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fr-command-zoo.c

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

/*
 *  File-Roller
 *
 *  Copyright (C) 2003 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 <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-zoo.h"

static void fr_command_zoo_class_init  (FRCommandZooClass *class);
static void fr_command_zoo_init        (FRCommand         *afile);
static void fr_command_zoo_finalize    (GObject           *object);

/* Parent Class */

static FRCommandClass *parent_class = NULL;


/* -- list -- */

static time_t
mktime_from_string_zoo (char *mday_s,
                  char *month_s,
                  char *year_s,
                  char *time_s)
{
      struct tm  tm = {0, };
      char **fields;
      int year;

      /* This will break in 2075 */
      year = atoi (year_s);
      if (year >= 75) {
            tm.tm_year = year;
      } else {
            tm.tm_year = 100 + year;
      }

      if (g_ascii_strncasecmp(month_s, "Jan", 3) == 0) {
            tm.tm_mon = 0;
      } else if (g_ascii_strncasecmp(month_s, "Feb", 3) == 0) {
            tm.tm_mon = 1;
      } else if (g_ascii_strncasecmp(month_s, "Mar", 3) == 0) {
            tm.tm_mon = 2;
      } else if (g_ascii_strncasecmp(month_s, "Apr", 3) == 0) {
            tm.tm_mon = 3;
      } else if (g_ascii_strncasecmp(month_s, "May", 3) == 0) {
            tm.tm_mon = 4;
      } else if (g_ascii_strncasecmp(month_s, "Jun", 3) == 0) {
            tm.tm_mon = 5;
      } else if (g_ascii_strncasecmp(month_s, "Jul", 3) == 0) {
            tm.tm_mon = 6;
      } else if (g_ascii_strncasecmp(month_s, "Aug", 3) == 0) {
            tm.tm_mon = 7;
      } else if (g_ascii_strncasecmp(month_s, "Sep", 3) == 0) {
            tm.tm_mon = 8;
      } else if (g_ascii_strncasecmp(month_s, "Oct", 3) == 0) {
            tm.tm_mon = 9;
      } else if (g_ascii_strncasecmp(month_s, "Nov", 3) == 0) {
            tm.tm_mon = 10;
      } else if (g_ascii_strncasecmp(month_s, "Dec", 3) == 0) {
            tm.tm_mon = 11;
      }

      tm.tm_mday = atoi (mday_s);

      fields = g_strsplit (time_s, ":", 3);
      if (fields[0] != NULL) {
            tm.tm_hour = atoi (fields[0]);
            if (fields[1] != NULL) {
                  tm.tm_min  = atoi (fields[1]);
                  if (fields[2] != NULL)
                        tm.tm_sec  = atoi (fields[2]);
            }
      }

      g_strfreev (fields);

      return mktime (&tm);
}


static char **
split_line_zoo (char *line)
{
      char       **fields;
      const char  *scan, *field_end;
      int          i;

      if (line[0] == '-') {
            return NULL;
      }

      fields = g_new0 (char *, 6);
      fields[5] = NULL;

      /* Get Length */
      scan = eat_spaces (line);
      field_end = strchr (scan, ' ');
      fields[0] = g_strndup (scan, field_end - scan);
      scan = eat_spaces (field_end);

      /* Toss CF, Size Now */
      for (i = 0; i < 2; i++) {
            field_end = strchr (scan, ' ');
            scan = eat_spaces (field_end);
      }

      /* Get Day, Month, Year, Time */
      for (i = 1; i < 5; i++) {
            if (i == 2 && g_ascii_strncasecmp (scan, "file", 4) == 0) {
                  g_strfreev(fields);
                  return NULL;
            }
            field_end = strchr (scan, ' ');
            fields[i] = g_strndup (scan, field_end - scan);
            scan = eat_spaces (field_end);
      }

      return fields;
}


static const char *
get_last_field_zoo (char *line)
{
      const char *field;
      int         i;
      int         n = 6;

      field = eat_spaces (line);
      for (i = 0; i < n; i++) {
            field = strchr (field, ' ');
            field = eat_spaces (field);
      }
      field = strchr (field, ' ');
      if (g_ascii_strncasecmp (field, " C ", 3) == 0) {
            field = eat_spaces (field);
            field = strchr (field, ' ');
            field = eat_spaces (field);
      } else 
            field = eat_spaces (field);

      return field;
}


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

      g_return_if_fail (line != NULL);
      if (line[0] == '-')
            return;

      fields = split_line_zoo (line);
      if (fields == NULL)
            return;

      fdata = file_data_new ();

      fdata->size = g_ascii_strtoull (fields[0], NULL, 10);
      fdata->modified = mktime_from_string_zoo (fields[1],
                                      fields[2],
                                      fields[3],
                                      fields[4]);
      g_strfreev (fields);

