715 lines
21 KiB
C#
715 lines
21 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Net.Sockets;
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using System.Reflection;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading;
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using System.Threading.Tasks;
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//using Windows.Networking;
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//using Windows.Networking.Sockets;
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namespace SharpCifs.Util.Sharpen
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{
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public static class Extensions
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{
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private static readonly long EpochTicks;
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static Extensions()
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{
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DateTime time = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
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EpochTicks = time.Ticks;
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}
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public static void Add<T>(this IList<T> list, int index, T item)
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{
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list.Insert(index, item);
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}
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public static void AddFirst<T>(this IList<T> list, T item)
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{
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list.Insert(0, item);
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}
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public static void AddLast<T>(this IList<T> list, T item)
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{
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list.Add(item);
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}
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public static void RemoveLast<T>(this IList<T> list)
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{
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if (list.Count > 0)
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list.Remove(list.Count - 1);
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}
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public static StringBuilder AppendRange(this StringBuilder sb, string str, int start, int end)
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{
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return sb.Append(str, start, end - start);
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}
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public static StringBuilder Delete(this StringBuilder sb, int start, int end)
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{
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return sb.Remove(start, end - start);
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}
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public static void SetCharAt(this StringBuilder sb, int index, char c)
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{
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sb[index] = c;
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}
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public static int IndexOf(this StringBuilder sb, string str)
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{
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return sb.ToString().IndexOf(str);
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}
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public static int BitCount(int val)
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{
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uint num = (uint)val;
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int count = 0;
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for (int i = 0; i < 32; i++)
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{
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if ((num & 1) != 0)
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{
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count++;
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}
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num >>= 1;
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}
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return count;
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}
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public static IndexOutOfRangeException CreateIndexOutOfRangeException(int index)
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{
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return new IndexOutOfRangeException("Index: " + index);
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}
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public static string Decode(this Encoding e, byte[] chars, int start, int len)
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{
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try
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{
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byte[] bom = e.GetPreamble();
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if (bom != null && bom.Length > 0)
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{
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if (len >= bom.Length)
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{
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int pos = start;
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bool hasBom = true;
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for (int n = 0; n < bom.Length && hasBom; n++)
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{
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if (bom[n] != chars[pos++])
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hasBom = false;
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}
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if (hasBom)
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{
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len -= pos - start;
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start = pos;
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}
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}
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}
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return e.GetString(chars, start, len);
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}
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catch (DecoderFallbackException)
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{
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throw new CharacterCodingException();
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}
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}
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public static Encoding GetEncoding(string name)
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{
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// Encoding e = Encoding.GetEncoding (name, EncoderFallback.ExceptionFallback, DecoderFallback.ExceptionFallback);
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try
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{
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Encoding e = Encoding.GetEncoding(name.Replace('_', '-'));
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if (e is UTF8Encoding)
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return new UTF8Encoding(false, true);
