| | | 1 | | using System; |
| | | 2 | | using System.Collections.Generic; |
| | | 3 | | |
| | | 4 | | namespace Plainquire.Filter.Abstractions; |
| | | 5 | | |
| | | 6 | | /// <summary> |
| | | 7 | | /// Represents a range of <typeparamref name="TType"/>. |
| | | 8 | | /// </summary> |
| | | 9 | | public class Range<TType> : IEquatable<Range<TType>>, IConvertible where TType : IComparable<TType> |
| | | 10 | | { |
| | | 11 | | /// <summary> |
| | | 12 | | /// The start of range. |
| | | 13 | | /// </summary> |
| | | 14 | | public TType? Start { get; } |
| | | 15 | | |
| | | 16 | | /// <summary> |
| | | 17 | | /// The end of range. |
| | | 18 | | /// </summary> |
| | | 19 | | public TType? End { get; } |
| | | 20 | | |
| | | 21 | | /// <summary> |
| | | 22 | | /// Gets the distance between <see cref="Start"/> and <see cref="End"/>. |
| | | 23 | | /// </summary> |
| | | 24 | | /// <autogeneratedoc /> |
| | 5 | 25 | | public double Distance => ToDouble(End) - ToDouble(Start); |
| | | 26 | | |
| | | 27 | | /// <summary> |
| | | 28 | | /// Initializes a new instance of the <see cref="Range{TType}"/> class. |
| | | 29 | | /// </summary> |
| | | 30 | | /// <param name="start">The start of range.</param> |
| | | 31 | | /// <param name="end">The end of range.</param> |
| | | 32 | | public Range(TType? start, TType? end) |
| | | 33 | | { |
| | 35245 | 34 | | Start = start; |
| | 35245 | 35 | | End = end; |
| | 35245 | 36 | | } |
| | | 37 | | |
| | | 38 | | /// <inheritdoc /> |
| | | 39 | | public override string ToString() |
| | | 40 | | { |
| | 332 | 41 | | var start = ToString(Start); |
| | 332 | 42 | | var end = ToString(End); |
| | | 43 | | |
| | 332 | 44 | | return $"{start}_{end}"; |
| | | 45 | | |
| | | 46 | | //if (start != null && end != null) |
| | | 47 | | // return $"{start}_{end}"; |
| | | 48 | | //if (start != null) |
| | | 49 | | // return start; |
| | | 50 | | //if (end != null) |
| | | 51 | | // return end; |
| | | 52 | | //return string.Empty; |
| | | 53 | | } |
| | | 54 | | |
| | | 55 | | /// <inheritdoc /> |
| | | 56 | | public override bool Equals(object? obj) |
| | 20 | 57 | | => Equals(obj as Range<TType>); |
| | | 58 | | |
| | | 59 | | /// <inheritdoc /> |
| | | 60 | | public bool Equals(Range<TType>? other) |
| | 20 | 61 | | => other != null && EqualityComparer<TType?>.Default.Equals(Start, other.Start) && EqualityComparer<TType?>.Defa |
| | | 62 | | |
| | | 63 | | /// <inheritdoc /> |
| | | 64 | | public override int GetHashCode() |
| | 1 | 65 | | => HashCode.Combine(Start, End); |
| | | 66 | | |
| | | 67 | | /// <summary> |
| | | 68 | | /// Indicates whether the <paramref name="val1"/> object is equal to <paramref name="val2"/> object. |
| | | 69 | | /// </summary> |
| | | 70 | | /// <param name="val1">The object to compare with <paramref name="val2"/>.</param> |
| | | 71 | | /// <param name="val2">The object to compare with <paramref name="val1"/>.</param> |
| | | 72 | | public static bool operator ==(Range<TType>? val1, Range<TType>? val2) |
| | 178 | 73 | | => EqualityComparer<Range<TType>?>.Default.Equals(val1, val2); |
| | | 74 | | |
| | | 75 | | /// <summary> |
| | | 76 | | /// Indicates whether the <paramref name="val1"/> object is not equal to <paramref name="val2"/> object. |
