Initialize transaction/rwtransaction.

1 files changed, 10 insertions, 30 deletions

diff --git a/cursor.go b/cursor.go
index d1990dc..b93178e 100644
--- a/cursor.go
+++ b/cursor.go
@@ -1,29 +1,24 @@
 package bolt
 
 type Cursor struct {
-	transaction *Transaction
 	bucket      *Bucket
-	stack       []stackelem
+	stack       []elem
 }
 
-type stackelem struct {
+// elem represents a node on a page that's on the cursor's stack.
+type elem struct {
 	page  *page
 	index int
 }
 
-func (c *Cursor) Transaction() *Transaction {
-	return c.transaction
-}
-
 func (c *Cursor) Bucket() *Bucket {
 	return c.bucket
 }
 
-func (c *Cursor) Get(key []byte) ([]byte, error) {
-	// TODO: Move to key
-	// TODO: If it doesn't exist, return nil, nil
-	// TODO: Otherwise return node key+data.
-	return nil, nil
+// First moves the cursor to the first item in the bucket and returns its key and data.
+func (c *Cursor) First() ([]byte, []byte, error) {
+	// TODO: Traverse to the first key.
+	return nil, nil, nil
 }
 
 // Move the cursor to the next key/value.
@@ -31,27 +26,12 @@ func (c *Cursor) Next() ([]byte, []byte, error) {
 	return nil, nil, nil
 }
 
-// First moves the cursor to the first item in the bucket and returns its key and data.
-func (c *Cursor) First() ([]byte, []byte, error) {
-	// TODO: Traverse to the first key.
-	return nil, nil, nil
-}
-
-// Set the cursor on a specific data item.
-// (bool return is whether it is exact).
-func (c *Cursor) set(key []byte, data []byte, op int) (error, bool) {
+// Goto positions the cursor at a specific key.
+func (c *Cursor) Goto(key []byte) ([]byte, error) {
 	// TODO(benbjohnson): Optimize for specific use cases.
 
 	// TODO: Check if len(key) > 0.
 	// TODO: Start from root page and traverse to correct page.
 
-	return nil, false
-}
-
-func (c *Cursor) insert(key []byte, data []byte) error {
-	// TODO: If there is not enough space on page for key+data then split.
-	// TODO: Move remaining data on page forward.
-	// TODO: Write leaf node to current location.	
-	// TODO: Adjust available page size.
-	return nil
+	return nil, nil
 }