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Diffstat (limited to 'vendor/github.com/googleapis/gnostic/compiler/extension-handler.go')
-rw-r--r--vendor/github.com/googleapis/gnostic/compiler/extension-handler.go101
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
-}