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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 // |
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43 // W A R N I N G |
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44 // ------------- |
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45 // |
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46 // This file is not part of the Qt API. It exists purely as an |
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47 // implementation detail. This header file may change from version to |
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48 // version without notice, or even be removed. |
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49 // |
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50 // We mean it. |
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51 |
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52 #ifndef Patternist_AbstractDuration_H |
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53 #define Patternist_AbstractDuration_H |
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54 |
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55 #include <QRegExp> |
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56 |
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57 #include "qitem_p.h" |
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58 |
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59 QT_BEGIN_HEADER |
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60 |
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61 QT_BEGIN_NAMESPACE |
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62 |
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63 namespace QPatternist |
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64 { |
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65 /** |
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66 * @short Base class for classes implementing durations. |
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67 * |
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68 * @see <a href="http://www.w3.org/TR/xmlschema-2/#duration">XML Schema Part |
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69 * 2: Datatypes Second Edition, 3.2.6 duration</a> |
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70 * @see <a href="http://www.w3.org/TR/xpath-datamodel/#dates-and-times">XQuery |
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71 * 1.0 and XPath 2.0 Data Model (XDM), 3.3.2 Dates and Times</a> |
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72 * @author Frans Englich <frans.englich@nokia.com> |
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73 * @ingroup Patternist_xdm |
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74 * @todo Documentation is missing/incomplete |
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75 */ |
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76 class AbstractDuration : public AtomicValue |
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77 { |
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78 public: |
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79 typedef QExplicitlySharedDataPointer<AbstractDuration> Ptr; |
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80 |
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81 /** |
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82 * @short The amount in milli seconds. |
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83 */ |
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84 typedef qint64 Value; |
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85 |
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86 /** |
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87 * @short Acts as a mapping table for AbstractDuration::create() |
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88 * and describes where certain fields in a QRegExp pattern can be found |
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89 * for a particular W3C XML Schema duration type. |
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90 * |
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91 * @author Frans Englich <frans.englich@nokia.com> |
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92 * @ingroup Patternist_xdm |
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93 */ |
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94 class CaptureTable |
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95 { |
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96 public: |
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97 CaptureTable(const QRegExp &exp, |
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98 const qint8 yearP, |
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99 const qint8 monthP, |
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100 const qint8 dayP = -1, |
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101 const qint8 tDelimiterP = -1, |
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102 const qint8 hourP = -1, |
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103 const qint8 minutesP = -1, |
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104 const qint8 secondsP = -1, |
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105 const qint8 msecondsP = -1) : regExp(exp), |
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106 year(yearP), |
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107 month(monthP), |
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108 day(dayP), |
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109 tDelimiter(tDelimiterP), |
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110 hour(hourP), |
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111 minutes(minutesP), |
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112 seconds(secondsP), |
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113 mseconds(msecondsP) |
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114 { |
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115 Q_ASSERT(exp.isValid()); |
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116 Q_ASSERT(yearP == -1 || yearP == 2); |
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117 } |
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118 |
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119 const QRegExp regExp; |
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120 const qint8 year; |
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121 const qint8 month; |
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122 const qint8 day; |
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123 const qint8 tDelimiter; |
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124 const qint8 hour; |
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125 const qint8 minutes; |
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126 const qint8 seconds; |
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127 const qint8 mseconds; |
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128 }; |
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129 |
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130 /** |
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131 * Determines whether this Duration is equal to @p other. |
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132 * |
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133 * @note Do not re-implement this function. It uses getters such as years() and |
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134 * mseconds() for determining its truth value. |
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135 */ |
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136 bool operator==(const AbstractDuration &other) const; |
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137 |
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138 virtual YearProperty years() const = 0; |
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139 virtual MonthProperty months() const = 0; |
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140 virtual DayCountProperty days() const = 0; |
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141 virtual HourProperty hours() const = 0; |
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142 virtual MinuteProperty minutes() const = 0; |
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143 virtual SecondProperty seconds() const = 0; |
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144 virtual MSecondProperty mseconds() const = 0; |
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145 |
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146 /** |
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147 * @returns the value of this AbstractDuration. For example, |
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148 * in the case of xs:yearMonthDuration, that is YearMonthDuration, |
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149 * years times twelve plus the months is returned. |
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150 */ |
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151 virtual Value value() const = 0; |
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152 |
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153 /** |
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154 * A polymorphic factory function that returns instances of the |
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155 * sub-class with the value @p val. |
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156 */ |
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157 virtual Item fromValue(const Value val) const = 0; |
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158 |
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159 /** |
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160 * Determines whether this AbstractDuration is positive. For example, |
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161 * "P10H" is positive, while "-P10H" is not. |
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162 * |
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163 * @note Do not re-implement this function. Use the constructor, AbstractDuration(), |
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164 * for changing the value. |
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165 * @returns @c true if this AbstractDuration is positive, otherwise @c false. |
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166 */ |
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167 bool isPositive() const; |
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168 |
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169 protected: |
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170 |
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171 AbstractDuration(const bool isPos); |
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172 |
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173 static QString serializeMSeconds(const MSecondProperty mseconds); |
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174 static AtomicValue::Ptr create(const CaptureTable &captTable, |
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175 const QString &lexical, |
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176 bool *isPositive, |
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177 YearProperty *years, |
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178 MonthProperty *months, |
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179 DayCountProperty *days, |
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180 HourProperty *hours, |
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181 MinuteProperty *minutes, |
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182 SecondProperty *seconds, |
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183 MSecondProperty *mseconds); |
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184 const bool m_isPositive; |
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185 }; |
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186 } |
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187 |
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188 QT_END_NAMESPACE |
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189 |
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190 QT_END_HEADER |
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191 |
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192 #endif |