Mercurial > projects > sievemgr
view cmd/sievemgr/gendocstr.go @ 18:d14d93d011d7
Show SASL mechanisms from before authentication in info output
author | Guido Berhoerster <guido+sievemgr@berhoerster.name> |
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date | Tue, 02 Feb 2021 23:57:37 +0100 |
parents | 44c07eb8ef08 |
children |
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// Copyright (C) 2020 Guido Berhoerster <guido+sievemgr@berhoerster.name> // // Permission is hereby granted, free of charge, to any person obtaining // a copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to // permit persons to whom the Software is furnished to do so, subject to // the following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // +build ignore package main import ( "fmt" "go/ast" "go/build" "go/doc" "go/parser" "go/token" "io/ioutil" "os" "path/filepath" "strings" ) func newDocPkg(dir, importPath, outputName string) (*doc.Package, error) { fset := token.NewFileSet() var files []*ast.File filelist, err := ioutil.ReadDir(dir) if err != nil { return nil, err } for _, d := range filelist { if !strings.HasSuffix(d.Name(), ".go") || strings.HasSuffix(d.Name(), "_test.go") || d.Name() == outputName { continue } if ok, err := build.Default.MatchFile(dir, d.Name()); err != nil || !ok { continue } filename := filepath.Join(dir, d.Name()) f, err := parser.ParseFile(fset, filename, nil, parser.ParseComments) if err != nil { return nil, err } files = append(files, f) } return doc.NewFromFiles(fset, files, importPath) } func main() { if len(os.Args) != 5 { fmt.Fprintf(os.Stderr, "usage: genhelp dir import_path var file\n") os.Exit(1) } dir := os.Args[1] importPath := os.Args[2] varName := os.Args[3] outputName := os.Args[4] w, err := os.OpenFile(filepath.Join(dir, outputName), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644) if err != nil { fmt.Fprintf(os.Stderr, "failed to open output file: %s\n", err) os.Exit(1) } defer w.Close() pkg, err := newDocPkg(dir, importPath, outputName) if err != nil { fmt.Fprintf(os.Stderr, "failed to parse files: %s\n", err) os.Exit(1) } var b strings.Builder doc.ToText(&b, pkg.Doc, "", " ", 78) fmt.Fprintf(w, "// Code generated by \"gendocstr\"; DO NOT EDIT.\n\n") fmt.Fprintf(w, "package %s\n\n", pkg.Name) fmt.Fprintf(w, "const %s = %q", varName, b.String()) }