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Minor memory leak in AddWithOffset removed
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,100 +1,103 @@ | ||
| {---------------------------------------------------------------------------} | ||
| { } | ||
| { File: Velthuis.Loggers.pas } | ||
| { Function: Very simple logger type } | ||
| { Language: Delphi version XE3 or later } | ||
| { Author: Rudy Velthuis } | ||
| { Copyright: (c) 2016 Rudy Velthuis } | ||
| { } | ||
| { License: Redistribution and use in source and binary forms, with or } | ||
| { without modification, are permitted provided that the } | ||
| { following conditions are met: } | ||
| { } | ||
| { * Redistributions of source code must retain the above } | ||
| { copyright notice, this list of conditions and the following } | ||
| { disclaimer. } | ||
| { * Redistributions in binary form must reproduce the above } | ||
| { copyright notice, this list of conditions and the following } | ||
| { disclaimer in the documentation and/or other materials } | ||
| { provided with the distribution. } | ||
| { } | ||
| { Disclaimer: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" } | ||
| { AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT } | ||
| { LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND } | ||
| { FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO } | ||
| { EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE } | ||
| { FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, } | ||
| { OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, } | ||
| { PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, } | ||
| { DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED } | ||
| { AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT } | ||
| { LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) } | ||
| { ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF } | ||
| { ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. } | ||
| { } | ||
| {---------------------------------------------------------------------------} | ||
|
|
||
| unit Velthuis.Loggers; | ||
|
|
||
| interface | ||
|
|
||
| uses | ||
| System.Classes; | ||
|
|
||
| type | ||
| ILogger = interface | ||
| ['{B6821CA6-64F8-48B0-89D0-A9A3E6304D82}'] | ||
| procedure Log(Msg: string); overload; | ||
| procedure Log(Format: string; Args: array of const); overload; | ||
| end; | ||
|
|
||
| TLogger = class(TInterfacedObject, ILogger) | ||
| private | ||
| FStream: TStream; | ||
| FWriter: TStreamWriter; | ||
| public | ||
| constructor Create(S: TStream); overload; | ||
| constructor Create(LogFileName: string); overload; | ||
| destructor Destroy; override; | ||
| procedure Log(Msg: string); overload; | ||
| procedure Log(Format: string; Args: array of const); overload; | ||
| end; | ||
|
|
||
| implementation | ||
|
|
||
| uses | ||
| System.SysUtils; | ||
|
|
||
| { TLogger } | ||
|
|
||
| constructor TLogger.Create(S: TStream); | ||
| begin | ||
| FStream := S; | ||
| FWriter := TStreamWriter.Create(S); | ||
| end; | ||
|
|
||
| constructor TLogger.Create(LogFileName: string); | ||
| var | ||
| F: TFileStream; | ||
| begin | ||
| F := TFileStream.Create(LogFileName, fmCreate); | ||
| Create(F); | ||
| end; | ||
|
|
||
| destructor TLogger.Destroy; | ||
| begin | ||
| FWriter.Free; | ||
| FStream.Free; | ||
| end; | ||
|
|
||
| procedure TLogger.Log(Msg: string); | ||
| begin | ||
| FWriter.WriteLine(Msg); | ||
| end; | ||
|
|
||
| procedure TLogger.Log(Format: string; Args: array of const); | ||
| begin | ||
| FWriter.WriteLine(System.SysUtils.Format(Format, Args)); | ||
| end; | ||
|
|
||
| end. | ||
| {---------------------------------------------------------------------------} | ||
| { } | ||
| { File: Velthuis.Loggers.pas } | ||
| { Function: Very simple logger type } | ||
| { Language: Delphi version XE3 or later } | ||
| { Author: Rudy Velthuis } | ||
| { Copyright: (c) 2016 Rudy Velthuis } | ||
| { } | ||
| { License: Redistribution and use in source and binary forms, with or } | ||
| { without modification, are permitted provided that the } | ||
| { following conditions are met: } | ||
| { } | ||
| { * Redistributions of source code must retain the above } | ||
| { copyright notice, this list of conditions and the following } | ||
| { disclaimer. } | ||
| { * Redistributions in binary form must reproduce the above } | ||
| { copyright notice, this list of conditions and the following } | ||
| { disclaimer in the documentation and/or other materials } | ||
| { provided with the distribution. } | ||
| { } | ||
| { Disclaimer: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" } | ||
| { AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT } | ||
| { LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND } | ||
| { FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO } | ||
| { EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE } | ||
| { FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, } | ||
| { OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, } | ||
| { PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, } | ||
| { DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED } | ||
| { AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT } | ||
| { LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) } | ||
| { ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF } | ||
| { ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. } | ||
| { } | ||
| {---------------------------------------------------------------------------} | ||
|
|
||
| unit Velthuis.Loggers; | ||
|
|
||
| interface | ||
|
|
||
| uses | ||
| System.Classes; | ||
|
|
||
| type | ||
| ILogger = interface | ||
| ['{B6821CA6-64F8-48B0-89D0-A9A3E6304D82}'] | ||
| procedure Log(Msg: string); overload; | ||
| procedure Log(Format: string; Args: array of const); overload; | ||
| end; | ||
|
|
||
| TLogger = class(TInterfacedObject, ILogger) | ||
| private | ||
| FStream: TStream; | ||
| FWriter: TStreamWriter; | ||
| public | ||
| constructor Create(S: TStream); overload; | ||
| constructor Create(LogFileName: string); overload; | ||
| destructor Destroy; override; | ||
| procedure Log(Msg: string); overload; | ||
| procedure Log(Format: string; Args: array of const); overload; | ||
| end; | ||
|
|
||
| var | ||
| Logger: TLogger = nil; | ||
|
|
||
| implementation | ||
|
|
||
| uses | ||
| System.SysUtils; | ||
|
|
||
| { TLogger } | ||
|
|
||
| constructor TLogger.Create(S: TStream); | ||
| begin | ||
| FStream := S; | ||
| FWriter := TStreamWriter.Create(S); | ||
| end; | ||
|
|
||
| constructor TLogger.Create(LogFileName: string); | ||
| var | ||
| F: TFileStream; | ||
| begin | ||
| F := TFileStream.Create(LogFileName, fmCreate); | ||
| Create(F); | ||
| end; | ||
|
|
||
| destructor TLogger.Destroy; | ||
| begin | ||
| FWriter.Free; | ||
| FStream.Free; | ||
| end; | ||
|
|
||
| procedure TLogger.Log(Msg: string); | ||
| begin | ||
| FWriter.WriteLine(Msg); | ||
| end; | ||
|
|
||
| procedure TLogger.Log(Format: string; Args: array of const); | ||
| begin | ||
| FWriter.WriteLine(System.SysUtils.Format(Format, Args)); | ||
| end; | ||
|
|
||
| end. |
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