Qt 4.8
Public Functions | List of all members
QPatternist::QNameFN Class Reference

Implements the function fn:QXmlName(). More...

#include <qqnamefns_p.h>

Inheritance diagram for QPatternist::QNameFN:
QPatternist::FunctionCall QPatternist::UnlimitedContainer QPatternist::Expression QSharedData QPatternist::CppCastingHelper< Expression > QPatternist::SourceLocationReflection

Public Functions

virtual Item evaluateSingleton (const DynamicContext::Ptr &context) const
 
- Public Functions inherited from QPatternist::FunctionCall
virtual ExpressionVisitorResult::Ptr accept (const ExpressionVisitor::Ptr &visitor) const
 
virtual SequenceType::List expectedOperandTypes () const
 
virtual ID id () const
 
virtual Expression::Properties properties () const
 
virtual void setSignature (const FunctionSignature::Ptr &sign)
 
virtual FunctionSignature::Ptr signature () const
 
virtual SequenceType::Ptr staticType () const
 
virtual Expression::Ptr typeCheck (const StaticContext::Ptr &context, const SequenceType::Ptr &reqType)
 
- Public Functions inherited from QPatternist::UnlimitedContainer
virtual bool compressOperands (const StaticContext::Ptr &)
 
virtual Expression::List operands () const
 
virtual void setOperands (const Expression::List &list)
 
 UnlimitedContainer (const Expression::List &operands=Expression::List())
 
- Public Functions inherited from QPatternist::Expression
virtual const SourceLocationReflection * actualReflection () const
 Returns this. More...
 
virtual void announceFocusType (const ItemType::Ptr &itemType)
 
virtual Expression::Ptr compress (const StaticContext::Ptr &context)
 
Properties deepProperties () const
 Computes the union of properties for this Expression and all its descending children. More...
 
virtual Properties dependencies () const
 
virtual QString description () const
 
virtual bool evaluateEBV (const DynamicContext::Ptr &context) const
 
virtual Item::Iterator::Ptr evaluateSequence (const DynamicContext::Ptr &context) const
 
virtual void evaluateToSequenceReceiver (const DynamicContext::Ptr &context) const
 
virtual ItemType::Ptr expectedContextItemType () const
 
 Expression ()
 
bool has (const Property prop) const
 
bool hasDependency (const Property prop) const
 
bool is (const ID id) const
 
bool isEvaluated () const
 
virtual ItemType::Ptr newFocusType () const
 
virtual QList< QExplicitlySharedDataPointer< OptimizationPass > > optimizationPasses () const
 
virtual PatternPriority patternPriority () const
 
const Expression::Ptr & rewrite (const Expression::Ptr &to, const StaticContext::Ptr &context) const
 Rewrites this Expression to to, and return to. More...
 
virtual ~Expression ()
 
- Public Functions inherited from QSharedData
 QSharedData ()
 Constructs a QSharedData object with a reference count of 0. More...
 
 QSharedData (const QSharedData &)
 Constructs a QSharedData object with reference count 0. More...
 
- Public Functions inherited from QPatternist::CppCastingHelper< Expression >
const TCastTarget * as () const
 
TCastTarget * as ()
 
- Public Functions inherited from QPatternist::SourceLocationReflection
virtual QSourceLocation sourceLocation () const
 
 SourceLocationReflection ()
 
virtual ~SourceLocationReflection ()
 

Additional Inherited Members

- Public Types inherited from QPatternist::FunctionCall
typedef QExplicitlySharedDataPointer< FunctionCall > Ptr
 
- Public Types inherited from QPatternist::UnlimitedContainer
enum  CardinalityComputation { ProductOfCardinality, UnionOfCardinality }
 
- Public Types inherited from QPatternist::Expression
typedef QExplicitlySharedDataPointer< const Expression > ConstPtr
 A smart pointer wrapping const Expression instances. More...
 
enum  ID {
  IDBooleanValue = 1, IDCountFN, IDEmptyFN, IDExistsFN,
  IDExpressionSequence, IDGeneralComparison, IDIfThenClause, IDIgnorableExpression,
  IDIntegerValue, IDPositionFN, IDStringValue, IDValueComparison,
  IDRangeVariableReference, IDContextItem, IDUserFunctionCallsite, IDExpressionVariableReference,
  IDAttributeConstructor, IDUpperCaseFN, IDLowerCaseFN, IDFirstItemPredicate,
  IDEmptySequence, IDReturnOrderBy, IDLetClause, IDForClause,
  IDPath, IDNamespaceConstructor, IDArgumentReference, IDGenericPredicate,
  IDAxisStep, IDFloat, IDCombineNodes, IDUnresolvedVariableReference,
  IDCardinalityVerifier
}
 
typedef QList< Expression::Ptr > List
 
typedef QFlags< Property > Properties
 
enum  Property {
  UseContextItem = 1, DisableElimination = 1 << 1, IsEvaluated = 1 << 2, DisableTypingDeduction = 1 << 3,
  EmptynessFollowsChild = 1 << 4, RewriteToEmptyOnEmpty = 1 << 5, RequiresFocus = 1 << 6, AffectsOrderOnly = 1 << 7,
  RequiresContextItem = (1 << 8) | RequiresFocus, CreatesFocusForLast = 1 << 9, LastOperandIsCollation = 1 << 10, DependsOnLocalVariable = (1 << 11) | DisableElimination,
  EvaluationCacheRedundant = (1 << 12), IsNodeConstructor = 1 << 13, RequiresCurrentItem = 1 << 14
}
 
typedef QExplicitlySharedDataPointer< Expression > Ptr
 A smart pointer wrapping mutable Expression instances. More...
 
