XMLDouble.cpp
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- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 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) 2001, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Id: XMLDouble.cpp,v 1.10 2003/05/16 06:01:53 knoaman Exp $
- * $Log: XMLDouble.cpp,v $
- * Revision 1.10 2003/05/16 06:01:53 knoaman
- * Partial implementation of the configurable memory manager.
- *
- * Revision 1.9 2003/05/16 03:11:22 knoaman
- * Partial implementation of the configurable memory manager.
- *
- * Revision 1.8 2003/03/10 20:55:58 peiyongz
- * Schema Errata E2-40 double/float
- *
- * Revision 1.7 2003/02/02 23:54:43 peiyongz
- * getFormattedString() added to return original and converted value.
- *
- * Revision 1.6 2003/01/30 19:14:43 tng
- * On some platforms like Solaris strtod will return -0.0. So need to consider this scenario as well.
- *
- * Revision 1.5 2002/12/11 00:20:02 peiyongz
- * Doing businesss in value space. Converting out-of-bound value into special values.
- *
- * Revision 1.4 2002/11/04 15:22:05 tng
- * C++ Namespace Support.
- *
- * Revision 1.3 2002/09/24 19:51:24 tng
- * Performance: use XMLString::equals instead of XMLString::compareString
- *
- * Revision 1.2 2002/05/03 16:05:45 peiyongz
- * Bug 7341: Missing newline at end of util and DOM source files,
- * patch from Martin Kalen.
- *
- * Revision 1.1.1.1 2002/02/01 22:22:15 peiyongz
- * sane_include
- *
- * Revision 1.16 2001/11/19 21:33:42 peiyongz
- * Reorganization: Double/Float
- *
- * Revision 1.15 2001/11/19 17:27:55 peiyongz
- * Boundary Values updated
- *
- * Revision 1.14 2001/10/26 16:37:46 peiyongz
- * Add thread safe code
- *
- * Revision 1.12 2001/09/20 13:11:41 knoaman
- * Regx + misc. fixes
- *
- * Revision 1.11 2001/09/14 13:57:59 peiyongz
- * exponent is a must if 'E' or 'e' is present.
- *
- * Revision 1.10 2001/08/23 11:54:26 tng
- * Add newline at the end and various typo fixes.
- *
- * Revision 1.9 2001/08/21 15:10:15 peiyongz
- * Bugzilla# 3017: MSVC5.0: C2202: 'compareSpecial' : not all
- * control paths return a value
- *
- * Revision 1.8 2001/08/14 22:10:20 peiyongz
- * new exception message added
- *
- * Revision 1.7 2001/07/31 17:38:16 peiyongz
- * Fix: memory leak by static (boundry) objects
- *
- * Revision 1.6 2001/07/31 13:48:29 peiyongz
- * fValue removed
- *
- * Revision 1.5 2001/07/27 20:43:53 peiyongz
- * copy ctor: to check for special types.
- *
- * Revision 1.4 2001/07/26 18:21:15 peiyongz
- * Boundary Checking
- *
- * Revision 1.3 2001/07/25 19:06:56 peiyongz
- * Fix to Linux compilation error: XMLDouble::LiteralType' is not an aggregate type
- *
- * Revision 1.2 2001/07/24 21:52:27 peiyongz
- * XMLDouble: move fg...String to XMLUni
- *
- * Revision 1.1 2001/07/24 13:58:11 peiyongz
- * XMLDouble and related supporting methods from XMLBigInteger/XMLBigDecimal
- *
- */
- // ---------------------------------------------------------------------------
- // Includes
- // ---------------------------------------------------------------------------
- #include <xercesc/util/XMLDouble.hpp>
- #include <xercesc/util/XMLString.hpp>
- #include <xercesc/util/NumberFormatException.hpp>
- #include <xercesc/util/Janitor.hpp>
- #include <string.h>
- #include <stdlib.h>
- #include <errno.h>
- #include <float.h>
- XERCES_CPP_NAMESPACE_BEGIN
- // ---------------------------------------------------------------------------
- // ctor/dtor
- // ---------------------------------------------------------------------------
- XMLDouble::XMLDouble(const XMLCh* const strValue,
- MemoryManager* const manager)
- :XMLAbstractDoubleFloat(manager)
- {
- init(strValue);
- }
- XMLDouble::~XMLDouble()
- {
- }
- void XMLDouble::checkBoundary(const XMLCh* const strValue)
- {
- char *nptr = XMLString::transcode(strValue, getMemoryManager());
- ArrayJanitor<char> jan1(nptr, getMemoryManager());
- int strLen = strlen(nptr);
- char *endptr = 0;
- errno = 0;
- fValue = strtod(nptr, &endptr);
- // check if all chars are valid char
- if ( (endptr - nptr) != strLen)
- {
- ThrowXML(NumberFormatException, XMLExcepts::XMLNUM_Inv_chars);
- }
- // check if overflow/underflow occurs
- if (errno == ERANGE)
- {
- if ( fValue < 0 )
- {
- if (fValue > (-1)*DBL_MIN)
- {
- fDataConverted = true;
- fValue = 0;
- }
- else
- {
- fType = NegINF;
- fDataConverted = true;
- }
- }
- else if ( fValue > 0)
- {
- if (fValue < DBL_MIN )
- {
- fDataConverted = true;
- fValue = 0;
- }
- else
- {
- fType = PosINF;
- fDataConverted = true;
- }
- }
- else
- {
- fDataConverted = true;
- }
- }
- }
- XERCES_CPP_NAMESPACE_END