Basically all the core functionality

1 files changed, 50 insertions, 5 deletions

diff --git a/src/dir.cpp b/src/dir.cpp
index 8a9fd86..cee26f0 100644
--- a/src/dir.cpp
+++ b/src/dir.cpp
@@ -1,10 +1,36 @@
 #include <Ice/ObjectAdapter.h>
+#include <sys/stat.h>
+#include "repo.h"
 #include "dir.h"
 
-GitFS::Directory::Directory(const GitFS::Git::TreePtr & t, const std::string & p) :
-	tree(t),
-	path(p)
+GitFS::Directory::Directory(const Repo * r, const std::string & p) :
+	repo(r),
+	path(p),
+	subTreeCacheRootId({})
 {
+	getSubtree();
+}
+
+GitFS::Git::TreePtr
+GitFS::Directory::getSubtree() const
+{
+	if (!git_oid_equal(&subTreeCacheRootId, git_tree_id(repo->tree.get()))) {
+		if (path == "/") {
+			subTreeCache = repo->tree;
+		}
+		else {
+			try {
+				auto e = Git::TreeEntryByPath(repo->tree, path);
+				if (!S_ISDIR(git_tree_entry_filemode(e.get()))) throw NetFS::SystemError(ENOTDIR);
+				subTreeCache = Git::TreeLookup(repo->repo, *git_tree_entry_id(e.get()));
+			}
+			catch (const Git::Error & e) {
+				Git::ErrorToSystemError(e);
+			}
+		}
+		subTreeCacheRootId = *git_tree_id(repo->tree.get());
+	}
+	return subTreeCache;
 }
 
 void
@@ -17,14 +43,33 @@ GitFS::Directory::close(const ::Ice::Current& current)
 NetFS::NameList
 GitFS::Directory::readdir(const ::Ice::Current&)
 {
-	return {};
+	const auto subTree = getSubtree();
+	NetFS::NameList list;
+	for (int idx = git_tree_entrycount(subTree.get()); idx--;) {
+		const auto entry = git_tree_entry_byindex(subTree.get(), idx);
+		list.push_back(git_tree_entry_name(entry));
+	}
+	return list;
 }
 
 
 NetFS::DirectoryContents
 GitFS::Directory::listdir(const ::Ice::Current&)
 {
-	return {};
+	const auto subTree = getSubtree();
+	NetFS::DirectoryContents list;
+	for (int idx = git_tree_entrycount(subTree.get()); idx--;) {
+		const auto entry = git_tree_entry_byindex(subTree.get(), idx);
+		NetFS::Attr a {};
+		a << *entry << *repo->commit;
+		if (S_ISREG(git_tree_entry_filemode(entry))) {
+			auto blob = Git::BlobLookup(repo->repo, *git_tree_entry_id(entry));
+			a << *blob;
+		}
+		a.gid = a.uid = "root";
+		list.emplace(git_tree_entry_name(entry), a);
+	}
+	return list;
 }