Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: