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{***************************************************************************
* *
* This unit is distributed under the LGPL version 2 *
* *
* Additionally this unit can be used under any newer version (3 or up) *
* of the LGPL *
* *
* Users are also granted the same "linking exception" as defined *
* for the LCL. *
* See the LCL license for details *
* *
* *
***************************************************************************
@author(Martin Friebe)
}
unit LazDebuggerValueConverter;
{$mode objfpc}{$H+}
{$INTERFACES CORBA}
interface
uses
Classes, SysUtils, fgl;
type
ILazDbgValueConverterIntf = interface;
TLazDbgValueConvertRegistryEntry = class;
TLazDbgValueConvertRegistryEntryClass = class of TLazDbgValueConvertRegistryEntry;
ILazDbgValueConverterSettingsFrameIntf = interface
['{0A2F548B-0621-4E2C-A94A-8DE5C3DF81B8}']
procedure ReadFrom(AConvertor: ILazDbgValueConverterIntf);
function WriteTo(AConvertor: ILazDbgValueConverterIntf): Boolean; // return TRUE, if anything changed
function GetFrame: TObject; // TFrame
procedure Free;
end;
ILazDbgValueConverterIntf = interface
['{FC054A2E-17D3-4616-9F68-20E1169C29E8}']
procedure AddReference;
procedure ReleaseReference;
function CreateCopy: ILazDbgValueConverterIntf;
function GetObject: TObject;
function GetRegistryEntry: TLazDbgValueConvertRegistryEntryClass;
function GetSettingsFrame: ILazDbgValueConverterSettingsFrameIntf;
end;
ILazDbgValueConvertSelectorIntf = interface
['{BEF1676E-0404-4F82-80BD-ABA4522A505E}']
procedure AddFreeNotification(ANotification: TNotifyEvent);
procedure RemoveFreeNotification(ANotification: TNotifyEvent);
function GetConverter: ILazDbgValueConverterIntf;
function AllowedTypeNames: TStrings;
end;
{ ILazDbgValueConvertSelectorListIntf }
(* List of currently configured instance / passed to debugger *)
ILazDbgValueConvertSelectorListIntf = interface
['{7004204B-14ED-4282-A150-81AF71D133E3}']
function Count: Integer;
function Get(Index: Integer): ILazDbgValueConvertSelectorIntf;
property Items[Index: Integer]: ILazDbgValueConvertSelectorIntf read Get; default;
procedure Lock;
procedure Unlock;
//function CreateCopy: ILazDbgValueConvertSelectorListIntf;
//procedure Assign(ASource: ILazDbgValueConvertSelectorListIntf);
//procedure Free;
end;
{ TLazDbgValueConvertRegistryEntry }
TLazDbgValueConvertRegistryEntry = class
public
class function CreateValueConvertorIntf: ILazDbgValueConverterIntf; virtual; abstract;
class function GetName: String; virtual; abstract;
class function GetConvertorClass: TClass; virtual; abstract; // Used as XML-NAME in XmlConfig
class function GetDebuggerClass: TClass; virtual; abstract; // class of TDebuggerIntf
end;
{ TLazDbgValueConvertRegistry }
TLazDbgValueConvertRegistry = class(specialize TFPGList<TLazDbgValueConvertRegistryEntryClass>)
function FindByConvertorClassName(AName: String): TLazDbgValueConvertRegistryEntryClass;
function IndexOfConvertorClass(AClass: TClass): integer;
end;
function ValueConverterRegistry: TLazDbgValueConvertRegistry;
var
ValueConverterConfigList: ILazDbgValueConvertSelectorListIntf;
implementation
var
TheValueConverterRegistry: TLazDbgValueConvertRegistry;
function ValueConverterRegistry: TLazDbgValueConvertRegistry;
begin
if TheValueConverterRegistry = nil then
TheValueConverterRegistry := TLazDbgValueConvertRegistry.Create;
Result := TheValueConverterRegistry;
end;
{ TLazDbgValueConvertRegistry }
function TLazDbgValueConvertRegistry.FindByConvertorClassName(AName: String
): TLazDbgValueConvertRegistryEntryClass;
var
i: Integer;
begin
Result := nil;
for i := 0 to Count -1 do
if Items[i].GetConvertorClass.ClassName = AName then
exit(Items[i]);
end;
function TLazDbgValueConvertRegistry.IndexOfConvertorClass(AClass: TClass
): integer;
begin
Result := Count - 1;
while Result >= 0 do begin
if Items[Result].GetConvertorClass = AClass then
exit;
dec(Result);
end;
end;
finalization
FreeAndNil(TheValueConverterRegistry);
end.
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