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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
*
*/
/** Get the PHP XML parser used for getting PHP keywords */
require_once 'class.phpxmlparser.php';
/**
* Implementation of KeywordGetterStrategy for the PHP language.
*
* @package scripts
* @author Nigel McNie <nigel@geshi.org>
* @since 0.1.1
* @version 1.1.0
* @see KeywordGetterStrategy
*/
class phpKeywordGetterStrategy extends KeywordGetterStrategy
{
/**
* Creates a new PHP Keyword Getter Strategy. Defines allowed
* keyword groups for PHP.
*/
function phpKeywordGetterStrategy ()
{
$this->_language = 'PHP';
$this->_validKeywordGroups = array(
'controlstructures', 'keywords', 'functions'
);
}
/**
* Implementation of abstract method {@link KeywordGetterStrategy::getKeywords()}
* to get keywords for PHP
*
* @param string The keyword group to get keywords for. If not a valid keyword
* group an error is returned
* @return array The keywords for PHP for the specified keyword group
* @throws KeywordGetterError
*/
function getKeywords ($keyword_group)
{
// Check that keyword group listed is valid
$group_valid = $this->keywordGroupIsValid($keyword_group);
if (KeywordGetter::isError($group_valid)) {
return $group_valid;
}
// Convert keyword group to correct name
// for XML parser if needed
if ('controlstructures' == $keyword_group) {
$keyword_group = 'control structures';
}
$xml_parser =& new PHP_XML_Parser;
$xml_parser->setKeywordGroup($keyword_group);
// Set the file to parse to Nigel's local PHP syntax file.
$result =& $xml_parser->setInputFile('/usr/share/apps/katepart/syntax/php.xml');
if (PEAR::isError($result)) {
return new KeywordGetterError(FILE_UNAVAILABLE, $this->_language,
array('{FILENAME}' => '/usr/share/apps/katepart/syntax/php.xml'));
}
$result =& $xml_parser->parse();
if (PEAR::isError($result)) {
return new KeywordGetterError(PARSE_ERROR, $this->_language,
array('{PARSE_ERROR}' => $result->getMessage()));
}
$keywords =& $xml_parser->getKeywords();
// Add some keywords that don't seem to be in the XML file
if ('control structures' == $keyword_group) {
array_push($keywords, 'endwhile', 'endif', 'endswitch', 'endforeach');
} elseif ('keywords' == $keyword_group) {
array_push($keywords, '__FUNCTION__', '__CLASS__', '__METHOD__',
'DEFAULT_INCLUDE_PATH', 'PEAR_INSTALL_DIR', 'PEAR_EXTENSION_DIR',
'PHP_EXTENSION_DIR', 'PHP_BINDIR', 'PHP_LIBDIR', 'PHP_DATADIR',
'PHP_SYSCONFDIR', 'PHP_LOCALSTATEDIR', 'PHP_CONFIG_FILE_PATH',
'PHP_OUTPUT_HANDLER_START', 'PHP_OUTPUT_HANDLER_CONT',
'PHP_OUTPUT_HANDLER_END', 'E_STRICT', 'E_CORE_ERROR', 'E_CORE_WARNING',
'E_COMPILE_ERROR', 'E_COMPILE_WARNING');
}
sort($keywords);
return array_unique($keywords);
}
}
?>
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