src/xmlpatterns/data/qinteger.cpp

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  41
  42 #include "qbuiltintypes_p.h"
  43 #include "qitem_p.h"
  44 #include "qvalidationerror_p.h"
  45
  46 #include "qinteger_p.h"
  47
  48 QT_BEGIN_NAMESPACE
  49
  50 using namespace QPatternist;
  51
  52 Item Integer::fromValue(const xsInteger num)
  53 {
  54     return toItem(Integer::Ptr(new Integer(num)));
  55 }
  56
  57 AtomicValue::Ptr Integer::fromLexical(const QString &strNumeric)
  58 {
  59     bool conversionOk = false;
  60     const xsInteger num = strNumeric.toLongLong(&conversionOk);
  61
  62     if(conversionOk)
  63         return AtomicValue::Ptr(new Integer(num));
  64     else
  65         return ValidationError::createError();
  66 }
  67
  68 Integer::Integer(const xsInteger num) : m_value(num)
  69 {
  70 }
  71
  72 bool Integer::evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const
  73 {
  74     return m_value != 0;
  75 }
  76
  77 QString Integer::stringValue() const
  78 {
  79     return QString::number(m_value);
  80 }
  81
  82 ItemType::Ptr Integer::type() const
  83 {
  84     return BuiltinTypes::xsInteger;
  85 }
  86
  87 xsDouble Integer::toDouble() const
  88 {
  89     return static_cast<xsDouble>(m_value);
  90 }
  91
  92 xsInteger Integer::toInteger() const
  93 {
  94     return m_value;
  95 }
  96
  97 xsFloat Integer::toFloat() const
  98 {
  99     return static_cast<xsFloat>(m_value);
 100 }
 101
 102 xsDecimal Integer::toDecimal() const
 103 {
 104     return static_cast<xsDecimal>(m_value);
 105 }
 106
 107 Numeric::Ptr Integer::round() const
 108 {
 109     /* xs:integerS never has a mantissa. */
 110     return Numeric::Ptr(const_cast<Integer *>(this));
 111 }
 112
 113 Numeric::Ptr Integer::roundHalfToEven(const xsInteger /*scale*/) const
 114 {
 115     return Numeric::Ptr(const_cast<Integer *>(this));
 116 }
 117
 118 Numeric::Ptr Integer::floor() const
 119 {
 120     return Numeric::Ptr(const_cast<Integer *>(this));
 121 }
 122
 123 Numeric::Ptr Integer::ceiling() const
 124 {
 125     return Numeric::Ptr(const_cast<Integer *>(this));
 126 }
 127
 128 Numeric::Ptr Integer::abs() const
 129 {
 130     /* No reason to allocate an Integer if we're already absolute. */
 131     if(m_value < 0)
 132         return Numeric::Ptr(new Integer(qAbs(m_value)));
 133     else
 134         return Numeric::Ptr(const_cast<Integer *>(this));
 135 }
 136
 137 bool Integer::isNaN() const
 138 {
 139     return false;
 140 }
 141
 142 bool Integer::isInf() const
 143 {
 144     return false;
 145 }
 146
 147 Item Integer::toNegated() const
 148 {
 149     return fromValue(-m_value);
 150 }
 151
 152 bool Integer::isSigned() const
 153 {
 154     return true;
 155 }
 156
 157 qulonglong Integer::toUnsignedInteger() const
 158 {
 159     Q_ASSERT_X(false, Q_FUNC_INFO,
 160                "It makes no sense to call this function, see Numeric::toUnsignedInteger().");
 161     return 0;
 162 }
 163
 164 QT_END_NAMESPACE