table.hpp
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- /*
- * ===========================================================================
- * PRODUCTION $Log: table.hpp,v $
- * PRODUCTION Revision 1000.0 2003/10/29 20:58:17 gouriano
- * PRODUCTION PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R1.1
- * PRODUCTION
- * ===========================================================================
- */
- #ifndef OBJTOOLS_DATA_LOADERS_TABLE___TABLE__HPP
- #define OBJTOOLS_DATA_LOADERS_TABLE___TABLE__HPP
- /* $Id: table.hpp,v 1000.0 2003/10/29 20:58:17 gouriano Exp $
- * ===========================================================================
- *
- * PUBLIC DOMAIN NOTICE
- * National Center for Biotechnology Information
- *
- * This software/database is a "United States Government Work" under the
- * terms of the United States Copyright Act. It was written as part of
- * the author's official duties as a United States Government employee and
- * thus cannot be copyrighted. This software/database is freely available
- * to the public for use. The National Library of Medicine and the U.S.
- * Government have not placed any restriction on its use or reproduction.
- *
- * Although all reasonable efforts have been taken to ensure the accuracy
- * and reliability of the software and data, the NLM and the U.S.
- * Government do not and cannot warrant the performance or results that
- * may be obtained by using this software or data. The NLM and the U.S.
- * Government disclaim all warranties, express or implied, including
- * warranties of performance, merchantability or fitness for any particular
- * purpose.
- *
- * Please cite the author in any work or product based on this material.
- *
- * ===========================================================================
- *
- * Authors: Mike DiCuccio
- *
- * File Description:
- *
- */
- #include <corelib/ncbiobj.hpp>
- #include <objects/seqloc/Seq_loc.hpp>
- #include <objects/seqloc/Seq_id.hpp>
- BEGIN_NCBI_SCOPE
- //
- // class ITableIterator defines a forward iterator over a set of rows
- // the set of rows is defined by some action on the table data itself
- //
- class ITableIterator : public CObject
- {
- public:
- // virtual dtor
- virtual ~ITableIterator() { }
- // retrieve the current row's data
- virtual void GetRow(list<string>& data) const = 0;
- // advance to the next row
- virtual void Next(void) = 0;
- // check to see if the current iterator is valid
- virtual bool IsValid(void) const = 0;
- // pre-increment for advance
- // this is implemented here as operators can't be virtual
- ITableIterator& operator++(void)
- {
- Next();
- return *this;
- }
- // operator bool for validity checking
- // this is implemented here as operators can't be virtual
- operator bool(void) const
- {
- return IsValid();
- }
- };
- //
- // class ITableData defines an abstraction for dealing with tabular structures
- //
- class ITableData : public CObject
- {
- public:
- typedef CRef<ITableIterator> TIterator;
- virtual ~ITableData() { }
- // retrieve the number of rows in the table
- virtual int GetNumRows(void) const = 0;
- // retrieve the number of columns in the table
- virtual int GetNumCols(void) const = 0;
- // retrieve a single, numbered row
- virtual void GetRow (int row, list<string>& data) const = 0;
- // retrieve the title for a given column
- virtual void GetColumnTitle(int col, string& title) const = 0;
- // retrieve a list of the columns in the table
- virtual void GetColumnTitles(list<string>& titles) const = 0;
- // access an iterator for the entire table
- virtual TIterator Begin(void) = 0;
- // obtain an iterator valid for a given ID
- virtual TIterator Begin(const objects::CSeq_id& id) = 0;
- // obtain an iterator valid for a given location
- virtual TIterator Begin(const objects::CSeq_loc& id) = 0;
- // obtain an iterator valid for a given SQL query
- virtual TIterator Begin(const string& query) = 0;
- };
- END_NCBI_SCOPE
- /*
- * ===========================================================================
- * $Log: table.hpp,v $
- * Revision 1000.0 2003/10/29 20:58:17 gouriano
- * PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R1.1
- *
- * Revision 1.1 2003/10/02 17:50:00 dicuccio
- * Moved table reader into the data loader project, as it depends on SQLite
- *
- * ===========================================================================
- */
- #endif // OBJTOOLS_DATA_LOADERS_TABLE___TABLE__HPP