mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-09-20 07:29:50 +00:00
120 lines
3.0 KiB
Go
120 lines
3.0 KiB
Go
// Copyright 2017 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"fmt"
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"strings"
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"github.com/googleapis/gnostic/printer"
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)
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// ProtoOption represents an option to be added to generated .proto files.
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type ProtoOption struct {
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Name string
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Value string
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Comment string
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}
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func (domain *Domain) generateProto(packageName string, license string, options []ProtoOption, imports []string) string {
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code := &printer.Code{}
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code.Print(license)
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code.Print("// THIS FILE IS AUTOMATICALLY GENERATED.")
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code.Print()
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code.Print("syntax = \"proto3\";")
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code.Print()
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code.Print("package " + packageName + ";")
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for _, importString := range imports {
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code.Print()
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code.Print("import \"" + importString + "\";")
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}
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code.Print()
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// generate option declarations
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for _, option := range options {
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commentLines := strings.Split(option.Comment, "\n")
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for _, commentLine := range commentLines {
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code.Print(commentLine)
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}
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line := "option " + option.Name + " = "
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if option.Value == "true" || option.Value == "false" {
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line += option.Value
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} else {
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line += "\"" + option.Value + "\""
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}
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line += ";\n"
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code.Print(line)
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}
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// generate message definitions
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typeNames := domain.sortedTypeNames()
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for _, typeName := range typeNames {
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typeModel := domain.TypeModels[typeName]
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if typeModel.Description != "" {
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code.Print("// %s", typeModel.Description)
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}
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code.Print("message %s {", typeName)
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code.Indent()
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if typeModel.OneOfWrapper {
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code.Print("oneof oneof {")
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code.Indent()
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}
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var fieldNumber = 0
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for _, propertyModel := range typeModel.Properties {
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if propertyModel.Description != "" {
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code.Print("// %s", propertyModel.Description)
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}
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propertyName := propertyModel.Name
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fieldNumber++
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propertyType := propertyModel.Type
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if propertyType == "int" {
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propertyType = "int64"
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}
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if propertyType == "float" {
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propertyType = "double"
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}
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// TODO may be remove this.
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if propertyType == "blob" {
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propertyType = "string"
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}
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var displayName = propertyName
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if displayName == "$ref" {
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displayName = "_ref"
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}
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if displayName == "$schema" {
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displayName = "_schema"
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}
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displayName = camelCaseToSnakeCase(displayName)
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var line = fmt.Sprintf("%s %s = %d;", propertyType, displayName, fieldNumber)
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if propertyModel.Repeated {
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line = "repeated " + line
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}
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code.Print(line)
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}
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if typeModel.OneOfWrapper {
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code.Outdent()
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code.Print("}")
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}
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code.Outdent()
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code.Print("}")
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code.Print()
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}
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return code.String()
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}
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