      /* Full path */

      name_field = get_last_field_zoo (line);
      if (*(name_field) == '/') {
            fdata->full_path = g_strdup (name_field);
            fdata->original_path = fdata->full_path;
      } else {
            fdata->full_path = g_strconcat ("/", name_field, NULL);
            fdata->original_path = fdata->full_path + 1;
      }

      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
            zoo_comm->file_list = g_list_prepend (zoo_comm->file_list, fdata);
}


static void
fr_command_zoo_list (FRCommand *zoo_comm)
{
      fr_process_set_out_line_func (FR_COMMAND (zoo_comm)->process,
                              process_zoo_line,
                              zoo_comm);

      fr_process_begin_command (zoo_comm->process, "zoo");
      fr_process_add_arg (zoo_comm->process, "lq");
      fr_process_add_arg (zoo_comm->process, zoo_comm->e_filename);
      fr_process_end_command (zoo_comm->process);
      fr_process_start (zoo_comm->process);
}


static void
fr_command_zoo_add (FRCommand     *comm,
                GList         *file_list,
                const char    *base_dir,
                gboolean       update,
                const char    *password,
                FRCompression  compression)
{
      GList        *scan;

      /* Add files. */

      fr_process_begin_command (comm->process, "zoo");

      fr_process_set_working_dir (comm->process, base_dir);

      if (update) 
            fr_process_add_arg (comm->process, "auP");
      else
            fr_process_add_arg (comm->process, "aP");

      fr_process_add_arg (comm->process, comm->e_filename);

      for (scan = file_list; scan; scan = scan->next)
            fr_process_add_arg (comm->process, scan->data);
      fr_process_end_command (comm->process);
}


static void
fr_command_zoo_delete (FRCommand *comm,
                   GList     *file_list)
{
      GList        *scan;

      /* Delete files. */

      fr_process_begin_command (comm->process, "zoo");
      fr_process_add_arg (comm->process, "DP");
      fr_process_add_arg (comm->process, comm->e_filename);

      for (scan = file_list; scan; scan = scan->next)
            fr_process_add_arg (comm->process, scan->data);
      fr_process_end_command (comm->process);
}


static void
fr_command_zoo_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, "zoo");

      if (overwrite)
            fr_process_add_arg (comm->process, "xO");
      else
            fr_process_add_arg (comm->process, "x");

      fr_process_add_arg (comm->process, comm->e_filename);

      if (dest_dir != NULL)
            fr_process_set_working_dir (comm->process, dest_dir);

      for (scan = file_list; scan; scan = scan->next)
            fr_process_add_arg (comm->process, scan->data);

      fr_process_end_command (comm->process);
}


static void
fr_command_zoo_test (FRCommand   *comm,
                 const char  *password)
{
      fr_process_begin_command (comm->process, "zoo");
      fr_process_add_arg (comm->process, "-test");
      fr_process_add_arg (comm->process, comm->e_filename);
      fr_process_end_command (comm->process);
}


static void 
fr_command_zoo_class_init (FRCommandZooClass *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_zoo_finalize;

        afc->list         = fr_command_zoo_list;
      afc->add          = fr_command_zoo_add;
      afc->delete       = fr_command_zoo_delete;
      afc->extract      = fr_command_zoo_extract;
      afc->test         = fr_command_zoo_test;
}

 
static void 
fr_command_zoo_init (FRCommand *comm)
{
      comm->file_type = FR_FILE_TYPE_ZOO;

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


static void 
fr_command_zoo_finalize (GObject *object)
{
        g_return_if_fail (object != NULL);
        g_return_if_fail (FR_IS_COMMAND_ZOO (object));

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


GType
fr_command_zoo_get_type ()
{
        static GType type = 0;

        if (! type) {
                GTypeInfo type_info = {
                  sizeof (FRCommandZooClass),
                  NULL,
                  NULL,
                  (GClassInitFunc) fr_command_zoo_class_init,
                  NULL,
                  NULL,
                  sizeof (FRCommandZoo),
                  0,
                  (GInstanceInitFunc) fr_command_zoo_init
            };

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

        return type;
}

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

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

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

      return comm;
}

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