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vqmod.php (27522B)

---

 <?php
 /**
  * VQMod
  * @description Main Object used
  */
 abstract class VQMod {
 	public static $_vqversion = '2.6.4';						// Current version number
 
 	private static $_modFileList = array();						// Array of xml files
 	private static $_mods = array();							// Array of modifications to apply
 	private static $_filesModded = array();						// Array of already modified files
 	private static $_doNotMod = array();						// Array of files not to apply modifications to
 	private static $_cwd = '';									// Current working directory path
 	private static $_folderChecks = false;						// Flag for already checked log/cache folders exist
 	private static $_cachePathFull = '';						// Full cache folder path
 	private static $_lastModifiedTime = 0;						// Integer representing the last time anything was modified
 	private static $_devMode = false;							// Flag for developer mode - disables caching while true
 
 	public static $logFolder = 'vqmod/logs/';					// Path log folders are stored in
 	public static $vqCachePath = 'vqmod/vqcache/';				// Relative path to cache file directory
 	public static $modCache = 'vqmod/mods.cache';				// Relative path to serialized mods array cache file
 	public static $checkedCache = 'vqmod/checked.cache';		// Relative path to already checked files array cache file
 	public static $protectedFilelist = 'vqmod/vqprotect.txt';	// Relative path to protected files array cache file
 	public static $pathReplaces = 'vqmod/pathReplaces.php';		// Relative path to dynamic path replacement file
 	public static $logging = true;								// Flag to enabled/disable logging
 	public static $log;											// Log object reference
 	public static $fileModding = false;							// Reference to the current file being modified by vQmod for logging
 	public static $directorySeparator = '';						// System directory separator (/ or \ depending on OS)
 	public static $replaces = array();							// Array of regex replaces to perform on file paths
 	public static $windows = false;								// Flag determining if windows or *nix based
 
 	/**
 	 * VQMod::bootup()
 	 *
 	 * @param bool $path File path to use
 	 * @param bool $logging Enable/disabled logging
 	 * @return null
 	 * @description Startup of VQMod
 	 */
 	public static function bootup($path = false, $logging = true) {
 		if(!class_exists('DOMDocument')) {
 			die('VQMod::bootup - ERROR - YOU NEED THE PHP "DOMDocument" EXTENSION INSTALLED TO USE VQMod');
 		}
 
 		if(strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
 			self::$windows = true;
 		}
 
 		self::$directorySeparator = defined('DIRECTORY_SEPARATOR') ? DIRECTORY_SEPARATOR : '/';
 
 		if(!$path){
 			$path = dirname(dirname(__FILE__));
 		}
 		self::_setCwd($path);
 
 		self::$logging = (bool) $logging;
 		self::$log = new VQModLog();
 
 		$replacesPath = self::path(self::$pathReplaces);
 		$replaces = array();
 		if($replacesPath) {
 			include_once($replacesPath);
 			self::$_lastModifiedTime = filemtime($replacesPath);
 		}
 
 		self::$replaces = !is_array($replaces) ? array() : $replaces;
 		self::_getMods();
 		self::_loadProtected();
 		self::_loadChecked();
 	}
 
 	/**
 	 * VQMod::modCheck()
 	 *
 	 * @param string $sourceFile path for file to be modified
 	 * @param string $modificationFile path for mods to be applied to file
 	 * @return string
 	 * @description Checks if a file has modifications and applies them, returning cache files or the file name
 	 */
 	public static function modCheck($sourceFile, $modificationFile = false) {
 
 		if(!self::$_folderChecks) {
 
 			if(self::$logging) {
 				// Create log folder if it doesn't exist
 				$log_folder = self::path(self::$logFolder, true);
 				self::dirCheck($log_folder);
 			}
 
 			// Create cache folder if it doesn't exist
 			$cache_folder = self::path(self::$vqCachePath, true);
 			self::dirCheck($cache_folder);
 
