Consulta herramienta para delphi

[beastmo]

Buenas gente, estoy utilizando delphi 7 y quiero agregar una herramienta que encontré en Internet. Tengo el código pero sinceramente no se bien como hacerlo, si me pueden dar una mano buenísimo. En teoría es para poder copiar código SQL, del gestor de bd por ejemplo, y pegarlo en delphi cumpliendo con los requisitos de formato.

Por ejemplo:

Código SQL [-]
SELECT 
  lname,
  fname,
  dob
FROM
  employees

 MySQLText =  'SELECT '+
  '  lname, '+
  '  fname, '+
  '  dob '+
  'FROM '+
  '  employees ';

Aparentemente es viejo pero lo quiero probar que tal funciona, me simplificaría bastante tiempo. Aprovecho la oportunidad para agradecer por la colaboración ya que constantemente estoy buscando información por acá. Gracias saludos

Les iba a adjuntar el link pero no puedo. Agrego el código así lo ven:

Código Delphi [-]
program ClipToStringConst;

// Remove the dot from the line below for a console app, 
// per Rob Kennedy's comment. It works fine without being
// a console app.
{.$APPTYPE CONSOLE}
uses
  Windows,
  Classes,
  Sysutils,
  APIClipboard;

const
  cIndent = '  '; // 2 spaces
  cSingleQuote = '''';
  EndChar : array [Boolean] of Char = ('+',';');

procedure Process;
var
  SL: TStringlist;
  i, max: Integer;
begin
  if ClipboardHasFormat( CF_TEXT ) then
  begin
    SL := TStringlist.Create;
    try
      SL.Text := ClipboardAsString;
      max := SL.count-1;
      for i:= 0 to max do
        SL[i] := cIndent +
                 AnsiQuotedStr( TrimRight(SL[i])+#32, cSingleQuote ) +
                 EndChar[i = max];
      StringToClipboard( SL.Text );
    finally
      SL.Free;
    end; { Finally }
  end;
end;

begin
  try
    Process;
  except
    on E: Exception do
      ShowException( E, ExceptAddr );
  end;
end.

Unit:

Código Delphi [-]
{== Unit APIClipboard =================================================}
{: Clipboard access routines using only API functions
@author Dr. Peter Below
@desc Version 1.0 created 5 Juli 2000

        Current revision 1.0

        Last modified 5 Juli 2000


This unit provides simply clipboard access routines that do not rely on
the VCL Clipbrd unit. That unit drags in Dialogs and Forms and a major
part of the VCL as a consequence, not appropriate for simple console
or non-form programs. This unit uses only API routines, the only VCL
units used are Classes (for exceptions and streams) and SysUtils.
}
{=====================================================================}

unit APIClipboard;

interface

uses
  Windows, Classes;

  procedure StringToClipboard( const S: String );
  function ClipboardAsString: String;
  procedure CopyDataToClipboard( fmt: DWORD; const data; datasize: Integer;
                                 emptyClipboardFirst: Boolean = true );
  procedure CopyDataFromClipboard( fmt: DWORD; S: TStream );
  function ClipboardHasFormat( fmt: DWORD ): Boolean;

implementation

uses
  Sysutils;

type
  {: This is an internal exception class used by the  }
  EClipboardError = class( Exception )
  public
    constructor Create( const msg: String );
  end;

resourcestring
  eSystemOutOfMemory =
    'could not allocate memory for clipboard data.';
  eLockfailed =
    'could not lock global memory handle.';
  eSetDataFailed =
    'could not copy data block to clipboard.';
  eCannotOpenClipboard =
    'could not open the clipboard.';
  eErrorTemplate =
    'APIClipboard: %s'#13#10+
    'System error code: %d'#13#10+
    'System error message: %s';

{-- EClipboardError.Create --------------------------------------------}
{: Creates a new EclipboardError object
@Param msg is the string to embed into the error message
@Precondition none
@Postcondition none
@desc Composes an error message that contains the passed message and the
  API error code and matching error message. The CreateFmt constructor
  inherited from the basic Exception class is used to do the work.
Created 5.7.2000 by P. Below
}{---------------------------------------------------------------------}

constructor EClipboardError.Create( const msg: String );
begin { Create }
  CreateFmt( eErrorTemplate,
               [msg, GetLastError, SysErrorMessage(GetLastError)] );
end; { EClipboardError.Create }

{-- DataToClipboard ---------------------------------------------------}
{: Copies a block of memory to the clipboard in a given format
@Param fmt is the clipboard format to use
@Param data is an untyped const parameter that addresses the data to copy
@Param datasize is the size of the data, in bytes
@Precondition The clipboard is already open. If not an EClipboardError
  will result. This precondition cannot be asserted, unfortunately.
@Postcondition Any previously exisiting data of this format will have
  been replaced by the new data, unless datasize was 0 or we run into an
  exception. In this case the clipboard will be unchanged.
@desc Uses API methods to allocate and lock a global memory block of
  approproate size, copies the data to it and submits the block to the
  clipboard. Any error on the way will raise an EClipboardError
  exception.

