func byteToValueString(b []byte, lastReadIndex int, t FieldDescriptorProto_Type) (string, int) {
var val string
// All the types of options
switch t {
case FieldDescriptorProto_TYPE_BOOL:
d, _ := proto.DecodeVarint(b[lastReadIndex:])
if int(d) == 1 {
val = "true"
} else {
val = "false"
}
lastReadIndex += 1
case FieldDescriptorProto_TYPE_UINT32, FieldDescriptorProto_TYPE_INT32, FieldDescriptorProto_TYPE_UINT64, FieldDescriptorProto_TYPE_INT64:
d, m := proto.DecodeVarint(b[lastReadIndex:])
lastReadIndex += m
//fmt.Printf("m: %v\n", m)
val = fmt.Sprintf("%v", d)
case FieldDescriptorProto_TYPE_FLOAT, FieldDescriptorProto_TYPE_SFIXED32, FieldDescriptorProto_TYPE_FIXED32:
var f float32
binary.Read(bytes.NewBuffer(b[lastReadIndex:]), binary.LittleEndian, &f)
lastReadIndex += 1
val = fmt.Sprintf("%v", f)
case FieldDescriptorProto_TYPE_DOUBLE, FieldDescriptorProto_TYPE_SFIXED64, FieldDescriptorProto_TYPE_FIXED64:
var f float64
binary.Read(bytes.NewBuffer(b[lastReadIndex:]), binary.LittleEndian, &f)
lastReadIndex += 1
val = fmt.Sprintf("%v", f)
case FieldDescriptorProto_TYPE_STRING:
l, n := proto.DecodeVarint(b[lastReadIndex:])
lastReadIndex += n
val = `"` + string(b[lastReadIndex:lastReadIndex+int(l)]) + `"`
lastReadIndex += int(l)
}
return val, lastReadIndex
}
func getFormattedOptionsFromExtensionMap(extensionMap map[int32]proto.Extension, depth int, fieldOption bool, pathIncludingParent string) string {
var s []string
counter := 0
if len(extensionMap) > 0 {
commentsIndex := 0
for optInd := range extensionMap {
// Loop through all imported files
for _, curFile := range allFiles {
extensions := curFile.GetExtension()
// Loop through extensions in the FileDescriptorProto
for _, ext := range extensions {
if ext.GetNumber() == optInd {
bytes, _ := proto.GetRawExtension(extensionMap, optInd)
key, n := proto.DecodeVarint(bytes)
wt := key & 0x7
var val string
// Enums are special
if ext.GetType() == FieldDescriptorProto_TYPE_ENUM {
// Loop through enums to find right one
for _, myEnum := range curFile.GetEnumType() {
if myEnum.GetName() == getLastWordFromPath(ext.GetTypeName(), ".") {
for _, enumVal := range myEnum.GetValue() {
d, _ := proto.DecodeVarint(bytes[n:])
if uint64(enumVal.GetNumber()) == d {
val = enumVal.GetName()
}
}
}
}
s = append(s, LeadingComments(fmt.Sprintf("%s,%d,%d", pathIncludingParent, 999, commentsIndex), depth+1))
if !fieldOption {
s = append(s, getIndentation(depth+1))
s = append(s, `option (`)
} else {
if counter >= 1 {
s = append(s, ", ")
}
s = append(s, `(`)
}
if curFile.GetName() != currentFile.GetName() && len(curFile.GetPackage()) > 0 {
s = append(s, curFile.GetPackage())
s = append(s, ".")
}
s = append(s, ext.GetName())
s = append(s, ") = ")
s = append(s, val)
if !fieldOption {
s = append(s, ";\n")
}
comm := TrailingComments(fmt.Sprintf("%s,%d,%d", pathIncludingParent, 999, commentsIndex), depth+1)
if len(comm) > 0 {
s = append(s, comm)
if counter < len(extensionMap)-1 {
s = append(s, "\n")
}
}
commentsIndex += 1
counter += 1
} else if wt == 2 && ext.GetType() != FieldDescriptorProto_TYPE_STRING { // Messages are special (for method options)
payload, m := proto.DecodeVarint(bytes[n:])
n += m
//fmt.Printf("payload: %v\n", payload)
for ind := uint64(0); ind < payload-1; ind += 1 {
firstInt, a := proto.DecodeVarint(bytes[n:])
n += a
wiretype := firstInt & 0x7
var packType FieldDescriptorProto_Type
switch wiretype {
case 0:
packType = FieldDescriptorProto_TYPE_INT32
case 1:
packType = FieldDescriptorProto_TYPE_FIXED64
case 2:
packType = FieldDescriptorProto_TYPE_STRING
case 5:
packType = FieldDescriptorProto_TYPE_FIXED32
}
packVal, b := byteToValueString(bytes, n, packType)
n += b
//fmt.Printf("%v\n", packVal)
if ext.GetType() == FieldDescriptorProto_TYPE_MESSAGE {
tagNum := firstInt >> 3
//fmt.Printf("tagnum: %v\n", tagNum)
// Loop through messages to find right one
myMessage := curFile.GetMessage(getLastWordFromPath(ext.GetTypeName(), "."))
//fmt.Println(myMessage.GetName())
for _, field := range myMessage.GetField() {
if uint64(field.GetNumber()) == tagNum {
val = `.` + field.GetName() + " = " + packVal
}
}
}
s = append(s, LeadingComments(fmt.Sprintf("%s,%d,%d", pathIncludingParent, 999, commentsIndex), depth+1))
if !fieldOption {
s = append(s, getIndentation(depth+1))
s = append(s, `option (`)
} else {
if counter >= 1 {
s = append(s, ", ")
}
s = append(s, `(`)
}
if curFile.GetName() != currentFile.GetName() && len(curFile.GetPackage()) > 0 {
s = append(s, curFile.GetPackage())
s = append(s, ".")
}
s = append(s, ext.GetName())
s = append(s, ")")
s = append(s, val)
if !fieldOption {
s = append(s, ";\n")
}
comm := TrailingComments(fmt.Sprintf("%s,%d,%d", pathIncludingParent, 999, commentsIndex), depth+1)
if len(comm) > 0 {
s = append(s, comm)
if counter < len(extensionMap) {
s = append(s, "\n")
}
}
commentsIndex += 1
counter += 1
}
} else {
val, _ = byteToValueString(bytes, n, ext.GetType())
s = append(s, LeadingComments(fmt.Sprintf("%s,%d,%d", pathIncludingParent, 999, commentsIndex), depth+1))
if !fieldOption {
s = append(s, getIndentation(depth+1))
s = append(s, `option (`)
} else {
if counter >= 1 {
s = append(s, ", ")
}
s = append(s, `(`)
}
if curFile.GetName() != currentFile.GetName() && len(curFile.GetPackage()) > 0 {
s = append(s, curFile.GetPackage())
s = append(s, ".")
}
s = append(s, ext.GetName())
s = append(s, ") = ")
s = append(s, val)
if !fieldOption {
s = append(s, ";\n")
}
comm := TrailingComments(fmt.Sprintf("%s,%d,%d", pathIncludingParent, 999, commentsIndex), depth+1)
if len(comm) > 0 {
s = append(s, comm)
if counter < len(extensionMap) {
s = append(s, "\n")
}
}
commentsIndex += 1
counter += 1
}
}
}
}
}
}
return strings.Join(s, "")
}