mirror of
https://github.com/russross/blackfriday.git
synced 2024-03-22 13:40:34 +08:00
73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
//
|
|
// Black Friday Markdown Processor
|
|
// Originally based on http://github.com/tanoku/upskirt
|
|
// by Russ Ross <russ@russross.com>
|
|
//
|
|
|
|
//
|
|
//
|
|
// Example front-end for command-line use
|
|
//
|
|
//
|
|
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"github.com/russross/blackfriday"
|
|
"os"
|
|
)
|
|
|
|
func main() {
|
|
// read the input
|
|
var input []byte
|
|
var err os.Error
|
|
switch len(os.Args) {
|
|
case 1:
|
|
if input, err = ioutil.ReadAll(os.Stdin); err != nil {
|
|
fmt.Fprintln(os.Stderr, "Error reading from Stdin:", err)
|
|
os.Exit(-1)
|
|
}
|
|
case 2, 3:
|
|
if input, err = ioutil.ReadFile(os.Args[1]); err != nil {
|
|
fmt.Fprintln(os.Stderr, "Error reading from", os.Args[1], ":", err)
|
|
os.Exit(-1)
|
|
}
|
|
default:
|
|
fmt.Fprintln(os.Stderr, "Usage:", os.Args[0], "[inputfile [outputfile]]")
|
|
os.Exit(-1)
|
|
}
|
|
|
|
// set up options
|
|
var extensions uint32
|
|
extensions |= blackfriday.EXTENSION_NO_INTRA_EMPHASIS
|
|
extensions |= blackfriday.EXTENSION_TABLES
|
|
extensions |= blackfriday.EXTENSION_FENCED_CODE
|
|
extensions |= blackfriday.EXTENSION_AUTOLINK
|
|
extensions |= blackfriday.EXTENSION_STRIKETHROUGH
|
|
extensions |= blackfriday.EXTENSION_SPACE_HEADERS
|
|
|
|
html_flags := 0
|
|
html_flags |= blackfriday.HTML_USE_XHTML
|
|
html_flags |= blackfriday.HTML_USE_SMARTYPANTS
|
|
html_flags |= blackfriday.HTML_SMARTYPANTS_FRACTIONS
|
|
html_flags |= blackfriday.HTML_SMARTYPANTS_LATEX_DASHES
|
|
|
|
// render the data
|
|
output := blackfriday.Markdown(input, blackfriday.HtmlRenderer(html_flags), extensions)
|
|
|
|
// output the result
|
|
if len(os.Args) == 3 {
|
|
if err = ioutil.WriteFile(os.Args[2], output, 0644); err != nil {
|
|
fmt.Fprintln(os.Stderr, "Error writing to", os.Args[2], ":", err)
|
|
os.Exit(-1)
|
|
}
|
|
} else {
|
|
if _, err = os.Stdout.Write(output); err != nil {
|
|
fmt.Fprintln(os.Stderr, "Error writing to Stdout:", err)
|
|
os.Exit(-1)
|
|
}
|
|
}
|
|
}
|