mirror of
https://codeberg.org/scip/epuppy.git
synced 2025-12-16 12:01:00 +01:00
c1f757197d
Co-authored-by: Thomas von Dein <tom@vondein.org> Reviewed-on: https://codeberg.org/scip/epuppy/pulls/1
120 lines
2.6 KiB
Go
120 lines
2.6 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"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"codeberg.org/scip/epuppy/pkg/epub"
|
|
"github.com/alecthomas/repr"
|
|
)
|
|
|
|
func Prepare(conf *Config) (*Ebook, error) {
|
|
switch filepath.Ext(conf.Document) {
|
|
case ".epub":
|
|
return PrepareEpub(conf)
|
|
default:
|
|
return PrepareText(conf)
|
|
}
|
|
}
|
|
|
|
func PrepareText(conf *Config) (*Ebook, error) {
|
|
data, err := os.ReadFile(conf.Document)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &Ebook{
|
|
Config: conf,
|
|
Title: conf.Document,
|
|
Body: string(data),
|
|
}, nil
|
|
}
|
|
|
|
func PrepareEpub(conf *Config) (*Ebook, error) {
|
|
book, err := epub.Open(conf.Document, conf.XML)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if conf.Debug {
|
|
repr.Println("book.Files()")
|
|
repr.Println(book.Files())
|
|
repr.Println(book.Ncx)
|
|
repr.Println(book.Sections)
|
|
repr.Println(book.Opf.Manifest)
|
|
}
|
|
|
|
buf := strings.Builder{}
|
|
head := strings.Builder{}
|
|
|
|
for _, creator := range book.Opf.Metadata.Creator {
|
|
head.WriteString(creator.Data)
|
|
head.WriteString(" ")
|
|
}
|
|
|
|
head.WriteString("- ")
|
|
|
|
for _, title := range book.Opf.Metadata.Title {
|
|
head.WriteString(title)
|
|
head.WriteString(" ")
|
|
}
|
|
|
|
fetchByContent(conf, &buf, book)
|
|
|
|
return &Ebook{
|
|
Config: conf,
|
|
Title: head.String(),
|
|
Body: buf.String(),
|
|
Cover: book.CoverImage,
|
|
MediaType: book.CoverMediaType,
|
|
}, nil
|
|
}
|
|
|
|
func fetchByContent(conf *Config, buf *strings.Builder, book *epub.Book) bool {
|
|
chapter := 1
|
|
var gotbody bool
|
|
|
|
for _, content := range book.Content {
|
|
if len(content.Body) > 0 {
|
|
if content.Title != "" {
|
|
buf.WriteString(conf.Colors.Chapter.
|
|
Render(fmt.Sprintf("──────┤ %s ├──────", content.Title)))
|
|
|
|
}
|
|
buf.WriteString("\r\n\r\n")
|
|
|
|
if conf.Dump {
|
|
// avoid excess whitespaces when printing to stdout
|
|
buf.WriteString(content.Body)
|
|
} else {
|
|
buf.WriteString(conf.Colors.Body.Render(content.Body))
|
|
}
|
|
|
|
buf.WriteString("\r\n\r\n\r\n\r\n")
|
|
chapter++
|
|
|
|
gotbody = true
|
|
}
|
|
}
|
|
|
|
return gotbody
|
|
}
|