/// <summary>
/// faild parse return null, otherwise return DataBindIfExpress
/// </summary>
/// <param name="express"></param>
/// <returns></returns>
public static IfDataBindExpress Parse(string express)
{
var ifExp = new IfDataBindExpress();
ifExp.express = express;
ifExp.objectExpress = ObjectDataBindExpress.Parse(express);
return(ifExp.objectExpress != null ? ifExp : null);
}
TemplateNode ConvertXmlToTemplate(XmlNode element)
{
TemplateNode renderTreeNode = new TemplateNode(element.Name);
foreach (XmlAttribute attr in element.Attributes)
{
if (ForELAttributeName.Equals(attr.Name)) // process el-for
{
renderTreeNode.forExpress = ForDataBindExpress.Parse(attr.Value);
}
else if (IfELAttributeName.Equals(attr.Name)) // process el-if
{
renderTreeNode.ifExpress = IfDataBindExpress.Parse(attr.Value);
}
//else if (OnceELAttributeName.Equals(attr.Name)) // process el-once
//{
// var onceExpress = OnceDataBindExpress.Parse(attr.Value);
// if (onceExpress != null)
// {
// renderTreeNode.onceExpressList.AddLast(onceExpress);
// }
//}
else if (BindELAttributePrefix.Equals(attr.Prefix)) // process el-bind:width="item.width"
{
var attrExpress = AttributeDataBindExpress.Parse(attr.Value, attr.LocalName);
if (attrExpress != null)
{
renderTreeNode.attributeDataBindExpressList.AddLast(attrExpress);
}
}
else
{
// try process style
ProcessTemplateStyle(renderTreeNode.nodeStyle, attr.Name, attr.Value);
}
renderTreeNode.attributes[attr.Name] = attr.Value;
}
// process children
// render children
foreach (XmlNode ele in element.ChildNodes)
{
if (XmlNodeType.Element == ele.NodeType)
{
var trn = ConvertXmlToTemplate(ele);
renderTreeNode.Children.Add(trn);
}
else if (XmlNodeType.Text == ele.NodeType)
{
renderTreeNode.textDataBindExpress = TextDataBindExpress.Parse(ele.Value);
}
}
return(renderTreeNode);
}
