ooxml: make GrabBagStack ready for reuse and move it to oox

Change-Id: Ia7d52a003138a275860d3462382e636747343488

2 files changed, 94 insertions, 0 deletions

diff --git a/oox/Library_oox.mk b/oox/Library_oox.mk
index d17626750b49..cdda38a17929 100644
--- a/oox/Library_oox.mk
+++ b/oox/Library_oox.mk
@@ -217,6 +217,7 @@ $(eval $(call gb_Library_add_exception_objects,oox,\
     oox/source/helper/binarystreambase \
     oox/source/helper/containerhelper \
     oox/source/helper/graphichelper \
+    oox/source/helper/grabbagstack \
     oox/source/helper/modelobjecthelper \
     oox/source/helper/progressbar \
     oox/source/helper/propertymap \
diff --git a/oox/source/helper/grabbagstack.cxx b/oox/source/helper/grabbagstack.cxx
new file mode 100644
index 000000000000..ee7ec7079ec0
--- /dev/null
+++ b/oox/source/helper/grabbagstack.cxx
@@ -0,0 +1,93 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * 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/.
+ *
+ */
+
+#include "oox/helper/grabbagstack.hxx"
+#include <com/sun/star/uno/Sequence.hxx>
+
+namespace oox
+{
+
+using namespace css::beans;
+using namespace css::uno;
+
+GrabBagStack::GrabBagStack(OUString aName)
+{
+    mCurrentElement.maName = aName;
+}
+
+GrabBagStack::~GrabBagStack()
+{}
+
+OUString GrabBagStack::getCurrentName()
+{
+    return mCurrentElement.maName;
+}
+
+PropertyValue GrabBagStack::getRootProperty()
+{
+    while(!mStack.empty())
+        pop();
+
+    PropertyValue aProperty;
+    aProperty.Name = mCurrentElement.maName;
+
+    Sequence<PropertyValue> aSequence(mCurrentElement.maPropertyList.size());
+    PropertyValue* pSequence = aSequence.getArray();
+    std::vector<PropertyValue>::iterator i;
+    for (i = mCurrentElement.maPropertyList.begin(); i != mCurrentElement.maPropertyList.end(); ++i)
+        *pSequence++ = *i;
+
+    aProperty.Value = makeAny(aSequence);
+
+    return aProperty;
+}
+
+void GrabBagStack::appendElement(OUString aName, Any aAny)
+{
+    PropertyValue aValue;
+    aValue.Name = aName;
+    aValue.Value = aAny;
+    mCurrentElement.maPropertyList.push_back(aValue);
+}
+
+void GrabBagStack::push(OUString aKey)
+{
+    mStack.push(mCurrentElement);
+    mCurrentElement.maName = aKey;
+    mCurrentElement.maPropertyList.clear();
+}
+
+void GrabBagStack::pop()
+{
+    OUString aName = mCurrentElement.maName;
+    Sequence<PropertyValue> aSequence(mCurrentElement.maPropertyList.size());
+    PropertyValue* pSequence = aSequence.getArray();
+    std::vector<PropertyValue>::iterator i;
+    for (i = mCurrentElement.maPropertyList.begin(); i != mCurrentElement.maPropertyList.end(); ++i)
+        *pSequence++ = *i;
+
+    mCurrentElement = mStack.top();
+    mStack.pop();
+    appendElement(aName, makeAny(aSequence));
+}
+
+void GrabBagStack::addInt32(OUString aElementName, sal_Int32 aIntValue)
+{
+    appendElement(aElementName, makeAny(aIntValue));
+}
+
+void GrabBagStack::addString(OUString aElementName, OUString aStringValue)
+{
+    appendElement(aElementName, makeAny(aStringValue));
+}
+
+} // namespace oox
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */