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<?php
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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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/**
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* Expands Phing Properties, if any, in the data.
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* <p>
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* Example:<br>
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* <pre><expandproperties/></pre>
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* Or:
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* <pre><filterreader classname="phing.filters.ExpandProperties'/></pre>
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*
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* @author Yannick Lecaillez <yl@seasonfive.com>
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* @author Hans Lellelid <hans@xmpl.org>
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* @see BaseFilterReader
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* @package phing.filters
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*/
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class ExpandProperties extends BaseFilterReader implements ChainableReader
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{
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/**
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* Returns the filtered stream.
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* The original stream is first read in fully, and the Phing properties are expanded.
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*
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* @param int $len
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* @return mixed the filtered stream, or -1 if the end of the resulting stream has been reached.
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*
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* @throws IOException if the underlying stream throws an IOException
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* during reading
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*/
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public function read($len = null)
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{
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$buffer = $this->in->read($len);
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if ($buffer === -1) {
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return -1;
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}
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/**
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* @var Project $project
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*/
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$project = $this->getProject();
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$buffer = $project->replaceProperties($buffer);
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return $buffer;
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}
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/**
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* Creates a new ExpandProperties filter using the passed in
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* Reader for instantiation.
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*
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* @param Reader $reader A Reader object providing the underlying stream.
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* Must not be <code>null</code>.
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*
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* @return ExpandProperties A new filter based on this configuration, but filtering
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* the specified reader
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*/
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public function chain(Reader $reader): Reader
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{
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$newFilter = new self($reader);
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$newFilter->setProject($this->getProject());
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return $newFilter;
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}
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}
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siad007