| | | 77 | | /// </summary> |
| | | 78 | | /// <param name="val1">The object to compare with <paramref name="val2"/>.</param> |
| | | 79 | | /// <param name="val2">The object to compare with <paramref name="val1"/>.</param> |
| | | 80 | | public static bool operator !=(Range<TType>? val1, Range<TType>? val2) |
| | 20 | 81 | | => !(val1 == val2); |
| | | 82 | | |
| | | 83 | | /// <summary> |
| | | 84 | | /// Indicates whether the range of <paramref name="val1"/> is lower than the range of <paramref name="val2"/> object |
| | | 85 | | /// </summary> |
| | | 86 | | /// <param name="val1">The object to compare with <paramref name="val2"/>.</param> |
| | | 87 | | /// <param name="val2">The object to compare with <paramref name="val1"/>.</param> |
| | | 88 | | public static bool operator <(Range<TType> val1, Range<TType> val2) |
| | 2 | 89 | | => ((IConvertible)val1).ToDecimal(null) < ((IConvertible)val2).ToDecimal(null); |
| | | 90 | | |
| | | 91 | | /// <summary> |
| | | 92 | | /// Indicates whether the range of <paramref name="val1"/> is greater than the range of <paramref name="val2"/> obje |
| | | 93 | | /// </summary> |
| | | 94 | | /// <param name="val1">The object to compare with <paramref name="val2"/>.</param> |
| | | 95 | | /// <param name="val2">The object to compare with <paramref name="val1"/>.</param> |
| | | 96 | | public static bool operator >(Range<TType> val1, Range<TType> val2) |
| | 2 | 97 | | => ((IConvertible)val1).ToDecimal(null) > ((IConvertible)val2).ToDecimal(null); |
| | | 98 | | |
| | | 99 | | /// <summary> |
| | | 100 | | /// Indicates whether the range of <paramref name="val1"/> is lower than or equal to the range of <paramref name="va |
| | | 101 | | /// </summary> |
| | | 102 | | /// <param name="val1">The object to compare with <paramref name="val2"/>.</param> |
| | | 103 | | /// <param name="val2">The object to compare with <paramref name="val1"/>.</param> |
| | | 104 | | public static bool operator <=(Range<TType> val1, Range<TType> val2) |
| | 2 | 105 | | => ((IConvertible)val1).ToDecimal(null) <= ((IConvertible)val2).ToDecimal(null); |
| | | 106 | | |
| | | 107 | | /// <summary> |
| | | 108 | | /// Indicates whether the range of <paramref name="val1"/> is greater than or equal to the range of <paramref name=" |
| | | 109 | | /// </summary> |
| | | 110 | | /// <param name="val1">The object to compare with <paramref name="val2"/>.</param> |
| | | 111 | | /// <param name="val2">The object to compare with <paramref name="val1"/>.</param> |
| | | 112 | | public static bool operator >=(Range<TType> val1, Range<TType> val2) |
| | 2 | 113 | | => ((IConvertible)val1).ToDecimal(null) >= ((IConvertible)val2).ToDecimal(null); |
| | | 114 | | |
| | | 115 | | private static string? ToString(TType? value) |
| | 664 | 116 | | => value switch |
| | 664 | 117 | | { |
| | 4 | 118 | | null => null, |
| | 2 | 119 | | DateTime dateTime => dateTime.ToString("o"), |
| | 648 | 120 | | DateTimeOffset dateTime => dateTime.ToString("o"), |
| | 10 | 121 | | _ => value.ToString() |
| | 664 | 122 | | }; |
| | | 123 | | |
| | | 124 | | private static double ToDouble(TType? val) |
| | 114 | 125 | | => val switch |
