/// <summary>
/// 添加标签属性时的触发函数.用于设置自身的某些属性值
/// </summary>
/// <param name="name"></param>
/// <param name="item"></param>
protected override void OnAddingAttribute(string name, Attribute item)
{
switch (name)
{
case "args":
IExpression exp = item.Value;
if (this.OwnerDocument.DocumentConfig.CompatibleMode)
{
if (!(exp is VariableExpression))
{
exp = ParserHelper.CreateVariableExpression(this.OwnerTemplate, item.Text);
}
}
this.ExpArgs.Add(exp);
break;
case "var":
this.Variable = ParserHelper.CreateVariableIdentity(this.OwnerTemplate, item.Text);
break;
case "output":
this.Output = TypeConvert.ToBool(item.Text);
break;
}
}
/// <summary>
/// 添加标签属性时的触发函数.用于设置自身的某些属性值
/// </summary>
/// <param name="name"></param>
/// <param name="item"></param>
protected override void OnAddingAttribute(string name, Attribute item)
{
switch (name)
{
case "index":
this.Index = ParserHelper.CreateVariableIdentity(this.OwnerTemplate, item.Text);
break;
}
}
/// <summary>
/// 添加标签属性时的触发函数.用于设置自身的某些属性值
/// </summary>
/// <param name="name"></param>
/// <param name="item"></param>
protected override void OnAddingAttribute(string name, Attribute item)
{
switch (name)
{
case "var":
this.Variable = ParserHelper.CreateVariableIdentity(this.OwnerTemplate, item.Text);
break;
case "output":
this.Output = TypeConvert.ToBool(item.Text);
break;
}
}
/// <summary>
/// 开始解析标签数据
/// </summary>
/// <param name="ownerTemplate">宿主模板</param>
/// <param name="container">标签的容器</param>
/// <param name="tagStack">标签堆栈</param>
/// <param name="text"></param>
/// <param name="match"></param>
/// <param name="isClosedTag">是否闭合标签</param>
/// <returns>如果需要继续处理EndTag则返回true.否则请返回false</returns>
internal override bool ProcessBeginTag(Template ownerTemplate, Tag container, Stack <Tag> tagStack, string text, ref Match match, bool isClosedTag)
{
if (this.Variable == null && !this.Output)
{
this.Variable = ParserHelper.CreateVariableIdentity(this.OwnerTemplate, "c");
}
//throw new ParserException(string.Format("{0}标签中如果未定义Output属性为true则必须定义var属性", this.TagName));
//if (this.Type != ServerDataType.Random
// && this.Type != ServerDataType.Time
// && this.Type != ServerDataType.Request
// && this.Type != ServerDataType.Environment
// && this.Item == null) throw new ParserException(string.Format("当{0}标签type=\"{1}\"时必须设置item属性值", this.TagName, this.Type));
return(base.ProcessBeginTag(ownerTemplate, container, tagStack, text, ref match, isClosedTag));
}
/// <summary>
/// 添加标签属性时的触发函数.用于设置自身的某些属性值
/// </summary>
/// <param name="name"></param>
/// <param name="item"></param>
protected override void OnAddingAttribute(string name, Attribute item)
{
switch (name)
{
case "from":
VariableExpression ve = item.Value as VariableExpression;
if (ve == null && this.OwnerDocument.DocumentConfig.CompatibleMode)
{
ve = ParserHelper.CreateVariableExpression(this.OwnerTemplate, item.Text);
}
this.From = ve;
break;
case "item":
this.Item = ParserHelper.CreateVariableIdentity(this.OwnerTemplate, item.Text);
break;
case "index":
this.Index = ParserHelper.CreateVariableIdentity(this.OwnerTemplate, item.Text);
break;
}
}
