func convertWithPandoc(path string) {
var from string
if isTextileFile(path) {
from = "textile"
} else if isHtmlFile(path) {
from = "html"
} else {
panic("unknown format")
}
hdr, body := splitFile(path)
pathTmp := path + ".tmp.markdown"
err := ioutil.WriteFile(pathTmp, []byte(body), 0755)
u.PanicIfErr(err)
runCmd("pandoc", "-f", from, "-t", "markdown", "-o", pathTmp, pathTmp)
converted, err := ioutil.ReadFile(pathTmp)
u.PanicIfErr(err)
f, err := os.Create(path)
u.PanicIfErr(err)
_, err = f.WriteString(hdr)
u.PanicIfErr(err)
_, err = f.WriteString(div)
u.PanicIfErr(err)
_, err = f.Write(converted)
u.PanicIfErr(err)
f.Close()
err = os.Remove(pathTmp)
u.PanicIfErr(err)
}
func splitFile(path string) (string, string) {
d, err := ioutil.ReadFile(path)
u.PanicIfErr(err)
s := string(d)
s = strings.Replace(s, "\r\n", "\n", -1)
s = strings.Replace(s, "\r", "\n", -1)
idx := strings.Index(s, "----------")
u.PanicIf(idx == -1, "idx == -1")
hdr := s[:idx]
hdr = strings.Replace(hdr, "Html", "Markdown", -1)
hdr = strings.Replace(hdr, "Textile", "Markdown", -1)
body := s[idx:]
idx = strings.Index(body, "\n")
u.PanicIf(idx == -1, "idx == -1")
body = body[idx+1:]
return hdr, body
}
func getFilesToConvert(dir string) []string {
res := make([]string, 0)
dirsToVisit := []string{dir}
for len(dirsToVisit) > 0 {
dir := dirsToVisit[0]
dirsToVisit = dirsToVisit[1:]
entries, err := ioutil.ReadDir(dir)
u.PanicIfErr(err)
for _, fi := range entries {
name := fi.Name()
if fi.IsDir() {
path := filepath.Join(dir, name)
dirsToVisit = append(dirsToVisit, path)
} else {
if shouldConvert(name) {
path := filepath.Join(dir, name)
res = append(res, path)
}
}
}
}
return res
}
func runCmd(cmdName string, args ...string) {
cmd := exec.Command(cmdName, args...)
err := cmd.Run()
u.PanicIfErr(err)
}