/// <summary>
/// Creates a new HTML tag that encloses another HTML tag
/// </summary>
/// <param name="tagName">Name of this tag</param>
/// <param name="enclosedTag">Tag that will enclodes by this tag. Means: <THISTAG><ENCLOSEDTAG></ENCLOSEDTAG></THISTAG> </param>
public WeakHTMLTag(string tagName, WeakHTMLTag enclosedTag)
: this(tagName, WeakHTMLContentType.HTML, enclosedTag.ToString())
{
if (enclosedTag == null)
{
throw new ArgumentNullException();
}
}
/// <summary>
/// Clones an existing HTML tag
/// </summary>
/// <param name="cloneSource">The source WeakHTMLTag that should be cloned</param>
public WeakHTMLTag(WeakHTMLTag cloneSource)
{
if (cloneSource == null)
{
throw new ArgumentNullException();
}
XElement clone = XElement.Parse(cloneSource.BaseXElement.ToString());
_xelem = clone; //Value is already set to GUID_REPLACE
this.HTML = cloneSource.HTML;
this.Attributes = new WeakHTMLAttributes(_xelem);
}
public string this[string name]
{
get
{
if (_element.Attribute(name) != null)
{
return(_element.Attribute(name).Value);
}
else
{
return(string.Empty);
}
}
set
{
string val = WeakHTMLTag.HTMLEncode(value);
_element.SetAttributeValue(name, val);
}
}
/// <summary>
/// Creates a clone of a existing WeakHTMLTag and encloses another WeakHTMLTag into it.
/// </summary>
/// <param name="outerTag">The WeakHTMLTag that used as the outer tag</param>
/// <param name="enclosedTag">The WeakHTMLTag used as the inner (enclosed) tag</param>
public WeakHTMLTag(WeakHTMLTag outerTag, WeakHTMLTag enclosedTag)
: this(outerTag)
{
if (enclosedTag == null)
{
throw new ArgumentNullException();
}
//This element is now correctly set to the data in OuterTag
//If this HTML tag does not have any value, we can use directly EnclosedTag as data
if (string.IsNullOrWhiteSpace(this.HTML))
{
this.HTML = enclosedTag.ToString();
}
else
{
//This HTML tag has a value set, so combine those two
this.HTML += enclosedTag.ToString();
}
}
/// <summary>
/// Concats several WeakHTMLTags into one. The first pameter is the outer tag, second tag is enclosed in first tag, third tag is enclosed in second tag and so on.
/// </summary>
/// <param name="tags"></param>
/// <returns></returns>
public static WeakHTMLTag Concat(params WeakHTMLTag[] tags)
{
//If we do not have any tag, return an exception
if (tags.Length == 0)
{
throw new ArgumentException("At least one WeakHTMLTag to concat is required");
}
else
{
//If we only get one item, return it
if (tags.Length == 1)
{
return(tags[0]);
}
else
{
WeakHTMLTag current = null;
//Loop all objects, starting with the last
for (int i = tags.Length - 1; i >= 0; i--)
{
if (current != null)
{
WeakHTMLTag temp = new WeakHTMLTag(tags[i], current);
current = temp;
}
else
{
//No current is present so far, use this element
current = tags[i];
}
}
return(current);
}
}
}
