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XMLElementDecl.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  * Copyright (c) 1999-2001 The Apache Software Foundation.  All rights
00005  * reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions
00009  * are met:
00010  *
00011  * 1. Redistributions of source code must retain the above copyright
00012  *    notice, this list of conditions and the following disclaimer.
00013  *
00014  * 2. Redistributions in binary form must reproduce the above copyright
00015  *    notice, this list of conditions and the following disclaimer in
00016  *    the documentation and/or other materials provided with the
00017  *    distribution.
00018  *
00019  * 3. The end-user documentation included with the redistribution,
00020  *    if any, must include the following acknowledgment:
00021  *       "This product includes software developed by the
00022  *        Apache Software Foundation (http://www.apache.org/)."
00023  *    Alternately, this acknowledgment may appear in the software itself,
00024  *    if and wherever such third-party acknowledgments normally appear.
00025  *
00026  * 4. The names "Xerces" and "Apache Software Foundation" must
00027  *    not be used to endorse or promote products derived from this
00028  *    software without prior written permission. For written
00029  *    permission, please contact apache\@apache.org.
00030  *
00031  * 5. Products derived from this software may not be called "Apache",
00032  *    nor may "Apache" appear in their name, without prior written
00033  *    permission of the Apache Software Foundation.
00034  *
00035  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00036  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00037  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00038  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
00039  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00040  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00041  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
00042  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00043  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00044  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
00045  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00046  * SUCH DAMAGE.
00047  * ====================================================================
00048  *
00049  * This software consists of voluntary contributions made by many
00050  * individuals on behalf of the Apache Software Foundation, and was
00051  * originally based on software copyright (c) 1999, International
00052  * Business Machines, Inc., http://www.ibm.com .  For more information
00053  * on the Apache Software Foundation, please see
00054  * <http://www.apache.org/>.
00055  */
00056 
00057 /*
00058  * $Log: XMLElementDecl.hpp,v $
00059  * Revision 1.4  2003/01/29 19:45:35  gareth
00060  * added api for DOMTypeInfo
00061  *
00062  * Revision 1.3  2002/11/04 15:00:21  tng
00063  * C++ Namespace Support.
00064  *
00065  * Revision 1.2  2002/08/20 16:55:33  tng
00066  * [Bug 6251] Info during compilation.
00067  *
00068  * Revision 1.1.1.1  2002/02/01 22:21:51  peiyongz
00069  * sane_include
00070  *
00071  * Revision 1.18  2001/08/21 16:06:10  tng
00072  * Schema: Unique Particle Attribution Constraint Checking.
00073  *
00074  * Revision 1.17  2001/07/24 18:30:47  knoaman
00075  * Added support for <group> + extra constraint checking for complexType
00076  *
00077  * Revision 1.16  2001/06/21 14:25:28  knoaman
00078  * Fix for bug 1946
00079  *
00080  * Revision 1.15  2001/05/11 13:25:32  tng
00081  * Copyright update.
00082  *
00083  * Revision 1.14  2001/05/03 20:34:22  tng
00084  * Schema: SchemaValidator update
00085  *
00086  * Revision 1.13  2001/04/19 18:16:52  tng
00087  * Schema: SchemaValidator update, and use QName in Content Model
00088  *
00089  * Revision 1.12  2001/03/21 21:56:02  tng
00090  * Schema: Add Schema Grammar, Schema Validator, and split the DTDValidator into DTDValidator, DTDScanner, and DTDGrammar.
00091  *
00092  * Revision 1.11  2001/03/21 19:29:29  tng
00093  * Schema: Content Model Updates, by Pei Yong Zhang.
00094  *
00095  * Revision 1.10  2001/02/26 19:29:13  tng
00096  * Schema: add virtual method getURI(), getContentSpec and setContenSpec in XMLElementDecl, and DTDElementDecl.
00097  *
00098  * Revision 1.9  2001/02/26 19:21:30  tng
00099  * Schema: add parameter prefix in findElem and findAttr.
00100  *
00101  * Revision 1.8  2000/12/14 18:49:57  tng
00102  * Fix API document generation warning: "Warning: end of member group without matching begin"
00103  *
00104  * Revision 1.7  2000/11/30 18:22:38  andyh
00105  * reuseValidator - fix bugs (spurious errors) that occured on reuse due to
00106  * pools already containing some items.  Fixed by Tinny Ng.
00107  *
00108  * Revision 1.6  2000/05/11 23:11:32  andyh
00109  * Add missing validity checks for stand-alone documents, character range
00110  * and Well-formed parsed entities.  Changes contributed by Sean MacRoibeaird
00111  * <sean.Macroibeaird@ireland.sun.com>
00112  *
00113  * Revision 1.5  2000/02/24 20:00:23  abagchi
00114  * Swat for removing Log from API docs
00115  *
00116  * Revision 1.4  2000/02/16 19:48:56  roddey
00117  * More documentation updates
00118  *
00119  * Revision 1.3  2000/02/15 01:21:30  roddey
00120  * Some initial documentation improvements. More to come...
