/// <summary>
/// 添加一个子标签
/// </summary>
/// <param name="node"></param>
public void AddChild(Tag node)
{
if (node != null)
{
Children.Add(node);
}
}
/// <summary>
/// 呈现内容
/// </summary>
/// <param name="writer">TextWriter</param>
public virtual void Render(System.IO.TextWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
Tag[] collection;
//缓存功能，待添加
if (this._content == null)
{
writer.Write(this.TemplateContent);
return;
}
if (!String.IsNullOrEmpty(this._content))
{
TemplateLexer lexer = new TemplateLexer(this._content);
TemplateParser parser = new TemplateParser(lexer.Parse());
collection = parser.ToArray();
}
else
{
collection = new Tag[0];
}
if (collection.Length > 0)
{
for (Int32 i = 0; i < collection.Length; i++)
{
try
{
collection[i].Parse(this._context, writer);
}
catch (Exception.TemplateException e)
{
ThrowException(e, collection[i],writer);
}
catch (System.Exception e)
{
System.Exception baseException = e.GetBaseException();
Exception.ParseException ex = new Exception.ParseException(baseException.Message, baseException);
ThrowException(ex, collection[i], writer);
}
}
}
}
/// <summary>
/// 添加一个子标签
/// </summary>
/// <param name="node"></param>
public void AddChild(Tag node)
{
//node.Parent = this;
Children.Add(node);
}
/// <summary>
/// 异常处理
/// </summary>
/// <param name="e">异常信息</param>
/// <param name="tag">影响标签</param>
/// <param name="writer">TextWriter</param>
private void ThrowException(Exception.TemplateException e, Tag tag, System.IO.TextWriter writer)
{
if (this._context.ThrowExceptions)
{
throw e;
}
else
{
this._context.AddError(e);
writer.Write(tag.ToString());
}
}
/// <summary>
/// 呈现内容
/// </summary>
/// <param name="writer">TextWriter</param>
public virtual void Render(System.IO.TextWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException("\"writer\" cannot be null.");
}
//缓存功能，待添加
if (this._content == null)
{
return;
}
Tag[] collection = null;
if (!String.IsNullOrEmpty(this._content))
{
Object value;
if (Engine.Cache != null && !String.IsNullOrEmpty(this._key))
{
if ((value = Engine.Cache.Get(this._key)) != null)
{
collection = (Tag[])value;
}
else
{
collection = ParseTag();
Engine.Cache.Set(this._key, collection);
}
}
else
{
collection = ParseTag();
}
}
else
{
collection = new Tag[0];
}
if (collection.Length > 0)
{
for (Int32 i = 0; i < collection.Length; i++)
{
try
{
collection[i].Parse(this._context, writer);
}
catch (Exception.TemplateException e)
{
ThrowException(e, collection[i], writer);
}
catch (System.Exception e)
{
System.Exception baseException = e.GetBaseException();
Exception.ParseException ex = new Exception.ParseException(baseException.Message, baseException);
ThrowException(ex, collection[i], writer);
}
}
}
}
