all repos — hastyscribe @ 00e8f655afbee3ba5824e60c35447f5727087e22

A professional markdown compiler.

hastyscribe.nim

 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 
import os, parseopt, strutils, times, base64, markdown

# Source
const src_css = "assets/hastyscribe.css".slurp

proc style_tag(css): string =
  result = "<style>$1</style>" % [css]

let css = src_css.style_tag

### MAIN

var opt = initOptParser()

opt.next

if opt.kind != cmdArgument:
  quit()

# Input file name
let input_file = opt.key
let inputsplit = input_file.splitFile

# Output file name
let output_file = inputsplit.dir/inputsplit.name & ".htm"

let source = input_file.readFile

proc encode_image(file, format): string =
  let contents = file.readFile
  let enc_contents = contents.encode(contents.len*3) 
  return "data:image/$format;base64,$enc_contents" % ["format", format, "enc_contents", enc_contents]

# URL callback
proc callback(url: cstring, size: cint, p: pointer): cstring =
  let str_url = $url
  var target = str_url[0..size-1]
  let file = inputsplit.dir/target
  if file.existsFile:
    let filesplit = target.splitFile
    case filesplit.ext
    of ".png":
      target = encode_image(file, "png")
    of ".jpg":
      target = encode_image(file, "jpeg")
    of ".gif":
      target = encode_image(file, "gif")
    else: nil
  return target

# Document Variables
var metadata = TMDMetaData(title:"", author:"", date:"")
let body = source.md(MKD_DOTOC or MKD_EXTRA_FOOTNOTE, metadata, callback)

# TODO handle invalid date errors

if metadata.date == "":
  metadata.date = getDateStr()

var date = metadata.date.split('-')

var timeinfo = TTimeInfo(year: date[0].parseInt, month: TMonth(date[1].parseInt-1), monthday: date[2].parseInt)

let document = """<!doctype html>
<html lang="en">
<head>
  <title>$title</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta name="author" content="$author">
  $css
</head> 
<body>
  <div id="header">
    <h1>$title</h1>
  </div>
  <div id="toc">
    $toc
  </div>
  <div id="main">
$body
  </div>
  <div id="footer">
    <p>by <em>$author</em> &ndash; Generated with <a href="https://github.com/h3rald/hastyscribe/">HastyScribe</a> on <em>$date</em></p>
  </div>
</body>""" % ["title", metadata.title, "author", metadata.author, "date", timeinfo.format("MMMM d, yyyy"), "toc", metadata.toc, "css", css, "body", body]

output_file.writeFile(document)