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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (C) 2009 Søren Roug, European Environment Agency
#
# This is free software. You may redistribute it under the terms
# of the Apache license and the GNU General Public License Version
# 2 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Contributor(s):
#
from xml.sax import make_parser,handler
from xml.sax.xmlreader import InputSource
import xml.sax.saxutils
import sys
from odf.namespaces import *
RELAXNS=u"http://relaxng.org/ns/structure/1.0"
#elements = {}
class Node:
ns = None
name = None
class Element(Node):
" Element "
def __init__(self):
self.attrs = {}
class Attribute(Node):
" Attribute "
#
#
class S22RelaxParser(handler.ContentHandler):
""" Extract headings from content.xml of an ODT file """
optional = 0
currattr = None
currelem = None
currnode = None
currdef = None
definitions = {}
ignore = 0
def __init__(self):
self.data = []
self.level = 0
def text(self):
return ''.join(self.data).strip()
def characters(self, data):
self.data.append(data)
def startElementNS(self, tag, qname, attrs):
if self.ignore == 1:
return
#print "START ",tag
if tag == (RELAXNS, 'define'):
self.currdef = {}
self.currdef['refs'] = []
self.currdef['elements'] = []
self.currdef['name'] = attrs.get( (None, 'name'))
elif tag in ((RELAXNS, 'attribute'), (RELAXNS, 'start')):
self.ignore = 1
elif tag == (RELAXNS, 'ref'):
ref = attrs.get( (None, 'name'))
if ref not in self.currdef['refs']:
self.currdef['refs'].append(ref)
elif tag == (RELAXNS, 'name'):
self.currdef['ns'] = attrs.get( (None, 'ns'))
self.data = []
def endElementNS(self, tag, qname):
if tag in ((RELAXNS, 'attribute'), (RELAXNS, 'start')):
self.ignore = 0
return
if self.ignore == 1:
return
#print "END ",tag
if tag == (RELAXNS, 'define'):
if len(self.currdef['elements']):
self.definitions[self.currdef['name']] = self.currdef
elif tag == (RELAXNS, 'name'):
self.currdef['elements'].append(self.text())
elif tag == (RELAXNS, 'anyName'):
self.currdef['elements'].append("__ANYNAME__")
self.data = []
if __name__ == "__main__":
elements = {}
parser = make_parser()
parser.setFeature(handler.feature_namespaces, 1)
p = S22RelaxParser()
parser.setContentHandler(p)
parser.setErrorHandler(handler.ErrorHandler())
for relaxfile in ["simple-manifest-7-22.rng","simple-schema-7-22.rng"]:
content = file(relaxfile)
inpsrc = InputSource()
inpsrc.setByteStream(content)
parser.parse(inpsrc)
definitions = p.definitions
keys= definitions.keys()
keys.sort()
print '''# -*- coding: utf-8 -*-
# Copyright (C) 2006-2008 Søren Roug, European Environment Agency
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Contributor(s):
#
__doc__=""" In principle the OpenDocument schema converted to python structures.
Currently it contains the legal child elements of a given element.
To be used for validation check in the API
"""
from odf.namespaces import *'''
print "allowed_children = {"
for key in keys:
definition = definitions[key]
for elmname in sorted(definition['elements']):
if elmname == u'__ANYNAME__':
continue
ns = definition.get('ns','UNKNOWN')
if ns == DBNS: continue
refs = definition['refs']
print "# allowed_children"
if len(refs) == 1 and u'__ANYNAME__' in definitions[refs[0]]['elements']:
print "\t(%sNS,u'%s') : " % (nsdict.get(ns,'unknown').upper(), elmname)
print "\t\tNone,"
else:
print "\t(%sNS,u'%s') : (" % (nsdict.get(ns,'unknown').upper(), elmname)
for r in sorted(refs):
ns = definitions[r].get('ns','UNKNOWN')
for elmref in definitions[r]['elements']:
print "\t\t(%sNS,u'%s'), " % (nsdict.get(ns,'unknown').upper(), elmref)
print "\t),"
print "}"
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