初始化项目

trunk/goutil/xmlUtil/gxpath/xpath/node.go

@@ -0,0 +1,25 @@
+package xpath
+
+// A Node is an element node that can navigating to
+// an node attribute and another node.
+//type Node interface{}
+
+// A type of XPath node.
+type NodeType int
+
+const (
+	// A root node of the XML document or node tree.
+	RootNode NodeType = iota
+
+	// An element, such as <element>.
+	ElementNode
+
+	// An attribute, such as id='123'.
+	AttributeNode
+
+	// The text content of a node.
+	TextNode
+
+	// A comment node, such as <!-- my comment -->
+	CommentNode
+)

trunk/goutil/xmlUtil/gxpath/xpath/xpath.go

@@ -0,0 +1,43 @@
+package xpath
+
+// NodeNavigator provides cursor model for navigating XML data.
+type NodeNavigator interface {
+	// NodeType returns the XPathNodeType of the current node.
+	NodeType() NodeType
+
+	// LocalName gets the Name of the current node.
+	LocalName() string
+
+	// Prefix returns namespace prefix associated with the current node.
+	Prefix() string
+
+	// Value gets the value of current node.
+	Value() string
+
+	// Copy does a deep copy of the NodeNavigator and all its components.
+	Copy() NodeNavigator
+
+	// MoveToRoot moves the NodeNavigator to the root node of the current node.
+	MoveToRoot()
+
+	// MoveToParent moves the NodeNavigator to the parent node of the current node.
+	MoveToParent() bool
+
+	// MoveToNextAttribute moves the NodeNavigator to the next attribute on current node.
+	MoveToNextAttribute() bool
+
+	// MoveToChild moves the NodeNavigator to the first child node of the current node.
+	MoveToChild() bool
+
+	// MoveToFirst moves the NodeNavigator to the first sibling node of the current node.
+	MoveToFirst() bool
+
+	// MoveToNext moves the NodeNavigator to the next sibling node of the current node.
+	MoveToNext() bool
+
+	// MoveToPrevious moves the NodeNavigator to the previous sibling node of the current node.
+	MoveToPrevious() bool
+
+	// MoveTo moves the NodeNavigator to the same position as the specified NodeNavigator.
+	MoveTo(NodeNavigator) bool
+}