src/xmlpatterns/functions/qconstructorfunctionsfactory.cpp

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  41
  42 #include "qatomictype_p.h"
  43 #include "qbuiltintypes_p.h"
  44 #include "qcastas_p.h"
  45 #include "qcommonnamespaces_p.h"
  46 #include "qcommonsequencetypes_p.h"
  47 #include "qfunctionargument_p.h"
  48 #include "qfunctioncall_p.h"
  49 #include "qgenericsequencetype_p.h"
  50 #include "qschematype_p.h"
  51 #include "qschematypefactory_p.h"
  52
  53 #include "qconstructorfunctionsfactory_p.h"
  54
  55 QT_BEGIN_NAMESPACE
  56
  57 using namespace QPatternist;
  58
  59 ConstructorFunctionsFactory::ConstructorFunctionsFactory(const NamePool::Ptr &np, const SchemaTypeFactory::Ptr &f) : m_typeFactory(f)
  60 {
  61     Q_ASSERT(m_typeFactory);
  62     Q_ASSERT(np);
  63     SchemaType::Hash::const_iterator it(m_typeFactory->types().constBegin());
  64     const SchemaType::Hash::const_iterator end(m_typeFactory->types().constEnd());
  65
  66     FunctionArgument::List args;
  67     const QXmlName argName(StandardNamespaces::empty, StandardLocalNames::sourceValue);
  68
  69     args.append(FunctionArgument::Ptr(new FunctionArgument(argName,
  70                                                            CommonSequenceTypes::ZeroOrOneAtomicType)));
  71
  72     while(it != end)
  73     {
  74         if(!BuiltinTypes::xsAnyAtomicType->wxsTypeMatches(*it) ||
  75            *BuiltinTypes::xsAnyAtomicType == *static_cast<const AtomicType *>((*it).data()) ||
  76            *BuiltinTypes::xsNOTATION == *static_cast<const AtomicType *>((*it).data()))
  77         {
  78             /* It's not a valid type for a constructor function -- skip it. */
  79             ++it;
  80             continue;
  81         }
  82
  83         const QXmlName name((*it)->name(np));
  84         FunctionSignature::Ptr s(new FunctionSignature(name, 1, 1,
  85                                                        makeGenericSequenceType(AtomicType::Ptr(*it),
  86                                                                                Cardinality::zeroOrOne())));
  87         s->setArguments(args);
  88         m_signatures.insert(name, s);
  89         ++it;
  90     }
  91 }
  92
  93 Expression::Ptr ConstructorFunctionsFactory::retrieveExpression(const QXmlName name,
  94                                                                 const Expression::List &args,
  95                                                                 const FunctionSignature::Ptr &sign) const
  96 {
  97     Q_UNUSED(sign);
  98
  99     /* This function is only called if the callsite is valid, so createSchemaType() will always
 100      * return an AtomicType. */
 101     const AtomicType::Ptr at(static_cast<AtomicType *>(m_typeFactory->createSchemaType(name).data()));
 102
 103     return Expression::Ptr(new CastAs(args.first(),
 104                                       makeGenericSequenceType(at,
 105                                                               Cardinality::zeroOrOne())));
 106 }
 107
 108 FunctionSignature::Ptr ConstructorFunctionsFactory::retrieveFunctionSignature(const NamePool::Ptr &np, const QXmlName name)
 109 {
 110     Q_UNUSED(np);
 111     return functionSignatures().value(name);
 112 }
 113
 114 QT_END_NAMESPACE