00001 /* 00002 ** ClanLib SDK 00003 ** Copyright (c) 1997-2011 The ClanLib Team 00004 ** 00005 ** This software is provided 'as-is', without any express or implied 00006 ** warranty. In no event will the authors be held liable for any damages 00007 ** arising from the use of this software. 00008 ** 00009 ** Permission is granted to anyone to use this software for any purpose, 00010 ** including commercial applications, and to alter it and redistribute it 00011 ** freely, subject to the following restrictions: 00012 ** 00013 ** 1. The origin of this software must not be misrepresented; you must not 00014 ** claim that you wrote the original software. If you use this software 00015 ** in a product, an acknowledgment in the product documentation would be 00016 ** appreciated but is not required. 00017 ** 2. Altered source versions must be plainly marked as such, and must not be 00018 ** misrepresented as being the original software. 00019 ** 3. This notice may not be removed or altered from any source distribution. 00020 ** 00021 ** Note: Some of the libraries ClanLib may link to may have additional 00022 ** requirements or restrictions. 00023 ** 00024 ** File Author(s): 00025 ** 00026 ** Magnus Norddahl 00027 ** Animehunter 00028 */ 00029 00030 00031 #pragma once 00032 00033 class CL_DBValue 00034 { 00035 00036 public: 00037 00038 CL_DBValue(); 00039 CL_DBValue(const CL_DBReader &db_reader, int column_index); 00040 CL_DBValue(const CL_DBReader &db_reader, const CL_StringRef &column_name); 00041 00042 int to_integer() const; 00043 CL_String to_string() const; 00044 bool to_boolean() const; 00045 double to_double() const; 00046 CL_DataBuffer to_binary() const; 00047 CL_DateTime to_datetime() const; 00048 00049 inline operator int() const { return to_integer(); } 00050 inline operator CL_String() const { return to_string(); } 00051 inline operator bool() const { return to_boolean(); } 00052 inline operator double() const { return to_double(); } 00053 inline operator CL_DataBuffer() const { return to_binary(); } 00054 inline operator CL_DateTime() const { return to_datetime(); } 00055 00056 private: 00057 00058 enum ParamType 00059 { 00060 cl_index, cl_name 00061 }; 00062 00063 ParamType param_type; 00064 00065 int column_index; 00066 CL_String column_name; 00067 00068 CL_DBReader db_reader; 00069 }; 00070