 			// Store cache folder path to save on repeat checks for path validity
 			self::$_cachePathFull = self::path(self::$vqCachePath);
 
 			self::$_folderChecks = true;
 		}
 
 		if(!preg_match('%^([a-z]:)?[\\\\/]%i', $sourceFile)) {
 			$sourcePath = self::path($sourceFile);
 		} else {
 			$sourcePath = self::_realpath($sourceFile);
 		}
 
 		if($modificationFile !== false) {
 			if(!preg_match('%^([a-z]:)?[\\\\/]%i', $modificationFile)) {
 				$modificationsPath = self::path($modificationFile);
 			} else {
 				$modificationsPath = self::_realpath($modificationFile);
 			}
 		} else {
 			$modificationsPath = $sourcePath;
 		}
 
 		if(!$sourcePath || is_dir($sourcePath) || in_array($sourcePath, self::$_doNotMod)) {
 			return $sourceFile;
 		}
 
 		$stripped_filename = preg_replace('~^' . preg_quote(self::getCwd(), '~') . '~i', '', $sourcePath);
 		$cacheFile = self::_cacheName($stripped_filename);
 		$file_last_modified = filemtime($sourcePath);
 
 		if(file_exists($cacheFile) && filemtime($cacheFile) >= self::$_lastModifiedTime && filemtime($cacheFile) >= $file_last_modified) {
 			return $cacheFile;
 		}
 
 		if(isset(self::$_filesModded[$sourcePath])) {
 			return self::$_filesModded[$sourcePath]['cached'] ? $cacheFile : $sourceFile;
 		}
 
 		$changed = false;
 		$fileHash = sha1_file($sourcePath);
 		$fileData = file_get_contents($sourcePath);
 
 		foreach(self::$_mods as $modObject) {
 			foreach($modObject->mods as $path => $mods) {
 				if(self::_checkMatch($path, $modificationsPath)) {
 					$modObject->applyMod($mods, $fileData);
 				}
 			}
 		}
 
 		if (sha1($fileData) != $fileHash) {
 			$writePath = $cacheFile;
 			if(!file_exists($writePath) || is_writable($writePath)) {
 				file_put_contents($writePath, $fileData, LOCK_EX);
 				$changed = true;
 			}
 		} else {
 			file_put_contents(self::path(self::$checkedCache, true), $stripped_filename . PHP_EOL, FILE_APPEND | LOCK_EX);
 			self::$_doNotMod[] = $sourcePath;
 		}
 
 		self::$_filesModded[$sourcePath] = array('cached' => $changed);
 		return $changed ? $writePath : $sourcePath;
 	}
 
 	/**
 	 * VQMod::path()
 	 *
 	 * @param string $path File path
 	 * @param bool $skip_real If true path is full not relative
 	 * @return bool, string
 	 * @description Returns the full true path of a file if it exists, otherwise false
 	 */
 	public static function path($path, $skip_real = false) {
 		$tmp = self::$_cwd . $path;
 		$realpath = $skip_real ? $tmp : self::_realpath($tmp);
 		if(!$realpath) {
 			return false;
 		}
 		return $realpath;
 	}
 
 	/**
 	 * VQMod::getCwd()
 	 *
 	 * @return string
 	 * @description Returns current working directory
 	 */
 	public static function getCwd() {
 		return self::$_cwd;
 	}
 
 	/**
 	 * VQMod::dirCheck()
 	 *
 	 * @param string $path
 	 * @return null
 	 * @description Creates $path folder if it doesn't exist
 	 */
 	public static function dirCheck($path) {
 		if(!is_dir($path)) {
 			if(!mkdir($path)) {
 				die('VQMod::dirCheck - CANNOT CREATE "' . $path . '" DIRECTORY');
 			}
 		}
 	}
 
 	/**
 	 * VQMod::handleXMLError()
 	 *
 	 * @description Error handler for bad XML files
 	 */
 	public static function handleXMLError($errno, $errstr, $errfile, $errline) {
 		if ($errno == E_WARNING && (substr_count($errstr, 'DOMDocument::load()') > 0)) {
 			throw new DOMException(str_replace('DOMDocument::load()', '', $errstr));
 		} else {
 			return false;
 		}
 	}
 
