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/*
* This file is part of rasdaman community.
*
* Rasdaman community 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 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community 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 rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*/
#include "mymalloc/mymalloc.h"
// This is -*- C++ -*-
/*************************************************************
 *
 *
 * PURPOSE:
 *
 *
 * COMMENTS:
 *   uses embedded SQL 
 *
 ************************************************************/

static const char rcsid[] = "@(#)blobif,DBTile: $Id: dbtile.cc,v 1.12 2005/09/03 20:41:40 rasdev Exp $";

#include "dbtile.hh"
#include "raslib/rmdebug.hh"
#include "reladminif/externs.h"
#include "reladminif/sqlerror.hh"
#include "raslib/error.hh"
#include "reladminif/objectbroker.hh"
#include "blobtile.hh"
#include "inlinetile.hh"
#include "reladminif/dbref.hh"
#include "debug.hh"	// for ENTER/LEAVE/TALK macros

#include "unistd.h"
#include <iostream>
#include <cstring>
#include <vector>

#ifdef BASEDB_ORACLE
	#include <oratypes.h>
	#include <oci.h>
	#include <sqlca.h>	
#endif


r_Data_Format
DBTile::getDataFormat() const
	{
	RMDBGONCE(3, RMDebug::module_blobif, "DBTile", "getDataFormat() const " << myOId << " " << dataFormat);
	return dataFormat;
	}

r_Data_Format
DBTile::getCurrentFormat() const
	{
	return currentFormat;
	}

void
DBTile::setCurrentFormat(const r_Data_Format& dataformat) const
	{
	currentFormat = dataformat;
	}

void
DBTile::setDataFormat(const r_Data_Format& dataformat)
	{
	dataFormat = dataformat;
	setModified();
	}

r_Bytes
DBTile::getMemorySize() const
	{
	return size * sizeof(char) + sizeof(char*) + sizeof(r_Data_Format) + DBObject::getMemorySize() + sizeof(r_Bytes);
	}

void
DBTile::setCells(char* newCells)
	{
        if(cells != newCells) {
		if(cells != NULL) {
			TALK( "DBTile::setCells() freeing blob cells" );
			free(cells);
			// cells = NULL; 	// added PB 2005-jan-10
		}
		cells = newCells;
		setModified();
		}
	}

void
DBTile::setNoModificationData(char* newCells) const
	{
        if(cells != newCells) {
		if(cells != NULL) {
			TALK( "DBTile::setNoModificationData() freeing blob cells" );
			free(cells);
			// cells = NULL; 	// added PB 2005-jan-10
		}
		cells = newCells;
		}
	}

void
DBTile::setNoModificationSize(r_Bytes newSize) const
	{
	size = newSize;
	}

char*
DBTile::getCells()
	{
	RMDBGONCE(3, RMDebug::module_blobif, "DBTile", "getCells() " << myOId);
	setModified();
	return cells;
	}

const char*
DBTile::getCells() const
	{
	RMDBGONCE(3, RMDebug::module_blobif, "DBTile", "getCells() const " << myOId);
	return cells;
	}

char
DBTile::getCell(r_Bytes index) const
	{
	RMDBGONCE(3, RMDebug::module_blobif, "DBTile", "getCell(" << index << ") const " << myOId);
	return cells[index];
	}

r_Bytes 
DBTile::getSize() const
	{
	RMDBGONCE(3, RMDebug::module_blobif, "DBTile", "getSize() const " << myOId << " " << size);
	return size;
	}

void
DBTile::setCell(r_Bytes index, char newCell)
	{
	RMDBGONCE(3, RMDebug::module_blobif, "DBTile", "setCell(" << index << ", " << (int)newCell << ") " << myOId);
	setModified();
	cells[index] = newCell;
	}

DBTile::DBTile(r_Data_Format dataformat)
	:	DBObject(),
		size(0),
		cells(NULL),
		dataFormat(dataformat),
		currentFormat(r_Array)
	{
	RMDBGONCE(3, RMDebug::module_blobif, "DBTile", "DBTile(" << dataFormat << ")");
	objecttype = OId::INVALID;
	}

DBTile::DBTile(r_Bytes newSize, char c, r_Data_Format dataformat) 
	:	DBObject(),
		size(newSize),
		cells(NULL),
		currentFormat(r_Array),
		dataFormat(dataformat)
	{
	RMDBGENTER(3, RMDebug::module_blobif, "DBTile", "DBTile(" << newSize << ", '(int)" << (int) c << "', " << dataFormat << ")");

	TALK( "DBTile::DBTile() allocating " << newSize << " bytes for blob cells, previous ptr was " << (long) cells );
	cells = (char*)mymalloc(newSize * sizeof(char));
	objecttype = OId::INVALID;
	memset(cells, c, size);

	RMDBGEXIT(3, RMDebug::module_blobif, "DBTile", "DBTile(" << newSize << ", '(int)" << (int) c << "', " << dataFormat << ") " << myOId);
	}

