fixed some subtle design errors in SelectorNodes and implemented SelectorNode::getChildren.

1 files changed, 49 insertions, 0 deletions

diff --git a/src/core/CSS.cpp b/src/core/CSS.cpp
new file mode 100644
index 0000000..06d062e
--- /dev/null
+++ b/src/core/CSS.cpp
@@ -0,0 +1,49 @@
+/*
+    Ousía
+    Copyright (C) 2014  Benjamin Paaßen, Andreas Stöckel
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "CSS.hpp"
+
+namespace ousia {
+
+/**
+ * This returns all children of this SelectorNode that are connected by
+ * the given operator, have the given className and the given
+ * PseudoSelector.
+ */
+std::vector<Rooted<SelectorNode>> SelectorNode::getChildren(
+    const SelectionOperator &op, const std::string &className,
+    const PseudoSelector &select)
+{
+	std::vector<Rooted<SelectorNode>> out;
+	for(auto& e : edges){
+		if(e->getSelectionOperator() != op){
+			continue;
+		}
+		if(e->getTarget()->getName() != className){
+			continue;
+		}
+		if(e->getTarget()->getPseudoSelector() != select){
+			continue;
+		}
+		out.push_back(e->getTarget());
+	}
+	return out;
+}
+
+
+}