne = true
		proto3 := gogoproto.IsProto3(file.FileDescriptorProto)

		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		p.P(`func (m *`, ccTypeName, `) Size() (n int) {`)
		p.In()
		p.P(`var l int`)
		p.P(`_ = l`)
		for _, field := range message.Field {
			fieldname := p.GetFieldName(message, field)
			nullable := gogoproto.IsNullable(field)
			repeated := field.IsRepeated()
			if repeated {
				p.P(`if len(m.`, fieldname, `) > 0 {`)
				p.In()
			} else if (!proto3 && nullable) || (!gogoproto.IsCustomType(field) && *field.Type == descriptor.FieldDescriptorProto_TYPE_BYTES) {
				p.P(`if m.`, fieldname, ` != nil {`)
				p.In()
			}
			packed := field.IsPacked()
			_, wire := p.GoType(message, field)
			wireType := wireToType(wire)
			fieldNumber := field.GetNumber()
			if packed {
				wireType = proto.WireBytes
			}
			key := keySize(fieldNumber, wireType)
			switch *field.Type {
			case descriptor.FieldDescriptorProto_TYPE_DOUBLE,
				descriptor.FieldDescriptorProto_TYPE_FIXED64,
				descriptor.FieldDescriptorProto_TYPE_SFIXED64:
				if packed {
					p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(len(m.`, fieldname, `)*8))`, `+len(m.`, fieldname, `)*8`)
				} else if repeated {
					p.P(`n+=`, strconv.Itoa(key+8), `*len(m.`, fieldname, `)`)
				} else if proto3 {
					p.P(`if m.`, fieldname, ` != 0 {`)
					p.In()
					p.P(`n+=`, strconv.Itoa(key+8))
					p.Out()
					p.P(`}`)
				} else if nullable {
					p.P(`n+=`, strconv.Itoa(key+8))
				} else {
					p.P(`n+=`, strconv.Itoa(key+8))
				}
			case descriptor.FieldDescriptorProto_TYPE_FLOAT,
				descriptor.FieldDescriptorProto_TYPE_FIXED32,
				descriptor.FieldDescriptorProto_TYPE_SFIXED32:
				if packed {
					p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(len(m.`, fieldname, `)*4))`, `+len(m.`, fieldname, `)*4`)
				} else if repeated {
					p.P(`n+=`, strconv.Itoa(key+4), `*len(m.`, fieldname, `)`)
				} else if proto3 {
					p.P(`if m.`, fieldname, ` != 0 {`)
					p.In()
					p.P(`n+=`, strconv.Itoa(key+4))
					p.Out()
					p.P(`}`)
				} else if nullable {
					p.P(`n+=`, strconv.Itoa(key+4))
				} else {
					p.P(`n+=`, strconv.Itoa(key+4))
				}
			case descriptor.FieldDescriptorProto_TYPE_INT64,
				descriptor.FieldDescriptorProto_TYPE_UINT64,
				descriptor.FieldDescriptorProto_TYPE_UINT32,
				descriptor.FieldDescriptorProto_TYPE_ENUM,
				descriptor.FieldDescriptorProto_TYPE_INT32:
				if packed {
					p.P(`l = 0`)
					p.P(`for _, e := range m.`, fieldname, ` {`)
					p.In()
					p.P(`l+=sov`, p.localName, `(uint64(e))`)
					p.Out()
					p.P(`}`)
					p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(l))+l`)
				} else if repeated {
					p.P(`for _, e := range m.`, fieldname, ` {`)
					p.In()
					p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(e))`)
					p.Out()
					p.P(`}`)
				} else if proto3 {
					p.P(`if m.`, fieldname, ` != 0 {`)
//.........这里部分代码省略.........
开发者ID:nolenroyalty，项目名称:bangarang，代码行数:101，代码来源:size.go


