[2674] | 1 | /* |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 3 | * contributor license agreements. See the NOTICE file distributed with |
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| 4 | * this work for additional information regarding copyright ownership. |
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 6 | * (the "License"); you may not use this file except in compliance with |
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| 7 | * the License. You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | */ |
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| 17 | |
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| 18 | /* |
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| 19 | * $Id: XMLBigDecimal.hpp 568078 2007-08-21 11:43:25Z amassari $ |
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| 20 | */ |
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| 21 | |
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| 22 | #ifndef XML_BIGDECIMAL_HPP |
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| 23 | #define XML_BIGDECIMAL_HPP |
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| 24 | |
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| 25 | #include <xercesc/util/XMLNumber.hpp> |
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| 26 | #include <xercesc/util/XMLString.hpp> |
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| 27 | #include <xercesc/util/PlatformUtils.hpp> |
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| 28 | |
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| 29 | XERCES_CPP_NAMESPACE_BEGIN |
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| 30 | |
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| 31 | class XMLUTIL_EXPORT XMLBigDecimal : public XMLNumber |
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| 32 | { |
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| 33 | public: |
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| 34 | |
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| 35 | /** |
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| 36 | * Constructs a newly allocated <code>XMLBigDecimal</code> object that |
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| 37 | * represents the value represented by the string. |
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| 38 | * |
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| 39 | * @param strValue the <code>String</code> to be converted to an |
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| 40 | * <code>XMLBigDecimal</code>. |
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| 41 | * @param manager Pointer to the memory manager to be used to |
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| 42 | * allocate objects. |
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| 43 | * @exception NumberFormatException if the <code>String</code> does not |
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| 44 | * contain a parsable XMLBigDecimal. |
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| 45 | */ |
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| 46 | |
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| 47 | XMLBigDecimal |
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| 48 | ( |
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| 49 | const XMLCh* const strValue |
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| 50 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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| 51 | ); |
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| 52 | |
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| 53 | ~XMLBigDecimal(); |
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| 54 | |
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| 55 | static int compareValues(const XMLBigDecimal* const lValue |
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| 56 | , const XMLBigDecimal* const rValue |
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| 57 | , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
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| 58 | |
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| 59 | static XMLCh* getCanonicalRepresentation |
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| 60 | ( |
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| 61 | const XMLCh* const rawData |
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| 62 | , MemoryManager* const memMgr = XMLPlatformUtils::fgMemoryManager |
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| 63 | ); |
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| 64 | |
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| 65 | static void parseDecimal |
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| 66 | ( |
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| 67 | const XMLCh* const toParse |
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| 68 | , XMLCh* const retBuffer |
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| 69 | , int& sign |
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| 70 | , int& totalDigits |
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| 71 | , int& fractDigits |
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| 72 | , MemoryManager* const manager |
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| 73 | ); |
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| 74 | |
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| 75 | static void parseDecimal |
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| 76 | ( |
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| 77 | const XMLCh* const toParse |
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| 78 | , MemoryManager* const manager |
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| 79 | ); |
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| 80 | |
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| 81 | /** |
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| 82 | * |
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| 83 | * Deprecated: please use getRawData |
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| 84 | * |
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| 85 | */ |
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| 86 | virtual XMLCh* toString() const; |
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| 87 | |
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| 88 | virtual XMLCh* getRawData() const; |
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| 89 | |
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| 90 | virtual const XMLCh* getFormattedString() const; |
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| 91 | |
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| 92 | virtual int getSign() const; |
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| 93 | |
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| 94 | const XMLCh* getValue() const; |
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| 95 | |
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| 96 | unsigned int getScale() const; |
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| 97 | |
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| 98 | unsigned int getTotalDigit() const; |
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| 99 | |
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| 100 | inline XMLCh* getIntVal() const; |
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| 101 | |
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| 102 | /** |
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| 103 | * Compares this object to the specified object. |
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| 104 | * |
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| 105 | * @param other the object to compare with. |
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| 106 | * @return <code>-1</code> value is less than other's |
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| 107 | * <code>0</code> value equals to other's |
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| 108 | * <code>+1</code> value is greater than other's |
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| 109 | */ |
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| 110 | int toCompare(const XMLBigDecimal& other) const; |
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| 111 | |
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| 112 | /* |
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| 113 | * Sets the value to be converted |
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| 114 | * |
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| 115 | * @param strValue the value to convert |
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| 116 | */ |
