#----------------------------------------------------------------------------
# Filename: layout.py
# Revision: 0.1
#
# Copyright 2008 Christopher Myers and Justin Davis
#
# "Table Element Shame Eliminator"
# The purpose of this script is to transform markup with our magical "layout"
# element into valid HTML using the html table.
#
# You have unlimited license to use this software however you want.  There
# is no warranty either expressed nor implied.  Actually, we recommend not 
# using it.  It just exists to prove a point.
#----------------------------------------------------------------------------

import os
import sys

from BeautifulSoup import BeautifulSoup


def usage():
    print "Usage: %s input-filename" % (sys.argv[0])


if not sys.argv[1:] or not os.path.exists(sys.argv[1]) or \
    not os.path.isfile(sys.argv[1]):
    usage()
    sys.exit(1)

# Soup the input
infile = sys.argv[1]
fhandle = open(infile, "r")
soup = BeautifulSoup(fhandle)
fhandle.close()

# Convert from our semantic elements to actual html elements
layout_to_table_map = {
    "layout"        : "table",
    "layout-row"    : "tr", 
    "layout-cell"   : "td"
}

layout_elements = soup.findAll(layout_to_table_map.keys())
for layout_element in layout_elements:
    layout_element.name = layout_to_table_map[layout_element.name]

print soup.prettify()