/usr/share/php/ezc/ConsoleTools/dialog_viewer.php is in php-zeta-console-tools 1.7-1.
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/**
* File containing the ezcConsoleDialogViewer class.
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
* @package ConsoleTools
* @version //autogentag//
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
* @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 //autogen//
*/
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;
}
}
?>
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