117 lines
3.8 KiB
C++
117 lines
3.8 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: Sequence.hpp,v 1.11 2008/01/08 18:47:33 jpcs Exp $
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*/
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#ifndef _SEQUENCE_HPP
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#define _SEQUENCE_HPP
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#include <vector>
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#include <xqilla/framework/XQillaExport.hpp>
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#include <xqilla/items/ATDecimalOrDerived.hpp>
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#include <xqilla/framework/XPath2MemoryManager.hpp>
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#include <xercesc/util/XMemory.hpp>
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#include <xercesc/util/PlatformUtils.hpp>
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class DynamicContext;
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typedef std::vector<Item::Ptr, XQillaAllocator<Item::Ptr> > VectorOfItems;
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/**
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* An eagerly evaluated result of a query execution.
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*/
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class XQILLA_API Sequence : public XERCES_CPP_NAMESPACE_QUALIFIER XMemory
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{
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public:
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typedef VectorOfItems::iterator iterator;
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typedef VectorOfItems::const_iterator const_iterator;
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typedef VectorOfItems::reverse_iterator reverse_iterator;
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typedef VectorOfItems::const_reverse_iterator const_reverse_iterator;
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// constructor that takes one Item
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Sequence(const Item::Ptr &item, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr =
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XERCES_CPP_NAMESPACE_QUALIFIER XMLPlatformUtils::fgMemoryManager);
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// constructor that creates a empty sequence
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Sequence(XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr =
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XERCES_CPP_NAMESPACE_QUALIFIER XMLPlatformUtils::fgMemoryManager);
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/// construct and reserve space for n elements
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Sequence(size_t n, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr =
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XERCES_CPP_NAMESPACE_QUALIFIER XMLPlatformUtils::fgMemoryManager);
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// copy constructor
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Sequence(const Sequence&, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr);
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// copy constructor
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Sequence(const Sequence&);
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Sequence &operator=(const Sequence &);
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~Sequence();
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void clear();
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const Item::Ptr &first() const;
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const Item::Ptr &second() const;
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///Begin an iterator
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Sequence::iterator begin(void);
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Sequence::const_iterator begin(void) const;
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///Find the end of the iterator
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Sequence::iterator end(void);
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Sequence::const_iterator end(void) const;
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///Reverse iterator methods
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Sequence::reverse_iterator rbegin(void);
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Sequence::const_reverse_iterator rbegin(void) const;
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Sequence::reverse_iterator rend(void);
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Sequence::const_reverse_iterator rend(void) const;
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///Returns the number of nodes in the list
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size_t getLength(void) const;
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///Return the indexth item in the collection
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const Item::Ptr &item(size_t index) const;
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///Return the indexth item in the collection - takes ATDecimalOrDerived
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const Item::Ptr &item(const ATDecimalOrDerived::Ptr &index) const;
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/// add an item to this sequence
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void addItem(const Item::Ptr &item);
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/// add an item to this sequence
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void addItemFront(const Item::Ptr &item);
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/// combine another sequence onto this sequence
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void joinSequence(const Sequence & s);
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///Returns true if the list is empty
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bool isEmpty() const;
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/// sort into document order (only works for Sequences containing only Nodes)
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void sortIntoDocumentOrder(const DynamicContext *context);
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/// sort as strings, using the given collation
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void sortWithCollation(const Collation *collation, const DynamicContext *context);
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private:
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VectorOfItems _itemList;
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};
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#endif
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