示例10: Generate

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/gogo/protobuf/sortkeys")
	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 !generator.IsMap(file.FileDescriptorProto, field) {
				continue
			}
			fieldname := p.GetFieldName(message, field)
			mapMsg := generator.GetMap(file.FileDescriptorProto, field)
			keyField, valueField := mapMsg.GetMapFields()
			keysName := `keysFor` + fieldname
			keygoTyp, _ := p.GoType(nil, keyField)
			keygoTyp = strings.Replace(keygoTyp, "*", "", 1)
			keyCapTyp := generator.CamelCase(keygoTyp)
			valuegoTyp, _ := p.GoType(nil, valueField)
			p.P(keysName, ` := make([]`, keygoTyp, `, 0, len(this.`, fieldname, `))`)
			p.P(`for k, _ := range this.`, fieldname, ` {`)
			p.In()
			p.P(keysName, ` = append(`, keysName, `, k)`)
			p.Out()
			p.P(`}`)
			p.P(sortKeysPkg.Use(), `.`, keyCapTyp, `s(`, keysName, `)`)
			mapName := `mapStringFor` + fieldname
			p.P(mapName, ` := "map[`, keygoTyp, `]`, valuegoTyp, `{"`)
			p.P(`for _, k := range `, keysName, ` {`)
			p.In()
			p.P(mapName, ` += fmt.Sprintf("%v: %v,", k, this.`, fieldname, `[k])`)
			p.Out()
			p.P(`}`)
			p.P(mapName, ` += "}"`)
		}
		p.P("s := ", stringsPkg.Use(), ".Join([]string{`&", ccTypeName, "{`,")
		for _, field := range message.Field {
			nullable := gogoproto.IsNullable(field)
			repeated := field.IsRepeated()
			fieldname := p.GetFieldName(message, field)
			if generator.IsMap(file.FileDescriptorProto, 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_extensions:` + proto.StringFromExtensionsMap(this.XXX_extensions) + `,`,")
			} else {
				p.P("`XXX_extensions:` + proto.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()
//.........这里部分代码省略.........
开发者ID:nolenroyalty，项目名称:bangarang，代码行数:101，代码来源:stringer.go


示例11: genMsgDeepCopy

func (d *deepCopyGen) genMsgDeepCopy(m *generator.Descriptor) {
	ccTypeName := generator.CamelCaseSlice(m.TypeName())

	// Generate backwards compatible, type-safe Copy() function.
	d.P("func (m *", ccTypeName, ") Copy() *", ccTypeName, "{")
	d.In()
	d.P("if m == nil {")
	d.In()
	d.P("return nil")
	d.Out()
	d.P("}")
	d.P("o := &", ccTypeName, "{}")
	d.P("o.CopyFrom(m)")
	d.P("return o")
	d.Out()
	d.P("}")
	d.P()

	if len(m.Field) == 0 {
		d.P("func (m *", ccTypeName, ") CopyFrom(src interface{})", " {}")
		return
	}

	d.P("func (m *", ccTypeName, ") CopyFrom(src interface{})", " {")
	d.P()

	d.P("o := src.(*", ccTypeName, ")")

	// shallow copy handles all scalars
	d.P("*m = *o")

	oneofByIndex := [][]*descriptor.FieldDescriptorProto{}
	for _, f := range m.Field {
		fName := generator.CamelCase(*f.Name)
		if gogoproto.IsCustomName(f) {
			fName = gogoproto.GetCustomName(f)
		}

		// Handle oneof type, we defer them to a loop below
		if f.OneofIndex != nil {
			if len(oneofByIndex) <= int(*f.OneofIndex) {
				oneofByIndex = append(oneofByIndex, []*descriptor.FieldDescriptorProto{})
			}

			oneofByIndex[*f.OneofIndex] = append(oneofByIndex[*f.OneofIndex], f)
			continue
		}

		// Handle all kinds of message type
		if f.IsMessage() {
			// Handle map type
			if d.genMap(m, f) {
				continue
			}

