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39
40#include "qatomiccomparator_p.h"
41#include "qcommonvalues_p.h"
42#include "qschemadatetime_p.h"
43#include "qdaytimeduration_p.h"
44#include "qdecimal_p.h"
45#include "qinteger_p.h"
46#include "qpatternistlocale_p.h"
47
48#include "qdatetimefn_p.h"
49
50QT_BEGIN_NAMESPACE
51
52using namespace QPatternist;
53
54Item DateTimeFN::evaluateSingleton(const DynamicContext::Ptr &context) const
55{
56 const Item di(m_operands.first()->evaluateSingleton(context));
57 if(!di)
58 return Item();
59
60 const Item ti(m_operands.last()->evaluateSingleton(context));
61 if(!ti)
62 return Item();
63
64 QDateTime date(di.as<AbstractDateTime>()->toDateTime());
65 Q_ASSERT(date.isValid());
66 QDateTime time(ti.as<AbstractDateTime>()->toDateTime());
67 Q_ASSERT(time.isValid());
68
69 if(date.timeSpec() == time.timeSpec() || /* Identical timezone properties. */
70 time.timeSpec() == Qt::LocalTime) /* time has no timezone, but date do. */
71 {
72 date.setTime(time.time());
73 Q_ASSERT(date.isValid());
74 return DateTime::fromDateTime(dt: date);
75 }
76 else if(date.timeSpec() == Qt::LocalTime) /* date has no timezone, but time do. */
77 {
78 time.setDate(date.date());
79 Q_ASSERT(time.isValid());
80 return DateTime::fromDateTime(dt: time);
81 }
82 else
83 {
84 context->error(message: QtXmlPatterns::tr(sourceText: "If both values have zone offsets, "
85 "they must have the same zone offset. "
86 "%1 and %2 are not the same.")
87 .arg(args: formatData(data: di.stringValue()),
88 args: formatData(data: di.stringValue())),
89 errorCode: ReportContext::FORG0008, reflection: this);
90 return Item(); /* Silence GCC warning. */
91 }
92}
93
94QT_END_NAMESPACE
95

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