78 lines
2.2 KiB
C++
78 lines
2.2 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: VarStoreImpl.hpp,v 1.2 2007/08/16 13:08:26 jpcs Exp $
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*/
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#ifndef _VARSTOREIMPL_HPP
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#define _VARSTOREIMPL_HPP
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#include <xqilla/context/VariableStore.hpp>
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#include <xqilla/runtime/Sequence.hpp>
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#include <xqilla/runtime/ResultBuffer.hpp>
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#include <xercesc/util/StringPool.hpp>
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#include <xercesc/util/RefHash2KeysTableOf.hpp>
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class DynamicContext;
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class StaticAnalysis;
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/** Default implementation of VariableStore that stores variable values in a hash map, and
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proxies calls to a parent VariableStore if the value is not found in it's map. */
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class XQILLA_API VarStoreImpl : public VariableStore
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{
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public:
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VarStoreImpl(XPath2MemoryManager *memMgr, const VariableStore *parent = 0);
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VarStoreImpl(const StaticAnalysis &src, const VariableStore *varStore, XPath2MemoryManager *mm);
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virtual Result getVar(const XMLCh *namespaceURI, const XMLCh *name) const;
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void setVar(const XMLCh *namespaceURI, const XMLCh *name, const Result &value, unsigned int readCount = ResultBufferImpl::UNLIMITED_COUNT);
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void clear();
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void cacheVariableStore(const StaticAnalysis &src, const VariableStore *toCache);
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private:
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typedef XERCES_CPP_NAMESPACE_QUALIFIER RefHash2KeysTableOf<ResultBuffer> VariableHash;
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XERCES_CPP_NAMESPACE_QUALIFIER XMLStringPool uriPool_;
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VariableHash store_;
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const VariableStore *parent_;
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XPath2MemoryManager *mm_;
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};
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class XQILLA_API VarStoreCache : public VarStoreImpl
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{
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public:
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VarStoreCache(const StaticAnalysis &src, const VariableStore *varStore, XPath2MemoryManager *mm);
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};
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class XQILLA_API SingleVarStore : public VariableStore
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{
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public:
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SingleVarStore();
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virtual Result getVar(const XMLCh *namespaceURI, const XMLCh *name) const;
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void setAsVariableStore(const XMLCh *namespaceURI, const XMLCh *name, DynamicContext *context);
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void unsetAsVariableStore(DynamicContext *context);
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Sequence value;
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private:
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const XMLCh *uri_, *name_;
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const VariableStore *parent_;
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};
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#endif
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