//tar 内存解压
import fsys.untar;
import fsys.stream;
import sevenZip.lzma;
	
namespace sevenZip.lzma;

class tar{
	ctor( data,extraDir ){
		if( ! (extraDir?..io.createDir(extraDir) ) ) return null,"错误的存储目录";
		
		data = ..sevenZip.lzma.unCompress(data);
		if(!data) return;
		
		var stream = ..fsys.stream(data,#data);
		var tarFile = ..fsys.untar(stream,extraDir);
		
		for _ in tarFile.eachBlock(1){}
		return true;
	};
}

/**intellisense()
sevenZip.lzma.tar(.(内存压缩数据,解压目录) = 用于内存快速解压小型 *.lzma.tar 压缩包
end intellisense**/