/**

 * vim: set ts=4 sw=4 tw=99 noet :

 * =============================================================================

 * SourceMod SQLite Extension

 * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.

 * =============================================================================

 *

 * This program is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, version 3.0, as published by the

 * Free Software Foundation.

 * 

 * 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, see <http://www.gnu.org/licenses/>.

 *

 * As a special exception, AlliedModders LLC gives you permission to link the

 * code of this program (as well as its derivative works) to "Half-Life 2," the

 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software

 * by the Valve Corporation.  You must obey the GNU General Public License in

 * all respects for all other code used.  Additionally, AlliedModders LLC grants

 * this exception to all derivative works.  AlliedModders LLC defines further

 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),

 * or <http://www.sourcemod.net/license.php>.

 *

 * Version: $Id$

 */

#ifndef _INCLUDE_SQLITE_SOURCEMOD_QUERY_H_

#define _INCLUDE_SQLITE_SOURCEMOD_QUERY_H_

#include <am-refcounting.h>

#include "SqDatabase.h"

#include "SqResults.h"

class SqQuery : 

	public IPreparedQuery

{

public:

	SqQuery(SqDatabase *parent, sqlite3_stmt *stmt);

	~SqQuery();

public: //IQuery

	IResultSet *GetResultSet();

	bool FetchMoreResults();

	void Destroy();

public: //IPreparedQuery

	bool BindParamInt(unsigned int param, int num, bool signd=true);

	bool BindParamFloat(unsigned int param, float f);

	bool BindParamNull(unsigned int param);

	bool BindParamString(unsigned int param, const char *text, bool copy);

	bool BindParamBlob(unsigned int param, const void *data, size_t length, bool copy);

	bool Execute();

	const char *GetError(int *errCode=NULL);

	unsigned int GetAffectedRows();

	unsigned int GetInsertID();

public: //IResultSet

	unsigned int GetRowCount();

	unsigned int GetFieldCount();

	const char *FieldNumToName(unsigned int columnId);

	bool FieldNameToNum(const char *name, unsigned int *columnId);

	bool MoreRows();

	IResultRow *FetchRow();

	IResultRow *CurrentRow();

	bool Rewind();

	DBType GetFieldType(unsigned int field);

	DBType GetFieldDataType(unsigned int field);

public: //IResultRow

	DBResult GetString(unsigned int columnId, const char **pString, size_t *length);

	DBResult CopyString(unsigned int columnId, 

		char *buffer, 

		size_t maxlength, 

		size_t *written);

	DBResult GetFloat(unsigned int columnId, float *pFloat);

	DBResult GetInt(unsigned int columnId, int *pInt);

	bool IsNull(unsigned int columnId);

	size_t GetDataSize(unsigned int columnId);

	DBResult GetBlob(unsigned int columnId, const void **pData, size_t *length);

	DBResult CopyBlob(unsigned int columnId, void *buffer, size_t maxlength, size_t *written);

public:

	sqlite3_stmt *GetStmt();

private:

	ke::Ref<SqDatabase> m_pParent;

	sqlite3_stmt *m_pStmt;

	SqResults *m_pResults;

	unsigned int m_ParamCount;

	String m_LastError;

	int m_LastErrorCode;

	unsigned int m_AffectedRows;

	unsigned int m_InsertID;

	unsigned int m_ColCount;

};

#endif //_INCLUDE_SQLITE_SOURCEMOD_QUERY_H_