			// Handle any message which is not repeated or part of oneof
			if !f.IsRepeated() && f.OneofIndex == nil {
				if !gogoproto.IsNullable(f) {
					d.genCopyFunc("&m."+fName, "&o."+fName)
				} else {
					d.P("if o.", fName, " != nil {")
					d.In()
					// allocate dst object
					d.P("m.", fName, " = &", d.TypeName(d.ObjectNamed(f.GetTypeName())), "{}")
					// copy into the allocated struct
					d.genCopyFunc("m."+fName, "o."+fName)

					d.Out()
					d.P("}")
				}
				continue
			}
		}

		// Handle repeated field
		if f.IsRepeated() {
			d.genRepeated(m, f)
			continue
		}

		// skip: field was a scalar handled by shallow copy!
	}

	for i, oo := range m.GetOneofDecl() {
		d.genOneOf(m, oo, oneofByIndex[i])
	}

	d.P("}")
	d.P()
}
开发者ID:yongtang，项目名称:swarmkit，代码行数:90，代码来源:deepcopy.go


示例12: generateMessage

func (p *plugin) generateMessage(file *generator.FileDescriptor, message *generator.Descriptor, verbose bool) {
	proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
	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.P(`if that == nil {`)
	p.In()
	p.P(`if this == nil {`)
	p.In()
	if verbose {
		p.P(`return nil`)
	} else {
		p.P(`return true`)
	}
	p.Out()
	p.P(`}`)
	if verbose {
		p.P(`return `, p.fmtPkg.Use(), `.Errorf("that == nil && this != nil")`)
	} else {
		p.P(`return false`)
	}
	p.Out()
	p.P(`}`)
	p.P(``)
	p.P(`that1, ok := that.(*`, ccTypeName, `)`)
	p.P(`if !ok {`)
	p.In()
	if verbose {
		p.P(`return `, p.fmtPkg.Use(), `.Errorf("that is not of type *`, ccTypeName, `")`)
	} else {
		p.P(`return false`)
	}
	p.Out()
	p.P(`}`)
	p.P(`if that1 == nil {`)
	p.In()
	p.P(`if this == nil {`)
	p.In()
	if verbose {
		p.P(`return nil`)
	} else {
		p.P(`return true`)
	}
	p.Out()
	p.P(`}`)
	if verbose {
		p.P(`return `, p.fmtPkg.Use(), `.Errorf("that is type *`, ccTypeName, ` but is nil && this != nil")`)
	} else {
		p.P(`return false`)
	}
	p.Out()
	p.P(`} else if this == nil {`)
	p.In()
	if verbose {
		p.P(`return `, p.fmtPkg.Use(), `.Errorf("that is type *`, ccTypeName, `but is not nil && this == nil")`)
	} else {
		p.P(`return false`)
	}
	p.Out()
	p.P(`}`)

	for _, field := range message.Field {
		fieldname := p.GetFieldName(message, field)
		repeated := field.IsRepeated()
		ctype := gogoproto.IsCustomType(field)
		nullable := gogoproto.IsNullable(field)
		if !repeated {
			if ctype {
				if nullable {
					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, `.Equal(*that1.`, fieldname, `) {`)
				} else {
					p.P(`if !this.`, fieldname, `.Equal(that1.`, fieldname, `) {`)
				}
			} else {
				if field.IsMessage() || p.IsGroup(field) {
					if nullable {
						p.P(`if !this.`, fieldname, `.Equal(that1.`, fieldname, `) {`)
					} else {
						p.P(`if !this.`, fieldname, `.Equal(&that1.`, fieldname, `) {`)
					}
				} else if field.IsBytes() {
					p.P(`if !`, p.bytesPkg.Use(), `.Equal(this.`, fieldname, `, that1.`, fieldname, `) {`)
				} else if field.IsString() {
					if nullable && !proto3 {
//.........这里部分代码省略.........
开发者ID:nolenroyalty，项目名称:bangarang，代码行数:101，代码来源:equal.go


