src/xmlpatterns/data/qyearmonthduration.cpp

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  41
  42 #include "qbuiltintypes_p.h"
  43 #include "qcommonvalues_p.h"
  44
  45 #include "qyearmonthduration_p.h"
  46
  47 QT_BEGIN_NAMESPACE
  48
  49 using namespace QPatternist;
  50
  51 YearMonthDuration::YearMonthDuration(const bool isPositiveP,
  52                                      const YearProperty yearsP,
  53                                      const MonthProperty monthsP) : AbstractDuration(isPositiveP),
  54                                                                     m_years(yearsP),
  55                                                                     m_months(monthsP)
  56 {
  57     Q_ASSERT(monthsP < 32 && monthsP > -32);
  58 }
  59
  60 YearMonthDuration::Ptr YearMonthDuration::fromLexical(const QString &lexical)
  61 {
  62     static const CaptureTable captureTable(
  63         /* The extra paranthesis is a build fix for GCC 3.3. */
  64         (QRegExp(QLatin1String(
  65                 "^\\s*"         /* Any preceding whitespace. */
  66                 "(-)?"          /* Sign, if any. */
  67                 "P"             /* Delimiter. */
  68                 "(?:(\\d+)Y)?"  /* The years part. */
  69                 "(?:(\\d+)M)?"  /* The months part. */
  70                 "\\s*$"         /* Any terminating whitespace. */))),
  71         2,                      /* yearP. */
  72         3                       /* monthP. */);
  73
  74     YearProperty years = 0;
  75     MonthProperty months = 0;
  76     bool isPos;
  77
  78     const AtomicValue::Ptr err(create(captureTable, lexical, &isPos, &years,
  79                                       &months, 0, 0, 0, 0, 0));
  80
  81     return err ? err : YearMonthDuration::Ptr(new YearMonthDuration(isPos, years, months));
  82 }
  83
  84 YearMonthDuration::Ptr YearMonthDuration::fromComponents(const bool isPositive,
  85                                                          const YearProperty years,
  86                                                          const MonthProperty months)
  87 {
  88     return YearMonthDuration::Ptr(new YearMonthDuration(isPositive, years, months));
  89 }
  90
  91 QString YearMonthDuration::stringValue() const
  92 {
  93     QString retval;
  94
  95     if(!m_isPositive)
  96         retval.append(QLatin1Char('-'));
  97
  98     retval.append(QLatin1Char('P'));
  99
 100     /* When years == 0 and months == 0, we get "P0M", which
 101      * is the correct canonical form. */
 102     if(m_years)
 103     {
 104         retval.append(QString::number(m_years));
 105         retval.append(QLatin1Char('Y'));
 106
 107         if(m_months)
 108         {
 109             retval.append(QString::number(m_months));
 110             retval.append(QLatin1Char('M'));
 111         }
 112     }
 113     else
 114     {
 115         if(m_months)
 116         {
 117             retval.append(QString::number(m_months));
 118             retval.append(QLatin1Char('M'));
 119         }
 120         else
 121             return QLatin1String("P0M"); /* Ensure the canonical form. */
 122     }
 123
 124     return retval;
 125 }
 126
 127 AbstractDuration::Value YearMonthDuration::value() const
 128 {
 129     return (m_years * 12 + m_months) * (m_isPositive ? 1 : -1);
 130 }
 131
 132 Item YearMonthDuration::fromValue(const Value val) const
 133 {
 134     if(val == 0)
 135         return toItem(CommonValues::YearMonthDurationZero);
 136     else
 137     {
 138         const Value absValue = qAbs(val);
 139         return toItem(YearMonthDuration::fromComponents(val >= 0,
 140                                                         absValue / 12,
 141                                                         absValue % 12));
 142     }
 143 }
 144
 145 ItemType::Ptr YearMonthDuration::type() const
 146 {
 147     return BuiltinTypes::xsYearMonthDuration;
 148 }
 149
 150 YearProperty YearMonthDuration::years() const
 151 {
 152     return m_years;
 153 }
 154
 155 MonthProperty YearMonthDuration::months() const
 156 {
 157     return m_months;
 158 }
 159
 160 DayCountProperty YearMonthDuration::days() const
 161 {
 162     return 0;
 163 }
 164
 165 HourProperty YearMonthDuration::hours() const
 166 {
 167     return 0;
 168 }
 169
 170 MinuteProperty YearMonthDuration::minutes() const
 171 {
 172     return 0;
 173 }
 174
 175 SecondProperty YearMonthDuration::seconds() const
 176 {
 177     return 0;
 178 }
 179
 180 MSecondProperty YearMonthDuration::mseconds() const
 181 {
 182     return 0;
 183 }
 184
 185
 186 QT_END_NAMESPACE