-static gboolean
-parse_selector_class (GtkCssScanner *scanner, GArray *classes)
-{
- GQuark qname;
- char *name;
-
- name = _gtk_css_parser_try_name (scanner->parser, FALSE);
-
- if (name == NULL)
- {
- gtk_css_provider_error_literal (scanner->provider,
- scanner,
- GTK_CSS_PROVIDER_ERROR,
- GTK_CSS_PROVIDER_ERROR_SYNTAX,
- "Expected a valid name for class");
- return FALSE;
- }
-
- qname = g_quark_from_string (name);
- g_array_append_val (classes, qname);
- g_free (name);
- return TRUE;
-}
-
-static gboolean
-parse_selector_name (GtkCssScanner *scanner, GArray *names)
-{
- GQuark qname;
- char *name;
-
- name = _gtk_css_parser_try_name (scanner->parser, FALSE);
-
- if (name == NULL)
- {
- gtk_css_provider_error_literal (scanner->provider,
- scanner,
- GTK_CSS_PROVIDER_ERROR,
- GTK_CSS_PROVIDER_ERROR_SYNTAX,
- "Expected a valid name for id");
- return FALSE;
- }
-
- qname = g_quark_from_string (name);
- g_array_append_val (names, qname);
- g_free (name);
- return TRUE;
-}
-
-static gboolean
-parse_selector_pseudo_class (GtkCssScanner *scanner,
- GtkRegionFlags *region_to_modify,
- GtkStateFlags *state_to_modify)
-{
- struct {
- const char *name;
- GtkRegionFlags region_flag;
- GtkStateFlags state_flag;
- } pseudo_classes[] = {
- { "first-child", GTK_REGION_FIRST, 0 },
- { "last-child", GTK_REGION_LAST, 0 },
- { "only-child", GTK_REGION_ONLY, 0 },
- { "sorted", GTK_REGION_SORTED, 0 },
- { "active", 0, GTK_STATE_FLAG_ACTIVE },
- { "prelight", 0, GTK_STATE_FLAG_PRELIGHT },
- { "hover", 0, GTK_STATE_FLAG_PRELIGHT },
- { "selected", 0, GTK_STATE_FLAG_SELECTED },
- { "insensitive", 0, GTK_STATE_FLAG_INSENSITIVE },
- { "inconsistent", 0, GTK_STATE_FLAG_INCONSISTENT },
- { "focused", 0, GTK_STATE_FLAG_FOCUSED },
- { "focus", 0, GTK_STATE_FLAG_FOCUSED },
- { "backdrop", 0, GTK_STATE_FLAG_BACKDROP },
- { NULL, }
- }, nth_child_classes[] = {
- { "first", GTK_REGION_FIRST, 0 },
- { "last", GTK_REGION_LAST, 0 },
- { "even", GTK_REGION_EVEN, 0 },
- { "odd", GTK_REGION_ODD, 0 },
- { NULL, }
- }, *classes;
- guint i;
- char *name;
-
- name = _gtk_css_parser_try_ident (scanner->parser, FALSE);
- if (name == NULL)
- {
- gtk_css_provider_error_literal (scanner->provider,
- scanner,
- GTK_CSS_PROVIDER_ERROR,
- GTK_CSS_PROVIDER_ERROR_SYNTAX,
- "Missing name of pseudo-class");
- return FALSE;
- }
-
- if (_gtk_css_parser_try (scanner->parser, "(", TRUE))
- {
- char *function = name;
-
- name = _gtk_css_parser_try_ident (scanner->parser, TRUE);
- if (!_gtk_css_parser_try (scanner->parser, ")", FALSE))
- {
- gtk_css_provider_error_literal (scanner->provider,
- scanner,
- GTK_CSS_PROVIDER_ERROR,
- GTK_CSS_PROVIDER_ERROR_SYNTAX,
- "Missing closing bracket for pseudo-class");
- return FALSE;
- }
-
- if (g_ascii_strcasecmp (function, "nth-child") != 0)
- {
- gtk_css_provider_error (scanner->provider,
- scanner,
- GTK_CSS_PROVIDER_ERROR,
- GTK_CSS_PROVIDER_ERROR_UNKNOWN_VALUE,
- "Unknown pseudo-class '%s(%s)'", function, name ? name : "");
- g_free (function);
- g_free (name);
- return FALSE;
- }
-
- g_free (function);
-
- if (name == NULL)
- {
- gtk_css_provider_error (scanner->provider,
- scanner,
- GTK_CSS_PROVIDER_ERROR,
- GTK_CSS_PROVIDER_ERROR_UNKNOWN_VALUE,
- "nth-child() requires an argument");
- return FALSE;
- }
-
- classes = nth_child_classes;
- }
- else
- classes = pseudo_classes;
-
- for (i = 0; classes[i].name != NULL; i++)
- {
