99 lines
2.4 KiB
C++
99 lines
2.4 KiB
C++
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/*
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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: PendingUpdateList.hpp,v 1.2 2006/12/09 15:32:45 gmfeinberg Exp $
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*/
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#ifndef _PENDINGUPDATELIST_HPP
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#define _PENDINGUPDATELIST_HPP
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#include <xqilla/framework/XQillaExport.hpp>
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#include <xqilla/runtime/Sequence.hpp>
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#include <xqilla/items/Node.hpp>
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#include <xqilla/ast/LocationInfo.hpp>
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class XQILLA_API PendingUpdate : public LocationInfo
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{
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public:
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/**
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* This enumeration is ordered according to the order
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* that the pending updates should be applied.
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*/
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enum Type {
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INSERT_INTO,
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INSERT_ATTRIBUTES,
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REPLACE_VALUE,
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RENAME,
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PUDELETE,
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INSERT_BEFORE,
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INSERT_AFTER,
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INSERT_INTO_AS_FIRST,
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INSERT_INTO_AS_LAST,
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REPLACE_ATTRIBUTE,
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REPLACE_NODE,
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REPLACE_ELEMENT_CONTENT,
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PUT
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};
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PendingUpdate(Type type, const Node::Ptr &target, const LocationInfo *info)
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: type_(type), target_(target), value_()
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{
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setLocationInfo(info);
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}
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PendingUpdate(Type type, const Node::Ptr &target, const Item::Ptr &value, const LocationInfo *info)
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: type_(type), target_(target), value_(value)
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{
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setLocationInfo(info);
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}
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PendingUpdate(Type type, const Node::Ptr &target, const Sequence &value, const LocationInfo *info)
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: type_(type), target_(target), value_(value)
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{
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setLocationInfo(info);
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}
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Type getType() const { return type_; }
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const Node::Ptr &getTarget() const { return target_; }
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const Sequence &getValue() const { return value_; }
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private:
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Type type_;
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Node::Ptr target_;
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Sequence value_;
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};
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typedef std::vector<PendingUpdate> PendingUpdates;
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/**
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* The result of an updating expression
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*/
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class XQILLA_API PendingUpdateList
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{
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public:
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typedef PendingUpdates::iterator iterator;
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typedef PendingUpdates::const_iterator const_iterator;
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PendingUpdateList() {}
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PendingUpdateList(const PendingUpdate &update) { addUpdate(update); }
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iterator begin() { return updates_.begin(); }
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const_iterator begin() const { return updates_.begin(); }
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iterator end() { return updates_.end(); }
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const_iterator end() const { return updates_.end(); }
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void addUpdate(const PendingUpdate &update);
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void mergeUpdates(const PendingUpdateList &pul);
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private:
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PendingUpdates updates_;
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};
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#endif
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