示例13: generateField

func (p *plugin) generateField(file *generator.FileDescriptor, message *generator.Descriptor, field *descriptor.FieldDescriptorProto, verbose bool) {
	proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
	fieldname := p.GetOneOfFieldName(message, field)
	repeated := field.IsRepeated()
	ctype := gogoproto.IsCustomType(field)
	nullable := gogoproto.IsNullable(field)
	// oneof := field.OneofIndex != nil
	if !repeated {
		if ctype {
			if nullable {
				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, `.Equal(*that1.`, fieldname, `) {`)
			} else {
				p.P(`if !this.`, fieldname, `.Equal(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(`}`)
		} else {
			if field.IsMessage() || p.IsGroup(field) {
				if nullable {
					p.P(`if !this.`, fieldname, `.Equal(that1.`, fieldname, `) {`)
				} else {
					p.P(`if !this.`, fieldname, `.Equal(&that1.`, fieldname, `) {`)
				}
			} else if field.IsBytes() {
				p.P(`if !`, p.bytesPkg.Use(), `.Equal(this.`, fieldname, `, that1.`, fieldname, `) {`)
			} else if field.IsString() {
				if nullable && !proto3 {
					p.generateNullableField(fieldname, verbose)
				} else {
					p.P(`if this.`, fieldname, ` != that1.`, fieldname, `{`)
				}
			} else {
				if nullable && !proto3 {
					p.generateNullableField(fieldname, verbose)
				} else {
					p.P(`if 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(`}`)
		}
	} else {
		p.P(`if len(this.`, fieldname, `) != len(that1.`, fieldname, `) {`)
		p.In()
		if verbose {
			p.P(`return `, p.fmtPkg.Use(), `.Errorf("`, fieldname, ` this(%v) Not Equal that(%v)", len(this.`, fieldname, `), len(that1.`, fieldname, `))`)
		} else {
			p.P(`return false`)
		}
		p.Out()
		p.P(`}`)
		p.P(`for i := range this.`, fieldname, ` {`)
		p.In()
		if ctype {
			p.P(`if !this.`, fieldname, `[i].Equal(that1.`, fieldname, `[i]) {`)
		} else {
			if generator.IsMap(file.FileDescriptorProto, field) {
				mapMsg := generator.GetMap(file.FileDescriptorProto, field)
				_, mapValue := mapMsg.GetMapFields()
				if mapValue.IsMessage() || p.IsGroup(mapValue) {
					p.P(`if !this.`, fieldname, `[i].Equal(that1.`, fieldname, `[i]) {`)
				} else if mapValue.IsBytes() {
					p.P(`if !`, p.bytesPkg.Use(), `.Equal(this.`, fieldname, `[i], that1.`, fieldname, `[i]) {`)
				} else if mapValue.IsString() {
					p.P(`if this.`, fieldname, `[i] != that1.`, fieldname, `[i] {`)
				} else {
					p.P(`if this.`, fieldname, `[i] != that1.`, fieldname, `[i] {`)
				}
			} else if field.IsMessage() || p.IsGroup(field) {
				if nullable {
					p.P(`if !this.`, fieldname, `[i].Equal(that1.`, fieldname, `[i]) {`)
				} else {
					p.P(`if !this.`, fieldname, `[i].Equal(&that1.`, fieldname, `[i]) {`)
				}
			} else if field.IsBytes() {
				p.P(`if !`, p.bytesPkg.Use(), `.Equal(this.`, fieldname, `[i], that1.`, fieldname, `[i]) {`)
//.........这里部分代码省略.........
开发者ID:ZhiqinYang，项目名称:protobuf，代码行数:101，代码来源:equal.go


