| /* |
| * Copyright 2020 gRPC 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 data provides convenience routines to access files in the data |
| // directory. |
| package data |
| |
| import ( |
| "path/filepath" |
| "runtime" |
| ) |
| |
| // basepath is the root directory of this package. |
| var basepath string |
| |
| func init() { |
| _, currentFile, _, _ := runtime.Caller(0) |
| basepath = filepath.Dir(currentFile) |
| } |
| |
| // Path returns the absolute path the given relative file or directory path, |
| // relative to the google.golang.org/grpc/examples/data directory in the |
| // user's GOPATH. If rel is already absolute, it is returned unmodified. |
| func Path(rel string) string { |
| if filepath.IsAbs(rel) { |
| return rel |
| } |
| |
| return filepath.Join(basepath, rel) |
| } |