public override bool TryMatch(Dom.Node node)
{
if (node == null)
{
return(false);
}
return(node.getAttribute("disabled") == null && node.getAttribute("readonly") == null);
}
public override bool TryMatch(Dom.Node node)
{
if (node == null)
{
return(false);
}
// Get the value:
string value = node.getAttribute("value");
// Required and blank is invalid:
return(node.getAttribute("required") != null && string.IsNullOrEmpty(value));
}
public override bool TryMatch(Dom.Node node)
{
if (node == null)
{
return(false);
}
return(node.getAttribute("visited") != null);
}
public override bool TryMatch(Dom.Node node)
{
if (node == null)
{
return(false);
}
return(node.getAttribute("indeterminate") == "1");
}
public override bool TryMatch(Dom.Node node)
{
if (node == null)
{
return(false);
}
if (node.getAttribute("required") == null)
{
// Not required.
return(true);
}
// Get the value:
string value = node.getAttribute("value");
// Not blank:
return(!string.IsNullOrEmpty(value));
}
public override bool TryMatch(Dom.Node context)
{
if (context == null)
{
return(false);
}
// Read it:
string value = context.getAttribute(Attribute);
if (value == null)
{
return(false);
}
if (Value == null)
{
// Attribute must just exist.
return(true);
}
if (CaseInsensitive)
{
value = value.ToLower();
}
switch (MatchMode)
{
default:
case 0:
// Equals: (=)
return(value == Value);
case 1:
// Starts with: (^=)
return(value.StartsWith(Value));
case 2:
// Ends with: ($=)
return(value.EndsWith(Value));
case 3:
// Contains substring: (*=)
return(value.Contains(Value));
case 4:
// Contains word: (~=)
return((value == Value) || value.Contains(" " + Value + " ") || value.StartsWith(Value + " ") || value.EndsWith(" " + Value));
case 5:
// Starts with value and - (|=)
return((value == Value) || value.StartsWith(Value + "-"));
}
}
public override bool TryMatch(Dom.Node node)
{
if (node == null)
{
return(false);
}
// Blank strings and '1' mean it's checked:
string check = node.getAttribute("checked");
return(check == "1" || check == "");
}
public override bool TryMatch(Dom.Node node)
{
if (node == null)
{
return(false);
}
// Get the value:
int value;
if (int.TryParse(node.getAttribute("value"), out value))
{
// Get min:
int min;
int.TryParse(node.getAttribute("min"), out min);
if (value < min)
{
return(false);
}
// Get max:
int max;
if (!int.TryParse(node.getAttribute("max"), out max))
{
max = int.MaxValue;
}
if (value > max)
{
return(false);
}
// In range!
return(true);
}
return(false);
}
