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SqMod/modules/sqlite/Common.hpp
Sandu Liviu Catalin a89acef503 Initial implementation for the second revision of the SQLite module.
Added a utility function to retrieve a time instance in seconds.
2016-07-10 03:00:33 +03:00

149 lines
5.8 KiB
C++

#ifndef _SQSQLITE_COMMON_HPP_
#define _SQSQLITE_COMMON_HPP_
// ------------------------------------------------------------------------------------------------
#include "Base/Utility.hpp"
// ------------------------------------------------------------------------------------------------
#include <sqlite3.h>
// ------------------------------------------------------------------------------------------------
namespace SqMod {
/* ------------------------------------------------------------------------------------------------
* Forward declarations.
*/
class Connection;
class Statement;
class Column;
class Transaction;
/* ------------------------------------------------------------------------------------------------
* SOFTWARE INFORMATION
*/
#define SQSQLITE_NAME "Squirrel SQLite Module"
#define SQSQLITE_AUTHOR "Sandu Liviu Catalin (S.L.C)"
#define SQSQLITE_COPYRIGHT "Copyright (C) 2016 Sandu Liviu Catalin"
#define SQSQLITE_HOST_NAME "SqModSQLiteHost"
#define SQSQLITE_VERSION 001
#define SQSQLITE_VERSION_STR "0.0.1"
#define SQSQLITE_VERSION_MAJOR 0
#define SQSQLITE_VERSION_MINOR 0
#define SQSQLITE_VERSION_PATCH 1
/* ------------------------------------------------------------------------------------------------
* Handle validation.
*/
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
#define SQMOD_THROW_CURRENT(x, a) (x).ThrowCurrent(a, __FILE__, __LINE__)
#define SQMOD_VALIDATE(x) (x).Validate(__FILE__, __LINE__)
#define SQMOD_VALIDATE_CREATED(x) (x).ValidateCreated(__FILE__, __LINE__)
#define SQMOD_VALIDATE_PARAM(x, i) (x).ValidateParam((i), __FILE__, __LINE__)
#define SQMOD_VALIDATE_COLUMN(x, i) (x).ValidateColumn((i), __FILE__, __LINE__)
#define SQMOD_VALIDATE_ROW(x) (x).ValidateRow(__FILE__, __LINE__)
#define SQMOD_GET_VALID(x) (x).GetValid(__FILE__, __LINE__)
#define SQMOD_GET_CREATED(x) (x).GetCreated(__FILE__, __LINE__)
#else
#define SQMOD_THROW_CURRENT(x, a) (x).ThrowCurrent(a)
#define SQMOD_VALIDATE(x) (x).Validate()
#define SQMOD_VALIDATE_CREATED(x) (x).ValidateCreated()
#define SQMOD_VALIDATE_PARAM(x, i) (x).ValidateParam((i))
#define SQMOD_VALIDATE_COLUMN(x, i) (x).ValidateColumn((i))
#define SQMOD_VALIDATE_ROW(x) (x).ValidateRow()
#define SQMOD_GET_VALID(x) (x).GetValid()
#define SQMOD_GET_CREATED(x) (x).GetCreated()
#endif // _DEBUG
/* ------------------------------------------------------------------------------------------------
* Helper macros for architecture differences.
*/
#ifdef _SQ64
#define sqlite3_bind_integer sqlite3_bind_int64
#define sqlite3_column_integer sqlite3_column_int64
#else
#define sqlite3_bind_integer sqlite3_bind_int
#define sqlite3_column_integer sqlite3_column_int
#endif
/* ------------------------------------------------------------------------------------------------
* Forward declarations.
*/
struct ConnHnd;
struct StmtHnd;
/* ------------------------------------------------------------------------------------------------
* Common typedefs.
*/
typedef SharedPtr< ConnHnd > ConnRef;
typedef SharedPtr< StmtHnd > StmtRef;
/* ------------------------------------------------------------------------------------------------
* Obtain a script object from a connection handle. (meant to avoid having to include the header)
*/
Object GetConnectionObj(const ConnRef & conn);
/* ------------------------------------------------------------------------------------------------
* Obtain a script object from a statement handle. (meant to avoid having to include the header)
*/
Object GetStatementObj(const StmtRef & stmt);
/* ------------------------------------------------------------------------------------------------
* Generate a formatted query.
*/
CSStr QFmtStr(CSStr str, ...);
/* ------------------------------------------------------------------------------------------------
* Tests if a certain query string is empty.
*/
bool IsQueryEmpty(CSStr str);
/* ------------------------------------------------------------------------------------------------
* Retrieve the string representation of a certain status code.
*/
CSStr GetErrStr(Int32 status);
/* ------------------------------------------------------------------------------------------------
* Set a specific heap limit.
*/
void SetSoftHeapLimit(Int32 limit);
/* ------------------------------------------------------------------------------------------------
* Release the specified amount of memory.
*/
Int32 ReleaseMemory(Int32 bytes);
/* ------------------------------------------------------------------------------------------------
* Retrieve the current memory usage.
*/
Object GetMemoryUsage();
/* ------------------------------------------------------------------------------------------------
* Retrieve the memory high watermark.
*/
Object GetMemoryHighwaterMark(bool reset);
/* ------------------------------------------------------------------------------------------------
* Retrieve the escaped version of the specified string.
*/
CSStr EscapeString(CSStr str);
/* ------------------------------------------------------------------------------------------------
* Retrieve the escaped version of the specified string using the supplied format specifier.
*/
CCStr EscapeStringEx(SQChar spec, CCStr str);
/* ------------------------------------------------------------------------------------------------
* Convert the values from the specified array to a list of column names string.
*/
CCStr ArrayToQueryColumns(Array & arr);
/* ------------------------------------------------------------------------------------------------
* Convert the keys from the specified array to a list of column names string.
*/
CCStr TableToQueryColumns(Table & tbl);
} // Namespace:: SqMod
#endif // _SQSQLITE_COMMON_HPP_