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/*
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* Copyright (C) 2008-2010 Trinity <http://www.trinitycore.org/>
*
* This program 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
*/
#if !defined(QUERYRESULT_H)
#define QUERYRESULT_H
#include <ace/Refcounted_Auto_Ptr.h>
#include <ace/Null_Mutex.h>
#include "Field.h"
class QueryResult
{
public:
QueryResult(uint64 rowCount, uint32 fieldCount)
: mFieldCount(fieldCount), mRowCount(rowCount) {}
virtual ~QueryResult() {}
virtual bool NextRow() = 0;
Field *Fetch() const { return mCurrentRow; }
const Field & operator [] (int index) const { return mCurrentRow[index]; }
uint32 GetFieldCount() const { return mFieldCount; }
uint64 GetRowCount() const { return mRowCount; }
protected:
Field *mCurrentRow;
uint32 mFieldCount;
uint64 mRowCount;
};
typedef ACE_Refcounted_Auto_Ptr<QueryResult, ACE_Null_Mutex> QueryResult_AutoPtr;
typedef std::vector<std::string> QueryFieldNames;
class QueryNamedResult
{
public:
explicit QueryNamedResult(QueryResult* query, QueryFieldNames const& names) : mQuery(query), mFieldNames(names) {}
~QueryNamedResult() { delete mQuery; }
// compatible interface with QueryResult
bool NextRow() { return mQuery->NextRow(); }
Field *Fetch() const { return mQuery->Fetch(); }
uint32 GetFieldCount() const { return mQuery->GetFieldCount(); }
uint64 GetRowCount() const { return mQuery->GetRowCount(); }
Field const& operator[] (int index) const { return (*mQuery)[index]; }
// named access
Field const& operator[] (const std::string &name) const { return mQuery->Fetch()[GetField_idx(name)]; }
QueryFieldNames const& GetFieldNames() const { return mFieldNames; }
uint32 GetField_idx(const std::string &name) const
{
for (size_t idx = 0; idx < mFieldNames.size(); ++idx)
{
if(mFieldNames[idx] == name)
return idx;
}
ASSERT(false && "unknown field name");
return uint32(-1);
}
protected:
QueryResult *mQuery;
QueryFieldNames mFieldNames;
};
#endif
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