mirror of
https://github.com/moparisthebest/Simba
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118 lines
3.3 KiB
ObjectPascal
118 lines
3.3 KiB
ObjectPascal
{
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This file is part of the Mufasa Macro Library (MML)
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Copyright (c) 2009 by Raymond van Venetië and Merlijn Wajer
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MML is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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MML is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with MML. If not, see <http://www.gnu.org/licenses/>.
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See the file COPYING, included in this distribution,
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for details about the copyright.
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Plugins Class for the Mufasa Macro Library
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}
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unit plugins;
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{
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Problems with SMART; you cannot free the plugin when smart is open..
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Therefore, loading & free-ing plugins per script run is not an option.
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Assigning a TMPlugin per Tab might be a do-able solution, but will still cope with the SMART Problems..
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So the question is: Plugins Per Tab,Per Run or Global?
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}
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, dynlibs, libloader;
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const
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cv_StdCall = 0; //StdCall
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cv_Register = 1; //Register
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type
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TMPluginMethod = record
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FuncPtr : pointer;
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FuncStr : string;
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FuncConv: integer;
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end;
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TMPlugin = record
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Methods : Array of TMPluginMethod;
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MethodLen : integer;
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end;
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TMPluginArray = array of TMPlugin;
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{ TMPlugins }
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TMPlugins = class (TGenericLoader)
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private
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Plugins : TMPluginArray;
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NumPlugins : integer;
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protected
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function InitPlugin(plugin: TLibHandle): boolean; override;
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public
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property MPlugins : TMPluginArray read Plugins;
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property Count : integer read NumPlugins;
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end;
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implementation
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uses
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MufasaTypes,FileUtil;
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{ TMPlugins }
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function TMPlugins.InitPlugin(plugin: TLibHandle): boolean;
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var
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pntrArrc : function : integer; stdcall;
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GetFuncInfo : function (x: Integer; var ProcAddr: Pointer; var ProcDef: PChar) : Integer; stdcall;
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GetFuncConv : function (x: integer) : integer; stdcall;
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GetTypeCount : function : Integer; stdcall;
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GetTypeInfo : function (x: Integer; var sType, sTypeDef: string): Integer; stdcall;
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PD : PChar;
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pntr : Pointer;
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arrc, ii : integer;
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begin
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Pointer(pntrArrc) := GetProcAddress(plugin, PChar('GetFunctionCount'));
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if pntrArrc = nil then begin result:= false; exit; end;
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Pointer(GetFuncInfo) := GetProcAddress(plugin, PChar('GetFunctionInfo'));
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if GetFuncInfo = nil then begin result:= false; exit; end;
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Pointer(GetFuncConv) := GetProcAddress(plugin,pchar('GetFunctionCallingConv'));
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arrc := pntrArrc();
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SetLength(Plugins,NumPlugins+1);
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Plugins[NumPlugins].MethodLen := Arrc;
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SetLength(Plugins[NumPlugins].Methods, ArrC);
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pd := StrAlloc(255);
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for ii := 0 to ArrC-1 do
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begin;
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if (GetFuncInfo(ii, pntr, pd) < 0) then
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Continue;
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Plugins[NumPlugins].Methods[ii].FuncPtr := pntr;
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Plugins[NumPlugins].Methods[ii].FuncStr := pd;
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if GetFuncConv <> nil then
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Plugins[NumPlugins].Methods[ii].FuncConv := GetFuncConv(ii)
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else
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Plugins[NumPlugins].Methods[ii].FuncConv := cv_stdcall;
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end;
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StrDispose(pd);
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inc(NumPlugins);
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result:= true;
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end;
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end.
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