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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, 2015 Oracle and/or its affiliates. All rights reserved.
    00005  *
    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