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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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: DTDGrammar.hpp 568078 2007-08-21 11:43:25Z amassari $
*/
#if !defined(DTDGRAMMAR_HPP)
#define DTDGRAMMAR_HPP
#include <xercesc/util/RefHashTableOf.hpp>
#include <xercesc/util/NameIdPool.hpp>
#include <xercesc/util/StringPool.hpp>
#include <xercesc/validators/common/Grammar.hpp>
#include <xercesc/validators/DTD/DTDElementDecl.hpp>
#include <xercesc/validators/DTD/DTDEntityDecl.hpp>
#include <xercesc/framework/XMLDTDDescription.hpp>
XERCES_CPP_NAMESPACE_BEGIN
//
// This class stores the DTD information
// NOTE: DTDs are not namespace aware, so we just use regular NameIdPool
// data structures to store element and attribute decls. They are all set
// to be in the global namespace and the full QName is used as the base name
// of the decl. This means that all the URI parameters below are expected
// to be null pointers (and anything else will cause an exception.)
//
class VALIDATORS_EXPORT DTDGrammar : public Grammar
{
public:
// -----------------------------------------------------------------------
// Constructors and Destructor
// -----------------------------------------------------------------------
DTDGrammar(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
virtual ~DTDGrammar();
// -----------------------------------------------------------------------
// Implementation of Virtual Interface
// -----------------------------------------------------------------------
virtual Grammar::GrammarType getGrammarType() const;
virtual const XMLCh* getTargetNamespace() const;
// this method should only be used while the grammar is being
// constructed, not while it is being used
// in a validation episode!
virtual XMLElementDecl* findOrAddElemDecl
(
const unsigned int uriId
, const XMLCh* const baseName
, const XMLCh* const prefixName
, const XMLCh* const qName
, unsigned int scope
, bool& wasAdded
) ;
virtual unsigned int getElemId
(
const unsigned int uriId
, const XMLCh* const baseName
, const XMLCh* const qName
, unsigned int scope
) const ;
virtual const XMLElementDecl* getElemDecl
(
const unsigned int uriId
, const XMLCh* const baseName
, const XMLCh* const qName
, unsigned int scope
) const ;
virtual XMLElementDecl* getElemDecl
(
const unsigned int uriId
, const XMLCh* const baseName
, const XMLCh* const qName
, unsigned int scope
);
virtual const XMLElementDecl* getElemDecl
(
const unsigned int elemId
) const;
virtual XMLElementDecl* getElemDecl
(
const unsigned int elemId
);
virtual const XMLNotationDecl* getNotationDecl
(
const XMLCh* const notName
) const;
virtual XMLNotationDecl* getNotationDecl
(
const XMLCh* const notName
);
virtual bool getValidated() const;
virtual XMLElementDecl* putElemDecl
(
const unsigned int uriId
, const XMLCh* const baseName
, const XMLCh* const prefixName
, const XMLCh* const qName
, unsigned int scope
, const bool notDeclared = false
);
virtual unsigned int putElemDecl
(
XMLElementDecl* const elemDecl
, const bool notDeclared = false
) ;
virtual unsigned int putNotationDecl
(
XMLNotationDecl* const notationDecl
) const;
virtual void setValidated(const bool newState);
virtual void reset();
// -----------------------------------------------------------------------
// Getter methods
// -----------------------------------------------------------------------
// deprecated. returns the ID of the root element; not
// useable in multithreaded environments!
