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authorWim <wim@42.be>2017-06-22 01:00:27 +0200
committerWim <wim@42.be>2017-06-22 01:00:27 +0200
commit1f914618538920db4bfec7b106ee97038b157c9b (patch)
tree6bd0ab107fe1673dbacdf9dfd10004289cd7bfab /vendor/github.com/Philipp15b/go-steam/generator/generator.go
parent1f9874102aaca09ce5e0289beff376c307b8c57b (diff)
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Add vendor (steam)
Diffstat (limited to 'vendor/github.com/Philipp15b/go-steam/generator/generator.go')
-rw-r--r--vendor/github.com/Philipp15b/go-steam/generator/generator.go295
1 files changed, 295 insertions, 0 deletions
diff --git a/vendor/github.com/Philipp15b/go-steam/generator/generator.go b/vendor/github.com/Philipp15b/go-steam/generator/generator.go
new file mode 100644
index 00000000..40522de7
--- /dev/null
+++ b/vendor/github.com/Philipp15b/go-steam/generator/generator.go
@@ -0,0 +1,295 @@
+/*
+This program generates the protobuf and SteamLanguage files from the SteamKit data.
+*/
+package main
+
+import (
+ "bytes"
+ "fmt"
+ "go/ast"
+ "go/parser"
+ "go/token"
+ "io"
+ "io/ioutil"
+ "os"
+ "os/exec"
+ "path/filepath"
+ "regexp"
+ "runtime"
+ "strings"
+)
+
+var printCommands = false
+
+func main() {
+ args := strings.Join(os.Args[1:], " ")
+
+ found := false
+ if strings.Contains(args, "clean") {
+ clean()
+ found = true
+ }
+ if strings.Contains(args, "steamlang") {
+ buildSteamLanguage()
+ found = true
+ }
+ if strings.Contains(args, "proto") {
+ buildProto()
+ found = true
+ }
+
+ if !found {
+ os.Stderr.WriteString("Invalid target!\nAvailable targets: clean, proto, steamlang\n")
+ os.Exit(1)
+ }
+}
+
+func clean() {
+ print("# Cleaning")
+ cleanGlob("../protocol/**/*.pb.go")
+ cleanGlob("../tf2/protocol/**/*.pb.go")
+ cleanGlob("../dota/protocol/**/*.pb.go")
+
+ os.Remove("../protocol/steamlang/enums.go")
+ os.Remove("../protocol/steamlang/messages.go")
+}
+
+func cleanGlob(pattern string) {
+ protos, _ := filepath.Glob(pattern)
+ for _, proto := range protos {
+ err := os.Remove(proto)
+ if err != nil {
+ panic(err)
+ }
+ }
+}
+
+func buildSteamLanguage() {
+ print("# Building Steam Language")
+ exePath := "./GoSteamLanguageGenerator/bin/Debug/GoSteamLanguageGenerator.exe"
+
+ if runtime.GOOS != "windows" {
+ execute("mono", exePath, "./SteamKit", "../protocol/steamlang")
+ } else {
+ execute(exePath, "./SteamKit", "../protocol/steamlang")
+ }
+ execute("gofmt", "-w", "../protocol/steamlang/enums.go", "../protocol/steamlang/messages.go")
+}
+
+func buildProto() {
+ print("# Building Protobufs")
+
+ buildProtoMap("steamclient", clientProtoFiles, "../protocol/protobuf")
+ buildProtoMap("tf", tf2ProtoFiles, "../tf2/protocol/protobuf")
+ buildProtoMap("dota", dotaProtoFiles, "../dota/protocol/protobuf")
+}
+
+func buildProtoMap(srcSubdir string, files map[string]string, outDir string) {
+ os.MkdirAll(outDir, os.ModePerm)
+ for proto, out := range files {
+ full := filepath.Join(outDir, out)
+ compileProto("SteamKit/Resources/Protobufs", srcSubdir, proto, full)
+ fixProto(full)
+ }
+}
+
+// Maps the proto files to their target files.