 	/**
 	 * VQMod::_getMods()
 	 *
 	 * @return null
 	 * @description Gets list of XML files in vqmod xml folder for processing
 	 */
 	private static function _getMods() {
 
 		self::$_modFileList = glob(self::path('vqmod/xml/', true) . '*.xml');
 
 		foreach(self::$_modFileList as $file) {
 			if(file_exists($file)) {
 				$lastMod = filemtime($file);
 				if($lastMod > self::$_lastModifiedTime){
 					self::$_lastModifiedTime = $lastMod;
 				}
 			}
 		}
 
 		$xml_folder_time = filemtime(self::path('vqmod/xml'));
 		if($xml_folder_time > self::$_lastModifiedTime){
 			self::$_lastModifiedTime = $xml_folder_time;
 		}
 
 		$modCache = self::path(self::$modCache);
 		if(self::$_devMode || !file_exists($modCache)) {
 			self::$_lastModifiedTime = time();
 		} elseif(file_exists($modCache) && filemtime($modCache) >= self::$_lastModifiedTime) {
 			$mods = file_get_contents($modCache);
 			if(!empty($mods))
 			self::$_mods = unserialize($mods);
 			if(self::$_mods !== false) {
 				return;
 			}
 		}
 
 		// Clear checked cache if rebuilding
 		file_put_contents(self::path(self::$checkedCache, true), '', LOCK_EX);
 
 		if(self::$_modFileList) {
 			self::_parseMods();
 		} else {
 			self::$log->write('VQMod::_getMods - NO XML FILES READABLE IN XML FOLDER');
 		}
 	}
 
 	/**
 	 * VQMod::_parseMods()
 	 *
 	 * @return null
 	 * @description Loops through xml files and attempts to load them as VQModObject's
 	 */
 	private static function _parseMods() {
 
 		set_error_handler(array('VQMod', 'handleXMLError'));
 
 		$dom = new DOMDocument('1.0', 'UTF-8');
 		foreach(self::$_modFileList as $modFileKey => $modFile) {
 			if(file_exists($modFile)) {
 				try {
 					$dom->load($modFile);
 					$mod = $dom->getElementsByTagName('modification')->item(0);
 					$vqmver = $mod->getElementsByTagName('vqmver')->item(0);
 
 					if($vqmver) {
 						$version_check = $vqmver->getAttribute('required');
 						if(strtolower($version_check) == 'true') {
 							if(version_compare(self::$_vqversion, $vqmver->nodeValue, '<')) {
 								self::$log->write('VQMod::_parseMods - FILE "' . $modFile . '" REQUIRES VQMOD "' . $vqmver->nodeValue . '" OR ABOVE AND HAS BEEN SKIPPED');
 								continue;
 							}
 						}
 					}
 
 					self::$_mods[] = new VQModObject($mod, $modFile);
 				} catch (Exception $e) {
 					self::$log->write('VQMod::_parseMods - INVALID XML FILE: ' . $e->getMessage());
 				}
 			} else {
 				self::$log->write('VQMod::_parseMods - FILE NOT FOUND: ' . $modFile);
 			}
 		}
 
 		restore_error_handler();
 
 		$modCache = self::path(self::$modCache, true);
 		$result = file_put_contents($modCache, serialize(self::$_mods), LOCK_EX);
 		if(!$result) {
 			die('VQMod::_parseMods - "/vqmod/mods.cache" FILE NOT WRITEABLE');
 		}
 	}
 
 	/**
 	 * VQMod::_loadProtected()
 	 *
 	 * @return null
 	 * @description Loads protected list and adds them to _doNotMod array
 	 */
 	private static function _loadProtected() {
 		$file = self::path(self::$protectedFilelist);
 		if($file && is_file($file)) {
 			$paths = file($file, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
 			if(!empty($paths)) {
 				foreach($paths as $path) {
 					$fullPath = self::path($path);
 					if($fullPath && !in_array($fullPath, self::$_doNotMod)) {
 						self::$_doNotMod[] = $fullPath;
 					}
 				}
 			}
 		}
 	}
 
