XQuilla/include/xqilla/ast/XQFunction.hpp
2020-02-17 22:23:16 +01:00

69 lines
2.4 KiB
C++

/*
* Copyright (c) 2001, 2008,
* DecisionSoft Limited. All rights reserved.
* Copyright (c) 2004, 2015 Oracle and/or its affiliates. All rights reserved.
*
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _XQFUNCTION_HPP
#define _XQFUNCTION_HPP
#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/ast/ASTNodeImpl.hpp>
#include <xqilla/runtime/Sequence.hpp>
#include <xqilla/items/ATStringOrDerived.hpp>
#include <xqilla/context/ItemFactory.hpp>
#include <xercesc/util/XMLUniDefs.hpp> // because every implementation will use these to define the function name
#include <vector>
class SequenceType;
class FunctionSignature;
class XQILLA_API XQFunction : public ASTNodeImpl
{
public:
static const XMLCh XMLChFunctionURI[];
XQFunction(const XMLCh *name, const char *signature, const VectorOfASTNodes &args, XPath2MemoryManager* memMgr);
const XMLCh* getFunctionURI()const { return uri_; }
const XMLCh* getFunctionName()const { return name_; }
FunctionSignature *getSignature() const { return signature_; }
void setSignature(FunctionSignature *s) { signature_ = s; }
const VectorOfASTNodes &getArguments() const { return _args; }
size_t getNumArgs() const;
virtual ASTNode *staticResolution(StaticContext *context);
virtual ASTNode *staticTypingImpl(StaticContext *context);
virtual Result createResult(DynamicContext* context, int flags=0) const;
virtual Sequence createSequence(DynamicContext* context, int flags=0) const;
virtual Result getParamNumber(size_t number, DynamicContext* context, int flags=0) const;
void parseSignature(StaticContext *context);
protected:
void resolveArguments(StaticContext *context, bool numericFunction = false);
void calculateSRCForArguments(StaticContext *context, bool checkTimezone = false);
const XMLCh *name_, *uri_;
const char *sigString_;
FunctionSignature *signature_;
VectorOfASTNodes _args;
};
#endif