1 files changed, 0 insertions, 108 deletions
diff --git a/vendor/github.com/oschwald/maxminddb-golang/traverse.go b/vendor/github.com/oschwald/maxminddb-golang/traverse.go
deleted file mode 100644
index f9b443c..0000000
--- a/vendor/github.com/oschwald/maxminddb-golang/traverse.go
+++ /dev/null
@@ -1,108 +0,0 @@
-package maxminddb
-
-import "net"
-
-// Internal structure used to keep track of nodes we still need to visit.
-type netNode struct {
-	ip      net.IP
-	bit     uint
-	pointer uint
-}
-
-// Networks represents a set of subnets that we are iterating over.
-type Networks struct {
-	reader   *Reader
-	nodes    []netNode // Nodes we still have to visit.
-	lastNode netNode
-	err      error
-}
-
-// Networks returns an iterator that can be used to traverse all networks in
-// the database.
-//
-// Please note that a MaxMind DB may map IPv4 networks into several locations
-// in in an IPv6 database. This iterator will iterate over all of these
-// locations separately.
-func (r *Reader) Networks() *Networks {
-	s := 4
-	if r.Metadata.IPVersion == 6 {
-		s = 16
-	}
-	return &Networks{
-		reader: r,
-		nodes: []netNode{
-			{
-				ip: make(net.IP, s),
-			},
-		},
-	}
-}
-
-// Next prepares the next network for reading with the Network method. It
-// returns true if there is another network to be processed and false if there
-// are no more networks or if there is an error.
-func (n *Networks) Next() bool {
-	for len(n.nodes) > 0 {
-		node := n.nodes[len(n.nodes)-1]
-		n.nodes = n.nodes[:len(n.nodes)-1]
-
-		for {
-			if node.pointer < n.reader.Metadata.NodeCount {
-				ipRight := make(net.IP, len(node.ip))
-				copy(ipRight, node.ip)
-				if len(ipRight) <= int(node.bit>>3) {
-					n.err = newInvalidDatabaseError(
-						"invalid search tree at %v/%v", ipRight, node.bit)
-					return false
-				}
-				ipRight[node.bit>>3] |= 1 << (7 - (node.bit % 8))
-
-				rightPointer, err := n.reader.readNode(node.pointer, 1)
-				if err != nil {
-					n.err = err
-					return false
-				}
-
-				node.bit++
-				n.nodes = append(n.nodes, netNode{
-					pointer: rightPointer,
-					ip:      ipRight,
-					bit:     node.bit,
-				})
-
-				node.pointer, err = n.reader.readNode(node.pointer, 0)
-				if err != nil {
-					n.err = err
-					return false
-				}
-
-			} else if node.pointer > n.reader.Metadata.NodeCount {
-				n.lastNode = node
-				return true
-			} else {
-				break
-			}
-		}
-	}
-
-	return false
-}
-
-// Network returns the current network or an error if there is a problem
-// decoding the data for the network. It takes a pointer to a result value to
-// decode the network's data into.
-func (n *Networks) Network(result interface{}) (*net.IPNet, error) {
-	if err := n.reader.retrieveData(n.lastNode.pointer, result); err != nil {
-		return nil, err
-	}
-
-	return &net.IPNet{
-		IP:   n.lastNode.ip,
-		Mask: net.CIDRMask(int(n.lastNode.bit), len(n.lastNode.ip)*8),
-	}, nil
-}
-
-// Err returns an error, if any, that was encountered during iteration.
-func (n *Networks) Err() error {
-	return n.err
-}