%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/*
* This file is part of the ManageWP Worker plugin.
*
* (c) ManageWP LLC <contact@managewp.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* A simple parser able to extract 'define' calls with their first constant string, from a PHP source code.
* Helpful for configuration reading.
*/
class MWP_Parser_DefinitionTokenizer
{
/**
* Returns an array of possible 'defined' values.
*
* @param string $content Content to parse, PHP code is expected.
*
* @return array All the definitions that could be found.
*/
public function getDefinitions($content)
{
$tokens = token_get_all($content);
$definitions = array();
// The parser has 4 phases:
// 1 - found the 'define' keyword
// 2 - found an open parentheses '('
// 3 - found a constant string
// 0 - (closing the circle) found a comma ','
$phase = 0;
$lastDefinition = '';
foreach ($tokens as $token) {
if (is_array($token) && ($token[0] === T_WHITESPACE || $token[0] === T_COMMENT || $token[0] === T_DOC_COMMENT)) {
// Skip whitespace and comment tokens.
continue;
}
if ($phase === 0) {
// Look for a 'define' function call.
if (is_array($token) && $token[0] === T_STRING && strtolower($token[1]) === 'define') {
// This is a 'define' call, move to next phase.
$phase = 1;
}
} elseif ($phase === 1 && $token === '(') {
// Open parentheses found, move to next phase.
$phase = 2;
} elseif ($phase === 2 && is_array($token) && $token[0] === T_CONSTANT_ENCAPSED_STRING) {
// Constant string found, save it for later
$lastDefinition = substr($token[1], 1, -1);
$phase = 3;
} elseif ($phase === 3 && $token === ',') {
// Comma found, save the last found constant string, and reset the parser.
$definitions[] = $lastDefinition;
$phase = 0;
} else {
// Unsupported token found, reset the parser phase.
$phase = 0;
}
}
return array_unique($definitions);
}
public function getDefinitionValues($content)
{
$tokens = token_get_all($content);
$definitions = array();
$phase = 0;
$lastDefinition = '';
$lastValue = '';
foreach ($tokens as $token) {
if (is_array($token) && ($token[0] === T_WHITESPACE || $token[0] === T_COMMENT || $token[0] === T_DOC_COMMENT)) {
// Skip whitespace and comment tokens.
continue;
}
if ($phase === 0) {
// Look for a 'define' function call.
if (is_array($token) && $token[0] === T_STRING && strtolower($token[1]) === 'define') {
// This is a 'define' call, move to next phase.
$phase = 1;
}
} elseif ($phase === 1 && $token === '(') {
// Open parentheses found, move to next phase.
$phase = 2;
} elseif ($phase === 2 && is_array($token) && $token[0] === T_CONSTANT_ENCAPSED_STRING) {
// Constant string found, save it for later
$lastDefinition = trim($token[1], '"\'');
$phase = 3;
} elseif ($phase === 3 && $token === ',') {
// Comma found, save the last found constant string.
$phase = 4;
} elseif ($phase === 4 && is_array($token) && $token[0] === T_CONSTANT_ENCAPSED_STRING) {
if (strlen($token[1]) === 2) {
$lastValue = '';
} else {
$lastValue = stripslashes(substr($token[1], 1, -1));
}
$phase = 5;
} elseif ($phase === 5 && $token === ')') {
$definitions[$lastDefinition] = $lastValue;
$phase = 0;
} else {
// Unsupported token found, reset the parser phase.
$phase = 0;
}
}
return $definitions;
}
}
Zerion Mini Shell 1.0