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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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* Encode data from <code>in</code> encoding to <code>out</code> encoding.
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*
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* Example:
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* <pre>
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* <iconvfilter inputencoding="UTF-8" outputencoding="CP1251" />
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* </pre>
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* Or:
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* <pre>
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* <filterreader classname="phing.filters.IconvFilter">
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* <param name="inputencoding" value="UTF-8" />
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* <param name="outputencoding" value="CP1251" />
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* </filterreader>
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* </pre>
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*
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* @author Alexey Shockov, <alexey@shockov.com>
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* @package phing.filters
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*/
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class IconvFilter extends BaseParamFilterReader implements ChainableReader
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{
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private $inputEncoding;
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private $outputEncoding;
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/**
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* Returns first n lines of stream.
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*
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* @param int $len
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* @return string Characters read, or -1 if the end of the stream has been reached
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*
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* @throws IOException if the underlying stream throws an IOException
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* during reading
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*/
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public function read($len = null)
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{
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$this->initialize();
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// Process whole text at once.
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$text = null;
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while (($data = $this->in->read($len)) !== -1) {
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$text .= $data;
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}
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// At the end.
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if (null === $text) {
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return -1;
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}
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$this->log(
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"Encoding " . $this->in->getResource() . " from " . $this->getInputEncoding() . " to " . $this->getOutputEncoding(),
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Project::MSG_VERBOSE
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);
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return iconv($this->inputEncoding, $this->outputEncoding, $text);
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}
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/**
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*
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* @param string $encoding Input encoding.
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*/
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public function setInputEncoding($encoding)
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{
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$this->inputEncoding = $encoding;
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}
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/**
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*
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* @return string
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*/
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public function getInputEncoding()
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{
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return $this->inputEncoding;
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}
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/**
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*
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* @param string $encoding Output encoding.
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*/
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public function setOutputEncoding($encoding)
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{
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$this->outputEncoding = $encoding;
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}
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/**
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*
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* @return string
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*/
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public function getOutputEncoding()
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{
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return $this->outputEncoding;
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}
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/**
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* Creates a new IconvFilter using the passed in Reader for instantiation.
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*
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* @param Reader $reader
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* @return self A new filter based on this configuration, but filtering the specified reader.
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* @internal param A $object Reader object providing the underlying stream. Must not be <code>null</code>.
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*/
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public function chain(Reader $reader): Reader
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{
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$filter = new self($reader);
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$filter->setInputEncoding($this->getInputEncoding());
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$filter->setOutputEncoding($this->getOutputEncoding());
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$filter->setInitialized(true);
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$filter->setProject($this->getProject());
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return $filter;
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}
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/**
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* Configuring object from the parameters list.
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*/
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private function initialize()
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{
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if ($this->getInitialized()) {
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return;
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}
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$params = $this->getParameters();
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if ($params !== null) {
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foreach ($params as $param) {
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if ('in' === $param->getName()) {
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$this->setInputEncoding($param->getValue());
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} else {
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if ('out' === $param->getName()) {
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$this->setOutputEncoding($param->getValue());
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}
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}
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}
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}
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$this->setInitialized(true);
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}
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}
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siad007