Esempio n. 1
0
static void
end_element (GMarkupParseContext  *context,
	     const gchar          *element_name,
	     gpointer              user_data,
	     GError              **error)
{
  ParseState *state = user_data;
  GError *my_error = NULL;

  if (strcmp (element_name, "gresource") == 0)
    {
      g_free (state->prefix);
      state->prefix = NULL;
    }

  else if (strcmp (element_name, "file") == 0)
    {
      gchar *file, *real_file;
      gchar *key;
      FileData *data;
      char *tmp_file = NULL;
      char *tmp_file2 = NULL;

      file = state->string->str;
      key = file;
      if (state->alias)
	key = state->alias;

      if (state->prefix)
	key = g_build_path ("/", "/", state->prefix, key, NULL);
      else
	key = g_build_path ("/", "/", key, NULL);

      if (g_hash_table_lookup (state->table, key) != NULL)
	{
	  g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
		       _("File %s appears multiple times in the resource"),
		       key);
	  return;
	}

      data = g_new0 (FileData, 1);

      if (sourcedirs != NULL)
        {
	  real_file = find_file (file);
	  if (real_file == NULL)
	    {
		g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
			     _("Failed to locate '%s' in any source directory"), file);
		return;
	    }
	}
      else
        {
	  gboolean exists;
	  exists = g_file_test (file, G_FILE_TEST_EXISTS);
	  if (!exists)
	    {
	      g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
			   _("Failed to locate '%s' in current directory"), file);
	      return;
	    }
	  real_file = g_strdup (file);
	}

      data->filename = g_strdup (real_file);
      if (!state->collect_data)
        goto done;

      if (state->preproc_options)
        {
          gchar **options;
          guint i;
          gboolean xml_stripblanks = FALSE;
          gboolean to_pixdata = FALSE;

          options = g_strsplit (state->preproc_options, ",", -1);

          for (i = 0; options[i]; i++)
            {
              if (!strcmp (options[i], "xml-stripblanks"))
                xml_stripblanks = TRUE;
              else if (!strcmp (options[i], "to-pixdata"))
                to_pixdata = TRUE;
              else
                {
                  g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
                               _("Unknown processing option \"%s\""), options[i]);
                  g_strfreev (options);
                  goto cleanup;
                }
            }
          g_strfreev (options);

          if (xml_stripblanks && xmllint != NULL)
            {
              int fd;
	      GSubprocess *proc;

              tmp_file = g_strdup ("resource-XXXXXXXX");
              if ((fd = g_mkstemp (tmp_file)) == -1)
                {
                  int errsv = errno;

                  g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
                               _("Failed to create temp file: %s"),
                              g_strerror (errsv));
                  g_free (tmp_file);
                  tmp_file = NULL;
                  goto cleanup;
                }
              close (fd);

              proc = g_subprocess_new (G_SUBPROCESS_FLAGS_STDOUT_SILENCE, error,
                                       xmllint, "--nonet", "--noblanks", "--output", tmp_file, real_file, NULL);
              g_free (real_file);
	      real_file = NULL;

	      if (!proc)
		goto cleanup;

	      if (!g_subprocess_wait_check (proc, NULL, error))
		{
		  g_object_unref (proc);
                  goto cleanup;
                }

	      g_object_unref (proc);

              real_file = g_strdup (tmp_file);
            }

          if (to_pixdata)
            {
              int fd;
	      GSubprocess *proc;

              if (gdk_pixbuf_pixdata == NULL)
                {
                  g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
                                       "to-pixbuf preprocessing requested but GDK_PIXBUF_PIXDATA "
                                       "not set and gdk-pixbuf-pixdata not found in path");
                  goto cleanup;
                }

              tmp_file2 = g_strdup ("resource-XXXXXXXX");
              if ((fd = g_mkstemp (tmp_file2)) == -1)
                {
                  int errsv = errno;

                  g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
                               _("Failed to create temp file: %s"),
			       g_strerror (errsv));
                  g_free (tmp_file2);
                  tmp_file2 = NULL;
                  goto cleanup;
                }
              close (fd);

              proc = g_subprocess_new (G_SUBPROCESS_FLAGS_STDOUT_SILENCE, error,
                                       gdk_pixbuf_pixdata, real_file, tmp_file2, NULL);
              g_free (real_file);
              real_file = NULL;

	      if (!g_subprocess_wait_check (proc, NULL, error))
		{
		  g_object_unref (proc);
                  goto cleanup;
		}

