#!/usr/bin/python

"""

Just a hack to convert rst to xml and then docbook . 

May not containt all the required elements of a docbook .

Just done to make it run for the specific rst for our 

sees documentation.

"""

import xml.etree.ElementTree as ET

import os 

import re

import subprocess

import os

import pkg_resources

import glob, os, re, sys

names = glob.glob('ch*.xml')

"""

chapterno=0

def convert2xml(file):

#    print folder,subfolder,file

    global chapterno

    name=file.split('/')[-1]

    name=str(chapterno)+name.split('.')[0]

#    full_file=os.path.join(folder,file)    

#    if file.endswith('.rst'):    

    print file	    

    xml_file=name+'.xml'        

    command="rst2xml.py %s > %s" %(file , xml_file)

    print command        

    a=subprocess.Popen(command , shell=True)

def walk(repo):

    global chapterno

    mainfolder='/home/amit/sttp_latest/'    

    for readline in open('index.config','r').readlines():

        chapterno+=1		

        filename=mainfolder+readline

        convert2xml(filename)

"""

def convert2docbook(xml_string):

	""" convert to docbook from xml converted using rst2xml using regex replacements """		

	xml_string=re.sub('<strong>','<emphasis role="strong">', xml_string)   

	xml_string=re.sub('<literal_block xml:space="preserve">','<programlisting>',xml_string)

	xml_string=re.sub('</literal_block>','</programlisting>',xml_string)

	xml_string=re.sub('<paragraph>' ,'<para>',xml_string)

	xml_string=re.sub('</paragraph>' ,'</para>',xml_string)  

	xml_string=re.sub('</strong>' ,'</emphasis>',xml_string)

	xml_string=re.sub('<bullet_list bullet="[-*+]">','<itemizedlist mark="*">',xml_string,)

	xml_string=re.sub('</bullet_list>','</itemizedlist>',xml_string)

	xml_string=re.sub('<list_item>','<listitem>',xml_string)	

	xml_string=re.sub('</list_item>','</listitem>',xml_string)	

	xml_string=re.sub('<enumerated_list enumtype="arabic" prefix="" suffix=".">', '<orderedlist numeration="arabic">',xml_string)

 	xml_string=re.sub('</enumerated_list>', '</orderedlist>',xml_string)

	xml_string=re.sub('<block_quote>', '',xml_string)	

	xml_string=re.sub('</block_quote>', '',xml_string) 	

	xml_string=re.sub('<definition_list>', '',xml_string)	

	xml_string=re.sub('</definition_list>', '',xml_string) 	

	xml_string=re.sub('<entry>', '',xml_string)	

	xml_string=re.sub('</entry>', '',xml_string) 	

	xml_string=re.sub('<row>', '',xml_string)	

	xml_string=re.sub('</row>', '',xml_string)	

	xml_string=re.sub('<tbody>', '',xml_string)	

	xml_string=re.sub('</tbody>', '',xml_string)	

	xml_string=re.sub('<table>', '',xml_string)			

	xml_string=re.sub('</table>', '',xml_string)	

	xml_string=re.sub('<thead>', '',xml_string)	

	xml_string=re.sub('</thead>', '',xml_string)	

#	xml_string=re.sub('<tgroup cols="[1-90]*"><colspec colwidth="[1-90]*"/><colspec colwidth="[1-90]*"/><colspec colwidth="[1-90]"/>', '',xml_string)

#	xml_string=re.sub('</tgroup', '',xml_string)	

	chapter= ET.Element("chapter")

	article=ET.SubElement(chapter,"article")

	articleinfo=ET.SubElement(article,"articleinfo")

	try:	

		tree = ET.fromstring(xml_string)

	except:

		print "xml_string problem"	

	#	print "fromstring"	

	try:    

	        title= ET.SubElement(articleinfo,"title") 

		title.text=tree.items()[1][1]

	except:

	        pass    

	article.insert(1,tree)

	xml_string=ET.tostring(chapter)

	xml_string=re.sub('<document [A-Za-z=/_."]*>' ,'',xml_string)

	xml_string=re.sub('</document>' ,'',xml_string)

	return xml_string

if __name__=='__main__':

	for name in names:

		#print name        

		xml_string=open(name,'r').read()

		#xml_string=open('ch9Using_Linux_Tools.xml','r').read()

		xml_string=convert2docbook(xml_string)

		docbook_file=name.split('.')[0]+'.docbook'

		f=open(docbook_file,'w')

		try:        

		    f.write(xml_string)

		except:

		        pass