/* * 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: PendingUpdateList.hpp 475 2008-01-08 18:47:44Z jpcs $ */ #ifndef _PENDINGUPDATELIST_HPP #define _PENDINGUPDATELIST_HPP #include #include #include #include class XQILLA_API PendingUpdate : public LocationInfo { public: /** * This enumeration is ordered according to the order * that the pending updates should be applied. */ enum Type { INSERT_INTO, INSERT_ATTRIBUTES, REPLACE_VALUE, RENAME, PUDELETE, INSERT_BEFORE, INSERT_AFTER, INSERT_INTO_AS_FIRST, INSERT_INTO_AS_LAST, REPLACE_ATTRIBUTE, REPLACE_NODE, REPLACE_ELEMENT_CONTENT, PUT }; PendingUpdate(Type type, const Node::Ptr &target, const LocationInfo *info) : type_(type), target_(target), value_() { setLocationInfo(info); } PendingUpdate(Type type, const Node::Ptr &target, const Item::Ptr &value, const LocationInfo *info) : type_(type), target_(target), value_(value) { setLocationInfo(info); } PendingUpdate(Type type, const Node::Ptr &target, const Sequence &value, const LocationInfo *info) : type_(type), target_(target), value_(value) { setLocationInfo(info); } Type getType() const { return type_; } const Node::Ptr &getTarget() const { return target_; } const Sequence &getValue() const { return value_; } private: Type type_; Node::Ptr target_; Sequence value_; }; typedef std::vector PendingUpdates; /** * The result of an updating expression */ class XQILLA_API PendingUpdateList { public: typedef PendingUpdates::iterator iterator; typedef PendingUpdates::const_iterator const_iterator; PendingUpdateList() {} PendingUpdateList(const PendingUpdate &update) { addUpdate(update); } iterator begin() { return updates_.begin(); } const_iterator begin() const { return updates_.begin(); } iterator end() { return updates_.end(); } const_iterator end() const { return updates_.end(); } void addUpdate(const PendingUpdate &update); void mergeUpdates(const PendingUpdateList &pul); private: PendingUpdates updates_; }; #endif