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XObjectFactoryDefault.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 1999 The Apache Software Foundation.  All rights 
00006  * reserved.
00007  *
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions
00010  * are met:
00011  *
00012  * 1. Redistributions of source code must retain the above copyright
00013  *    notice, this list of conditions and the following disclaimer. 
00014  *
00015  * 2. Redistributions in binary form must reproduce the above copyright
00016  *    notice, this list of conditions and the following disclaimer in
00017  *    the documentation and/or other materials provided with the
00018  *    distribution.
00019  *
00020  * 3. The end-user documentation included with the redistribution,
00021  *    if any, must include the following acknowledgment:  
00022  *       "This product includes software developed by the
00023  *        Apache Software Foundation (http://www.apache.org/)."
00024  *    Alternately, this acknowledgment may appear in the software itself,
00025  *    if and wherever such third-party acknowledgments normally appear.
00026  *
00027  * 4. The names "Xalan" and "Apache Software Foundation" must
00028  *    not be used to endorse or promote products derived from this
00029  *    software without prior written permission. For written 
00030  *    permission, please contact apache@apache.org.
00031  *
00032  * 5. Products derived from this software may not be called "Apache",
00033  *    nor may "Apache" appear in their name, without prior written
00034  *    permission of the Apache Software Foundation.
00035  *
00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00037  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00038  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00039  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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00046  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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00048  * ====================================================================
00049  *
00050  * This software consists of voluntary contributions made by many
00051  * individuals on behalf of the Apache Software Foundation and was
00052  * originally based on software copyright (c) 1999, International
00053  * Business Machines, Inc., http://www.ibm.com.  For more
00054  * information on the Apache Software Foundation, please see
00055  * <http://www.apache.org/>.
00056  */
00057 #if !defined(XOBJECTFACTORYDEFAULT_HEADER_GUARD_1357924680)
00058 #define XOBJECTFACTORYDEFAULT_HEADER_GUARD_1357924680
00059 
00060 
00061 
00062 // Base include file.  Must be first.
00063 #include <XPath/XPathDefinitions.hpp>
00064 
00065 
00066 
00067 #include <set>
00068 #include <vector>
00069 
00070 
00071 
00072 // Base class header file...
00073 #include <XPath/XObjectFactory.hpp>
00074 
00075 
00076 
00077 #include <XPath/XNodeSetAllocator.hpp>
00078 #include <XPath/XNumberAllocator.hpp>
00079 #include <XPath/XResultTreeFragAllocator.hpp>
00080 #include <XPath/XStringAllocator.hpp>
00081 #include <XPath/XStringAdapterAllocator.hpp>
00082 #include <XPath/XStringCachedAllocator.hpp>
00083 #include <XPath/XStringReferenceAllocator.hpp>
00084 #include <XPath/XTokenNumberAdapterAllocator.hpp>
00085 #include <XPath/XTokenStringAdapterAllocator.hpp>
00086 
00087 
00088 
00089 #if defined(XALAN_AUTO_PTR_REQUIRES_DEFINITION)
00090 #include <XPath/XNull.hpp>
00091 #include <XPath/XBoolean.hpp>
00092 #endif
00093 
00094 
00095 
00096 #include <Include/XalanAutoPtr.hpp>
00097 
00098 
00099 
00100 class XBoolean;
00101 class XNull;
00102 class XNumber;
00103 
00104 
00105 
00109 class XALAN_XPATH_EXPORT XObjectFactoryDefault : public XObjectFactory
00110 {
00111 public:
00112 
00113     // Default block size for strings.
00114     enum
00115     {
00116         eDefaultXStringBlockSize = 10,
00117         eDefaultXNumberBlockSize = 10,
00118         eDefaultXNodeSetBlockSize = 10,
00119         eDefaultXResultTreeFragBlockSize = 10,
00120         eXNumberCacheMax = 40,
00121         eXNodeSetCacheMax = 40,
00122         eXResultTreeFragCacheMax = 40
00123     };
00124     
00132     explicit
00133     XObjectFactoryDefault(
00134             unsigned int        theXStringBlockSize = eDefaultXStringBlockSize,
00135             unsigned int        theXNumberBlockSize = eDefaultXNumberBlockSize,
00136             unsigned int        theXNodeSetBlockSize = eDefaultXNodeSetBlockSize,
00137             unsigned int        theXResultTreeFragBlockSize = eDefaultXResultTreeFragBlockSize); 
00138 
00139     virtual
00140     ~XObjectFactoryDefault();
00141 
00142     // These methods are inherited from XObjectFactory ...
