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fr-command-rpm.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/*
 *  File-Roller
 *
 *  Copyright (C) 2001 The Free Software Foundation, Inc.
 *
 *  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 <stdlib.h>
#include <string.h>
#include <time.h>

#include <glib.h>
#include <libgnomevfs/gnome-vfs-types.h>
#include <libgnomevfs/gnome-vfs-mime.h>

#include "file-data.h"
#include "file-utils.h"
#include "glib-utils.h"
#include "fr-command.h"
#include "fr-command-rpm.h"

static void fr_command_rpm_class_init  (FRCommandRpmClass *class);
static void fr_command_rpm_init        (FRCommand         *afile);
static void fr_command_rpm_finalize    (GObject           *object);

/* Parent Class */

static FRCommandClass *parent_class = NULL;


/* -- list -- */

static time_t
mktime_from_string (char *month, 
                char *mday,
                char *year)
{
      static char  *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", 
                           "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
      struct tm     tm = {0, };

      if (month != NULL) {
            int i;
            for (i = 0; i < 12; i++)
                  if (strcmp (months[i], month) == 0) {
                        tm.tm_mon = i;
                        break;
                  }
      }
      tm.tm_mday = atoi (mday);
      tm.tm_year = atoi (year) - 1900;

      return mktime (&tm);
}


static void
list__process_line (char     *line, 
                gpointer  data)
{
      FileData    *fdata;
      FRCommand   *comm = FR_COMMAND (data);
      char       **fields;
      const char  *name_field;

      g_return_if_fail (line != NULL);

      if (line[0] == 'd') /* Ignore directories. */
            return;

      fdata = file_data_new ();

      fields = split_line (line, 8);
      fdata->size = g_ascii_strtoull (fields[4], NULL, 10);
      fdata->modified = mktime_from_string (fields[5], fields[6], fields[7]);
      g_strfreev (fields);

      /* Full path */

      name_field = get_last_field (line, 9);
      fields = g_strsplit (name_field, " -> ", 2);

      if (fields[1] == NULL) {
            g_strfreev (fields);
            fields = g_strsplit (name_field, " link to ", 2);
      }

      if (*(fields[0]) == '/') {
            fdata->full_path = g_strdup (fields[0]);
            fdata->original_path = fdata->full_path;
      } else {
            fdata->full_path = g_strconcat ("/", fields[0], NULL);
            fdata->original_path = fdata->full_path + 1;
      }

      if (fields[1] != NULL)
            fdata->link = g_strdup (fields[1]);
      g_strfreev (fields);

      fdata->name = g_strdup (file_name_from_path (fdata->full_path));
      fdata->path = remove_level_from_path (fdata->full_path);
      fdata->type = gnome_vfs_mime_type_from_name_or_default (fdata->name, GNOME_VFS_MIME_TYPE_UNKNOWN);

      if (*fdata->name == 0)
            file_data_free (fdata);
      else 
            comm->file_list = g_list_prepend (comm->file_list, fdata);
}


static void
fr_command_rpm_list (FRCommand *comm)
{
      fr_process_set_out_line_func (FR_COMMAND (comm)->process, 
                              list__process_line,
                              comm);

      fr_process_begin_command (comm->process, "rpm2cpio");
      fr_process_add_arg (comm->process, comm->e_filename);
      fr_process_add_arg (comm->process, "| cpio --list --force-local --verbose");
      fr_process_end_command (comm->process);
      fr_process_start (comm->process);
}


static void
fr_command_rpm_extract (FRCommand  *comm,
                  GList      *file_list,
                  const char *dest_dir,
                  gboolean    overwrite,
                  gboolean    skip_older,
                  gboolean    junk_paths,
                  const char *password)
{
      GList *scan;

      fr_process_begin_command (comm->process, "rpm2cpio");
      if (dest_dir != NULL)
                fr_process_set_working_dir (comm->process, dest_dir);
      fr_process_add_arg (comm->process, comm->e_filename);
      fr_process_add_arg (comm->process, "| cpio --extract --force-local --unconditional --make-directories");
      for (scan = file_list; scan; scan = scan->next) {
            char *filename = (char*) scan->data;
            fr_process_add_arg (comm->process, filename);
      }
      fr_process_end_command (comm->process);
      fr_process_start (comm->process);
}


static void 
fr_command_rpm_class_init (FRCommandRpmClass *class)
{
        GObjectClass   *gobject_class = G_OBJECT_CLASS (class);
        FRCommandClass *afc;

        parent_class = g_type_class_peek_parent (class);
      afc = (FRCommandClass*) class;

      gobject_class->finalize = fr_command_rpm_finalize;

        afc->list           = fr_command_rpm_list;
      afc->extract        = fr_command_rpm_extract;
}

 
static void 
fr_command_rpm_init (FRCommand *comm)
{
      comm->file_type = FR_FILE_TYPE_RPM;

      comm->propCanModify                = FALSE;
      comm->propAddCanUpdate             = FALSE;
      comm->propAddCanReplace            = FALSE;
      comm->propExtractCanAvoidOverwrite = FALSE;
      comm->propExtractCanSkipOlder      = FALSE;
      comm->propExtractCanJunkPaths      = FALSE;
      comm->propPassword                 = FALSE;
      comm->propTest                     = FALSE;
}


static void 
fr_command_rpm_finalize (GObject *object)
{
        g_return_if_fail (object != NULL);
        g_return_if_fail (FR_IS_COMMAND_RPM (object));

      /* Chain up */
        if (G_OBJECT_CLASS (parent_class)->finalize)
            G_OBJECT_CLASS (parent_class)->finalize (object);
}


GType
fr_command_rpm_get_type ()
{
        static GType type = 0;

        if (! type) {
                GTypeInfo type_info = {
                  sizeof (FRCommandRpmClass),
                  NULL,
                  NULL,
                  (GClassInitFunc) fr_command_rpm_class_init,
                  NULL,
                  NULL,
                  sizeof (FRCommandRpm),
                  0,
                  (GInstanceInitFunc) fr_command_rpm_init
            };

            type = g_type_register_static (FR_TYPE_COMMAND,
                                     "FRCommandRpm",
                                     &type_info,
                                     0);
        }

        return type;
}


FRCommand *
fr_command_rpm_new (FRProcess  *process,
                const char *filename)
{
      FRCommand *comm;

      if (!is_program_in_path("rpm2cpio")) {
            return NULL;
      }

      comm = FR_COMMAND (g_object_new (FR_TYPE_COMMAND_RPM, NULL));
      fr_command_construct (comm, process, filename);

      return comm;
}

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