<?php // -*-php-*-
rcs_id('$Id: AsciiMath.php,v 1.2 2007/02/22 19:55:44 rurban Exp $');
/*
Copyright 2005 $ThePhpWikiProgrammingTeam

This file is part of PhpWiki.

PhpWiki is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

PhpWiki 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with PhpWiki; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

require_once("lib/ASCIIMathPHP/ASCIIMathPHP.class.php");

/** 
 * Render ASCII math as MathML
 * Requires ENABLE_XHTML_XML = true
 * See http://www.jcphysics.com/ASCIIMath/
 * Syntax: http://www1.chapman.edu/~jipsen/mathml/asciimathsyntax.xml
 * Example: "int_-1^1 sqrt(1-x^2)dx = pi/2"
 * => <math xmlns="http://www.w3.org/1998/Math/MathML">
	<mrow><msubsup><mo>&#8747;</mo><mn>-1</mn><mn>1</mn></msubsup></mrow>
	<msqrt><mrow><mn>1</mn><mo>-</mo><msup><mi>x</mi><mn>2</mn></msup></mrow></msqrt>
	<mi>d</mi>
	<mi>x</mi>
	<mo>=</mo>
	<mfrac><mi>&#960;</mi><mo>2</mo></mfrac>
      </math>
 */
class WikiPlugin_AsciiMath
extends WikiPlugin
{
    function getName() {
        return _("AsciiMath");
    }

    function getDescription() {
        return _("Render ASCII Math as MathML");
    }

    function getVersion() {
        return preg_replace("/[Revision: $]/", '',
                            "\$Revision: 1.2 $");
    }

    function getDefaultArguments() {
        return array();
    }
    function handle_plugin_args_cruft(&$argstr, &$args) {
        $this->source = $argstr;
    }

    function run($dbi, $argstr, &$request, $basepage) {
        $args = $this->getArgs($argstr, $request);
        if (empty($this->source))
            return '';

        include("lib/ASCIIMathPHP/ASCIIMathPHP.cfg.php");
        $ascii_math = new ASCIIMathPHP($symbol_arr, $this->source);
        $ascii_math->genMathML();
        return HTML::Raw($ascii_math->getMathML());
    }
};

// $Log: AsciiMath.php,v $
// Revision 1.2  2007/02/22 19:55:44  rurban
// fix include: detected by Rud Merriam
//
// Revision 1.1  2005/01/29 21:50:38  rurban
// new MathML plugin and lib
//

// Local Variables:
// mode: php
// tab-width: 8
// c-basic-offset: 4
// c-hanging-comment-ender-p: nil
// indent-tabs-mode: nil
// End:
?>
