diff options
Diffstat (limited to 'cmd/exttmpl/main.go')
| -rw-r--r-- | cmd/exttmpl/main.go | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/cmd/exttmpl/main.go b/cmd/exttmpl/main.go deleted file mode 100644 index 332d9d5..0000000 --- a/cmd/exttmpl/main.go +++ /dev/null @@ -1,224 +0,0 @@ -package main - -import ( - "fmt" - "os" - "path/filepath" - "slices" - "strings" - "text/template/parse" - - "golang.org/x/text/language" - "golang.org/x/text/message/pipeline" - "golang.org/x/tools/go/packages" -) - -const ( - pkgbase = "git.thomasvoss.com/euro-cash.eu" - srclang = "en" - srcdir = "./src" - transdir = srcdir + "/rosetta" - outfile = "catalog.gen.go" - transfn = "T" -) - -func main() { - /* cd to the project root directory */ - try(os.Chdir(filepath.Dir(os.Args[0]))) - - pkgnames := packageList(".") - - var paths []string - pkgs := try2(packages.Load(&packages.Config{ - Mode: packages.NeedFiles | packages.NeedEmbedFiles, - }, pkgnames...)) - - for _, pkg := range pkgs { - if len(pkg.Errors) != 0 { - for _, err := range pkg.Errors { - warn(err.Msg) - } - os.Exit(1) - } - for _, f := range pkg.EmbedFiles { - if filepath.Ext(f) == ".tmpl" { - paths = append(paths, f) - } - } - } - - msgs := make([]pipeline.Message, 0, 1024) - for _, path := range paths { - f := try2(os.ReadFile(path)) - trees := make(map[string]*parse.Tree) - t := parse.New("name") - t.Mode |= parse.SkipFuncCheck - try2(t.Parse(string(f), "", "", trees)) - for _, t := range trees { - process(&msgs, t.Root) - } - } - - pconf := &pipeline.Config{ - Supported: languages(), - SourceLanguage: language.Make(srclang), - Packages: pkgnames, - Dir: transdir, - GenFile: outfile, - GenPackage: srcdir, - } - - state := try2(pipeline.Extract(pconf)) - state.Extracted.Messages = append(state.Extracted.Messages, msgs...) - - try(state.Import()) - try(state.Merge()) - try(state.Export()) - try(state.Generate()) -} - -func process(tmplMsgs *[]pipeline.Message, node parse.Node) { - switch node.Type() { - case parse.NodeList: - if ln, ok := node.(*parse.ListNode); ok { - for _, n := range ln.Nodes { - process(tmplMsgs, n) - } - } - case parse.NodeIf: - if in, ok := node.(*parse.IfNode); ok { - process(tmplMsgs, in.List) - if in.ElseList != nil { - process(tmplMsgs, in.ElseList) - } - } - case parse.NodeWith: - if wn, ok := node.(*parse.WithNode); ok { - process(tmplMsgs, wn.List) - if wn.ElseList != nil { - process(tmplMsgs, wn.ElseList) - } - } - case parse.NodeRange: - if rn, ok := node.(*parse.RangeNode); ok { - process(tmplMsgs, rn.List) - if rn.ElseList != nil { - process(tmplMsgs, rn.ElseList) - } - } - case parse.NodeAction: - an, ok := node.(*parse.ActionNode) - if !ok { - break - } - - for _, cmd := range an.Pipe.Cmds { - if !hasIdent(cmd, transfn) { - continue - } - for _, arg := range cmd.Args { - if arg.Type() != parse.NodeString { - continue - } - if sn, ok := arg.(*parse.StringNode); ok { - txt := collapse(sn.Text) - *tmplMsgs = append(*tmplMsgs, pipeline.Message{ - ID: pipeline.IDList{txt}, - Key: txt, - Message: pipeline.Text{Msg: txt}, - }) - break - } - } - } - } -} - -func hasIdent(cmd *parse.CommandNode, s string) bool { - if len(cmd.Args) == 0 { - return false - } - arg := cmd.Args[0] - var idents []string - switch arg.Type() { - case parse.NodeField: - idents = arg.(*parse.FieldNode).Ident - case parse.NodeVariable: - idents = arg.(*parse.VariableNode).Ident - } - return slices.Contains(idents, s) -} - -func packageList(path string) []string { - ents := try2(os.ReadDir(path)) - xs := make([]string, 0, len(ents)) - foundOne := false - for _, ent := range ents { - switch { - case filepath.Ext(ent.Name()) == ".go": - if !foundOne { - xs = append(xs, pkgbase+"/"+path) - foundOne = true - } - case !ent.IsDir(), ent.Name() == "cmd", ent.Name() == "vendor": - continue - default: - xs = append(xs, packageList(path+"/"+ent.Name())...) - } - } - return xs -} - -func languages() []language.Tag { - ents := try2(os.ReadDir(transdir)) - tags := make([]language.Tag, len(ents)) - for i, e := range ents { - tags[i] = language.MustParse(e.Name()) - } - return tags -} - -func collapse(s string) string { - var ( - sb strings.Builder - prev bool - ) - const spc = " \t\n" - - for _, ch := range strings.Trim(s, spc) { - if strings.ContainsRune(spc, ch) { - if prev { - continue - } - ch = ' ' - prev = true - } else { - prev = false - } - sb.WriteRune(ch) - } - - return sb.String() -} - -func try(err error) { - if err != nil { - die(err) - } -} - -func try2[T any](val T, err error) T { - if err != nil { - die(err) - } - return val -} - -func warn(err any) { - fmt.Fprintf(os.Stderr, "%s: %s\n", filepath.Base(os.Args[0]), err) -} - -func die(err any) { - warn(err) - os.Exit(1) -} |