diff options
Diffstat (limited to 'buildscripts/phing/classes/phing/filters/TidyFilter.php')
| -rw-r--r-- | buildscripts/phing/classes/phing/filters/TidyFilter.php | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/filters/TidyFilter.php b/buildscripts/phing/classes/phing/filters/TidyFilter.php new file mode 100644 index 00000000..10d75fc4 --- /dev/null +++ b/buildscripts/phing/classes/phing/filters/TidyFilter.php @@ -0,0 +1,162 @@ +<?php +/* + * $Id: TidyFilter.php,v 1.2 2005/12/08 19:15:20 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'; + +/** + * This filter uses the bundled-with-PHP Tidy extension to filter input. + * + * <p> + * Example:<br/> + * <pre> + * <tidyfilter encoding="utf8"> + * <config name="indent" value="true"/> + * <config name="output-xhtml" value="true"/> + * </tidyfilter> + * </pre> + * + * @author Hans Lellelid <hans@xmpl.org> + * @version $Revision: 1.2 $ $Date: 2005/12/08 19:15:20 $ + * @package phing.filters + */ +class TidyFilter extends BaseParamFilterReader implements ChainableReader { + + /** @var string Encoding of resulting document. */ + private $encoding = 'utf8'; + + /** @var array Parameter[] */ + private $configParameters = array(); + + /** + * Set the encoding for resulting (X)HTML document. + * @param string $v + */ + public function setEncoding($v) { + $this->encoding = $v; + } + + /** + * Sets the config params. + * @param array Parameter[] + * @see chain() + */ + public function setConfigParameters($params) + { + $this->configParameters = $params; + } + + /** + * Adds a <config> element (which is a Parameter). + * @return Parameter + */ + public function createConfig() { + $num = array_push($this->configParameters, new Parameter()); + return $this->configParameters[$num-1]; + } + + /** + * Converts the Parameter objects being used to store configuration into a simle assoc array. + * @return array + */ + private function getDistilledConfig() { + $config = array(); + foreach($this->configParameters as $p) { + $config[$p->getName()] = $p->getValue(); + } + return $config; + } + + /** + * Reads input and returns Tidy-filtered output. + * + * @return the resulting stream, or -1 if the end of the resulting stream has been reached + * + * @throws IOException if the underlying stream throws an IOException + * during reading + */ + function read($len = null) { + + if (!class_exists('Tidy')) { + throw new BuildException("You must enable the 'tidy' extension in your PHP configuration in order to use the Tidy filter."); + } + + if ( !$this->getInitialized() ) { + $this->_initialize(); + $this->setInitialized(true); + } + + $buffer = $this->in->read($len); + if($buffer === -1) { + return -1; + } + + $config = $this->getDistilledConfig(); + + $tidy = new Tidy(); + $tidy->parseString($buffer, $config, $this->encoding); + $tidy->cleanRepair(); + + return tidy_get_output($tidy); + + } + + + /** + * Creates a new TidyFilter using the passed in Reader for instantiation. + * + * @param reader A Reader object providing the underlying stream. + * Must not be <code>null</code>. + * + * @return a new filter based on this configuration, but filtering + * the specified reader + */ + public function chain(Reader $reader) { + $newFilter = new TidyFilter($reader); + $newFilter->setConfigParameters($this->configParameters); + $newFilter->setEncoding($this->encoding); + $newFilter->setProject($this->getProject()); + return $newFilter; + } + + /** + * Initializes any parameters (e.g. config options). + * This method is only called when this filter is used through a <filterreader> tag in build file. + */ + private function _initialize() { + $params = $this->getParameters(); + if ($params) { + foreach($params as $param) { + if ($param->getType() == "config") { + $this->configParameters[] = $param; + } else { + + if ($param->getName() == "encoding") { + $this->setEncoding($param->getValue()); + } + + } + + } + } + } + +} |