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
}
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(`}`)
}