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FunctionRef.hpp
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1/*
2 * Copyright (c) 2001, 2008,
3 * DecisionSoft Limited. All rights reserved.
4 * Copyright (c) 2004, 2015 Oracle and/or its affiliates. All rights reserved.
5 *
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19
20#ifndef _XQILLAFUNCTIONREF_HPP
21#define _XQILLAFUNCTIONREF_HPP
22
23#include <vector>
24
25#include <xqilla/items/Item.hpp>
28
29class DynamicContext;
30class LocationInfo;
31class FunctionSignature;
32
33typedef std::vector<Result> VectorOfResults;
34
35class XQILLA_API FunctionRef : public Item
36{
37public:
39
40 virtual bool isNode() const { return false; }
41 virtual bool isAtomicValue() const { return false; }
42 virtual bool isFunction() const { return true; }
43
44 virtual const XMLCh *getTypeURI() const { return 0; }
45 virtual const XMLCh *getTypeName() const { return 0; }
46
47 virtual ATQNameOrDerived::Ptr getName(const DynamicContext *context) const = 0;
48 virtual size_t getNumArgs() const = 0;
49 virtual const FunctionSignature *getSignature() 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
53protected:
55};
56#endif
std::vector< Result > VectorOfResults
Definition FunctionRef.hpp:33
RefCountPointer< const ATQNameOrDerived > Ptr
Definition ATQNameOrDerived.hpp:32
The execution time dynamic context interface.
Definition DynamicContext.hpp:39
virtual const XMLCh * getTypeURI() const
Definition FunctionRef.hpp:44
virtual const XMLCh * getTypeName() const
Definition FunctionRef.hpp:45
virtual const FunctionSignature * getSignature() const =0
RefCountPointer< const FunctionRef > Ptr
Definition FunctionRef.hpp:38
virtual bool isAtomicValue() const
Definition FunctionRef.hpp:41
virtual size_t getNumArgs() const =0
virtual FunctionRef::Ptr partialApply(const Result &arg, unsigned int argNum, DynamicContext *context, const LocationInfo *location) const =0
virtual bool isFunction() const
Definition FunctionRef.hpp:42
FunctionRef()
Definition FunctionRef.hpp:54
virtual bool isNode() const
Definition FunctionRef.hpp:40
virtual ATQNameOrDerived::Ptr getName(const DynamicContext *context) const =0
virtual Result execute(const VectorOfResults &args, DynamicContext *context, const LocationInfo *location) const =0
Item()
Definition Item.hpp:67
A class that gives records a location in the query.
Definition LocationInfo.hpp:30
Super class of all the reference counted wrappers for Items.
Definition ReferenceCounted.hpp:62
A scoped pointer wrapper for the lazily evaluated query result.
Definition Result.hpp:38