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Diffstat (limited to 'writerfilter/source/ooxml/modelpreprocess.py')
-rw-r--r-- | writerfilter/source/ooxml/modelpreprocess.py | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/writerfilter/source/ooxml/modelpreprocess.py b/writerfilter/source/ooxml/modelpreprocess.py new file mode 100644 index 000000000..d6ef4c175 --- /dev/null +++ b/writerfilter/source/ooxml/modelpreprocess.py @@ -0,0 +1,90 @@ +#!/usr/bin/env python +# +# This file is part of the LibreOffice project. +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. +# + +from xml.dom import minidom +import sys + + +def prefixForGrammar(namespace): + ns = namespace.getElementsByTagName("grammar")[0].getAttribute("ns") + return ooxUrlAliases[ns] + + +def parseNamespaceAliases(node): + ret = {} + for k, v in list(node.attributes.items()): + if k.startswith("xmlns:"): + ret[k.replace('xmlns:', '')] = v + return ret + + +def parseNamespaces(fro): + sock = open(fro) + for i in sock.readlines(): + line = i.strip() + alias, url = line.split(' ')[1:] + ooxUrlAliases[url] = alias + sock.close() + + +def check(model): + defines = [i.getAttribute("name") for i in model.getElementsByTagName("define")] + for reference in [i.getAttribute("name") for i in model.getElementsByTagName("ref")]: + if reference not in defines: + raise Exception("Unknown define element with name '%s'" % reference) + for start in [i.getAttribute("name") for i in model.getElementsByTagName("start")]: + if start not in defines: + raise Exception("Unknown start element with name '%s'" % start) + + +def preprocess(model): + modelNode = [i for i in model.childNodes if i.localName == "model"][0] + # Alias -> URL, based on "xmlns:" attributes. + modelNamespaceAliases = parseNamespaceAliases(modelNode) + for i in modelNode.getElementsByTagName("namespace"): + grammarprefix = prefixForGrammar(i) + + grammar = i.getElementsByTagName("grammar")[0] + + for j in i.getElementsByTagName("element") + i.getElementsByTagName("attribute"): + # prefix + prefix = "" + if ":" in j.getAttribute("name"): + nameprefix = j.getAttribute("name").split(':')[0] + prefix = ooxUrlAliases[modelNamespaceAliases[nameprefix]] + elif j.localName == "attribute": + if grammar.getAttribute("attributeFormDefault") == "qualified": + prefix = grammarprefix + else: + prefix = grammarprefix + + # localname + if ":" in j.getAttribute("name"): + localname = j.getAttribute("name").split(':')[1] + else: + localname = j.getAttribute("name") + + # set the attributes + j.setAttribute("prefix", prefix) + j.setAttribute("localname", localname) + + +namespacesPath = sys.argv[1] +modelPath = sys.argv[2] + +# URL -> alias, from oox +ooxUrlAliases = {} +parseNamespaces(namespacesPath) + +model = minidom.parse(modelPath) +check(model) +preprocess(model) +model.writexml(sys.stdout) + +# vim:set shiftwidth=4 softtabstop=4 expandtab: |