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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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* Applies a native php function to the original input. |
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* |
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* Example: |
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* <pre><phparraymaplines function="strtoupper"/></pre> |
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* |
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* Or: |
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* |
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* <pre><filterreader classname="phing.filters.PhpArrayMapLines"> |
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* <param name="function" value="strtoupper"/> |
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* </filterreader></pre> |
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* |
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* @author Siad Ardroumli <[email protected]> |
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* @package phing.filters |
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*/ |
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class PhpArrayMapLines extends BaseParamFilterReader implements ChainableReader |
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{ |
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/** |
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* Parameter name for the function. |
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* |
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* @var string |
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*/ |
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const FUNCTION_KEY = "function"; |
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/** |
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* The function to be used. |
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* |
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* @var string |
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*/ |
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private $function = null; |
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/** |
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* Applies a native php function to the original input and returns resulting stream. |
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* |
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* @param int $len |
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* @return mixed buffer, -1 on EOF |
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*/ |
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public function read($len = null) |
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{ |
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if (!$this->getInitialized()) { |
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$this->initialize(); |
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$this->checkAttributes(); |
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$this->setInitialized(true); |
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} |
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$buffer = $this->in->read($len); |
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if ($buffer === -1 || !function_exists($this->function)) { |
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return -1; |
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} |
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$lines = explode("\n", $buffer); |
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$filtered = array_map($this->function, $lines); |
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$filtered_buffer = implode("\n", $filtered); |
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return $filtered_buffer; |
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} |
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/** |
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* Sets the function used by array_map. |
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* |
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* @param string $function The function used by array_map. |
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*/ |
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public function setFunction($function) |
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{ |
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$this->function = (string) $function; |
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} |
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/** |
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* Returns the prefix which will be added at the start of each input line. |
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* |
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* @return string The prefix which will be added at the start of each input line |
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*/ |
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public function getFunction() |
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{ |
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return $this->function; |
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} |
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/** |
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* Make sure that required attributes are set. |
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* |
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* @throws BuildException - if any required attribs aren't set. |
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*/ |
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protected function checkAttributes() |
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{ |
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if (!$this->function) { |
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throw new BuildException("You must specify a value for the 'function' attribute."); |
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} |
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} |
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/** |
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* Creates a new PhpArrayMapLines filter using the passed in |
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* Reader for instantiation. |
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* |
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* @param Reader $reader 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 PhpArrayMapLines 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 PhpArrayMapLines($reader); |
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$newFilter->setFunction($this->getFunction()); |
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$newFilter->setInitialized(true); |
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$newFilter->setProject($this->getProject()); |
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return $newFilter; |
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} |
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/** |
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* Initializes the function if it is available from the parameters. |
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*/ |
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private function initialize() |
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{ |
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$params = $this->getParameters(); |
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if ($params !== null) { |
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for ($i = 0, $_i = count($params); $i < $_i; $i++) { |
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if (self::FUNCTION_KEY == $params[$i]->getName()) { |
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$this->function = (string) $params[$i]->getValue(); |
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break; |
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} |
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} |
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} |
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} |
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} |
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phingofficial /
phing
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