示例14: generateField

func (p *size) generateField(proto3 bool, file *generator.FileDescriptor, message *generator.Descriptor, field *descriptor.FieldDescriptorProto) {
	fieldname := p.GetOneOfFieldName(message, field)
	nullable := gogoproto.IsNullable(field)
	repeated := field.IsRepeated()
	if repeated {
		p.P(`if len(m.`, fieldname, `) > 0 {`)
		p.In()
	} else if ((!proto3 || field.IsMessage()) && nullable) || (!gogoproto.IsCustomType(field) && *field.Type == descriptor.FieldDescriptorProto_TYPE_BYTES) {
		p.P(`if m.`, fieldname, ` != nil {`)
		p.In()
	}
	packed := field.IsPacked()
	_, wire := p.GoType(message, field)
	wireType := wireToType(wire)
	fieldNumber := field.GetNumber()
	if packed {
		wireType = proto.WireBytes
	}
	key := keySize(fieldNumber, wireType)
	switch *field.Type {
	case descriptor.FieldDescriptorProto_TYPE_DOUBLE,
		descriptor.FieldDescriptorProto_TYPE_FIXED64,
		descriptor.FieldDescriptorProto_TYPE_SFIXED64:
		if packed {
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(len(m.`, fieldname, `)*8))`, `+len(m.`, fieldname, `)*8`)
		} else if repeated {
			p.P(`n+=`, strconv.Itoa(key+8), `*len(m.`, fieldname, `)`)
		} else if proto3 {
			p.P(`if m.`, fieldname, ` != 0 {`)
			p.In()
			p.P(`n+=`, strconv.Itoa(key+8))
			p.Out()
			p.P(`}`)
		} else if nullable {
			p.P(`n+=`, strconv.Itoa(key+8))
		} else {
			p.P(`n+=`, strconv.Itoa(key+8))
		}
	case descriptor.FieldDescriptorProto_TYPE_FLOAT,
		descriptor.FieldDescriptorProto_TYPE_FIXED32,
		descriptor.FieldDescriptorProto_TYPE_SFIXED32:
		if packed {
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(len(m.`, fieldname, `)*4))`, `+len(m.`, fieldname, `)*4`)
		} else if repeated {
			p.P(`n+=`, strconv.Itoa(key+4), `*len(m.`, fieldname, `)`)
		} else if proto3 {
			p.P(`if m.`, fieldname, ` != 0 {`)
			p.In()
			p.P(`n+=`, strconv.Itoa(key+4))
			p.Out()
			p.P(`}`)
		} else if nullable {
			p.P(`n+=`, strconv.Itoa(key+4))
		} else {
			p.P(`n+=`, strconv.Itoa(key+4))
		}
	case descriptor.FieldDescriptorProto_TYPE_INT64,
		descriptor.FieldDescriptorProto_TYPE_UINT64,
		descriptor.FieldDescriptorProto_TYPE_UINT32,
		descriptor.FieldDescriptorProto_TYPE_ENUM,
		descriptor.FieldDescriptorProto_TYPE_INT32:
		if packed {
			p.P(`l = 0`)
			p.P(`for _, e := range m.`, fieldname, ` {`)
			p.In()
			p.P(`l+=sov`, p.localName, `(uint64(e))`)
			p.Out()
			p.P(`}`)
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(l))+l`)
		} else if repeated {
			p.P(`for _, e := range m.`, fieldname, ` {`)
			p.In()
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(e))`)
			p.Out()
			p.P(`}`)
		} else if proto3 {
			p.P(`if m.`, fieldname, ` != 0 {`)
			p.In()
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(m.`, fieldname, `))`)
			p.Out()
			p.P(`}`)
		} else if nullable {
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(*m.`, fieldname, `))`)
		} else {
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(m.`, fieldname, `))`)
		}
	case descriptor.FieldDescriptorProto_TYPE_BOOL:
		if packed {
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(len(m.`, fieldname, `)))`, `+len(m.`, fieldname, `)*1`)
		} else if repeated {
			p.P(`n+=`, strconv.Itoa(key+1), `*len(m.`, fieldname, `)`)
		} else if proto3 {
			p.P(`if m.`, fieldname, ` {`)
			p.In()
			p.P(`n+=`, strconv.Itoa(key+1))
			p.Out()
			p.P(`}`)
		} else if nullable {
			p.P(`n+=`, strconv.Itoa(key+1))
		} else {
//.........这里部分代码省略.........
开发者ID:dropbox，项目名称:gogoprotobuf，代码行数:101，代码来源:size.go


