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... check a file name against a list of masks?
Autor: CutMaster
Homepage: http://www.wptechnology.com
[ Print tip ]  

Tip Rating (6):  
     


{
  This code can be used to test if the given filename matches with a
  list of wildcards search.

  examples of use :
  isFileFromDefinition('c:\pictures\vanessa.jpg','*.gif;*.jpg;*.tga;*.bmp');
  ifFileFromDefinition('c:\pictures\vanessa.jpg','v*.jp?');
}

uses
  
SysUtils, Masks;   // works only from Delphi 5 and above

function isFileFromDefinition(aFilename, aMaskList: string): Boolean;
var
  
Definition: string;
begin
  
aFilename  := ExtractFileName(aFilename);
  Definition := '';
  repeat
    if 
Pos(';', aMaskList) > 0 then
      
Definition := Copy(aMaskList, 1,Pos(';', aMaskList) - 1)
    else
      
Definition := aMaskList;
    Delete(aMaskList, 1,Length(Definition) + 1);
    if MatchesMask(aFileName, Definition) then 
    begin 
      
Result := True; 
      Exit; 
    end;
  until Length(aMaskList) = 0;
  Result := False;
end;


 

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