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return e;
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}
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catch (ArgumentException)
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{
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throw new UnsupportedCharsetException(name);
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}
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}
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public static ICollection<KeyValuePair<T, TU>> EntrySet<T, TU>(this IDictionary<T, TU> s)
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{
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return s;
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}
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public static bool AddItem<T>(this IList<T> list, T item)
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{
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list.Add(item);
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return true;
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}
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public static bool AddItem<T>(this ICollection<T> list, T item)
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{
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list.Add(item);
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return true;
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}
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public static TU Get<T, TU>(this IDictionary<T, TU> d, T key)
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{
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TU val;
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d.TryGetValue(key, out val);
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return val;
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}
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public static TU Put<T, TU>(this IDictionary<T, TU> d, T key, TU value)
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{
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TU old;
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d.TryGetValue(key, out old);
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d[key] = value;
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return old;
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}
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public static void PutAll<T, TU>(this IDictionary<T, TU> d, IDictionary<T, TU> values)
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{
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foreach (KeyValuePair<T, TU> val in values)
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d[val.Key] = val.Value;
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}
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public static CultureInfo GetEnglishCulture()
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{
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return new CultureInfo("en-US");
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}
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public static T GetFirst<T>(this IList<T> list)
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{
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return ((list.Count == 0) ? default(T) : list[0]);
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}
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public static CultureInfo GetGermanCulture()
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{
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CultureInfo r = new CultureInfo("de-DE");
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return r;
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}
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public static T GetLast<T>(this IList<T> list)
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{
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return ((list.Count == 0) ? default(T) : list[list.Count - 1]);
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}
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public static int GetOffset(this TimeZoneInfo tzone, long date)
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{
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return (int)tzone.GetUtcOffset(MillisToDateTimeOffset(date, 0).DateTime).TotalMilliseconds;
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}
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public static InputStream GetResourceAsStream(this Type type, string name)
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{
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//Type.`Assembly` property deleted
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//string str2 = type.Assembly.GetName().Name + ".resources";
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string str2 = type.GetTypeInfo().Assembly.GetName().Name + ".resources";
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string[] textArray1 = { str2, ".", type.Namespace, ".", name };
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string str = string.Concat(textArray1);
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//Type.`Assembly` property deleted
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//Stream manifestResourceStream = type.Assembly.GetManifestResourceStream(str);
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Stream manifestResourceStream = type.GetTypeInfo().Assembly.GetManifestResourceStream(str);
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if (manifestResourceStream == null)
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{
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return null;
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}
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return InputStream.Wrap(manifestResourceStream);
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}
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public static long GetTime(this DateTime dateTime)
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{
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return new DateTimeOffset(DateTime.SpecifyKind(dateTime, DateTimeKind.Utc), TimeSpan.Zero).ToMillisecondsSinceEpoch();
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}
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public static void InitCause(this Exception ex, Exception cause)
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{
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Console.WriteLine(cause);
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}
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public static bool IsEmpty<T>(this ICollection<T> col)
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{
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return (col.Count == 0);
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}
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public static bool IsEmpty<T>(this Stack<T> col)
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{
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return (col.Count == 0);
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}
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public static bool IsLower(this char c)
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{
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return char.IsLower(c);
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}
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public static bool IsUpper(this char c)
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{
