/
epubify.go
83 lines (71 loc) · 1.37 KB
/
epubify.go
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package sisho
import (
"archive/zip"
"io"
"os"
"path/filepath"
"regexp"
)
func (s *Sisho) epubify() error {
newfile, err := os.Create(s.repoName + ".epub")
if err != nil {
return err
}
defer newfile.Close()
zipWriter := zip.NewWriter(newfile)
defer zipWriter.Close()
err = addZip(s.buildDir+"/mimetype", s.buildDir, zipWriter)
if err != nil {
return err
}
err = addAll(s.buildDir, zipWriter)
if err != nil {
return err
}
return nil
}
func addAll(buildDir string, zipWriter *zip.Writer) error {
err := filepath.Walk(buildDir, func(path string, info os.FileInfo, err error) error {
if err != nil {
return nil
}
if info.IsDir() {
return nil
}
if path == buildDir+"/mimetype" {
return nil
}
err = addZip(path, buildDir, zipWriter)
if err != nil {
return nil
}
return nil
})
if err != nil {
return err
}
return nil
}
func addZip(filename, buildDir string, zipWriter *zip.Writer) error {
zipfile, err := os.Open(filename)
if err != nil {
return err
}
defer zipfile.Close()
info, err := zipfile.Stat()
if err != nil {
return err
}
header, err := zip.FileInfoHeader(info)
if err != nil {
return err
}
r := regexp.MustCompile(buildDir + "/")
header.Name = r.ReplaceAllString(filename, "")
writer, err := zipWriter.CreateHeader(header)
if err != nil {
return err
}
_, err = io.Copy(writer, zipfile)
return nil
}