diff options
Diffstat (limited to 'buildscripts/phing/classes/phing/input/DefaultInputHandler.php')
-rw-r--r-- | buildscripts/phing/classes/phing/input/DefaultInputHandler.php | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/input/DefaultInputHandler.php b/buildscripts/phing/classes/phing/input/DefaultInputHandler.php new file mode 100644 index 00000000..8ce76cdd --- /dev/null +++ b/buildscripts/phing/classes/phing/input/DefaultInputHandler.php @@ -0,0 +1,82 @@ +<?php + +/* + * $Id: DefaultInputHandler.php,v 1.6 2004/02/27 18:49:13 hlellelid Exp $ + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * This software consists of voluntary contributions made by many individuals + * and is licensed under the LGPL. For more information please see + * <http://phing.info>. + */ + +require_once 'phing/input/InputHandler.php'; +include_once 'phing/system/io/ConsoleReader.php'; + +/** + * Prompts using print(); reads input from Console. + * + * @author Hans Lellelid <hans@xmpl.org> (Phing) + * @author Stefan Bodewig <stefan.bodewig@epost.de> (Ant) + * @version $Revision: 1.6 $ + * @package phing.input + */ +class DefaultInputHandler implements InputHandler { + + /** + * Prompts and requests input. May loop until a valid input has + * been entered. + * @throws BuildException + */ + public function handleInput(InputRequest $request) { + $prompt = $this->getPrompt($request); + $in = new ConsoleReader(); + do { + print $prompt; + try { + $input = $in->readLine(); + if ($input === "" && ($request->getDefaultValue() !== null) ) { + $input = $request->getDefaultValue(); + } + $request->setInput($input); + } catch (Exception $e) { + throw new BuildException("Failed to read input from Console.", $e); + } + } while (!$request->isInputValid()); + } + + /** + * Constructs user prompt from a request. + * + * <p>This implementation adds (choice1,choice2,choice3,...) to the + * prompt for <code>MultipleChoiceInputRequest</code>s.</p> + * + * @param $request the request to construct the prompt for. + * Must not be <code>null</code>. + */ + protected function getPrompt(InputRequest $request) { + $prompt = $request->getPrompt(); + + // use is_a() to avoid needing the class to be loaded + if (is_a($request, 'YesNoInputRequest')) { // (yes/no) + $prompt .= '(' . implode('/', $request->getChoices()) .')'; + } elseif (is_a($request, 'MultipleChoiceInputRequest')) { // (a,b,c,d) + $prompt .= '(' . implode(',', $request->getChoices()) . ')'; + } + if ($request->getDefaultValue() !== null) { + $prompt .= ' ['.$request->getDefaultValue().']'; + } + $pchar = $request->getPromptChar(); + return $prompt . ($pchar ? $pchar . ' ' : ' '); + } +} |