 	/**
 	 * VQMod::_loadChecked()
 	 *
 	 * @return null
 	 * @description Loads already checked files and adds them to _doNotMod array
 	 */
 	private static function _loadChecked() {
 		$file = self::path(self::$checkedCache);
 		if($file && is_file($file)) {
 			$paths = file($file, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
 			if(!empty($paths)) {
 				foreach($paths as $path) {
 					$fullPath = self::path($path, true);
 					if($fullPath) {
 						self::$_doNotMod[] = $fullPath;
 					}
 				}
 			}
 		}
 	}
 
 	/**
 	 * VQMod::_cacheName()
 	 *
 	 * @param string $file Filename to be converted to cache filename
 	 * @return string
 	 * @description Returns cache file name for a path
 	 */
 	private static function _cacheName($file) {
 		return self::$_cachePathFull . 'vq2-' . preg_replace('~[/\\\\]+~', '_', $file);
 	}
 
 	/**
 	 * VQMod::_setCwd()
 	 *
 	 * @param string $path Path to be used as current working directory
 	 * @return null
 	 * @description Sets the current working directory variable
 	 */
 	private static function _setCwd($path) {
 		self::$_cwd = self::_realpath($path);
 	}
 
 	/**
 	 * VQMod::_realpath()
 	 *
 	 * @param string $file
 	 * @return string
 	 * @description Returns real path of any path, adding directory slashes if necessary
 	 */
 	private static function _realpath($file) {
 		$path = realpath($file);
 		if(!$path) {
 			return false;
 		}
 
 		if(is_dir($path)) {
 			$path = rtrim($path, self::$directorySeparator) . self::$directorySeparator;
 		}
 
 		return $path;
 	}
 
 	/**
 	 * VQMod::_checkMatch()
 	 *
 	 * @param string $modFilePath Modification path from a <file> node
 	 * @param string $checkFilePath File path
 	 * @return bool
 	 * @description Checks a modification path against a file path
 	 */
 	private static function _checkMatch($modFilePath, $checkFilePath) {
 		$modFilePath = str_replace('\\', '/', $modFilePath);
 		$checkFilePath = str_replace('\\', '/', $checkFilePath);
 
 		if(self::$windows) {
 			$modFilePath = strtolower($modFilePath);
 			$checkFilePath = strtolower($checkFilePath);
 		}
 
 		if($modFilePath == $checkFilePath) {
 			$return = true;
 		} elseif(strpos($modFilePath, '*') !== false) {
 			$return = true;
 			$modParts = explode('/', $modFilePath);
 			$checkParts = explode('/', $checkFilePath);
 
 			if(count($modParts) !== count($checkParts)) {
 				 $return = false;
 			} else {
 
 				$toCheck = array_diff_assoc($modParts, $checkParts);
 
 				foreach($toCheck as $k => $part) {
 					if($part === '*') {
 						continue;
 					} elseif(strpos($part, '*') !== false) {
 						$part = preg_replace_callback('~([^*]+)~', array('self', '_quotePath'), $part);
 						$part = str_replace('*', '[^/]*', $part);
 						$part = (bool) preg_match('~^' . $part . '$~', $checkParts[$k]);
 
 						if($part) {
 							continue;
 						}
 					} elseif($part === $checkParts[$k]) {
 						continue;
 					}
 
 					$return = false;
 					break;
 				}
 
 			}
 		} else {
 			$return = false;
 		}
 
 		return $return;
 	}
 
 	/**
 	 * VQMod::_quotePath()
 	 *
 	 * @param string $matches callback matches
 	 * @return string
 	 * @description apply's preg_quote to string from callback
 	 */
 	private static function _quotePath($matches) {
 		return preg_quote($matches[1], '~');
 	}
 }
 