00121  *
00122  * Revision 1.2  2000/02/06 07:47:48  rahulj
00123  * Year 2K copyright swat.
00124  *
00125  * Revision 1.1.1.1  1999/11/09 01:08:32  twl
00126  * Initial checkin
00127  *
00128  * Revision 1.2  1999/11/08 20:44:38  rahul
00129  * Swat for adding in Product name and CVS comment log variable.
00130  *
00131  */
00132 
00133 #if !defined(XMLELEMENTDECL_HPP)
00134 #define XMLELEMENTDECL_HPP
00135 
00136 #include <xercesc/util/XMLString.hpp>
00137 #include <xercesc/framework/XMLAttr.hpp>
00138 #include <xercesc/framework/XMLAttDefList.hpp>
00139 
00140 XERCES_CPP_NAMESPACE_BEGIN
00141 
00142 class ContentSpecNode;
00143 class XMLContentModel;
00144 
00160 class  XMLElementDecl
00161 {
00162  public:
00163     // -----------------------------------------------------------------------
00164     //  Class specific types
00165     //
00166     //  CreateReasons
00167     //      This type is used to store how an element declaration got into
00168     //      the grammar's element pool. They are faulted in for various
00169     //      reasons.
00170     //
00171     //  LookupOpts
00172     //      These are the values used by the attribute lookup methods.
00173     //
00174     //  CharDataOpts
00175     //      This is used to indicate how this type of element reacts to
00176     //      character data as content.
00177     // -----------------------------------------------------------------------
00178     enum CreateReasons
00179     {
00180         NoReason
00181         , Declared
00182         , AttList
00183         , InContentModel
00184         , AsRootElem
00185         , JustFaultIn
00186     };
00187 
00188     enum LookupOpts
00189     {
00190         AddIfNotFound
00191         , FailIfNotFound
00192     };
00193 
00194     enum CharDataOpts
00195     {
00196         NoCharData
00197         , SpacesOk
00198         , AllCharData
00199     };
00200 
00201 
00202     // -----------------------------------------------------------------------
00203     //  Public static data
00204     //
00205     //  fgInvalidElemId
00206     //      A value to represent an invalid element node id.
00207     //
00208     //  fgPCDataElemId
00209     //      This is the value to use to represent a PCDATA node when an
00210     //      element id is required.
00211     //
00212     //  fgPCDataElemName
00213     //      This is the value to use to represent a PCDATA node when an
00214     //      element name is required.
00215     // -----------------------------------------------------------------------
00216     static const unsigned int   fgInvalidElemId;
00217     static const unsigned int   fgPCDataElemId;
00218     static const XMLCh          fgPCDataElemName[];
00219 
00220 
00221 
00222     // -----------------------------------------------------------------------
00223     //  Destructor
00224     // -----------------------------------------------------------------------
00227     virtual ~XMLElementDecl();
00229 
00230 
00231     // -----------------------------------------------------------------------
00232     //  The virtual element decl interface
00233     // -----------------------------------------------------------------------
00234 
00237 
00266     virtual XMLAttDef* findAttr
00267     (
00268         const   XMLCh* const    qName
00269         , const unsigned int    uriId
00270         , const XMLCh* const    baseName
00271         , const XMLCh* const    prefix
00272         , const LookupOpts      options
00273         ,       bool&           wasAdded
00274     )   const = 0;
00275 
00287     virtual XMLAttDefList& getAttDefList() const = 0;
00288 
00296     virtual CharDataOpts getCharDataOpts() const = 0;
00297 
00304     virtual bool hasAttDefs() const = 0;
00305 
00313     virtual bool resetDefs() = 0;
00314 
00322     virtual const ContentSpecNode* getContentSpec() const = 0;
00323 
00329     virtual ContentSpecNode* getContentSpec() = 0;
00330 
00340     virtual void setContentSpec(ContentSpecNode* toAdopt) = 0;
00341 
00353     virtual XMLContentModel* getContentModel() = 0;
00354 
00366     virtual void setContentModel(XMLContentModel* const newModelToAdopt) = 0;
00367 
00380     virtual const XMLCh* getFormattedContentModel ()   const = 0;
00381 
00383 
00384 
00385     // -----------------------------------------------------------------------
00386     //  Getter methods
00387     // -----------------------------------------------------------------------
00388 
00391 
00399     const XMLCh* getBaseName() const;
00400     XMLCh* getBaseName();
00401 
00408     unsigned int getURI() const;
00409 
00417     const QName* getElementName() const;
00418     QName* getElementName();
00419 
00428     const XMLCh* getFullName() const;
00429 
00441     CreateReasons getCreateReason() const;
00442 
00452     unsigned int getId() const;
00453 
00454 
00458     virtual const XMLCh* getDOMTypeInfoUri() const = 0;
00459 
00463     virtual const XMLCh* getDOMTypeInfoName() const = 0;
00464 
00465 
00475     bool isDeclared() const;
00476 
00485     bool isExternal() const;
00486 
00488 
00489 
00490     // -----------------------------------------------------------------------
