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616 lines (505 loc) · 18.9 KB
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using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Net;
using System.Net.Sockets;
using System.Text;
#pragma warning disable 1591
// ReSharper disable once CheckNamespace
namespace NpgsqlTypes;
/// <summary>
/// Represents a PostgreSQL point type.
/// </summary>
/// <remarks>
/// See https://www.postgresql.org/docs/current/static/datatype-geometric.html
/// </remarks>
public struct NpgsqlPoint(double x, double y) : IEquatable<NpgsqlPoint>
{
public double X { get; set; } = x;
public double Y { get; set; } = y;
// ReSharper disable CompareOfFloatsByEqualityOperator
public bool Equals(NpgsqlPoint other) => X == other.X && Y == other.Y;
// ReSharper restore CompareOfFloatsByEqualityOperator
public override bool Equals(object? obj)
=> obj is NpgsqlPoint point && Equals(point);
public static bool operator ==(NpgsqlPoint x, NpgsqlPoint y) => x.Equals(y);
public static bool operator !=(NpgsqlPoint x, NpgsqlPoint y) => !(x == y);
public override int GetHashCode()
=> HashCode.Combine(X, Y);
public override string ToString()
=> string.Format(CultureInfo.InvariantCulture, "({0},{1})", X, Y);
public void Deconstruct(out double x, out double y) => (x, y) = (X, Y);
}
/// <summary>
/// Represents a PostgreSQL line type.
/// </summary>
/// <remarks>
/// See https://www.postgresql.org/docs/current/static/datatype-geometric.html
/// </remarks>
public struct NpgsqlLine(double a, double b, double c) : IEquatable<NpgsqlLine>
{
public double A { get; set; } = a;
public double B { get; set; } = b;
public double C { get; set; } = c;
public override string ToString()
=> string.Format(CultureInfo.InvariantCulture, "{{{0},{1},{2}}}", A, B, C);
public override int GetHashCode()
=> HashCode.Combine(A, B, C);
public bool Equals(NpgsqlLine other)
=> A == other.A && B == other.B && C == other.C;
public override bool Equals(object? obj)
=> obj is NpgsqlLine line && Equals(line);
public static bool operator ==(NpgsqlLine x, NpgsqlLine y) => x.Equals(y);
public static bool operator !=(NpgsqlLine x, NpgsqlLine y) => !(x == y);
public void Deconstruct(out double a, out double b, out double c) => (a, b, c) = (A, B, C);
}
/// <summary>
/// Represents a PostgreSQL Line Segment type.
/// </summary>
public struct NpgsqlLSeg : IEquatable<NpgsqlLSeg>
{
public NpgsqlPoint Start { get; set; }
public NpgsqlPoint End { get; set; }
public NpgsqlLSeg(NpgsqlPoint start, NpgsqlPoint end)
: this()
{
Start = start;
End = end;
}
public NpgsqlLSeg(double startx, double starty, double endx, double endy) : this()
{
Start = new NpgsqlPoint(startx, starty);
End = new NpgsqlPoint(endx, endy);
}
public override string ToString()
=> string.Format(CultureInfo.InvariantCulture, "[{0},{1}]", Start, End);
public override int GetHashCode()
=> HashCode.Combine(Start.X, Start.Y, End.X, End.Y);
public bool Equals(NpgsqlLSeg other)
=> Start == other.Start && End == other.End;
public override bool Equals(object? obj)
=> obj is NpgsqlLSeg seg && Equals(seg);
public static bool operator ==(NpgsqlLSeg x, NpgsqlLSeg y) => x.Equals(y);
public static bool operator !=(NpgsqlLSeg x, NpgsqlLSeg y) => !(x == y);
public void Deconstruct(out NpgsqlPoint start, out NpgsqlPoint end) => (start, end) = (Start, End);
}
/// <summary>
/// Represents a PostgreSQL box type.