+// See `SteamKit/Resources/Protobufs/steamclient/generate-base.bat` for reference.
+var clientProtoFiles = map[string]string{
+ "steammessages_base.proto": "base.pb.go",
+ "encrypted_app_ticket.proto": "app_ticket.pb.go",
+
+ "steammessages_clientserver.proto": "client_server.pb.go",
+ "steammessages_clientserver_2.proto": "client_server_2.pb.go",
+
+ "content_manifest.proto": "content_manifest.pb.go",
+
+ "steammessages_unified_base.steamclient.proto": "unified/base.pb.go",
+ "steammessages_cloud.steamclient.proto": "unified/cloud.pb.go",
+ "steammessages_credentials.steamclient.proto": "unified/credentials.pb.go",
+ "steammessages_deviceauth.steamclient.proto": "unified/deviceauth.pb.go",
+ "steammessages_gamenotifications.steamclient.proto": "unified/gamenotifications.pb.go",
+ "steammessages_offline.steamclient.proto": "unified/offline.pb.go",
+ "steammessages_parental.steamclient.proto": "unified/parental.pb.go",
+ "steammessages_partnerapps.steamclient.proto": "unified/partnerapps.pb.go",
+ "steammessages_player.steamclient.proto": "unified/player.pb.go",
+ "steammessages_publishedfile.steamclient.proto": "unified/publishedfile.pb.go",
+}
+
+var tf2ProtoFiles = map[string]string{
+ "base_gcmessages.proto": "base.pb.go",
+ "econ_gcmessages.proto": "econ.pb.go",
+ "gcsdk_gcmessages.proto": "gcsdk.pb.go",
+ "tf_gcmessages.proto": "tf.pb.go",
+ "gcsystemmsgs.proto": "system.pb.go",
+}
+
+var dotaProtoFiles = map[string]string{
+ "base_gcmessages.proto": "base.pb.go",
+ "econ_gcmessages.proto": "econ.pb.go",
+ "gcsdk_gcmessages.proto": "gcsdk.pb.go",
+ "dota_gcmessages_common.proto": "dota_common.pb.go",
+ "dota_gcmessages_client.proto": "dota_client.pb.go",
+ "dota_gcmessages_client_fantasy.proto": "dota_client_fantasy.pb.go",
+ "gcsystemmsgs.proto": "system.pb.go",
+}
+
+func compileProto(srcBase, srcSubdir, proto, target string) {
+ outDir, _ := filepath.Split(target)
+ err := os.MkdirAll(outDir, os.ModePerm)
+ if err != nil {
+ panic(err)
+ }
+ execute("protoc", "--go_out="+outDir, "-I="+srcBase+"/"+srcSubdir, "-I="+srcBase, filepath.Join(srcBase, srcSubdir, proto))
+ out := strings.Replace(filepath.Join(outDir, proto), ".proto", ".pb.go", 1)
+ err = forceRename(out, target)
+ if err != nil {
+ panic(err)
+ }
+}
+
+func forceRename(from, to string) error {
+ if from != to {
+ os.Remove(to)
+ }
+ return os.Rename(from, to)
+}
+
+var pkgRegex = regexp.MustCompile(`(package \w+)`)
+var pkgCommentRegex = regexp.MustCompile(`(?s)(\/\*.*?\*\/\n)package`)
+var unusedImportCommentRegex = regexp.MustCompile("// discarding unused import .*\n")
+var fileDescriptorVarRegex = regexp.MustCompile(`fileDescriptor\d+`)
+
+func fixProto(path string) {
+ // goprotobuf is really bad at dependencies, so we must fix them manually...
+ // It tries to load each dependency of a file as a seperate package (but in a very, very wrong way).
+ // Because we want some files in the same package, we'll remove those imports to local files.
