Golang Node.Attr方法代码示例

// ParseTemplate parses and compiles the xsl:template elements.
func (style *Stylesheet) ParseTemplate(node xml.Node) {
	//add to template list of stylesheet
	//parse mode, match, name, priority
	mode := node.Attr("mode")
	name := node.Attr("name")
	match := node.Attr("match")
	priority := node.Attr("priority")
	p := 0.0
	if priority != "" {
		p, _ = strconv.ParseFloat(priority, 64)
	}

	// TODO: validate the name (duplicate should raise error)
	template := &Template{Match: match, Mode: mode, Name: name, Priority: p, Node: node}

	template.CompileContent(node)

	//  compile pattern
	style.compilePattern(template, priority)
}

func (i *XsltInstruction) copyToOutput(node xml.Node, context *ExecutionContext, recursive bool) {
	switch node.NodeType() {
	case xml.XML_TEXT_NODE:
		if context.UseCDataSection(context.OutputNode) {
			r := context.Output.CreateCDataNode(node.Content())
			context.OutputNode.AddChild(r)
		} else {
			r := context.Output.CreateTextNode(node.Content())
			context.OutputNode.AddChild(r)
		}
	case xml.XML_ATTRIBUTE_NODE:
		aname := node.Name()
		ahref := node.Namespace()
		val := node.Content()
		if ahref == "" {
			context.OutputNode.SetAttr(aname, val)
		} else {
			context.OutputNode.SetNsAttr(ahref, aname, val)
		}
	case xml.XML_COMMENT_NODE:
		r := context.Output.CreateCommentNode(node.Content())
		context.OutputNode.AddChild(r)
	case xml.XML_PI_NODE:
		name := node.Attr("name")
		r := context.Output.CreatePINode(name, node.Content())
		context.OutputNode.AddChild(r)
	case xml.XML_NAMESPACE_DECL:
		//in theory this should work
		//in practice it's a little complicated due to the fact
		//that namespace declarations don't map to the node type
		//very well
		//will need to revisit
		//context.OutputNode.DeclareNamespace(node.Name(), node.Content())
	case xml.XML_ELEMENT_NODE:
		aname := node.Name()
		r := context.Output.CreateElementNode(aname)
		context.OutputNode.AddChild(r)
		ns := node.Namespace()
		if ns != "" {
			//TODO: search through namespaces in-scope
			prefix, _ := context.Style.NamespaceMapping[ns]
			r.SetNamespace(prefix, ns)
		} else {
			//may need to explicitly reset to empty namespace
			def := context.DefaultNamespace(context.OutputNode)
			if def != "" {
				r.SetNamespace("", "")
			}
		}

		//copy namespace declarations
		for _, decl := range node.DeclaredNamespaces() {
			r.DeclareNamespace(decl.Prefix, decl.Uri)
		}

		old := context.OutputNode
		context.OutputNode = r
		if recursive {
			//copy attributes
			for _, attr := range node.Attributes() {
				i.copyToOutput(attr, context, recursive)
			}
			for cur := node.FirstChild(); cur != nil; cur = cur.NextSibling() {
				i.copyToOutput(cur, context, recursive)
			}
		}
		context.OutputNode = old
	case xml.XML_DOCUMENT_NODE:
		if recursive {
			for cur := node.FirstChild(); cur != nil; cur = cur.NextSibling() {
				i.copyToOutput(cur, context, recursive)
			}
		}
	}
}

func (style *Stylesheet) RegisterGlobalVariable(node xml.Node) {
	name := node.Attr("name")
	_var := CompileSingleNode(node).(*Variable)
	_var.Compile(node)
	style.Variables[name] = _var
}

func (style *Stylesheet) RegisterAttributeSet(node xml.Node) {
	name := node.Attr("name")
	res := CompileSingleNode(node)
	res.Compile(node)
	style.AttributeSets[name] = res
}