/// </summary>
/// <remarks>
/// See https://www.postgresql.org/docs/current/static/datatype-geometric.html
/// </remarks>
public struct NpgsqlBox : IEquatable<NpgsqlBox>
{
NpgsqlPoint _upperRight;
public NpgsqlPoint UpperRight
{
get => _upperRight;
set
{
_upperRight = value;
NormalizeBox();
}
}
NpgsqlPoint _lowerLeft;
public NpgsqlPoint LowerLeft
{
get => _lowerLeft;
set
{
_lowerLeft = value;
NormalizeBox();
}
}
public NpgsqlBox(NpgsqlPoint upperRight, NpgsqlPoint lowerLeft) : this()
{
_upperRight = upperRight;
_lowerLeft = lowerLeft;
NormalizeBox();
}
public NpgsqlBox(double top, double right, double bottom, double left)
: this(new NpgsqlPoint(right, top), new NpgsqlPoint(left, bottom)) { }
public double Left => LowerLeft.X;
public double Right => UpperRight.X;
public double Bottom => LowerLeft.Y;
public double Top => UpperRight.Y;
public double Width => Right - Left;
public double Height => Top - Bottom;
public bool IsEmpty => Width == 0 || Height == 0;
public bool Equals(NpgsqlBox other)
=> UpperRight == other.UpperRight && LowerLeft == other.LowerLeft;
public override bool Equals(object? obj)
=> obj is NpgsqlBox box && Equals(box);
public static bool operator ==(NpgsqlBox x, NpgsqlBox y) => x.Equals(y);
public static bool operator !=(NpgsqlBox x, NpgsqlBox y) => !(x == y);
public override string ToString()
=> string.Format(CultureInfo.InvariantCulture, "{0},{1}", UpperRight, LowerLeft);
public override int GetHashCode()
=> HashCode.Combine(Top, Right, Bottom, LowerLeft);
// Swaps corners for isomorphic boxes, to mirror postgres behavior.
// See: https://github.com/postgres/postgres/blob/af2324fabf0020e464b0268be9ef03e8f46ed84b/src/backend/utils/adt/geo_ops.c#L435-L447
void NormalizeBox()
{
if (_upperRight.X < _lowerLeft.X)
(_upperRight.X, _lowerLeft.X) = (_lowerLeft.X, _upperRight.X);
if (_upperRight.Y < _lowerLeft.Y)
(_upperRight.Y, _lowerLeft.Y) = (_lowerLeft.Y, _upperRight.Y);
}
public void Deconstruct(out NpgsqlPoint lowerLeft, out NpgsqlPoint upperRight)
{
lowerLeft = LowerLeft;
upperRight = UpperRight;
}
public void Deconstruct(out double left, out double right, out double bottom, out double top)
{
left = Left;
right = Right;
bottom = Bottom;
top = Top;
}
public void Deconstruct(out double left, out double right, out double bottom, out double top, out double width, out double height)
{
left = Left;
right = Right;
bottom = Bottom;
top = Top;
width = Width;
height = Height;
}
}
/// <summary>
/// Represents a PostgreSQL Path type.
