Method keyValue

cursor.go:370–387

keyValue returns the key and value of the current leaf element.

()

// keyValue returns the key and value of the current leaf element.
func (c *Cursor) keyValue() ([]byte, []byte, uint32) {
	ref := &c.stack[len(c.stack)-1]

	// If the cursor is pointing to the end of page/node then return nil.
	if ref.count() == 0 || ref.index >= ref.count() {
		return nil, nil, 0
	}

	// Retrieve value from node.
	if ref.node != nil {
		inode := &ref.node.inodes[ref.index]
		return inode.Key(), inode.Value(), inode.Flags()
	}

	// Or retrieve value from page.
	elem := ref.page.LeafPageElement(uint16(ref.index))
	return elem.Key(), elem.Value(), elem.Flags()
}

// node returns the node that the cursor is currently positioned on.
func (c *Cursor) node() *node {