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Simba/Units/MMLAddon/scriptproperties.pas
2010-09-11 01:10:49 +02:00

158 lines
4.1 KiB
ObjectPascal

unit scriptproperties;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils,MufasaTypes,mufasabase;
type
{ TScriptProperties }
TSP_Property = (
SP_WriteTimeStamp, //Writes the time infront of a writeln
SP_OnTerminate
);
PSP_Property = ^TSP_Property;
TSP_Properties = set of TSP_Property;
TScriptProperties = class(TObject)
private
FProperties : TSP_Properties;
FOnTerminateProcs : TStringList;
function HasTimeStamp: boolean;
public
constructor Create;
destructor Destroy; override;
function GetProperty(name: ansistring; var Prop : TSP_Property): boolean;
function GetProp(name: ansistring; var Value : TVariantArray) : Boolean;overload;
function GetProp(Prop : TSP_Property; var Value : TVariantArray) : Boolean;overload;
function SetProp(Name: ansistring; Value: TVariantArray): Boolean;overload;
function SetProp(Prop : TSP_Property; Value: TVariantArray): Boolean;overload;
public
property Properties : TSP_Properties read FProperties;
property WriteTimeStamp : boolean read HasTimeStamp;
property OnTerminateProcs : TStringList read FOnTerminateProcs;
end;
implementation
function TScriptProperties.HasTimeStamp: boolean;
begin
result := (SP_WriteTimeStamp in FProperties);
end;
constructor TScriptProperties.Create;
begin
inherited;
FProperties := [];
FOnTerminateProcs := TStringList.Create;
FOnTerminateProcs.CaseSensitive:= false;
FOnTerminateProcs.Duplicates:= dupIgnore;
{ set default values }
end;
destructor TScriptProperties.Destroy;
begin
FOnTerminateProcs.Free;
inherited Destroy;
end;
function TScriptProperties.GetProperty(name: ansistring; var Prop : TSP_Property): boolean;
const
Names : array[TSP_Property] of ansistring = ('writetimestamp','onterminate');
var
i : integer;
begin
Result := false;
for i := 0 to length(names)- 1 do
if lowercase(name) = Names[TSP_Property(i)] then
begin
Prop := (TSP_Property(i));
Exit(true);
end;
end;
function TScriptProperties.GetProp(name: ansistring; var Value: TVariantArray): Boolean;
var
Prop : TSP_Property;
begin
Result := false;
if GetProperty(name,prop) then
Result := (GetProp(Prop,value));
end;
function TScriptProperties.GetProp(Prop: TSP_Property; var Value: TVariantArray
): Boolean;
var
i : integer;
begin
Result := true;
Setlength(value,0);
case Prop of
SP_WriteTimeStamp : begin SetLength(Value,1); Value[0] := BoolToStr(Prop in FProperties,true); end;
SP_OnTerminate :
begin
if not (Prop in FProperties) then
exit;
setlength(value,FOnTerminateProcs.Count);
for i := 0 to high(Value) do
value[i] := FOnTerminateProcs[i];
result := true;
end;
end;
end;
function TScriptProperties.SetProp(Name: ansistring; Value: TVariantArray): Boolean;
var
Prop : TSP_Property;
begin
Result := false;
if GetProperty(name,prop) then
Result := (SetProp(Prop,value));
end;
function TScriptProperties.SetProp(Prop: TSP_Property; Value: TVariantArray): Boolean;
var
i : integer;
begin
result := false;
if Length(value) < 1 then
begin;
mDebugLn('SetProp passed a TVarArray with a length of 0' );
exit;
end;
case Prop of
SP_WriteTimeStamp : begin
if length(Value) <> 1 then
begin
mDebugLn('SP_WriteTimeStamp only needs 1 value in the array');
exit;
end;
try
if Value[0] = True then
FProperties := FProperties + [Prop]
else
FProperties := FProperties - [Prop];
except
mDebugLn('Could not convert your value passed to SetProp');
end;
end;
SP_OnTerminate :
begin
FOnTerminateProcs.Clear;
for i := 0 to high(value) do
FOnTerminateProcs.Add(Value[i]);
FProperties := FProperties + [prop];
Result := True;
end;
end;
end;
end.