/// </summary>
public struct NpgsqlPath : IList<NpgsqlPoint>, IEquatable<NpgsqlPath>
{
List<NpgsqlPoint> _points;
List<NpgsqlPoint> Points => _points ??= [];
public bool Open { get; set; }
public NpgsqlPath()
=> _points = [];
public NpgsqlPath(IEnumerable<NpgsqlPoint> points, bool open)
{
_points = [..points];
Open = open;
}
public NpgsqlPath(IEnumerable<NpgsqlPoint> points) : this(points, false) {}
public NpgsqlPath(params NpgsqlPoint[] points) : this(points, false) {}
public NpgsqlPath(bool open) : this()
{
_points = [];
Open = open;
}
public NpgsqlPath(int capacity, bool open) : this()
{
_points = new List<NpgsqlPoint>(capacity);
Open = open;
}
public NpgsqlPath(int capacity) : this(capacity, false) {}
public NpgsqlPoint this[int index]
{
get => Points[index];
set => Points[index] = value;
}
public int Capacity => Points.Capacity;
public int Count => _points?.Count ?? 0;
public bool IsReadOnly => false;
public int IndexOf(NpgsqlPoint item) => Points.IndexOf(item);
public void Insert(int index, NpgsqlPoint item) => Points.Insert(index, item);
public void RemoveAt(int index) => Points.RemoveAt(index);
public void Add(NpgsqlPoint item) => Points.Add(item);
public void Clear() => Points.Clear();
public bool Contains(NpgsqlPoint item) => Points.Contains(item);
public void CopyTo(NpgsqlPoint[] array, int arrayIndex) => Points.CopyTo(array, arrayIndex);
public bool Remove(NpgsqlPoint item) => Points.Remove(item);
public IEnumerator<NpgsqlPoint> GetEnumerator() => Points.GetEnumerator();
IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
public bool Equals(NpgsqlPath other)
{
if (Open != other.Open || Count != other.Count)
return false;
if (ReferenceEquals(_points, other._points))//Short cut for shallow copies.
return true;
for (var i = 0; i != Count; ++i)
if (this[i] != other[i])
return false;
return true;
}
public override bool Equals(object? obj)
=> obj is NpgsqlPath path && Equals(path);
public static bool operator ==(NpgsqlPath x, NpgsqlPath y) => x.Equals(y);
public static bool operator !=(NpgsqlPath x, NpgsqlPath y) => !(x == y);
public override int GetHashCode()
{
var hashCode = new HashCode();
hashCode.Add(Open);
foreach (var point in this)
{
hashCode.Add(point.X);
hashCode.Add(point.Y);
}
return hashCode.ToHashCode();
}
public override string ToString()
{
var sb = new StringBuilder();
sb.Append(Open ? '[' : '(');
int i;
for (i = 0; i < Count; i++)
{
var p = _points[i];
sb.AppendFormat(CultureInfo.InvariantCulture, "({0},{1})", p.X, p.Y);
if (i < _points.Count - 1)
sb.Append(',');
}
sb.Append(Open ? ']' : ')');
return sb.ToString();
}
}
/// <summary>
/// Represents a PostgreSQL Polygon type.
/// </summary>
public struct NpgsqlPolygon : IList<NpgsqlPoint>, IEquatable<NpgsqlPolygon>
{
List<NpgsqlPoint> _points;
List<NpgsqlPoint> Points => _points ??= [];
public NpgsqlPolygon()
=> _points = [];
public NpgsqlPolygon(IEnumerable<NpgsqlPoint> points)
=> _points = [..points];
public NpgsqlPolygon(params NpgsqlPoint[] points) : this((IEnumerable<NpgsqlPoint>) points) {}
public NpgsqlPolygon(int capacity)
=> _points = new List<NpgsqlPoint>(capacity);
public NpgsqlPoint this[int index]
{
get => Points[index];
set => Points[index] = value;
}
public int Capacity => Points.Capacity;
public int Count => _points?.Count ?? 0;
public bool IsReadOnly => false;
public int IndexOf(NpgsqlPoint item) => Points.IndexOf(item);
public void Insert(int index, NpgsqlPoint item) => Points.Insert(index, item);
public void RemoveAt(int index) => Points.RemoveAt(index);
public void Add(NpgsqlPoint item) => Points.Add(item);
public void Clear() => Points.Clear();
public bool Contains(NpgsqlPoint item) => Points.Contains(item);
public void CopyTo(NpgsqlPoint[] array, int arrayIndex) => Points.CopyTo(array, arrayIndex);
public bool Remove(NpgsqlPoint item) => Points.Remove(item);
public IEnumerator<NpgsqlPoint> GetEnumerator() => Points.GetEnumerator();
IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
public bool Equals(NpgsqlPolygon other)
{
if (Count != other.Count)
return false;
if (ReferenceEquals(_points, other._points))
return true;
for (var i = 0; i != Count; ++i)
if (this[i] != other[i])
return false;
return true;
}
public override bool Equals(object? obj)
=> obj is NpgsqlPolygon polygon && Equals(polygon);
public static bool operator ==(NpgsqlPolygon x, NpgsqlPolygon y) => x.Equals(y);
public static bool operator !=(NpgsqlPolygon x, NpgsqlPolygon y) => !(x == y);
public override int GetHashCode()
{
var hashCode = new HashCode();
foreach (var point in this)
{
hashCode.Add(point.X);
hashCode.Add(point.Y);
}
return hashCode.ToHashCode();
}
public override string ToString()
{
var sb = new StringBuilder();
sb.Append('(');
int i;
for (i = 0; i < Count; i++)
{
var p = _points[i];
sb.AppendFormat(CultureInfo.InvariantCulture, "({0},{1})", p.X, p.Y);
if (i < _points.Count - 1) {
sb.Append(",");
}
}
sb.Append(')');
return sb.ToString();
}
}
/// <summary>
/// Represents a PostgreSQL Circle type.
