chore: make the application more internationalized

internal/cliutils/template.go

@@ -0,0 +1,102 @@
+// ALR - Any Linux Repository
+// Copyright (C) 2025 Евгений Храмов
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package cliutils
+
+import (
+	"fmt"
+
+	"github.com/leonelquinteros/gotext"
+)
+
+// Templates are based on https://github.com/urfave/cli/blob/3b17080d70a630feadadd23dd036cad121dd9a50/template.go
+
+//nolint:unused
+var (
+	helpNameTemplate    = `{{$v := offset .HelpName 6}}{{wrap .HelpName 3}}{{if .Usage}} - {{wrap .Usage $v}}{{end}}`
+	descriptionTemplate = `{{wrap .Description 3}}`
+	authorsTemplate     = `{{with $length := len .Authors}}{{if ne 1 $length}}S{{end}}{{end}}:
+   {{range $index, $author := .Authors}}{{if $index}}
+   {{end}}{{$author}}{{end}}`
+	visibleCommandTemplate = `{{ $cv := offsetCommands .VisibleCommands 5}}{{range .VisibleCommands}}
+   {{$s := join .Names ", "}}{{$s}}{{ $sp := subtract $cv (offset $s 3) }}{{ indent $sp ""}}{{wrap .Usage $cv}}{{end}}`
+	visibleCommandCategoryTemplate = `{{range .VisibleCategories}}{{if .Name}}
+   {{.Name}}:{{range .VisibleCommands}}
+     {{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}{{else}}{{template "visibleCommandTemplate" .}}{{end}}{{end}}`
+	visibleFlagCategoryTemplate = `{{range .VisibleFlagCategories}}
+   {{if .Name}}{{.Name}}
+
+   {{end}}{{$flglen := len .Flags}}{{range $i, $e := .Flags}}{{if eq (subtract $flglen $i) 1}}{{$e}}
+{{else}}{{$e}}
+   {{end}}{{end}}{{end}}`
+	visibleFlagTemplate = `{{range $i, $e := .VisibleFlags}}
+   {{wrap $e.String 6}}{{end}}`
+	copyrightTemplate = `{{wrap .Copyright 3}}`
+)
+
+func GetAppCliTemplate() string {
+	return fmt.Sprintf(`%s:
+	{{template "helpNameTemplate" .}}
+
+%s:
+	{{if .UsageText}}{{wrap .UsageText 3}}{{else}}{{.HelpName}} {{if .VisibleFlags}}[global options]{{end}}{{if .Commands}} command [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Version}}{{if not .HideVersion}}
+
+%s:
+	{{.Version}}{{end}}{{end}}{{if .Description}}
+
+%s:
+   {{template "descriptionTemplate" .}}{{end}}
+{{- if len .Authors}}
+
+%s{{template "authorsTemplate" .}}{{end}}{{if .VisibleCommands}}
+
+%s:{{template "visibleCommandCategoryTemplate" .}}{{end}}{{if .VisibleFlagCategories}}
+
+%s:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
+
+%s:{{template "visibleFlagTemplate" .}}{{end}}{{if .Copyright}}
+
+%s:
+   {{template "copyrightTemplate" .}}{{end}}
+`, gotext.Get("NAME"), gotext.Get("USAGE"), gotext.Get("VERSION"), gotext.Get("DESCRIPTION"), gotext.Get("AUTHOR"), gotext.Get("COMMANDS"), gotext.Get("GLOBAL OPTIONS"), gotext.Get("GLOBAL OPTIONS"), gotext.Get("COPYRIGHT"))
+}
+
+func GetCommandHelpTemplate() string {
+	return fmt.Sprintf(`%s:
+   {{template "helpNameTemplate" .}}
+
+%s:
+   {{if .UsageText}}{{wrap .UsageText 3}}{{else}}{{.HelpName}}{{if .VisibleFlags}} [%s]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[%s]{{end}}{{end}}{{if .Category}}
+
+%s:
+   {{.Category}}{{end}}{{if .Description}}
+
+%s:
+   {{template "descriptionTemplate" .}}{{end}}{{if .VisibleFlagCategories}}
+
+%s:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
+
+%s:{{template "visibleFlagTemplate" .}}{{end}}
+`, gotext.Get("NAME"),
+		gotext.Get("USAGE"),
+		gotext.Get("command options"),
+		gotext.Get("arguments..."),
+		gotext.Get("CATEGORY"),
+		gotext.Get("DESCRIPTION"),
+		gotext.Get("OPTIONS"),
+		gotext.Get("OPTIONS"),
+	)
+}