Exemplo n.º 1
0
func (p *test) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
	used := false
	randPkg := imports.NewImport("math/rand")
	timePkg := imports.NewImport("time")
	testingPkg := imports.NewImport("testing")
	fmtPkg := imports.NewImport("fmt")
	parserPkg := imports.NewImport("go/parser")
	for _, message := range file.Messages() {
		ccTypeName := generator.CamelCaseSlice(message.TypeName())
		if !gogoproto.HasGoString(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}

		if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
			used = true
			p.P(`func Test`, ccTypeName, `GoString(t *`, testingPkg.Use(), `.T) {`)
			p.In()
			p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(`, timePkg.Use(), `.Now().UnixNano()))`)
			p.P(`p := NewPopulated`, ccTypeName, `(popr, false)`)
			p.P(`s1 := p.GoString()`)
			p.P(`s2 := `, fmtPkg.Use(), `.Sprintf("%#v", p)`)
			p.P(`if s1 != s2 {`)
			p.In()
			p.P(`t.Fatalf("GoString want %v got %v", s1, s2)`)
			p.Out()
			p.P(`}`)
			p.P(`_, err := `, parserPkg.Use(), `.ParseExpr(s1)`)
			p.P(`if err != nil {`)
			p.In()
			p.P(`panic(err)`)
			p.Out()
			p.P(`}`)
			p.Out()
			p.P(`}`)
		}

	}
	return used
}
Exemplo n.º 2
0
func (p *gostring) Generate(file *generator.FileDescriptor) {
	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("code.google.com/p/gogoprotobuf/proto")
	sortPkg := p.NewImport("sort")
	strconvPkg := p.NewImport("strconv")
	reflectPkg := p.NewImport("reflect")

	for _, message := range file.Messages() {
		if !gogoproto.HasGoString(file.FileDescriptorProto, message.DescriptorProto) {
			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(`}`)
		plus := "+"
		out := strings.Join([]string{"s := ", stringsPkg.Use(), ".Join([]string{`&", packageName, ".", ccTypeName, "{` ", plus, " "}, "")
		for _, field := range message.Field {
			nullable := gogoproto.IsNullable(field)
			repeated := field.IsRepeated()
			fieldname := p.GetFieldName(message, field)
			if field.IsMessage() || p.IsGroup(field) {
				out += strings.Join([]string{"`", fieldname, ":` + "}, "")
				if nullable {
					out += strings.Join([]string{fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `)`}, "")
				} else if repeated {
					out += strings.Join([]string{stringsPkg.Use(), `.Replace(`, fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, `)`, ",`&`,``,1)"}, "")
				} else {
					out += strings.Join([]string{stringsPkg.Use(), `.Replace(this.`, fieldname, `.GoString()`, ",`&`,``,1)"}, "")
				}
			} else {
				out += strings.Join([]string{"`", fieldname, ":` + "}, "")
				if field.IsEnum() {
					if nullable && !repeated {
						goTyp, _ := p.GoType(message, field)
						out += strings.Join([]string{`valueToGoString`, p.localName, `(this.`, fieldname, `,"`, packageName, ".", generator.GoTypeToName(goTyp), `"`, ")"}, "")
					} else {
						out += strings.Join([]string{fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, ")"}, "")
					}
				} else {
					if nullable && !repeated {
						goTyp, _ := p.GoType(message, field)
						out += strings.Join([]string{`valueToGoString`, p.localName, `(this.`, fieldname, `,"`, generator.GoTypeToName(goTyp), `"`, ")"}, "")
					} else {
						out += strings.Join([]string{fmtPkg.Use(), `.Sprintf("%#v", this.`, fieldname, ")"}, "")
					}
				}
			}
			out += ", "
		}
		if message.DescriptorProto.HasExtension() {
			if gogoproto.HasExtensionsMap(file.FileDescriptorProto, message.DescriptorProto) {
				out += strings.Join([]string{"`XXX_extensions: ` + extensionToGoString", p.localName, `(this.XXX_extensions),`}, "")
			} else {
				out += strings.Join([]string{"`XXX_extensions:` + ", fmtPkg.Use(), `.Sprintf("%#v", this.XXX_extensions),`}, "")
			}
		}
		out += strings.Join([]string{"`XXX_unrecognized:` + ", fmtPkg.Use(), `.Sprintf("%#v", this.XXX_unrecognized)`}, "")
		out += "+ `}`"
		out = strings.Join([]string{out, `}`, `,", "`, ")"}, "")
		p.P(out)
		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, `(e map[int32]`, protoPkg.Use(), `.Extension) string {`)
	p.In()
	p.P(`if e == nil { return "nil" }`)
	p.P(`s := "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(`}`)

}