204 lines
8.2 KiB
Python
204 lines
8.2 KiB
Python
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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###
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### Author: Chris Iatrou (ichrispa@core-vector.net)
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### Version: rev 13
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###
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### This program was created for educational purposes and has been
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### contributed to the open62541 project by the author. All licensing
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### terms for this source is inherited by the terms and conditions
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### specified for by the open62541 project (see the projects readme
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### file for more information on the LGPL terms and restrictions).
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###
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### This program is not meant to be used in a production environment. The
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### author is not liable for any complications arising due to the use of
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### this program.
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###
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from __future__ import print_function
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from sys import argv, exit
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from os import path
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from ua_namespace import *
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from logger import *
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from open62541_XMLPreprocessor import open62541_XMLPreprocessor
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def usage():
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print("Script usage:")
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print("generate_open62541CCode [-i <ignorefile> | -b <blacklistfile>] <namespace XML> [namespace.xml[ namespace.xml[...]]] <output file>\n")
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print("generate_open62541CCode will first read all XML files passed on the command line, then ")
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print("link and check the namespace. All nodes that fullfill the basic requirements will then be")
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print("printed as C-Code intended to be included in the open62541 OPC-UA Server that will")
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print("initialize the corresponding name space.\n")
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print("Manditory Arguments:")
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print("<namespace XML> At least one Namespace XML file must be passed.")
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print("<output file> The basename for the <output file>.c and <output file>.h files to be generated.")
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print(" This will also be the function name used in the header and c-file.\n\n")
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print("Additional Arguments:")
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print(""" -i <ignoreFile> Loads a list of NodeIDs stored in ignoreFile (one NodeID per line)
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The compiler will assume that these Nodes have been created externally
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and not generate any code for them. They will however be linked to
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from other nodes.""")
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print(""" -b <blacklistFile> Loads a list of NodeIDs stored in blacklistFile (one NodeID per line)
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Any of the nodeIds encountered in this file will be removed from the namespace
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prior to compilation. Any references to these nodes will also be removed""")
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print(""" -s <attribute> Suppresses the generation of some node attributes. Currently supported
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options are 'description', 'browseName', 'displayName', 'writeMask', 'userWriteMask'
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and 'nodeid'.""")
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print(""" namespaceXML Any number of namespace descriptions in XML format. Note that the
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last description of a node encountered will be used and all prior definitions
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are discarded.""")
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if __name__ == '__main__':
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# Check if the parameters given correspond to actual files
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infiles = []
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ouffile = ""
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ignoreFiles = []
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blacklistFiles = []
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supressGenerationOfAttribute=[]
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GLOBAL_LOG_LEVEL = LOG_LEVEL_DEBUG
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arg_isIgnore = False
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arg_isBlacklist = False
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arg_isSupress = False
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if len(argv) < 2:
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usage()
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exit(1)
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for filename in argv[1:-1]:
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if arg_isIgnore:
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arg_isIgnore = False
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if path.exists(filename):
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ignoreFiles.append(filename)
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else:
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log(None, "File " + str(filename) + " does not exist.", LOG_LEVEL_ERROR)
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usage()
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exit(1)
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elif arg_isBlacklist:
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arg_isBlacklist = False
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if path.exists(filename):
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blacklistFiles.append(filename)
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else:
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log(None, "File " + str(filename) + " does not exist.", LOG_LEVEL_ERROR)
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usage()
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exit(1)
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elif arg_isSupress:
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arg_isSupress = False
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supressGenerationOfAttribute.append(filename.lower())
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else:
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if path.exists(filename):
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infiles.append(filename)
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elif filename.lower() == "-i" or filename.lower() == "--ignore" :
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arg_isIgnore = True
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elif filename.lower() == "-b" or filename.lower() == "--blacklist" :
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arg_isBlacklist = True
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elif filename.lower() == "-s" or filename.lower() == "--suppress" :
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arg_isSupress = True
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else:
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log(None, "File " + str(filename) + " does not exist.", LOG_LEVEL_ERROR)
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usage()
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exit(1)
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# Creating the header is tendious. We can skip the entire process if
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# the header exists.
