[188] | 1 | /*
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| 2 | * The Apache Software License, Version 1.1
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| 3 | *
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| 4 | * Copyright (c) 2001 The Apache Software Foundation. All rights
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| 5 | * reserved.
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| 6 | *
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| 7 | * Redistribution and use in source and binary forms, with or without
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| 8 | * modification, are permitted provided that the following conditions
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| 9 | * are met:
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| 10 | *
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| 11 | * 1. Redistributions of source code must retain the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer.
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| 13 | *
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| 14 | * 2. Redistributions in binary form must reproduce the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer in
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| 16 | * the documentation and/or other materials provided with the
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| 17 | * distribution.
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| 18 | *
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| 19 | * 3. The end-user documentation included with the redistribution,
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| 20 | * if any, must include the following acknowledgment:
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| 21 | * "This product includes software developed by the
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| 22 | * Apache Software Foundation (http://www.apache.org/)."
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| 23 | * Alternately, this acknowledgment may appear in the software itself,
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| 24 | * if and wherever such third-party acknowledgments normally appear.
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| 25 | *
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| 26 | * 4. The names "Xerces" and "Apache Software Foundation" must
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| 27 | * not be used to endorse or promote products derived from this
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| 28 | * software without prior written permission. For written
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| 29 | * permission, please contact apache\@apache.org.
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| 30 | *
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| 31 | * 5. Products derived from this software may not be called "Apache",
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| 32 | * nor may "Apache" appear in their name, without prior written
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| 33 | * permission of the Apache Software Foundation.
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| 34 | *
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| 35 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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| 36 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 37 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 38 | * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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| 39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 41 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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| 42 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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| 43 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 44 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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| 45 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 46 | * SUCH DAMAGE.
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| 47 | * ====================================================================
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| 48 | *
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| 49 | * This software consists of voluntary contributions made by many
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| 50 | * individuals on behalf of the Apache Software Foundation, and was
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| 51 | * originally based on software copyright (c) 2001, International
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| 52 | * Business Machines, Inc., http://www.ibm.com . For more information
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| 53 | * on the Apache Software Foundation, please see
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| 54 | * <http://www.apache.org/>.
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| 55 | */
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| 56 |
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| 57 | /*
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| 58 | * $Id: XMLDateTime.hpp,v 1.17 2004/01/29 11:48:47 cargilld Exp $
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| 59 | * $Log: XMLDateTime.hpp,v $
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| 60 | * Revision 1.17 2004/01/29 11:48:47 cargilld
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| 61 | * Code cleanup changes to get rid of various compiler diagnostic messages.
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| 62 | *
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| 63 | * Revision 1.16 2004/01/13 19:50:56 peiyongz
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| 64 | * remove parseContent()
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| 65 | *
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| 66 | * Revision 1.14 2003/12/31 02:34:11 neilg
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| 67 | * enable production of canonical representations for dates with negative years, or years >9999
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| 68 | *
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| 69 | * Revision 1.13 2003/12/17 20:00:49 cargilld
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| 70 | * Update for memory management so that the static memory manager (one
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| 71 | * used to call Initialize) is only for static data.
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| 72 | *
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| 73 | * Revision 1.12 2003/12/17 00:18:35 cargilld
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| 74 | * Update to memory management so that the static memory manager (one used to call Initialize) is only for static data.
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| 75 | *
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| 76 | * Revision 1.11 2003/12/11 21:38:12 peiyongz
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| 77 | * support for Canonical Representation for Datatype
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| 78 | *
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| 79 | * Revision 1.10 2003/09/23 18:16:07 peiyongz
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| 80 | * Inplementation for Serialization/Deserialization
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| 81 | *
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| 82 | * Revision 1.9 2003/08/14 02:57:27 knoaman
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| 83 | * Code refactoring to improve performance of validation.
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| 84 | *
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| 85 | * Revision 1.8 2003/05/18 14:02:05 knoaman
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| 86 | * Memory manager implementation: pass per instance manager.
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| 87 | *
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| 88 | * Revision 1.7 2003/05/15 19:07:46 knoaman
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| 89 | * Partial implementation of the configurable memory manager.
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| 90 | *
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| 91 | * Revision 1.6 2003/05/09 15:13:46 peiyongz
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| 92 | * Deprecated toString() in XMLNumber family
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| 93 | *
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| 94 | * Revision 1.5 2003/03/10 20:55:58 peiyongz
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| 95 | * Schema Errata E2-40 double/float
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| 96 | *
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| 97 | * Revision 1.4 2003/02/02 23:54:43 peiyongz
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| 98 | * getFormattedString() added to return original and converted value.
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| 99 | *
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| 100 | * Revision 1.3 2003/01/30 21:55:22 tng
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| 101 | * Performance: create getRawData which is similar to toString but return the internal data directly, user is not required to delete the returned memory.