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return char.IsUpper(c);
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}
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public static Iterator<T> Iterator<T>(this ICollection<T> col)
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{
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return new EnumeratorWrapper<T>(col, col.GetEnumerator());
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}
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public static Iterator<T> Iterator<T>(this IEnumerable<T> col)
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{
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return new EnumeratorWrapper<T>(col, col.GetEnumerator());
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}
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public static T Last<T>(this ICollection<T> col)
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{
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IList<T> list = col as IList<T>;
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if (list != null)
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{
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return list[list.Count - 1];
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}
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return col.Last();
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}
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public static int LowestOneBit(int val)
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{
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return (1 << NumberOfTrailingZeros(val));
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}
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public static bool Matches(this string str, string regex)
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{
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Regex regex2 = new Regex(regex);
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return regex2.IsMatch(str);
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}
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public static DateTime CreateDate(long milliSecondsSinceEpoch)
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{
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long num = EpochTicks + (milliSecondsSinceEpoch * 10000);
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return new DateTime(num);
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}
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public static DateTime CreateDateFromUTC(long milliSecondsSinceEpoch)
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{
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long num = EpochTicks + (milliSecondsSinceEpoch * 10000);
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return new DateTime(num, DateTimeKind.Utc);
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}
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public static DateTimeOffset MillisToDateTimeOffset(long milliSecondsSinceEpoch, long offsetMinutes)
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{
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TimeSpan offset = TimeSpan.FromMinutes(offsetMinutes);
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long num = EpochTicks + (milliSecondsSinceEpoch * 10000);
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return new DateTimeOffset(num + offset.Ticks, offset);
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}
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public static int NumberOfLeadingZeros(int val)
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{
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uint num = (uint)val;
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int count = 0;
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while ((num & 0x80000000) == 0)
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{
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num = num << 1;
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count++;
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}
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return count;
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}
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public static int NumberOfTrailingZeros(int val)
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{
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uint num = (uint)val;
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int count = 0;
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while ((num & 1) == 0)
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{
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num = num >> 1;
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count++;
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}
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return count;
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}
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public static int Read(this StreamReader reader, char[] data)
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{
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return reader.Read(data, 0, data.Length);
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}
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public static T Remove<T>(this IList<T> list, T item)
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{
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int index = list.IndexOf(item);
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if (index == -1)
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{
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return default(T);
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}
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T local = list[index];
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list.RemoveAt(index);
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return local;
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}
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public static T Remove<T>(this IList<T> list, int i)
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{
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T old;
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try
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{
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old = list[i];
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list.RemoveAt(i);
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}
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catch (IndexOutOfRangeException)
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{
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throw new NoSuchElementException();
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}
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return old;
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}
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public static T RemoveFirst<T>(this IList<T> list)
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{
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return list.Remove(0);
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}
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public static string ReplaceAll(this string str, string regex, string replacement)
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{
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Regex rgx = new Regex(regex);
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if (replacement.IndexOfAny(new[] { '\\', '$' }) != -1)
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{
