filebrowser/cmd/docs.go

140 lines
2.9 KiB
Go

package cmd
import (
"bytes"
"fmt"
"io"
"os"
"path/filepath"
"sort"
"strings"
"github.com/spf13/pflag"
"github.com/spf13/cobra"
)
func init() {
rootCmd.AddCommand(docsCmd)
docsCmd.Flags().StringP("path", "p", "./docs", "path to save the docs")
}
func printToc(names []string) {
for i, name := range names {
name = strings.TrimSuffix(name, filepath.Ext(name))
name = strings.Replace(name, "-", " ", -1)
names[i] = name
}
sort.Strings(names)
toc := ""
for _, name := range names {
toc += "* [" + name + "](cli/" + strings.Replace(name, " ", "-", -1) + ".md)\n"
}
fmt.Println(toc)
}
var docsCmd = &cobra.Command{
Use: "docs",
Hidden: true,
Args: cobra.NoArgs,
Run: func(cmd *cobra.Command, args []string) {
dir := mustGetString(cmd, "path")
generateDocs(rootCmd, dir)
names := []string{}
err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
if err != nil || info.IsDir() {
return err
}
if !strings.HasPrefix(info.Name(), "filebrowser") {
return nil
}
names = append(names, info.Name())
return nil
})
checkErr(err)
printToc(names)
},
}
func generateDocs(cmd *cobra.Command, dir string) {
for _, c := range cmd.Commands() {
if !c.IsAvailableCommand() || c.IsAdditionalHelpTopicCommand() {
continue
}
generateDocs(c, dir)
}
basename := strings.Replace(cmd.CommandPath(), " ", "-", -1) + ".md"
filename := filepath.Join(dir, basename)
f, err := os.Create(filename)
checkErr(err)
defer f.Close()
generateMarkdown(cmd, f)
}
func generateMarkdown(cmd *cobra.Command, w io.Writer) {
cmd.InitDefaultHelpCmd()
cmd.InitDefaultHelpFlag()
buf := new(bytes.Buffer)
name := cmd.CommandPath()
short := cmd.Short
long := cmd.Long
if len(long) == 0 {
long = short
}
buf.WriteString("---\ndescription: " + short + "\n---\n\n")
buf.WriteString("# " + name + "\n\n")
buf.WriteString("## Synopsis\n\n")
buf.WriteString(long + "\n\n")
if cmd.Runnable() {
buf.WriteString(fmt.Sprintf("```\n%s\n```\n\n", cmd.UseLine()))
}
if len(cmd.Example) > 0 {
buf.WriteString("## Examples\n\n")
buf.WriteString(fmt.Sprintf("```\n%s\n```\n\n", cmd.Example))
}
printOptions(buf, cmd, name)
_, err := buf.WriteTo(w)
checkErr(err)
}
func generateFlagsTable(fs *pflag.FlagSet, buf *bytes.Buffer) {
buf.WriteString("| Name | Shorthand | Usage |\n")
buf.WriteString("|------|-----------|-------|\n")
fs.VisitAll(func(f *pflag.Flag) {
buf.WriteString("|" + f.Name + "|" + f.Shorthand + "|" + f.Usage + "|\n")
})
}
func printOptions(buf *bytes.Buffer, cmd *cobra.Command, name string) {
flags := cmd.NonInheritedFlags()
flags.SetOutput(buf)
if flags.HasAvailableFlags() {
buf.WriteString("## Options\n\n")
generateFlagsTable(flags, buf)
buf.WriteString("\n")
}
parentFlags := cmd.InheritedFlags()
parentFlags.SetOutput(buf)
if parentFlags.HasAvailableFlags() {
buf.WriteString("### Inherited\n\n")
generateFlagsTable(parentFlags, buf)
buf.WriteString("\n")
}
}