AlkantarClanX12
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<?php
/**
* File containing the ezcConsoleDialogViewer class.
*
* @package ConsoleTools
* @version 1.6.1
* @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved.
* @license http://ez.no/licenses/new_bsd New BSD License
* @filesource
*/
/**
* Utility class for ezcConsoleDialog implementations.
* This class contains utility methods for working with {@link
* ezcConsoleDialog} implementations.
*
* To display a dialog in a loop until a valid result is received do:
* <code>
* // Instatiate dialog in $dialog ...
* ezcConsoleDialogViewer::displayDialog( $dialog );
* </code>
*
* For implementing a custom dialog, the method {@link readLine()} method can be
* used to read a line of input from the user.
*
* @package ConsoleTools
* @version 1.6.1
*/
class ezcConsoleDialogViewer
{
/**
* Displays a dialog and returns a valid result from it.
* This methods displays a dialog in a loop, until it received a valid
* result from it and returns this result.
*
* @param ezcConsoleDialog $dialog The dialog to display.
* @return mixed The result from this dialog.
*/
public static function displayDialog( ezcConsoleDialog $dialog )
{
do
{
$dialog->display();
}
while ( $dialog->hasValidResult() === false );
return $dialog->getResult();
}
/**
* Returns a line from STDIN.
* The returned line is fully trimmed.
*
* @return string
* @throws ezcConsoleDialogAbortException
* if the user closes STDIN using <CTRL>-D.
*/
public static function readLine()
{
$res = trim( fgets( STDIN ) );
if ( feof( STDIN ) )
{
throw new ezcConsoleDialogAbortException();
}
return $res;
}
}
?>