#!/usr/bin/python
# Encoding: utf-8
# Author: Unavowed <unavowed@vexillium.org>
# License: GPLv3 (or any later version)

import os, sys
from stat import S_ISDIR

def print_lines (lines):
  cnt = len (lines)
  last = not lines[cnt - 1]
  for x in xrange (len (lines)):
    if x + 1 == cnt:
      if last:
	sys.stdout.write ('╰')
      else:
	sys.stdout.write ('├')
      sys.stdout.write ('─╼ ')
    else:
      if lines[x]:
	sys.stdout.write ('│')
      else:
	sys.stdout.write (' ')
      sys.stdout.write ('   ')

lines = []

def escape (string):
  string = string.replace ('&', '&amp;')
  string = string.replace ('<', '&lt;')
  string = string.replace ('>', '&gt;')
  string = string.replace ('"', '&quot;')
  string = string.replace ('\'', '&apos;')
  return string

def print_dir (dir):
  global lines
  global path
  subdirs = []
  if dir != path:
    print_lines (lines)
    dir = dir.replace (os.sep, '/')
    print '<a href="%s/">%s</a>' \
	  % (escape (dir[len (path) + 1:]), dir[dir.rfind (os.sep) + 1:])
  try:
    for ent in os.listdir (dir):
      name = dir + os.sep + ent
      try:
	st = os.lstat (name)
	if not S_ISDIR (st.st_mode) or ent.startswith ('.'):
	  continue
	subdirs.append (name)
      except OSError:
	pass
  except OSError:
    pass
  subdirs.sort ()
  for x in xrange (len (subdirs)):
    slast = (x + 1 == len (subdirs))
    lines.append (not slast)
    print_dir (subdirs[x])
    lines.pop ()

if len (sys.argv) > 1:
  path = sys.argv[1]
else:
  path = '.'

sys.stdout.write ('<pre>╿\n')
print_dir (path)
sys.stdout.write ('</pre>')