Apply .gitignore rules

.svn/pristine/f4/f4e0fde8ad5651d411a686ad381c517573db21e9.svn-base

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+package gxpath
+
+import (
+	"goutil/xmlUtil/gxpath/internal/build"
+	"goutil/xmlUtil/gxpath/internal/query"
+	"goutil/xmlUtil/gxpath/xpath"
+)
+
+// NodeIterator holds all matched Node object.
+type NodeIterator struct {
+	node  xpath.NodeNavigator
+	query query.Query
+}
+
+// Current returns current node which matched.
+func (t *NodeIterator) Current() xpath.NodeNavigator {
+	return t.node
+}
+
+// MoveNext moves Navigator to the next match node.
+func (t *NodeIterator) MoveNext() bool {
+	n := t.query.Select(t)
+	if n != nil {
+		if !t.node.MoveTo(n) {
+			t.node = n.Copy()
+		}
+		return true
+	}
+	return false
+}
+
+// Select selects a node set using the specified XPath expression.
+func Select(root xpath.NodeNavigator, expr string) *NodeIterator {
+	qy, err := build.Build(expr)
+	if err != nil {
+		panic(err)
+	}
+	t := &NodeIterator{query: qy, node: root}
+	return t
+}