79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/*
|
|
* 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: VarStoreImpl.hpp 475 2008-01-08 18:47:44Z jpcs $
|
|
*/
|
|
|
|
#ifndef _VARSTOREIMPL_HPP
|
|
#define _VARSTOREIMPL_HPP
|
|
|
|
#include <xqilla/context/VariableStore.hpp>
|
|
#include <xqilla/runtime/Sequence.hpp>
|
|
#include <xqilla/runtime/ResultBuffer.hpp>
|
|
|
|
#include <xercesc/util/StringPool.hpp>
|
|
#include <xercesc/util/RefHash2KeysTableOf.hpp>
|
|
|
|
class DynamicContext;
|
|
class StaticAnalysis;
|
|
|
|
/** Default implementation of VariableStore that stores variable values in a hash map, and
|
|
proxies calls to a parent VariableStore if the value is not found in it's map. */
|
|
class XQILLA_API VarStoreImpl : public VariableStore
|
|
{
|
|
public:
|
|
VarStoreImpl(XPath2MemoryManager *memMgr, const VariableStore *parent = 0);
|
|
VarStoreImpl(const StaticAnalysis &src, const VariableStore *varStore, XPath2MemoryManager *mm);
|
|
|
|
virtual Result getVar(const XMLCh *namespaceURI, const XMLCh *name) const;
|
|
void setVar(const XMLCh *namespaceURI, const XMLCh *name, const Result &value, unsigned int readCount = ResultBufferImpl::UNLIMITED_COUNT);
|
|
void clear();
|
|
|
|
void cacheVariableStore(const StaticAnalysis &src, const VariableStore *toCache);
|
|
|
|
private:
|
|
typedef XERCES_CPP_NAMESPACE_QUALIFIER RefHash2KeysTableOf<ResultBuffer> VariableHash;
|
|
|
|
XERCES_CPP_NAMESPACE_QUALIFIER XMLStringPool uriPool_;
|
|
VariableHash store_;
|
|
|
|
const VariableStore *parent_;
|
|
XPath2MemoryManager *mm_;
|
|
};
|
|
|
|
class XQILLA_API SingleVarStore : public VariableStore
|
|
{
|
|
public:
|
|
SingleVarStore();
|
|
|
|
virtual Result getVar(const XMLCh *namespaceURI, const XMLCh *name) const;
|
|
|
|
void setAsVariableStore(const XMLCh *namespaceURI, const XMLCh *name, DynamicContext *context);
|
|
void unsetAsVariableStore(DynamicContext *context);
|
|
|
|
Sequence value;
|
|
|
|
private:
|
|
const XMLCh *uri_, *name_;
|
|
const VariableStore *parent_;
|
|
};
|
|
|
|
#endif
|
|
|
|
|
|
|