mirror of
https://github.com/TrinityCore/TrinityCore.git
synced 2026-01-16 23:50:44 +01:00
348 lines
9.8 KiB
C++
Executable File
348 lines
9.8 KiB
C++
Executable File
/*
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* Copyright (C) 2008-2012 TrinityCore <http://www.trinitycore.org/>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _FIELD_H
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#define _FIELD_H
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#include "Common.h"
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#include "Log.h"
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#include <mysql.h>
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class Field
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{
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friend class ResultSet;
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friend class PreparedResultSet;
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public:
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bool GetBool() const // Wrapper, actually gets integer
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{
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return GetUInt8() == 1 ? true : false;
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}
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uint8 GetUInt8() const
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{
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if (!data.value)
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return 0;
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#ifdef TRINITY_DEBUG
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if (!IsType(MYSQL_TYPE_TINY))
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{
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sLog->outSQLDriver("Warning: GetUInt8() on non-tinyint field.");
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return 0;
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}
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#endif
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if (data.raw)
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return *reinterpret_cast<uint8*>(data.value);
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return static_cast<uint8>(atol((char*)data.value));
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}
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int8 GetInt8() const
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{
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if (!data.value)
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return 0;
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#ifdef TRINITY_DEBUG
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if (!IsType(MYSQL_TYPE_TINY))
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{
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sLog->outSQLDriver("Warning: GetInt8() on non-tinyint field.");
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return 0;
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}
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#endif
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if (data.raw)
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return *reinterpret_cast<int8*>(data.value);
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return static_cast<int8>(atol((char*)data.value));
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}
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uint16 GetUInt16() const
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{
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if (!data.value)
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return 0;
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#ifdef TRINITY_DEBUG
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if (!IsType(MYSQL_TYPE_SHORT) && !IsType(MYSQL_TYPE_YEAR))
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{
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sLog->outSQLDriver("Warning: GetUInt16() on non-smallint field.");
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return 0;
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}
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#endif
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if (data.raw)
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return *reinterpret_cast<uint16*>(data.value);
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return static_cast<uint16>(atol((char*)data.value));
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}
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int16 GetInt16() const
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{
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if (!data.value)
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return 0;
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#ifdef TRINITY_DEBUG
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if (!IsType(MYSQL_TYPE_SHORT) && !IsType(MYSQL_TYPE_YEAR))
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{
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sLog->outSQLDriver("Warning: GetInt16() on non-smallint field.");
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return 0;
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}
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#endif
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if (data.raw)
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return *reinterpret_cast<int16*>(data.value);
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return static_cast<int16>(atol((char*)data.value));
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}
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uint32 GetUInt32() const
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{
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if (!data.value)
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return 0;
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#ifdef TRINITY_DEBUG
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if (!IsType(MYSQL_TYPE_INT24) && !IsType(MYSQL_TYPE_LONG))
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{
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sLog->outSQLDriver("Warning: GetUInt32() on non-(medium)int field.");
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return 0;
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}
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#endif
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if (data.raw)
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return *reinterpret_cast<uint32*>(data.value);
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return static_cast<uint32>(atol((char*)data.value));
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}
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int32 GetInt32() const
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{
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if (!data.value)
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return 0;
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#ifdef TRINITY_DEBUG
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if (!IsType(MYSQL_TYPE_INT24) && !IsType(MYSQL_TYPE_LONG))
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{
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sLog->outSQLDriver("Warning: GetInt32() on non-(medium)int field.");
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return 0;
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}
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#endif
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if (data.raw)
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return *reinterpret_cast<int32*>(data.value);
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return static_cast<int32>(atol((char*)data.value));
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}
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uint64 GetUInt64() const
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{
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if (!data.value)
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return 0;
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#ifdef TRINITY_DEBUG
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if (!IsType(MYSQL_TYPE_LONGLONG) && !IsType(MYSQL_TYPE_BIT))
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{
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sLog->outSQLDriver("Warning: GetUInt64() on non-bigint field.");
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return 0;
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}
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#endif
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if (data.raw)
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return *reinterpret_cast<uint64*>(data.value);
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return static_cast<uint64>(atol((char*)data.value));
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}
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int64 GetInt64() const
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{
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if (!data.value)
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return 0;
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#ifdef TRINITY_DEBUG
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if (!IsType(MYSQL_TYPE_LONGLONG) && !IsType(MYSQL_TYPE_BIT))
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{
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sLog->outSQLDriver("Warning: GetInt64() on non-bigint field.");
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return 0;
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}
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#endif
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if (data.raw)
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return *reinterpret_cast<int64*>(data.value);
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return static_cast<int64>(strtol((char*)data.value, NULL, 10));
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}
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float GetFloat() const
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{
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if (!data.value)