00491     //  Setter methods
00492     // -----------------------------------------------------------------------
00493 
00496 
00507       void setElementName(const XMLCh* const       prefix
00508                         , const XMLCh* const       localPart
00509                         , const int                uriId );
00510 
00520       void setElementName(const XMLCh* const    rawName
00521                         , const int             uriId );
00522 
00531       void setElementName(const QName* const    elementName);
00532 
00543     void setCreateReason(const CreateReasons newReason);
00544 
00551     void setId(const unsigned int newId);
00552 
00553 
00557     void setExternalElemDeclaration(const bool aValue);
00558 
00560 
00561 
00562     // -----------------------------------------------------------------------
00563     //  Miscellaneous methods
00564     // -----------------------------------------------------------------------
00565 
00568 
00570 
00571 
00572 protected :
00573     // -----------------------------------------------------------------------
00574     //  Hidden constructors
00575     // -----------------------------------------------------------------------
00576     XMLElementDecl();
00577 
00578 private :
00579     // -----------------------------------------------------------------------
00580     //  Unimplemented constructors and operators
00581     // -----------------------------------------------------------------------
00582     XMLElementDecl(const XMLElementDecl&);
00583     void operator=(const XMLElementDecl&);
00584 
00585 
00586     // -----------------------------------------------------------------------
00587     //  Data members
00588     //
00589     //  fElementName
00590     //      This is the name of the element decl.
00591     //
00592     //  fCreateReason
00593     //      We sometimes have to put an element decl object into the elem
00594     //      decl pool before the element's declaration is seen, such as when
00595     //      its used in another element's content model or an att list is
00596     //      seen for it. This flag tells us whether its been declared, and
00597     //      if not why it had to be created.
00598     //
00599     //  fId
00600     //      The unique id of this element. This is created by the derived
00601     //      class, or more accurately the grammar that owns the objects
00602     //      of the derived types. But, since they all have to have them, we
00603     //      let them all store the id here. It is defaulted to have the
00604     //      value fgInvalidElem until explicitly set.
00605     //
00606     //  fExternalElement
00607     //      This flag indicates whether or the element was declared externally.
00608     // -----------------------------------------------------------------------
00609     QName*              fElementName;
00610     CreateReasons       fCreateReason;
00611     unsigned int        fId;
00612     bool                fExternalElement;
00613 };
00614 
00615 
00616 // ---------------------------------------------------------------------------
00617 //  XMLElementDecl: Getter methods
00618 // ---------------------------------------------------------------------------
00619 inline const XMLCh* XMLElementDecl::getBaseName() const
00620 {
00621     return fElementName->getLocalPart();
00622 }
00623 
00624 inline XMLCh* XMLElementDecl::getBaseName()
00625 {
00626     return fElementName->getLocalPart();
00627 }
00628 
00629 inline unsigned int XMLElementDecl::getURI() const
00630 {
00631     return fElementName->getURI();
00632 }
00633 
00634 inline const QName* XMLElementDecl::getElementName() const
00635 {
00636     return fElementName;
00637 }
00638 
00639 inline QName* XMLElementDecl::getElementName()
00640 {
00641     return fElementName;
00642 }
00643 
00644 inline const XMLCh* XMLElementDecl::getFullName() const
00645 {
00646     return fElementName->getRawName();
00647 }
00648 
00649 inline XMLElementDecl::CreateReasons XMLElementDecl::getCreateReason() const
00650 {
00651     return fCreateReason;
00652 }
00653 
00654 inline unsigned int XMLElementDecl::getId() const
00655 {
00656     return fId;
00657 }
00658 
00659 inline bool XMLElementDecl::isDeclared() const
00660 {
00661     return (fCreateReason == Declared);
00662 }
00663 
00664 
00665 inline bool XMLElementDecl::isExternal() const
00666 {
00667     return fExternalElement;
00668 }
00669 
00670 
00671 // ---------------------------------------------------------------------------
00672 //  XMLElementDecl: Setter methods
00673 // ---------------------------------------------------------------------------
00674 inline void
00675 XMLElementDecl::setCreateReason(const XMLElementDecl::CreateReasons newReason)
00676 {
00677     fCreateReason = newReason;
00678 }
00679 
00680 inline void XMLElementDecl::setId(const unsigned int newId)
00681 {
00682     fId = newId;
00683 }
00684 
00685 
00686 inline void XMLElementDecl::setExternalElemDeclaration(const bool aValue)
00687 {
00688     fExternalElement = aValue;
00689 }
00690 
00691 XERCES_CPP_NAMESPACE_END
00692 
00693 #endif


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