Committed current version of visitor refactoring

git-svn-id: http://svn.clifford.at/openscad/trunk@571 b57f626f-c46c-0410-a088-ec61d464b74c

1 files changed, 37 insertions, 0 deletions

diff --git a/src/nodedumper.h b/src/nodedumper.h
new file mode 100644
index 0000000..568d578
--- /dev/null
+++ b/src/nodedumper.h
@@ -0,0 +1,37 @@
+#ifndef NODEDUMPER_H_
+#define NODEDUMPER_H_
+
+#include <string>
+#include <map>
+#include <list>
+#include "visitor.h"
+#include "nodecache.h"
+
+using std::string;
+using std::map;
+using std::list;
+
+class NodeDumper : public Visitor
+{
+public:
+	NodeDumper() : root(NULL) {}
+  virtual ~NodeDumper() {}
+
+  virtual Response visit(const State &state, const AbstractNode &node);
+
+  const string &getDump() const;
+private:
+  void handleVisitedChildren(const State &state, const AbstractNode &node);
+  bool isCached(const AbstractNode &node);
+  void handleIndent(const State &state);
+	string dumpChildren(const AbstractNode &node);
+
+  string currindent;
+  const AbstractNode *root;
+  typedef list<const AbstractNode *> ChildList;
+  map<int, ChildList> visitedchildren;
+  NodeCache<string> cache;
+};
+
+
+#endif