DBTile::DBTile(r_Bytes newSize, r_Bytes patSize, const char* pat, r_Data_Format dataformat)
	:	DBObject(),
		size(newSize),
		cells(NULL),
		currentFormat(r_Array),
		dataFormat(dataformat)
	{
	RMDBGENTER(3, RMDebug::module_blobif, "DBTile", "DBTile(" << newSize << ", " << patSize << ", pattern, " << dataFormat << ")");
	objecttype = OId::INVALID;

	TALK( "DBTile::DBTile() allocating " << newSize << " bytes for blob cells, previous ptr was " << (long) cells );
	cells = (char*)mymalloc(newSize * sizeof(char));

	r_Bytes i = 0;
	r_Bytes j = 0;

	if (patSize >= size)
		{
		// fill cells with pattern
		for (j = 0; j < size; j++)
			{
			cells[j] = pat[j];
			}
		}
	else	{
		if (patSize >= 0)
			{
			// fill cells with repeated pattern
			for (i = 0; i < size; i += patSize)
				{
				for (j = 0; j < patSize; j++)
					{
					cells[(i+j)]= pat[j];
					}
				}
			// pad end with 0
			if (i != size)
				{
				// no padding necessary
				i -= patSize;
				for (; i < size; i++)
					{
					cells[i]=0;
					}
				}
			}
		else	{
			// fill cells with 0
			for (i = 0; i < size; i++)
				{
				cells[i] = 0;
				}
			}
		}

	RMDBGEXIT(3, RMDebug::module_blobif, "DBTile", "DBTile(" << newSize << ", " << patSize << ", pattern, " << dataFormat << ") " << myOId);
	}

DBTile::DBTile(r_Bytes newSize, const char* newCells, r_Data_Format dataformat) 
	:	DBObject(),
		size(newSize),
		cells(0),
		dataFormat(dataformat),
		currentFormat(r_Array)
	{
	RMDBGENTER(3, RMDebug::module_blobif, "DBTile", "DBTile(" << size << ", data, " << dataFormat << ")");

	TALK( "DBTile::DBTile() allocating " << newSize << " bytes for blob cells, previous ptr was " << (long) cells );

	cells = (char*)mymalloc(size * sizeof(char));
	objecttype = OId::INVALID;
	memcpy(cells, newCells, newSize);

	RMDBGEXIT(3, RMDebug::module_blobif, "DBTile", "DBTile(" << size << ", data, " << dataFormat << ") " << myOId);
	}

DBTile::DBTile(const OId& id) throw (r_Error)
	:	DBObject(id),
		size(0),
		cells(NULL),
		currentFormat(r_Array)
	{
	RMDBGONCE(3, RMDebug::module_blobif, "DBTile", "DBTile(" << id <<")");
	}

DBTile::~DBTile()
	{
	RMDBGENTER(3, RMDebug::module_blobif, "DBTile", "~DBTile() " << myOId);
	if (cells)
	{
		TALK( "DBTile::~DBTile() freeing blob cells" );
		free(cells);
	}
	cells = NULL;	
	RMDBGEXIT(3, RMDebug::module_blobif, "DBTile", "~DBTile() " << myOId);
	}

void
DBTile::resize(r_Bytes newSize)
	{
	RMDBGONCE(3, RMDebug::module_blobif, "DBTile", "resize(" << newSize << ") " << myOId);
	if (size != newSize)
		{
		setModified();
		if (cells)
		{
			TALK( "DBTile::resize() freeing blob cells" );
			free(cells);
			// cells = NULL; 	// added PB 2005-jan-10
		}
		TALK( "DBTile::resize() allocating " << newSize << " bytes for blob cells, previous ptr was " << (long) cells );
		cells = (char*)mymalloc(newSize * sizeof(char));
		size = newSize;
		}
	}

void
DBTile::printStatus(unsigned int level, std::ostream& stream) const
	{
	DBObject::printStatus(level, stream);
	stream << " r_Data_Format " << dataFormat << " size " << size << " ";
	RMDBGIF(20, RMDebug::module_blobif, "DBTile", for (int a = 0; a < size; a++)\
		 stream << " " << (int)(cells[a]); stream << endl;)
	}

std::ostream&
operator << (std::ostream& stream, DBTile& b)
	{
	stream << "\tDBTile at " << &b << endl;
	stream << "\t\tOId\t\t:" << b.myOId << endl;
	stream << "\t\tId\t\t:" << b.myOId.getCounter() << endl;
	stream << "\t\tSize\t\t:" << b.size << endl;
	stream << "\t\tModified\t:" << (int)b._isModified << endl;
	stream << "\t\tCells\t\t:";
	RMDBGIF(20, RMDebug::module_blobif, "DBTile", for (int a = 0; a < b.size; a++)\
		 stream << " " << (int)(b.cells[a]); stream << endl;)
	return stream;
	}