| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xerces" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache\@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their featName, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation, and was |
| * originally based on software copyright (c) 1999, International |
| * Business Machines, Inc., http://www.ibm.com . For more information |
| * on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| /* |
| * $Id$ |
| * $Log$ |
| * 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; |
| } |
| |