 /**
  * VQModLog
  * @description Object to log information to a file
  */
 class VQModLog {
 	private $_sep;
 	private $_defhash = 'da39a3ee5e6b4b0d3255bfef95601890afd80709';
 	private $_logs = array();
 
 	/**
 	 * VQModLog::__construct()
 	 *
 	 * @return null
 	 * @description Object instantiation method
 	 */
 	public function __construct() {
 		$this->_sep = str_repeat('-', 70);
 	}
 
 	/**
 	 * VQModLog::__destruct()
 	 *
 	 * @return null
 	 * @description Logs any messages to the log file just before object is destroyed
 	 */
 	public function __destruct() {
 		if(empty($this->_logs) || VQMod::$logging == false) {
 			return;
 		}
 
 		$logPath = VQMod::path(VQMod::$logFolder . date('w_D') . '.log', true);
 
 		$txt = array();
 
 		$txt[] = str_repeat('-', 10) . ' Date: ' . date('Y-m-d H:i:s') . ' ~ IP : ' . (isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : 'N/A') . ' ' . str_repeat('-', 10);
 		$txt[] = 'REQUEST URI : ' . $_SERVER['REQUEST_URI'];
 
 		foreach($this->_logs as $count => $log) {
 			if($log['obj']) {
 				$vars = get_object_vars($log['obj']);
 				$txt[] = 'MOD DETAILS:';
 				foreach($vars as $k => $v) {
 					if(is_string($v)) {
 						$txt[] = '   ' . str_pad($k, 10, ' ', STR_PAD_RIGHT) . ': ' . $v;
 					}
 				}
 
 			}
 
 			foreach($log['log'] as $msg) {
 				$txt[] = $msg;
 			}
 
 			if ($count > count($this->_logs)-1) {
 				$txt[] = '';
 			}
 		}
 
 		$txt[] = $this->_sep;
 		$txt[] = str_repeat(PHP_EOL, 2);
 		$append = true;
 
 		if(!file_exists($logPath)) {
 			$append = false;
 		} else {
 			$content = file_get_contents($logPath);
 			if(!empty($content) && strpos($content, ' Date: ' . date('Y-m-d ')) === false) {
 				$append = false;
 			}
 		}
 
 		$result = file_put_contents($logPath, implode(PHP_EOL, $txt), ($append ? FILE_APPEND | LOCK_EX : LOCK_EX));
 		if(!$result) {
 			die('VQModLog::__destruct - LOG FILE "' . $logPath . '" COULD NOT BE WRITTEN');
 		}
 	}
 
 	/**
 	 * VQModLog::write()
 	 *
 	 * @param string $data Text to be added to log file
 	 * @param VQModObject $obj Modification the error belongs to
 	 * @return null
 	 * @description Adds error to log object ready to be output
 	 */
 	public function write($data, VQModObject $obj = NULL) {
 		if($obj) {
 			$hash = sha1($obj->id);
 		} else {
 			$hash = $this->_defhash;
 		}
 
 		if(empty($this->_logs[$hash])) {
 			$this->_logs[$hash] = array(
 				'obj' => $obj,
 				'log' => array()
 			);
 		}
 
 		if(VQMod::$fileModding) {
 			$this->_logs[$hash]['log'][] = PHP_EOL . 'File Name    : ' . VQMod::$fileModding;
 		}
 
 		$this->_logs[$hash]['log'][] = $data;
 
 	}
 }
 
 /**
  * VQModObject
  * @description Object for the <modification> that orchestrates each applied modification
  */
 class VQModObject {
 	public $modFile = '';
 	public $id = '';
 	public $version = '';
 	public $vqmver = '';
 	public $author = '';
 	public $mods = array();
 
 	private $_skip = false;
 
 	/**
 	 * VQModObject::__construct()
 	 *
 	 * @param DOMNode $node <modification> node
 	 * @param string $modFile File modification is from
 	 * @return null
 	 * @description Loads modification meta information
 	 */
 	public function __construct(DOMNode $node, $modFile) {
 		if($node->hasChildNodes()) {
 			foreach($node->childNodes as $child) {
 				$name = (string) $child->nodeName;
 				if(isset($this->$name)) {
 					$this->$name = (string) $child->nodeValue;
 				}
 			}
 		}
 
