/// <summary>
/// Path.
/// </summary>
internal static Object ToPath(NpgsqlBackendTypeInfo TypeInfo, byte[] bBackendData, Int16 TypeSize, Int32 TypeModifier)
{
string BackendData = BackendEncoding.UTF8Encoding.GetString(bBackendData);
Match m = pathpolygonRegex.Match(BackendData);
Boolean open = (BackendData[0] == '[');
List <NpgsqlPoint> points = new List <NpgsqlPoint>();
while (m.Success)
{
if (open)
{
points.Add(
new NpgsqlPoint(
Single.Parse(m.Groups[1].ToString(), NumberStyles.Any, CultureInfo.InvariantCulture.NumberFormat),
Single.Parse(m.Groups[2].ToString(), NumberStyles.Any, CultureInfo.InvariantCulture.NumberFormat)));
}
else
{
// Here we have to do a little hack, because as of 2004-08-11 mono cvs version, the last group is returned with
// a trailling ')' only when the last character of the string is a ')' which is the case for closed paths
// returned by backend. This gives parsing exception when converting to single.
// I still don't know if this is a bug in mono or in my regular expression.
// Check if there is this character and remove it.
String group2 = m.Groups[2].ToString();
if (group2.EndsWith(")"))
{
group2 = group2.Remove(group2.Length - 1, 1);
}
points.Add(
new NpgsqlPoint(
Single.Parse(m.Groups[1].ToString(), NumberStyles.Any, CultureInfo.InvariantCulture.NumberFormat),
Single.Parse(group2, NumberStyles.Any, CultureInfo.InvariantCulture.NumberFormat)));
}
m = m.NextMatch();
}
NpgsqlPath result = new NpgsqlPath(points.ToArray());
result.Open = open;
return(result);
}
public bool Equals(NpgsqlPath other)
{
if (Open != other.Open || Count != other.Count)
{
return(false);
}
else if (ReferenceEquals(_points, other._points))//Short cut for shallow copies.
{
return(true);
}
for (int i = 0; i != Count; ++i)
{
if (this[i] != other[i])
{
return(false);
}
}
return(true);
}
