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: XMLDateTime.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_DATETIME_HPP |
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23 | #define XML_DATETIME_HPP |
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24 | |
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25 | #include <xercesc/util/XMLNumber.hpp> |
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26 | #include <xercesc/util/PlatformUtils.hpp> |
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27 | #include <xercesc/util/XMLString.hpp> |
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28 | #include <xercesc/util/XMLUniDefs.hpp> |
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29 | #include <xercesc/util/SchemaDateTimeException.hpp> |
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30 | |
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31 | XERCES_CPP_NAMESPACE_BEGIN |
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32 | |
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33 | class XSValue; |
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34 | |
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35 | class XMLUTIL_EXPORT XMLDateTime : public XMLNumber |
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36 | { |
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37 | public: |
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38 | |
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39 | enum valueIndex |
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40 | { |
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41 | CentYear = 0, |
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42 | Month , |
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43 | Day , |
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44 | Hour , |
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45 | Minute , |
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46 | Second , |
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47 | MiliSecond , //not to be used directly |
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48 | utc , |
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49 | TOTAL_SIZE |
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50 | }; |
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51 | |
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52 | enum utcType |
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53 | { |
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54 | UTC_UNKNOWN = 0, |
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55 | UTC_STD , // set in parse() or normalize() |
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56 | UTC_POS , // set in parse() |
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57 | UTC_NEG // set in parse() |
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58 | }; |
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59 | |
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60 | // ----------------------------------------------------------------------- |
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61 | // ctors and dtor |
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62 | // ----------------------------------------------------------------------- |
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63 | |
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64 | XMLDateTime(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
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65 | XMLDateTime(const XMLCh* const, |
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66 | MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
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67 | ~XMLDateTime(); |
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68 | |
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69 | inline void setBuffer(const XMLCh* const); |
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70 | |
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71 | // ----------------------------------------------------------------------- |
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72 | // Copy ctor and Assignment operators |
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73 | // ----------------------------------------------------------------------- |
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74 | |
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75 | XMLDateTime(const XMLDateTime&); |
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76 | |
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77 | XMLDateTime& operator=(const XMLDateTime&); |
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78 | |
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79 | // ----------------------------------------------------------------------- |
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80 | // Implementation of Abstract Interface |
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81 | // ----------------------------------------------------------------------- |
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82 | |
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83 | /** |
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84 | * |
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85 | * Deprecated: please use getRawData |
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86 | * |
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87 | */ |
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88 | virtual XMLCh* toString() const; |
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89 | |
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90 | virtual XMLCh* getRawData() const; |
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91 | |
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92 | virtual const XMLCh* getFormattedString() const; |
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93 | |
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94 | virtual int getSign() const; |
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95 | |
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96 | // ----------------------------------------------------------------------- |
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97 | // Canonical Representation |
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98 | // ----------------------------------------------------------------------- |
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99 | |
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100 | XMLCh* getDateTimeCanonicalRepresentation(MemoryManager* const memMgr) const; |
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101 | |
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102 | XMLCh* getTimeCanonicalRepresentation(MemoryManager* const memMgr) const; |
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103 | |
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104 | XMLCh* getDateCanonicalRepresentation(MemoryManager* const memMgr) const; |
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105 | |
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106 | // ----------------------------------------------------------------------- |
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107 | // parsers |
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108 | // ----------------------------------------------------------------------- |
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109 | |
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110 | void parseDateTime(); //DateTime |
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111 | |
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112 | void parseDate(); //Date |
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113 | |
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114 | void parseTime(); //Time |
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115 | |
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116 | void parseDay(); //gDay |
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117 | |
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118 | void parseMonth(); //gMonth |
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119 | |
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120 | void parseYear(); //gYear |
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121 | |
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122 | void parseMonthDay(); //gMonthDay |
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123 | |
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124 | void parseYearMonth(); //gYearMonth |
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125 | |
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126 | void parseDuration(); //duration |
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127 | |
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128 | // ----------------------------------------------------------------------- |
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129 | // Comparison |
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130 | // ----------------------------------------------------------------------- |
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131 | static int compare(const XMLDateTime* const |
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132 | , const XMLDateTime* const); |
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133 | |
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134 | static int compare(const XMLDateTime* const |
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135 | , const XMLDateTime* const |
