From d6d705bf12e6f7ecc9a01fd2fb2a91f9f2283abc Mon Sep 17 00:00:00 2001
From: erich koslovsky <erikos@localhost.localdomain>
Date: Thu, 16 Aug 2007 21:01:40 +0000
Subject: Made the model more flexible in terms of future extensions. Fixed some minor bugs.

---
(limited to 'xmlio.py')

diff --git a/xmlio.py b/xmlio.py
deleted file mode 100644
index fe1b4d8..0000000
--- a/xmlio.py
+++ /dev/null
@@ -1,127 +0,0 @@
-#
-#    Copyright (C) 2006, 2007, One Laptop Per Child
-#
-#    This program is free software; you can redistribute it and/or modify
-#    it under the terms of the GNU General Public License as published by
-#    the Free Software Foundation; either version 2 of the License, or
-#    (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU General Public License for more details.
-#
-#    You should have received a copy of the GNU General Public License
-#    along with this program; if not, write to the Free Software
-#    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-#
-
-import libxml2
-import os
-import logging
-import base64
-
-
-_logger = logging.getLogger('xmlio')
-
-
-class Xmlio(object):
-    ''' The xmlio of the activity. Contains methods to read and write
-    the configuration for a browser session to and from xml. 
-    '''
-    
-    def __init__(self, dtdpath, linkbar):        
-        self.linkbar = linkbar        
-        self.data = {}
-        self.dtdpath = dtdpath
-        self.data['name'] = 'first'
-        self.session_data = ''
-        
-        try:
-            self.dtd = libxml2.parseDTD(None, os.path.join(self.dtdpath, 'browser.dtd'))
-        except libxml2.parserError, e:
-            _logger.error('Init: no browser.dtd found ' +str(e))
-            self.dtd = None
-        self.ctxt = libxml2.newValidCtxt()               
-
-    def read(self, filepath):
-        ''' reads the configuration from an xml file '''
-        
-        try:
-            doc = libxml2.parseFile(filepath)
-            if doc.validateDtd(self.ctxt, self.dtd):
-        
-                # get the requested nodes
-                xpa = doc.xpathNewContext()
-                res = xpa.xpathEval("//*")
-
-                # write their content to the data structure
-                for elem in res:
-                    attributes = elem.get_properties()
-                    thumb = ''
-                    link_name = ''
-                    id = None
-                    if( elem.name == 'link' ):
-                        for attribute in attributes:
-                            if(attribute.name == 'id'):
-                                id = int(attribute.content)
-                            elif(attribute.name == 'name'):
-                                link_name = attribute.content
-                            elif(attribute.name == 'thumb'):
-                                thumb = attribute.content                                
-                        self.linkbar._add_link(link_name, base64.b64decode(thumb), id)
-                
-                    elif( elem.name == 'session' ):
-                        for attribute in attributes:
-                            if(attribute.name == 'data'):                            
-                                self.session_data = attribute.content
-                        
-                    elif( elem.name == 'browser' ):
-                        for attribute in attributes:
-                            if(attribute.name == 'name'):                            
-                                self.data['name'] = attribute.content
-                                
-                xpa.xpathFreeContext()
-            else:
-                _logger.error('Read: Error in validation of the file')
-                doc.freeDoc()
-                return 1
-            doc.freeDoc()
-            return 0
-        except libxml2.parserError, e:
-            _logger.error('Read: Error parsing file ' +str(e))
-            return 2
-        
-                
-    def write(self, filepath):
-        ''' writes the configuration to an xml file '''
-        doc = libxml2.newDoc("1.0")
-        root = doc.newChild(None, "browser", None)
-        
-        if(self.data.get('name', None) != None):                            
-            root.setProp("name", self.data['name'])
-        else:
-            _logger.error('Write: No name is specified. Can not write session.')
-            return 1
-
-        elem = root.newChild(None, "session", None)
-        elem.setProp("data", self.session_data)
-
-        for child in self.linkbar.get_children():
-            elem = root.newChild(None, "link", None)
-            elem.setProp("id", str(self.linkbar.get_item_index(child)))
-            elem.setProp("name", child.link_name)
-            elem.setProp("thumb", base64.b64encode(child.buf))
-
-                        
-        if doc.validateDtd(self.ctxt, self.dtd):
-            doc.saveFormatFile(filepath, 1)
-        else:
-            _logger.error('Write: Error in validation of the file')
-            doc.freeDoc()
-            return 2
-        doc.freeDoc()
-        return 0
-        
-
-    
--
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