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<?php
/**
* GeSHi - Generic Syntax Highlighter
*
* For information on how to use GeSHi, please consult the documentation
* found in the docs/ directory, or online at http://geshi.org/docs/
*
* This file is part of GeSHi.
*
* GeSHi 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.
*
* GeSHi 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 GeSHi; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* You can view a copy of the GNU GPL in the COPYING file that comes
* with GeSHi, in the docs/ directory.
*
* @package scripts
* @author Nigel McNie <nigel@geshi.org>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL
* @copyright (C) 2005 Nigel McNie
* @version 1.1.0
*
*/
/**
* Implementation of KeywordGetterStrategy for the HTML language.
*
* @package scripts
* @author Nigel McNie <nigel@geshi.org>
* @since 0.1.1
* @version 1.1.0
* @see KeywordGetterStrategy
*/
class htmlKeywordGetterStrategy extends KeywordGetterStrategy
{
/**
* The file from which the attribute names will be raided
* @var string
* @access private
*/
var $_fileName = '/usr/share/doc/w3-recs/RECS/html4/index/attributes.html';
/**
* Creates a new HTML Keyword Getter Strategy. Defines allowed
* keyword groups for HTML.
*/
function htmlKeywordGetterStrategy ()
{
$this->_language = 'HTML';
$this->_validKeywordGroups = array(
'attributes'
);
}
/**
* Implementation of abstract method {@link KeywordGetterStrategy::getKeywords()}
* to get keywords for HTML
*
* @param string The keyword group to get keywords for. If not a valid keyword
* group an error is returned
* @return array The keywords for HTML for the specified keyword group
* @throws KeywordGetterError
*/
function getKeywords ($keyword_group)
{
// Check that keyword group listed is valid
$group_valid = $this->keywordGroupIsValid($keyword_group);
if (KeywordGetter::isError($group_valid)) {
return $group_valid;
}
if (!is_readable($this->_fileName)) {
return new KeywordGetterError(FILE_UNAVAILABLE, $this->_language,
array('{FILENAME}' => $this->_fileName));
}
$file_contents = implode('', file($this->_fileName));
$matches = array();
preg_match_all('#<td title="Name"><a[^>]+>\s*([a-z\-]+)#', $file_contents, $matches);
$keywords = $matches[1];
return array_unique($keywords);
}
}
?>
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