public override bool Equals(object obj)
{
PositionTagged <T> other = obj as PositionTagged <T>;
return(other != null &&
other.Position == Position &&
Equals(other.Value, Value));
}
public AttributeValue(PositionTagged <string> prefix, PositionTagged <object> value, bool literal)
{
Prefix = prefix;
Value = value;
Literal = literal;
}
public virtual 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)
{
// Explicitly empty attribute, so write the prefix and suffix
WritePositionTaggedLiteral(writer, prefix);
WritePositionTaggedLiteral(writer, suffix);
}
else
{
for (int i = 0; i < values.Length; i++)
{
AttributeValue attrVal = values[i];
PositionTagged <object> val = attrVal.Value;
bool?boolVal = null;
if (val.Value is bool)
{
boolVal = (bool)val.Value;
}
if (val.Value != null && (boolVal == null || boolVal.Value))
{
string valStr = val.Value as string;
string valToString = valStr;
if (valStr == null)
{
valToString = val.Value.ToString();
}
if (boolVal != null)
{
Debug.Assert(boolVal.Value);
valToString = name;
}
if (first)
{
WritePositionTaggedLiteral(writer, prefix);
first = false;
}
else
{
WritePositionTaggedLiteral(writer, attrVal.Prefix);
}
if (attrVal.Literal)
{
WriteLiteralTo(writer, valToString);
}
else
{
if (val.Value is IEncodedString && boolVal == null)
{
WriteTo(writer, val.Value); // Write value
}
else
{
WriteTo(writer, valToString); // Write value
}
}
wroteSomething = true;
}
}
if (wroteSomething)
{
WritePositionTaggedLiteral(writer, suffix);
}
}
}
public virtual void WriteAttribute(string name, PositionTagged <string> prefix, PositionTagged <string> suffix, params AttributeValue[] values)
{
WriteAttributeTo(CurrentWriter, name, prefix, suffix, values);
}
/// <summary>
/// Writes a <see cref="PositionTagged{}" /> literal to the result.
/// </summary>
/// <param name="writer">The writer.</param>
/// <param name="value">The literal to be written.</param>
private void WritePositionTaggedLiteral(TextWriter writer, PositionTagged <string> value)
{
WriteLiteralTo(writer, value.Value);
}