public int Process(IContext context, string text)
{
TagContext tagContext = context as TagContext;
if (tagContext == null)
{
throw new ArgumentException("TagHandler needs TagContext.");
}
string tagName = text.Substring(2, text.IndexOf('>') - 2);
Tag tag;
try
{
tag = (Tag)tagContext.Pop();
}
catch (InvalidOperationException e)
{
throw new MissingOpeningTagException(tagName, e);
}
if (tag.Name != tagName)
{
throw new MissingClosingTagException(tagName);
}
return(text.Length);
}
public void ProcessTagTestWithAttribute()
{
TagContext context = new TagContext();
OpenTagHandler handler = new OpenTagHandler();
int result = handler.Process(context, lineWithAttr);
Tag tag = (Tag)context.Pop();
Assert.AreEqual("name", tag.Name);
Assert.AreEqual("attr", tag.Attribute);
Assert.AreEqual(1, tag.Value);
Assert.AreEqual(lineWithAttr.IndexOf('>') + 1, result);
}
