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dbobjgetstatement.hpp

Go to the documentation of this file.

#if !defined(_DBOBJGETSTATEMENT_HPP)
#define _DBOBJGETSTATEMENT_HPP
//============================================================================= 
//
// XDFLengine library
//
//----------------------------------------------------------------------------- 
//  DBOBJGETSTATEMENT.HPP
//----------------------------------------------------------------------------- 
//_____________________________________________________________________________
//
//  Copyright (C) 2003 Guillaume Baurand. All Rights Reserved.
//
//  This file is part of the XDFLengine project.
//
//  The XDFLengine is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
//  USA.
//
//  For more information, 
//      contact  : guillaume@baurand.net 
//      or visit : http://xdflengine.sourceforge.net
//
//=============================================================================

#   include "config/commonincs.hpp"
#   include "processor/xmlflowcontext.hpp"
#   include "streamers/db/dbobject/dbobjdefinition.hpp"

BEGIN_XDFLENGINE_NS




//============================================================================= 
//  STRUCT DBOBJGETSTATEMENTCLAUSE
//----------------------------------------------------------------------------- 
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
typedef struct _DBOBJGetStatementClause
{
        const DBOBJDefinitionField*   m_pFieldDefinition;   
        unsigned int            m_uiType;           
        char*                   m_pszOp;            
        char*                   m_pszValue;         
} DBOBJGetStatementClause;
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//=============================================================================





//============================================================================= 
//  CLASS DBOBJGETSTATEMENTNODE
//----------------------------------------------------------------------------- 
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class XDFLENGINE_EXPORT DBOBJGetStatementNode
{
    private: //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        char*                               m_pszName;                  
        const DBOBJDefinitionNode*              m_pDBObjectNodeDefinition;  
        DBOBJGetStatementNode*              m_pSAXStatementParent;      
        VAarray<DBOBJGetStatementNode*>     m_vaChildren;               
        VAarray<DBOBJGetStatementClause*>   m_vaFilters;                
        VAarray<DBOBJGetStatementClause*>   m_vaOrders;             


    public: //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    // CONTRUCTOR & DESTRUCTOR

        //_____________________________________________________________________
        //  DBOBJGETSTATEMENTNODE
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
         DBOBJGetStatementNode( const DBOBJDefinitionNode* p_pDBOBJDefNode);

        //_____________________________________________________________________
        //  ~DBOBJGETSTATEMENTNODE
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
         ~DBOBJGetStatementNode();

    // SETTERS

        //_____________________________________________________________________
        //  SETPARENT
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        void setParent( DBOBJGetStatementNode* p_pDBOBJParentStmtNode);

    // GETTERS

        //_____________________________________________________________________
        //  GETNAME
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        const char* getName() const;

        //_____________________________________________________________________
        //  GETDEFINITION
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        const DBOBJDefinitionNode* getDefinition() const;

        //_____________________________________________________________________
        //  GETPARENT
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        DBOBJGetStatementNode* getParent() const;

    // CHILD NODES

        //_____________________________________________________________________
        //  APPENDCHILD
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        void appendChild( DBOBJGetStatementNode* p_pSAXStatementChild);

        //_____________________________________________________________________
        //  GETCHILDNODESCOUNT
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        unsigned int getChildNodesCount() const;

        //_____________________________________________________________________
        //  GETCHILDNODE
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        DBOBJGetStatementNode* getChildNode( unsigned int p_uiIndex) const;
        
        //_____________________________________________________________________
        //  GETCHILDNODE
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        DBOBJGetStatementNode* getChildNode( const char* p_pszName, unsigned int p_uiIndex=0) const;

    // FILTERS

        //_____________________________________________________________________
        //  APPENDFILTER
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        void appendFilter( DBOBJGetStatementClause* p_pDBOBJGetStatementClause);

        //_____________________________________________________________________
        //  GETFILTERSCOUNT
        //---------------------------------------------------------------------
        // !@return (int) Number of filter of this node.
        //_____________________________________________________________________ 
        unsigned int getFiltersCount() const;

        //_____________________________________________________________________
        //  GETFILTER
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        DBOBJGetStatementClause* getFilter( unsigned int p_uiIndex) const;

