1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 25 #ifndef DUMMYTAG_HXX_INCLUDED 26 #define DUMMYTAG_HXX_INCLUDED 27 28 #include "itag.hxx" 29 30 /*************************** dummy tag readers ***************************/ 31 32 /** Implements the ITag interface but does 33 nothing (Null object pattern), may be used for 34 tags we are not interessted in to avoid if-else 35 branches. 36 */ 37 class CDummyTag : public ITag 38 { 39 public: startTag()40 virtual void startTag(){}; 41 endTag()42 virtual void endTag(){}; 43 addCharacters(const std::wstring &)44 virtual void addCharacters(const std::wstring& /*characters*/){}; 45 addAttributes(const XmlTagAttributes_t &)46 virtual void addAttributes(const XmlTagAttributes_t& /*attributes*/){}; 47 getTagContent(void)48 virtual std::wstring getTagContent( void ) 49 { 50 return EMPTY_STRING; 51 }; 52 getTagAttribute(::std::wstring const &)53 virtual ::std::wstring const getTagAttribute( ::std::wstring const & /*attrname*/ ){ return ::std::wstring(EMPTY_STRING); }; 54 }; 55 56 57 #endif 58