50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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* Copyright (c) 2001-2008
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* DecisionSoft Limited. All rights reserved.
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* Copyright (c) 2004-2008
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* Oracle. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* $Id: FunctionExists.hpp,v 1.13 2008/01/08 18:47:31 jpcs Exp $
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*/
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/*
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xf:exists(item* $srcval) => boolean
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*/
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#ifndef _FUNCTIONEXISTS_HPP
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#define _FUNCTIONEXISTS_HPP
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#include <xqilla/framework/XQillaExport.hpp>
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#include <xqilla/ast/ConstantFoldingFunction.hpp>
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class XQILLA_API FunctionExists : public ConstantFoldingFunction
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{
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public:
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static const XMLCh name[];
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static const unsigned int minArgs;
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static const unsigned int maxArgs;
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FunctionExists(const VectorOfASTNodes &args, XPath2MemoryManager* memMgr);
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ASTNode* staticResolution(StaticContext *context);
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virtual ASTNode *staticTyping(StaticContext *context);
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Sequence createSequence(DynamicContext* context, int flags=0) const;
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};
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#endif // _FUNCTIONEXISTS_HPP
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