/*

 * GNOME Online Miners - crawls through your online content

 * Copyright (c) 2011, 2012 Red Hat, 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., 51 Franklin Street, Fifth Floor, Boston, MA

 * 02110-1301, USA.

 *

 * Author: Cosimo Cecchi <cosimoc@redhat.com>

 *

 */

#include <string.h>

#include "gom-utils.h"

static const char *

gom_filename_get_extension_offset (const char *filename)

{

	char *end, *end2;

	end = strrchr (filename, '.');

	if (end && end != filename) {

		if (strcmp (end, ".gz") == 0 ||

		    strcmp (end, ".bz2") == 0 ||

		    strcmp (end, ".sit") == 0 ||

		    strcmp (end, ".Z") == 0) {

			end2 = end - 1;

			while (end2 > filename &&

			       *end2 != '.') {

				end2--;

			}

			if (end2 != filename) {

				end = end2;

			}

		}

	}

	return end;

}

gchar *

gom_filename_strip_extension (const gchar *filename_with_extension)

{

  gchar *end;

  gchar *filename;

  if (filename_with_extension == NULL)

    return NULL;

  filename = g_strdup (filename_with_extension);

  end = (gchar *) gom_filename_get_extension_offset (filename);

  if (end != NULL && end != filename)

    *end = '\0';

  return filename;

}

const gchar *

gom_filename_to_rdf_type (const gchar *filename_with_extension)

{

  const gchar *extension;

  const gchar *type = NULL;

  g_return_val_if_fail (filename_with_extension != NULL, NULL);

  extension = gom_filename_get_extension_offset (filename_with_extension);

  if (g_strcmp0 (extension, ".txt") == 0)

    type = "nfo:HtmlDocument";

  else if (g_strcmp0 (extension, ".doc") == 0

      || g_strcmp0 (extension, ".docm") == 0

      || g_strcmp0 (extension, ".docx") == 0

      || g_strcmp0 (extension, ".dot") == 0

      || g_strcmp0 (extension, ".dotx") == 0

      || g_strcmp0 (extension, ".odt") == 0

      || g_strcmp0 (extension, ".pdf") == 0)

    type = "nfo:PaginatedTextDocument";

  else if (g_strcmp0 (extension, ".epub") == 0

           || g_strcmp0 (extension, ".djv") == 0

           || g_strcmp0 (extension, ".djvu") == 0

           || g_strcmp0 (extension, ".cbr") == 0

           || g_strcmp0 (extension, ".cbz") == 0

           || g_strcmp0 (extension, ".cbt") == 0

           || g_strcmp0 (extension, ".cb7") == 0

           || g_strcmp0 (extension, ".fb2") == 0

           || g_strcmp0 (extension, ".fb2.zip") == 0

           || g_strcmp0 (extension, ".mobi") == 0

           || g_strcmp0 (extension, ".prc") == 0)

    type = "nfo:EBook";

  else if (g_strcmp0 (extension, ".odp") == 0

           || g_strcmp0 (extension, ".pot") == 0

           || g_strcmp0 (extension, ".potm") == 0

           || g_strcmp0 (extension, ".potx") == 0

           || g_strcmp0 (extension, ".pps") == 0

           || g_strcmp0 (extension, ".ppsm") == 0

           || g_strcmp0 (extension, ".ppsx") == 0

           || g_strcmp0 (extension, ".ppt") == 0

           || g_strcmp0 (extension, ".pptm") == 0

           || g_strcmp0 (extension, ".pptx") == 0)

    type = "nfo:Presentation";

  else if (g_strcmp0 (extension, ".txt") == 0)

    type = "nfo:PlainTextDocument";

  else if (g_strcmp0 (extension, ".ods") == 0

           || g_strcmp0 (extension, ".xls") == 0

           || g_strcmp0 (extension, ".xlsb") == 0

           || g_strcmp0 (extension, ".xlsm") == 0

           || g_strcmp0 (extension, ".xlsx") == 0)

    type = "nfo:Spreadsheet";

  return type;

}

gchar *

gom_iso8601_from_timestamp (gint64 timestamp)

{

  GTimeVal tv;

  tv.tv_sec = timestamp;

  tv.tv_usec = 0;

  return g_time_val_to_iso8601 (&tv;;

}