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<?php
/*
* $Id: 9c0d703f08f0160b6a699d328a6025587877e104 $
*
* 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>.
*/
include_once 'phing/filters/BaseParamFilterReader.php';
include_once 'phing/filters/ChainableReader.php';
/**
* Encode data from <code>in</code> encoding to <code>out</code> encoding.
*
* Example:
* <pre>
* <iconvfilter inputencoding="UTF-8" outputencoding="CP1251" />
* </pre>
* Or:
* <pre>
* <filterreader classname="phing.filters.IconvFilter">
* <param name="inputencoding" value="UTF-8" />
* <param name="outputencoding" value="CP1251" />
* </filterreader>
* </pre>
*
* @author Alexey Shockov, <alexey@shockov.com>
* @version $Id$
* @package phing.filters
*/
class IconvFilter
extends BaseParamFilterReader
implements ChainableReader {
private $_inputEncoding;
private $_outputEncoding;
/**
* Returns first n lines of stream.
* @return the resulting stream, or -1
* if the end of the resulting stream has been reached
*
* @exception IOException if the underlying stream throws an IOException
* during reading
*/
function read($len = null) {
$this->_initialize();
// Process whole text at once.
$text = null;
while (($data = $this->in->read($len)) !== -1) {
$text .= $data;
}
// At the end.
if (null === $text) {
return -1;
}
$this->log(
"Encoding " . $this->in->getResource() . " from " . $this->getInputEncoding() . " to " . $this->getOutputEncoding(),
Project::MSG_VERBOSE
);
return iconv($this->_inputEncoding, $this->_outputEncoding, $text);
}
/**
*
* @param string $encoding Input encoding.
*/
public function setInputEncoding($encoding) {
$this->_inputEncoding = $encoding;
}
/**
*
* @return string
*/
public function getInputEncoding() {
return $this->_inputEncoding;
}
/**
*
* @param string $encoding Output encoding.
*/
public function setOutputEncoding($encoding) {
$this->_outputEncoding = $encoding;
}
/**
*
* @return string
*/
public function getOutputEncoding() {
return $this->_outputEncoding;
}
/**
* Creates a new IconvFilter 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) {
$filter = new self($reader);
$filter->setInputEncoding($this->getInputEncoding());
$filter->setOutputEncoding($this->getOutputEncoding());
$filter->setInitialized(true);
$filter->setProject($this->getProject());
return $filter;
}
/**
* Configuring object from the parameters list.
*/
private function _initialize() {
if ($this->getInitialized()) {
return;
}
$params = $this->getParameters();
if ($params !== null) {
foreach ($params as $param) {
if ('in' == $param->getName()) {
$this->setInputEncoding($param->getValue());
} else if ('out' == $param->getName()) {
$this->setOutputEncoding($param->getValue());
}
}
}
$this->setInitialized(true);
}
}
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