XMLBuffer.cpp
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- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2003 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/>.
- */
- /**
- * $Log: XMLBuffer.cpp,v $
- * Revision 1.4 2003/05/15 18:26:07 knoaman
- * Partial implementation of the configurable memory manager.
- *
- * Revision 1.3 2002/11/04 15:00:21 tng
- * C++ Namespace Support.
- *
- * Revision 1.2 2002/08/13 17:07:43 peiyongz
- * using 2 instead of 1.25 to expand capacity
- *
- * Revision 1.1.1.1 2002/02/01 22:21:50 peiyongz
- * sane_include
- *
- * Revision 1.5 2000/08/17 00:04:50 andyh
- * Fix error in growing of XMLBuffer from within ensureCapacity()
- * Fixes crash pointed out by Simon Fell.
- *
- * Revision 1.4 2000/05/15 22:31:11 andyh
- * Replace #include<memory.h> with <string.h> everywhere.
- *
- * Revision 1.3 2000/02/06 07:47:47 rahulj
- * Year 2K copyright swat.
- *
- * Revision 1.2 1999/11/23 01:04:19 roddey
- * Updates to some of the internal VC++ project files and some small
- * fixes to make XMLBuffer correctly character size agnostic.
- *
- * Revision 1.1.1.1 1999/11/09 01:08:29 twl
- * Initial checkin
- *
- * Revision 1.2 1999/11/08 20:44:35 rahul
- * Swat for adding in Product name and CVS comment log variable.
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <xercesc/framework/XMLBuffer.hpp>
- #include <xercesc/util/XMLString.hpp>
- XERCES_CPP_NAMESPACE_BEGIN
- // ---------------------------------------------------------------------------
- // XMLBuffer: Buffer management
- // ---------------------------------------------------------------------------
- void XMLBuffer::append(const XMLCh* const chars, const unsigned int count)
- {
- unsigned int actualCount = count;
- if (!count)
- actualCount = XMLString::stringLen(chars);
- insureCapacity(actualCount);
- memcpy(&fBuffer[fIndex], chars, actualCount * sizeof(XMLCh));
- fIndex += actualCount;
- }
- void XMLBuffer::set(const XMLCh* const chars, const unsigned int count)
- {
- unsigned int actualCount = count;
- if (!count)
- actualCount = XMLString::stringLen(chars);
- fIndex = 0;
- insureCapacity(actualCount);
- memcpy(fBuffer, chars, actualCount * sizeof(XMLCh));
- fIndex = actualCount;
- }
- // ---------------------------------------------------------------------------
- // XMLBuffer: Private helper methods
- // ---------------------------------------------------------------------------
- void XMLBuffer::expand()
- {
- unsigned int newCap = (unsigned int)(fCapacity * 1.5);
- // Allocate the new buffer
- XMLCh* newBuf = (XMLCh*) fMemoryManager->allocate((newCap + 1) * sizeof(XMLCh)); //new XMLCh[newCap + 1];
- // Copy over the old stuff
- memcpy(newBuf, fBuffer, fCapacity * sizeof(XMLCh));
- // Clean up old buffer and store new stuff
- fMemoryManager->deallocate(fBuffer); //delete [] fBuffer;
- fBuffer = newBuf;
- fCapacity = newCap;
- }
- void XMLBuffer::insureCapacity(const unsigned int extraNeeded)
- {
- // If we can handle it, do nothing yet
- if (fIndex + extraNeeded < fCapacity)
- return;
- // Oops, not enough room. Calc new capacity and allocate new buffer
- const unsigned int newCap = (unsigned int)((fIndex + extraNeeded) * 2);
- XMLCh* newBuf = (XMLCh*) fMemoryManager->allocate((newCap+1) * sizeof(XMLCh)); //new XMLCh[newCap+1];
- // Copy over the old stuff
- memcpy(newBuf, fBuffer, fCapacity * sizeof(XMLCh));
- // Clean up old buffer and store new stuff
- fMemoryManager->deallocate(fBuffer); //delete [] fBuffer;
- fBuffer = newBuf;
- fCapacity = newCap;
- }
- XERCES_CPP_NAMESPACE_END