| /* |
| Copyright 2015 The Kubernetes 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 generator |
| |
| import ( |
| "strings" |
| |
| "github.com/golang/glog" |
| |
| "k8s.io/gengo/namer" |
| "k8s.io/gengo/types" |
| ) |
| |
| func NewImportTracker(typesToAdd ...*types.Type) namer.ImportTracker { |
| tracker := namer.NewDefaultImportTracker(types.Name{}) |
| tracker.IsInvalidType = func(*types.Type) bool { return false } |
| tracker.LocalName = func(name types.Name) string { return golangTrackerLocalName(&tracker, name) } |
| tracker.PrintImport = func(path, name string) string { return name + " \"" + path + "\"" } |
| |
| tracker.AddTypes(typesToAdd...) |
| return &tracker |
| |
| } |
| |
| func golangTrackerLocalName(tracker namer.ImportTracker, t types.Name) string { |
| path := t.Package |
| |
| // Using backslashes in package names causes gengo to produce Go code which |
| // will not compile with the gc compiler. See the comment on GoSeperator. |
| if strings.ContainsRune(path, '\\') { |
| glog.Warningf("Warning: backslash used in import path '%v', this is unsupported.\n", path) |
| } |
| |
| dirs := strings.Split(path, namer.GoSeperator) |
| for n := len(dirs) - 1; n >= 0; n-- { |
| // follow kube convention of not having anything between directory names |
| name := strings.Join(dirs[n:], "") |
| name = strings.Replace(name, "_", "", -1) |
| // These characters commonly appear in import paths for go |
| // packages, but aren't legal go names. So we'll sanitize. |
| name = strings.Replace(name, ".", "", -1) |
| name = strings.Replace(name, "-", "", -1) |
| if _, found := tracker.PathOf(name); found { |
| // This name collides with some other package |
| continue |
| } |
| return name |
| } |
| panic("can't find import for " + path) |
| } |