示例15: GenerateField

func (p *plugin) GenerateField(file *generator.FileDescriptor, message *generator.Descriptor, field *descriptor.FieldDescriptorProto) {
	proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
	goTyp, _ := p.GoType(message, field)
	fieldname := p.GetFieldName(message, field)
	goTypName := generator.GoTypeToName(goTyp)
	if generator.IsMap(file.FileDescriptorProto, field) {
		mapmsg := generator.GetMap(file.FileDescriptorProto, field)
		mapkey, mapvalue := mapmsg.GetMapFields()
		keygoTyp, _ := p.GoType(nil, mapkey)
		valuegoTyp, _ := p.GoType(nil, mapvalue)
		keytypName := generator.GoTypeToName(keygoTyp)
		valuetypName := generator.GoTypeToName(valuegoTyp)
		mapvaluegoType := valuegoTyp
		if !mapvalue.IsMessage() {
			mapvaluegoType = strings.Replace(mapvaluegoType, "*", "", 1)
		}
		p.P(p.varGen.Next(), ` := r.Intn(10)`)
		p.P(`this.`, fieldname, ` = make(map[`, strings.Replace(keygoTyp, "*", "", 1), `]`, mapvaluegoType, `)`)
		p.P(`for i := 0; i < `, p.varGen.Current(), `; i++ {`)
		p.In()
		keyval := ""
		if mapkey.IsString() {
			keyval = fmt.Sprintf("randString%v(r)", p.localName)
		} else {
			keyval = value(keytypName)
		}
		if mapvalue.IsMessage() || p.IsGroup(field) {
			s := `this.` + fieldname + `[` + keyval + `]` + ` = `
			goTypName := generator.GoTypeToName(valuegoTyp)
			funcCall := getFuncCall(goTypName)
			s += funcCall
			p.P(s)
		} else if mapvalue.IsEnum() {
			s := `this.` + fieldname + `[` + keyval + `]` + ` = ` + p.getEnumVal(mapvalue, valuegoTyp)
			p.P(s)
		} else if mapvalue.IsBytes() {
			count := p.varGen.Next()
			p.P(count, ` := r.Intn(100)`)
			p.P(p.varGen.Next(), ` := `, keyval)
			p.P(`this.`, fieldname, `[`, p.varGen.Current(), `] = make(`, valuegoTyp, `, `, count, `)`)
			p.P(`for i := 0; i < `, count, `; i++ {`)
			p.In()
			p.P(`this.`, fieldname, `[`, p.varGen.Current(), `][i] = byte(r.Intn(256))`)
			p.Out()
			p.P(`}`)
		} else if mapvalue.IsString() {
			s := `this.` + fieldname + `[` + keyval + `]` + ` = ` + fmt.Sprintf("randString%v(r)", p.localName)
			p.P(s)
		} else {
			p.P(p.varGen.Next(), ` := `, keyval)
			p.P(`this.`, fieldname, `[`, p.varGen.Current(), `] = `, value(valuetypName))
			if negative(valuetypName) {
				p.P(`if r.Intn(2) == 0 {`)
				p.In()
				p.P(`this.`, fieldname, `[`, p.varGen.Current(), `] *= -1`)
				p.Out()
				p.P(`}`)
			}
		}
		p.Out()
		p.P(`}`)
	} else if field.IsMessage() || p.IsGroup(field) {
		funcCall := getFuncCall(goTypName)
		if field.IsRepeated() {
			p.P(p.varGen.Next(), ` := r.Intn(10)`)
			p.P(`this.`, fieldname, ` = make(`, goTyp, `, `, p.varGen.Current(), `)`)
			p.P(`for i := 0; i < `, p.varGen.Current(), `; i++ {`)
			p.In()
			if gogoproto.IsNullable(field) {
				p.P(`this.`, fieldname, `[i] = `, funcCall)
			} else {
				p.P(p.varGen.Next(), `:= `, funcCall)
				p.P(`this.`, fieldname, `[i] = *`, p.varGen.Current())
			}
			p.Out()
			p.P(`}`)
		} else {
			if gogoproto.IsNullable(field) {
				p.P(`this.`, fieldname, ` = `, funcCall)
			} else {
				p.P(p.varGen.Next(), `:= `, funcCall)
				p.P(`this.`, fieldname, ` = *`, p.varGen.Current())
			}
		}
	} else {
		if field.IsEnum() {
			val := p.getEnumVal(field, goTyp)
			if field.IsRepeated() {
				p.P(p.varGen.Next(), ` := r.Intn(10)`)
				p.P(`this.`, fieldname, ` = make(`, goTyp, `, `, p.varGen.Current(), `)`)
				p.P(`for i := 0; i < `, p.varGen.Current(), `; i++ {`)
				p.In()
				p.P(`this.`, fieldname, `[i] = `, val)
				p.Out()
				p.P(`}`)
			} else if !gogoproto.IsNullable(field) || proto3 {
				p.P(`this.`, fieldname, ` = `, val)
			} else {
				p.P(p.varGen.Next(), ` := `, val)
				p.P(`this.`, fieldname, ` = &`, p.varGen.Current())
//.........这里部分代码省略.........
开发者ID:nolenroyalty，项目名称:bangarang，代码行数:101，代码来源:populate.go


