gtk-css-engine r14 - in bzr-playground: . libccd/ccd src

[robsta svn gnome org]

Author: robsta
Date: Mon Aug 18 13:50:53 2008
New Revision: 14
URL: http://svn.gnome.org/viewvc/gtk-css-engine?rev=14&view=rev

Log:
Implement child selectors.

Modified:
   bzr-playground/   (props changed)
   bzr-playground/libccd/ccd/ccd-parser.c
   bzr-playground/libccd/ccd/ccd-selector.c
   bzr-playground/libccd/ccd/ccd-selector.h
   bzr-playground/src/gce-node.c

Modified: bzr-playground/libccd/ccd/ccd-parser.c
==============================================================================
--- bzr-playground/libccd/ccd/ccd-parser.c	(original)
+++ bzr-playground/libccd/ccd/ccd-parser.c	Mon Aug 18 13:50:53 2008
@@ -126,7 +126,15 @@
 	if (cr_simple_sel->next) {
 		ccd_selector_t *descendant;
 		descendant = walk_simple_selector_r (cr_simple_sel->next);
-		selector = ccd_selector_append (selector, descendant);
+		if (COMB_WS == cr_simple_sel->next->combinator) {
+			selector = ccd_selector_append_descendant (selector,
+								   descendant);
+		} else if (COMB_GT == cr_simple_sel->next->combinator) {
+			selector = ccd_selector_append_child (selector,
+							      descendant);
+		} else {
+			g_assert_not_reached ();
+		}
 	}
 
 	return selector;

Modified: bzr-playground/libccd/ccd/ccd-selector.c
==============================================================================
--- bzr-playground/libccd/ccd/ccd-selector.c	(original)
+++ bzr-playground/libccd/ccd/ccd-selector.c	Mon Aug 18 13:50:53 2008
@@ -49,6 +49,7 @@
 	uint8_t			 e;
 	struct ccd_selector_	*refinement;
 	struct ccd_selector_	*container;
+	struct ccd_selector_	*antecessor;
 	ccd_block_t const	*block;
 };
 
@@ -66,6 +67,7 @@
 	to->e = self->e;
 	to->refinement = NULL;
 	to->container = NULL;
+	to->antecessor = NULL;
 	to->block = self->block;
 }
 
@@ -438,6 +440,10 @@
 		self->container = ccd_selector_copy (original->container);
 	}
 
+	if (original->antecessor) {
+		self->antecessor = ccd_selector_copy (original->antecessor);
+	}
+
 	return self;
 }
 
@@ -481,12 +487,16 @@
 {
 	g_assert (self);
 
+	if (self->refinement) {
+		ccd_selector_free (self->refinement), self->refinement = NULL;
+	}
+
 	if (self->container) {
 		ccd_selector_free (self->container), self->container = NULL;
 	}
 
-	if (self->refinement) {
-		ccd_selector_free (self->refinement), self->refinement = NULL;
+	if (self->antecessor) {
+		ccd_selector_free (self->antecessor), self->antecessor = NULL;
 	}
 
 	switch (self->modality) {
@@ -551,18 +561,12 @@
 	}
 }
 
-/*
- * Add a selector to the chain.
- * This can change the selector instance, make sure to regard the return value.
- */
-ccd_selector_t *
-ccd_selector_append (ccd_selector_t *self,
-		     ccd_selector_t *selector)
+static void
+append (ccd_selector_t const	*self,
+	ccd_selector_t		*selector)
 {
 	g_assert (self && selector);
 
-	selector->container = self;
-
 	/* propagate specificity */
 	selector->a = self->a;
 	selector->b = self->b;
@@ -587,8 +591,34 @@
 	default:
 		g_warning ("Invalid selector modality %d", self->modality);
 	}
+}
 
-	return selector;	
+/*
+ * Add a selector to the chain.
+ * This can change the selector instance, make sure to regard the return value.
+ */
+ccd_selector_t *
+ccd_selector_append_child (ccd_selector_t *self,
+			   ccd_selector_t *selector)
+{
+	append (self, selector);
+	selector->container = self;
+
+	return selector;
+}
+
+/*
+ * Add a selector to the chain.
+ * This can change the selector instance, make sure to regard the return value.
+ */
+ccd_selector_t *
+ccd_selector_append_descendant (ccd_selector_t *self,
+				ccd_selector_t *selector)
+{
+	append (self, selector);
+	selector->antecessor = self;
+
+	return selector;
 }
 
