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<?php
/*
* $Id: ExpandProperties.php,v 1.6 2004/07/14 17:14:15 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/filters/BaseFilterReader.php';
include_once 'phing/filters/ChainableReader.php';
/**
* Expands Phing Properties, if any, in the data.
* <p>
* Example:<br>
* <pre><expandproperties/></pre>
* Or:
* <pre><filterreader classname="phing.filters.ExpandProperties'/></pre>
*
* @author Yannick Lecaillez <yl@seasonfive.com>
* @author Hans Lellelid <hans@xmpl.org>
* @version $Revision: 1.6 $
* @see BaseFilterReader
* @package phing.filters
*/
class ExpandProperties extends BaseFilterReader implements ChainableReader {
/**
* Returns the filtered stream.
* The original stream is first read in fully, and the Phing properties are expanded.
*
* @return mixed the filtered stream, or -1 if the end of the resulting stream has been reached.
*
* @exception IOException if the underlying stream throws an IOException
* during reading
*/
function read($len = null) {
$buffer = $this->in->read($len);
if($buffer === -1) {
return -1;
}
$project = $this->getProject();
$buffer = ProjectConfigurator::replaceProperties($project, $buffer, $project->getProperties());
return $buffer;
}
/**
* Creates a new ExpandProperties filter using the passed in
* Reader for instantiation.
*
* @param object A Reader object providing the underlying stream.
* Must not be <code>null</code>.
*
* @return object A new filter based on this configuration, but filtering
* the specified reader
*/
function chain(Reader $reader) {
$newFilter = new ExpandProperties($reader);
$newFilter->setProject($this->getProject());
return $newFilter;
}
}
?>
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