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#if path.exists(argv[-1]+".c") or path.exists(argv[-1]+".h"):
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# log(None, "File " + str(argv[-1]) + " does already exists.", LOG_LEVEL_INFO)
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# log(None, "Header generation will be skipped. Delete the header and rerun this script if necessary.", LOG_LEVEL_INFO)
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# exit(0)
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# Open the output file
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outfileh = open(argv[-1]+".h", r"w+")
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outfilec = open(argv[-1]+".c", r"w+")
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# Create a new namespace
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# Note that the name is actually completely symbolic, it has no other
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# function but to distinguish this specific class.
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# A namespace class acts as a container for nodes. The nodes may belong
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# to any number of different OPC-UA namespaces.
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ns = opcua_namespace("open62541")
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# Clean up the XML files by removing duplicate namespaces and unwanted prefixes
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preProc = open62541_XMLPreprocessor()
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for xmlfile in infiles:
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log(None, "Preprocessing " + str(xmlfile), LOG_LEVEL_INFO)
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preProc.addDocument(xmlfile)
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preProc.preprocessAll()
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for xmlfile in preProc.getPreProcessedFiles():
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log(None, "Parsing " + str(xmlfile), LOG_LEVEL_INFO)
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ns.parseXML(xmlfile)
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# We need to notify the open62541 server of the namespaces used to be able to use i.e. ns=3
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namespaceArrayNames = preProc.getUsedNamespaceArrayNames()
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for key in namespaceArrayNames:
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ns.addNamespace(key, namespaceArrayNames[key])
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# Remove any temp files - they are not needed after the AST is created
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# Removed for debugging
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preProc.removePreprocessedFiles()
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# Remove blacklisted nodes from the namespace
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# Doing this now ensures that unlinkable pointers will be cleanly removed
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# during sanitation.
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for blacklist in blacklistFiles:
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bl = open(blacklist, "r")
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for line in bl.readlines():
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line = line.replace(" ","")
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id = line.replace("\n","")
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if ns.getNodeByIDString(id) == None:
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log(None, "Can't blacklist node, namespace does currently not contain a node with id " + str(id), LOG_LEVEL_WARN)
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else:
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ns.removeNodeById(line)
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bl.close()
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# Link the references in the namespace
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log(None, "Linking namespace nodes and references", LOG_LEVEL_INFO)
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ns.linkOpenPointers()
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# Remove nodes that are not printable or contain parsing errors, such as
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# unresolvable or no references or invalid NodeIDs
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ns.sanitize()
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# Parse Datatypes in order to find out what the XML keyed values actually
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# represent.
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# Ex. <rpm>123</rpm> is not encodable
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# only after parsing the datatypes, it is known that
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# rpm is encoded as a double
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log(None, "Building datatype encoding rules", LOG_LEVEL_INFO)
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ns.buildEncodingRules()
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# Allocate/Parse the data values. In order to do this, we must have run
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# buidEncodingRules.
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log(None, "Allocating variables", LOG_LEVEL_INFO)
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ns.allocateVariables()
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# Users may have manually defined some nodes in their code already (such as serverStatus).
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# To prevent those nodes from being reprinted, we will simply mark them as already
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# converted to C-Code. That way, they will still be reffered to by other nodes, but
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# they will not be created themselves.
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ignoreNodes = []
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for ignore in ignoreFiles:
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ig = open(ignore, "r")
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for line in ig.readlines():
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line = line.replace(" ","")
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id = line.replace("\n","")
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if ns.getNodeByIDString(id) == None:
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log(None, "Can't ignore node, Namespace does currently not contain a node with id " + str(id), LOG_LEVEL_WARN)
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else:
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ignoreNodes.append(ns.getNodeByIDString(id))
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ig.close()
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# Create the C Code
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log(None, "Generating Header", LOG_LEVEL_INFO)
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# Returns a tuple of (["Header","lines"],["Code","lines","generated"])
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generatedCode=ns.printOpen62541Header(ignoreNodes, supressGenerationOfAttribute, outfilename=path.basename(argv[-1]))
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for line in generatedCode[0]:
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outfileh.write(line+"\n")
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for line in generatedCode[1]:
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outfilec.write(line+"\n")
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outfilec.close()
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outfileh.close()
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exit(0)
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