diff options
Diffstat (limited to 'buildscripts/phing/classes/phing/filters/XincludeFilter.php')
| -rw-r--r-- | buildscripts/phing/classes/phing/filters/XincludeFilter.php | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/filters/XincludeFilter.php b/buildscripts/phing/classes/phing/filters/XincludeFilter.php new file mode 100644 index 00000000..e2b3cd00 --- /dev/null +++ b/buildscripts/phing/classes/phing/filters/XincludeFilter.php @@ -0,0 +1,176 @@ +<?php + +/* + * $Id: 6c47e03d52cf26c183b05e347dac83735dd8c8dd $ + * + * 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'; + +/** + * Applies Xinclude parsing to incoming text. + * + * Uses PHP DOM XML support + * + * @author Bill Karwin <bill@karwin.com> + * @version $Id: 6c47e03d52cf26c183b05e347dac83735dd8c8dd $ + * @see FilterReader + * @package phing.filters + */ +class XincludeFilter extends BaseParamFilterReader implements ChainableReader { + + private $basedir = null; + + /** + * @var bool + */ + private $processed = false; + + /** + * Whether to resolve entities. + * + * @var bool + * + * @since 2.4 + */ + private $resolveExternals = false; + + /** + * Whether to resolve entities. + * + * @param $resolveExternals + * + * @since 2.4 + */ + public function setResolveExternals($resolveExternals) + { + $this->resolveExternals = (bool)$resolveExternals; + } + + /** + * @return bool + * + * @since 2.4 + */ + public function getResolveExternals() + { + return $this->resolveExternals; + } + + public function setBasedir(PhingFile $dir) + { + $this->basedir = $dir; + } + + public function getBasedir() + { + return $this->basedir; + } + + /** + * Reads stream, applies XSLT and returns resulting stream. + * @return string transformed buffer. + * @throws BuildException - if XSLT support missing, if error in xslt processing + */ + function read($len = null) { + + if (!class_exists('DomDocument')) { + throw new BuildException("Could not find the DomDocument class. Make sure PHP has been compiled/configured to support DOM XML."); + } + + if ($this->processed === true) { + return -1; // EOF + } + + // Read XML + $_xml = null; + while ( ($data = $this->in->read($len)) !== -1 ) + $_xml .= $data; + + if ($_xml === null ) { // EOF? + return -1; + } + + if (empty($_xml)) { + $this->log("XML file is empty!", Project::MSG_WARN); + return ''; + } + + $this->log("Transforming XML " . $this->in->getResource() . " using Xinclude ", Project::MSG_VERBOSE); + + $out = ''; + try { + $out = $this->process($_xml); + $this->processed = true; + } catch (IOException $e) { + throw new BuildException($e); + } + + return $out; + } + + /** + * Try to process the Xinclude transformation + * + * @param string XML to process. + * + * @throws BuildException On errors + */ + protected function process($xml) { + + if ($this->basedir) { + $cwd = getcwd(); + chdir($this->basedir); + } + + // Create and setup document. + $xmlDom = new DomDocument(); + $xmlDom->resolveExternals = $this->resolveExternals; + + $xmlDom->loadXML($xml); + + $xmlDom->xinclude(); + + if ($this->basedir) { + chdir($cwd); + } + + return $xmlDom->saveXML(); + } + + /** + * Creates a new XincludeFilter using the passed in + * Reader for instantiation. + * + * @param Reader A Reader object providing the underlying stream. + * Must not be <code>null</code>. + * + * @return Reader A new filter based on this configuration, but filtering + * the specified reader + */ + function chain(Reader $reader) { + $newFilter = new XincludeFilter($reader); + $newFilter->setProject($this->getProject()); + $newFilter->setBasedir($this->getBasedir()); + return $newFilter; + } + +} + + |