 		$this->modFile = $modFile;
 		$this->_parseMods($node);
 	}
 
 	/**
 	 * VQModObject::skip()
 	 *
 	 * @return bool
 	 * @description Returns the skip status of a modification
 	 */
 	public function skip() {
 		return $this->_skip;
 	}
 
 	/**
 	 * VQModObject::applyMod()
 	 *
 	 * @param array $mods Array of search add nodes
 	 * @param string $data File contents to be altered
 	 * @return null
 	 * @description Applies all modifications to the text data
 	 */
 	public function applyMod($mods, &$data) {
 		if($this->_skip) return;
 		$tmp = $data;
 
 		foreach($mods as $mod) {
 			VQMod::$fileModding = $mod['fileToMod'] . '(' . $mod['opIndex'] . ')';
 			if(!empty($mod['ignoreif'])) {
 				if($mod['ignoreif']->regex == 'true') {
 					if (preg_match($mod['ignoreif']->getContent(), $tmp)) {
 						continue;
 					}
 				} else {
 					if (strpos($tmp, $mod['ignoreif']->getContent()) !== false) {
 						continue;
 					}
 				}
 			}
 
 			$indexCount = 0;
 
 			$tmp = $this->_explodeData($tmp);
 			$lineMax = count($tmp) - 1;
 
 			// <add> tag attributes - Override <search> attributes if set
 			foreach(array_keys((array)$mod['search']) as $key) {
 				if ($key == "\x0VQNode\x0_content") { continue; }
 				if ($key == "trim") { continue; }
 				if (isset($mod['add']->$key) && $mod['add']->$key) {
 					$mod['search']->$key = $mod['add']->$key;
 				}
 			}
 
 			switch($mod['search']->position) {
 				case 'top':
 				$tmp[$mod['search']->offset] =  $mod['add']->getContent() . $tmp[$mod['search']->offset];
 				break;
 
 				case 'bottom':
 				$offset = $lineMax - $mod['search']->offset;
 				if($offset < 0){
 					$tmp[-1] = $mod['add']->getContent();
 				} else {
 					$tmp[$offset] .= $mod['add']->getContent();
 				}
 				break;
 
 				default:
 
 				$changed = false;
 				foreach($tmp as $lineNum => $line) {
 					if(strlen($mod['search']->getContent()) == 0) {
 						if($mod['error'] == 'log' || $mod['error'] == 'abort') {
 							VQMod::$log->write('VQModObject::applyMod - EMPTY SEARCH CONTENT ERROR', $this);
 						}
 						break;
 					}
 
 					if($mod['search']->regex == 'true') {
 						$pos = @preg_match($mod['search']->getContent(), $line);
 						if($pos === false) {
 							if($mod['error'] == 'log' || $mod['error'] == 'abort' ) {
 								VQMod::$log->write('VQModObject::applyMod - INVALID REGEX ERROR - ' . $mod['search']->getContent(), $this);
 							}
 							break 2;
 						} elseif($pos == 0) {
 							$pos = false;
 						}
 					} else {
 						$pos = strpos($line, $mod['search']->getContent());
 					}
 
 					if($pos !== false) {
 						$indexCount++;
 						$changed = true;
 
 						if(!$mod['search']->indexes() || ($mod['search']->indexes() && in_array($indexCount, $mod['search']->indexes()))) {
 
 							switch($mod['search']->position) {
 								case 'before':
 								$offset = ($lineNum - $mod['search']->offset < 0) ? -1 : $lineNum - $mod['search']->offset;
 								$tmp[$offset] = empty($tmp[$offset]) ? $mod['add']->getContent() : $mod['add']->getContent() . "\n" . $tmp[$offset];
 								break;
 
 								case 'after':
 								$offset = ($lineNum + $mod['search']->offset > $lineMax) ? $lineMax : $lineNum + $mod['search']->offset;
 								$tmp[$offset] = $tmp[$offset] . "\n" . $mod['add']->getContent();
 								break;
 
