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 | ** Contact: Qt Software Information ([email protected])
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5 | **
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6 | ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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7 | **
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8 | ** $QT_BEGIN_LICENSE:LGPL$
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9 | ** Commercial Usage
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10 | ** Licensees holding valid Qt Commercial licenses may use this file in
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11 | ** accordance with the Qt Commercial License Agreement provided with the
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12 | ** Software or, alternatively, in accordance with the terms contained in
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13 | ** a written agreement between you and Nokia.
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14 | **
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15 | ** GNU Lesser General Public License Usage
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16 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 | ** General Public License version 2.1 as published by the Free Software
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18 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 | ** packaging of this file. Please review the following information to
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20 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 | **
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23 | ** In addition, as a special exception, Nokia gives you certain
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24 | ** additional rights. These rights are described in the Nokia Qt LGPL
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25 | ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 | ** package.
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27 | **
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28 | ** GNU General Public License Usage
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29 | ** Alternatively, this file may be used under the terms of the GNU
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30 | ** General Public License version 3.0 as published by the Free Software
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31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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32 | ** packaging of this file. Please review the following information to
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33 | ** ensure the GNU General Public License version 3.0 requirements will be
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34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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35 | **
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36 | ** If you are unsure which license is appropriate for your use, please
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37 | ** contact the sales department at [email protected].
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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 | #include "qabstractdatetime_p.h"
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43 | #include "qcontextfns_p.h"
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44 | #include "qdate_p.h"
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45 | #include "qschemadatetime_p.h"
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46 | #include "qdaytimeduration_p.h"
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47 | #include "qpatternistlocale_p.h"
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48 | #include "qschematime_p.h"
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49 |
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50 | #include "qtimezonefns_p.h"
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51 |
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52 | QT_BEGIN_NAMESPACE
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53 |
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54 | using namespace QPatternist;
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55 |
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56 | Item AdjustTimezone::evaluateSingleton(const DynamicContext::Ptr &context) const
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57 | {
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58 | enum
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59 | {
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60 | /**
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61 | * The maximum zone offset, @c PT14H, in milli seconds.
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62 | */
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63 | MSecLimit = 14 * 60/*M*/ * 60/*S*/ * 1000/*ms*/
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64 | };
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65 |
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66 |
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67 | const Item arg(m_operands.first()->evaluateSingleton(context));
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68 | if(!arg)
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69 | return Item();
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70 |
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71 | QDateTime dt(arg.as<AbstractDateTime>()->toDateTime());
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72 | // TODO DT dt.setDateOnly(false);
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73 | Q_ASSERT(dt.isValid());
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74 | DayTimeDuration::Ptr tz;
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75 |
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76 | if(m_operands.count() == 2)
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77 | tz = DayTimeDuration::Ptr(m_operands.at(1)->evaluateSingleton(context).as<DayTimeDuration>());
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78 | else
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79 | tz = context->implicitTimezone();
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80 |
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81 | if(tz)
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82 | {
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83 | const MSecondCountProperty tzMSecs = tz->value();
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84 |
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85 | if(tzMSecs % (1000 * 60) != 0)
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86 | {
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87 | context->error(QtXmlPatterns::tr("A zone offset must be in the "
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88 | "range %1..%2 inclusive. %3 is "
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89 | "out of range.")
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90 | .arg(formatData("-PT14H"))
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91 | .arg(formatData("PT14H"))
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92 | .arg(formatData(tz->stringValue())),
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93 | ReportContext::FODT0003, this);
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94 | return Item();
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95 | }
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96 | else if(tzMSecs > MSecLimit ||
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97 | tzMSecs < -MSecLimit)
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98 | {
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99 | context->error(QtXmlPatterns::tr("%1 is not a whole number of minutes.")
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100 | .arg(formatData(tz->stringValue())),
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101 | ReportContext::FODT0003, this);
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102 | return Item();
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103 | }
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104 |
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105 | const SecondCountProperty tzSecs = tzMSecs / 1000;
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106 |
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107 | if(dt.timeSpec() == Qt::LocalTime) /* $arg has no time zone. */
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108 | {
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109 | /* "If $arg does not have a timezone component and $timezone is not
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110 | * the empty sequence, then the result is $arg with $timezone as
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111 | * the timezone component." */
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112 | //dt.setTimeSpec(QDateTime::Spec(QDateTime::OffsetFromUTC, tzSecs));
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113 | dt.setUtcOffset(tzSecs);
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114 | Q_ASSERT(dt.isValid());
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115 | return createValue(dt);
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116 | }
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117 | else
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118 | {
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119 | /* "If $arg has a timezone component and $timezone is not the empty sequence,
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120 | * then the result is an xs:dateTime value with a timezone component of
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121 | * $timezone that is equal to $arg." */
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122 | dt = dt.toUTC();
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123 | dt = dt.addSecs(tzSecs);
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124 | //dt.setTimeSpec(QDateTime::Spec(QDateTime::OffsetFromUTC, tzSecs));
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125 | dt.setUtcOffset(tzSecs);
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126 | Q_ASSERT(dt.isValid());
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127 | return createValue(dt);
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128 | }
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129 | }
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130 | else
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131 | { /* $timezone is the empty sequence. */
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132 | if(dt.timeSpec() == Qt::LocalTime) /* $arg has no time zone. */
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133 | {
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134 | /* "If $arg does not have a timezone component and $timezone is
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135 | * the empty sequence, then the result is $arg." */
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136 | return arg;
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137 | }
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138 | else
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139 | {
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140 | /* "If $arg has a timezone component and $timezone is the empty sequence,
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141 | * then the result is the localized value of $arg without its timezone component." */
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142 | dt.setTimeSpec(Qt::LocalTime);
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143 | return createValue(dt);
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144 | }
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145 | }
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146 | }
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147 |
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148 | Item AdjustDateTimeToTimezoneFN::createValue(const QDateTime &dt) const
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149 | {
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150 | Q_ASSERT(dt.isValid());
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151 | return DateTime::fromDateTime(dt);
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152 | }
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153 |
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154 | Item AdjustDateToTimezoneFN::createValue(const QDateTime &dt) const
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155 | {
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156 | Q_ASSERT(dt.isValid());
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157 | return Date::fromDateTime(dt);
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158 | }
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159 |
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160 | Item AdjustTimeToTimezoneFN::createValue(const QDateTime &dt) const
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161 | {
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162 | Q_ASSERT(dt.isValid());
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163 | return SchemaTime::fromDateTime(dt);
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164 | }
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165 |
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166 | QT_END_NAMESPACE
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