RedirectHandlers.cpp
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- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2000 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 name, 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: RedirectHandlers.cpp,v 1.7 2002/02/01 22:38:26 peiyongz Exp $
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <xercesc/util/XMLUniDefs.hpp>
- #include <xercesc/util/XMLUni.hpp>
- #include <xercesc/sax/AttributeList.hpp>
- #include <xercesc/sax/SAXParseException.hpp>
- #include <xercesc/sax/SAXException.hpp>
- #include <xercesc/framework/LocalFileInputSource.hpp>
- #include "Redirect.hpp"
- #include <string.h>
- // ---------------------------------------------------------------------------
- // Local constant data
- //
- // gFileToTrap
- // This is the file that we are looking for in the entity handler, to
- // redirect to another file.
- //
- // gRedirectToFile
- // This is the file that we are going to redirect the parser to.
- // ---------------------------------------------------------------------------
- static const XMLCh gFileToTrap[] =
- {
- chLatin_p, chLatin_e, chLatin_r, chLatin_s, chLatin_o, chLatin_n
- , chLatin_a, chLatin_l, chPeriod, chLatin_d, chLatin_t, chLatin_d, chNull
- };
- static const XMLCh gRedirectToFile[] =
- {
- chLatin_r, chLatin_e, chLatin_d, chLatin_i, chLatin_r, chLatin_e
- , chLatin_c, chLatin_t, chPeriod, chLatin_d, chLatin_t, chLatin_d, chNull
- };
- // ---------------------------------------------------------------------------
- // RedirectHandlers: Constructors and Destructor
- // ---------------------------------------------------------------------------
- RedirectHandlers::RedirectHandlers() :
- fElementCount(0)
- , fAttrCount(0)
- , fCharacterCount(0)
- , fSpaceCount(0)
- {
- }
- RedirectHandlers::~RedirectHandlers()
- {
- }
- // ---------------------------------------------------------------------------
- // RedirectHandlers: Implementation of the SAX DocumentHandler interface
- // ---------------------------------------------------------------------------
- void RedirectHandlers::startElement(const XMLCh* const name
- , AttributeList& attributes)
- {
- fElementCount++;
- fAttrCount += attributes.getLength();
- }
- void RedirectHandlers::characters( const XMLCh* const chars
- , const unsigned int length)
- {
- fCharacterCount += length;
- }
- void RedirectHandlers::ignorableWhitespace( const XMLCh* const chars
- , const unsigned int length)
- {
- fSpaceCount += length;
- }
- void RedirectHandlers::resetDocument()
- {
- fAttrCount = 0;
- fCharacterCount = 0;
- fElementCount = 0;
- fSpaceCount = 0;
- }
- // ---------------------------------------------------------------------------
- // RedirectHandlers: Overrides of the SAX ErrorHandler interface
- // ---------------------------------------------------------------------------
- void RedirectHandlers::error(const SAXParseException& e)
- {
- cerr << "nError at (file " << StrX(e.getSystemId())
- << ", line " << e.getLineNumber()
- << ", char " << e.getColumnNumber()
- << "): " << StrX(e.getMessage()) << endl;
- }
- void RedirectHandlers::fatalError(const SAXParseException& e)
- {
- cerr << "nFatal Error at (file " << StrX(e.getSystemId())
- << ", line " << e.getLineNumber()
- << ", char " << e.getColumnNumber()
- << "): " << StrX(e.getMessage()) << endl;
- }
- void RedirectHandlers::warning(const SAXParseException& e)
- {
- cerr << "nWarning at (file " << StrX(e.getSystemId())
- << ", line " << e.getLineNumber()
- << ", char " << e.getColumnNumber()
- << "): " << StrX(e.getMessage()) << endl;
- }
- // -----------------------------------------------------------------------
- // Handlers for the SAX EntityResolver interface
- // -----------------------------------------------------------------------
- InputSource* RedirectHandlers::resolveEntity(const XMLCh* const publicId
- , const XMLCh* const systemId)
- {
- //
- // If its our file, then create a new URL input source for the file that
- // we want to really be used. Otherwise, just return zero to let the
- // default action occur.
- //
- // We cannot assume that the XMLCh type is ok to pass to wcscmp(), so
- // just do a comparison ourselves.
- //
- const XMLCh* s1 = publicId;
- const XMLCh* s2 = systemId;
- while (true)
- {
- // Break out on any difference
- if (*s1 != *s2)
- return 0;
- // If one is null, then both were null, so they are equal
- if (!*s1)
- break;
- // Else get the next char
- s1++;
- s2++;
- }
- // They were equal, so redirect to our other file
- return new LocalFileInputSource(gRedirectToFile);
- }