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FileCompare.php
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FileCompare.php
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<?php
class File_Compare
{
private $_delSources = true;
private $_template = '<div class="filename" style="text-align: center" ><h1>{path}</h1></div><div class="diff" >{content}</div>';
private $_differOptions = array(
'ignoreWhitespace' => true,
'ignoreNewLines' => true,
'ignoreCase' => false,
);
private $_fileTypes = array();
private $_currentPath;
private $_cleanSourcesPath;
public function __construct($fileTypes)
{
$this->_fileTypes = $fileTypes;
$this->_currentPath = dirname(__FILE__);
$this->_cleanSourcesPath = $this->_currentPath . DIRECTORY_SEPARATOR . 'cleanSources/';
mkdir($this->_cleanSourcesPath );
}
/**
* @param boolean $delSources
*/
public function setDelSources($delSources)
{
$this->_delSources = $delSources;
}
/**
* @param array $differOptions
*/
public function setDifferOptions($differOptions)
{
$this->_differOptions = $differOptions;
}
/**
* @param string $template
*/
public function setTemplate($template)
{
$this->_template = $template;
}
/**
* @param $path
* @return array|RegexIterator
*/
private function _getFilesArray($path)
{
$dirIterator = new RecursiveDirectoryIterator(
$path,
RecursiveDirectoryIterator::SKIP_DOTS
);
$iterator = new RecursiveIteratorIterator($dirIterator, RecursiveIteratorIterator::SELF_FIRST);
$typesString = implode("|", $this->_fileTypes);
$files = new RegexIterator($iterator, '/([^\s]+(\.(?i)(' . $typesString . '))$)/i', RecursiveRegexIterator::GET_MATCH);
$files = iterator_to_array($files);
$files = array_keys($files);
return $files;
}
/**
* @param $file
* @throws Exception
*/
private function _uploadAndUnzip($file)
{
$this->_delTree($this->_cleanSourcesPath);
$zip = new ZipArchive;
$res = $zip->open($file);
if ($res === TRUE) {
// extract it to the path we determined above
$zip->extractTo($this->_cleanSourcesPath);
$zip->close();
} else {
throw new Exception('Can\'t unzip source file');
}
}
/**
* @param $dir
*/
private function _delTree($dir)
{
$it = new RecursiveDirectoryIterator($dir);
$it = new RecursiveIteratorIterator($it, RecursiveIteratorIterator::CHILD_FIRST);
foreach ($it as $file) {
if ('.' === $file->getBasename() || '..' === $file->getBasename()) continue;
if ($file->isDir()) rmdir($file->getPathname());
else unlink($file->getPathname());
}
rmdir($dir);
}
/**
* @param $serverFilePath
* @param $cleanFilePath
* @return string
*/
private function _compareFiles($serverFilePath,$cleanFilePath)
{
$serverFile = $this->_getFileContent( $serverFilePath );
$cleanFile = $this->_getFileContent($cleanFilePath);
return str_replace( "\r", PHP_EOL, $this->_getDiffHtml($cleanFile, $serverFile,$serverFilePath) );
}
/**
* @param $path
* @return array|mixed
*/
private function _getFileContent($path)
{
$fileContent = explode(PHP_EOL, file_get_contents( $path ) );
if ( count( $fileContent<2 ) ) $fileContent = explode("\r", file_get_contents( $path ) );
if ( count( $fileContent<2 ) ) $fileContent = explode("\n", file_get_contents( $path ) );
$fileContent = str_replace("\r\n", "\r", $fileContent);
$fileContent = str_replace("\n", "\r", $fileContent);
return $fileContent;
}
/**
* @param $cleanFile
* @param $serverFile
*
* @return string
*/
private function _getDiffHtml($cleanFile, $serverFile,$cleanFilePath)
{
// Initialize the diff class
$diff = new Diff($cleanFile, $serverFile, $this->_differOptions);
$renderer = new Diff_Renderer_Html_SideBySide();
$diffHtml = $diff->Render($renderer);
$template = str_replace( '{content}',$diffHtml, $this->_template );
$template = str_replace( '{path}',$cleanFilePath, $template );
return $template;
}
/**
* @param $file
* @return string
* @throws Exception
*/
public function process($file)
{
try {
$this->_uploadAndUnzip($file);
$originalFiles = $this->_getFilesArray($this->_currentPath . DIRECTORY_SEPARATOR . 'cleanSources');
$html = '';
foreach ($originalFiles as $originalFile) {
$originalMd5 = md5_file($originalFile);
$currentFileParts = explode('cleanSources', $originalFile);
$currentFilePath = dirname(dirname(__FILE__)) . $currentFileParts[1];
$currentMd5 = md5_file($currentFilePath);
if ($originalMd5 != $currentMd5) {
$html .= $this->_compareFiles($currentFilePath, $originalFile);
}
}
if ($this->_delSources){
$this->_delTree( $this->_cleanSourcesPath );
}
return $html;
}catch (Exception $e){
echo $e->getMessage();
if ($this->_delSources){
$this->_delTree( $this->_cleanSourcesPath );
}
}
}
}