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return 0.0f;
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#ifdef TRINITY_DEBUG
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if (!IsType(MYSQL_TYPE_FLOAT))
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{
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sLog->outSQLDriver("Warning: GetFloat() on non-float field.");
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return 0.0f;
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}
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#endif
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if (data.raw)
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return *reinterpret_cast<float*>(data.value);
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return static_cast<float>(atof((char*)data.value));
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}
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double GetDouble() const
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{
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if (!data.value)
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return 0.0f;
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#ifdef TRINITY_DEBUG
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if (!IsType(MYSQL_TYPE_DOUBLE))
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{
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sLog->outSQLDriver("Warning: GetDouble() on non-double field.");
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return 0.0f;
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}
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#endif
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if (data.raw)
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return *reinterpret_cast<double*>(data.value);
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return static_cast<double>(atof((char*)data.value));
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}
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const char* GetCString() const
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{
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if (!data.value)
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return NULL;
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#ifdef TRINITY_DEBUG
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if (IsNumeric())
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{
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sLog->outSQLDriver("Error: GetCString() on numeric field.");
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return NULL;
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}
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#endif
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return static_cast<const char*>(data.value);
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}
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std::string GetString() const
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{
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if (!data.value)
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return "";
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if (data.raw)
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{
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const char* string = GetCString();
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if (!string)
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string = "";
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return std::string(string, data.length);
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}
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return std::string((char*)data.value);
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}
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protected:
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Field();
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~Field();
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#if defined(__GNUC__)
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#pragma pack(1)
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#else
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#pragma pack(push, 1)
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#endif
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struct
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{
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uint32 length; // Length (prepared strings only)
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void* value; // Actual data in memory
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enum_field_types type; // Field type
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bool raw; // Raw bytes? (Prepared statement or ad hoc)
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} data;
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#if defined(__GNUC__)
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#pragma pack()
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#else
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#pragma pack(pop)
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#endif
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void SetByteValue(const void* newValue, const size_t newSize, enum_field_types newType, uint32 length);
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void SetStructuredValue(char* newValue, enum_field_types newType);
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void CleanUp()
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{
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delete[] ((char*)data.value);
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data.value = NULL;
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}
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static size_t SizeForType(MYSQL_FIELD* field)
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{
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switch (field->type)
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{
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case MYSQL_TYPE_NULL:
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return 0;
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case MYSQL_TYPE_TINY:
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return 1;
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case MYSQL_TYPE_YEAR:
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case MYSQL_TYPE_SHORT:
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return 2;
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case MYSQL_TYPE_INT24:
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case MYSQL_TYPE_LONG:
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case MYSQL_TYPE_FLOAT:
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return 4;
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case MYSQL_TYPE_DOUBLE:
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case MYSQL_TYPE_LONGLONG:
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case MYSQL_TYPE_BIT:
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return 8;
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case MYSQL_TYPE_TIMESTAMP:
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case MYSQL_TYPE_DATE:
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case MYSQL_TYPE_TIME:
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case MYSQL_TYPE_DATETIME:
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return sizeof(MYSQL_TIME);
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case MYSQL_TYPE_TINY_BLOB:
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case MYSQL_TYPE_MEDIUM_BLOB:
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case MYSQL_TYPE_LONG_BLOB:
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case MYSQL_TYPE_BLOB:
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case MYSQL_TYPE_STRING:
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case MYSQL_TYPE_VAR_STRING:
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return field->max_length + 1;
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case MYSQL_TYPE_DECIMAL:
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case MYSQL_TYPE_NEWDECIMAL:
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return 64;
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case MYSQL_TYPE_GEOMETRY:
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/*
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Following types are not sent over the wire:
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MYSQL_TYPE_ENUM:
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MYSQL_TYPE_SET:
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*/
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default:
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sLog->outSQLDriver("SQL::SizeForType(): invalid field type %u", uint32(field->type));
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return 0;
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}
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}
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bool IsType(enum_field_types type) const
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{
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return data.type == type;
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}
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bool IsNumeric() const
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{
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return (data.type == MYSQL_TYPE_TINY ||
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data.type == MYSQL_TYPE_SHORT ||
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data.type == MYSQL_TYPE_INT24 ||
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data.type == MYSQL_TYPE_LONG ||
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data.type == MYSQL_TYPE_FLOAT ||
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data.type == MYSQL_TYPE_DOUBLE ||
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data.type == MYSQL_TYPE_LONGLONG );
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}
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};
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#endif
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