unsigned int getRootElemId() const;
const DTDEntityDecl* getEntityDecl(const XMLCh* const entName) const;
DTDEntityDecl* getEntityDecl(const XMLCh* const entName);
NameIdPool<DTDEntityDecl>* getEntityDeclPool();
const NameIdPool<DTDEntityDecl>* getEntityDeclPool() const;
NameIdPoolEnumerator<DTDElementDecl> getElemEnumerator() const;
NameIdPoolEnumerator<DTDEntityDecl> getEntityEnumerator() const;
NameIdPoolEnumerator<XMLNotationDecl> getNotationEnumerator() const;
// -----------------------------------------------------------------------
// Setter methods
// -----------------------------------------------------------------------
// deprecated. Not usable in multithreaded environments
void setRootElemId(unsigned int rootElemId);
virtual void setGrammarDescription( XMLGrammarDescription*);
virtual XMLGrammarDescription* getGrammarDescription() const;
// -----------------------------------------------------------------------
// Content management methods
// -----------------------------------------------------------------------
unsigned int putEntityDecl(DTDEntityDecl* const entityDecl) const;
// -----------------------------------------------------------------------
// Notification that lazy data has been deleted
// -----------------------------------------------------------------------
static void reinitDfltEntities();
/***
* Support for Serialization/De-serialization
***/
DECL_XSERIALIZABLE(DTDGrammar)
private:
// -----------------------------------------------------------------------
// Private helper methods
// -----------------------------------------------------------------------
void resetEntityDeclPool();
// -----------------------------------------------------------------------
// Unimplemented constructors and operators
// -----------------------------------------------------------------------
DTDGrammar(const DTDGrammar &);
DTDGrammar& operator = (const DTDGrammar&);
// -----------------------------------------------------------------------
// Private data members
//
// fElemDeclPool
// This is the element decl pool. It contains all of the elements
// declared in the DTD (and their associated attributes.)
//
// fElemNonDeclPool
// This is the element decl pool that is is populated as new elements
// are seen in the XML document (not declared in the DTD), and they
// are given default characteristics.
//
// fEntityDeclPool
// This is a pool of EntityDecl objects, which contains all of the
// general entities that are declared in the DTD subsets, plus the
// default entities (such as &gt; &lt; ...) defined by the XML Standard.
//
// fNotationDeclPool
// This is a pool of NotationDecl objects, which contains all of the
// notations declared in the DTD subsets.
//
// fRootElemId
// The id of the root element that we found in the DOCTYPE statement.
// Its initialized to ContentModel::fgInvalidElemId, so that its
// invalid unless we have a DOCTYPE.
//
// fValidated
// Indicates if the content of the Grammar has been pre-validated
// or not. When using a cached grammar, no need for pre content
// validation.
//
// fGramDesc: adopted
//
// -----------------------------------------------------------------------
static NameIdPool<DTDEntityDecl>* fDefaultEntities;
MemoryManager* fMemoryManager;
NameIdPool<DTDElementDecl>* fElemDeclPool;
NameIdPool<DTDElementDecl>* fElemNonDeclPool;
NameIdPool<DTDEntityDecl>* fEntityDeclPool;
NameIdPool<XMLNotationDecl>* fNotationDeclPool;
XMLDTDDescription* fGramDesc;
unsigned int fRootElemId;
bool fValidated;
friend class XMLInitializer;
};
// ---------------------------------------------------------------------------
// DTDGrammar: Getter methods
// ---------------------------------------------------------------------------
inline unsigned int DTDGrammar::getRootElemId() const
{
return fRootElemId;
}
// ---------------------------------------------------------------------------
// DTDGrammar: Getter methods
// ---------------------------------------------------------------------------
inline NameIdPoolEnumerator<DTDElementDecl>
DTDGrammar::getElemEnumerator() const
{
