1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Microsoft.Xna.Framework.Graphics;
using StardewModdingAPI.Framework.Reflection;
using StardewValley;
namespace StardewModdingAPI.Framework
{
/// <summary>Provides extension methods for SMAPI's internal use.</summary>
internal static class InternalExtensions
{
/****
** IMonitor
****/
/// <summary>Safely raise an <see cref="EventHandler"/> event, and intercept any exceptions thrown by its handlers.</summary>
/// <param name="monitor">Encapsulates monitoring and logging.</param>
/// <param name="name">The event name for error messages.</param>
/// <param name="handlers">The event handlers.</param>
/// <param name="sender">The event sender.</param>
/// <param name="args">The event arguments (or <c>null</c> to pass <see cref="EventArgs.Empty"/>).</param>
public static void SafelyRaisePlainEvent(this IMonitor monitor, string name, IEnumerable<Delegate> handlers, object sender = null, EventArgs args = null)
{
if (handlers == null)
return;
foreach (EventHandler handler in handlers.Cast<EventHandler>())
{
// handle SMAPI exiting
if (monitor.IsExiting)
{
monitor.Log($"SMAPI shutting down: aborting {name} event.", LogLevel.Warn);
return;
}
// raise event
try
{
handler.Invoke(sender, args ?? EventArgs.Empty);
}
catch (Exception ex)
{
monitor.Log($"A mod failed handling the {name} event:\n{ex.GetLogSummary()}", LogLevel.Error);
}
}
}
/// <summary>Safely raise an <see cref="EventHandler{TEventArgs}"/> event, and intercept any exceptions thrown by its handlers.</summary>
/// <typeparam name="TEventArgs">The event argument object type.</typeparam>
/// <param name="monitor">Encapsulates monitoring and logging.</param>
/// <param name="name">The event name for error messages.</param>
/// <param name="handlers">The event handlers.</param>
/// <param name="sender">The event sender.</param>
/// <param name="args">The event arguments.</param>
public static void SafelyRaiseGenericEvent<TEventArgs>(this IMonitor monitor, string name, IEnumerable<Delegate> handlers, object sender, TEventArgs args)
{
if (handlers == null)
return;
foreach (EventHandler<TEventArgs> handler in handlers.Cast<EventHandler<TEventArgs>>())
{
try
{
handler.Invoke(sender, args);
}
catch (Exception ex)
{
monitor.Log($"A mod failed handling the {name} event:\n{ex.GetLogSummary()}", LogLevel.Error);
}
}
}
/// <summary>Log a message for the player or developer the first time it occurs.</summary>
/// <param name="monitor">The monitor through which to log the message.</param>
/// <param name="hash">The hash of logged messages.</param>
/// <param name="message">The message to log.</param>
/// <param name="level">The log severity level.</param>
public static void LogOnce(this IMonitor monitor, HashSet<string> hash, string message, LogLevel level = LogLevel.Trace)
{
if (!hash.Contains(message))
{
monitor.Log(message, level);
hash.Add(message);
}
}
/****
** Exceptions
****/
/// <summary>Get a string representation of an exception suitable for writing to the error log.</summary>
/// <param name="exception">The error to summarise.</param>
public static string GetLogSummary(this Exception exception)
{
switch (exception)
{
case TypeLoadException ex:
return $"Failed loading type '{ex.TypeName}': {exception}";
case ReflectionTypeLoadException ex:
string summary = exception.ToString();
foreach (Exception childEx in ex.LoaderExceptions)
summary += $"\n\n{childEx.GetLogSummary()}";
return summary;
default:
return exception.ToString();
}
}
/****
** Sprite batch
****/
/// <summary>Get whether the sprite batch is between a begin and end pair.</summary>
/// <param name="spriteBatch">The sprite batch to check.</param>
/// <param name="reflection">The reflection helper with which to access private fields.</param>
public static bool IsOpen(this SpriteBatch spriteBatch, Reflector reflection)
{
// get field name
const string fieldName =
#if SMAPI_FOR_WINDOWS
"inBeginEndPair";
#else
"_beginCalled";
#endif
// get result
return reflection.GetField<bool>(Game1.spriteBatch, fieldName).GetValue();
}
}
}
|