示例16: generateField

func (p *size) generateField(proto3 bool, file *generator.FileDescriptor, message *generator.Descriptor, field *descriptor.FieldDescriptorProto, sizeName string) {
	fieldname := p.GetOneOfFieldName(message, field)
	nullable := gogoproto.IsNullable(field)
	repeated := field.IsRepeated()
	doNilCheck := gogoproto.NeedsNilCheck(proto3, field)
	if repeated {
		p.P(`if len(m.`, fieldname, `) > 0 {`)
		p.In()
	} else if doNilCheck {
		p.P(`if m.`, fieldname, ` != nil {`)
		p.In()
	}
	packed := field.IsPacked() || (proto3 && field.IsPacked3())
	_, wire := p.GoType(message, field)
	wireType := wireToType(wire)
	fieldNumber := field.GetNumber()
	if packed {
		wireType = proto.WireBytes
	}
	key := keySize(fieldNumber, wireType)
	switch *field.Type {
	case descriptor.FieldDescriptorProto_TYPE_DOUBLE,
		descriptor.FieldDescriptorProto_TYPE_FIXED64,
		descriptor.FieldDescriptorProto_TYPE_SFIXED64:
		if packed {
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(len(m.`, fieldname, `)*8))`, `+len(m.`, fieldname, `)*8`)
		} else if repeated {
			p.P(`n+=`, strconv.Itoa(key+8), `*len(m.`, fieldname, `)`)
		} else if proto3 {
			p.P(`if m.`, fieldname, ` != 0 {`)
			p.In()
			p.P(`n+=`, strconv.Itoa(key+8))
			p.Out()
			p.P(`}`)
		} else if nullable {
			p.P(`n+=`, strconv.Itoa(key+8))
		} else {
			p.P(`n+=`, strconv.Itoa(key+8))
		}
	case descriptor.FieldDescriptorProto_TYPE_FLOAT,
		descriptor.FieldDescriptorProto_TYPE_FIXED32,
		descriptor.FieldDescriptorProto_TYPE_SFIXED32:
		if packed {
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(len(m.`, fieldname, `)*4))`, `+len(m.`, fieldname, `)*4`)
		} else if repeated {
			p.P(`n+=`, strconv.Itoa(key+4), `*len(m.`, fieldname, `)`)
		} else if proto3 {
			p.P(`if m.`, fieldname, ` != 0 {`)
			p.In()
			p.P(`n+=`, strconv.Itoa(key+4))
			p.Out()
			p.P(`}`)
		} else if nullable {
			p.P(`n+=`, strconv.Itoa(key+4))
		} else {
			p.P(`n+=`, strconv.Itoa(key+4))
		}
	case descriptor.FieldDescriptorProto_TYPE_INT64,
		descriptor.FieldDescriptorProto_TYPE_UINT64,
		descriptor.FieldDescriptorProto_TYPE_UINT32,
		descriptor.FieldDescriptorProto_TYPE_ENUM,
		descriptor.FieldDescriptorProto_TYPE_INT32:
		if packed {
			p.P(`l = 0`)
			p.P(`for _, e := range m.`, fieldname, ` {`)
			p.In()
			p.P(`l+=sov`, p.localName, `(uint64(e))`)
			p.Out()
			p.P(`}`)
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(l))+l`)
		} else if repeated {
