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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /khtml/xml/dom2_traversalimpl.h
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/*
+ * This file is part of the DOM implementation for KDE.
+ *
+ * (C) 1999 Lars Knoll (knoll@kde.org)
+ * (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
+ * (C) 2001 Peter Kelly (pmk@post.com)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef _DOM2_TraversalImpl_h_
+#define _DOM2_TraversalImpl_h_
+
+#include "dom/dom_node.h"
+#include "dom/dom_misc.h"
+#include "misc/shared.h"
+#include "dom/dom2_traversal.h"
+
+namespace DOM {
+
+class NodeImpl;
+class DocumentImpl;
+
+class NodeIteratorImpl : public khtml::Shared<NodeIteratorImpl>
+{
+public:
+ NodeIteratorImpl(NodeImpl *_root, unsigned long _whatToShow, NodeFilter _filter, bool _entityReferenceExpansion);
+ ~NodeIteratorImpl();
+
+
+ NodeImpl *root();
+ unsigned long whatToShow();
+ NodeFilter filter();
+ bool expandEntityReferences();
+
+ NodeImpl *nextNode(int &exceptioncode);
+ NodeImpl *previousNode(int &exceptioncode);
+ void detach(int &exceptioncode);
+
+
+ /**
+ * This function has to be called if you delete a node from the
+ * document tree and you want the Iterator to react if there
+ * are any changes concerning it.
+ */
+ void notifyBeforeNodeRemoval(NodeImpl *removed);
+
+ short isAccepted(NodeImpl *n);
+ NodeImpl *getNextNode(NodeImpl *n);
+ NodeImpl *getPreviousNode(NodeImpl *n);
+protected:
+ NodeImpl *m_root;
+ long m_whatToShow;
+ NodeFilter m_filter;
+ bool m_expandEntityReferences;
+
+ bool m_inFront;
+ NodeImpl *m_referenceNode;
+ bool m_detached;
+ DocumentImpl *m_doc;
+};
+
+class NodeFilterImpl : public khtml::Shared<NodeFilterImpl>
+{
+public:
+ NodeFilterImpl();
+ ~NodeFilterImpl();
+
+ short acceptNode(const Node &n);
+
+ void setCustomNodeFilter(CustomNodeFilter *custom);
+ CustomNodeFilter *customNodeFilter();
+protected:
+ CustomNodeFilter *m_customNodeFilter;
+
+};
+
+class TreeWalkerImpl : public khtml::Shared<TreeWalkerImpl>
+{
+public:
+ TreeWalkerImpl();
+ TreeWalkerImpl(const TreeWalkerImpl &other);
+ TreeWalkerImpl(NodeImpl *n, NodeFilter f);
+ TreeWalkerImpl(NodeImpl *n, long _whatToShow, NodeFilterImpl *f,
+ bool entityReferenceExpansion);
+ TreeWalkerImpl & operator = (const TreeWalkerImpl &other);
+
+
+ ~TreeWalkerImpl();
+
+ NodeImpl *getRoot() const;
+
+ unsigned long getWhatToShow() const;
+
+ NodeFilterImpl *getFilter() const;
+
+ bool getExpandEntityReferences() const;
+
+ NodeImpl *getCurrentNode() const;
+
+ void setCurrentNode( NodeImpl *_currentNode);
+
+ NodeImpl *parentNode();
+
+ NodeImpl *firstChild();
+
+ NodeImpl *lastChild ();
+
+ NodeImpl *previousSibling ();
+
+ NodeImpl *nextSibling();
+
+ NodeImpl *previousNode();
+
+ NodeImpl *nextNode();
+
+
+ /**
+ * Sets which node types are to be presented via the TreeWalker
+ */
+ void setWhatToShow(long _whatToShow);
+ void setFilter(NodeFilterImpl *_filter);
+ void setExpandEntityReferences(bool value);
+
+ NodeImpl *getParentNode(NodeImpl *n);
+ NodeImpl *getFirstChild(NodeImpl *n);
+ NodeImpl *getLastChild(NodeImpl *n);
+ NodeImpl *getPreviousSibling(NodeImpl *n);
+ NodeImpl *getNextSibling(NodeImpl *n);
+
+ short isAccepted(NodeImpl *n);
+
+protected:
+ /**
+ * This attribute determines which node types are presented via
+ * the TreeWalker.
+ *
+ */
+ long m_whatToShow;
+
+ /**
+ * The filter used to screen nodes.
+ *
+ */
+ NodeFilterImpl *m_filter;
+
+ /**
+ * The value of this flag determines whether entity reference
+ * nodes are expanded. To produce a view of the document that has
+ * entity references expanded and does not expose the entity
+ * reference node itself, use the whatToShow flags to hide the
+ * entity reference node and set expandEntityReferences to true
+ * when creating the iterator. To produce a view of the document
+ * that has entity reference nodes but no entity expansion, use
+ * the whatToShow flags to show the entity reference node and set
+ * expandEntityReferences to true.
+ *
+ * This is not implemented (always true)
+ */
+ bool m_expandEntityReferences;
+
+ /**
+ * The current node.
+ *
+ * The value must not be null. Attempting to set it to null will
+ * raise a NOT_SUPPORTED_ERR exception. When setting a node, the
+ * whatToShow flags and any Filter associated with the TreeWalker
+ * are not checked. The currentNode may be set to any Node of any
+ * type.
+ *
+ */
+ NodeImpl *m_currentNode;
+
+ NodeImpl *m_rootNode;
+ DocumentImpl *m_doc;
+};
+
+
+} // namespace
+
+#endif
+