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Merge pull request #140 from moul/dev/moul/message-options

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feat: add message option helpers
This commit is contained in:
Manfred Touron 2019-02-08 19:12:27 +01:00 committed by GitHub
commit be3a88a34a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 108 additions and 0 deletions
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108
helpers/helpers.go
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@ -146,10 +146,13 @@ var ProtoHelpersFuncMap = template.FuncMap{
"leadingComment": leadingComment,
"trailingComment": trailingComment,
"leadingDetachedComments": leadingDetachedComments,
"stringMessageExtension": stringMessageExtension,
"stringFieldExtension": stringFieldExtension,
"int64FieldExtension": int64FieldExtension,
"int64MessageExtension": int64MessageExtension,
"stringMethodOptionsExtension": stringMethodOptionsExtension,
"boolMethodOptionsExtension": boolMethodOptionsExtension,
"boolMessageExtension": boolMessageExtension,
"boolFieldExtension": boolFieldExtension,
"isFieldMap": isFieldMap,
"fieldMapKeyType": fieldMapKeyType,
@ -413,6 +416,76 @@ func int64FieldExtension(fieldID int32, f *descriptor.FieldDescriptorProto) int6
return *i
}
func int64MessageExtension(fieldID int32, f *descriptor.DescriptorProto) int64 {
if f == nil {
return 0
}
if f.Options == nil {
return 0
}
var extendedType *descriptor.MessageOptions
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 0
}
i, ok := ext.(*int64)
if !ok {
return 0
}
return *i
}
func stringMessageExtension(fieldID int32, f *descriptor.DescriptorProto) string {
if f == nil {
return ""
}
if f.Options == nil {
return ""
}
var extendedType *descriptor.MessageOptions
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 boolMethodOptionsExtension(fieldID int32, f *descriptor.MethodDescriptorProto) bool {
if f == nil {
return false
@ -483,6 +556,41 @@ func boolFieldExtension(fieldID int32, f *descriptor.FieldDescriptorProto) bool
return *b
}
func boolMessageExtension(fieldID int32, f *descriptor.DescriptorProto) bool {
if f == nil {
return false
}
if f.Options == nil {
return false
}
var extendedType *descriptor.MessageOptions
var extensionType *bool
eds := proto.RegisteredExtensions(f.Options)
if eds[fieldID] == nil {
ed := &proto.ExtensionDesc{
ExtendedType: extendedType,
ExtensionType: extensionType,
Field: fieldID,
Tag: fmt.Sprintf("varint,%d", fieldID),
}
proto.RegisterExtension(ed)
eds = proto.RegisteredExtensions(f.Options)
}
ext, err := proto.GetExtension(f.Options, eds[fieldID])
if err != nil {
return false
}
b, ok := ext.(*bool)
if !ok {
return false
}
return *b
}
func init() {
for k, v := range sprig.TxtFuncMap() {
ProtoHelpersFuncMap[k] = v