67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package main
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import (
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"flag"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"path"
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"github.com/russross/blackfriday"
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)
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func usage() {
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fmt.Fprintf(os.Stderr, "Usage: %s [options] input output\n", path.Base(os.Args[0]))
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fmt.Fprintf(os.Stderr, "https://foosoft.net/projects/md2vim/\n\n")
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fmt.Fprintf(os.Stderr, "Parameters:\n")
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flag.PrintDefaults()
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}
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func main() {
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cols := flag.Int("cols", defNumCols, "number of columns to use for layout")
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tabs := flag.Int("tabs", defTabSize, "tab width specified in number of spaces")
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notoc := flag.Bool("notoc", false, "do not generate table of contents for headings")
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norules := flag.Bool("norules", false, "do not generate horizontal rules above headings")
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pascal := flag.Bool("pascal", false, "use PascalCase for abbreviating tags")
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desc := flag.String("desc", "", "short description of the help file")
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flag.Usage = usage
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flag.Parse()
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args := flag.Args()
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if len(args) < 2 {
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flag.Usage()
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os.Exit(2)
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}
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input, err := ioutil.ReadFile(args[0])
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if err != nil {
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log.Fatalf("unable to read from file: %s", args[0])
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}
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flags := 0
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if *notoc {
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flags |= flagNoToc
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}
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if *norules {
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flags |= flagNoRules
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}
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if *pascal {
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flags |= flagPascal
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}
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renderer := VimDocRenderer(args[1], *desc, *cols, *tabs, flags)
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extensions := blackfriday.EXTENSION_FENCED_CODE | blackfriday.EXTENSION_NO_INTRA_EMPHASIS | blackfriday.EXTENSION_SPACE_HEADERS
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output := blackfriday.Markdown(input, renderer, extensions)
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file, err := os.Create(args[1])
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if err != nil {
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log.Fatalf("unable to write to file: %s", args[1])
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}
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defer file.Close()
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if _, err := file.Write(output); err != nil {
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log.Fatal("unable to write output")
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}
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}
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