 								case 'ibefore':
 								$tmp[$lineNum] = str_replace($mod['search']->getContent(), $mod['add']->getContent() . $mod['search']->getContent(), $line);
 								break;
 
 								case 'iafter':
 								$tmp[$lineNum] = str_replace($mod['search']->getContent(), $mod['search']->getContent() . $mod['add']->getContent(), $line);
 								break;
 
 								default:
 								if(!empty($mod['search']->offset)) {
 									if($mod['search']->offset > 0) {
 										for($i = 1; $i <= $mod['search']->offset; $i++) {
 											if(isset($tmp[$lineNum + $i])) {
 												$tmp[$lineNum + $i] = '';
 											}
 										}
 									} elseif($mod['search']->offset < 0) {
 										for($i = -1; $i >= $mod['search']->offset; $i--) {
 											if(isset($tmp[$lineNum + $i])) {
 												$tmp[$lineNum + $i] = '';
 											}
 										}
 									}
 								}
 
 								if($mod['search']->regex == 'true') {
 									$tmp[$lineNum] = preg_replace($mod['search']->getContent(), $mod['add']->getContent(), $line);
 								} else {
 									$tmp[$lineNum] = str_replace($mod['search']->getContent(), $mod['add']->getContent(), $line);
 								}
 								break;
 							}
 						}
 					}
 				}
 
 				if(!$changed) {
 					$skip = ($mod['error'] == 'skip' || $mod['error'] == 'log') ? ' (SKIPPED)' : ' (ABORTING MOD)';
 
 					if($mod['error'] == 'log' || $mod['error'] == 'abort') {
 						VQMod::$log->write('VQModObject::applyMod - SEARCH NOT FOUND' . $skip . ': ' . $mod['search']->getContent(), $this);
 					}
 
 					if($mod['error'] == 'abort') {
 						$this->_skip = true;
 						return;
 					}
 
 				}
 
 				break;
 			}
 			ksort($tmp);
 			$tmp = $this->_implodeData($tmp);
 		}
 
 		VQMod::$fileModding = false;
 
 		$data = $tmp;
 	}
 
 	/**
 	 * VQModObject::_parseMods()
 	 *
 	 * @param DOMNode $node <modification> node to be parsed
 	 * @return null
 	 * @description Parses modifications in preparation for the applyMod method to work
 	 */
 	private function _parseMods(DOMNode $node){
 		$files = $node->getElementsByTagName('file');
 
 		$replaces = VQMod::$replaces;
 
 		foreach($files as $file) {
 			$path = $file->getAttribute('path') ? $file->getAttribute('path') : '';
 			$filesToMod = explode(',', $file->getAttribute('name'));
 
 			foreach($filesToMod as $filename) {
 
 				$fileToMod = $path . $filename;
 				if(!empty($replaces)) {
 					foreach($replaces as $r) {
 						if(count($r) == 2) {
 							$fileToMod = preg_replace($r[0], $r[1], $fileToMod);
 						}
 					}
 				}
 
 				$error = ($file->hasAttribute('error')) ? $file->getAttribute('error') : 'log';
 				$fullPath = VQMod::path($fileToMod);
 
 				if(!$fullPath || !file_exists($fullPath)){
 					if(strpos($fileToMod, '*') !== false) {
 						$fullPath = VQMod::getCwd() . $fileToMod;
 					} else {
 						if ($error == 'log' || $error == 'abort') {
 							$skip = ($error == 'log') ? ' (SKIPPED)' : ' (ABORTING MOD)';
 							VQMod::$log->write('VQModObject::parseMods - Could not resolve path for [' . $fileToMod . ']' . $skip, $this);
 						}
 
 						if ($error == 'log' || $error == 'skip') {
 							continue;
 						} elseif ($error == 'abort') {
 							return false;
 						}
 					}
 				}
 