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136 | , bool ); |
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137 | |
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138 | static int compareOrder(const XMLDateTime* const |
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139 | , const XMLDateTime* const); |
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140 | |
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141 | /*** |
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142 | * Support for Serialization/De-serialization |
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143 | ***/ |
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144 | DECL_XSERIALIZABLE(XMLDateTime) |
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145 | |
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146 | private: |
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147 | |
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148 | // ----------------------------------------------------------------------- |
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149 | // Constant data |
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150 | // ----------------------------------------------------------------------- |
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151 | // |
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152 | |
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153 | enum timezoneIndex |
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154 | { |
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155 | hh = 0, |
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156 | mm , |
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157 | TIMEZONE_ARRAYSIZE |
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158 | }; |
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159 | |
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160 | // ----------------------------------------------------------------------- |
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161 | // Comparison |
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162 | // ----------------------------------------------------------------------- |
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163 | static int compareResult(int |
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164 | , int |
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165 | , bool); |
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166 | |
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167 | static void addDuration(XMLDateTime* pDuration |
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168 | , const XMLDateTime* const pBaseDate |
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169 | , int index); |
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170 | |
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171 | |
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172 | static int compareResult(const XMLDateTime* const |
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173 | , const XMLDateTime* const |
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174 | , bool |
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175 | , int); |
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176 | |
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177 | static inline int getRetVal(int, int); |
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178 | |
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179 | // ----------------------------------------------------------------------- |
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180 | // helper |
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181 | // ----------------------------------------------------------------------- |
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182 | |
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183 | inline void reset(); |
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184 | |
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185 | inline void assertBuffer() const; |
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186 | |
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187 | inline void copy(const XMLDateTime&); |
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188 | |
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189 | // allow multiple parsing |
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190 | inline void initParser(); |
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191 | |
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192 | inline bool isNormalized() const; |
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193 | |
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194 | // ----------------------------------------------------------------------- |
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195 | // scaners |
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196 | // ----------------------------------------------------------------------- |
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197 | |
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198 | void getDate(); |
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199 | |
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200 | void getTime(); |
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201 | |
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202 | void getYearMonth(); |
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203 | |
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204 | void getTimeZone(const int); |
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205 | |
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206 | void parseTimeZone(); |
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207 | |
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208 | // ----------------------------------------------------------------------- |
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209 | // locator and converter |
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210 | // ----------------------------------------------------------------------- |
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211 | |
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212 | int findUTCSign(const int start); |
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213 | |
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214 | int indexOf(const int start |
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215 | , const int end |
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216 | , const XMLCh ch) const; |
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217 | |
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218 | int parseInt(const int start |
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219 | , const int end) const; |
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220 | |
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221 | int parseIntYear(const int end) const; |
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222 | |
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223 | double parseMiliSecond(const int start |
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224 | , const int end) const; |
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225 | |
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226 | // ----------------------------------------------------------------------- |
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227 | // validator and normalizer |
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228 | // ----------------------------------------------------------------------- |
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229 | |
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230 | void validateDateTime() const; |
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231 | |
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232 | void normalize(); |
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233 | |
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234 | void fillString(XMLCh*& ptr, int value, int expLen) const; |
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235 | |
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236 | int fillYearString(XMLCh*& ptr, int value) const; |
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237 | |
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238 | void searchMiliSeconds(XMLCh*& miliStartPtr, XMLCh*& miliEndPtr) const; |
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239 | |
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240 | // ----------------------------------------------------------------------- |
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241 | // Unimplemented operator == |
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242 | // ----------------------------------------------------------------------- |
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243 | bool operator==(const XMLDateTime& toCompare) const; |
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244 | |
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245 | |
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246 | // ----------------------------------------------------------------------- |
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247 | // Private data members |
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248 | // |
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249 | // fValue[] |
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250 | // object representation of date time. |
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251 | // |
