diff options
Diffstat (limited to 'vendor/github.com/googleapis/gnostic/extensions/extensions.go')
-rw-r--r-- | vendor/github.com/googleapis/gnostic/extensions/extensions.go | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/vendor/github.com/googleapis/gnostic/extensions/extensions.go b/vendor/github.com/googleapis/gnostic/extensions/extensions.go new file mode 100644 index 000000000..94a8e62a7 --- /dev/null +++ b/vendor/github.com/googleapis/gnostic/extensions/extensions.go @@ -0,0 +1,82 @@ +// 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 openapiextension_v1 + +import ( + "fmt" + "io/ioutil" + "os" + + "github.com/golang/protobuf/proto" + "github.com/golang/protobuf/ptypes" +) + +type documentHandler func(version string, extensionName string, document string) +type extensionHandler func(name string, yamlInput string) (bool, proto.Message, error) + +func forInputYamlFromOpenapic(handler documentHandler) { + data, err := ioutil.ReadAll(os.Stdin) + if err != nil { + fmt.Println("File error:", err.Error()) + os.Exit(1) + } + if len(data) == 0 { + fmt.Println("No input data.") + os.Exit(1) + } + request := &ExtensionHandlerRequest{} + err = proto.Unmarshal(data, request) + if err != nil { + fmt.Println("Input error:", err.Error()) + os.Exit(1) + } + handler(request.Wrapper.Version, request.Wrapper.ExtensionName, request.Wrapper.Yaml) +} + +// ProcessExtension calles the handler for a specified extension. +func ProcessExtension(handleExtension extensionHandler) { + response := &ExtensionHandlerResponse{} + forInputYamlFromOpenapic( + func(version string, extensionName string, yamlInput string) { + var newObject proto.Message + var err error + + handled, newObject, err := handleExtension(extensionName, yamlInput) + if !handled { + responseBytes, _ := proto.Marshal(response) + os.Stdout.Write(responseBytes) + os.Exit(0) + } + + // If we reach here, then the extension is handled + response.Handled = true + if err != nil { + response.Error = append(response.Error, err.Error()) + responseBytes, _ := proto.Marshal(response) + os.Stdout.Write(responseBytes) + os.Exit(0) + } + response.Value, err = ptypes.MarshalAny(newObject) + if err != nil { + response.Error = append(response.Error, err.Error()) + responseBytes, _ := proto.Marshal(response) + os.Stdout.Write(responseBytes) + os.Exit(0) + } + }) + + responseBytes, _ := proto.Marshal(response) + os.Stdout.Write(responseBytes) +} |