        //_____________________________________________________________________
        //  GETFILTER
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        DBOBJGetStatementClause* getFilter(const char* p_pszName, unsigned int p_uiIndex) const;

    // ORDERS

        //_____________________________________________________________________
        //  APPENDORDER
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        void appendOrder( DBOBJGetStatementClause* p_pDBOBJGetStatementClause);     

        //_____________________________________________________________________
        //  GETORDERSCOUNT
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        unsigned int getOrdersCount() const;

        //_____________________________________________________________________
        //  GETORDER
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        DBOBJGetStatementClause* getOrder( unsigned int p_uiIndex) const;

        //_____________________________________________________________________
        //  GETORDER
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        DBOBJGetStatementClause* getOrder(const char* p_pszName, unsigned int p_uiIndex) const;


    private: //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        //_____________________________________________________________________
        //  DELETETREE
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        void deleteTree();   

};
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//=============================================================================







//============================================================================= 
//  CLASS DBOBJGETSTATEMENTSAXBUILDER
//----------------------------------------------------------------------------- 
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class XDFLENGINE_EXPORT DBOBJGetStatementSAXBuilder : public ContentHandler
{

    private: //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        VAarray< DBOBJGetStatementNode* >   m_vaNodes;              
        const DBOBJDefinitionNode*          m_pSAXDB_objectDef;     
        DBOBJGetStatementClause*            m_pSAXDB_curClause;     
        DBOBJGetStatementNode*              m_pSAXDB_StatementRoot; 
        XMLFlowContext*                     m_pContext;             // Parsing context


    public: //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    // STATIC

        //_____________________________________________________________________
        //  BUILDDBOBJGETSTATEMENT
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        static DBOBJGetStatementNode* buildDBOBJGetStatement(XMLFlowContext* p_pContext, XMLStreamProvider* p_pInput,const DBOBJDefinitionNode* p_pDBOBJDefNode );

    // CONSTRUCTOR & DESTRUCTOR

        //_____________________________________________________________________
        //  DBOBJGETSTATEMENTSAXBUILDER
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        DBOBJGetStatementSAXBuilder(XMLFlowContext* p_pContext, const DBOBJDefinitionNode* p_pDBOBJDefNode);

        //_____________________________________________________________________
        //  ~DBOBJGETSTATEMENTSAXBUILDER
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        ~DBOBJGetStatementSAXBuilder();


    // GETTERS

        //_____________________________________________________________________
        //  DBOBJGETSTATEMENTNODE
        //---------------------------------------------------------------------
        //_____________________________________________________________________ 
        DBOBJGetStatementNode* getStatementRoot();

    // CONTENTHANDLER ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     
        
        //____________________________________________________________________
        //  STARTELEMENT
        //--------------------------------------------------------------------
        //_____________________________________________________________________ 
        void startElement(  const XMLCh* const uri,  const XMLCh* const localname,   const XMLCh* const qname, const Attributes& attrs);

        //____________________________________________________________________
        //  CHARACTERS
        //--------------------------------------------------------------------
        //_____________________________________________________________________ 
        void characters(  const XMLCh* const chars,   const unsigned int length);

        //____________________________________________________________________
        //  ENDELEMENT
        //--------------------------------------------------------------------
        //_____________________________________________________________________ 
        void endElement (  const XMLCh* const uri,   const XMLCh* const localname,   const XMLCh* const qname);

        // not implemented :
        void startDocument(){};
        void endDocument(){};
        void ignorableWhitespace ( const XMLCh* const chars, const unsigned int length){};
        void processingInstruction ( const XMLCh* const target, const XMLCh* const data){};
        void setDocumentLocator ( const Locator* const locator) {};
        void startPrefixMapping ( const XMLCh* const prefix,const XMLCh* const uri){};      
        void endPrefixMapping ( const XMLCh* const prefix){};
        void skippedEntity ( const XMLCh* const name){};    
        
    private: //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

        //____________________________________________________________________
        //  DELSTACKEDNODES
        //--------------------------------------------------------------------
        //____________________________________________________________________
        void delStackedNodes();
};
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//=============================================================================


END_XDFLENGINE_NS

#endif

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