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252 | // fTimeZone[] |
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253 | // temporary storage for normalization |
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254 | // |
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255 | // fStart, fEnd |
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256 | // pointers to the portion of fBuffer being parsed |
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257 | // |
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258 | // fBuffer |
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259 | // raw data to be parsed, own it. |
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260 | // |
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261 | // ----------------------------------------------------------------------- |
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262 | |
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263 | int fValue[TOTAL_SIZE]; |
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264 | int fTimeZone[TIMEZONE_ARRAYSIZE]; |
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265 | int fStart; |
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266 | int fEnd; |
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267 | int fBufferMaxLen; |
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268 | |
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269 | double fMiliSecond; |
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270 | bool fHasTime; |
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271 | |
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272 | XMLCh* fBuffer; |
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273 | MemoryManager* fMemoryManager; |
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274 | |
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275 | friend class XSValue; |
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276 | }; |
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277 | |
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278 | inline void XMLDateTime::setBuffer(const XMLCh* const aString) |
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279 | { |
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280 | reset(); |
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281 | |
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282 | fEnd = XMLString::stringLen(aString); |
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283 | if (fEnd > 0) { |
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284 | |
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285 | if (fEnd > fBufferMaxLen) |
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286 | { |
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287 | fMemoryManager->deallocate(fBuffer); |
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288 | fBufferMaxLen = fEnd + 8; |
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289 | fBuffer = (XMLCh*) fMemoryManager->allocate((fBufferMaxLen+1) * sizeof(XMLCh)); |
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290 | } |
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291 | |
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292 | memcpy(fBuffer, aString, (fEnd+1) * sizeof(XMLCh)); |
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293 | } |
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294 | } |
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295 | |
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296 | inline void XMLDateTime::reset() |
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297 | { |
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298 | for ( int i=0; i < TOTAL_SIZE; i++ ) |
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299 | fValue[i] = 0; |
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300 | |
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301 | fMiliSecond = 0; |
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302 | fHasTime = false; |
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303 | fTimeZone[hh] = fTimeZone[mm] = 0; |
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304 | fStart = fEnd = 0; |
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305 | |
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306 | if (fBuffer) |
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307 | *fBuffer = 0; |
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308 | } |
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309 | |
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310 | inline void XMLDateTime::copy(const XMLDateTime& rhs) |
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311 | { |
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312 | for ( int i = 0; i < TOTAL_SIZE; i++ ) |
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313 | fValue[i] = rhs.fValue[i]; |
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314 | |
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315 | fMiliSecond = rhs.fMiliSecond; |
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316 | fHasTime = rhs.fHasTime; |
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317 | fTimeZone[hh] = rhs.fTimeZone[hh]; |
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318 | fTimeZone[mm] = rhs.fTimeZone[mm]; |
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319 | fStart = rhs.fStart; |
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320 | fEnd = rhs.fEnd; |
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321 | |
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322 | if (fEnd > 0) |
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323 | { |
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324 | if (fEnd > fBufferMaxLen) |
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325 | { |
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326 | fMemoryManager->deallocate(fBuffer);//delete[] fBuffer; |
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327 | fBufferMaxLen = rhs.fBufferMaxLen; |
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328 | fBuffer = (XMLCh*) fMemoryManager->allocate((fBufferMaxLen+1) * sizeof(XMLCh)); |
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329 | } |
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330 | |
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331 | memcpy(fBuffer, rhs.fBuffer, (fEnd+1) * sizeof(XMLCh)); |
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332 | } |
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333 | } |
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334 | |
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335 | inline void XMLDateTime::assertBuffer() const |
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336 | { |
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337 | if ( ( !fBuffer ) || |
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338 | ( fBuffer[0] == chNull ) ) |
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339 | { |
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340 | ThrowXMLwithMemMgr(SchemaDateTimeException |
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341 | , XMLExcepts::DateTime_Assert_Buffer_Fail |
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342 | , fMemoryManager); |
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343 | } |
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344 | |
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345 | } |
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346 | |
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347 | inline void XMLDateTime::initParser() |
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348 | { |
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349 | assertBuffer(); |
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350 | fStart = 0; // to ensure scan from the very first beginning |
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351 | // in case the pointer is updated accidentally by someone else. |
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352 | } |
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353 | |
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354 | inline bool XMLDateTime::isNormalized() const |
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355 | { |
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356 | return ( fValue[utc] == UTC_STD ? true : false ); |
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357 | } |
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358 | |
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359 | inline int XMLDateTime::getRetVal(int c1, int c2) |
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360 | { |
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361 | if ((c1 == LESS_THAN && c2 == GREATER_THAN) || |
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362 | (c1 == GREATER_THAN && c2 == LESS_THAN) ) |
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363 | { |
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364 | return INDETERMINATE; |
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365 | } |
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366 | |
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367 | return ( c1 != INDETERMINATE ) ? c1 : c2; |
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368 | } |
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369 | |
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370 | XERCES_CPP_NAMESPACE_END |
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371 | |
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372 | #endif |
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