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57 lines
2.3 KiB
Python
57 lines
2.3 KiB
Python
#!/usr/bin/env python3
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### This Source Code Form is subject to the terms of the Mozilla Public
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### License, v. 2.0. If a copy of the MPL was not distributed with this
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### file, You can obtain one at http://mozilla.org/MPL/2.0/.
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### Copyright 2023 (c) Fraunhofer IOSB (Author: Noel Graf)
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from __future__ import print_function
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import sys
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import xml.dom.minidom as dom
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import codecs
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import re
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import base64
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import argparse
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###############################
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# Parse the Command Line Input#
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###############################
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parser = argparse.ArgumentParser()
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parser.add_argument('-x', '--xml',
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metavar="<nodeSetXML>",
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dest="xmlfile",
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help='NodeSet XML file with nodes that shall be generated.')
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parser.add_argument('outputFile',
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metavar='<outputFile>',
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help='output file w/o extension')
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args = parser.parse_args()
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# Extract the BSD Blob from the XML file.
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nodeset_base = open(args.xmlfile, "rb")
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fileContent = nodeset_base.read()
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# Remove BOM since the dom parser cannot handle it on python 3 windows
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if fileContent.startswith(codecs.BOM_UTF8):
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fileContent = fileContent.lstrip(codecs.BOM_UTF8)
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if (sys.version_info >= (3, 0)):
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fileContent = fileContent.decode("utf-8")
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# Remove the uax namespace from tags. UaModeler adds this namespace to some elements
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fileContent = re.sub(r"<([/]?)uax:(.+?)([/]?)>", "<\g<1>\g<2>\g<3>>", fileContent)
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nodesets = dom.parseString(fileContent).getElementsByTagName("UANodeSet")
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if len(nodesets) == 0 or len(nodesets) > 1:
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raise Exception("contains no or more then 1 nodeset")
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nodeset = nodesets[0]
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variableNodes = nodeset.getElementsByTagName("UAVariable")
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for nd in variableNodes:
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if (nd.hasAttribute("SymbolicName") and (re.match(r".*_BinarySchema", nd.attributes["SymbolicName"].nodeValue) or nd.attributes["SymbolicName"].nodeValue == "TypeDictionary_BinarySchema")) or (nd.hasAttribute("ParentNodeId") and not nd.hasAttribute("SymbolicName") and re.fullmatch(r"i=93", nd.attributes["ParentNodeId"].nodeValue)):
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type_content = nd.getElementsByTagName("Value")[0].getElementsByTagName("ByteString")[0]
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f = open(args.outputFile, 'w')
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f.write(base64.b64decode(type_content.firstChild.nodeValue).decode("utf-8"))
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f.flush()
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f.close()
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