src/xmlpatterns/data/qboolean.cpp

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  41
  42 #include "qatomictype_p.h"
  43 #include "qbuiltintypes_p.h"
  44 #include "qcommonvalues_p.h"
  45 #include "qdynamiccontext_p.h"
  46 #include "qpatternistlocale_p.h"
  47 #include "qvalidationerror_p.h"
  48
  49 #include "qboolean_p.h"
  50
  51 QT_BEGIN_NAMESPACE
  52
  53 using namespace QPatternist;
  54
  55 bool Boolean::evaluateEBV(const Item::Iterator::Ptr &it,
  56                           const QExplicitlySharedDataPointer<DynamicContext> &context)
  57 {
  58     return evaluateEBV(it->next(), it, context);
  59 }
  60
  61 bool Boolean::evaluateEBV(const Item &first,
  62                           const Item::Iterator::Ptr &it,
  63                           const QExplicitlySharedDataPointer<DynamicContext> &context)
  64 {
  65     Q_ASSERT(it);
  66     Q_ASSERT(context);
  67
  68     if(!first)
  69         return false;
  70     else if(first.isNode())
  71         return true;
  72
  73     const Item second(it->next());
  74
  75     if(second)
  76     {
  77         Q_ASSERT(context);
  78         context->error(QtXmlPatterns::tr("Effective Boolean Value cannot be calculated for a sequence "
  79                                          "containing two or more atomic values."),
  80                           ReportContext::FORG0006,
  81                           QSourceLocation());
  82         return false;
  83     }
  84     else
  85         return first.as<AtomicValue>()->evaluateEBV(context);
  86 }
  87
  88 bool Boolean::evaluateEBV(const Item &item,
  89                           const QExplicitlySharedDataPointer<DynamicContext> &context)
  90 {
  91     if(!item)
  92         return false;
  93     else if(item.isNode())
  94         return true;
  95     else
  96         return item.as<AtomicValue>()->evaluateEBV(context);
  97 }
  98
  99 Boolean::Boolean(const bool value) : m_value(value)
 100 {
 101 }
 102
 103 QString Boolean::stringValue() const
 104 {
 105     return m_value
 106             ? CommonValues::TrueString->stringValue()
 107             : CommonValues::FalseString->stringValue();
 108 }
 109
 110 bool Boolean::evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const
 111 {
 112     return m_value;
 113 }
 114
 115 Boolean::Ptr Boolean::fromValue(const bool value)
 116 {
 117     return value ? CommonValues::BooleanTrue : CommonValues::BooleanFalse;
 118 }
 119
 120 AtomicValue::Ptr Boolean::fromLexical(const QString &lexical)
 121 {
 122     const QString val(lexical.trimmed()); /* Apply the whitespace facet. */
 123
 124     if(val == QLatin1String("true") || val == QChar(QLatin1Char('1')))
 125         return CommonValues::BooleanTrue;
 126     else if(val == QLatin1String("false") || val == QChar(QLatin1Char('0')))
 127         return CommonValues::BooleanFalse;
 128     else
 129         return ValidationError::createError();
 130 }
 131
 132 ItemType::Ptr Boolean::type() const
 133 {
 134     return BuiltinTypes::xsBoolean;
 135 }
 136
 137 QT_END_NAMESPACE