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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, 2011,
00005  *     Oracle and/or its affiliates. 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 
00020 #ifndef _NSFIXUPFILTER_HPP
00021 #define _NSFIXUPFILTER_HPP
00022 
00023 #include <xqilla/events/EventHandler.hpp>
00024 
00025 class XPath2MemoryManager;
00026 
00027 class XQILLA_API NSFixupFilter : public EventFilter
00028 {
00029 public:
00030   NSFixupFilter(EventHandler *next, XPath2MemoryManager *mm);
00031   ~NSFixupFilter();
00032 
00033   virtual void startDocumentEvent(const XMLCh *documentURI, const XMLCh *encoding);
00034   virtual void endDocumentEvent();
00035   virtual void startElementEvent(const XMLCh *prefix, const XMLCh *uri, const XMLCh *localname);
00036   virtual void endElementEvent(const XMLCh *prefix, const XMLCh *uri, const XMLCh *localname,
00037                                const XMLCh *typeURI, const XMLCh *typeName);
00038   virtual void attributeEvent(const XMLCh *prefix, const XMLCh *uri, const XMLCh *localname, const XMLCh *value,
00039                               const XMLCh *typeURI, const XMLCh *typeName);
00040   virtual void namespaceEvent(const XMLCh *prefix, const XMLCh *uri);
00041 
00042 private:
00043   struct ElemEntry {
00044     void set(const XMLCh *p, ElemEntry *pr)
00045     { prefix = p; prev = pr; }
00046 
00047     const XMLCh *prefix;
00048     ElemEntry *prev;
00049   };
00050 
00051   struct NSEntry {
00052     void set(const XMLCh *p, const XMLCh *u, unsigned int l, NSEntry *pr)
00053     { prefix = p; uri = u; level = l; prev = pr; }
00054 
00055     const XMLCh *prefix;
00056     const XMLCh *uri;
00057     unsigned int level;
00058 
00059     NSEntry *prev;
00060   };
00061 
00062   NSEntry *findPrefix(const XMLCh *prefix);
00064   bool definePrefix(const XMLCh *&prefix, const XMLCh *uri, bool attr = false, bool redefine = true);
00065 
00066   XPath2MemoryManager *mm_;
00067   unsigned int level_;
00068   ElemEntry *elements_;
00069   NSEntry *namespaces_;
00070 };
00071 
00072 #endif