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39
40#include "qabstractdatetime_p.h"
41#include "qcontextfns_p.h"
42#include "qdate_p.h"
43#include "qschemadatetime_p.h"
44#include "qdaytimeduration_p.h"
45#include "qpatternistlocale_p.h"
46#include "qschematime_p.h"
47
48#include "qtimezonefns_p.h"
49
50QT_BEGIN_NAMESPACE
51
52using namespace QPatternist;
53
54Item AdjustTimezone::evaluateSingleton(const DynamicContext::Ptr &context) const
55{
56 enum
57 {
58 /**
59 * The maximum zone offset, @c PT14H, in milli seconds.
60 */
61 MSecLimit = 14 * 60/*M*/ * 60/*S*/ * 1000/*ms*/
62 };
63
64
65 const Item arg(m_operands.first()->evaluateSingleton(context));
66 if(!arg)
67 return Item();
68
69 QDateTime dt(arg.as<AbstractDateTime>()->toDateTime());
70 // TODO DT dt.setDateOnly(false);
71 Q_ASSERT(dt.isValid());
72 DayTimeDuration::Ptr tz;
73
74 if(m_operands.count() == 2)
75 tz = DayTimeDuration::Ptr(m_operands.at(i: 1)->evaluateSingleton(context).as<DayTimeDuration>());
76 else
77 tz = context->implicitTimezone();
78
79 if(tz)
80 {
81 const MSecondCountProperty tzMSecs = tz->value();
82
83 if(tzMSecs % (1000 * 60) != 0)
84 {
85 context->error(message: QtXmlPatterns::tr(sourceText: "A zone offset must be in the "
86 "range %1..%2 inclusive. %3 is "
87 "out of range.")
88 .arg(a: formatData(data: "-PT14H"))
89 .arg(a: formatData(data: "PT14H"))
90 .arg(a: formatData(data: tz->stringValue())),
91 errorCode: ReportContext::FODT0003, reflection: this);
92 return Item();
93 }
94 else if(tzMSecs > MSecLimit ||
95 tzMSecs < -MSecLimit)
96 {
97 context->error(message: QtXmlPatterns::tr(sourceText: "%1 is not a whole number of minutes.")
98 .arg(a: formatData(data: tz->stringValue())),
99 errorCode: ReportContext::FODT0003, reflection: this);
100 return Item();
101 }
102
103 const SecondCountProperty tzSecs = tzMSecs / 1000;
104
105 if(dt.timeSpec() == Qt::LocalTime) /* $arg has no time zone. */
106 {
107 /* "If $arg does not have a timezone component and $timezone is not
108 * the empty sequence, then the result is $arg with $timezone as
109 * the timezone component." */
110 //dt.setTimeSpec(QDateTime::Spec(QDateTime::OffsetFromUTC, tzSecs));
111 dt.setOffsetFromUtc(tzSecs);
112 Q_ASSERT(dt.isValid());
113 return createValue(dt);
114 }
115 else
116 {
117 /* "If $arg has a timezone component and $timezone is not the empty sequence,
118 * then the result is an xs:dateTime value with a timezone component of
119 * $timezone that is equal to $arg." */
120 dt = dt.toUTC();
121 dt = dt.addSecs(secs: tzSecs);
122 //dt.setTimeSpec(QDateTime::Spec(QDateTime::OffsetFromUTC, tzSecs));
123 dt.setOffsetFromUtc(tzSecs);
124 Q_ASSERT(dt.isValid());
125 return createValue(dt);
126 }
127 }
128 else
129 { /* $timezone is the empty sequence. */
130 if(dt.timeSpec() == Qt::LocalTime) /* $arg has no time zone. */
131 {
132 /* "If $arg does not have a timezone component and $timezone is
133 * the empty sequence, then the result is $arg." */
134 return arg;
135 }
136 else
137 {
138 /* "If $arg has a timezone component and $timezone is the empty sequence,
139 * then the result is the localized value of $arg without its timezone component." */
140 dt.setTimeSpec(Qt::LocalTime);
141 return createValue(dt);
142 }
143 }
144}
145
146Item AdjustDateTimeToTimezoneFN::createValue(const QDateTime &dt) const
147{
148 Q_ASSERT(dt.isValid());
149 return DateTime::fromDateTime(dt);
150}
151
152Item AdjustDateToTimezoneFN::createValue(const QDateTime &dt) const
153{
154 Q_ASSERT(dt.isValid());
155 return Date::fromDateTime(date: dt);
156}
157
158Item AdjustTimeToTimezoneFN::createValue(const QDateTime &dt) const
159{
160 Q_ASSERT(dt.isValid());
161 return SchemaTime::fromDateTime(dt);
162}
163
164QT_END_NAMESPACE
165

source code of qtxmlpatterns/src/xmlpatterns/functions/qtimezonefns.cpp