func (p *test) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
used := false
testingPkg := imports.NewImport("testing")
for _, message := range file.Messages() {
if !gogoproto.HasDescription(file.FileDescriptorProto, message.DescriptorProto) ||
!gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
continue
}
if message.DescriptorProto.GetOptions().GetMapEntry() {
continue
}
used = true
}
if used {
localName := generator.FileName(file)
p.P(`func Test`, localName, `Description(t *`, testingPkg.Use(), `.T) {`)
p.In()
p.P(localName, `Description()`)
p.Out()
p.P(`}`)
}
return used
}
func (p *plugin) Generate(file *generator.FileDescriptor) {
used := false
localName := generator.FileName(file)
p.PluginImports = generator.NewPluginImports(p.Generator)
descriptorPkg := p.NewImport("limbo.services/protobuf/protoc-gen-gogo/descriptor")
protoPkg := p.NewImport("limbo.services/protobuf/proto")
gzipPkg := p.NewImport("compress/gzip")
bytesPkg := p.NewImport("bytes")
ioutilPkg := p.NewImport("io/ioutil")
for _, message := range file.Messages() {
if !gogoproto.HasDescription(file.FileDescriptorProto, message.DescriptorProto) {
continue
}
if message.DescriptorProto.GetOptions().GetMapEntry() {
continue
}
used = true
ccTypeName := generator.CamelCaseSlice(message.TypeName())
p.P(`func (this *`, ccTypeName, `) Description() (desc *`, descriptorPkg.Use(), `.FileDescriptorSet) {`)
p.In()
p.P(`return `, localName, `Description()`)
p.Out()
p.P(`}`)
}
if used {
p.P(`func `, localName, `Description() (desc *`, descriptorPkg.Use(), `.FileDescriptorSet) {`)
p.In()
//Don't generate SourceCodeInfo, since it will create too much code.
ss := make([]*descriptor.SourceCodeInfo, 0)
for _, f := range p.Generator.AllFiles().GetFile() {
ss = append(ss, f.SourceCodeInfo)
f.SourceCodeInfo = nil
}
b, err := proto.Marshal(p.Generator.AllFiles())
if err != nil {
panic(err)
}
for i, f := range p.Generator.AllFiles().GetFile() {
f.SourceCodeInfo = ss[i]
}
p.P(`d := &`, descriptorPkg.Use(), `.FileDescriptorSet{}`)
var buf bytes.Buffer
w, _ := gzip.NewWriterLevel(&buf, gzip.BestCompression)
w.Write(b)
w.Close()
b = buf.Bytes()
p.P("var gzipped = []byte{")
p.In()
p.P("// ", len(b), " bytes of a gzipped FileDescriptorSet")
for len(b) > 0 {
n := 16
if n > len(b) {
n = len(b)
}
s := ""
for _, c := range b[:n] {
s += fmt.Sprintf("0x%02x,", c)
}
p.P(s)
b = b[n:]
}
p.Out()
p.P("}")
p.P(`r := `, bytesPkg.Use(), `.NewReader(gzipped)`)
p.P(`gzipr, err := `, gzipPkg.Use(), `.NewReader(r)`)
p.P(`if err != nil {`)
p.In()
p.P(`panic(err)`)
p.Out()
p.P(`}`)
p.P(`ungzipped, err := `, ioutilPkg.Use(), `.ReadAll(gzipr)`)
p.P(`if err != nil {`)
p.In()
p.P(`panic(err)`)
p.Out()
p.P(`}`)
p.P(`if err := `, protoPkg.Use(), `.Unmarshal(ungzipped, d); err != nil {`)
p.In()
p.P(`panic(err)`)
p.Out()
p.P(`}`)
p.P(`return d`)
p.Out()
p.P(`}`)
}
}