• Charles (4/4) Dec 14 2003 I've never used zlib, does someone have an example of how I could use
• Walter (67/69) Dec 15 2003 import std.file;

"Charles" <sanders-consulting comcast.net> writes:

I've never used zlib, does someone have an example of how I could use
std.zip to zip a directory ?

Thanks,
C

"Walter" <walter digitalmars.com> writes:

"Charles" <sanders-consulting comcast.net> wrote in message
news:brikk1$8bp$1 digitaldaemon.com...
 I've never used zlib, does someone have an example of how I could use
 std.zip to zip a directory ?


import std.file;
import std.date;
import std.zip;
import std.zlib;

int main(char[][] args)
{
    byte[] buffer;
    std.zip.ZipArchive zr;
    char[] zipname;
    ubyte[] data;

    testzlib();
    if (args.length > 1)
 zipname = args[1];
    else
 zipname = "test.zip";
    buffer = cast(byte[])std.file.read(zipname);
    zr = new std.zip.ZipArchive(cast(void[])buffer);
    printf("comment = '%.*s'\n", zr.comment);
    zr.print();

    foreach (ArchiveMember de; zr.directory)
    {
 de.print();
 printf("date = '%.*s'\n", std.date.toString(std.date.toDtime(de.time)));

 arrayPrint(de.compressedData);

 data = zr.expand(de);
 printf("data = '%.*s'\n", data);
    }

    printf("**Success**\n");

    zr = new std.zip.ZipArchive();
    ArchiveMember am = new ArchiveMember();
    am.compressionMethod = 8;
    am.name = "foo.bar";
    //am.extra = cast(ubyte[])"ExTrA";
    am.expandedData = cast(ubyte[])"We all live in a yellow submarine, a
yellow submarine";
    am.expandedSize = am.expandedData.length;
    zr.addMember(am);
    void[] data2 = zr.build();
    std.file.write("foo.zip", cast(byte[])data2);

    return 0;
}

void arrayPrint(ubyte[] array)
{
    //printf("array %p,%d\n", (void*)array, array.length);
    for (int i = 0; i < array.length; i++)
    {
 printf("%02x ", array[i]);
 if (((i + 1) & 15) == 0)
     printf("\n");
    }
    printf("\n\n");
}

void testzlib()
{
    ubyte[] src = cast(ubyte[])
"the quick brown fox jumps over the lazy dog\r
the quick brown fox jumps over the lazy dog\r
";
    ubyte[] dst;

    arrayPrint(src);
    dst = cast(ubyte[])std.zlib.compress(cast(void[])src);
    arrayPrint(dst);
    src = cast(ubyte[])std.zlib.uncompress(cast(void[])dst);
    arrayPrint(src);
}