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7zip.c

/*
 *  Copyright (C) 2006 Giuseppe Torelli - <colossus73@gmail.com>
 *
 *  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 "7zip.h"
#include "string_utils.h"
 
void Open7Zip ( XArchive *archive)
{
    jump_header = FALSE;
      gchar *command = g_strconcat ( "7za l " , archive->escaped_path, NULL );
      archive->dummy_size = 0;
    archive->nr_of_files = 0;
    archive->nr_of_dirs = 0;
      archive->format ="7-ZIP";
      archive->parse_output = SevenZipOpen;
      SpawnAsyncProcess ( archive , command , 0, 0);
      g_free ( command );
      if ( archive->child_pid == 0 )
            return;

      char *names[]= {(_("Filename")),(_("Original")),(_("Compressed")),(_("Attr")),(_("Time")),(_("Date"))};
      GType types[]= {G_TYPE_STRING,G_TYPE_UINT64,G_TYPE_UINT64,G_TYPE_STRING,G_TYPE_STRING,G_TYPE_STRING};
      xa_create_liststore ( 6, names , (GType *)types );
}

gboolean SevenZipOpen (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 *attr = NULL;
      GValue *compressed = NULL;
      gchar *_compressed = NULL;
      GValue *time = NULL;
      GValue *date = NULL;
      unsigned short int x;

      if (cond & (G_IO_IN | G_IO_PRI) )
      {
            //This to avoid inserting in the liststore 7zip's message
            if (jump_header == FALSE )
            {
                  for ( x = 0; x <= 7; x++)
                  {
                        g_io_channel_read_line ( ioc, &line, NULL, NULL, NULL );
                        if (line != NULL)
                              g_free (line);
                  }
                  jump_header = TRUE;
            }
            g_io_channel_read_line ( ioc, &line, NULL, NULL, NULL );
            if ( line == NULL )
                  return TRUE;
            //This to avoid inserting the last line of output
            if (strncmp (line, "-------------------", 19) == 0 || strncmp (line, "\x0a",1) == 0)
            {
                  g_free (line);
                  g_io_channel_read_line ( ioc, &line, NULL, NULL, NULL );
                  if (line != NULL)
                        g_free (line);
                  return TRUE;
            }
            filename    = g_new0(GValue, 1);
            original    = g_new0(GValue, 1);
            compressed  = g_new0(GValue, 1);
            attr        = g_new0(GValue, 1);
            date        = g_new0(GValue, 1);
            time        = g_new0(GValue, 1);
            archive->row_cnt++;
            
            start = eat_spaces (line);
            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, ' ');
            attr = g_value_init(attr, G_TYPE_STRING);
            g_value_set_string ( attr , g_strndup ( start , end - start) );

            start = eat_spaces (end);
            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, ' ');
            compressed = g_value_init(compressed, G_TYPE_UINT64);
            /* The following if else to fix archives compressed with ms=on (default on 7za) */
            if (end != NULL)
            {
                  _compressed = g_strndup ( start , end - start);
                  g_value_set_uint64 ( compressed , atoll (_compressed) );
                  g_free (_compressed);

                  start = eat_spaces (end);
            }
            else
            {
                  unsigned long long int zero = 0;
                  g_value_set_uint64 ( compressed , zero );
            }

            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, compressed);
            archive->row = g_list_prepend(archive->row, attr);
            archive->row = g_list_prepend(archive->row, time);
            archive->row = g_list_prepend(archive->row, date);
                  
            if ( g_str_has_prefix(g_value_get_string (attr), "D") == FALSE)
                  archive->nr_of_files++;
            else
                  archive->nr_of_dirs++;
            archive->dummy_size += g_value_get_uint64 (original);
            g_free (line);
            if (archive->row_cnt > 99)
            {
                  xa_append_rows ( archive , 6 );
                  archive->row_cnt = 0;
            }
      }
      else if (cond & (G_IO_ERR | G_IO_HUP) )
      {
            g_io_channel_shutdown ( ioc,TRUE,NULL );
            g_io_channel_unref (ioc);
            xa_append_rows ( archive , 6 );
            return FALSE;
      }
      return TRUE;
}



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