Viewing file: ExpatParser.php (4.87 KB) -rw-rw-rw- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?php /* * $Id: ExpatParser.php,v 1.8 2005/05/26 13:10:52 mrook 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>. */ require_once 'phing/parser/AbstractSAXParser.php'; include_once 'phing/parser/ExpatParseException.php'; include_once 'phing/system/io/IOException.php'; include_once 'phing/system/io/FileReader.php';
/** * This class is a wrapper for the PHP's internal expat parser. * * It takes an XML file represented by a abstract path name, and starts * parsing the file and calling the different "trap" methods inherited from * the AbstractParser class. * * Those methods then invoke the represenatative methods in the registered * handler classes. * * @author Andreas Aderhold <andi@binarycloud.com> * @copyright © 2001,2002 THYRELL. All rights reserved * @version $Revision: 1.8 $ $Date: 2005/05/26 13:10:52 $ * @access public * @package phing.parser */
class ExpatParser extends AbstractSAXParser { /** @var resource */ private $parser; /** @var Reader */ private $reader; private $file; private $buffer = 4096; private $error_string = ""; private $line = 0; /** @var Location Current cursor pos in XML file. */ private $location;
/** * Constructs a new ExpatParser object. * * The constructor accepts a PhingFile object that represents the filename * for the file to be parsed. It sets up php's internal expat parser * and options. * * @param Reader $reader The Reader Object that is to be read from. * @param string $filename Filename to read. * @throws Exception if the given argument is not a PhingFile object */ function __construct(Reader $reader, $filename=null) {
$this->reader = $reader; if ($filename !== null) { $this->file = new PhingFile($filename); } $this->parser = xml_parser_create(); $this->buffer = 4096; $this->location = new Location(); xml_set_object($this->parser, $this); xml_set_element_handler($this->parser, array($this,"startElement"),array($this,"endElement")); xml_set_character_data_handler($this->parser, array($this, "characters")); }
/** * Override PHP's parser default settings, created in the constructor. * * @param string the option to set * @throws mixed the value to set * @return boolean true if the option could be set, otherwise false * @access public */ function parserSetOption($opt, $val) { return xml_parser_set_option($this->parser, $opt, $val); }
/** * Returns the location object of the current parsed element. It describes * the location of the element within the XML file (line, char) * * @return object the location of the current parser * @access public */ function getLocation() { if ($this->file !== null) { $path = $this->file->getAbsolutePath(); } else { $path = $this->reader->getResource(); } $this->location = new Location($path, xml_get_current_line_number($this->parser), xml_get_current_column_number($this->parser)); return $this->location; }
/** * Starts the parsing process. * * @param string the option to set * @return int 1 if the parsing succeeded * @throws ExpatParseException if something gone wrong during parsing * @throws IOException if XML file can not be accessed * @access public */ function parse() { while ( ($data = $this->reader->read()) !== -1 ) { if (!xml_parse($this->parser, $data, $this->reader->eof())) { $error = xml_error_string(xml_get_error_code($this->parser)); $e = new ExpatParseException($error, $this->getLocation()); xml_parser_free($this->parser); throw $e; } } xml_parser_free($this->parser); return 1; } }
|