 bool
@@ -722,7 +752,29 @@
 		*e = self->e;
 }
 
-extern void dump_node (ccd_node_t const *node);
+static bool
+match_antecessor_r (ccd_selector_t const	*self, 
+		    ccd_node_t const		*node)
+{
+	ccd_node_class_t const	*node_class;
+	ccd_node_t		*container;
+	bool			 is_matching;
+
+	node_class = ccd_node_get_class ();
+
+	container = node_class->get_container (node);
+	if (container) {
+		is_matching = ccd_selector_query_apply (self, container, NULL);
+		if (!is_matching) {
+			is_matching = match_antecessor_r (self, container);
+		}
+		node_class->release (container);
+	} else {
+		is_matching = false;
+	}
+
+	return is_matching;
+}
 
 /*
  * `style' may be NULL, in which case this just tests for a match.
@@ -797,7 +849,7 @@
 		}
 	}
 
-	/* recursively match container */
+	/* match container */
 	if (self->container) {
 		ccd_node_t *container;
 		container = node_class->get_container (node);
@@ -811,6 +863,14 @@
 		}
 	}
 
+	/* recursively match antecessor */
+	if (self->antecessor) {
+		is_matching = match_antecessor_r (self->antecessor, node);
+		if (!is_matching) {
+			return false;
+		}
+	}
+
 	/* merge */
 	if (self->block && style) {
 		ccd_selector_apply (self, style);
@@ -885,12 +945,23 @@
 		printf ("( ");
 		container = self->container;
 		while (container) {
-			printf("%s ", ccd_selector_get_key (container));
+			printf("%s < ", ccd_selector_get_key (container));
 			container = container->container;
 		}
 		printf (")");
 	}
 
+	if (self->antecessor) {
+		ccd_selector_t const *container;
+		printf ("( ");
+		container = self->antecessor;
+		while (container) {
+			printf("%s", ccd_selector_get_key (container));
+			container = container->antecessor;
+		}
+		printf (")");
+	}
+
 	switch (self->modality) {
 	case CCD_SELECTOR_MODALITY_UNIVERSAL:
 		universal_selector_dump ((ccd_universal_selector_t *) self);

Modified: bzr-playground/libccd/ccd/ccd-selector.h
==============================================================================
--- bzr-playground/libccd/ccd/ccd-selector.h	(original)
+++ bzr-playground/libccd/ccd/ccd-selector.h	Mon Aug 18 13:50:53 2008
@@ -55,8 +55,9 @@
 
 void ccd_selector_free	(ccd_selector_t *self);
 
-void		 ccd_selector_refine (ccd_selector_t *self, ccd_selector_t *selector);
-ccd_selector_t * ccd_selector_append (ccd_selector_t *self, ccd_selector_t *selector);
+void		 ccd_selector_refine		(ccd_selector_t *self, ccd_selector_t *selector);
+ccd_selector_t * ccd_selector_append_child	(ccd_selector_t *self, ccd_selector_t *selector);
+ccd_selector_t * ccd_selector_append_descendant	(ccd_selector_t *self, ccd_selector_t *selector);
 
 bool ccd_selector_is_type	(ccd_selector_t const *self);
 bool ccd_selector_is_class	(ccd_selector_t const *self);

Modified: bzr-playground/src/gce-node.c
==============================================================================
--- bzr-playground/src/gce-node.c	(original)
+++ bzr-playground/src/gce-node.c	Mon Aug 18 13:50:53 2008
@@ -60,7 +60,8 @@
 is_a (GceNode const	*node,
       char const	*type_name)
 {
-	GType gtype;
+	GType	gtype;
+	bool	is_matching;
 
 	switch (node->flavor) {
 	case PRIMITIVE:
@@ -72,8 +73,10 @@
 	case CONTAINER:
 	case TYPE:
 		gtype = g_type_from_name (type_name);
-		return g_type_is_a (G_OBJECT_TYPE (node->widget), gtype);
+		is_matching = g_type_is_a (G_OBJECT_TYPE (node->widget), gtype);
+		return is_matching;
 	default:
+		g_warning ("Unknown flavor %d\n", node->flavor);
 		g_assert_not_reached ();
 		return FALSE;
 	}
@@ -87,6 +90,7 @@
 
 	g_assert (node);
 
+	container_node = NULL;
 	switch (node->flavor) {
 	case UNSET:
 	case CONTAINER: