Merge branch 'develop' into stable

1 files changed, 86 insertions, 0 deletions

diff --git a/src/SMAPI/Framework/Logging/ConsoleInterceptionManager.cs b/src/SMAPI/Framework/Logging/ConsoleInterceptionManager.cs
new file mode 100644
index 00000000..b8f2c34e
--- /dev/null
+++ b/src/SMAPI/Framework/Logging/ConsoleInterceptionManager.cs
@@ -0,0 +1,86 @@
+using System;
+
+namespace StardewModdingAPI.Framework.Logging
+{
+    /// <summary>Manages console output interception.</summary>
+    internal class ConsoleInterceptionManager : IDisposable
+    {
+        /*********
+        ** Properties
+        *********/
+        /// <summary>The intercepting console writer.</summary>
+        private readonly InterceptingTextWriter Output;
+
+
+        /*********
+        ** Accessors
+        *********/
+        /// <summary>Whether the current console supports color formatting.</summary>
+        public bool SupportsColor { get; }
+
+        /// <summary>The event raised when a message is written to the console directly.</summary>
+        public event Action<string> OnMessageIntercepted;
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Construct an instance.</summary>
+        public ConsoleInterceptionManager()
+        {
+            // redirect output through interceptor
+            this.Output = new InterceptingTextWriter(Console.Out);
+            this.Output.OnMessageIntercepted += line => this.OnMessageIntercepted?.Invoke(line);
+            Console.SetOut(this.Output);
+
+            // test color support
+            this.SupportsColor = this.TestColorSupport();
+        }
+
+        /// <summary>Get an exclusive lock and write to the console output without interception.</summary>
+        /// <param name="action">The action to perform within the exclusive write block.</param>
+        public void ExclusiveWriteWithoutInterception(Action action)
+        {
+            lock (Console.Out)
+            {
+                try
+                {
+                    this.Output.ShouldIntercept = false;
+                    action();
+                }
+                finally
+                {
+                    this.Output.ShouldIntercept = true;
+                }
+            }
+        }
+
+        /// <summary>Release all resources.</summary>
+        public void Dispose()
+        {
+            Console.SetOut(this.Output.Out);
+            this.Output.Dispose();
+        }
+
+
+        /*********
+        ** private methods
+        *********/
+        /// <summary>Test whether the current console supports color formatting.</summary>
+        private bool TestColorSupport()
+        {
+            try
+            {
+                this.ExclusiveWriteWithoutInterception(() =>
+                {
+                    Console.ForegroundColor = Console.ForegroundColor;
+                });
+                return true;
+            }
+            catch (Exception)
+            {
+                return false; // Mono bug
+            }
+        }
+    }
+}