00143 
00144     virtual void
00145     reset();
00146 
00147     virtual const XObjectPtr
00148     createBoolean(bool  theValue);
00149 
00150     virtual const XObjectPtr
00151     createNodeSet(BorrowReturnMutableNodeRefList&   theValue);
00152 
00153     virtual const XObjectPtr
00154     createNull();
00155 
00156     virtual const XObjectPtr
00157     createNumber(double     theValue);
00158 
00159     virtual const XObjectPtr
00160     createNumber(const XToken&  theValue);
00161 
00162     virtual const XObjectPtr
00163     createString(const XalanDOMString&  theValue);
00164 
00165     virtual const XObjectPtr
00166     createString(const XalanDOMChar*    theValue);
00167 
00168     virtual const XObjectPtr
00169     createString(
00170             const XalanDOMChar*     theValue,
00171             unsigned int            theLength);
00172 
00173     virtual const XObjectPtr
00174     createString(const XToken&  theValue);
00175 
00176     virtual const XObjectPtr
00177     createStringReference(const XalanDOMString&     theValue);
00178 
00179     virtual const XObjectPtr
00180     createStringAdapter(const XObjectPtr&   theValue);
00181 
00182     virtual const XObjectPtr
00183     createString(GetAndReleaseCachedString&     theValue);
00184 
00185     virtual const XObjectPtr
00186     createUnknown(
00187             const XalanDOMString&   theValue);
00188 
00189     virtual const XObjectPtr
00190     createResultTreeFrag(BorrowReturnResultTreeFrag&    theValue);
00191 
00192     virtual const XObjectPtr
00193     createSpan(BorrowReturnMutableNodeRefList&  theValue);
00194 
00195 #if defined(XALAN_NO_NAMESPACES)
00196     typedef vector<XObject*>            XObjectCollectionType;
00197     typedef vector<XNumber*>            XNumberCacheType;
00198     typedef vector<XNodeSet*>           XNodeSetCacheType;
00199     typedef vector<XResultTreeFrag*>    XResultTreeFragCacheType;
00200 #else
00201     typedef std::vector<XObject*>           XObjectCollectionType;
00202     typedef std::vector<XNumber*>           XNumberCacheType;
00203     typedef std::vector<XNodeSet*>          XNodeSetCacheType;
00204     typedef std::vector<XResultTreeFrag*>   XResultTreeFragCacheType;
00205 #endif
00206 
00207 protected:
00208 
00209     virtual bool
00210     doReturnObject(
00211             XObject*    theXObject,
00212             bool        fInReset = false);
00213 
00214 private:
00215 
00216     // Not implemented...
00217     XObjectFactoryDefault(const XObjectFactoryDefault&);
00218 
00219     XObjectFactoryDefault&
00220     operator=(const XObjectFactoryDefault&);
00221 
00222     bool
00223     operator==(const XObjectFactoryDefault&) const;
00224 
00225 
00226     // Data members...
00227 
00228     // This one's first, since it may be be holding references
00229     // to objects in other allocators.
00230     XStringAdapterAllocator         m_xstringAdapterAllocator;
00231 
00232     XStringAllocator                m_xstringAllocator;
00233 
00234     XStringCachedAllocator          m_xstringCachedAllocator;
00235 
00236     XStringReferenceAllocator       m_xstringReferenceAllocator;
00237 
00238     XNumberAllocator                m_xnumberAllocator;
00239 
00240     XNodeSetAllocator               m_xnodesetAllocator;
00241 
00242     XResultTreeFragAllocator        m_xresultTreeFragAllocator;
00243 
00244     XTokenNumberAdapterAllocator    m_xtokenNumberAdapterAllocator;
00245 
00246     XTokenStringAdapterAllocator    m_xtokenStringAdapterAllocator;
00247 
00248     XObjectCollectionType           m_xobjects;
00249 
00250     XNumberCacheType                m_xnumberCache;
00251 
00252     XNodeSetCacheType               m_xnodesetCache;
00253 
00254     XResultTreeFragCacheType        m_xresultTreeFragCache;
00255 
00256     const XalanAutoPtr<XNull>       m_XNull;
00257 
00258     const XalanAutoPtr<XBoolean>    m_xbooleanFalse;
00259 
00260     const XalanAutoPtr<XBoolean>    m_xbooleanTrue;
00261 };
00262 
00263 
00264 
00265 #endif  // XOBJECTFACTORYDEFAULT_HEADER_GUARD_1357924680

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