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XMLBigDecimal.hpp
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1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 /*
19 * $Id: XMLBigDecimal.hpp 932887 2010-04-11 13:04:59Z borisk $
20 */
21
22 #if !defined(XERCESC_INCLUDE_GUARD_XML_BIGDECIMAL_HPP)
23 #define XERCESC_INCLUDE_GUARD_XML_BIGDECIMAL_HPP
24
25 #include <xercesc/util/XMLNumber.hpp>
26 #include <xercesc/util/XMLString.hpp>
27 #include <xercesc/util/PlatformUtils.hpp>
28
29 XERCES_CPP_NAMESPACE_BEGIN
30
31 class XMLUTIL_EXPORT XMLBigDecimal : public XMLNumber
32 {
33 public:
34
47 XMLBigDecimal
48 (
49 const XMLCh* const strValue
50 , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
51 );
52
53 ~XMLBigDecimal();
54
55 static int compareValues(const XMLBigDecimal* const lValue
56 , const XMLBigDecimal* const rValue
57 , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
58
59 static XMLCh* getCanonicalRepresentation
60 (
61 const XMLCh* const rawData
62 , MemoryManager* const memMgr = XMLPlatformUtils::fgMemoryManager
63 );
64
65 static void parseDecimal
66 (
67 const XMLCh* const toParse
68 , XMLCh* const retBuffer
69 , int& sign
70 , int& totalDigits
71 , int& fractDigits
72 , MemoryManager* const manager
73 );
74
75 static void parseDecimal
76 (
77 const XMLCh* const toParse
78 , MemoryManager* const manager
79 );
80
81 virtual XMLCh* getRawData() const;
82
83 virtual const XMLCh* getFormattedString() const;
84
85 virtual int getSign() const;
86
87 const XMLCh* getValue() const;
88
89 unsigned int getScale() const;
90
91 unsigned int getTotalDigit() const;
92
93 inline XMLCh* getIntVal() const;
94
103 int toCompare(const XMLBigDecimal& other) const;
104
105 /*
106 * Sets the value to be converted
107 *
108 * @param strValue the value to convert
109 */
110 void setDecimalValue(const XMLCh* const strValue);
111
112 MemoryManager* getMemoryManager() const;
113
114 /***
115 * Support for Serialization/De-serialization
116 ***/
117 DECL_XSERIALIZABLE(XMLBigDecimal)
118
119 XMLBigDecimal(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
120
121 private:
122
123 void cleanUp();
124
125 // -----------------------------------------------------------------------
126 // Unimplemented constructors and operators
127 // -----------------------------------------------------------------------
128 XMLBigDecimal(const XMLBigDecimal& other);
129 XMLBigDecimal& operator=(const XMLBigDecimal& other);
130
131 // -----------------------------------------------------------------------
132 // Private data members
133 //
134 // fSign
135 // sign
136 //
137 // fTotalDigits
138 // the total number of digits
139 //
140 // fScale
141 // the number of digits to the right of the decimal point
142 //
143 // fIntVal
144 // The value of this BigDecimal, w/o
145 // leading whitespace, leading zero
146 // decimal point
147 // trailing zero, trailing whitespace
148 //
149 // fRawData
150 // to preserve the original string used to construct this object,
151 // needed for pattern matching.
152 //
153 // -----------------------------------------------------------------------
154 int fSign;
155 unsigned int fTotalDigits;
156 unsigned int fScale;
157 XMLSize_t fRawDataLen;
158 XMLCh* fRawData;
159 XMLCh* fIntVal;
160 MemoryManager* fMemoryManager;
161
162 };
163
164 inline int XMLBigDecimal::getSign() const
165 {
166 return fSign;
167 }
168
169 inline const XMLCh* XMLBigDecimal::getValue() const
170 {
171 return fIntVal;
172 }
173
174 inline unsigned int XMLBigDecimal::getScale() const
175 {
176 return fScale;
177 }
178
179 inline unsigned int XMLBigDecimal::getTotalDigit() const
180 {
181 return fTotalDigits;
182 }
183
184 inline XMLCh* XMLBigDecimal::getRawData() const
185 {
186 return fRawData;
187 }
188
189 inline const XMLCh* XMLBigDecimal::getFormattedString() const
190 {
191 return fRawData;
192 }
193
194 inline MemoryManager* XMLBigDecimal::getMemoryManager() const
195 {
196 return fMemoryManager;
197 }
198
199 inline XMLCh* XMLBigDecimal::getIntVal() const
200 {
201 return fIntVal;
202 }
203
204 XERCES_CPP_NAMESPACE_END
205
206 #endif