Rename AI Agent packages to use Microsoft.Agents.AI (#913)

* Rename AI Agent packages to use Microsoft.Agents.AI * Fix for build * Fix formatting * Fix formatting * Ignore in VSTHRD200 in migration samples * Ignore in VSTHRD200 in migration samples * Add some missing projects and run format * Fix build errors * Address code review feedback * Fix merge issues --------- Co-authored-by: Mark Wallace <markwallace@microsoft.com>
2026-06-16 21:04:09 +08:00 · 2025-09-25 19:31:25 +00:00
parent a480ccfd16
commit 32e054f1fe
332 changed files with 520 additions and 432 deletions
@@ -0,0 +1,117 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+#if NET
+using System;
+#endif
+using System.Collections.Generic;
+using System.Linq;
+#if NET
+using System.Runtime.CompilerServices;
+#else
+using System.Text;
+#endif
+
+namespace Microsoft.Extensions.AI;
+
+/// <summary>Internal extensions for working with <see cref="AIContent"/>.</summary>
+internal static class AIContentExtensions
+{
+    /// <summary>Concatenates the text of all <see cref="TextContent"/> instances in the list.</summary>
+    public static string ConcatText(this IEnumerable<AIContent> contents)
+    {
+        if (contents is IList<AIContent> list)
+        {
+            int count = list.Count;
+            switch (count)
+            {
+                case 0:
+                    return string.Empty;
+
+                case 1:
+                    return (list[0] as TextContent)?.Text ?? string.Empty;
+
+                default:
+#if NET
+                    DefaultInterpolatedStringHandler builder = new(count, 0, null, stackalloc char[512]);
+                    for (int i = 0; i < count; i++)
+                    {
+                        if (list[i] is TextContent text)
+                        {
+                            builder.AppendLiteral(text.Text);
+                        }
+                    }
+
+                    return builder.ToStringAndClear();
+#else
+                    StringBuilder builder = new();
+                    for (int i = 0; i < count; i++)
+                    {
+                        if (list[i] is TextContent text)
+                        {
+                            builder.Append(text.Text);
+                        }
+                    }
+
+                    return builder.ToString();
+#endif
+            }
+        }
+
+        return string.Concat(contents.OfType<TextContent>());
+    }
+
+    /// <summary>Concatenates the <see cref="ChatMessage.Text"/> of all <see cref="ChatMessage"/> instances in the list.</summary>
+    /// <remarks>A newline separator is added between each non-empty piece of text.</remarks>
+    public static string ConcatText(this IList<ChatMessage> messages)
+    {
+        int count = messages.Count;
+        switch (count)
+        {
+            case 0:
+                return string.Empty;
+
+            case 1:
+                return messages[0].Text;
+
+            default:
+#if NET
+                DefaultInterpolatedStringHandler builder = new(count, 0, null, stackalloc char[512]);
+                bool needsSeparator = false;
+                for (int i = 0; i < count; i++)
+                {
+                    string text = messages[i].Text;
+                    if (text.Length > 0)
+                    {
+                        if (needsSeparator)
+                        {
+                            builder.AppendLiteral(Environment.NewLine);
+                        }
+
+                        builder.AppendLiteral(text);
+
+                        needsSeparator = true;
+                    }
+                }
+
+                return builder.ToStringAndClear();
+#else
+                StringBuilder builder = new();
+                for (int i = 0; i < count; i++)
+                {
+                    string text = messages[i].Text;
+                    if (text.Length > 0)
+                    {
+                        if (builder.Length > 0)
+                        {
+                            builder.AppendLine();
+                        }
+
+                        builder.Append(text);
+                    }
+                }
+
+                return builder.ToString();
+#endif
+        }
+    }
+}