mirror of
https://github.com/octoleo/syncthing.git
synced 2024-11-06 05:17:49 +00:00
209e68c1ba
Also adds idle time and keepalive parameters because how this is configured has changed in the new package version. The values are those that seems like might already be default, if keep-alives were enabled, which is not obvious from the doc comments. Also, Go 1.19 gofmt reformatting of comments.
314 lines
9.1 KiB
Go
314 lines
9.1 KiB
Go
// Copyright (C) 2020 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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//go:build ignore
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// +build ignore
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package main
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import (
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"fmt"
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"path/filepath"
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"strings"
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"unicode"
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"github.com/syncthing/syncthing/proto/ext"
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"github.com/gogo/protobuf/gogoproto"
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"github.com/gogo/protobuf/proto"
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"github.com/gogo/protobuf/protoc-gen-gogo/descriptor"
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"github.com/gogo/protobuf/vanity"
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"github.com/gogo/protobuf/vanity/command"
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)
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func main() {
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req := command.Read()
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files := req.GetProtoFile()
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files = vanity.FilterFiles(files, vanity.NotGoogleProtobufDescriptorProto)
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vanity.ForEachFile(files, vanity.TurnOffGoGettersAll)
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vanity.ForEachFile(files, TurnOnProtoSizerAll)
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vanity.ForEachFile(files, vanity.TurnOffGoEnumPrefixAll)
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vanity.ForEachFile(files, vanity.TurnOffGoUnrecognizedAll)
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vanity.ForEachFile(files, vanity.TurnOffGoUnkeyedAll)
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vanity.ForEachFile(files, vanity.TurnOffGoSizecacheAll)
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vanity.ForEachFile(files, vanity.TurnOnMarshalerAll)
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vanity.ForEachFile(files, vanity.TurnOnUnmarshalerAll)
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vanity.ForEachEnumInFiles(files, HandleCustomEnumExtensions)
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vanity.ForEachFile(files, SetPackagePrefix("github.com/syncthing/syncthing"))
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vanity.ForEachFile(files, HandleFile)
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vanity.ForEachFieldInFilesExcludingExtensions(files, TurnOffNullableForMessages)
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resp := command.Generate(req)
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command.Write(resp)
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}
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func TurnOnProtoSizerAll(file *descriptor.FileDescriptorProto) {
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vanity.SetBoolFileOption(gogoproto.E_ProtosizerAll, true)(file)
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}
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func TurnOffNullableForMessages(field *descriptor.FieldDescriptorProto) {
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if !vanity.FieldHasBoolExtension(field, gogoproto.E_Nullable) {
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_, hasCustomType := GetFieldStringExtension(field, gogoproto.E_Customtype)
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if field.IsMessage() || hasCustomType {
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vanity.SetBoolFieldOption(gogoproto.E_Nullable, false)(field)
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}
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}
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}
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func HandleCustomEnumExtensions(enum *descriptor.EnumDescriptorProto) {
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for _, field := range enum.Value {
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if field == nil {
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continue
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}
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if field.Options == nil {
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field.Options = &descriptor.EnumValueOptions{}
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}
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customName := gogoproto.GetEnumValueCustomName(field)
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if customName != "" {
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continue
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}
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if v, ok := GetEnumValueStringExtension(field, ext.E_Enumgoname); ok {
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SetEnumValueStringFieldOption(field, gogoproto.E_EnumvalueCustomname, v)
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} else {
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SetEnumValueStringFieldOption(field, gogoproto.E_EnumvalueCustomname, toCamelCase(*field.Name, true))
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}
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}
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}
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func SetPackagePrefix(prefix string) func(file *descriptor.FileDescriptorProto) {
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return func(file *descriptor.FileDescriptorProto) {
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if file.Options.GoPackage == nil {
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pkg, _ := filepath.Split(file.GetName())
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fullPkg := prefix + "/" + strings.TrimSuffix(pkg, "/")
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file.Options.GoPackage = &fullPkg
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}
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}
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}
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func toCamelCase(input string, firstUpper bool) string {
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runes := []rune(strings.ToLower(input))
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outputRunes := make([]rune, 0, len(runes))
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nextUpper := false
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for i, rune := range runes {
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if rune == '_' {
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nextUpper = true
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continue
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}
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if (firstUpper && i == 0) || nextUpper {
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rune = unicode.ToUpper(rune)
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nextUpper = false
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}
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outputRunes = append(outputRunes, rune)
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}
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return string(outputRunes)
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}
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func SetStringFieldOption(field *descriptor.FieldDescriptorProto, extension *proto.ExtensionDesc, value string) {
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if _, ok := GetFieldStringExtension(field, extension); ok {
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return
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}
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if field.Options == nil {
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field.Options = &descriptor.FieldOptions{}
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}
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if err := proto.SetExtension(field.Options, extension, &value); err != nil {
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panic(err)
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}
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}
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func SetEnumValueStringFieldOption(field *descriptor.EnumValueDescriptorProto, extension *proto.ExtensionDesc, value string) {
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if _, ok := GetEnumValueStringExtension(field, extension); ok {
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return
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}
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if field.Options == nil {
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field.Options = &descriptor.EnumValueOptions{}
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}
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if err := proto.SetExtension(field.Options, extension, &value); err != nil {
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panic(err)
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}
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}
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func GetEnumValueStringExtension(enumValue *descriptor.EnumValueDescriptorProto, extension *proto.ExtensionDesc) (string, bool) {
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if enumValue.Options == nil {
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return "", false
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}
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value, err := proto.GetExtension(enumValue.Options, extension)
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if err != nil {
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return "", false
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}
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if value == nil {
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return "", false
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}
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if v, ok := value.(*string); !ok || v == nil {
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return "", false
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} else {
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return *v, true
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}
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}
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func GetFieldStringExtension(field *descriptor.FieldDescriptorProto, extension *proto.ExtensionDesc) (string, bool) {
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if field.Options == nil {
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return "", false
