/*
 *	Copyright (c) 2000,2001 Guido Draheim <guidod@gmx.de>
 *      Use freely under the restrictions of the ZLIB license.
 *
 *      Modified by Andreas Schiffler, 2001, for the zzipwrap feature
 *      Modified by Guido Draheim in 2002 for the plugin_io feature
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h> /* exit */

#include <zzip/zzip.h>
/* #incl <zzip/wrap.h> */
#include      "wrap.h"

#ifndef O_BINARY
#define O_BINARY 0
#endif

static const char usage[] = 
{
    "zzipwrap <dir>.. \n"
    "  - prints a content table to stdout, but the dir can also be a zip-arch."
    "\n"
    " To show the contents of a zip-archive named 'test.zip', you may write \n"
    "     zzipwrap test \n"
};

/* This is a demo block callback routine that has access to the buffer */
/* that was just read BEFORE it is used by zziplib.                    */
static void demo_block_callback (void *buffer, int buffersize, void *data)
{
 fprintf (stderr,
	  "demo_block_callback( buffer-pointer=%p"
	  " buffer-size=%i  data='%s' )\n",
	  buffer,buffersize,(char*)data);
}

int 
main (int argc, char ** argv)
{
    zzip_plugin_io_t io;
    int argn;

    if (argc <= 1)
    {
        printf (usage);
        exit(0);
    }

    /* Enable blocked (32 bytes) memory buffered IO routines with a */
    /* demo callback routine. */
    io = zzipwrap_use_memory_io(32, demo_block_callback,
				(void*) "Some callback data");
    if (! io)
    {
	fprintf(stderr, "could not initialize memory-io");
	return 1;
    }

    for (argn=1; argn < argc; argn++)
    {
        ZZIP_DIR * dir;
        ZZIP_DIRENT * d;
  
        dir = zzip_opendir_ext_io(argv[argn], 0, 0, io);
        if (! dir)
        {
            fprintf (stderr, "did not open %s:", argv[argn]);
            perror(argv[argn]);
            continue;
        }
  
        if (argc > 2) printf ("%s:\n", argv[argn]);

	/* read each dir entry and show one line of info per file */
        while ((d = zzip_readdir (dir)))
        {
	    /* orignalsize / compression-type / compression-ratio / filename */
            if (d->st_size > 999999)
            {
                printf ("%5dK %-9s %2d%% %s\n", 
			d->st_size>>10, 
			zzip_compr_str(d->d_compr), 
			100 - (d->d_csize|1)/((d->st_size/100)|1),
			d->d_name);
            }else{
                printf ("%6d %-9s %2d%% %s\n", 
			d->st_size, 
			zzip_compr_str(d->d_compr), 
			100 - (d->d_csize|1)*100/(d->st_size|1),
			d->d_name);
            }
        }

        zzip_closedir(dir);
    }
    
    return 0;
}