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zip.c

/*
 *  Copyright (C) 2006 Giuseppe Torelli - <colossus73@gmail.com>
 *  Copyright (C) 2006 Benedikt Meurer - <benny@xfce.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
 */
 
#include "config.h"
#include "zip.h"
#include "string_utils.h"

void OpenZip ( XArchive *archive )
{
      gchar *command = g_strconcat ("unzip -vl -qq " , archive->escaped_path, NULL );
      archive->dummy_size = 0;
    archive->nr_of_files = 0;
    archive->nr_of_dirs = 0;
      archive->parse_output = ZipOpen;
      archive->format ="ZIP";
      SpawnAsyncProcess ( archive , command , 0, 0);
      g_free ( command );
      if ( archive->child_pid == 0 )
            return;

      char *names[]= {(_("Filename")),(_("Original")),(_("Method")),(_("Compressed")),(_("Ratio")),(_("Date")),(_("Time")),(_("CRC-32"))};
      GType types[]= {G_TYPE_STRING,G_TYPE_UINT64,G_TYPE_STRING,G_TYPE_UINT64,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_STRING};
      xa_create_liststore ( 8, names , (GType *)types );
}

gboolean ZipOpen (GIOChannel *ioc, GIOCondition cond, gpointer data)
{
      XArchive *archive = data;
      gchar *line = NULL;
      gchar *start = NULL;
      gchar *end = NULL;
      GValue  *filename = NULL;
      GValue *original = NULL;
      gchar *_original = NULL;
      GValue *method = NULL;
      GValue *compressed = NULL;
      gchar *_compressed = NULL;
      GValue *ratio = NULL;
      GValue *date = NULL;
      GValue *time = NULL;
      GValue *crc32 = NULL;
  GIOStatus status;

      if (cond & (G_IO_IN | G_IO_PRI) )
      {
    do
    {
      status = g_io_channel_read_line ( ioc, &line, NULL, NULL, NULL);
      if (line == NULL)
        break;

      filename    = g_new0(GValue, 1);
      original    = g_new0(GValue, 1);
      method      = g_new0(GValue, 1);
      compressed  = g_new0(GValue, 1);
      ratio       = g_new0(GValue, 1);
      date        = g_new0(GValue, 1);
      time        = g_new0(GValue, 1);
      crc32       = g_new0(GValue, 1);
      archive->row_cnt++;

      start = eat_spaces (line);
      end = strchr (start, ' ');
      original = g_value_init(original, G_TYPE_UINT64);
      _original = g_strndup ( start , end - start);
      g_value_set_uint64 ( original , atoll (_original) );
      g_free (_original);

      start = eat_spaces (end);
      end = strchr (start, ' ');
      method = g_value_init(method, G_TYPE_STRING);
      g_value_set_string ( method , g_strndup ( start , end - start) );

      start = eat_spaces (end);
      end = strchr (start, ' ');
      compressed = g_value_init(compressed, G_TYPE_UINT64);
      _compressed  = g_strndup ( start , end - start);
      g_value_set_uint64 (compressed , atoll (_compressed) );
      g_free (_compressed);

      start = eat_spaces (end);
      end = strchr (start, ' ');
      ratio = g_value_init(ratio, G_TYPE_STRING);
      g_value_set_string ( ratio , g_strndup ( start , end - start) );

      start = eat_spaces (end);
      end = strchr (start, ' ');
      date = g_value_init(date, G_TYPE_STRING);
      g_value_set_string ( date , g_strndup ( start , end - start) );
        
      start = eat_spaces (end);
      end = strchr (start, ' ');
      time = g_value_init(time, G_TYPE_STRING);
      g_value_set_string ( time , g_strndup ( start , end - start) );
        
      start = eat_spaces (end);
      end = strchr (start, ' ');
      crc32 = g_value_init(crc32, G_TYPE_STRING);
      g_value_set_string ( crc32 , g_strndup ( start , end - start) );
      
      start = eat_spaces (end);
      end = strchr (start, '\n');
      filename = g_value_init(filename, G_TYPE_STRING);
      g_value_set_string ( filename , g_strndup ( start , end - start) );

      archive->row = g_list_prepend(archive->row, filename);
      archive->row = g_list_prepend(archive->row, original);
      archive->row = g_list_prepend(archive->row, method);
      archive->row = g_list_prepend(archive->row, compressed);
      archive->row = g_list_prepend(archive->row, ratio);
      archive->row = g_list_prepend(archive->row, date);
      archive->row = g_list_prepend(archive->row, time);
      archive->row = g_list_prepend(archive->row, crc32);

      if ( g_str_has_suffix (g_value_get_string (filename) , "/") == TRUE)
        archive->nr_of_dirs++;
      else
        archive->nr_of_files++;
      archive->dummy_size += g_value_get_uint64 (original);
      g_free(line);

      if (archive->row_cnt > 99)
      {
        xa_append_rows ( archive , 8 );
        archive->row_cnt = 0;
      }
    }
    while (status == G_IO_STATUS_NORMAL);

    if (status == G_IO_STATUS_ERROR || status == G_IO_STATUS_EOF)
      goto done;
      }
      else if (cond & (G_IO_ERR | G_IO_HUP | G_IO_NVAL) )
      {
done:
            g_io_channel_shutdown ( ioc,TRUE,NULL );
            g_io_channel_unref (ioc);
            xa_append_rows ( archive , 8 );
            return FALSE;
      }
      return TRUE;
}


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