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using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Input;
using StardewModdingAPI.Framework;
namespace StardewModdingAPI
{
/// <summary>Provides general utility extensions.</summary>
public static class Extensions
{
/*********
** Properties
*********/
/// <summary>The backing field for <see cref="Random"/>.</summary>
private static readonly Random _random = new Random();
/*********
** Accessors
*********/
/// <summary>A pseudo-random number generator.</summary>
public static Random Random
{
get
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.Random)}", "1.0", DeprecationLevel.Info);
return Extensions._random;
}
}
/*********
** Public methods
*********/
/// <summary>Get whether the given key is currently being pressed.</summary>
/// <param name="key">The key to check.</param>
public static bool IsKeyDown(this Keys key)
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.IsKeyDown)}", "1.0", DeprecationLevel.Info);
return Keyboard.GetState().IsKeyDown(key);
}
/// <summary>Get a random color.</summary>
public static Color RandomColour()
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.RandomColour)}", "1.0", DeprecationLevel.Info);
return new Color(Extensions.Random.Next(0, 255), Extensions.Random.Next(0, 255), Extensions.Random.Next(0, 255));
}
/// <summary>Concatenate an enumeration into a delimiter-separated string.</summary>
/// <param name="ienum">The values to concatenate.</param>
/// <param name="split">The value separator.</param>
[Obsolete("The usage of ToSingular has changed. Please update your call to use ToSingular<T>")]
public static string ToSingular(this IEnumerable ienum, string split = ", ")
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.ToSingular)}", "1.0", DeprecationLevel.Info);
Log.Error("The usage of ToSingular has changed. Please update your call to use ToSingular<T>");
return "";
}
/// <summary>Concatenate an enumeration into a delimiter-separated string.</summary>
/// <typeparam name="T">The enumerated value type.</typeparam>
/// <param name="ienum">The values to concatenate.</param>
/// <param name="split">The value separator.</param>
public static string ToSingular<T>(this IEnumerable<T> ienum, string split = ", ")
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.ToSingular)}", "1.0", DeprecationLevel.Info);
//Apparently Keys[] won't split normally :l
if (typeof(T) == typeof(Keys))
{
return string.Join(split, ienum.ToArray());
}
return string.Join(split, ienum);
}
/// <summary>Get whether the value can be parsed as a number.</summary>
/// <param name="o">The value.</param>
public static bool IsInt32(this object o)
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.IsInt32)}", "1.0", DeprecationLevel.Info);
int i;
return int.TryParse(o.ToString(), out i);
}
/// <summary>Get the numeric representation of a value.</summary>
/// <param name="o">The value.</param>
public static int AsInt32(this object o)
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.AsInt32)}", "1.0", DeprecationLevel.Info);
return int.Parse(o.ToString());
}
/// <summary>Get whether the value can be parsed as a boolean.</summary>
/// <param name="o">The value.</param>
public static bool IsBool(this object o)
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.IsBool)}", "1.0", DeprecationLevel.Info);
bool b;
return bool.TryParse(o.ToString(), out b);
}
/// <summary>Get the boolean representation of a value.</summary>
/// <param name="o">The value.</param>
public static bool AsBool(this object o)
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.AsBool)}", "1.0", DeprecationLevel.Info);
return bool.Parse(o.ToString());
}
/// <summary>Get a list hash calculated from the hashes of the values it contains.</summary>
/// <param name="enumerable">The values to hash.</param>
public static int GetHash(this IEnumerable enumerable)
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.GetHash)}", "1.0", DeprecationLevel.Info);
var hash = 0;
foreach (var v in enumerable)
hash ^= v.GetHashCode();
return hash;
}
/// <summary>Cast a value to the given type. This returns <c>null</c> if the value can't be cast.</summary>
/// <typeparam name="T">The type to which to cast.</typeparam>
/// <param name="o">The value.</param>
public static T Cast<T>(this object o) where T : class
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.Cast)}", "1.0", DeprecationLevel.Info);
return o as T;
}
/// <summary>Get all private types on an object.</summary>
/// <param name="o">The object to scan.</param>
public static FieldInfo[] GetPrivateFields(this object o)
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.GetPrivateFields)}", "1.0", DeprecationLevel.Info);
return o.GetType().GetFields(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Static);
}
/// <summary>Get metadata for a private field.</summary>
/// <param name="t">The type to scan.</param>
/// <param name="name">The name of the field to find.</param>
public static FieldInfo GetBaseFieldInfo(this Type t, string name)
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.GetBaseFieldValue)}", "1.0", DeprecationLevel.Info);
return t.GetField(name, BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Static);
}
/// <summary>Get the value of a private field.</summary>
/// <param name="t">The type to scan.</param>
/// <param name="o">The instance for which to get a value.</param>
/// <param name="name">The name of the field to find.</param>
public static T GetBaseFieldValue<T>(this Type t, object o, string name) where T : class
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.GetBaseFieldValue)}", "1.0", DeprecationLevel.Info);
return t.GetBaseFieldInfo(name).GetValue(o) as T;
}
/// <summary>Set the value of a private field.</summary>
/// <param name="t">The type to scan.</param>
/// <param name="o">The instance for which to set a value.</param>
/// <param name="name">The name of the field to find.</param>
/// <param name="newValue">The value to set.</param>
public static void SetBaseFieldValue<T>(this Type t, object o, string name, object newValue) where T : class
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.SetBaseFieldValue)}", "1.0", DeprecationLevel.Info);
t.GetBaseFieldInfo(name).SetValue(o, newValue as T);
}
/// <summary>Get a copy of the string with only alphanumeric characters. (Numbers are not removed, despite the name.)</summary>
/// <param name="st">The string to copy.</param>
public static string RemoveNumerics(this string st)
{
Program.DeprecationManager.Warn($"{nameof(Extensions)}.{nameof(Extensions.RemoveNumerics)}", "1.0", DeprecationLevel.Info);
var s = st;
foreach (var c in s)
{
if (!char.IsLetterOrDigit(c))
s = s.Replace(c.ToString(), "");
}
return s;
}
}
}
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