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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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* Filter to flatten the stream to a single line. |
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* |
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* Example: |
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* |
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* <pre><striplinebreaks/></pre> |
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* |
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* Or: |
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* |
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* <pre><filterreader classname="phing.filters.StripLineBreaks"/></pre> |
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* |
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* @author <a href="mailto:[email protected]">Yannick Lecaillez</a> |
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* @author hans lellelid, [email protected] |
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* @see BaseParamFilterReader |
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* @package phing.filters |
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*/ |
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class StripLineBreaks extends BaseParamFilterReader implements ChainableReader |
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{ |
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/** |
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* Default line-breaking characters. |
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* |
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* @var string |
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*/ |
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const DEFAULT_LINE_BREAKS = "\r\n"; |
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/** |
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* Parameter name for the line-breaking characters parameter. |
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* |
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* @var string |
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*/ |
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const LINES_BREAKS_KEY = "linebreaks"; |
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/** |
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* The characters that are recognized as line breaks. |
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* |
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* @var string |
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*/ |
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private $lineBreaks = "\r\n"; // self::DEFAULT_LINE_BREAKS; |
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/** |
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* Returns the filtered stream, only including |
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* characters not in the set of line-breaking characters. |
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* |
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* @param int $len |
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* @return mixed the resulting stream, or -1 |
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* if the end of the resulting stream has been reached. |
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* |
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* @throws IOException if the underlying stream throws an IOException |
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* during reading |
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*/ |
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public function read($len = null) |
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{ |
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if (!$this->getInitialized()) { |
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$this->initialize(); |
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$this->setInitialized(true); |
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} |
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$buffer = $this->in->read($len); |
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if ($buffer === -1) { |
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return -1; |
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} |
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$buffer = preg_replace("/[" . $this->lineBreaks . "]/", '', $buffer); |
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return $buffer; |
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} |
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/** |
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* Sets the line-breaking characters. |
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* |
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* @param string $lineBreaks A String containing all the characters to be |
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* considered as line-breaking. |
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*/ |
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public function setLineBreaks($lineBreaks) |
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{ |
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$this->lineBreaks = (string) $lineBreaks; |
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} |
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/** |
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* Gets the line-breaking characters. |
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* |
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* @return string A String containing all the characters that are considered as line-breaking. |
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*/ |
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public function getLineBreaks() |
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{ |
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return $this->lineBreaks; |
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} |
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/** |
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* Creates a new StripLineBreaks using the passed in |
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* Reader for instantiation. |
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* |
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* @param Reader $reader |
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* @return StripLineBreaks A new filter based on this configuration, but filtering |
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* the specified reader |
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* @internal param A $object Reader object providing the underlying stream. |
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* Must not be <code>null</code>. |
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*/ |
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public function chain(Reader $reader): Reader |
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{ |
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$newFilter = new StripLineBreaks($reader); |
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$newFilter->setLineBreaks($this->getLineBreaks()); |
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$newFilter->setInitialized(true); |
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$newFilter->setProject($this->getProject()); |
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return $newFilter; |
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} |
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/** |
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* Parses the parameters to set the line-breaking characters. |
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*/ |
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private function initialize() |
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{ |
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$userDefinedLineBreaks = null; |
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$params = $this->getParameters(); |
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if ($params !== null) { |
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for ($i = 0, $paramsCount = count($params); $i < $paramsCount; $i++) { |
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if (self::LINES_BREAKS_KEY === $params[$i]->getName()) { |
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$userDefinedLineBreaks = $params[$i]->getValue(); |
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break; |
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} |
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} |
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} |
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if ($userDefinedLineBreaks !== null) { |
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$this->lineBreaks = $userDefinedLineBreaks; |
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} |
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} |
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} |
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phingofficial /
phing
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