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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 #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 |