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;
}
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;
}
static gboolean
string_value_parse (GtkCssParser *parser,
GValue *value)
{
char *str = _gtk_css_parser_read_string (parser);
if (str == NULL)
return FALSE;
g_value_take_string (value, str);
return TRUE;
}
char *
_gtk_css_parser_read_uri (GtkCssParser *parser)
{
char *result;
g_return_val_if_fail (GTK_IS_CSS_PARSER (parser), NULL);
if (!_gtk_css_parser_try (parser, "url(", TRUE))
{
_gtk_css_parser_error (parser, "expected 'url('");
return NULL;
}
_gtk_css_parser_skip_whitespace (parser);
if (_gtk_css_parser_is_string (parser))
{
result = _gtk_css_parser_read_string (parser);
}
else
{
GString *str = g_string_new (NULL);
while (_gtk_css_parser_read_char (parser, str, URLCHAR))
;
result = g_string_free (str, FALSE);
if (result == NULL)
_gtk_css_parser_error (parser, "not a url");
}
if (result == NULL)
return NULL;
_gtk_css_parser_skip_whitespace (parser);
if (*parser->data != ')')
{
_gtk_css_parser_error (parser, "missing ')' for url");
g_free (result);
return NULL;
}
parser->data++;
_gtk_css_parser_skip_whitespace (parser);
return result;
}
GtkCssValue *
gtk_css_icon_theme_value_parse (GtkCssParser *parser)
{
GtkIconTheme *icontheme;
GtkCssValue *result;
char *s;
s = _gtk_css_parser_read_string (parser);
if (s == NULL)
return NULL;
icontheme = gtk_icon_theme_new ();
gtk_icon_theme_set_custom_theme (icontheme, s);
result = gtk_css_icon_theme_value_new (icontheme);
g_object_unref (icontheme);
g_free (s);
return result;
}
static gboolean
gtk_css_image_icon_theme_parse (GtkCssImage *image,
GtkCssParser *parser)
{
GtkCssImageIconTheme *icon_theme = GTK_CSS_IMAGE_ICON_THEME (image);
if (!_gtk_css_parser_try (parser, "-gtk-icontheme(", TRUE))
{
_gtk_css_parser_error (parser, "Expected '-gtk-icontheme('");
return FALSE;
}
icon_theme->name = _gtk_css_parser_read_string (parser);
if (icon_theme->name == NULL)
return FALSE;
if (!_gtk_css_parser_try (parser, ")", TRUE))
{
_gtk_css_parser_error (parser, "Missing closing bracket at end of '-gtk-icontheme'");
return FALSE;
}
return TRUE;
}
static void
gtk_css_parser_resync_internal (GtkCssParser *parser,
gboolean sync_at_semicolon,
gboolean read_sync_token,
char terminator)
{
gsize len;
do {
len = strcspn (parser->data, "\\\"'/()[]{};" NEWLINE_CHARS);
parser->data += len;
if (gtk_css_parser_new_line (parser))
continue;
if (_gtk_css_parser_is_string (parser))
{
/* Hrm, this emits errors, and i suspect it shouldn't... */
char *free_me = _gtk_css_parser_read_string (parser);
g_free (free_me);
continue;
}
if (gtk_css_parser_skip_comment (parser))
continue;
switch (*parser->data)
{
case '\\':
{
GString *ignore = g_string_new (NULL);
_gtk_css_parser_unescape (parser, ignore);
g_string_free (ignore, TRUE);
}
break;
case ';':
if (sync_at_semicolon && !read_sync_token)
return;
parser->data++;
if (sync_at_semicolon)
{
_gtk_css_parser_skip_whitespace (parser);
return;
}
break;
case '(':
parser->data++;
_gtk_css_parser_resync (parser, FALSE, ')');
if (*parser->data)
parser->data++;
break;
case '[':
parser->data++;
_gtk_css_parser_resync (parser, FALSE, ']');
if (*parser->data)
parser->data++;
break;
case '{':
parser->data++;
_gtk_css_parser_resync (parser, FALSE, '}');
if (*parser->data)
parser->data++;
if (sync_at_semicolon || !terminator)
{
_gtk_css_parser_skip_whitespace (parser);
return;
}
break;
case '}':
case ')':
case ']':
if (terminator == *parser->data)
{
_gtk_css_parser_skip_whitespace (parser);
return;
}
parser->data++;
continue;
case '\0':
break;
case '/':
default:
parser->data++;
break;
}
} while (*parser->data);
}
