private void RemoveElement(IHtmlElement element, IHtmlAttribute attribute)
{
var classes = attribute.Value();
if (!string.IsNullOrEmpty(classes))
{
Regulars.whiteSpaceSeparatorRegex.Split(classes).ForAll(c => RemoveElement(c, element));
}
}
private void RemoveElement(IHtmlElement element, IHtmlAttribute attribute)
{
var id = attribute.Value();
if (id == null)
{
return;
}
data.Remove(id);
}
public static IDictionary<string, string> ParseExpression( IHtmlAttribute attribute )
{
var expression = attribute.Value();
if ( expression == null )
return null;
var match = bindingExpressionRegex.Match( expression );
if ( match == null || !match.Success )
return null;
return ParseExpression( match );
}
/// <summary>
/// 解析属性为绑定表达式
/// </summary>
/// <param name="attribute">要解析的属性</param>
/// <returns>绑定表达式</returns>
public static AttributeExpression ParseExpression( IHtmlAttribute attribute )
{
var expression = attribute.Value();
if ( expression == null )
return null;
var match = attributeExpressionRegex.Match( expression );
if ( match == null || !match.Success )
return null;
return ParseExpression( match );
}
public static IDictionary <string, string> ParseExpression(IHtmlAttribute attribute)
{
var expression = attribute.Value();
if (expression == null)
{
return(null);
}
var match = bindingExpressionRegex.Match(expression);
if (match == null || !match.Success)
{
return(null);
}
return(ParseExpression(match));
}
/// <summary>
/// 解析属性为绑定表达式
/// </summary>
/// <param name="attribute">要解析的属性</param>
/// <returns>绑定表达式</returns>
public static AttributeExpression ParseExpression(IHtmlAttribute attribute)
{
var expression = attribute.Value();
if (expression == null)
{
return(null);
}
var match = attributeExpressionRegex.Match(expression);
if (match == null || !match.Success)
{
return(null);
}
return(ParseExpression(match));
}
/// <summary>
/// 进行属性绑定
/// </summary>
/// <param name="attribute">要绑定的属性</param>
protected virtual void BindAttribute(IHtmlAttribute attribute)
{
var expression = BindingExpression.ParseExpression(attribute.Value());
if (expression == null)
{
return;
}
var value = GetValue(expression);
if (value == null)
{
attribute.Remove();
}
else
{
attribute.SetValue(value.ToString());
}
}
