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FunctionRef.hpp
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1 /*
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3  * DecisionSoft Limited. All rights reserved.
4  * Copyright (c) 2004-2007
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7  * Licensed under the Apache License, Version 2.0 (the "License");
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21 
22 #ifndef _XQILLAFUNCTIONREF_HPP
23 #define _XQILLAFUNCTIONREF_HPP
24 
25 #include <vector>
26 
27 #include <xqilla/items/Item.hpp>
30 
31 class DynamicContext;
33 
34 typedef std::vector<Result> VectorOfResults;
35 
36 class XQILLA_API FunctionRef : public Item
37 {
38 public:
40 
41  virtual bool isNode() const { return false; }
42  virtual bool isAtomicValue() const { return false; }
43  virtual bool isFunction() const { return true; }
44 
45  virtual const XMLCh *getTypeURI() const { return 0; }
46  virtual const XMLCh *getTypeName() const { return 0; }
47 
48  virtual ATQNameOrDerived::Ptr getName(const DynamicContext *context) const = 0;
49  virtual size_t getNumArgs() const = 0;
50  virtual Result execute(const VectorOfResults &args, DynamicContext *context, const LocationInfo *location) const = 0;
51  virtual FunctionRef::Ptr partialApply(const Result &arg, unsigned int argNum, DynamicContext *context, const LocationInfo *location) const = 0;
52 
53 protected:
55 };
56 #endif
virtual bool isNode() const
Definition: FunctionRef.hpp:41
FunctionRef()
Definition: FunctionRef.hpp:54
Super class of all the reference counted wrappers for Items.
Definition: ReferenceCounted.hpp:58
virtual const XMLCh * getTypeName() const
Definition: FunctionRef.hpp:46
Definition: FunctionRef.hpp:36
A scoped pointer wrapper for the lazily evaluated query result.
Definition: Result.hpp:39
std::vector< Result > VectorOfResults
Definition: FunctionRef.hpp:32
virtual bool isAtomicValue() const
Definition: FunctionRef.hpp:42
virtual bool isFunction() const
Definition: FunctionRef.hpp:43
Definition: Item.hpp:38
The execution time dynamic context interface.
Definition: DynamicContext.hpp:39
A class that gives records a location in the query.
Definition: LocationInfo.hpp:31
RefCountPointer< const FunctionRef > Ptr
Definition: FunctionRef.hpp:39
virtual const XMLCh * getTypeURI() const
Definition: FunctionRef.hpp:45