typedef ::QAbstractXmlForwardIterator< Expression::Ptr > QAbstractXmlForwardIterator
 
typedef QVector< Expression::Ptr > Vector
 
- Static Public Functions inherited from QPatternist::Expression
static void rewrite (Expression::Ptr &old, const Expression::Ptr &New, const StaticContext::Ptr &context)
 
- Public Variables inherited from QSharedData
QAtomicInt ref
 
- Protected Functions inherited from QPatternist::UnlimitedContainer
template<CardinalityComputation suppliedCard>
SequenceType::Ptr operandsUnionType () const
 
- Protected Functions inherited from QPatternist::Expression
void typeCheckOperands (const StaticContext::Ptr &context)
 
- Protected Functions inherited from QPatternist::CppCastingHelper< Expression >
 CppCastingHelper ()
 
- Protected Variables inherited from QPatternist::UnlimitedContainer
Expression::List m_operands
 

Detailed Description

Implements the function fn:QXmlName().

Author
Frans Englich frans.nosp@m..eng.nosp@m.lich@.nosp@m.noki.nosp@m.a.com

Definition at line 79 of file qqnamefns_p.h.

Functions

◆ evaluateSingleton()

Item QNameFN::evaluateSingleton ( const DynamicContext::Ptr &  context) const
virtual

Reimplemented from QPatternist::Expression.

Definition at line 58 of file qqnamefns.cpp.

59 {
60  const Item paramURI(m_operands.first()->evaluateSingleton(context));
61  const QString paramQName(m_operands.last()->evaluateSingleton(context).stringValue());
62 
63  QString ns;
64  if(paramURI)
65  ns = paramURI.stringValue();
66 
67  if(!XPathHelper::isQName(paramQName))
68  {
69  context->error(QtXmlPatterns::tr("%1 is an invalid %2").arg(formatData(paramQName),
70  formatType(context->namePool(), BuiltinTypes::xsQName)),
71  ReportContext::FOCA0002, this);
72  return Item();
73  }
74 
75  QString prefix;
76  QString lname;
77  XPathHelper::splitQName(paramQName, prefix, lname);
78  const QXmlName n(context->namePool()->allocateQName(ns, lname, prefix));
79 
80  if(ns.isEmpty())
81  {
82  if(prefix.isEmpty())
83  return toItem(QNameValue::fromValue(context->namePool(), n));
84  else
85  {
86  context->error(QtXmlPatterns::tr(
87  "If the first argument is the empty sequence or "
88  "a zero-length string (no namespace), a prefix "
89  "cannot be specified. Prefix %1 was specified.")
90  .arg(formatKeyword(prefix)),
91  ReportContext::FOCA0002, this);
92  return Item(); /* Silence compiler warning. */
93  }
94  }
95  else
96  return toItem(QNameValue::fromValue(context->namePool(), n));
97 }
QPatternist::DynamicContext::namePool
virtual NamePool::Ptr namePool() const =0
QPatternist::formatKeyword
QString formatKeyword(const QString &keyword)
Definition: qpatternistlocale_p.h:94
QPatternist::formatType
QString formatType(const NamePool::Ptr &np, const T &type)
Formats ItemType and SequenceType.
Definition: qpatternistlocale_p.h:160
QPatternist::toItem
Item toItem(const QExplicitlySharedDataPointer< T > atomicValue)
Definition: qitem_p.h:431
QString
The QString class provides a Unicode character string.
Definition: qstring.h:83
QPatternist::ReportContext::error
void error(const QString &message, const ReportContext::ErrorCode errorCode, const QSourceLocation &sourceLocation)
Definition: qreportcontext.cpp:81
QPatternist::QNameValue::fromValue
static QNameValue::Ptr fromValue(const NamePool::Ptr &np, const QXmlName name)
Definition: qqnamevalue.cpp:59
QString::isEmpty
bool isEmpty() const
Returns true if the string has no characters; otherwise returns false.
Definition: qstring.h:704
QPatternist::Item::stringValue
QString stringValue() const
Returns the string value of this Item.
Definition: qitem_p.h:302
QPatternist::formatData
static QString formatData(const QString &data)
Definition: qpatternistlocale_p.h:228
QList::first
T & first()
Returns a reference to the first item in the list.
Definition: qlist.h:282
QXmlName
The QXmlName class represents the name of an XML node, in an efficient, namespace-aware way...
Definition: qxmlname.h:58
QPatternist::Item
Represents an item in the XPath 2.0 Data Model.
Definition: qitem_p.h:182
QPatternist::BuiltinTypes::xsQName
static const AtomicType::Ptr xsQName
Definition: qbuiltintypes_p.h:126
QList::last
T & last()
Returns a reference to the last item in the list.
Definition: qlist.h:284
QPatternist::NamePool::allocateQName
QXmlName allocateQName(const QString &uri, const QString &localName, const QString &prefix=QString())
Definition: qnamepool.cpp:251
QPatternist::XPathHelper::splitQName
static void splitQName(const QString &qName, QString &prefix, QString &localName)
Splits qName into localName and prefix.
Definition: qxpathhelper.cpp:80
QPatternist::XPathHelper::isQName
static bool isQName(const QString &qName)
Definition: qxpathhelper.cpp:64
QPatternist::Expression::evaluateSingleton
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const
Definition: qexpression.cpp:310
The documentation for this class was generated from the following files:
Qt 4.8 Source Code Browser