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<?php
/* vim: set expandtab shiftwidth=4 tabstop=4 softtabstop=4 foldmethod=marker: */
/**
* Parser for MARC records
*
* This package is based on the PHP MARC package, originally called "php-marc",
* that is part of the Emilda Project (http://www.emilda.org). Christoffer
* Landtman generously agreed to make the "php-marc" code available under the
* GNU LGPL so it could be used as the basis of this PEAR package.
*
* PHP version 5
*
* LICENSE: This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* @category File_Formats
* @package File_MARC
* @author Dan Scott <dscott@laurentian.ca>
* @copyright 2007-2010 Dan Scott
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @version CVS: $Id: MARCXML.php 301727 2010-07-30 17:30:51Z dbs $
* @link http://pear.php.net/package/File_MARC
* @example read.php Retrieve specific fields and subfields from a record
* @example subfields.php Create new subfields and add them in specific order
* @example marc_yaz.php Pretty print a MARC record retrieved through the PECL yaz extension
*/
require_once 'File/MARC/Record.php';
// {{{ class File_MARCBASE
/**
* The main File_MARCBASE class provides common methods for File_MARC and
* File_MARCXML - primarily for generating MARCXML output.
*
* @category File_Formats
* @package File_MARC
* @author Dan Scott <dscott@laurentian.ca>
* @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
* @link http://pear.php.net/package/File_MARC
*/
class File_MARCBASE
{
/**
* XMLWriter for writing collections
*
* @var XMLWriter
*/
protected $xmlwriter;
/**
* Record class
*
* @var string
*/
protected $record_class;
// }}}
// {{{ Constructor: function __construct()
/**
* Read in MARCXML records
*
* This function reads in files or strings that
* contain one or more MARCXML records.
*
* <code>
* <?php
* // Retrieve MARC records from a file
* $journals = new File_MARC('journals.mrc', SOURCE_FILE);
*
* // Retrieve MARC records from a string (e.g. Z39 query results)
* $monographs = new File_MARC($raw_marc, SOURCE_STRING);
* ?>
* </code>
*
* @param string $source Name of the file, or a raw MARC string
* @param int $type Source of the input, either SOURCE_FILE or SOURCE_STRING
* @param string $record_class Record class, defaults to File_MARC_Record
*/
function __construct($source, $type, $record_class)
{
$this->xmlwriter = new XMLWriter();
$this->xmlwriter->openMemory();
$this->xmlwriter->startDocument('1.0', 'UTF-8');
$this->record_class = $record_class ?: File_MARC_Record::class;
}
// }}}
// {{{ toXMLHeader()
/**
* Initializes the MARCXML output of a record or collection of records
*
* This method produces an XML representation of a MARC record that
* attempts to adhere to the MARCXML standard documented at
* http://www.loc.gov/standards/marcxml/
*
* @return bool true if successful
*/
function toXMLHeader()
{
$this->xmlwriter->startElement("collection");
$this->xmlwriter->writeAttribute("xmlns", "http://www.loc.gov/MARC21/slim");
return true;
}
// }}}
// {{{ getXMLWriter()
/**
* Returns the XMLWriter object
*
* This method produces an XML representation of a MARC record that
* attempts to adhere to the MARCXML standard documented at
* http://www.loc.gov/standards/marcxml/
*
* @return XMLWriter XMLWriter instance
*/
function getXMLWriter()
{
return $this->xmlwriter;
}
// }}}
// {{{ toXMLFooter()
/**
* Returns the MARCXML collection footer
*
* This method produces an XML representation of a MARC record that
* attempts to adhere to the MARCXML standard documented at
* http://www.loc.gov/standards/marcxml/
*
* @return string representation of MARC record in MARCXML format
*/
function toXMLFooter()
{
$this->xmlwriter->endElement(); // end collection
$this->xmlwriter->endDocument();
return $this->xmlwriter->outputMemory();
}
// }}}
}
// }}}
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