| | 114 | 126 | | { |
| | 2 | 127 | | null => 0, |
| | 2 | 128 | | DateTime dateTime => dateTime.Ticks, |
| | 2 | 129 | | DateTimeOffset dateTime => dateTime.Ticks, |
| | 106 | 130 | | IConvertible convertible => convertible.ToDouble(null), |
| | 2 | 131 | | _ => throw new InvalidOperationException($"The type {typeof(TType).Name} is not convertible to {nameof(Doubl |
| | 114 | 132 | | }; |
| | | 133 | | |
| | | 134 | | #region IConvertible |
| | | 135 | | TypeCode IConvertible.GetTypeCode() |
| | 1 | 136 | | => TypeCode.Object; |
| | | 137 | | |
| | | 138 | | bool IConvertible.ToBoolean(IFormatProvider? provider) |
| | 1 | 139 | | => throw new InvalidCastException($"Invalid cast from {nameof(Range)} to {nameof(Boolean)}"); |
| | | 140 | | |
| | | 141 | | char IConvertible.ToChar(IFormatProvider? provider) |
| | 1 | 142 | | => throw new InvalidCastException($"Invalid cast from {nameof(Range)} to {nameof(Char)}"); |
| | | 143 | | |
| | | 144 | | DateTime IConvertible.ToDateTime(IFormatProvider? provider) |
| | 1 | 145 | | => throw new InvalidCastException($"Invalid cast from {nameof(Range)} to {nameof(DateTime)}"); |
| | | 146 | | |
| | | 147 | | string IConvertible.ToString(IFormatProvider? provider) |
| | 2 | 148 | | => this.ToString(); |
| | | 149 | | |
| | | 150 | | object IConvertible.ToType(Type conversionType, IFormatProvider? provider) |
| | | 151 | | { |
| | | 152 | | try |
| | | 153 | | { |
| | 3 | 154 | | return ((IConvertible)((IConvertible)this).ToDouble(provider)).ToType(conversionType, provider); |
| | | 155 | | } |
| | 1 | 156 | | catch (OverflowException) |
| | | 157 | | { |
| | 1 | 158 | | throw new OverflowException($"Range was too large for a {conversionType.Name}"); |
| | | 159 | | } |
| | 2 | 160 | | } |
| | | 161 | | |
| | | 162 | | byte IConvertible.ToByte(IFormatProvider? provider) |
| | | 163 | | { |
| | 3 | 164 | | var result = ToDouble(End) - ToDouble(Start); |
| | 3 | 165 | | if (result <= byte.MaxValue) |
| | 2 | 166 | | return (byte)result; |
| | 1 | 167 | | throw new OverflowException($"Range was too large for a {nameof(Byte)}"); |
| | | 168 | | } |
| | | 169 | | |
| | | 170 | | decimal IConvertible.ToDecimal(IFormatProvider? provider) |
| | | 171 | | { |
| | | 172 | | try |
| | | 173 | | { |
| | 19 | 174 | | return Convert.ToDecimal(ToDouble(End) - ToDouble(Start)); |
| | | 175 | | } |
| | 1 | 176 | | catch (OverflowException) |
| | | 177 | | { |
| | 1 | 178 | | throw new OverflowException($"Range was too large for a {nameof(Decimal)}"); |
| | | 179 | | } |
| | 18 | 180 | | } |
| | | 181 | | |
| | | 182 | | double IConvertible.ToDouble(IFormatProvider? provider) |
| | 7 | 183 | | => ToDouble(End) - ToDouble(Start); |
| | | 184 | | |
| | | 185 | | short IConvertible.ToInt16(IFormatProvider? provider) |
| | | 186 | | { |
| | 3 | 187 | | var result = ToDouble(End) - ToDouble(Start); |
| | 3 | 188 | | if (result <= short.MaxValue) |
| | 2 | 189 | | return (short)result; |
| | 1 | 190 | | throw new OverflowException($"Range was too large for a {nameof(Int16)}"); |
| | | 191 | | } |
| | | 192 | | |
| | | 193 | | int IConvertible.ToInt32(IFormatProvider? provider) |
| | | 194 | | { |
| | 3 | 195 | | var result = ToDouble(End) - ToDouble(Start); |
