123 lines
1.9 KiB
Go
123 lines
1.9 KiB
Go
package main
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import (
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"fmt"
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"io"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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)
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func md_to_html(input_path string, output_path string) error {
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var cmd *exec.Cmd
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var err error
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/* open source markdown */
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var in *os.File
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in, err = os.Open(input_path)
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if err != nil {
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return err
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}
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defer in.Close()
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/* create output html */
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var out *os.File
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out, err = os.Create(output_path)
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if err != nil {
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return err
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}
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defer out.Close()
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/*
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run:
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lowdown -Thtml
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stdin <- markdown file
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stdout -> html file
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*/
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cmd = exec.Command("lowdown", "-Thtml")
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cmd.Stdin = in
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cmd.Stdout = out
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cmd.Stderr = os.Stderr
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err = cmd.Run()
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if err != nil {
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return err
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}
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return nil
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}
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func copy_file(src string, dst string) error {
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var err error
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var in *os.File
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in, err = os.Open(src)
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if err != nil {
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return err
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}
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defer in.Close()
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var out *os.File
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out, err = os.Create(dst)
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if err != nil {
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return err
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}
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defer out.Close()
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_, err = io.Copy(out, in)
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if err != nil {
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return err
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}
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return nil
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}
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func main() {
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var err error
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if len(os.Args) != 3 {
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fmt.Fprintf(os.Stderr, "usage: kew <in> <out>\n")
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os.Exit(1)
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}
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var src string = os.Args[1]
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var out string = os.Args[2]
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fmt.Printf("kew: %s -> %s\n", src, out)
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err = filepath.WalkDir(src, func(path string, entry os.DirEntry, err error) error {
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if err != nil {
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return err
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}
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/* find relative path */
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var rel string
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rel, err = filepath.Rel(src, path)
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if err != nil {
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return err
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}
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var outpath string = filepath.Join(out, rel)
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/* mirror src */
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if entry.IsDir() {
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return os.MkdirAll(outpath, 0755)
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}
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/* convert markdown else copy */
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if strings.HasSuffix(path, ".md") {
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outpath = strings.TrimSuffix(outpath, ".md") + ".html"
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return md_to_html(path, outpath)
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}
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return copy_file(path, outpath)
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})
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if err != nil {
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fmt.Fprintln(os.Stderr, "kew:", err)
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os.Exit(1)
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}
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fmt.Println("kew: done")
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}
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