+
+ file, err := ioutil.ReadFile(path)
+ if err != nil {
+ panic(err)
+ }
+
+ fset := token.NewFileSet()
+ f, err := parser.ParseFile(fset, path, file, parser.ImportsOnly)
+ if err != nil {
+ panic("Error parsing " + path + ": " + err.Error())
+ }
+
+ importsToRemove := make([]*ast.ImportSpec, 0)
+ for _, i := range f.Imports {
+ // We remove all local imports
+ if i.Path.Value == "\".\"" {
+ importsToRemove = append(importsToRemove, i)
+ }
+ }
+
+ for _, itr := range importsToRemove {
+ // remove the package name from all types
+ file = bytes.Replace(file, []byte(itr.Name.Name+"."), []byte{}, -1)
+ // and remove the import itself
+ file = bytes.Replace(file, []byte(fmt.Sprintf("import %v %v\n", itr.Name.Name, itr.Path.Value)), []byte{}, -1)
+ }
+
+ // remove the package comment because it just includes a list of all messages and
+ // collides not only with the other compiled protobuf files, but also our own documentation.
+ file = cutAllSubmatch(pkgCommentRegex, file, 1)
+
+ // remove warnings
+ file = unusedImportCommentRegex.ReplaceAllLiteral(file, []byte{})
+
+ // fix the package name
+ file = pkgRegex.ReplaceAll(file, []byte("package "+inferPackageName(path)))
+
+ // fix the google dependency;
+ // we just reuse the one from protoc-gen-go
+ file = bytes.Replace(file, []byte("google/protobuf"), []byte("github.com/golang/protobuf/protoc-gen-go/descriptor"), -1)
+
+ // we need to prefix local variables created by protoc-gen-go so that they don't clash with others in the same package
+ filename := strings.Split(filepath.Base(path), ".")[0]
+ file = fileDescriptorVarRegex.ReplaceAllFunc(file, func(match []byte) []byte {
+ return []byte(filename + "_" + string(match))
+ })
+
+ err = ioutil.WriteFile(path, file, os.ModePerm)
+ if err != nil {
+ panic(err)
+ }
+}
+
+func inferPackageName(path string) string {
+ pieces := strings.Split(path, string(filepath.Separator))
+ return pieces[len(pieces)-2]
+}
+
+func cutAllSubmatch(r *regexp.Regexp, b []byte, n int) []byte {
+ i := r.FindSubmatchIndex(b)
+ return bytesCut(b, i[2*n], i[2*n+1])
+}
+
+// Removes the given section from the byte array
+func bytesCut(b []byte, from, to int) []byte {
+ buf := new(bytes.Buffer)
+ buf.Write(b[:from])
+ buf.Write(b[to:])
+ return buf.Bytes()
+}
+
+func print(text string) { os.Stdout.WriteString(text + "\n") }
+
+func printerr(text string) { os.Stderr.WriteString(text + "\n") }
+
+// This writer appends a "> " after every newline so that the outpout appears quoted.
+type QuotedWriter struct {
+ w io.Writer
+ started bool
+}
+
+func NewQuotedWriter(w io.Writer) *QuotedWriter {
+ return &QuotedWriter{w, false}
+}
+
+func (w *QuotedWriter) Write(p []byte) (n int, err error) {
+ if !w.started {
+ _, err = w.w.Write([]byte("> "))
+ if err != nil {
+ return n, err
+ }
+ w.started = true
+ }
+
+ for i, c := range p {
+ if c == '\n' {
+ nw, err := w.w.Write(p[n : i+1])
+ n += nw
+ if err != nil {
+ return n, err
+ }
+
+ _, err = w.w.Write([]byte("> "))
+ if err != nil {
+ return n, err
+ }
+ }
+ }
+ if n != len(p) {
+ nw, err := w.w.Write(p[n:len(p)])
+ n += nw
+ return n, err
+ }
+ return
+}
+
+func execute(command string, args ...string) {
+ if printCommands {
+ print(command + " " + strings.Join(args, " "))
+ }
+ cmd := exec.Command(command, args...)
+ cmd.Stdout = NewQuotedWriter(os.Stdout)
+ cmd.Stderr = NewQuotedWriter(os.Stderr)
+ err := cmd.Run()
+ if err != nil {
+ printerr(err.Error())
+ os.Exit(1)
+ }
+}