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NSFixupFilter.hpp

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00001 /*
00002  * Copyright (c) 2001-2008
00003  *     DecisionSoft Limited. All rights reserved.
00004  * Copyright (c) 2004-2008
00005  *     Oracle. All rights reserved.
00006  *
00007  * Licensed under the Apache License, Version 2.0 (the "License");
00008  * you may not use this file except in compliance with the License.
00009  * You may obtain a copy of the License at
00010  *
00011  *     http://www.apache.org/licenses/LICENSE-2.0
00012  *
00013  * Unless required by applicable law or agreed to in writing, software
00014  * distributed under the License is distributed on an "AS IS" BASIS,
00015  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00016  * See the License for the specific language governing permissions and
00017  * limitations under the License.
00018  *
00019  * $Id: NSFixupFilter.hpp 475 2008-01-08 18:47:44Z jpcs $
00020  */
00021 
00022 #ifndef _NSFIXUPFILTER_HPP
00023 #define _NSFIXUPFILTER_HPP
00024 
00025 #include <xqilla/events/EventHandler.hpp>
00026 
00027 class XPath2MemoryManager;
00028 
00029 class XQILLA_API NSFixupFilter : public EventFilter
00030 {
00031 public:
00032   NSFixupFilter(EventHandler *next, XPath2MemoryManager *mm);
00033   ~NSFixupFilter();
00034 
00035   virtual void startDocumentEvent(const XMLCh *documentURI, const XMLCh *encoding);
00036   virtual void endDocumentEvent();
00037   virtual void startElementEvent(const XMLCh *prefix, const XMLCh *uri, const XMLCh *localname);
00038   virtual void endElementEvent(const XMLCh *prefix, const XMLCh *uri, const XMLCh *localname,
00039                                const XMLCh *typeURI, const XMLCh *typeName);
00040   virtual void attributeEvent(const XMLCh *prefix, const XMLCh *uri, const XMLCh *localname, const XMLCh *value,
00041                               const XMLCh *typeURI, const XMLCh *typeName);
00042   virtual void namespaceEvent(const XMLCh *prefix, const XMLCh *uri);
00043 
00044 private:
00045   struct ElemEntry {
00046     void set(const XMLCh *p, ElemEntry *pr)
00047     { prefix = p; prev = pr; }
00048 
00049     const XMLCh *prefix;
00050     ElemEntry *prev;
00051   };
00052 
00053   struct NSEntry {
00054     void set(const XMLCh *p, const XMLCh *u, unsigned int l, NSEntry *pr)
00055     { prefix = p; uri = u; level = l; prev = pr; }
00056 
00057     const XMLCh *prefix;
00058     const XMLCh *uri;
00059     unsigned int level;
00060 
00061     NSEntry *prev;
00062   };
00063 
00064   NSEntry *findPrefix(const XMLCh *prefix);
00066   bool definePrefix(const XMLCh *&prefix, const XMLCh *uri, bool attr = false, bool redefine = true);
00067 
00068   XPath2MemoryManager *mm_;
00069   unsigned int level_;
00070   ElemEntry *elements_;
00071   NSEntry *namespaces_;
00072 };
00073 
00074 #endif

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