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|
package target
import (
"fmt"
"io"
"os"
"path"
"path/filepath"
)
type Publisher interface {
Publish(string, io.Reader) error
}
type Translator interface {
Translate(string) (string, error)
}
type Output interface {
Publisher
Translator
}
type Filesystem struct {
UglyUrls bool
DefaultExtension string
PublishDir string
}
func (fs *Filesystem) Publish(path string, r io.Reader) (err error) {
translated, err := fs.Translate(path)
if err != nil {
return
}
return writeToDisk(translated, r)
}
func writeToDisk(translated string, r io.Reader) (err error) {
path, _ := filepath.Split(translated)
ospath := filepath.FromSlash(path)
if ospath != "" {
err = os.MkdirAll(ospath, 0764) // rwx, rw, r
if err != nil {
panic(err)
}
}
file, err := os.Create(translated)
if err != nil {
return
}
defer file.Close()
_, err = io.Copy(file, r)
return
}
func (fs *Filesystem) Translate(src string) (dest string, err error) {
if src == "/" {
if fs.PublishDir != "" {
return path.Join(fs.PublishDir, "index.html"), nil
}
return "index.html", nil
}
dir, file := path.Split(src)
ext := fs.extension(path.Ext(file))
name := filename(file)
if fs.PublishDir != "" {
dir = path.Join(fs.PublishDir, dir)
}
if fs.UglyUrls {
return path.Join(dir, fmt.Sprintf("%s%s", name, ext)), nil
}
return path.Join(dir, name, fmt.Sprintf("index%s", ext)), nil
}
func (fs *Filesystem) extension(ext string) string {
switch ext {
case ".md", ".rst": // TODO make this list configurable. page.go has the list of markup types.
return ".html"
}
if ext != "" {
return ext
}
if fs.DefaultExtension != "" {
return fs.DefaultExtension
}
return ".html"
}
func filename(f string) string {
ext := path.Ext(f)
if ext == "" {
return f
}
return f[:len(f)-len(ext)]
}
|