- if (g_ascii_strcasecmp (name, classes[i].name) == 0)
- {
- if ((*region_to_modify & classes[i].region_flag) ||
- (*state_to_modify & classes[i].state_flag))
- {
- if (classes == nth_child_classes)
- gtk_css_provider_error (scanner->provider,
- scanner,
- GTK_CSS_PROVIDER_ERROR,
- GTK_CSS_PROVIDER_ERROR_SYNTAX,
- "Duplicate pseudo-class 'nth-child(%s)'", name);
- else
- gtk_css_provider_error (scanner->provider,
- scanner,
- GTK_CSS_PROVIDER_ERROR,
- GTK_CSS_PROVIDER_ERROR_SYNTAX,
- "Duplicate pseudo-class '%s'", name);
- }
- *region_to_modify |= classes[i].region_flag;
- *state_to_modify |= classes[i].state_flag;
-
- g_free (name);
- return TRUE;
- }
- }
-
- if (classes == nth_child_classes)
- gtk_css_provider_error (scanner->provider,
- scanner,
- GTK_CSS_PROVIDER_ERROR,
- GTK_CSS_PROVIDER_ERROR_UNKNOWN_VALUE,
- "Unknown pseudo-class 'nth-child(%s)'", name);
- else
- gtk_css_provider_error (scanner->provider,
- scanner,
- GTK_CSS_PROVIDER_ERROR,
- GTK_CSS_PROVIDER_ERROR_UNKNOWN_VALUE,
- "Unknown pseudo-class '%s'", name);
- g_free (name);
- return FALSE;
-}
-
-static gboolean
-parse_simple_selector (GtkCssScanner *scanner,
- char **name,
- GArray *ids,
- GArray *classes,
- GtkRegionFlags *pseudo_classes,
- GtkStateFlags *state)
-{
- gboolean parsed_something;
-
- *name = _gtk_css_parser_try_ident (scanner->parser, FALSE);
- if (*name)
- parsed_something = TRUE;
- else
- parsed_something = _gtk_css_parser_try (scanner->parser, "*", FALSE);
-
- do {
- if (_gtk_css_parser_try (scanner->parser, "#", FALSE))
- {
- if (!parse_selector_name (scanner, ids))
- return FALSE;
- }
- else if (_gtk_css_parser_try (scanner->parser, ".", FALSE))
- {
- if (!parse_selector_class (scanner, classes))
- return FALSE;
- }
- else if (_gtk_css_parser_try (scanner->parser, ":", FALSE))
- {
- if (!parse_selector_pseudo_class (scanner, pseudo_classes, state))
- return FALSE;
- }
- else if (!parsed_something)
- {
- gtk_css_provider_error_literal (scanner->provider,
- scanner,
- GTK_CSS_PROVIDER_ERROR,
- GTK_CSS_PROVIDER_ERROR_SYNTAX,
- "Expected a valid selector");
- return FALSE;
- }
- else
- break;
-
- parsed_something = TRUE;
- }
- while (!_gtk_css_parser_is_eof (scanner->parser));
-
- _gtk_css_parser_skip_whitespace (scanner->parser);
- return TRUE;
-}
-
-static GtkCssSelector *
-parse_selector (GtkCssScanner *scanner)
-{
- GtkCssSelector *selector = NULL;
-
- do {
- char *name = NULL;
- GArray *ids = g_array_new (TRUE, FALSE, sizeof (GQuark));
- GArray *classes = g_array_new (TRUE, FALSE, sizeof (GQuark));
- GtkRegionFlags pseudo_classes = 0;
- GtkStateFlags state = 0;
- GtkCssCombinator combine = GTK_CSS_COMBINE_DESCANDANT;
-
- if (selector)
- {
- if (_gtk_css_parser_try (scanner->parser, ">", TRUE))
- combine = GTK_CSS_COMBINE_CHILD;
- }
-
- if (!parse_simple_selector (scanner, &name, ids, classes, &pseudo_classes, &state))
- {
- g_array_free (ids, TRUE);
- g_array_free (classes, TRUE);
- if (selector)
- _gtk_css_selector_free (selector);
- return NULL;
- }
-
- selector = _gtk_css_selector_new (selector,
- combine,
- name,
- (GQuark *) g_array_free (ids, ids->len == 0),
- (GQuark *) g_array_free (classes, classes->len == 0),
- pseudo_classes,
- state);
- g_free (name);
- }
- while (!_gtk_css_parser_is_eof (scanner->parser) &&
- !_gtk_css_parser_begins_with (scanner->parser, ',') &&
- !_gtk_css_parser_begins_with (scanner->parser, '{'));
-
- return selector;
-}
-