/// </summary>
public struct NpgsqlCircle(double x, double y, double radius) : IEquatable<NpgsqlCircle>
{
public double X { get; set; } = x;
public double Y { get; set; } = y;
public double Radius { get; set; } = radius;
public NpgsqlCircle(NpgsqlPoint center, double radius)
: this(center.X, center.Y, radius)
{
}
public NpgsqlPoint Center
{
get => new(X, Y);
set => (X, Y) = (value.X, value.Y);
}
// ReSharper disable CompareOfFloatsByEqualityOperator
public bool Equals(NpgsqlCircle other)
=> X == other.X && Y == other.Y && Radius == other.Radius;
// ReSharper restore CompareOfFloatsByEqualityOperator
public override bool Equals(object? obj)
=> obj is NpgsqlCircle circle && Equals(circle);
public override string ToString()
=> string.Format(CultureInfo.InvariantCulture, "<({0},{1}),{2}>", X, Y, Radius);
public static bool operator ==(NpgsqlCircle x, NpgsqlCircle y) => x.Equals(y);
public static bool operator !=(NpgsqlCircle x, NpgsqlCircle y) => !(x == y);
public override int GetHashCode()
=> HashCode.Combine(X, Y, Radius);
public void Deconstruct(out double x, out double y, out double radius)
{
x = X;
y = Y;
radius = Radius;
}
public void Deconstruct(out NpgsqlPoint center, out double radius)
{
center = Center;
radius = Radius;
}
}
/// <summary>
/// Represents a PostgreSQL inet type, which is a combination of an IPAddress and a subnet mask.
/// </summary>
/// <remarks>
/// https://www.postgresql.org/docs/current/static/datatype-net-types.html
/// </remarks>
public readonly record struct NpgsqlInet
{
public IPAddress Address { get; }
public byte Netmask { get; }
public NpgsqlInet(IPAddress address, byte netmask)
{
CheckAddressFamily(address);
Address = address;
Netmask = netmask;
}
public NpgsqlInet(IPAddress address)
: this(address, (byte)(address.AddressFamily == AddressFamily.InterNetwork ? 32 : 128))
{
}
public NpgsqlInet(string addr)
{
switch (addr.Split('/'))
{
case { Length: 2 } segments:
(Address, Netmask) = (IPAddress.Parse(segments[0]), byte.Parse(segments[1]));
break;
case { Length: 1 } segments:
var ipAddr = IPAddress.Parse(segments[0]);
CheckAddressFamily(ipAddr);
(Address, Netmask) = (
ipAddr,
ipAddr.AddressFamily == AddressFamily.InterNetworkV6 ? (byte)128 : (byte)32);
break;
default:
throw new FormatException("Invalid number of parts in CIDR specification");
}
}
public override string ToString()
=> (Address?.AddressFamily == AddressFamily.InterNetwork && Netmask == 32) ||
(Address?.AddressFamily == AddressFamily.InterNetworkV6 && Netmask == 128)
? Address.ToString()
: $"{Address}/{Netmask}";
public static explicit operator IPAddress(NpgsqlInet inet)
=> inet.Address;
public static implicit operator NpgsqlInet(IPAddress ip)
=> new(ip);
public static implicit operator NpgsqlInet(IPNetwork cidr)
=> new(
cidr.BaseAddress,
cidr.PrefixLength <= byte.MaxValue
? (byte)cidr.PrefixLength
: throw new ArgumentOutOfRangeException(nameof(cidr), "IPNetwork.PrefixLength is too large to fit in a byte"));
public void Deconstruct(out IPAddress address, out byte netmask)
{
address = Address;
netmask = Netmask;
}
static void CheckAddressFamily(IPAddress address)
{
if (address.AddressFamily != AddressFamily.InterNetwork && address.AddressFamily != AddressFamily.InterNetworkV6)
throw new ArgumentException("Only IPAddress of InterNetwork or InterNetworkV6 address families are accepted", nameof(address));
}
}
/// <summary>
/// Represents a PostgreSQL cidr type.