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| 102 | *
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| 103 | * Revision 1.2 2002/11/04 15:22:05 tng
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| 104 | * C++ Namespace Support.
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| 105 | *
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| 106 | * Revision 1.1.1.1 2002/02/01 22:22:14 peiyongz
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| 107 | * sane_include
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| 108 | *
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| 109 | * Revision 1.4 2001/11/22 20:23:00 peiyongz
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| 110 | * _declspec(dllimport) and inline warning C4273
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| 111 | *
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| 112 | * Revision 1.3 2001/11/12 20:36:54 peiyongz
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| 113 | * SchemaDateTimeException defined
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| 114 | *
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| 115 | * Revision 1.2 2001/11/09 20:41:45 peiyongz
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| 116 | * Fix: compilation error on Solaris and AIX.
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| 117 | *
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| 118 | * Revision 1.1 2001/11/07 19:16:03 peiyongz
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| 119 | * DateTime Port
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| 120 | *
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| 121 | */
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| 122 |
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| 123 | #ifndef XML_DATETIME_HPP
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| 124 | #define XML_DATETIME_HPP
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| 125 |
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| 126 | #include <xercesc/util/XMLNumber.hpp>
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| 127 | #include <xercesc/util/PlatformUtils.hpp>
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| 128 | #include <xercesc/util/XMLString.hpp>
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| 129 | #include <xercesc/util/XMLUniDefs.hpp>
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| 130 | #include <xercesc/util/SchemaDateTimeException.hpp>
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| 131 |
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| 132 | XERCES_CPP_NAMESPACE_BEGIN
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| 133 |
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| 134 | class XMLUTIL_EXPORT XMLDateTime : public XMLNumber
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| 135 | {
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| 136 | public:
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| 137 |
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| 138 | enum valueIndex
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| 139 | {
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| 140 | CentYear = 0,
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| 141 | Month ,
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| 142 | Day ,
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| 143 | Hour ,
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| 144 | Minute ,
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| 145 | Second ,
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| 146 | MiliSecond ,
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| 147 | utc ,
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| 148 | TOTAL_SIZE
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| 149 | };
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| 150 |
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| 151 | enum utcType
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| 152 | {
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| 153 | UTC_UNKNOWN = 0,
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| 154 | UTC_STD , // set in parse() or normalize()
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| 155 | UTC_POS , // set in parse()
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| 156 | UTC_NEG // set in parse()
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| 157 | };
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| 158 |
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| 159 | // -----------------------------------------------------------------------
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| 160 | // ctors and dtor
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| 161 | // -----------------------------------------------------------------------
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| 162 |
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| 163 | XMLDateTime(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
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| 164 | XMLDateTime(const XMLCh* const,
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| 165 | MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
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| 166 | ~XMLDateTime();
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| 167 |
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| 168 | inline void setBuffer(const XMLCh* const);
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| 169 |
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| 170 | // -----------------------------------------------------------------------
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| 171 | // Copy ctor and Assignment operators
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| 172 | // -----------------------------------------------------------------------
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| 173 |
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| 174 | XMLDateTime(const XMLDateTime&);
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| 175 |
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| 176 | XMLDateTime& operator=(const XMLDateTime&);
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| 177 |
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| 178 | // -----------------------------------------------------------------------
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| 179 | // Implementation of Abstract Interface
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| 180 | // -----------------------------------------------------------------------
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| 181 |
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| 182 | /**
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| 183 | *
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| 184 | * Deprecated: please use getRawData
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| 185 | *
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| 186 | */
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| 187 | virtual XMLCh* toString() const;
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| 188 |
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| 189 | virtual XMLCh* getRawData() const;
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| 190 |
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| 191 | virtual const XMLCh* getFormattedString() const;
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| 192 |
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| 193 | virtual int getSign() const;
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| 194 |
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| 195 | // -----------------------------------------------------------------------
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| 196 | // Canonical Representation
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| 197 | // -----------------------------------------------------------------------
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| 198 |
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| 199 | XMLCh* getDateTimeCanonicalRepresentation(MemoryManager* const memMgr) const;
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| 200 |
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| 201 | XMLCh* getTimeCanonicalRepresentation(MemoryManager* const memMgr) const;
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| 202 |
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| 203 | // -----------------------------------------------------------------------
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| 204 | // parsers
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| 205 | // -----------------------------------------------------------------------
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| 206 |
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| 207 | void parseDateTime(); //DateTime
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| 208 |
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| 209 | void parseDate(); //Date
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| 210 |
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| 211 | void parseTime(); //Time
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| 212 |
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| 213 | void parseDay(); //gDay
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| 214 |
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| 215 | void parseMonth(); //gMonth
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| 216 |
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| 217 | void parseYear(); //gYear
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| 218 |
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| 219 | void parseMonthDay(); //gMonthDay
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| 220 |
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| 221 | void parseYearMonth(); //gYearMonth
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| 222 |
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| 223 | void parseDuration(); //duration
