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Diffstat (limited to 'buildscripts/phing/classes/phing/filters/TailFilter.php')
-rwxr-xr-x | buildscripts/phing/classes/phing/filters/TailFilter.php | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/buildscripts/phing/classes/phing/filters/TailFilter.php b/buildscripts/phing/classes/phing/filters/TailFilter.php deleted file mode 100755 index 95a9c6f5..00000000 --- a/buildscripts/phing/classes/phing/filters/TailFilter.php +++ /dev/null @@ -1,157 +0,0 @@ -<?php - -/* - * $Id: 3c108d45a4b3be6f6b9a395477e7641d8e17c44b $ - * - * 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>. -*/ - -require_once 'phing/filters/BaseParamFilterReader.php'; - -/** - * Reads the last <code>n</code> lines of a stream. (Default is last10 lines.) - * - * Example: - * - * <pre><tailfilter lines="3" /></pre> - * - * Or: - * - * <pre><filterreader classname="phing.filters.TailFilter"> - * <param name="lines" value="3"> - * </filterreader></pre> - * - * @author <a href="mailto:yl@seasonfive.com">Yannick Lecaillez</a> - * @author hans lellelid, hans@velum.net - * @copyright � 2003 seasonfive. All rights reserved - * @version $Id$ - * @see BaseParamFilterReader - * @package phing.filters - */ -class TailFilter extends BaseParamFilterReader implements ChainableReader { - - /** - * Parameter name for the number of lines to be returned. - * @var string - */ - const LINES_KEY = "lines"; - - - /** - * Number of lines to be returned in the filtered stream. - * @var integer - */ - private $_lines = 10; - - /** - * Array to hold lines. - * @var array - */ - private $_lineBuffer = array(); - - /** - * Returns the last n lines of a file. - * @param int $len Num chars to read. - * @return mixed The filtered buffer or -1 if EOF. - */ - function read($len = null) { - - while ( ($buffer = $this->in->read($len)) !== -1 ) { - // Remove the last "\n" from buffer for - // prevent explode to add an empty cell at - // the end of array - $buffer= trim($buffer, "\n"); - - $lines = explode("\n", $buffer); - - if ( count($lines) >= $this->_lines ) { - // Buffer have more (or same) number of lines than needed. - // Fill lineBuffer with the last "$this->_lines" lasts ones. - $off = count($lines)-$this->_lines; - $this->_lineBuffer = array_slice($lines, $off); - } else { - // Some new lines ... - // Prepare space for insert these new ones - $this->_lineBuffer = array_slice($this->_lineBuffer, count($lines)-1); - $this->_lineBuffer = array_merge($this->_lineBuffer, $lines); - } - } - - if ( empty($this->_lineBuffer) ) - $ret = -1; - else { - $ret = implode("\n", $this->_lineBuffer); - $this->_lineBuffer = array(); - } - - return $ret; - } - - /** - * Sets the number of lines to be returned in the filtered stream. - * - * @param integer $lines the number of lines to be returned in the filtered stream. - */ - function setLines($lines) { - $this->_lines = (int) $lines; - } - - /** - * Returns the number of lines to be returned in the filtered stream. - * - * @return integer The number of lines to be returned in the filtered stream. - */ - function getLines() { - return $this->_lines; - } - - /** - * Creates a new TailFilter 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) { - $newFilter = new TailFilter($reader); - $newFilter->setLines($this->getLines()); - $newFilter->setInitialized(true); - $newFilter->setProject($this->getProject()); - return $newFilter; - } - - /** - * Scans the parameters list for the "lines" parameter and uses - * it to set the number of lines to be returned in the filtered stream. - */ - private function _initialize() { - $params = $this->getParameters(); - if ( $params !== null ) { - for($i=0, $_i=count($params); $i < $_i; $i++) { - if ( self::LINES_KEY == $params[$i]->getName() ) { - $this->_lines = (int) $params[$i]->getValue(); - break; - } - } - } - } -} - - |