public override bool Equals(object obj)
{
PositionTagged <T> other = obj as PositionTagged <T>;
return(other != null &&
other.Position == Position &&
Equals(other.Value, Value));
}
public static void WriteAttributeTo(TextWriter writer, string name, PositionTagged <string> prefix, PositionTagged <string> suffix, params AttributeValue[] values)
{
WebPageExecutingBase.WriteAttributeTo(writer, name, prefix, suffix, values);
}
private static void WritePositionTaggedLiteral(TextWriter writer, PositionTagged <string> value)
{
WritePositionTaggedLiteral(writer, value.Value);
}
public static void WriteAttributeTo(TextWriter writer, string name, PositionTagged <string> prefix, PositionTagged <string> suffix, params AttributeValue[] values)
{
bool first = true;
bool wroteSomething = false;
if (values.Length == 0)
{
WritePositionTaggedLiteral(writer, prefix);
WritePositionTaggedLiteral(writer, suffix);
}
else
{
for (int i = 0; i < values.Length; i++)
{
AttributeValue attrVal = values[i];
PositionTagged <object> val = attrVal.Value;
PositionTagged <string> next = i == values.Length - 1 ?
suffix : // End of the list, grab the suffix
values[i + 1].Prefix; // Still in the list, grab the next prefix
if (val.Value == null)
{
continue;
}
string stringValue;
if (val.Value is bool)
{
if ((bool)val.Value)
{
stringValue = name;
}
else
{
continue;
}
}
else
{
stringValue = val.Value as string;
}
if (first)
{
WritePositionTaggedLiteral(writer, prefix);
first = false;
}
else
{
WritePositionTaggedLiteral(writer, attrVal.Prefix);
}
// Calculate length of the source span by the position of the next value (or suffix)
int sourceLength = next.Position - attrVal.Value.Position;
// The extra branching here is to ensure that we call the Write*To(string) overload when
// possible.
if (attrVal.Literal && stringValue != null)
{
WriteLiteralTo(writer, stringValue);
}
else if (attrVal.Literal)
{
WriteLiteralTo(writer, val.Value);
}
else if (stringValue != null)
{
WriteTo(writer, stringValue);
}
else
{
WriteTo(writer, val.Value);
}
wroteSomething = true;
}
if (wroteSomething)
{
WritePositionTaggedLiteral(writer, suffix);
}
}
}
public AttributeValue(PositionTagged <string> prefix, PositionTagged <object> value, bool literal)
{
Prefix = prefix;
Value = value;
Literal = literal;
}