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| 224 |
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| 225 | // -----------------------------------------------------------------------
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| 226 | // Comparison
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| 227 | // -----------------------------------------------------------------------
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| 228 | static int compare(const XMLDateTime* const
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| 229 | , const XMLDateTime* const);
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| 230 |
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| 231 | static int compare(const XMLDateTime* const
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| 232 | , const XMLDateTime* const
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| 233 | , bool );
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| 234 |
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| 235 | static int compareOrder(const XMLDateTime* const
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| 236 | , const XMLDateTime* const);
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| 237 |
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| 238 | /***
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| 239 | * Support for Serialization/De-serialization
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| 240 | ***/
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| 241 | DECL_XSERIALIZABLE(XMLDateTime)
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| 242 |
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| 243 | private:
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| 244 |
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| 245 | // -----------------------------------------------------------------------
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| 246 | // Constant data
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| 247 | // -----------------------------------------------------------------------
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| 248 | //
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| 249 | enum timezoneIndex
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| 250 | {
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| 251 | hh = 0,
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| 252 | mm ,
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| 253 | TIMEZONE_ARRAYSIZE
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| 254 | };
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| 255 |
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| 256 | // -----------------------------------------------------------------------
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| 257 | // Comparison
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| 258 | // -----------------------------------------------------------------------
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| 259 | static int compareResult(int
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| 260 | , int
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| 261 | , bool);
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| 262 |
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| 263 | static void addDuration(XMLDateTime* pDuration
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| 264 | , const XMLDateTime* const pBaseDate
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| 265 | , int index);
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| 266 |
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| 267 |
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| 268 | static int compareResult(const XMLDateTime* const
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| 269 | , const XMLDateTime* const
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| 270 | , bool
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| 271 | , int);
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| 272 |
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| 273 | static inline int getRetVal(int, int);
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| 274 |
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| 275 | // -----------------------------------------------------------------------
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| 276 | // helper
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| 277 | // -----------------------------------------------------------------------
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| 278 |
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| 279 | inline void reset();
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| 280 |
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| 281 | inline void assertBuffer() const;
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| 282 |
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| 283 | inline void copy(const XMLDateTime&);
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| 284 |
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| 285 | // allow multiple parsing
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| 286 | inline void initParser();
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| 287 |
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| 288 | inline bool isNormalized() const;
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| 289 |
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| 290 | // -----------------------------------------------------------------------
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| 291 | // scaners
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| 292 | // -----------------------------------------------------------------------
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| 293 |
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| 294 | void getDate();
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| 295 |
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| 296 | void getTime();
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| 297 |
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| 298 | void getYearMonth();
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| 299 |
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| 300 | void getTimeZone(const int);
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| 301 |
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| 302 | void parseTimeZone();
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| 303 |
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| 304 | // -----------------------------------------------------------------------
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| 305 | // locator and converter
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| 306 | // -----------------------------------------------------------------------
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| 307 |
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| 308 | int findUTCSign(const int start);
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| 309 |
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| 310 | int indexOf(const int start
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| 311 | , const int end
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| 312 | , const XMLCh ch) const;
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| 313 |
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| 314 | int parseInt(const int start
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| 315 | , const int end) const;
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| 316 |
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| 317 | int parseIntYear(const int end) const;
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| 318 |
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| 319 | // -----------------------------------------------------------------------
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| 320 | // validator and normalizer
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| 321 | // -----------------------------------------------------------------------
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| 322 |
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| 323 | void validateDateTime() const;
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| 324 |
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| 325 | void normalize();
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| 326 |
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| 327 | void fillString(XMLCh*& ptr, valueIndex ind, int expLen) const;
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| 328 |
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| 329 | int fillYearString(XMLCh*& ptr, valueIndex ind) const;
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| 330 |
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| 331 | void searchMiliSeconds(XMLCh*& miliStartPtr, XMLCh*& miliEndPtr) const;
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| 332 |
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| 333 | // -----------------------------------------------------------------------
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| 334 | // Unimplemented operator ==
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| 335 | // -----------------------------------------------------------------------
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| 336 | bool operator==(const XMLDateTime& toCompare) const;
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| 337 |
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| 338 |
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| 339 | // -----------------------------------------------------------------------
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| 340 | // Private data members
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| 341 | //
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| 342 | // fValue[]
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| 343 | // object representation of date time.
