restemplate/indy/Protocols/IdFTPListParseMusic.pas

{
  $Project$
  $Workfile$
  $Revision$
  $DateUTC$
  $Id$

  This file is part of the Indy (Internet Direct) project, and is offered
  under the dual-licensing agreement described on the Indy website.
  (http://www.indyproject.org/)

  Copyright:
   (c) 1993-2005, Chad Z. Hower and the Indy Pit Crew. All rights reserved.
}
{
  $Log$
}
{
  Rev 1.5    10/26/2004 9:46:36 PM  JPMugaas
  Updated refs.

  Rev 1.4    4/19/2004 5:05:48 PM  JPMugaas
  Class rework Kudzu wanted.

  Rev 1.3    2004.02.03 5:45:28 PM  czhower
  Name changes

  Rev 1.2    10/19/2003 3:36:02 PM  DSiders
  Added localization comments.

  Rev 1.1    4/7/2003 04:03:56 PM  JPMugaas
  User can now descover what output a parser may give.

  Rev 1.0    2/19/2003 05:51:12 PM  JPMugaas
  Parsers ported from old framework.
}

unit IdFTPListParseMusic;

interface

{$i IdCompilerDefines.inc}

uses
  Classes,
  IdFTPList, IdFTPListParseBase, IdFTPListTypes;

type
  TIdMusicFTPListItem = class(TIdRecFTPListItem)
  protected
    FOwnerName : String;
  public
    property OwnerName : String read FOwnerName write FOwnerName;
    property RecLength;
    property RecFormat;
    property NumberRecs;
  end;
  TIdFTPLPMusic = class(TIdFTPListBaseHeader)
  protected
    class function MakeNewItem(AOwner : TIdFTPListItems) : TIdFTPListItem; override;
    class function IsHeader(const AData: String): Boolean; override;
    class function ParseLine(const AItem : TIdFTPListItem; const APath : String = ''): Boolean; override;
  public
    class function GetIdent : String; override;
  end;

  // RLebeau 2/14/09: this forces C++Builder to link to this unit so
  // RegisterFTPListParser can be called correctly at program startup...

  {$IFDEF HAS_DIRECTIVE_HPPEMIT_LINKUNIT}
    {$HPPEMIT LINKUNIT}
  {$ELSE}
    {$HPPEMIT '#pragma link "IdFTPListParseMusic"'}
  {$ENDIF}

implementation

uses
  IdException,
  IdGlobal, IdFTPCommon, IdGlobalProtocols, IdStrings, SysUtils;

{ TIdFTPLPMusic }

class function TIdFTPLPMusic.GetIdent: String;
begin
  Result := 'MUSIC/SP'; {do not localize}
end;

class function TIdFTPLPMusic.IsHeader(const AData: String): Boolean;
var
  LWords : TStrings;
begin
  LWords := TStringList.Create;
  try
    SplitDelimitedString(AData, LWords, True);
    Result := (LWords.Count > 7) and
      ((LWords[0] = 'File') and         {do not localize}
      (LWords[1] = 'name') and          {do not localize}
      (LWords[2] = 'RlenRf') and        {do not localize}
      (LWords[3] = 'Size') and          {do not localize}
      (LWords[4] = 'Read') and          {do not localize}
      (LWords[5] = 'Write') and         {do not localize}
      (LWords[6] = 'By') and            {do not localize}
      ((LWords[7] = 'Attrbs') and       {do not localize}
      (LWords.Count > 8) and
      (LWords[8] = '#Recs')) or         {do not localize}
      (LWords[7] = 'Attrbs#Recs'));     {do not localize}
  finally
    FreeAndNil(LWords);
  end;
end;

class function TIdFTPLPMusic.MakeNewItem(AOwner: TIdFTPListItems): TIdFTPListItem;
begin
  Result := TIdMusicFTPListItem.Create(AOwner);
end;

class function TIdFTPLPMusic.ParseLine(const AItem: TIdFTPListItem;
  const APath: String): Boolean;
var
  LBuf, LTmp : String;
  LDay, LMonth, LYear : Integer;
  LI : TIdMusicFTPListItem;
begin
  LI := AItem as TIdMusicFTPListItem;
  LBuf := AItem.Data;
  //file name
  LI.FileName := Fetch(LBuf);
  if TextEndsWith(AItem.FileName, '\') then
  begin
    LI.ItemType := ditDirectory;
    LI.FileName := Copy(AItem.FileName, 1, Length(AItem.FileName)-1);
  end;
  //record length and type
  LBuf := TrimLeft(LBuf);
  LTmp := Fetch(LBuf);
  LI.RecFormat := ExtractRecFormat(StripNo(LTmp));
  LI.RecLength := ExtractNumber(LTmp);
  if LI.RecFormat = 'DIR' then begin {do not localize}
    LI.ItemType := ditDirectory;
  end;
  //Size - estimate
  LBuf := TrimLeft(LBuf);
  LTmp := Fetch(LBuf);
  LI.Size := ExtractNumber(LTmp) * 1024;  //usually, K ends the number
  //Read - not sure so lets skip it
  LBuf := TrimLeft(LBuf);
  Fetch(LBuf);
  LBuf := TrimLeft(LBuf);
  //Write date - I think this is last modified
  LTmp := Fetch(LBuf);
  LDay := IndyStrToInt(Copy(LTmp, 1, 2), 1);
  LMonth := StrToMonth(Copy(LTmp, 3, 3));
  LYear := Y2Year(IndyStrToInt(Copy(LTmp, 6, MaxInt), 0));
  LI.ModifiedDate := EncodeDate(LYear, LMonth, LDay);
  LBuf := TrimLeft(LBuf);
  //Write time
  LI.ModifiedDate := AItem.ModifiedDate + TimeHHMMSS(Fetch(LBuf));
  LBuf := TrimLeft(LBuf);
  //Owner
  LI.OwnerName := Fetch(LBuf);
  LBuf := TrimLeft(LBuf);
  //attribs and rec count
  if IndyPos(' ', LBuf) > 0 then
  begin
    Fetch(LBuf);
    LBuf := TrimLeft(LBuf);
  end else begin
    LI.NumberRecs := IndyStrToInt(LBuf, 0);
  end;
  Result := True;
end;

initialization
  RegisterFTPListParser(TIdFTPLPMusic);
finalization
  RegisterFTPListParser(TIdFTPLPMusic)

end.