// Experimental code to open and dissect a `.deb` archive

static class DebArchive
{
    const string DPKG_AR_MAGIC = "!<arch>\n";
    const string DPKG_AR_FMAG = "`\n";


    private static dpkg_ar dpkg_ar_fdopen(string filename, FileInfo fi)
    {
        return new dpkg_ar(
            filename,
            fi.UnixFileMode,
            fi.Length,
            fi.LastWriteTime,
            fi);
    }

    private static dpkg_ar dpkg_ar_open(string filename)
    {
        FileInfo fi = new FileInfo(filename);

        return dpkg_ar_fdopen(filename, fi);
    }
}

sealed class dpkg_ar
{
    string name;
    UnixFileMode mode;
    long size;
    DateTime time;
    FileInfo fi;

    public dpkg_ar(string name,
            UnixFileMode mode,
            long size,
            DateTime time,
            FileInfo fi)
    {
        this.name = name;
        this.mode = mode;
        this.size = size;
        this.time = time;
        this.fi = fi;
    }
}

/* TODO:
	- Read the sourcecode for dpkg and find the c# equivalents
		to extract an archive.
	- If neccessary write a parser manually.
*/
/* NOTE:
	- dpkg_ar is just FileInfo
	- We might need to define dpkg_ar_hdr
		- Pretty sure we can just find line ending in "`\n"
		and parse that though. Split on (" ")
	- Should then be able to read the files by streaming `size` bytes from the position after the and marker
*/