XQuilla/include/xqilla/functions/FunctionBoolean.hpp
2020-02-17 22:14:54 +01:00

53 lines
1.7 KiB
C++

/*
* Copyright (c) 2001-2008
* DecisionSoft Limited. All rights reserved.
* Copyright (c) 2004-2008
* Oracle. 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.
*
* $Id: FunctionBoolean.hpp 475 2008-01-08 18:47:44Z jpcs $
*/
/*
Boolean function
*/
#ifndef _FUNCTIONBOOLEAN_HPP
#define _FUNCTIONBOOLEAN_HPP
#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/ast/ConstantFoldingFunction.hpp>
/** Boolean operator function, and exists functions. Warning, you may need to think
about this one, but in fact, these two functions have the same behaviour. */
class XQILLA_API FunctionBoolean : public ConstantFoldingFunction
{
public:
static const XMLCh name[];
static const unsigned int minArgs;
static const unsigned int maxArgs;
///Constructor. Sets arg def to NOT_OPTIONAL
FunctionBoolean(const VectorOfASTNodes &args, XPath2MemoryManager* memMgr);
ASTNode* staticResolution(StaticContext *context);
virtual ASTNode *staticTyping(StaticContext *context);
/** Returns the argument as a boolean. Sets result to value of getNextBool() **/
Sequence createSequence(DynamicContext* context, int flags=0) const;
};
#endif // _FUNCTIONBOOLEAN_HPP