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// Back references not yet supported
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StringBuilder sb = new StringBuilder();
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for (int n = 0; n < replacement.Length; n++)
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{
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char c = replacement[n];
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if (c == '$')
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throw new NotSupportedException("Back references not supported");
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if (c == '\\')
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c = replacement[++n];
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sb.Append(c);
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}
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replacement = sb.ToString();
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}
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return rgx.Replace(str, replacement);
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}
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public static bool RegionMatches(this string str, bool ignoreCase, int toOffset, string other, int ooffset, int len)
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{
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if (toOffset < 0 || ooffset < 0 || toOffset + len > str.Length || ooffset + len > other.Length)
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return false;
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return string.Compare(str, toOffset, other, ooffset, len) == 0;
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}
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public static T Set<T>(this IList<T> list, int index, T item)
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{
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T old = list[index];
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list[index] = item;
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return old;
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}
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public static int Signum(long val)
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{
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if (val < 0)
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{
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return -1;
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}
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if (val > 0)
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{
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return 1;
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}
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return 0;
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}
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|
|
||
|
|
public static void RemoveAll<T, TU>(this ICollection<T> col, ICollection<TU> items) where TU : T
|
||
|
|
{
|
||
|
|
foreach (var u in items)
|
||
|
|
col.Remove(u);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static bool ContainsAll<T, TU>(this ICollection<T> col, ICollection<TU> items) where TU : T
|
||
|
|
{
|
||
|
|
foreach (var u in items)
|
||
|
|
if (!col.Any(n => (ReferenceEquals(n, u)) || n.Equals(u)))
|
||
|
|
return false;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static bool Contains<T>(this ICollection<T> col, object item)
|
||
|
|
{
|
||
|
|
if (!(item is T))
|
||
|
|
return false;
|
||
|
|
return col.Any(n => (ReferenceEquals(n, item)) || n.Equals(item));
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void Sort<T>(this IList<T> list)
|
||
|
|
{
|
||
|
|
List<T> sorted = new List<T>(list);
|
||
|
|
sorted.Sort();
|
||
|
|
for (int i = 0; i < list.Count; i++)
|
||
|
|
{
|
||
|
|
list[i] = sorted[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void Sort<T>(this IList<T> list, IComparer<T> comparer)
|
||
|
|
{
|
||
|
|
List<T> sorted = new List<T>(list);
|
||
|
|
sorted.Sort(comparer);
|
||
|
|
for (int i = 0; i < list.Count; i++)
|
||
|
|
{
|
||
|
|
list[i] = sorted[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public static string[] Split(this string str, string regex)
|
||
|
|
{
|
||
|
|
return str.Split(regex, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static string[] Split(this string str, string regex, int limit)
|
||
|
|
{
|
||
|
|
Regex rgx = new Regex(regex);
|
||
|
|
List<string> list = new List<string>();
|
||
|
|
int startIndex = 0;
|
||
|
|
if (limit != 1)
|
||
|
|
{
|
||
|
|
int nm = 1;
|
||
|
|
foreach (Match match in rgx.Matches(str))
|
||
|
|
{
|
||
|
|
list.Add(str.Substring(startIndex, match.Index - startIndex));
|
||
|
|
startIndex = match.Index + match.Length;
|
||
|
|
if (limit > 0 && ++nm == limit)
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (startIndex < str.Length)
|
||
|
|
{
|
||
|
|
list.Add(str.Substring(startIndex));
|
||
|
|
}
|
||
|
|
if (limit >= 0)
|
||
|
|
{
|
||
|
|
int count = list.Count - 1;
|
||
|
|
while ((count >= 0) && (list[count].Length == 0))
|
||
|
|
{
|
||
|
|
count--;
|
||
|
|
}
|
||
|
|
list.RemoveRange(count + 1, (list.Count - count) - 1);
|
||
|
|
}
|
||
|
|
return list.ToArray();
|
||
|
|
}
|
||
|
|
|
||
|
|
public static IList<T> SubList<T>(this IList<T> list, int start, int len)
|
||
|
|
{
|
||
|
|
List<T> sublist = new List<T>(len);
|
||
|
|
for (int i = start; i < (start + len); i++)
|
||
|
|
{
|
||
|
|
sublist.Add(list[i]);
|
||
|
|
}
|
||
|
|
return sublist;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static char[] ToCharArray(this string str)
|
||
|
|
{
|
||
|
|
char[] destination = new char[str.Length];
|
||
|
|
str.CopyTo(0, destination, 0, str.Length);
|
||
|
|
return destination;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static long ToMillisecondsSinceEpoch(this DateTime dateTime)
|
||
|
|
{
|
||
|
|
if (dateTime.Kind != DateTimeKind.Utc)
|
||
|
|
{
|
||
|
|
throw new ArgumentException("dateTime is expected to be expressed as a UTC DateTime", "dateTime");
|
||
|
|
}
|
||
|
|
return new DateTimeOffset(DateTime.SpecifyKind(dateTime, DateTimeKind.Utc), TimeSpan.Zero).ToMillisecondsSinceEpoch();
|
||
|
|
}
|
||
|
|
|
||
|
|
public static long ToMillisecondsSinceEpoch(this DateTimeOffset dateTimeOffset)
|
||
|
|
{
|
||
|
|
return (((dateTimeOffset.Ticks - dateTimeOffset.Offset.Ticks) - EpochTicks) / TimeSpan.TicksPerMillisecond);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static string ToOctalString(int val)
|
||
|
|
{
|
||
|
|
return Convert.ToString(val, 8);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static string ToHexString(int val)
|
||
|
|
{
|
||
|
|
return Convert.ToString(val, 16);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static string ToString(object val)
|
||
|
|
{
|
||
|
|
return val.ToString();
|
||
|
|
}
|
||
|
|
|
||
|
|
public static string ToString(int val, int bas)
|
||
|
|
{
|
||
|
|
return Convert.ToString(val, bas);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static IList<TU> UpcastTo<T, TU>(this IList<T> s) where T : TU
|
||
|
|
{
|
||
|
|
List<TU> list = new List<TU>(s.Count);
|
||
|
|
for (int i = 0; i < s.Count; i++)
|
||
|
|
{
|
||
|
|
list.Add(s[i]);
|
||
|
|
}
|
||
|
|
return list;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static ICollection<TU> UpcastTo<T, TU>(this ICollection<T> s) where T : TU
|
||
|
|
{
|
||
|
|
List<TU> list = new List<TU>(s.Count);
|
||
|
|
foreach (var v in s)
|
||
|
|
{
|
||
|
|
list.Add(v);
|
||
|
|
}
|
||
|
|
return list;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static T ValueOf<T>(T val)
|
||
|
|
{
|
||
|
|
return val;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//use? for NUnit-testing?