 				$operations = $file->getElementsByTagName('operation');
 
 				foreach($operations as $opIndex => $operation) {
 					VQMod::$fileModding = $fileToMod . '(' . $opIndex . ')';
 					$skipOperation = false;
 
 					$error = ($operation->hasAttribute('error')) ? $operation->getAttribute('error') : 'abort';
 					$ignoreif = $operation->getElementsByTagName('ignoreif')->item(0);
 
 					if($ignoreif) {
 						$ignoreif = new VQSearchNode($ignoreif);
 					} else {
 						$ignoreif = false;
 					}
 
 					$search = $operation->getElementsByTagName('search')->item(0);
 					$add = $operation->getElementsByTagName('add')->item(0);
 
 					if(!$search) {
 						VQMod::$log->write('Operation <search> tag missing', $this);
 						$skipOperation = true;
 					}
 
 					if(!$add) {
 						VQMod::$log->write('Operation <add> tag missing', $this);
 						$skipOperation = true;
 					}
 
 					if(!$skipOperation) {
 						$this->mods[$fullPath][] = array(
 							'search' 		=> new VQSearchNode($search),
 							'add' 			=> new VQAddNode($add),
 							'ignoreif'		=> $ignoreif,
 							'error'		 	=> $error,
 							'fileToMod'		=> $fileToMod,
 							'opIndex'		=> $opIndex,
 						);
 					}
 				}
 				VQMod::$fileModding = false;
 			}
 		}
 	}
 
 	/**
 	 * VQModObject::_explodeData()
 	 *
 	 * @param string $data File contents
 	 * @return string
 	 * @description Splits a file into an array of individual lines
 	 */
 	private function _explodeData($data) {
 		return explode("\n", $data);
 	}
 
 	/**
 	 * VQModObject::_implodeData()
 	 *
 	 * @param array $data Array of lines
 	 * @return string
 	 * @description Joins an array of lines back into a text file
 	 */
 	private function _implodeData($data) {
 		return implode("\n", $data);
 	}
 }
 
 /**
  * VQNode
  * @description Basic node object blueprint
  */
 class VQNode {
 	public $regex = 'false';
 	public $trim = 'false';
 	private $_content = '';
 
 	/**
 	 * VQNode::__construct()
 	 *
 	 * @param DOMNode $node Search/add node
 	 * @return null
 	 * @description Parses the node attributes and sets the node property
 	 */
 	public function  __construct(DOMNode $node) {
 		$this->_content = $node->nodeValue;
 
 		if($node->hasAttributes()) {
 			foreach($node->attributes as $attr) {
 				$name = $attr->nodeName;
 				if(isset($this->$name)) {
 					$this->$name = $attr->nodeValue;
 				}
 			}
 		}
 	}
 
 	/**
 	 * VQNode::getContent()
 	 *
 	 * @return string
 	 * @description Returns the content, trimmed if applicable
 	 */
 	public function getContent() {
 		$content = ($this->trim == 'true') ? trim($this->_content) : $this->_content;
 		return $content;
 	}
 }
 
 /**
  * VQSearchNode
  * @description Object for the <search> xml tags
  */
 class VQSearchNode extends VQNode {
 	public $position = 'replace';
 	public $offset = 0;
 	public $index = 'false';
 	public $regex = 'false';
 	public $trim = 'true';
 
 	/**
 	 * VQSearchNode::indexes()
 	 *
 	 * @return bool, array
 	 * @description Returns the index values to use the search on, or false if none
 	 */
 	public function indexes() {
 		if($this->index == 'false') {
 			return false;
 		}
 		$tmp = explode(',', $this->index);
 		foreach($tmp as $k => $v) {
 			if(!is_int($v)) {
 				unset($k);
 			}
 		}
 		$tmp = array_unique($tmp);
 		return empty($tmp) ? false : $tmp;
 	}
 }
 
 /**
  * VQAddNode
  * @description Object for the <add> xml tags
  */
 class VQAddNode extends VQNode {
 	public $position = false;
 	public $offset = false;
 	public $index = false;
 	public $regex = false;
 	public $trim = 'false';
 }