diff options
Diffstat (limited to 'vendor/github.com/googleapis/gnostic/compiler/extension-handler.go')
-rw-r--r-- | vendor/github.com/googleapis/gnostic/compiler/extension-handler.go | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/vendor/github.com/googleapis/gnostic/compiler/extension-handler.go b/vendor/github.com/googleapis/gnostic/compiler/extension-handler.go deleted file mode 100644 index 1f85b650e..000000000 --- a/vendor/github.com/googleapis/gnostic/compiler/extension-handler.go +++ /dev/null @@ -1,101 +0,0 @@ -// 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 compiler - -import ( - "bytes" - "fmt" - "os/exec" - - "strings" - - "errors" - - "github.com/golang/protobuf/proto" - "github.com/golang/protobuf/ptypes/any" - ext_plugin "github.com/googleapis/gnostic/extensions" - yaml "gopkg.in/yaml.v2" -) - -// ExtensionHandler describes a binary that is called by the compiler to handle specification extensions. -type ExtensionHandler struct { - Name string -} - -// HandleExtension calls a binary extension handler. -func HandleExtension(context *Context, in interface{}, extensionName string) (bool, *any.Any, error) { - handled := false - var errFromPlugin error - var outFromPlugin *any.Any - - if context != nil && context.ExtensionHandlers != nil && len(*(context.ExtensionHandlers)) != 0 { - for _, customAnyProtoGenerator := range *(context.ExtensionHandlers) { - outFromPlugin, errFromPlugin = customAnyProtoGenerator.handle(in, extensionName) - if outFromPlugin == nil { - continue - } else { - handled = true - break - } - } - } - return handled, outFromPlugin, errFromPlugin -} - -func (extensionHandlers *ExtensionHandler) handle(in interface{}, extensionName string) (*any.Any, error) { - if extensionHandlers.Name != "" { - binary, _ := yaml.Marshal(in) - - request := &ext_plugin.ExtensionHandlerRequest{} - - version := &ext_plugin.Version{} - version.Major = 0 - version.Minor = 1 - version.Patch = 0 - request.CompilerVersion = version - - request.Wrapper = &ext_plugin.Wrapper{} - - request.Wrapper.Version = "v2" - request.Wrapper.Yaml = string(binary) - request.Wrapper.ExtensionName = extensionName - - requestBytes, _ := proto.Marshal(request) - cmd := exec.Command(extensionHandlers.Name) - cmd.Stdin = bytes.NewReader(requestBytes) - output, err := cmd.Output() - - if err != nil { - fmt.Printf("Error: %+v\n", err) - return nil, err - } - response := &ext_plugin.ExtensionHandlerResponse{} - err = proto.Unmarshal(output, response) - if err != nil { - fmt.Printf("Error: %+v\n", err) - fmt.Printf("%s\n", string(output)) - return nil, err - } - if !response.Handled { - return nil, nil - } - if len(response.Error) != 0 { - message := fmt.Sprintf("Errors when parsing: %+v for field %s by vendor extension handler %s. Details %+v", in, extensionName, extensionHandlers.Name, strings.Join(response.Error, ",")) - return nil, errors.New(message) - } - return response.Value, nil - } - return nil, nil -} |