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}
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value, err := proto.GetExtension(field.Options, extension)
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if err != nil {
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return "", false
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}
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if value == nil {
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return "", false
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}
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if v, ok := value.(*string); !ok || v == nil {
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return "", false
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} else {
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return *v, true
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}
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}
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func GetFieldBooleanExtension(field *descriptor.FieldDescriptorProto, extension *proto.ExtensionDesc) (bool, bool) {
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if field.Options == nil {
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return false, false
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}
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value, err := proto.GetExtension(field.Options, extension)
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if err != nil {
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return false, false
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}
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if value == nil {
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return false, false
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}
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if v, ok := value.(*bool); !ok || v == nil {
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return false, false
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} else {
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return *v, true
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}
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}
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func GetMessageBoolExtension(msg *descriptor.DescriptorProto, extension *proto.ExtensionDesc) (bool, bool) {
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if msg.Options == nil {
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return false, false
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}
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value, err := proto.GetExtension(msg.Options, extension)
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if err != nil {
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return false, false
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}
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if value == nil {
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return false, false
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}
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val, ok := value.(*bool)
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if !ok || val == nil {
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return false, false
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}
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return *val, true
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}
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func HandleFile(file *descriptor.FileDescriptorProto) {
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vanity.ForEachMessageInFiles([]*descriptor.FileDescriptorProto{file}, HandleCustomExtensions(file))
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}
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func HandleCustomExtensions(file *descriptor.FileDescriptorProto) func(msg *descriptor.DescriptorProto) {
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return func(msg *descriptor.DescriptorProto) {
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generateXmlTags := true
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if generate, ok := GetMessageBoolExtension(msg, ext.E_XmlTags); ok {
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generateXmlTags = generate
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}
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vanity.ForEachField([]*descriptor.DescriptorProto{msg}, func(field *descriptor.FieldDescriptorProto) {
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if field.Options == nil {
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field.Options = &descriptor.FieldOptions{}
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}
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deprecated := field.Options.Deprecated != nil && *field.Options.Deprecated == true
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if field.Type != nil && *field.Type == descriptor.FieldDescriptorProto_TYPE_INT32 {
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SetStringFieldOption(field, gogoproto.E_Casttype, "int")
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}
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if field.TypeName != nil && *field.TypeName == ".google.protobuf.Timestamp" {
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vanity.SetBoolFieldOption(gogoproto.E_Stdtime, true)(field)
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}
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if goName, ok := GetFieldStringExtension(field, ext.E_Goname); ok {
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SetStringFieldOption(field, gogoproto.E_Customname, goName)
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} else if deprecated {
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SetStringFieldOption(field, gogoproto.E_Customname, "Deprecated"+toCamelCase(*field.Name, true))
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}
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if goType, ok := GetFieldStringExtension(field, ext.E_Gotype); ok {
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SetStringFieldOption(field, gogoproto.E_Customtype, goType)
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}
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if val, ok := GetFieldBooleanExtension(field, ext.E_DeviceId); ok && val {
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if *file.Options.GoPackage != "github.com/syncthing/syncthing/lib/protocol" {
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SetStringFieldOption(field, gogoproto.E_Customtype, "github.com/syncthing/syncthing/lib/protocol.DeviceID")
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} else {
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SetStringFieldOption(field, gogoproto.E_Customtype, "DeviceID")
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}
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}
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if jsonValue, ok := GetFieldStringExtension(field, ext.E_Json); ok {
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SetStringFieldOption(field, gogoproto.E_Jsontag, jsonValue)
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} else if deprecated {
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SetStringFieldOption(field, gogoproto.E_Jsontag, "-")
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} else {
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SetStringFieldOption(field, gogoproto.E_Jsontag, toCamelCase(*field.Name, false))
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}
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current := ""
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if v, ok := GetFieldStringExtension(field, gogoproto.E_Moretags); ok {
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current = v
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}
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if generateXmlTags {
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if len(current) > 0 {
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current += " "
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}
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if xmlValue, ok := GetFieldStringExtension(field, ext.E_Xml); ok {
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current += fmt.Sprintf(`xml:"%s"`, xmlValue)
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} else {
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xmlValue = toCamelCase(*field.Name, false)
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// XML dictates element name within the collection, not collection name, so trim plural suffix.
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if field.IsRepeated() {
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if strings.HasSuffix(xmlValue, "ses") {
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// addresses -> address
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xmlValue = strings.TrimSuffix(xmlValue, "es")
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} else {
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// devices -> device
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xmlValue = strings.TrimSuffix(xmlValue, "s")
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}
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}
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if deprecated {
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xmlValue += ",omitempty"
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}
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current += fmt.Sprintf(`xml:"%s"`, xmlValue)
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}
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}
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if defaultValue, ok := GetFieldStringExtension(field, ext.E_Default); ok {
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if len(current) > 0 {
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current += " "
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}
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current += fmt.Sprintf(`default:"%s"`, defaultValue)
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}
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if nodefaultValue, ok := GetFieldBooleanExtension(field, ext.E_Nodefault); ok {
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if len(current) > 0 {
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current += " "
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}
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current += fmt.Sprintf(`nodefault:"%t"`, nodefaultValue)
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}
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if restartValue, ok := GetFieldBooleanExtension(field, ext.E_Restart); ok {
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if len(current) > 0 {
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current += " "
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}
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current += fmt.Sprintf(`restart:"%t"`, restartValue)
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}
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SetStringFieldOption(field, gogoproto.E_Moretags, current)
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})
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}
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}
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