return NameIdPoolEnumerator<DTDElementDecl>(fElemDeclPool, fMemoryManager);
}
inline NameIdPoolEnumerator<DTDEntityDecl>
DTDGrammar::getEntityEnumerator() const
{
return NameIdPoolEnumerator<DTDEntityDecl>(fEntityDeclPool, fMemoryManager);
}
inline NameIdPoolEnumerator<XMLNotationDecl>
DTDGrammar::getNotationEnumerator() const
{
return NameIdPoolEnumerator<XMLNotationDecl>(fNotationDeclPool, fMemoryManager);
}
inline const DTDEntityDecl*
DTDGrammar::getEntityDecl(const XMLCh* const entName) const
{
DTDEntityDecl* decl = fDefaultEntities->getByKey(entName);
if (!decl)
return fEntityDeclPool->getByKey(entName);
return decl;
}
inline DTDEntityDecl* DTDGrammar::getEntityDecl(const XMLCh* const entName)
{
DTDEntityDecl* decl = fDefaultEntities->getByKey(entName);
if (!decl)
return fEntityDeclPool->getByKey(entName);
return decl;
}
inline NameIdPool<DTDEntityDecl>* DTDGrammar::getEntityDeclPool()
{
return fEntityDeclPool;
}
inline const NameIdPool<DTDEntityDecl>* DTDGrammar::getEntityDeclPool() const
{
return fEntityDeclPool;
}
// -----------------------------------------------------------------------
// Setter methods
// -----------------------------------------------------------------------
inline void DTDGrammar::setRootElemId(unsigned int rootElemId) {
fRootElemId = rootElemId;
}
inline unsigned int DTDGrammar::putEntityDecl(DTDEntityDecl* const entityDecl) const
{
return fEntityDeclPool->put(entityDecl);
}
// ---------------------------------------------------------------------------
// DTDGrammar: Virtual methods
// ---------------------------------------------------------------------------
inline Grammar::GrammarType DTDGrammar::getGrammarType() const {
return Grammar::DTDGrammarType;
}
inline const XMLCh* DTDGrammar::getTargetNamespace() const {
return XMLUni::fgZeroLenString;
}
// Element Decl
inline unsigned int DTDGrammar::getElemId (const unsigned int
, const XMLCh* const
, const XMLCh* const qName
, unsigned int) const
{
//
// In this case, we don't return zero to mean 'not found', so we have to
// map it to the official not found value if we don't find it.
//
const DTDElementDecl* decl = fElemDeclPool->getByKey(qName);
if (!decl)
return XMLElementDecl::fgInvalidElemId;
return decl->getId();
}
inline const XMLElementDecl* DTDGrammar::getElemDecl( const unsigned int
, const XMLCh* const
, const XMLCh* const qName
, unsigned int) const
{
const XMLElementDecl* elemDecl = fElemDeclPool->getByKey(qName);
if (!elemDecl && fElemNonDeclPool)
elemDecl = fElemNonDeclPool->getByKey(qName);
return elemDecl;
}
inline XMLElementDecl* DTDGrammar::getElemDecl (const unsigned int
, const XMLCh* const
, const XMLCh* const qName
, unsigned int)
{
XMLElementDecl* elemDecl = fElemDeclPool->getByKey(qName);
if (!elemDecl && fElemNonDeclPool)
elemDecl = fElemNonDeclPool->getByKey(qName);
return elemDecl;
}
inline const XMLElementDecl* DTDGrammar::getElemDecl(const unsigned int elemId) const
{
// Look up this element decl by id
return fElemDeclPool->getById(elemId);
}
inline XMLElementDecl* DTDGrammar::getElemDecl(const unsigned int elemId)
{
// Look up this element decl by id
return fElemDeclPool->getById(elemId);
}
inline unsigned int
DTDGrammar::putElemDecl(XMLElementDecl* const elemDecl,
const bool notDeclared)
{
if (notDeclared)
{
if(!fElemNonDeclPool)
fElemNonDeclPool = new (fMemoryManager) NameIdPool<DTDElementDecl>(29, 128, fMemoryManager);
return fElemNonDeclPool->put((DTDElementDecl*) elemDecl);
}
return fElemDeclPool->put((DTDElementDecl*) elemDecl);
}
// Notation Decl
inline const XMLNotationDecl* DTDGrammar::getNotationDecl(const XMLCh* const notName) const
{
return fNotationDeclPool->getByKey(notName);
}
inline XMLNotationDecl* DTDGrammar::getNotationDecl(const XMLCh* const notName)
{
return fNotationDeclPool->getByKey(notName);
}
inline unsigned int DTDGrammar::putNotationDecl(XMLNotationDecl* const notationDecl) const
{
return fNotationDeclPool->put(notationDecl);
}
inline bool DTDGrammar::getValidated() const
{
return fValidated;
}
inline void DTDGrammar::setValidated(const bool newState)
{
fValidated = newState;
}
XERCES_CPP_NAMESPACE_END
#endif