private System.Nullable<System.Char> ReadChar( System.IO.StringReader reader, System.Nullable<System.Char> escape, System.Char @break, System.Boolean readNextOnBreak ) {
    if ( null == reader ) {
        throw new System.ArgumentNullException( "reader" );
    }

    var p = reader.Peek();
    if ( -1 == p ) {
        return null;
    }
    var c = System.Convert.ToChar( reader.Read() );
    if ( escape.HasValue && escape.Value.Equals( c ) ) {
        return System.Convert.ToChar( reader.Read() );
    }
    if ( @break.Equals( c ) ) {
        if ( readNextOnBreak ) {
            p = reader.Peek();
            if ( -1 == p ) {
                return null;
            } else if ( @break.Equals( System.Convert.ToChar( p ) ) ) {
                return System.Convert.ToChar( reader.Read() );
            }
        }
        return null;
    }
    return c;
}