| | 3 | 196 | | if (result <= int.MaxValue) |
| | 2 | 197 | | return (int)result; |
| | 1 | 198 | | throw new OverflowException($"Range was too large for a {nameof(Int32)}"); |
| | | 199 | | } |
| | | 200 | | |
| | | 201 | | long IConvertible.ToInt64(IFormatProvider? provider) |
| | | 202 | | { |
| | 3 | 203 | | var result = ToDouble(End) - ToDouble(Start); |
| | 3 | 204 | | if (result <= long.MaxValue) |
| | 2 | 205 | | return (long)result; |
| | 1 | 206 | | throw new OverflowException($"Range was too large for a {nameof(Int64)}"); |
| | | 207 | | } |
| | | 208 | | |
| | | 209 | | sbyte IConvertible.ToSByte(IFormatProvider? provider) |
| | | 210 | | { |
| | 3 | 211 | | var result = ToDouble(End) - ToDouble(Start); |
| | 3 | 212 | | if (result <= sbyte.MaxValue) |
| | 2 | 213 | | return (sbyte)result; |
| | 1 | 214 | | throw new OverflowException($"Range was too large for a {nameof(SByte)}"); |
| | | 215 | | } |
| | | 216 | | |
| | | 217 | | float IConvertible.ToSingle(IFormatProvider? provider) |
| | | 218 | | { |
| | 3 | 219 | | var result = ToDouble(End) - ToDouble(Start); |
| | 3 | 220 | | if (result < float.MaxValue) |
| | 2 | 221 | | return (float)result; |
| | 1 | 222 | | throw new OverflowException($"Range was too large for a {nameof(Single)}"); |
| | | 223 | | } |
| | | 224 | | |
| | | 225 | | ushort IConvertible.ToUInt16(IFormatProvider? provider) |
| | | 226 | | { |
| | 3 | 227 | | var result = ToDouble(End) - ToDouble(Start); |
| | 3 | 228 | | if (result <= ushort.MaxValue) |
| | 2 | 229 | | return (ushort)result; |
| | 1 | 230 | | throw new OverflowException($"Range was too large for a {nameof(UInt16)}"); |
| | | 231 | | } |
| | | 232 | | |
| | | 233 | | uint IConvertible.ToUInt32(IFormatProvider? provider) |
| | | 234 | | { |
| | 3 | 235 | | var result = ToDouble(End) - ToDouble(Start); |
| | 3 | 236 | | if (result <= uint.MaxValue) |
| | 2 | 237 | | return (uint)result; |
| | 1 | 238 | | throw new OverflowException($"Range was too large for a {nameof(UInt32)}"); |
| | | 239 | | } |
| | | 240 | | |
| | | 241 | | ulong IConvertible.ToUInt64(IFormatProvider? provider) |
| | | 242 | | { |
| | 3 | 243 | | var result = ToDouble(End) - ToDouble(Start); |
| | 3 | 244 | | if (result <= ulong.MaxValue) |
| | 2 | 245 | | return (ulong)result; |
| | 1 | 246 | | throw new OverflowException($"Range was too large for a {nameof(UInt64)}"); |
| | | 247 | | } |
| | | 248 | | #endregion |
| | | 249 | | } |
| | | 250 | | |
| | | 251 | | /// <summary> |
| | | 252 | | /// Utility class to create a <see cref="Range{TType}"/>. |
| | | 253 | | /// </summary> |
| | | 254 | | public static class Range |
| | | 255 | | { |
| | | 256 | | /// <summary> |
| | | 257 | | /// Creates a <see cref="Range{TType}"/>. |
| | | 258 | | /// </summary> |
| | | 259 | | /// <typeparam name="TType">The type of the values represented by range.</typeparam> |
| | | 260 | | /// <param name="start">The start of range.</param> |
| | | 261 | | /// <param name="end">The end of range.</param> |
| | | 262 | | public static Range<TType> Create<TType>(TType? start, TType? end) where TType : IComparable<TType> |
| | | 263 | | => new(start, end); |
| | | 264 | | } |