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| 344 | //
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| 345 | // fTimeZone[]
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| 346 | // temporary storage for normalization
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| 347 | //
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| 348 | // fStart, fEnd
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| 349 | // pointers to the portion of fBuffer being parsed
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| 350 | //
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| 351 | // fBuffer
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| 352 | // raw data to be parsed, own it.
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| 353 | //
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| 354 | // -----------------------------------------------------------------------
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| 355 |
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| 356 | int fValue[TOTAL_SIZE];
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| 357 | int fTimeZone[TIMEZONE_ARRAYSIZE];
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| 358 | int fStart;
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| 359 | int fEnd;
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| 360 | int fBufferMaxLen;
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| 361 | XMLCh* fBuffer;
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| 362 | MemoryManager* fMemoryManager;
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| 363 | };
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| 364 |
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| 365 | inline void XMLDateTime::setBuffer(const XMLCh* const aString)
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| 366 | {
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| 367 | reset();
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| 368 |
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| 369 | fEnd = XMLString::stringLen(aString);
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| 370 | if (fEnd > 0) {
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| 371 |
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| 372 | if (fEnd > fBufferMaxLen)
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| 373 | {
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| 374 | fMemoryManager->deallocate(fBuffer);
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| 375 | fBufferMaxLen = fEnd + 8;
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| 376 | fBuffer = (XMLCh*) fMemoryManager->allocate((fBufferMaxLen+1) * sizeof(XMLCh));
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| 377 | }
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| 378 |
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| 379 | memcpy(fBuffer, aString, (fEnd+1) * sizeof(XMLCh));
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| 380 | }
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| 381 | }
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| 382 |
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| 383 | inline void XMLDateTime::reset()
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| 384 | {
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| 385 | for ( int i=0; i < TOTAL_SIZE; i++ )
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| 386 | fValue[i] = 0;
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| 387 |
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| 388 | fTimeZone[hh] = fTimeZone[mm] = 0;
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| 389 | fStart = fEnd = 0;
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| 390 |
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| 391 | if (fBuffer)
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| 392 | *fBuffer = 0;
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| 393 | }
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| 394 |
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| 395 | inline void XMLDateTime::copy(const XMLDateTime& rhs)
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| 396 | {
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| 397 | for ( int i = 0; i < TOTAL_SIZE; i++ )
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| 398 | fValue[i] = rhs.fValue[i];
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| 399 |
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| 400 | fTimeZone[hh] = rhs.fTimeZone[hh];
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| 401 | fTimeZone[mm] = rhs.fTimeZone[mm];
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| 402 | fStart = rhs.fStart;
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| 403 | fEnd = rhs.fEnd;
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| 404 |
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| 405 | if (fEnd > 0)
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| 406 | {
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| 407 | if (fEnd > fBufferMaxLen)
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| 408 | {
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| 409 | fMemoryManager->deallocate(fBuffer);//delete[] fBuffer;
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| 410 | fBufferMaxLen = rhs.fBufferMaxLen;
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| 411 | fBuffer = (XMLCh*) fMemoryManager->allocate((fBufferMaxLen+1) * sizeof(XMLCh));
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| 412 | }
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| 413 |
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| 414 | memcpy(fBuffer, rhs.fBuffer, (fEnd+1) * sizeof(XMLCh));
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| 415 | }
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| 416 | }
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| 417 |
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| 418 | inline void XMLDateTime::assertBuffer() const
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| 419 | {
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| 420 | if ( ( !fBuffer ) ||
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| 421 | ( fBuffer[0] == chNull ) )
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| 422 | {
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| 423 | ThrowXMLwithMemMgr(SchemaDateTimeException
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| 424 | , XMLExcepts::DateTime_Assert_Buffer_Fail
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| 425 | , fMemoryManager);
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| 426 | }
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| 427 |
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| 428 | }
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| 429 |
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| 430 | inline void XMLDateTime::initParser()
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| 431 | {
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| 432 | assertBuffer();
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| 433 | fStart = 0; // to ensure scan from the very first beginning
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| 434 | // in case the pointer is updated accidentally by someone else.
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| 435 | }
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| 436 |
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| 437 | inline bool XMLDateTime::isNormalized() const
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| 438 | {
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| 439 | return ( fValue[utc] == UTC_STD ? true : false );
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| 440 | }
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| 441 |
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| 442 | inline int XMLDateTime::getRetVal(int c1, int c2)
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| 443 | {
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| 444 | if ((c1 == LESS_THAN && c2 == GREATER_THAN) ||
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| 445 | (c1 == GREATER_THAN && c2 == LESS_THAN) )
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| 446 | {
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| 447 | return INDETERMINATE;
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| 448 | }
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| 449 |
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| 450 | return ( c1 != INDETERMINATE ) ? c1 : c2;
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| 451 | }
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| 452 |
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| 453 | XERCES_CPP_NAMESPACE_END
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| 454 |
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| 455 | #endif
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