Subversion-Projekte lars-tiefland.php_share

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<?php
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/*
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 *  $Id: InputTask.php 43 2006-03-10 14:31:51Z mrook $
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * This software consists of voluntary contributions made by many individuals
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 * and is licensed under the LGPL. For more information please see
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 * <http://phing.info>.
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 */
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require_once 'phing/Task.php';
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include_once 'phing/input/InputRequest.php';
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include_once 'phing/input/YesNoInputRequest.php';
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include_once 'phing/input/MultipleChoiceInputRequest.php';
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/**
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 * Reads input from the InputHandler.
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 *
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 * @see       Project::getInputHandler()
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 * @author    Hans Lellelid <hans@xmpl.org> (Phing)
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 * @author    Ulrich Schmidt <usch@usch.net> (Ant)
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 * @author    Stefan Bodewig <stefan.bodewig@epost.de> (Ant)
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 * @version   $Revision: 1.6 $
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 * @package   phing.tasks.system
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 */
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class InputTask extends Task {
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    private $validargs;
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    private $message = ""; // required
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    private $propertyName; // required
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    private $defaultValue;
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    private $promptChar;
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    /**
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     * Defines valid input parameters as comma separated strings. If set, input
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     * task will reject any input not defined as accepted and requires the user
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     * to reenter it. Validargs are case sensitive. If you want 'a' and 'A' to
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     * be accepted you need to define both values as accepted arguments.
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     *
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     * @param validargs A comma separated String defining valid input args.
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     */
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    public function setValidargs ($validargs) {
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        $this->validargs = $validargs;
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    }
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    /**
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     * Defines the name of a property to be set from input.
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     *
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     * @param string $name Name for the property to be set from input
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     */
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    public function setPropertyName($name) {
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        $this->propertyName = $name;
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    }
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    /**
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     * Sets the Message which gets displayed to the user during the build run.
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     * @param message The message to be displayed.
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     */
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    public function setMessage ($message) {
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        $this->message = $message;
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    }
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    /**
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     * Set a multiline message.
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     */
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    public function addText($msg) {
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        $this->message .= $this->project->replaceProperties($msg);
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    }
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    /**
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     * Add a default value.
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     * @param string $v
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     */
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    public function setDefaultValue($v) {
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        $this->defaultValue = $v;
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    }
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    /**
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     * Set the character/string to use for the prompt.
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     * @param string $c
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     */
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    public function setPromptChar($c) {
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        $this->promptChar = $c;
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    }
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    /**
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     * Actual method executed by phing.
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     * @throws BuildException
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     */
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    public function main() {
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        if ($this->propertyName === null) {
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            throw new BuildException("You must specify a value for propertyName attribute.");
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        }
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        if ($this->validargs !== null) {
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            $accept = preg_split('/[\s,]+/', $this->validargs);
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            // is it a boolean (yes/no) inputrequest?
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            $yesno = false;
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            if (count($accept) == 2) {
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                $yesno = true;
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                foreach($accept as $ans) {
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                    if(!StringHelper::isBoolean($ans)) {
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                        $yesno = false;
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                        break;
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                    }
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                }
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            }
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            if ($yesno) $request = new YesNoInputRequest($this->message, $accept);
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            else $request = new MultipleChoiceInputRequest($this->message, $accept);
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        } else {
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            $request = new InputRequest($this->message);
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        }
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        // default default is curr prop value
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        $request->setDefaultValue($this->project->getProperty($this->propertyName));
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        $request->setPromptChar($this->promptChar);
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        // unless overridden...
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        if ($this->defaultValue !== null) {
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            $request->setDefaultValue($this->defaultValue);
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        }
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        $this->project->getInputHandler()->handleInput($request);
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        $value = $request->getInput();
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        if ($value !== null) {
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            $this->project->setUserProperty($this->propertyName, $value);
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        }
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    }
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}