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Merge pull request #93 from sumup/feature/stringMethodOptionsExtension

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Add stringMethodOptionsExtension
This commit is contained in:
Manfred Touron 2018-02-27 11:02:53 +01:00 committed by GitHub
commit 77a820ea6f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 72 additions and 31 deletions
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103
helpers/helpers.go
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@ -101,37 +101,38 @@ var ProtoHelpersFuncMap = template.FuncMap{
}
return slice.Index(int(i)).Interface()
},
"snakeCase": xstrings.ToSnakeCase,
"getProtoFile": getProtoFile,
"getMessageType": getMessageType,
"getEnumValue": getEnumValue,
"isFieldMessage": isFieldMessage,
"isFieldMessageTimeStamp": isFieldMessageTimeStamp,
"isFieldRepeated": isFieldRepeated,
"haskellType": haskellType,
"goType": goType,
"goZeroValue": goZeroValue,
"goTypeWithPackage": goTypeWithPackage,
"jsType": jsType,
"jsSuffixReserved": jsSuffixReservedKeyword,
"namespacedFlowType": namespacedFlowType,
"httpVerb": httpVerb,
"httpPath": httpPath,
"httpPathsAdditionalBindings": httpPathsAdditionalBindings,
"httpBody": httpBody,
"shortType": shortType,
"urlHasVarsFromMessage": urlHasVarsFromMessage,
"lowerGoNormalize": lowerGoNormalize,
"goNormalize": goNormalize,
"leadingComment": leadingComment,
"trailingComment": trailingComment,
"leadingDetachedComments": leadingDetachedComments,
"stringFieldExtension": stringFieldExtension,
"boolFieldExtension": boolFieldExtension,
"isFieldMap": isFieldMap,
"fieldMapKeyType": fieldMapKeyType,
"fieldMapValueType": fieldMapValueType,
"replaceDict": replaceDict,
"snakeCase": xstrings.ToSnakeCase,
"getProtoFile": getProtoFile,
"getMessageType": getMessageType,
"getEnumValue": getEnumValue,
"isFieldMessage": isFieldMessage,
"isFieldMessageTimeStamp": isFieldMessageTimeStamp,
"isFieldRepeated": isFieldRepeated,
"haskellType": haskellType,
"goType": goType,
"goZeroValue": goZeroValue,
"goTypeWithPackage": goTypeWithPackage,
"jsType": jsType,
"jsSuffixReserved": jsSuffixReservedKeyword,
"namespacedFlowType": namespacedFlowType,
"httpVerb": httpVerb,
"httpPath": httpPath,
"httpPathsAdditionalBindings": httpPathsAdditionalBindings,
"httpBody": httpBody,
"shortType": shortType,
"urlHasVarsFromMessage": urlHasVarsFromMessage,
"lowerGoNormalize": lowerGoNormalize,
"goNormalize": goNormalize,
"leadingComment": leadingComment,
"trailingComment": trailingComment,
"leadingDetachedComments": leadingDetachedComments,
"stringFieldExtension": stringFieldExtension,
"stringMethodOptionsExtension": stringMethodOptionsExtension,
"boolFieldExtension": boolFieldExtension,
"isFieldMap": isFieldMap,
"fieldMapKeyType": fieldMapKeyType,
"fieldMapValueType": fieldMapValueType,
"replaceDict": replaceDict,
}
var pathMap map[interface{}]*descriptor.SourceCodeInfo_Location
@ -234,6 +235,46 @@ func leadingDetachedComments(i interface{}) []string {
return loc.GetLeadingDetachedComments()
}
// stringMethodOptionsExtension extracts method options of a string type.
// To define your own extensions see:
// https://developers.google.com/protocol-buffers/docs/proto#customoptions
// Typically the fieldID of private extensions should be in the range:
// 50000-99999
func stringMethodOptionsExtension(fieldID int32, f *descriptor.MethodDescriptorProto) string {
if f == nil {
return ""
}
if f.Options == nil {
return ""
}
var extendedType *descriptor.MethodOptions
var extensionType *string
eds := proto.RegisteredExtensions(f.Options)
if eds[fieldID] == nil {
ed := &proto.ExtensionDesc{
ExtendedType: extendedType,
ExtensionType: extensionType,
Field: fieldID,
Tag: fmt.Sprintf("bytes,%d", fieldID),
}
proto.RegisterExtension(ed)
eds = proto.RegisteredExtensions(f.Options)
}
ext, err := proto.GetExtension(f.Options, eds[fieldID])
if err != nil {
return ""
}
str, ok := ext.(*string)
if !ok {
return ""
}
return *str
}
func stringFieldExtension(fieldID int32, f *descriptor.FieldDescriptorProto) string {
if f == nil {
return ""