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113 lines
3.1 KiB
ObjectPascal
113 lines
3.1 KiB
ObjectPascal
(* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is TurboPower FlashFiler
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*
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* The Initial Developer of the Original Code is
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* Eivind Bakkestuen
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* Used with permission.
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*
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* ***** END LICENSE BLOCK ***** *)
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unit uReportEngineInterface;
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interface
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{$I FFDEFINE.INC}
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uses
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ffllbase,
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ffllprot,
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ffdb;
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type
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TRangeFieldValues = Array[0..Pred(ffcl_MaxIndexFlds)] of Variant;
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var
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ReportEngineDLLLoaded : Boolean;
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{ take care to ensure that the method declarations here and
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in the reportengine DLL match! }
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SingleTableReport : procedure(aProtocol : TffProtocolType;
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aServerName : TffNetAddress;
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aUserName,
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aPassword : TffName;
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aAliasName : PChar;
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aTableName : TffTableName;
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aFilter,
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aIndexName : PChar;
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aRangeStart,
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aRangeEnd : TRangeFieldValues);
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SingleQueryReport : procedure(aProtocol : TffProtocolType;
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aServerName : TffNetAddress;
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aUserName,
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aPassword : TffName;
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aAliasName : PChar;
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aSQL,
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aFilter : PChar);
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DesignReport : procedure(aProtocol : TffProtocolType;
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aServerName : TffNetAddress;
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aUserName,
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aPassword : TffName;
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aAliasName : PChar);
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implementation
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uses
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Windows,
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SysUtils,
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Forms;
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var
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hDLL : THandle;
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function LoadReportEngineDLL : Boolean;
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var
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DllPath : String;
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begin
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Result := False;
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hDLL := 0;
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DllPath := ExtractFilePath(Application.ExeName)+'\FFEReportEngine.DLL';
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if FileExists(DllPath) then begin
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hDLL := LoadLibrary(PChar(DllPath));
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if hDLL<>0 then begin
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@SingleTableReport := GetProcAddress(hDLL, 'SingleTableReport');
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@SingleQueryReport := GetProcAddress(hDLL, 'SingleQueryReport');
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@DesignReport := GetProcAddress(hDLL, 'DesignReport');
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{ add new routines above, and tests for NIL below }
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if (@SingleTableReport<>NIL) and
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(@SingleQueryReport<>NIL) and
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(@DesignReport<>NIL) then
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Result := True;
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end;
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end;
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end;
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initialization
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ReportEngineDLLLoaded := LoadReportEngineDLL;
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finalization
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if hDLL<>0 then
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FreeLibrary(hDLL);
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end.
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