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Diffstat (limited to 'buildscripts/phing/classes/phing/filters/StripLineBreaks.php')
| -rw-r--r-- | buildscripts/phing/classes/phing/filters/StripLineBreaks.php | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/filters/StripLineBreaks.php b/buildscripts/phing/classes/phing/filters/StripLineBreaks.php new file mode 100644 index 00000000..c5a06129 --- /dev/null +++ b/buildscripts/phing/classes/phing/filters/StripLineBreaks.php @@ -0,0 +1,148 @@ +<?php + +/* + * $Id: StripLineBreaks.php,v 1.8 2004/03/15 14:45:06 hlellelid Exp $ + * + * 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'; + +/** + * Filter to flatten the stream to a single line. + * + * Example: + * + * <pre><striplinebreaks/></pre> + * + * Or: + * + * <pre><filterreader classname="phing.filters.StripLineBreaks"/></pre> + * + * @author <a href="mailto:yl@seasonfive.com">Yannick Lecaillez</a> + * @author hans lellelid, hans@velum.net + * @version $Revision: 1.8 $ $Date: 2004/03/15 14:45:06 $ + * @access public + * @see BaseParamFilterReader + * @package phing.filters + */ +class StripLineBreaks extends BaseParamFilterReader implements ChainableReader { + + /** + * Default line-breaking characters. + * @var string + */ + const DEFAULT_LINE_BREAKS = "\r\n"; + + /** + * Parameter name for the line-breaking characters parameter. + * @var string + */ + const LINES_BREAKS_KEY = "linebreaks"; + + /** + * The characters that are recognized as line breaks. + * @var string + */ + private $_lineBreaks = "\r\n"; // self::DEFAULT_LINE_BREAKS; + + /** + * Returns the filtered stream, only including + * characters not in the set of line-breaking characters. + * + * @return mixed the resulting stream, or -1 + * if the end of the resulting stream has been reached. + * + * @exception IOException if the underlying stream throws an IOException + * during reading + */ + function read($len = null) { + if ( !$this->getInitialized() ) { + $this->_initialize(); + $this->setInitialized(true); + } + + $buffer = $this->in->read($len); + if($buffer === -1) { + return -1; + } + + $buffer = preg_replace("/[".$this->_lineBreaks."]/", '', $buffer); + + return $buffer; + } + + /** + * Sets the line-breaking characters. + * + * @param string $lineBreaks A String containing all the characters to be + * considered as line-breaking. + */ + function setLineBreaks($lineBreaks) { + $this->_lineBreaks = (string) $lineBreaks; + } + + /** + * Gets the line-breaking characters. + * + * @return string A String containing all the characters that are considered as line-breaking. + */ + function getLineBreaks() { + return $this->_lineBreaks; + } + + /** + * Creates a new StripLineBreaks 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) { + $newFilter = new StripLineBreaks($reader); + $newFilter->setLineBreaks($this->getLineBreaks()); + $newFilter->setInitialized(true); + $newFilter->setProject($this->getProject()); + return $newFilter; + } + + /** + * Parses the parameters to set the line-breaking characters. + */ + private function _initialize() { + $userDefinedLineBreaks = null; + $params = $this->getParameters(); + if ( $params !== null ) { + for($i = 0 ; $i<count($params) ; $i++) { + if ( self::LINE_BREAKS_KEY === $params[$i]->getName() ) { + $userDefinedLineBreaks = $params[$i]->getValue(); + break; + } + } + } + + if ( $userDefinedLineBreaks !== null ) { + $this->_lineBreaks = $userDefinedLineBreaks; + } + } +} + +?> |