			p.P(`for _, e := range m.`, fieldname, ` {`)
			p.In()
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(e))`)
			p.Out()
			p.P(`}`)
		} else if proto3 {
			p.P(`if m.`, fieldname, ` != 0 {`)
			p.In()
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(m.`, fieldname, `))`)
			p.Out()
			p.P(`}`)
		} else if nullable {
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(*m.`, fieldname, `))`)
		} else {
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(m.`, fieldname, `))`)
		}
	case descriptor.FieldDescriptorProto_TYPE_BOOL:
		if packed {
			p.P(`n+=`, strconv.Itoa(key), `+sov`, p.localName, `(uint64(len(m.`, fieldname, `)))`, `+len(m.`, fieldname, `)*1`)
		} else if repeated {
			p.P(`n+=`, strconv.Itoa(key+1), `*len(m.`, fieldname, `)`)
		} else if proto3 {
			p.P(`if m.`, fieldname, ` {`)
			p.In()
			p.P(`n+=`, strconv.Itoa(key+1))
			p.Out()
			p.P(`}`)
		} else if nullable {
			p.P(`n+=`, strconv.Itoa(key+1))
//.........这里部分代码省略.........
开发者ID:syncthing，项目名称:syncthing，代码行数:101，代码来源:size.go


示例17: Generate

func (p *marshalto) Generate(file *generator.FileDescriptor) {
	proto3 := gogoproto.IsProto3(file.FileDescriptorProto)
	numGen := NewNumGen()
	p.PluginImports = generator.NewPluginImports(p.Generator)
	p.atleastOne = false
	p.localName = generator.FileName(file)

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

	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()
		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) (n int, err 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)
		for _, field := range message.Field {
			fieldname := p.GetFieldName(message, field)
			nullable := gogoproto.IsNullable(field)
			repeated := field.IsRepeated()
			required := field.IsRequired()
			if required && nullable {
				p.P(`if m.`, fieldname, `== nil {`)
				p.In()
				if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
					p.P(`return 0, new(`, protoPkg.Use(), `.RequiredNotSetError)`)
				} else {
					p.P(`return 0, `, protoPkg.Use(), `.NewRequiredNotSetError("`, field.GetName(), `")`)
				}
				p.Out()
				p.P(`} else {`)
			} else if repeated {
				p.P(`if len(m.`, fieldname, `) > 0 {`)
				p.In()
			} else if ((!proto3 || field.IsMessage()) && nullable) || (*field.Type == descriptor.FieldDesc

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Golang gogoproto.IsProto3函数代码示例发布时间：2022-05-23
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