added an 'accepting' attribute to SelectorNodes to make them properly usable as finite state machine nodes without relying on rulesets.

2 files changed, 14 insertions, 0 deletions

diff --git a/src/core/CSS.hpp b/src/core/CSS.hpp
index 1c0ed17..1f5fedc 100644
--- a/src/core/CSS.hpp
+++ b/src/core/CSS.hpp
@@ -251,6 +251,7 @@ private:
 	ManagedVector<SelectorEdge> edges;
 	// TODO: This is temporarily commented out until the TypeSystem works.
 	//	Owned<RuleSet> ruleSets;
+	bool accepting;
 
 	/**
 	 * This is an internal method all getChildren variants refer to.
@@ -386,6 +387,10 @@ public:
 	 * automatically using the DESCENDANT SelectionOperator.
 	 */
 	std::vector<Rooted<SelectorNode>> append(Rooted<SelectorNode> node);
+
+	bool isAccepting() { return accepting; }
+
+	void setAccepting(bool accepting) { this->accepting = accepting; }
 };
 }
 #endif
diff --git a/src/plugins/css/CSSParser.cpp b/src/plugins/css/CSSParser.cpp
index d239359..00b5af5 100644
--- a/src/plugins/css/CSSParser.cpp
+++ b/src/plugins/css/CSSParser.cpp
@@ -99,6 +99,15 @@ void CSSParser::parseDocument(Rooted<SelectorNode> root,
 	std::vector<Rooted<SelectorNode>> leafList;
 	parseSelectors(root, tokenizer, leafList, ctx);
 	// TODO: Parse Ruleset
+	for (auto &leaf : leafList) {
+		/* every leaf is an accepting node, if one considers the SelectorTree
+		* to be a finite state machine. This is relevant, if users do not use
+		* the CSS Parser to parse actual Ruleset content but to construct a
+		* SelectorTree just to identify a part of the DocumentTree.
+		*/
+		leaf->setAccepting(true);
+		//TODO: append RuleSets
+	}
 	parseDocument(root, tokenizer, ctx);
 }