| /* |
| Copyright 2016 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 generators |
| |
| import ( |
| "io" |
| "os" |
| "path/filepath" |
| "strings" |
| |
| "k8s.io/gengo/generator" |
| "k8s.io/gengo/types" |
| ) |
| |
| // genExpansion produces a file for a group client, e.g. ExtensionsClient for the extension group. |
| type genExpansion struct { |
| generator.DefaultGen |
| groupPackagePath string |
| // types in a group |
| types []*types.Type |
| } |
| |
| // We only want to call GenerateType() once per group. |
| func (g *genExpansion) Filter(c *generator.Context, t *types.Type) bool { |
| return len(g.types) == 0 || t == g.types[0] |
| } |
| |
| func (g *genExpansion) GenerateType(c *generator.Context, t *types.Type, w io.Writer) error { |
| sw := generator.NewSnippetWriter(w, c, "$", "$") |
| for _, t := range g.types { |
| if _, err := os.Stat(filepath.Join(g.groupPackagePath, strings.ToLower(t.Name.Name+"_expansion.go"))); os.IsNotExist(err) { |
| sw.Do(expansionInterfaceTemplate, t) |
| } |
| } |
| return sw.Error() |
| } |
| |
| var expansionInterfaceTemplate = ` |
| type $.|public$Expansion interface {} |
| ` |