Files
epuppy/cmd/root.go
T.v.Dein 238972f11f Parserfixes std (#11)
* clean svg and cdata
* refactored ebook preparation, separated from calling the pager
* added better unit tests
* add free ebooks for testing
2025-10-21 21:57:12 +02:00

89 lines
1.7 KiB
Go

/*
Copyright © 2025 Thomas von Dein
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 cmd
import (
"fmt"
"io"
"os"
)
func Die(err error) int {
fmt.Fprintln(os.Stderr, "Error: ", err.Error())
return 1
}
func Execute(output io.Writer) int {
conf, err := InitConfig(output)
if err != nil {
return Die(err)
}
if conf.Showversion {
_, err := fmt.Fprintf(output, "This is epuppy version %s\n", Version)
if err != nil {
return Die(fmt.Errorf("failed to print to output: %s", err))
}
return 0
}
if conf.ShowHelp {
_, err := fmt.Fprintln(output, Usage)
if err != nil {
return Die(fmt.Errorf("failed to print to output: %s", err))
}
return 0
}
if conf.StoreProgress {
progress, err := GetProgress(conf)
if err == nil {
conf.InitialProgress = int(progress)
}
}
ebook, err := Prepare(conf)
if err != nil {
return Die(err)
}
if conf.Dump {
fmt.Println(ebook.Body)
return 0
}
if conf.Debug || conf.XML {
return 0
}
progress, err := Pager(ebook)
if err != nil {
return Die(err)
}
if conf.StoreProgress {
if err := StoreProgress(conf, progress); err != nil {
return Die(err)
}
}
return 0
}