Add ToString overloads for some models for easier debugging

CliFx/Internal/Extensions.cs

@@ -2,6 +2,7 @@
 using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
+using System.Text;
 
 namespace CliFx.Internal
 {
@@ -13,6 +14,17 @@ namespace CliFx.Internal
 
         public static string JoinToString<T>(this IEnumerable<T> source, string separator) => string.Join(separator, source);
 
+        public static StringBuilder Trim(this StringBuilder builder)
+        {
+            while (builder.Length > 0 && char.IsWhiteSpace(builder[0]))
+                builder.Remove(0, 1);
+
+            while (builder.Length > 0 && char.IsWhiteSpace(builder[builder.Length - 1]))
+                builder.Remove(builder.Length - 1, 1);
+
+            return builder;
+        }
+
         public static TValue GetValueOrDefault<TKey, TValue>(this IReadOnlyDictionary<TKey, TValue> dic, TKey key) =>
             dic.TryGetValue(key, out var result) ? result : default;
 

CliFx/Models/CommandInput.cs

@@ -37,26 +37,15 @@ namespace CliFx.Models
             var buffer = new StringBuilder();
 
             if (!CommandName.IsNullOrWhiteSpace())
-            {
                 buffer.Append(CommandName);
-            }
 
-            if (Options.Any())
+            foreach (var option in Options)
             {
-                if (buffer.Length > 0)
-                    buffer.Append(' ');
-
-                buffer.Append('[');
-
-                foreach (var option in Options)
-                {
-                    buffer.Append(option.Alias);
-                }
-
-                buffer.Append(']');
+                buffer.Append(' ');
+                buffer.Append(option);
             }
 
-            return buffer.ToString();
+            return buffer.Trim().ToString();
         }
     }
 

CliFx/Models/CommandOptionInput.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Text;
 
 namespace CliFx.Models
 {
@@ -23,5 +24,30 @@ namespace CliFx.Models
             : this(alias, new string[0])
         {
         }
+
+        public override string ToString()
+        {
+            var buffer = new StringBuilder();
+
+            buffer.Append(Alias.Length > 1 ? "--" : "-");
+            buffer.Append(Alias);
+
+            foreach (var value in Values)
+            {
+                buffer.Append(' ');
+
+                var isEscaped = value.Contains(" ");
+
+                if (isEscaped)
+                    buffer.Append('"');
+
+                buffer.Append(value);
+
+                if (isEscaped)
+                    buffer.Append('"');
+            }
+
+            return buffer.ToString();
+        }
     }
 }

CliFx/Models/CommandOptionSchema.cs

@@ -1,4 +1,6 @@
 using System.Reflection;
+using System.Text;
+using CliFx.Internal;
 
 namespace CliFx.Models
 {
@@ -26,5 +28,24 @@ namespace CliFx.Models
             GroupName = groupName;
             Description = description;
         }
+
+        public override string ToString()
+        {
+            var buffer = new StringBuilder();
+
+            if (IsRequired)
+                buffer.Append('*');
+
+            if (!Name.IsNullOrWhiteSpace())
+                buffer.Append(Name);
+
+            if (!Name.IsNullOrWhiteSpace() && ShortName != null)
+                buffer.Append('|');
+
+            if (ShortName != null)
+                buffer.Append(ShortName);
+
+            return buffer.ToString();
+        }
     }
 }

CliFx/Models/CommandSchema.cs

@@ -1,5 +1,7 @@
 using System;
 using System.Collections.Generic;
+using System.Text;
+using CliFx.Internal;
 
 namespace CliFx.Models
 {
@@ -20,5 +22,23 @@ namespace CliFx.Models
             Description = description;
             Options = options;
         }
+
+        public override string ToString()
+        {
+            var buffer = new StringBuilder();
+
+            if (!Name.IsNullOrWhiteSpace())
+                buffer.Append(Name);
+
+            foreach (var option in Options)
+            {
+                buffer.Append(' ');
+                buffer.Append('[');
+                buffer.Append(option);
+                buffer.Append(']');
+            }
+
+            return buffer.Trim().ToString();
+        }
     }
 }