| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You 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 appcmd |
| |
| import ( |
| "fmt" |
| "io" |
| "strings" |
| "text/template" |
| "unicode" |
| ) |
| |
| import ( |
| "github.com/spf13/cobra" |
| ) |
| |
| // The functions in this file are mostly copied from github.com/spf13/cobra. |
| // https://github.com/spf13/cobra/blob/master/LICENSE.txt |
| var templateFuncs = template.FuncMap{ |
| "trim": strings.TrimSpace, |
| "trimRightSpace": trimRightSpace, |
| "trimTrailingWhitespaces": trimRightSpace, |
| "rpad": rpad, |
| "gt": cobra.Gt, |
| "eq": cobra.Eq, |
| } |
| |
| func trimRightSpace(s string) string { |
| return strings.TrimRightFunc(s, unicode.IsSpace) |
| } |
| |
| // rpad adds padding to the right of a string. |
| func rpad(s string, padding int) string { |
| template := fmt.Sprintf("%%-%ds", padding) |
| return fmt.Sprintf(template, s) |
| } |
| |
| // tmpl executes the given template text on data, writing the result to w. |
| func tmpl(w io.Writer, text string, data interface{}) error { |
| t := template.New("top") |
| t.Funcs(templateFuncs) |
| t, err := t.Parse(text) |
| if err != nil { |
| return err |
| } |
| return t.Execute(w, data) |
| } |