diff options
Diffstat (limited to 'buildscripts/phing/classes/phing/parser/AbstractHandler.php')
-rwxr-xr-x | buildscripts/phing/classes/phing/parser/AbstractHandler.php | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/parser/AbstractHandler.php b/buildscripts/phing/classes/phing/parser/AbstractHandler.php new file mode 100755 index 00000000..1837bbbf --- /dev/null +++ b/buildscripts/phing/classes/phing/parser/AbstractHandler.php @@ -0,0 +1,98 @@ +<?php + +/* + * $Id: 3d81ac2784333ce8108cf32818b8dfc335993507 $ + * + * 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/parser/ExpatParseException.php'; + +/** + * This is an abstract class all SAX handler classes must extend + * + * @author Andreas Aderhold <andi@binarycloud.com> + * @copyright 2001,2002 THYRELL. All rights reserved + * @version $Id$ + * @package phing.parser + */ +abstract class AbstractHandler { + + public $parentHandler = null; + public $parser = null; + + /** + * Constructs a SAX handler parser. + * + * The constructor must be called by all derived classes. + * + * @param object the parser object + * @param object the parent handler of this handler + */ + protected function __construct($parser, $parentHandler) { + $this->parentHandler = $parentHandler; + $this->parser = $parser; + $this->parser->setHandler($this); + } + + /** + * Gets invoked when a XML open tag occurs + * + * Must be overloaded by the child class. Throws an ExpatParseException + * if there is no handler registered for an element. + * + * @param string the name of the XML element + * @param array the attributes of the XML element + */ + public function startElement($name, $attribs) { + throw new ExpatParseException("Unexpected element $name"); + } + + /** + * Gets invoked when element closes method. + * + */ + protected function finished() {} + + /** + * Gets invoked when a XML element ends. + * + * Can be overloaded by the child class. But should not. It hands + * over control to the parentHandler of this. + * + * @param string the name of the XML element + */ + public function endElement($name) { + $this->finished(); + $this->parser->setHandler($this->parentHandler); + } + + /** + * Invoked by occurance of #PCDATA. + * + * @param string the name of the XML element + * @exception ExpatParserException if there is no CDATA but method + * was called + * @access public + */ + public function characters($data) { + $s = trim($data); + if (strlen($s) > 0) { + throw new ExpatParseException("Unexpected text '$s'", $this->parser->getLocation()); + } + } +} |