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| 117 | void setDecimalValue(const XMLCh* const strValue); |
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| 118 | |
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| 119 | MemoryManager* getMemoryManager() const; |
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| 120 | |
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| 121 | /*** |
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| 122 | * Support for Serialization/De-serialization |
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| 123 | ***/ |
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| 124 | DECL_XSERIALIZABLE(XMLBigDecimal) |
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| 125 | |
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| 126 | XMLBigDecimal(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
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| 127 | |
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| 128 | private: |
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| 129 | |
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| 130 | void cleanUp(); |
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| 131 | |
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| 132 | // ----------------------------------------------------------------------- |
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| 133 | // Unimplemented contstructors and operators |
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| 134 | // ----------------------------------------------------------------------- |
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| 135 | XMLBigDecimal(const XMLBigDecimal& other); |
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| 136 | XMLBigDecimal& operator=(const XMLBigDecimal& other); |
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| 137 | |
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| 138 | // ----------------------------------------------------------------------- |
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| 139 | // Private data members |
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| 140 | // |
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| 141 | // fSign |
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| 142 | // sign |
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| 143 | // |
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| 144 | // fTotalDigits |
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| 145 | // the total number of didits |
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| 146 | // |
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| 147 | // fScale |
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| 148 | // the number of digits to the right of the decimal point |
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| 149 | // |
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| 150 | // fIntVal |
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| 151 | // The value of this BigDecimal, w/o |
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| 152 | // leading whitespace, leading zero |
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| 153 | // decimal point |
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| 154 | // trailing zero, trailing whitespace |
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| 155 | // |
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| 156 | // fRawData |
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| 157 | // to preserve the original string used to construct this object, |
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| 158 | // needed for pattern matching. |
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| 159 | // |
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| 160 | // ----------------------------------------------------------------------- |
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| 161 | int fSign; |
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| 162 | unsigned int fTotalDigits; |
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| 163 | unsigned int fScale; |
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| 164 | unsigned int fRawDataLen; |
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| 165 | XMLCh* fRawData; |
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| 166 | XMLCh* fIntVal; |
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| 167 | MemoryManager* fMemoryManager; |
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| 168 | |
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| 169 | }; |
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| 170 | |
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| 171 | inline int XMLBigDecimal::getSign() const |
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| 172 | { |
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| 173 | return fSign; |
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| 174 | } |
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| 175 | |
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| 176 | inline const XMLCh* XMLBigDecimal::getValue() const |
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| 177 | { |
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| 178 | return fIntVal; |
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| 179 | } |
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| 180 | |
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| 181 | inline unsigned int XMLBigDecimal::getScale() const |
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| 182 | { |
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| 183 | return fScale; |
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| 184 | } |
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| 185 | |
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| 186 | inline unsigned int XMLBigDecimal::getTotalDigit() const |
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| 187 | { |
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| 188 | return fTotalDigits; |
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| 189 | } |
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| 190 | |
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| 191 | inline XMLCh* XMLBigDecimal::getRawData() const |
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| 192 | { |
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| 193 | return fRawData; |
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| 194 | } |
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| 195 | |
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| 196 | inline const XMLCh* XMLBigDecimal::getFormattedString() const |
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| 197 | { |
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| 198 | return fRawData; |
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| 199 | } |
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| 200 | |
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| 201 | inline MemoryManager* XMLBigDecimal::getMemoryManager() const |
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| 202 | { |
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| 203 | return fMemoryManager; |
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| 204 | } |
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| 205 | |
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| 206 | inline XMLCh* XMLBigDecimal::getIntVal() const |
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| 207 | { |
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| 208 | return fIntVal; |
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| 209 | } |
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| 210 | |
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| 211 | // |
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| 212 | // The caller needs to de-allocate the memory allocated by this function |
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| 213 | // |
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| 214 | inline XMLCh* XMLBigDecimal::toString() const |
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| 215 | { |
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| 216 | // Return data using global operator new |
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| 217 | return XMLString::replicate(fRawData); |
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| 218 | } |
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| 219 | |
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| 220 | XERCES_CPP_NAMESPACE_END |
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| 221 | |
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| 222 | #endif |
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