| // Copyright 2019 CUE Authors |
| // |
| // 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 protobuf_test |
| |
| import ( |
| "fmt" |
| "log" |
| "os" |
| "path/filepath" |
| |
| "cuelang.org/go/cue/format" |
| "cuelang.org/go/encoding/protobuf" |
| ) |
| |
| func ExampleExtract() { |
| cwd, _ := os.Getwd() |
| var paths = []string{} |
| paths = append(paths, cwd) |
| paths = append(paths, filepath.Join(cwd, "testdata")) |
| |
| f, err := protobuf.Extract("examples/basic/basic.proto", nil, &protobuf.Config{ |
| Paths: paths, |
| }) |
| |
| if err != nil { |
| log.Fatal(err, "") |
| } |
| |
| b, _ := format.Node(f) |
| fmt.Println(string(b)) |
| |
| // Output: |
| // // Package basic is just that: basic. |
| // package basic |
| // |
| // // This is my type. |
| // #MyType: { |
| // stringValue?: string @protobuf(1,string,name=string_value) // just any 'ole string |
| // |
| // // A method must start with a capital letter. |
| // method?: [...string] @protobuf(2,string) |
| // method?: [...=~"^[A-Z]"] |
| // exampleMap?: { |
| // [string]: string |
| // } @protobuf(3,map[string]string,example_map) |
| // } |
| } |