/// </summary>
/// <remarks>
/// https://www.postgresql.org/docs/current/static/datatype-net-types.html
/// </remarks>
[Obsolete("Use .NET IPNetwork instead of NpgsqlCidr to map to PostgreSQL cidr")]
public readonly record struct NpgsqlCidr
{
public IPAddress Address { get; }
public byte Netmask { get; }
public NpgsqlCidr(IPAddress address, byte netmask)
{
if (address.AddressFamily != AddressFamily.InterNetwork && address.AddressFamily != AddressFamily.InterNetworkV6)
throw new ArgumentException("Only IPAddress of InterNetwork or InterNetworkV6 address families are accepted", nameof(address));
Address = address;
Netmask = netmask;
}
public NpgsqlCidr(string addr)
=> (Address, Netmask) = addr.Split('/') switch
{
{ Length: 2 } segments => (IPAddress.Parse(segments[0]), byte.Parse(segments[1])),
{ Length: 1 } => throw new FormatException("Missing netmask"),
_ => throw new FormatException("Invalid number of parts in CIDR specification")
};
public static implicit operator NpgsqlInet(NpgsqlCidr cidr)
=> new(cidr.Address, cidr.Netmask);
public static explicit operator IPAddress(NpgsqlCidr cidr)
=> cidr.Address;
public override string ToString()
=> $"{Address}/{Netmask}";
public void Deconstruct(out IPAddress address, out byte netmask)
{
address = Address;
netmask = Netmask;
}
}
/// <summary>
/// Represents a PostgreSQL tid value
/// </summary>
/// <remarks>
/// https://www.postgresql.org/docs/current/static/datatype-oid.html
/// </remarks>
public readonly struct NpgsqlTid(uint blockNumber, ushort offsetNumber) : IEquatable<NpgsqlTid>
{
/// <summary>
/// Block number
/// </summary>
public uint BlockNumber { get; } = blockNumber;
/// <summary>
/// Tuple index within block
/// </summary>
public ushort OffsetNumber { get; } = offsetNumber;
public bool Equals(NpgsqlTid other)
=> BlockNumber == other.BlockNumber && OffsetNumber == other.OffsetNumber;
public override bool Equals(object? o)
=> o is NpgsqlTid tid && Equals(tid);
public override int GetHashCode() => (int)BlockNumber ^ OffsetNumber;
public static bool operator ==(NpgsqlTid left, NpgsqlTid right) => left.Equals(right);
public static bool operator !=(NpgsqlTid left, NpgsqlTid right) => !(left == right);
public override string ToString() => $"({BlockNumber},{OffsetNumber})";
public void Deconstruct(out uint blockNumber, out ushort offsetNumber)
{
blockNumber = BlockNumber;
offsetNumber = OffsetNumber;
}
}
#pragma warning restore 1591
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