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-rw-r--r--src/NamespaceReferenceManager.cpp110
1 files changed, 0 insertions, 110 deletions
diff --git a/src/NamespaceReferenceManager.cpp b/src/NamespaceReferenceManager.cpp
deleted file mode 100644
index 0d99b73..0000000
--- a/src/NamespaceReferenceManager.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-#include "NamespaceReferenceManager.h"
-
-#include "Merkle.h"
-
-namespace nt {
- NamespaceReferenceManager::NamespaceReferenceManager(ObjectManager& objects,
- IStorageBackend& storage)
- : objects_(objects), storage_(storage) {
- }
-
- // Resolves the multigroup hash that `mg_name` currently maps to inside the
- // branch-tree rooted at `branch_tree_root`. Returns the empty string when
- // the branch is unborn (empty root) or the multigroup is absent.
- static std::string lookup_mg_hash(IStorageBackend& storage, const std::string& branch_tree_root,
- const std::string& mg_name) {
- if (branch_tree_root.empty())
- return "";
- auto found = Merkle<std::string>::Get(storage, branch_tree_root, mg_name);
- if (!found)
- return "";
- // All-zero payload = "no snapshot bound" sentinel matching MultigroupCodec.
- static const Hash32 zero{};
- if (*found == zero)
- return "";
- return bin_to_hex(*found);
- }
-
- std::vector<std::string>
- NamespaceReferenceManager::Resolve(std::vector<std::string> path) const {
- constexpr int kMaxReparseDepth = 30;
-
- for (int depth = 0; depth < kMaxReparseDepth; ++depth) {
- // /system/sessions/<X>/branches/<name>/multigroups/<mg>/<sub>...
- // — per-session override takes precedence; absent override falls
- // back to the global branch. Requires at minimum the literal
- // "multigroups" qualifier and an mg name.
- if (path.size() > 6 && path[0] == "system" && path[1] == "sessions" &&
- path[3] == "branches" && path[5] == "multigroups") {
- const std::vector<std::string> session_path{"system", "sessions", path[2]};
- auto* session_entry = objects_.Find(session_path);
-
- std::string branch_tree_root;
- if (session_entry && session_entry->object) {
- auto* session =
- dynamic_cast<ObjectManager::Session*>(session_entry->object.get());
- if (session) {
- auto it = session->branch_overrides.find(path[4]);
- if (it != session->branch_overrides.end())
- branch_tree_root = it->second;
- }
- }
-
- // No session-level override — defer to the global branch's HEAD.
- if (branch_tree_root.empty()) {
- const std::vector<std::string> branch_path{"system", "branches", path[4]};
- auto* bentry = objects_.Find(branch_path);
- if (bentry && bentry->object) {
- auto* branch = dynamic_cast<ObjectManager::Branch*>(bentry->object.get());
- if (branch)
- branch_tree_root = branch->target_hash;
- }
- }
-
- const std::string mg_hash = lookup_mg_hash(storage_, branch_tree_root, path[6]);
- if (mg_hash.empty())
- return path;
-
- std::vector<std::string> rewritten{"system", "snapshots", mg_hash};
- for (size_t i = 7; i < path.size(); ++i)
- rewritten.push_back(path[i]);
-
- path = std::move(rewritten);
- continue;
- }
-
- // /system/branches/<name>/multigroups/<mg>/<sub>... →
- // /system/snapshots/<mg_hash>/<sub>...
- // Requires the literal "multigroups" qualifier and an mg name. A
- // bare /system/branches/<name> path opens the branch object itself
- // and is returned unchanged.
- if (path.size() > 4 && path[0] == "system" && path[1] == "branches" &&
- path[3] == "multigroups") {
- const std::vector<std::string> branch_path{"system", "branches", path[2]};
- auto* entry = objects_.Find(branch_path);
- if (!entry || !entry->object)
- return path;
-
- auto* branch = dynamic_cast<ObjectManager::Branch*>(entry->object.get());
- if (!branch)
- return path;
-
- const std::string mg_hash = lookup_mg_hash(storage_, branch->target_hash, path[4]);
- if (mg_hash.empty())
- return path;
-
- std::vector<std::string> rewritten{"system", "snapshots", mg_hash};
- for (size_t i = 5; i < path.size(); ++i)
- rewritten.push_back(path[i]);
-
- path = std::move(rewritten);
- continue;
- }
-
- return path;
- }
-
- // Cycle guard tripped — surface as a lookup miss.
- return {};
- }
-} // namespace nt