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Diffstat (limited to 'buildscripts/phing/classes/phing/filters/BaseFilterReader.php')
| -rw-r--r-- | buildscripts/phing/classes/phing/filters/BaseFilterReader.php | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/filters/BaseFilterReader.php b/buildscripts/phing/classes/phing/filters/BaseFilterReader.php new file mode 100644 index 00000000..c9f8c619 --- /dev/null +++ b/buildscripts/phing/classes/phing/filters/BaseFilterReader.php @@ -0,0 +1,157 @@ +<?php + +/* + * $Id: BaseFilterReader.php,v 1.8 2004/05/20 02:24:10 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/system/io/FilterReader.php'; +include_once 'phing/system/io/StringReader.php'; + + +/** + * Base class for core filter readers. + * + * @author <a href="mailto:yl@seasonfive.com">Yannick Lecaillez</a> + * @version $Revision: 1.8 $ $Date: 2004/05/20 02:24:10 $ + * @access public + * @see FilterReader + * @package phing.filters + */ +class BaseFilterReader extends FilterReader { + + /** Have the parameters passed been interpreted? */ + protected $initialized = false; + + /** The Phing project this filter is part of. */ + protected $project = null; + + /** + * Constructor used by Phing's introspection mechanism. + * The original filter reader is only used for chaining + * purposes, never for filtering purposes (and indeed + * it would be useless for filtering purposes, as it has + * no real data to filter). ChainedReaderHelper uses + * this placeholder instance to create a chain of real filters. + * + * @param Reader $in + */ + function __construct($in = null) { + if ($in === null) { + $dummy = ""; + $in = new StringReader($dummy); + } + parent::__construct($in); + } + + /** + * Returns the initialized status. + * + * @return boolean whether or not the filter is initialized + */ + function getInitialized() { + return $this->initialized; + } + + /** + * Sets the initialized status. + * + * @param boolean $initialized Whether or not the filter is initialized. + */ + function setInitialized($initialized) { + $this->initialized = (boolean) $initialized; + } + + /** + * Sets the project to work with. + * + * @param object $project The project this filter is part of. + * Should not be <code>null</code>. + */ + function setProject(Project $project) { + // type check, error must never occur, bad code of it does + $this->project = $project; + } + + /** + * Returns the project this filter is part of. + * + * @return object The project this filter is part of + */ + function getProject() { + return $this->project; + } + + /** + * Reads characters. + * + * @param off Offset at which to start storing characters. + * @param len Maximum number of characters to read. + * + * @return Characters read, or -1 if the end of the stream + * has been reached + * + * @throws IOException If an I/O error occurs + */ + function read($len = null) { + return $this->in->read($len); + } + + /** + * Reads a line of text ending with '\n' (or until the end of the stream). + * The returned String retains the '\n'. + * + * @return the line read, or <code>null</code> if the end of the + stream has already been reached + * + * @throws IOException if the underlying reader throws one during + * reading + */ + function readLine() { + $line = null; + + while ( ($ch = $this->in->read(1)) !== -1 ) { + $line .= $ch; + if ( $ch === "\n" ) + break; + } + + return $line; + } + + /** + * Returns whether the end of file has been reached with input stream. + * @return boolean + */ + function eof() { + return $this->in->eof(); + } + + /** + * Convenience method to support logging in filters. + * @param string $msg Message to log. + * @param int $level Priority level. + */ + function log($msg, $level = PROJECT_MSG_INFO) { + if ($this->project !== null) { + $this->project->log("[filter:".get_class($this)."] ".$msg, $level); + } + } +} + +?> |