Created 5.7.2000 by P. Below
@Raises EClipboardError
}{---------------------------------------------------------------------}

procedure DataToClipboard( fmt: DWORD; Const data; datasize: Integer );
var
  hMem: THandle;
  pMem: Pointer;
begin { DataToClipboard }
  if datasize <= 0 then
    Exit;

  hMem := GlobalAlloc( GMEM_MOVEABLE or GMEM_SHARE or GMEM_ZEROINIT, datasize );
  if hmem = 0 then
    raise EClipboardError.Create( eSystemOutOfMemory );

  pMem := GlobalLock( hMem );
  if pMem = nil then
  begin
    GlobalFree( hMem );
    raise EClipboardError.Create( eLockFailed );
  end;

  Move( data, pMem^, datasize );
  GlobalUnlock( hMem );
  if SetClipboardData( fmt, hMem ) = 0 then
    raise EClipboardError( eSetDataFailed );

  // Note: API docs are unclear as to whether the memory block has
  // to be freed in case of failure. Since failure is unlikely here
  // lets blithly ignore this issue for now.
end; { DataToClipboard }

{-- DataFromClipboard -------------------------------------------------}
{: Copies data from the clipboard into a stream
@Param fmt is the clipboard format to look for
@Param S is the stream to copy to
@precondition S <> nil
@postcondition If data was copied the streams position will have moved
@desc Tries to get a memory block for the requested clipboard format.
Nothing
  further is done if this fails (because the format is not available or
  the clipboard is not open, we treat neither as error here), otherwise
  the memory handle is locked and the data copied into the stream. 

  Note that we cannot determine the actual size of the data originally
  copied to the clipboard, only the allocated size of the memory block!
  Since GlobalAlloc works with a granularity of 32 bytes the block may be
  larger than required for the data and thus the stream may contain some
  spurious bytes at the end. There is no guarantee that these bytes will
  be 0. 

  If the memory handle obtained from the clipboard cannot be locked we
  raise an  exception.
Created 5.7.2000 by P. Below
@Raises EClipboardError
}{---------------------------------------------------------------------}

procedure DataFromClipboard( fmt: DWORD; S: TStream );
var
  hMem: THandle;
  pMem: Pointer;
  datasize: DWORD;
begin { DataFromClipboard }
  Assert( Assigned( S ));
  hMem := GetClipboardData( fmt );
  if hMem <> 0 then
  begin
    datasize := GlobalSize( hMem );
    if datasize > 0 then
    begin
      pMem := GlobalLock( hMem );
      if pMem = nil then
        raise EclipboardError.Create( eLockFailed );
      try
        S.WriteBuffer( pMem^, datasize );
      finally
        GlobalUnlock( hMem );
      end;
    end;
  end;
end; { DatafromClipboard }

{-- CopyDataToClipboard -----------------------------------------------}
{: Copies a block of memory to the clipboard in a given format
@Param fmt is the clipboard format to use
@Param data is an untyped const parameter that addresses the data to copy
@Param datasize is the size of the data, in bytes
@Param emptyClipboardFirst determines if the clipboard should be emptied,
  true by default
@Precondition The clipboard must not be open already
@Postcondition If emptyClipboardFirst is true all prior data will be
  cleared from the clipboard, even if datasize is <= 0. The clipboard
  is closed again.
@desc Tries to open the clipboard, empties it if required and then tries to
  copy the passed data to the clipboard. This operation is a NOP if
  datasize <= 0. If the clipboard cannot be opened a 
  is raised.
Created 5.7.2000 by P. Below
@Raises EClipboardError
}{---------------------------------------------------------------------}

procedure CopyDataToClipboard( fmt: DWORD; const data; datasize: Integer;
                               emptyClipboardFirst: Boolean = true );
begin { CopyDataToClipboard }
  if OpenClipboard( 0 ) then
    try
      if emptyClipboardFirst then
        EmptyClipboard;
      DataToClipboard( fmt, data, datasize );
    finally
      CloseClipboard;
    end
  else
    raise EclipboardError.Create( eCannotOpenClipboard );
end; { CopyDataToClipboard }

{-- StringToClipboard -------------------------------------------------}
{: Copies a string to clipboard in CF_TEXT clipboard format
@Param S is the string to copy, it may be empty.
@Precondition The clipboard must not be open already.
@Postcondition Any prior clipboard content will be cleared, but only
  if S was not empty. The clipboard is closed again.
@desc Hands the brunt of the work off to ,
  but only if S was not empty. Otherwise nothing is done at all.

