66 lines
2 KiB
C++
66 lines
2 KiB
C++
/*
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* Copyright (c) 2001-2006
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* DecisionSoft Limited. All rights reserved.
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* Copyright (c) 2004-2006
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* Progress Software Corporation. All rights reserved.
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* Copyright (c) 2004-2006
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* Oracle. All rights reserved.
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*
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* See the file LICENSE for redistribution information.
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*
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* $Id: XQSequence.hpp,v 1.12 2007/02/07 12:12:54 jpcs Exp $
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*/
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#ifndef _XQSEQUENCE_HPP
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#define _XQSEQUENCE_HPP
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#include <xqilla/framework/XQillaExport.hpp>
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#include <xqilla/ast/ASTNodeImpl.hpp>
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#include <xqilla/items/ItemConstructor.hpp>
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class XPath2MemoryManager;
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class DynamicContext;
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/** deals with the numeric data type */
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class XQILLA_API XQSequence : public ASTNodeImpl
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{
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public:
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XQSequence(const Item::Ptr &item, DynamicContext *context, XPath2MemoryManager* memMgr);
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XQSequence(ItemConstructor *ic, XPath2MemoryManager* memMgr);
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XQSequence(XPath2MemoryManager* memMgr);
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~XQSequence();
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virtual bool isDateOrTimeAndHasNoTimezone(StaticContext* context) const;
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virtual bool isSingleNumericConstant(StaticContext *context) const;
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virtual ASTNode* staticResolution(StaticContext *context);
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virtual ASTNode *staticTyping(StaticContext *context);
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virtual Result createResult(DynamicContext* context, int flags=0) const;
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virtual void generateEvents(EventHandler *events, DynamicContext *context,
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bool preserveNS, bool preserveType) const;
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const ItemConstructor::Vector &getItemConstructors() const
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{
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return _itemConstructors;
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}
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static XQSequence *constantFold(Result &result, DynamicContext *context, XPath2MemoryManager* memMgr,
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const LocationInfo *location);
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private:
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class SequenceResult : public ResultImpl {
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public:
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SequenceResult(const XQSequence *seq);
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Item::Ptr next(DynamicContext *context);
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std::string asString(DynamicContext *context, int indent) const;
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private:
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const XQSequence *_seq;
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ItemConstructor::Vector::const_iterator _it;
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};
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ItemConstructor::Vector _itemConstructors;
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};
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#endif
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