	      g_object_unref (proc);

              real_file = g_strdup (tmp_file2);
            }
	}

      if (!g_file_get_contents (real_file, &data->content, &data->size, &my_error))
	{
	  g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
		       _("Error reading file %s: %s"),
		       real_file, my_error->message);
	  g_clear_error (&my_error);
	  goto cleanup;
	}
      /* Include zero termination in content_size for uncompressed files (but not in size) */
      data->content_size = data->size + 1;

      if (state->compressed)
	{
	  GOutputStream *out = g_memory_output_stream_new (NULL, 0, g_realloc, g_free);
	  GZlibCompressor *compressor =
	    g_zlib_compressor_new (G_ZLIB_COMPRESSOR_FORMAT_ZLIB, 9);
	  GOutputStream *out2 = g_converter_output_stream_new (out, G_CONVERTER (compressor));

	  if (!g_output_stream_write_all (out2, data->content, data->size,
					  NULL, NULL, NULL) ||
	      !g_output_stream_close (out2, NULL, NULL))
	    {
	      g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
			   _("Error compressing file %s"),
			   real_file);
	      goto cleanup;
	    }

	  g_free (data->content);
	  data->content_size = g_memory_output_stream_get_size (G_MEMORY_OUTPUT_STREAM (out));
	  data->content = g_memory_output_stream_steal_data (G_MEMORY_OUTPUT_STREAM (out));

	  g_object_unref (compressor);
	  g_object_unref (out);
	  g_object_unref (out2);

	  data->flags |= G_RESOURCE_FLAGS_COMPRESSED;
	}

    done:

      g_hash_table_insert (state->table, key, data);

    cleanup:
      /* Cleanup */

      g_free (state->alias);
      state->alias = NULL;
      g_string_free (state->string, TRUE);
      state->string = NULL;
      g_free (state->preproc_options);
      state->preproc_options = NULL;

      g_free (real_file);

      if (tmp_file)
        {
          unlink (tmp_file);
          g_free (tmp_file);
        }

      if (tmp_file2)
        {
          unlink (tmp_file2);
          g_free (tmp_file2);
        }
    }
}
Esempio n. 2
0
static gboolean
archive_spawnv (GFile                *dir,
                char                **output,
                GError              **error,
                const gchar * const  *argv)
{
  g_autoptr(GSubprocessLauncher) launcher = NULL;
  g_autoptr(GSubprocess) subp = NULL;
  GInputStream *in;
  g_autoptr(GOutputStream) out = NULL;
  g_autoptr(GMainLoop) loop = NULL;
  SpawnData data = {0};
  g_autofree gchar *commandline = NULL;

  launcher = g_subprocess_launcher_new (G_SUBPROCESS_FLAGS_NONE);

  if (output)
    g_subprocess_launcher_set_flags (launcher, G_SUBPROCESS_FLAGS_STDOUT_PIPE);

  if (dir)
    {
      g_autofree char *path = g_file_get_path (dir);
      g_subprocess_launcher_set_cwd (launcher, path);
    }

  commandline = g_strjoinv (" ", (gchar **) argv);
  g_debug ("Running '%s'", commandline);

  subp = g_subprocess_launcher_spawnv (launcher, argv, error);

  if (subp == NULL)
    return FALSE;

  loop = g_main_loop_new (NULL, FALSE);

  data.loop = loop;
  data.refs = 1;

  if (output)
    {
      data.refs++;
      in = g_subprocess_get_stdout_pipe (subp);
      out = g_memory_output_stream_new_resizable ();
      g_output_stream_splice_async (out,
                                    in,
                                    G_OUTPUT_STREAM_SPLICE_NONE,
                                    0,
                                    NULL,
                                    spawn_output_spliced_cb,
                                    &data);
    }

  g_subprocess_wait_async (subp, NULL, spawn_exit_cb, &data);

  g_main_loop_run (loop);

  if (data.error)
    {
      g_propagate_error (error, data.error);
      g_clear_error (&data.splice_error);
      return FALSE;
    }

  if (out)
    {
      if (data.splice_error)
        {
          g_propagate_error (error, data.splice_error);
          return FALSE;
        }

      /* Null terminate */
      g_output_stream_write (out, "\0", 1, NULL, NULL);
      g_output_stream_close (out, NULL, NULL);
      *output = g_memory_output_stream_steal_data (G_MEMORY_OUTPUT_STREAM (out));
    }

  return TRUE;
}