Created 5.7.2000 by P. Below
@Raises EClipboardError
}{---------------------------------------------------------------------}

procedure StringToClipboard( const S: String );
begin
  if Length(S) > 0 Then
    CopyDataToClipboard( CF_TEXT, S[1], Length(S)+1);
end; { StringToClipboard }

{-- CopyDataFromClipboard ---------------------------------------------}
{: Copies data from the clipboard into a stream
@Param fmt is the clipboard format to look for
@Param S is the stream to copy to
@Precondition S <> nil

  The clipboard must not be open already.
@Postcondition If data was copied the streams position will have moved.
  The clipboard is closed again.
@desc Tries to open the clipboard, and then tries to
  copy the data to the passed stream. This operation is a NOP if
  the clipboard does not contain data in the requested format.
  If the clipboard cannot be opened a 
  is raised.
Created 5.7.2000 by P. Below
@Raises EClipboardError
}{---------------------------------------------------------------------}

procedure CopyDataFromClipboard( fmt: DWORD; S: TStream );
begin { CopyDataFromClipboard }
  Assert( Assigned( S ));
  if OpenClipboard( 0 ) then
    try
      DataFromClipboard( fmt , S );
    finally
      CloseClipboard;
    end
  else
    raise EclipboardError.Create( eCannotOpenClipboard );
end; { CopyDataFromClipboard }

{-- ClipboardAsString -------------------------------------------------}
{: Returns any text contained on the clipboard
@Returns the clipboards content if it contained something in CF_TEXT
  format, or an empty string.
@Precondition The clipboard must not be already open
@Postcondition The clipboard is closed.
@desc If the clipboard contains data in CF_TEXT format it is copied to a
  temp memory stream, zero-terminated for good measure and copied into
  the result string.
Created 5.7.2000 by P. Below
@Raises EClipboardError
}{---------------------------------------------------------------------}

function ClipboardAsString: String;
const
  nullchar: Char = #0;
var
  ms: TMemoryStream;
begin { ClipboardAsString }
  if not IsClipboardFormatAvailable( CF_TEXT ) then
    Result := EmptyStr
  else
  begin
    ms:= TMemoryStream.Create;
    try
      CopyDataFromClipboard( CF_TEXT , ms );
      ms.Seek( 0, soFromEnd );
      ms.WriteBuffer( nullChar, Sizeof( nullchar ));
      Result := PChar( ms.Memory );
    finally
      ms.Free;
    end;
  end;
end; { ClipboardAsString }

{-- ClipboardHasFormat ------------------------------------------------}
{: Checks if the clipboard contains data in the specified format
@Param fmt is the format to check for
@Returns true if the clipboard contains data in this format, false
  otherwise
@Precondition none
@Postcondition none
@desc This is a simple wrapper around an API function.
Created 5.7.2000 by P. Below
}{---------------------------------------------------------------------}

function ClipboardHasFormat( fmt: DWORD ): Boolean;
begin { ClipboardHasFormat }
  Result := IsClipboardFormatAvailable( fmt );
end; { ClipboardHasFormat }

end.

[Neftali [Germán.Estévez]]

Empezado por beastmo

y quiero agregar una herramienta que encontré en Internet. Tengo el código pero sinceramente no se bien como hacerlo, si me pueden dar una mano buenísimo.

Y ¿Exactamente cual es el problema?
El programa funciona correctamente.

(1) Pegas un trozo de codigo SQL al portapapeles.

Código SQL [-]
SELECT matricula, marca, modelo, color, numero_kilometros, num_plazas 
FROM Coches
WHERE matricula = 'MF-234-ZD'   
OR matricula = 'FK-938-ZL';

(2) Ejecutas el programa.
(3) Y al pegar el texto en Delphi obtienes lo siguiente:

Código Delphi [-]
  'SELECT matricula, marca, modelo, color, numero_kilometros, num_plazas '+
  'FROM Coches '+
  'WHERE matricula = ''MF-234-ZD'' '+
  'OR matricula = ''FK-938-ZL''; ';

Basta con que crees un proyecto nuevo en Delphi.
(1) En el fichero DPR copias la priemara parte del código.
(2) Añades una unit con el código de la segunda parte.
(3) Compilas y listo.

El proyecto te lo he subido aquí.

[beastmo]

joyaa buenísimo, te habrá parecido una pavada pero no lo podía compilar. Se agradece mucho