src/xmlpatterns/data/qyearmonthduration.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
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     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
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     7 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
       
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    33 **
       
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    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    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