/usr/share/php/PHP/Depend/Tokenizer/PHP52Helper.php is in pdepend 1.1.4-1.
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/**
* This file is part of PHP_Depend.
*
* PHP Version 5
*
* Copyright (c) 2008-2012, Manuel Pichler <mapi@pdepend.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Manuel Pichler nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*
* @category PHP
* @package PHP_Depend
* @subpackage Tokenizer
* @author Manuel Pichler <mapi@pdepend.org>
* @copyright 2008-2012 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version SVN: $Id$
* @link http://www.pdepend.org/
*/
/**
* Utility class that can be used to handle PHP's namespace separator in all
* PHP environments lower than 5.3alpha3
*
* @category PHP
* @package PHP_Depend
* @subpackage Tokenizer
* @author Manuel Pichler <mapi@pdepend.org>
* @copyright 2008-2012 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version Release: 1.1.4
* @link http://www.pdepend.org/
*/
final class PHP_Depend_Tokenizer_PHP52Helper
{
/**
* This method implements a workaround for all PHP versions lower 5.3alpha3
* that do not handle the namespace separator char.
*
* @param string $source The raw source code.
*
* @return array The tokens.
*/
public static function tokenize($source)
{
// Replace backslash with valid token
$source = preg_replace(
array(
'#\\\\([^"\'`\\\\])#i',
'(<<<(\s*)([\w\d]+)(.*[\r\n])\2;(\r\n|\n|\r))sU',
'(<<<(\s*)([\w\d]+)(.*[\r\n])\2(\r\n|\n|\r))sU',
'(<<<(\s*)(["\'])([\w\d]+)\2(.*[\r\n])\3;(\r\n|\n|\r))sU',
'(<<<(\s*)(["\'])([\w\d]+)\2(.*[\r\n])\3(\s*),(\s*))sU',
'(<<<(\s*)(["\'])([\w\d]+)\2(.*[\r\n])\3(\s*)\)(\s*))sU'
),
array(
':::\\1',
"<<<\\1\\2\\3\\2;\\4/*\"*/;",
"<<<\\1\\2\\3\\2;\\4/*\"*/",
"<<<\\1\\3\\4\\3;\\5/*\\2*/;",
"<<<\\1\\3\\4\\3;\\5/*\\2*/,\\6",
"<<<\\1\\3\\4\\3;\\5/*\\2*/)\\6"
),
$source
);
$tokens = self::doTokenize($source);
$result = array();
for ($i = 0, $c = count($tokens); $i < $c; ++$i) {
if (is_string($tokens[$i])) {
$result[] = str_replace(':::', '\\', $tokens[$i]);
} else if ($tokens[$i][0] !== T_DOUBLE_COLON) {
$tokens[$i][1] = str_replace(':::', '\\', $tokens[$i][1]);
$result[] = $tokens[$i];
} else if (!isset($tokens[$i + 1]) || $tokens[$i + 1] !== ':') {
$tokens[$i][1] = str_replace(':::', '\\', $tokens[$i][1]);
$result[] = $tokens[$i];
} else {
$result[] = '\\';
++$i;
}
}
return $result;
}
/**
* Executes the internal tokenizer function and decorates it with some
* exception handling.
*
* @param string $source The raw php source code.
*
* @return array
* @todo Exception should be moved into a general package.
*/
private static function doTokenize($source)
{
ini_set('track_errors', 'on');
$php_errormsg = null;
$tokens = @token_get_all($source);
if ($php_errormsg === null) {
return $tokens;
}
throw new PHP_Depend_Parser_TokenException($php_errormsg);
}
}
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