1 files changed, 40 insertions, 0 deletions
diff --git a/node.go b/node.go
new file mode 100644
index 0000000..38b0293
--- /dev/null
+++ b/node.go
@@ -0,0 +1,40 @@
+package bolt
+
+const (
+	bigNode = 0x01
+	subNode = 0x02
+	dupNode = 0x04
+)
+
+type node struct {
+	lo      int
+	hi      int
+	flags   int
+	keySize int
+	data    []byte
+}
+
+func (n *node) setFlags(f int) {
+	// Valid flags: (F_DUPDATA|F_SUBDATA|MDB_RESERVE|MDB_APPEND)
+	// TODO
+}
+
+func (n *node) size() int {
+	return 0 // TODO: offsetof(MDB_node, mn_data)
+}
+
+// TODO: #define INDXSIZE(k)	 (NODESIZE + ((k) == NULL ? 0 : (k)->mv_size))
+// TODO: #define LEAFSIZE(k, d)	 (NODESIZE + (k)->mv_size + (d)->mv_size)
+// TODO: #define NODEPTR(p, i)	 ((MDB_node *)((char *)(p) + (p)->mp_ptrs[i]))
+// TODO: #define NODEKEY(node)	 (void *)((node)->mn_data)
+// TODO: #define NODEDATA(node)	 (void *)((char *)(node)->mn_data + (node)->mn_ksize)
+// TODO: #define NODEPGNO(node)  ((node)->mn_lo | ((pgno_t) (node)->mn_hi << 16) | (PGNO_TOPWORD ? ((pgno_t) (node)->mn_flags << PGNO_TOPWORD) : 0))
+// TODO: #define SETPGNO(node,pgno)	do { (node)->mn_lo = (pgno) & 0xffff; (node)->mn_hi = (pgno) >> 16; if (PGNO_TOPWORD) (node)->mn_flags = (pgno) >> PGNO_TOPWORD; } while(0)
+// TODO: #define NODEDSZ(node)	 ((node)->mn_lo | ((unsigned)(node)->mn_hi << 16))
+// TODO: #define SETDSZ(node,size)	do { (node)->mn_lo = (size) & 0xffff; (node)->mn_hi = (size) >> 16;} while(0)
+// TODO: #define NODEKSZ(node)	 ((node)->mn_ksize)
+
+// TODO: #define LEAF2KEY(p, i, ks)	((char *)(p) + PAGEHDRSZ + ((i)*(ks)))
+
+// TODO: #define MDB_GET_KEY(node, keyptr)	{ if ((keyptr) != NULL) { (keyptr)->mv_size = NODEKSZ(node); (keyptr)->mv_data = NODEKEY(node); } }
+// TODO: #define MDB_GET_KEY2(node, key)	{ key.mv_size = NODEKSZ(node); key.mv_data = NODEKEY(node); }