fix subvariant parsing/insertion into tree

vxheaven_parse.cpp

@@ -21,6 +21,25 @@ namespace vxorg {
 		return res;
 	}
 
+	template<class Fn>
+	void walk_parents_in_tree_order(VxHeavenTree::Node* node, Fn&& fn) {
+		std::string sample_name {};
+		std::vector<VxHeavenTree::Node*> parent_list {};
+		vxorg::VxHeavenTree::Node* parent = node->parent_node();
+
+		while(parent) {
+			if(parent->is_root())
+				break;
+
+			parent_list.push_back(parent);
+			parent = parent->parent_node();
+		}
+
+		for(auto& item : std::views::reverse(parent_list)) {
+			fn(item);
+		}
+	}
+
 	std::string get_sample_name(VxHeavenTree::Node* node) {
 		if(node == nullptr)
 			return "";
@@ -29,26 +48,28 @@ namespace vxorg {
 			return node->data().name;
 
 		std::string sample_name {};
-		std::vector<vxorg::VxHeavenItem*> parent_list {};
-		vxorg::VxHeavenTree::Node* parent = node->parent_node();
 
-		while(parent) {
+		walk_parents_in_tree_order(node, [&](auto* node) {
-			if(parent->data().name.empty())
+			sample_name += std::format("{}.", node->data().name);
-				break;
+		});
-
-			parent_list.push_back(&parent->data());
-			parent = parent->parent_node();
-		}
-
-		for(auto& item : std::views::reverse(parent_list)) {
-			sample_name += std::format("{}.", item->name);
-		}
 
 		sample_name += node->data().name;
 
 		return sample_name;
 	}
 
+	std::filesystem::path get_sample_path(VxHeavenTree::Node* node) {
+		if(node == nullptr)
+			return {};
+
+		std::filesystem::path path;
+walk_parents_in_tree_order(node, [&](auto* node) {
+			path /= node->data().name;
+		});
+
+		return path;
+	}
+
 	void parse_into_tree(VxHeavenTree& tree, std::istream& is) {
 		std::string line {};
 		while(std::getline(is, line)) {
@@ -106,10 +127,17 @@ namespace vxorg {
 
 				for(auto& subvariant : subvariants) {
 					if(auto* node = leaf->find_child([&](auto* node) { return node->data().name == subvariant; }); node == nullptr) {
+						//printf("creating variant %.*s %.*s\n", split[2].length(), split[2].data(), subvariant.length(), subvariant.data());
 						leaf = leaf->create_leaf({ .name = std::string(subvariant.data(), subvariant.length()), .is_sample = false });
+					} else {
+						// existing node for a subvariant
+						//printf("existing variant %.*s %.*s\n", split[2].length(), split[2].data(), subvariant.length(), subvariant.data());
+						leaf = node;
+						continue;
 					}
 				}
 
+				// The last node we visit is the sample
 				leaf->data().is_sample = true;
 			} else {
 				auto subvariant = split[3];

vxheaven_parse.hpp

@@ -3,6 +3,8 @@
 
 #include "tree.hpp"
 
+#include <filesystem>
+
 namespace vxorg {
 
 	struct VxHeavenItem {
@@ -15,5 +17,7 @@ namespace vxorg {
 
 	std::string get_sample_name(VxHeavenTree::Node* node);
 
+	std::filesystem::path get_sample_path(VxHeavenTree::Node* node);
+
 	void parse_into_tree(VxHeavenTree& tree, std::istream& is);
 } // namespace vxorg

vxorg.cpp

@@ -11,11 +11,19 @@ int main() {
 
 	vxorg::parse_into_tree(tree, ifs);
 
+    std::filesystem::path root = std::filesystem::current_path() / "testdata";
+    std::filesystem::path unorg = root / "unorg";
+    std::filesystem::path org = root / "org";
+
+    if(!std::filesystem::exists(org))
+        std::filesystem::create_directories(org);
+
 	// walk the resulting tree
-	tree.walk([](auto* node) {
+	tree.walk([&](auto* node) {
 		auto tabulation_level = node->parent_count();
 		auto& data = node->data();
 
+#if 0
         if(tabulation_level != 0) {
 		    for(auto i = 0; i < tabulation_level; ++i) {
     			std::printf("\t");
@@ -32,6 +40,27 @@ int main() {
 				std::printf("%s\n", data.name.c_str());
 			}
 		}
+#endif
+
+#if 1
+
+        if(!node->is_root()) {
+            if(data.is_sample) {
+				std::string sample_name = vxorg::get_sample_name(node);
+
+                // paths
+                auto path = org / vxorg::get_sample_path(node);
+                auto source_path = unorg / vxorg::get_sample_name(node);
+
+                if(!std::filesystem::exists(source_path)) {
+                  std::printf("WARNING: sample %s/%s in tree (source disk file %s) does not exist\n", path.string().c_str(), sample_name.c_str(), source_path.string().c_str());  
+                }
+
+
+				//std::printf("sample %s/%s in tree (source disk file %s)\n", path.string().c_str(), sample_name.c_str(), source_path.string().c_str());
+            }
+        }
+#endif
 	});
 	return 0;
 }