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Diffstat (limited to 'buildscripts/phing/classes/phing/parser/AbstractSAXParser.php')
| -rw-r--r-- | buildscripts/phing/classes/phing/parser/AbstractSAXParser.php | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/parser/AbstractSAXParser.php b/buildscripts/phing/classes/phing/parser/AbstractSAXParser.php new file mode 100644 index 00000000..60cf0c11 --- /dev/null +++ b/buildscripts/phing/classes/phing/parser/AbstractSAXParser.php @@ -0,0 +1,140 @@ +<?php +/* + * $Id: AbstractSAXParser.php,v 1.13 2004/03/20 03:33:06 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>. + */ + +/** + * The abstract SAX parser class. + * + * This class represents a SAX parser. It is a abstract calss that must be + * implemented by the real parser that must extend this class + * + * @author Andreas Aderhold <andi@binarycloud.com> + * @author Hans Lellelid <hans@xmpl.org> + * @copyright © 2001,2002 THYRELL. All rights reserved + * @version $Revision: 1.13 $ + * @package phing.parser + */ +abstract class AbstractSAXParser { + + /** The AbstractHandler object. */ + protected $handler; + + /** + * Constructs a SAX parser + */ + function __construct() {} + + /** + * Sets options for PHP interal parser. Must be implemented by the parser + * class if it should be used. + */ + abstract function parserSetOption($opt, $val); + + /** + * Sets the current element handler object for this parser. Usually this + * is an object using extending "AbstractHandler". + * + * @param AbstractHandler $obj The handler object. + */ + function setHandler( $obj) { + $this->handler = $obj; + } + + /** + * Method that gets invoked when the parser runs over a XML start element. + * + * This method is called by PHP's internal parser funcitons and registered + * in the actual parser implementation. + * It gives control to the current active handler object by calling the + * <code>startElement()</code> method. + * + * BECAUSE OF PROBLEMS WITH EXCEPTIONS BUBBLING UP THROUGH xml_parse() THIS + * METHOD WILL CALL Phing::halt(-1) ON EXCEPTION. + * + * @param object the php's internal parser handle + * @param string the open tag name + * @param array the tag's attributes if any + */ + function startElement($parser, $name, $attribs) { + try { + $this->handler->startElement($name, $attribs); + } catch (Exception $e) { + print "[Exception in XML parsing]\n"; + print $e; + Phing::halt(-1); + } + } + + /** + * Method that gets invoked when the parser runs over a XML close element. + * + * This method is called by PHP's internal parser funcitons and registered + * in the actual parser implementation. + * + * It gives control to the current active handler object by calling the + * <code>endElement()</code> method. + * + * BECAUSE OF PROBLEMS WITH EXCEPTIONS BUBBLING UP THROUGH xml_parse() THIS + * METHOD WILL CALL Phing::halt(-1) ON EXCEPTION. + * + * @param object the php's internal parser handle + * @param string the closing tag name + */ + function endElement($parser, $name) { + try { + $this->handler->endElement($name); + } catch (Exception $e) { + print "[Exception in XML parsing]\n"; + print $e; + Phing::halt(-1); + } + } + + /** + * Method that gets invoked when the parser runs over CDATA. + * + * This method is called by PHP's internal parser functions and registered + * in the actual parser implementation. + * + * It gives control to the current active handler object by calling the + * <code>characters()</code> method. That processes the given CDATA. + * + * BECAUSE OF PROBLEMS WITH EXCEPTIONS BUBBLING UP THROUGH xml_parse() THIS + * METHOD WILL CALL Phing::halt(-1) ON EXCEPTION. + * + * @param resource $parser php's internal parser handle. + * @param string $data the CDATA + */ + function characters($parser, $data) { + try { + $this->handler->characters($data); + } catch (Exception $e) { + print "[Exception in XML parsing]\n"; + print $e; + Phing::halt(-1); + } + } + + /** + * Entrypoint for parser. This method needs to be implemented by the + * child classt that utilizes the concrete parser + */ + abstract function parse(); +} |