public Position TranslatePosition(Position pos)
{
try
{
if (pos.Equals(Position.Unknown))
return Position.Unknown;
if (dirty)
{
_mappings.Sort();
dirty = false;
}
if (_mappings.Count > 0)
{
int idx = _mappings.BinarySearch(new PositionMapping(pos, Position.Unknown));
if (idx >= 0)
{
return ((PositionMapping) _mappings[idx]).Value;
}
else
{
int closestIndex = (~idx) - 1;
PositionMapping matchedMapping = (PositionMapping) _mappings[closestIndex];
if (!matchedMapping.Value.Equals(Position.Unknown))
{
if (matchedMapping.Key.Line == pos.Line)
{
return new Position(
matchedMapping.Value.Line,
matchedMapping.Value.Column + (pos.Column - matchedMapping.Key.Column));
}
else
{
return new Position(
matchedMapping.Value.Line + (pos.Line - matchedMapping.Key.Line),
pos.Column);
}
}
}
}
return Position.Unknown;
}
catch (Exception e)
{
Trace.Fail(e.ToString());
return Position.Unknown;
}
}
public abstract void Literal(string literal, Position startPos);
public abstract void Expression(string expr, Position startPos);
public abstract void Code(string code, Position startPos);
public PositionMapping(Position key, Position value)
{
Key = key;
Value = value;
}
public void AddMapping(Position from, Position to)
{
dirty = true;
_mappings.Add(new PositionMapping(from, to));
}
public override void Literal(string literal, Position startPos)
{
_value.Append("___output.Append(@\"");
foreach (char c in literal)
{
switch (c)
{
case '"':
_value.Append("\"\"");
break;
default:
_value.Append(c.ToString());
break;
}
}
_value.Append("\");");
}
public override void Expression(string expr, Position startPos)
{
_value.Append("___output.Append(");
_sourcePositionTransposer.AddMapping(
_value.Position,
startPos);
_value.Append(expr);
/*
_sourcePositionTransposer.AddMapping(
new Position(_value.Line, _value.Column + 1),
Position.Unknown);
*/
_value.Append(");");
}
public override void Code(string code, Position startPos)
{
_sourcePositionTransposer.AddMapping(
_value.Position,
startPos);
_value.Append(code);
/*
_sourcePositionTransposer.AddMapping(
new Position(_value.Line, _value.Column),
Position.Unknown);
*/
}
internal TemplateCompilationException(string message, Position position) : base(message)
{
_message = message;
_position = position;
}