示例#1
0
文件: gtkcssparser.c 项目: 3v1n0/gtk
GFile *
_gtk_css_parser_read_url (GtkCssParser *parser)
{
  gchar *path;
  char *scheme;
  GFile *file;

  if (_gtk_css_parser_try (parser, "url", FALSE))
    {
      if (!_gtk_css_parser_try (parser, "(", TRUE))
        {
          _gtk_css_parser_skip_whitespace (parser);
          if (_gtk_css_parser_try (parser, "(", TRUE))
            {
              _gtk_css_parser_error_full (parser,
                                          GTK_CSS_PROVIDER_ERROR_DEPRECATED,
                                          "Whitespace between 'url' and '(' is deprecated");
            }
          else
            {
              _gtk_css_parser_error (parser, "Expected '(' after 'url'");
              return NULL;
            }
        }

      path = _gtk_css_parser_read_string (parser);
      if (path == NULL)
        return NULL;

      if (!_gtk_css_parser_try (parser, ")", TRUE))
        {
          _gtk_css_parser_error (parser, "No closing ')' found for 'url'");
          g_free (path);
          return NULL;
        }

      scheme = g_uri_parse_scheme (path);
      if (scheme != NULL)
	{
	  file = g_file_new_for_uri (path);
	  g_free (path);
	  g_free (scheme);
	  return file;
	}
    }
  else
    {
      path = _gtk_css_parser_try_name (parser, TRUE);
      if (path == NULL)
        {
          _gtk_css_parser_error (parser, "Not a valid url");
          return NULL;
        }
    }

  file = _gtk_css_parser_get_file_for_path (parser, path);
  g_free (path);

  return file;
}
示例#2
0
GFile *
_gtk_css_parse_url (GtkCssParser *parser,
                    GFile        *base)
{
  gchar *path;
  GFile *file;

  if (_gtk_css_parser_try (parser, "url", FALSE))
    {
      if (!_gtk_css_parser_try (parser, "(", TRUE))
        {
          _gtk_css_parser_skip_whitespace (parser);
          if (_gtk_css_parser_try (parser, "(", TRUE))
            {
              GError *error;
              
              error = g_error_new_literal (GTK_CSS_PROVIDER_ERROR,
                                           GTK_CSS_PROVIDER_ERROR_DEPRECATED,
                                           "Whitespace between 'url' and '(' is not allowed");
                             
              _gtk_css_parser_take_error (parser, error);
            }
          else
            {
              _gtk_css_parser_error (parser, "Expected '(' after 'url'");
              return NULL;
            }
        }

      path = _gtk_css_parser_read_string (parser);
      if (path == NULL)
        return NULL;

      if (!_gtk_css_parser_try (parser, ")", TRUE))
        {
          _gtk_css_parser_error (parser, "No closing ')' found for 'url'");
          g_free (path);
          return NULL;
        }
    }
  else
    {
      path = _gtk_css_parser_try_name (parser, TRUE);
      if (path == NULL)
        {
          _gtk_css_parser_error (parser, "Not a valid url");
          return NULL;
        }
    }

  file = g_file_resolve_relative_path (base, path);
  g_free (path);

  return file;
}
示例#3
0
文件: gtkcssparser.c 项目: Pfiver/gtk
GtkSymbolicColor *
_gtk_css_parser_read_symbolic_color (GtkCssParser *parser)
{
  GtkSymbolicColor *symbolic;
  guint color;
  const char *names[] = {"rgba", "rgb",  "lighter", "darker", "shade", "alpha", "mix",
			 GTK_WIN32_THEME_SYMBOLIC_COLOR_NAME};
  char *name;

  g_return_val_if_fail (GTK_IS_CSS_PARSER (parser), NULL);

  if (_gtk_css_parser_try (parser, "@", FALSE))
    {
      name = _gtk_css_parser_try_name (parser, TRUE);

      if (name)
        {
          symbolic = gtk_symbolic_color_new_name (name);
        }
      else
        {
          _gtk_css_parser_error (parser, "'%s' is not a valid symbolic color name", name);
          symbolic = NULL;
        }

      g_free (name);
      return symbolic;
    }

  for (color = 0; color < G_N_ELEMENTS (names); color++)
    {
      if (_gtk_css_parser_try (parser, names[color], TRUE))
        break;
    }

  if (color < G_N_ELEMENTS (names))
    return gtk_css_parser_read_symbolic_color_function (parser, color);

  symbolic = gtk_css_parser_try_hash_color (parser);
  if (symbolic)
    return symbolic;

  name = _gtk_css_parser_try_name (parser, TRUE);
  if (name)
    {
      GdkRGBA rgba;

      if (gdk_rgba_parse (&rgba, name))
        {
          symbolic = gtk_symbolic_color_new_literal (&rgba);
        }
      else
        {
          _gtk_css_parser_error (parser, "'%s' is not a valid color name", name);
          symbolic = NULL;
        }
      g_free (name);
      return symbolic;
    }

  _gtk_css_parser_error (parser, "Not a color definition");
  return NULL;
}