| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * $Id: DOMPrintFilter.cpp 568078 2007-08-21 11:43:25Z amassari $ |
| * $Log$ |
| * Revision 1.4 2004/09/08 13:55:31 peiyongz |
| * Apache License Version 2.0 |
| * |
| * Revision 1.3 2002/06/04 14:22:51 peiyongz |
| * Implement setter/getter from DOMWriterFilter |
| * |
| * Revision 1.2 2002/06/03 22:40:07 peiyongz |
| * *** empty log message *** |
| * |
| * Revision 1.1 2002/05/29 13:33:32 peiyongz |
| * DOM3 Save Interface: DOMWriter/DOMWriterFilter |
| * |
| */ |
| |
| #include "DOMPrintFilter.hpp" |
| #include <xercesc/util/XMLUniDefs.hpp> |
| #include <xercesc/util/XMLString.hpp> |
| |
| static const XMLCh element_person[]= |
| { |
| chLatin_p, chLatin_e, chLatin_r, chLatin_s, chLatin_o, chLatin_n, chNull |
| }; |
| |
| static const XMLCh element_link[]= |
| { |
| chLatin_l, chLatin_i, chLatin_n, chLatin_k, chNull |
| }; |
| |
| DOMPrintFilter::DOMPrintFilter(unsigned long whatToShow) |
| :fWhatToShow(whatToShow) |
| {} |
| |
| short DOMPrintFilter::acceptNode(const DOMNode* node) const |
| { |
| // |
| // The DOMWriter shall call getWhatToShow() before calling |
| // acceptNode(), to show nodes which are supposed to be |
| // shown to this filter. |
| // |
| // REVISIT: In case the DOMWriter does not follow the protocol, |
| // Shall the filter honour, or NOT, what it claimes |
| // (when it is constructed/setWhatToShow()) |
| // it is interested in ? |
| // |
| // The DOMLS specs does not specify that acceptNode() shall do |
| // this way, or not, so it is up the implementation, |
| // to skip the code below for the sake of performance ... |
| // |
| if ((getWhatToShow() & (1 << (node->getNodeType() - 1))) == 0) |
| return DOMNodeFilter::FILTER_ACCEPT; |
| |
| switch (node->getNodeType()) |
| { |
| case DOMNode::ELEMENT_NODE: |
| { |
| // for element whose name is "person", skip it |
| if (XMLString::compareString(node->getNodeName(), element_person)==0) |
| return DOMNodeFilter::FILTER_SKIP; |
| // for element whose name is "line", reject it |
| if (XMLString::compareString(node->getNodeName(), element_link)==0) |
| return DOMNodeFilter::FILTER_REJECT; |
| // for rest, accept it |
| return DOMNodeFilter::FILTER_ACCEPT; |
| |
| break; |
| } |
| case DOMNode::COMMENT_NODE: |
| { |
| // the WhatToShow will make this no effect |
| return DOMNodeFilter::FILTER_REJECT; |
| break; |
| } |
| case DOMNode::TEXT_NODE: |
| { |
| // the WhatToShow will make this no effect |
| return DOMNodeFilter::FILTER_REJECT; |
| break; |
| } |
| case DOMNode::DOCUMENT_TYPE_NODE: |
| { |
| // even we say we are going to process document type, |
| // we are not able be to see this node since |
| // DOMWriterImpl (a XercesC's default implementation |
| // of DOMWriter) will not pass DocumentType node to |
| // this filter. |
| // |
| return DOMNodeFilter::FILTER_REJECT; // no effect |
| break; |
| } |
| case DOMNode::DOCUMENT_NODE: |
| { |
| // same as DOCUMENT_NODE |
| return DOMNodeFilter::FILTER_REJECT; // no effect |
| break; |
| } |
| default : |
| { |
| return DOMNodeFilter::FILTER_ACCEPT; |
| break; |
| } |
| } |
| |
| return DOMNodeFilter::FILTER_ACCEPT; |
| } |
| |