|
||
|
|
//public static string GetTestName(object obj)
|
||
|
|
//{
|
||
|
|
// return GetTestName();
|
||
|
|
//}
|
||
|
|
|
||
|
|
//public static string GetTestName()
|
||
|
|
//{
|
||
|
|
// MethodBase met;
|
||
|
|
// int n = 0;
|
||
|
|
// do
|
||
|
|
// {
|
||
|
|
// met = new StackFrame(n).GetMethod();
|
||
|
|
// if (met != null)
|
||
|
|
// {
|
||
|
|
// foreach (Attribute at in met.GetCustomAttributes(true))
|
||
|
|
// {
|
||
|
|
// if (at.GetType().FullName == "NUnit.Framework.TestAttribute")
|
||
|
|
// {
|
||
|
|
// // Convert back to camel case
|
||
|
|
// string name = met.Name;
|
||
|
|
// if (char.IsUpper(name[0]))
|
||
|
|
// name = char.ToLower(name[0]) + name.Substring(1);
|
||
|
|
// return name;
|
||
|
|
// }
|
||
|
|
// }
|
||
|
|
// }
|
||
|
|
// n++;
|
||
|
|
// } while (met != null);
|
||
|
|
// return "";
|
||
|
|
//}
|
||
|
|
|
||
|
|
public static string GetHostAddress(this IPAddress addr)
|
||
|
|
{
|
||
|
|
return addr.ToString();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
public static IPAddress GetAddressByName(string host)
|
||
|
|
{
|
||
|
|
if (host == "0.0.0.0")
|
||
|
|
{
|
||
|
|
return IPAddress.Any;
|
||
|
|
}
|
||
|
|
|
||
|
|
try
|
||
|
|
{
|
||
|
|
return IPAddress.Parse(host);
|
||
|
|
}
|
||
|
|
catch (Exception ex)
|
||
|
|
{
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public static IPAddress[] GetAddressesByName(string host)
|
||
|
|
{
|
||
|
|
//IReadOnlyList<EndpointPair> data = null;
|
||
|
|
|
||
|
|
//try
|
||
|
|
//{
|
||
|
|
// Task.Run(async () =>
|
||
|
|
// {
|
||
|
|
// data = await DatagramSocket.GetEndpointPairsAsync(new HostName(host), "0");
|
||
|
|
// }).Wait();
|
||
|
|
//}
|
||
|
|
//catch (Exception ex)
|
||
|
|
//{
|
||
|
|
// return null;
|
||
|
|
//}
|
||
|
|
|
||
|
|
//return data != null
|
||
|
|
// ? data.Where(i => i.RemoteHostName.Type == HostNameType.Ipv4)
|
||
|
|
// .GroupBy(i => i.RemoteHostName.DisplayName)
|
||
|
|
// .Select(i => IPAddress.Parse(i.First().RemoteHostName.DisplayName))
|
||
|
|
// .ToArray()
|
||
|
|
// : null;
|
||
|
|
|
||
|
|
//get v4-address only
|
||
|
|
var entry = Task.Run(() => System.Net.Dns.GetHostEntryAsync(host))
|
||
|
|
.GetAwaiter()
|
||
|
|
.GetResult();
|
||
|
|
return entry.AddressList
|
||
|
|
.Where(addr => addr.AddressFamily == AddressFamily.InterNetwork)
|
||
|
|
.ToArray();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
public static string GetImplementationVersion(this Assembly asm)
|
||
|
|
{
|
||
|
|
return asm.GetName().Version.ToString();
|
||
|
|
}
|
||
|
|
|
||
|
|
public static string GetHost(this Uri uri)
|
||
|
|
{
|
||
|
|
return string.IsNullOrEmpty(uri.Host) ? "" : uri.Host;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static string GetUserInfo(this Uri uri)
|
||
|
|
{
|
||
|
|
return string.IsNullOrEmpty(uri.UserInfo) ? null : uri.UserInfo;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static string GetQuery(this Uri uri)
|
||
|
|
{
|
||
|
|
return string.IsNullOrEmpty(uri.Query) ? null : uri.Query;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static int GetLocalPort(this Socket socket)
|
||
|
|
{
|
||
|
|
return ((IPEndPoint)socket.LocalEndPoint).Port;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static int GetPort(this Socket socket)
|
||
|
|
{
|
||
|
|
return ((IPEndPoint)socket.RemoteEndPoint).Port;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static IPAddress GetInetAddress(this Socket socket)
|
||
|
|
{
|
||
|
|
return ((IPEndPoint)socket.RemoteEndPoint).Address;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*public static bool RemoveElement(this ArrayList list, object elem)
|
||
|
|
{
|
||
|
|
int i = list.IndexOf(elem);
|
||
|
|
if (i == -1)
|
||
|
|
return false;
|
||
|
|
list.RemoveAt(i);
|
||
|
|
return true;
|
||
|
|
}*/
|
||
|
|
|
||
|
|
public static Semaphore CreateSemaphore(int count)
|
||
|
|
{
|
||
|
|
return new Semaphore(count, int.MaxValue);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|