add helpers for openapi document

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

generate.go

@@ -4,11 +4,8 @@ package main
 //go:generate protoc -I. -I./api --go_out=paths=source_relative:. ./api/http.proto
 //go:generate protoc -I. -I./api --go_out=paths=source_relative:. ./api/field_behavior.proto
 //go:generate protoc -I. -I./api --go_out=paths=source_relative:. ./api/httpbody.proto
-<<<<<<< HEAD
 //go:generate protoc -I. -I./api --go_out=paths=source_relative:. ./api/micro.proto
-=======
 //go:generate protoc -I. -I./api --go_out=paths=source_relative:. ./api/client.proto
->>>>>>> 75c244f1a60f (update)
 //go:generate protoc -I. -I./openapiv2 --go_out=paths=source_relative:. ./openapiv2/annotations.proto
 //go:generate protoc -I. -I./openapiv2 --go_out=paths=source_relative:. ./openapiv2/openapiv2.proto
 //go:generate protoc -I. -I./openapiv3 --go_out=paths=source_relative:. ./openapiv3/annotations.proto

openapiv2/document.go

@@ -0,0 +1,42 @@
+// Copyright 2020 Google LLC. 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 openapiv2
+
+import (
+	"gopkg.in/yaml.v3"
+
+	"github.com/google/gnostic/compiler"
+)
+
+// ParseDocument reads an OpenAPI v2 description from a YAML/JSON representation.
+func ParseDocument(b []byte) (*Document, error) {
+	info, err := compiler.ReadInfoFromBytes("", b)
+	if err != nil {
+		return nil, err
+	}
+	root := info.Content[0]
+	return NewDocument(root, compiler.NewContextWithExtensions("$root", root, nil, nil))
+}
+
+// YAMLValue produces a serialized YAML representation of the document.
+func (d *Document) YAMLValue(comment string) ([]byte, error) {
+	rawInfo := d.ToRawInfo()
+	rawInfo = &yaml.Node{
+		Kind:        yaml.DocumentNode,
+		Content:     []*yaml.Node{rawInfo},
+		HeadComment: comment,
+	}
+	return yaml.Marshal(rawInfo)
+}

openapiv2/openapiv2.go

@@ -1,3 +1,4 @@
+package openapiv2 // import "go.unistack.org/micro-proto/v3/openapiv2"
 // Copyright 2020 Google LLC. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
@@ -14,8 +15,6 @@
 
 // THIS FILE IS AUTOMATICALLY GENERATED.
 
-package openapiv2
-
 import (
 	"fmt"
 	"regexp"

openapiv2/openapiv2.proto

@@ -663,3 +663,4 @@ message Xml {
   bool wrapped = 5;
   repeated NamedAny vendor_extension = 6;
 }
+

openapiv3/document.go

@@ -0,0 +1,42 @@
+// Copyright 2020 Google LLC. 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 openapiv3
+
+import (
+	"gopkg.in/yaml.v3"
+
+	"github.com/google/gnostic/compiler"
+)
+
+// ParseDocument reads an OpenAPI v3 description from a YAML/JSON representation.
+func ParseDocument(b []byte) (*Document, error) {
+	info, err := compiler.ReadInfoFromBytes("", b)
+	if err != nil {
+		return nil, err
+	}
+	root := info.Content[0]
+	return NewDocument(root, compiler.NewContextWithExtensions("$root", root, nil, nil))
+}
+
+// YAMLValue produces a serialized YAML representation of the document.
+func (d *Document) YAMLValue(comment string) ([]byte, error) {
+	rawInfo := d.ToRawInfo()
+	rawInfo = &yaml.Node{
+		Kind:        yaml.DocumentNode,
+		Content:     []*yaml.Node{rawInfo},
+		HeadComment: comment,
+	}
+	return yaml.Marshal(rawInfo)
+}