# -*- coding: mbcs -*- 
#!/usr/bin/python

import libxml2, libxslt


class compoundXML: 
  def __init__(self): 
    self._result = None 
    self._xsl = None 
    self._xml = None 
    
    
  def do(self, xml_file_name, xsl_file_name):    
    self._xml = libxml2.parseFile(xml_file_name) 
    if self._xml == None: 
      return 0
    styledoc = libxml2.parseFile(xsl_file_name) 
    if styledoc == None: 
      return 0
    self._xsl = libxslt.parseStylesheetDoc(styledoc) 
    if self._xsl == None: 
      return 0

    self._result = self._xsl.applyStylesheet(self._xml, None)        
    
  def get_xml_doc(self): 
    return self._result      
    
    
  def get_translated(self): 
    return self._result.serialize('UTF-8')    
  
  def save_translated(self, file_name): 
    self._xsl.saveResultToFilename(file_name, self._result, 0) 
    
  def release(self): 
    ''' 
    this function must be called in the end. 
    ''' 
    self._xsl.freeStylesheet() 
    self._xml.freeDoc() 
    self._result.freeDoc() 
    self._xsl = None 
    self._xml = None 
    self._result = None 
    
    

if __name__ == '__main__': 
  test = compoundXML() 
  test.do('test/testxmlutil.xml', 'test/testxmlutil.xsl') 
  print test.get_translated() 
  test.save_translated('test/testxmlutil.htm') 
  test.release()