| // Copyright 2017 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package main |
| |
| import ( |
| "fmt" |
| "io/ioutil" |
| "os" |
| "path" |
| |
| "github.com/golang/protobuf/proto" |
| ) |
| |
| func usage() string { |
| return fmt.Sprintf(` |
| Usage: %s [OPTIONS] |
| Options: |
| --v2 |
| Generate an OpenAPI v2 description. |
| --v3 |
| Generate an OpenAPI v3 description. |
| `, path.Base(os.Args[0])) |
| } |
| |
| func main() { |
| openAPIv2 := false |
| openAPIv3 := false |
| |
| for i, arg := range os.Args { |
| if i == 0 { |
| continue // skip the tool name |
| } |
| if arg == "--v2" { |
| openAPIv2 = true |
| } else if arg == "--v3" { |
| openAPIv3 = true |
| } else { |
| fmt.Printf("Unknown option: %s.\n%s\n", arg, usage()) |
| os.Exit(-1) |
| } |
| } |
| |
| if !openAPIv2 && !openAPIv3 { |
| openAPIv2 = true |
| } |
| |
| if openAPIv2 { |
| document := buildDocumentV2() |
| bytes, err := proto.Marshal(document) |
| if err != nil { |
| panic(err) |
| } |
| err = ioutil.WriteFile("petstore-v2.pb", bytes, 0644) |
| if err != nil { |
| panic(err) |
| } |
| } |
| |
| if openAPIv3 { |
| document := buildDocumentV3() |
| bytes, err := proto.Marshal(document) |
| if err != nil { |
| panic(err) |
| } |
| err = ioutil.WriteFile("petstore-v3.pb", bytes, 0644) |
| if err != nil { |
| panic(err) |
| } |
| } |
| } |