Objective-c ARC/Non-ARC compiler flag adder for tottepost

gistfile1.aw

<?php
if(isset($_SERVER['argv'][1]) == false){
	die("Please set xcode project file url¥n");
}
$filename = $_SERVER['argv'][1];

if(file_exists($filename) == false){
	die("Project file not exist¥n");
}

$dir = realpath(dirname(dirname($filename)));

$file = file($filename);
$files = array();

//list sources
foreach($file as $line){
	if(preg_match('/([a-zA-Z0-9-_+]+?¥.m) in Sources/', $line, $regs)){
		$fn = $regs[1];
		$files[$fn] = array("filename" => $fn, "arc" => true);
	}
}

//mark non-arc files
foreach($file as $line){
	if(preg_match('/([a-zA-Z0-9-_+]+?¥.m) in Sources.+(-fno-objc-arc)/', $line, $regs)){
		$fn = $regs[1];
		$files[$fn]["arc"] = false;
	}
}
$i = 0;
//get real path
foreach($files as $k => $file){
	$fn = $file["filename"];
	$realpaths = find($dir, $fn);
	$files[$k]["realpath"] = $realpaths[0];
	$i ++ ;
}

//check flag existance
foreach($files as $k => $file){
	if(isset($file["realpath"]) == false){
		continue;
	}
	$result = grep($file["realpath"], "__has_feature(objc_arc)");
	if($result){
		$files[$k]["flag"] = true;
		continue;
	}
	$files[$k]["flag"] = false;
}

$nonArcFlag = <<<EOD
#if __has_feature(objc_arc)
#error This file must be compiled with Non-ARC. use -fno-objc_arc flag (or convert project to Non-ARC)
#endif
EOD;

$arcFlag = <<<EOD
#if ! __has_feature(objc_arc)
#error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
#endif
EOD;

//insert flag
foreach($files as $k => $file){
	if(isset($file["realpath"]) == false){
		continue;
	}

	//ignore files
	if(!strpos($file["realpath"], 'PhotoSubmitter') ||
	   strpos($file["realpath"], 'KissXML') ||
	   strpos($file["realpath"], 'Libraries/Evernote')){
		continue;
	}

	$content = file_get_contents($file["realpath"]);
	if($file["flag"]){
		$content = preg_replace("/¥n#if.*?!?.*?__has_feature¥(objc_arc¥).+?#endif¥n?/ms", '', $content);
	}
	$pos = strpos($content, "#import");
	if($pos === FALSE){
		continue;
	}
	$flag = $nonArcFlag;
	if($file["arc"]){
		$flag = $arcFlag;
	}
	$content = mb_substr($content, 0, $pos) . $flag . "¥n¥n" . mb_substr($content, $pos);
	file_put_contents($file["realpath"], $content);
}

//-----------------------------------------------------------------------------
// util functions
//-----------------------------------------------------------------------------
/**
 * grep file
 */
function grep($file, $pattern){
	$file = escapeshellcmd($file);
	$results = shell_exec("head -n 40 $file | grep '$pattern'");
	return $results;	
}

/**
 * find files matching a pattern
 */
function find($dir, $pattern){
	$dir = escapeshellcmd($dir);
	$files = shell_exec("find $dir -name '$pattern' -print");
	$files = explode("¥n", trim($files));
	return $files;
}