154 lines
3.8 KiB
C#
Executable File
154 lines
3.8 KiB
C#
Executable File
#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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namespace OpenRA
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{
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public static class Exts
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{
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public static string F(this string fmt, params object[] args)
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{
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return string.Format(fmt, args);
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}
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public static void Do<T>(this IEnumerable<T> e, Action<T> fn)
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{
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foreach (var ee in e)
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fn(ee);
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}
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public static IEnumerable<string> GetNamespaces(this Assembly a)
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{
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return a.GetTypes().Select(t => t.Namespace).Distinct().Where(n => n != null);
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}
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public static string ReadAllText(this Stream s)
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{
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using (s)
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using (var sr = new StreamReader(s))
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return sr.ReadToEnd();
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}
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public static byte[] ReadAllBytes(this Stream s)
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{
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using (s)
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{
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var data = new byte[s.Length - s.Position];
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s.Read(data, 0, data.Length);
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return data;
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}
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}
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public static void Write(this Stream s, byte[] data)
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{
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s.Write(data, 0, data.Length);
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}
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public static IEnumerable<string> ReadAllLines(this Stream s)
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{
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using (var sr = new StreamReader(s))
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for (; ; )
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{
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var line = sr.ReadLine();
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if (line == null)
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yield break;
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else
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yield return line;
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}
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}
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public static bool HasAttribute<T>(this MemberInfo mi)
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{
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return mi.GetCustomAttributes(typeof(T), true).Length != 0;
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}
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public static T[] GetCustomAttributes<T>(this MemberInfo mi, bool inherit)
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where T : class
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{
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return (T[])mi.GetCustomAttributes(typeof(T), inherit);
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}
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public static T[] GetCustomAttributes<T>(this ParameterInfo mi)
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where T : class
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{
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return (T[])mi.GetCustomAttributes(typeof(T), true);
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}
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public static T Clamp<T>(this T val, T min, T max) where T : IComparable<T>
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{
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if (val.CompareTo(min) < 0)
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return min;
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else if (val.CompareTo(max) > 0)
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return max;
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else
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return val;
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}
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public static bool Contains(this Rectangle r, int2 p)
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{
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return r.Contains(p.ToPoint());
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}
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public static bool Contains(this RectangleF r, int2 p)
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{
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return r.Contains(p.ToPointF());
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}
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public static bool HasModifier(this Modifiers k, Modifiers mod)
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{
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return (k & mod) == mod;
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}
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public static bool IsValidInput(this KeyInput key)
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{
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return char.IsLetter(key.UnicodeChar) || char.IsDigit(key.UnicodeChar) ||
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char.IsSymbol(key.UnicodeChar) || char.IsSeparator(key.UnicodeChar) ||
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char.IsPunctuation(key.UnicodeChar);
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}
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public static V GetOrAdd<K, V>(this Dictionary<K, V> d, K k)
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where V : new()
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{
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return d.GetOrAdd(k, _ => new V());
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}
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public static V GetOrAdd<K, V>(this Dictionary<K, V> d, K k, Func<K, V> createFn)
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{
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V ret;
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if (!d.TryGetValue(k, out ret))
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d.Add(k, ret = createFn(k));
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return ret;
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}
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public static T Random<T>(this IEnumerable<T> ts, Thirdparty.Random r)
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{
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var xs = ts.ToArray();
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return xs[r.Next(xs.Length)];
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}
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public static float Product(this IEnumerable<float> xs)
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{
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return xs.Aggregate(1f, (a, x) => a * x);
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}
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public static IEnumerable<T> SymmetricDifference<T>(this IEnumerable<T> xs, IEnumerable<T> ys)
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{
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// this is probably a shockingly-slow way to do this, but it's concise.
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return xs.Except(ys).Concat(ys.Except(xs));
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}
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}
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}
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