Treat names and strings the same in the SerialisedObjectFormatter

Fixes #41

Author: LogicAndTrick

Sledge.Formats.Tests/Valve/TestSerialisedObject.cs

@@ -211,4 +211,44 @@ public void TestNestedObjectsWithQuotedNames()
         Assert.AreEqual("Three", output[0].Children[0].Children[0].Name);
         Assert.AreEqual("Value", output[0].Children[0].Children[0].Get<string>("Key"));
     }
+
+    [TestMethod]
+    public void TestSpecialCharactersInKeyValues()
+    {
+        var input = """
+                    One
+                    {
+                    $key1 "$value1"
+                    $key2 $value2
+                    !key3 &value3
+                    !@#$%^&*()_+ value4
+                    A B
+                    "C" D
+                    E "F"
+                    "G" "H"
+                    $I { }
+                    "$J" { }
+                    }
+                    """;
+
+        using var stream = new MemoryStream(Encoding.UTF8.GetBytes(input));
+        var fmt = new SerialisedObjectFormatter();
+        var output = fmt.Deserialize(stream).ToList();
+        
+        Assert.AreEqual(1, output.Count);
+        Assert.AreEqual("One", output[0].Name);
+        Assert.AreEqual("$value1", output[0].Get<string>("$key1"));
+        Assert.AreEqual("$value2", output[0].Get<string>("$key2"));
+        Assert.AreEqual("&value3", output[0].Get<string>("!key3"));
+        Assert.AreEqual("value4", output[0].Get<string>("!@#$%^&*()_+"));
+        Assert.AreEqual("B", output[0].Get<string>("A"));
+        Assert.AreEqual("D", output[0].Get<string>("C"));
+        Assert.AreEqual("F", output[0].Get<string>("E"));
+        Assert.AreEqual("H", output[0].Get<string>("G"));
+        Assert.AreEqual(2, output[0].Children.Count);
+        Assert.AreEqual("$I", output[0].Children[0].Name);
+        Assert.AreEqual(0, output[0].Children[0].Children.Count);
+        Assert.AreEqual("$J", output[0].Children[1].Name);
+        Assert.AreEqual(0, output[0].Children[1].Children.Count);
+    }
 }

Sledge.Formats/Sledge.Formats.csproj

@@ -13,10 +13,10 @@
     <RepositoryUrl>https://github.com/LogicAndTrick/sledge-formats</RepositoryUrl>
     <RepositoryType>Git</RepositoryType>
     <PackageTags>half-life quake valve liblist vdf</PackageTags>
-    <PackageReleaseNotes>Additions to the IFileSystem interface</PackageReleaseNotes>
+    <PackageReleaseNotes>Fix parsing issues when serialised object keys/values are unquoted and contain special characters</PackageReleaseNotes>
     <PackageLicenseFile></PackageLicenseFile>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
-    <Version>1.3.0</Version>
+    <Version>1.3.1</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">

Sledge.Formats/Valve/SerialisedObjectFormatter.cs

@@ -4,6 +4,7 @@
 using System.Linq;
 using System.Text;
 using Sledge.Formats.Tokens;
+using Sledge.Formats.Tokens.Readers;
 
 namespace Sledge.Formats.Valve
 {
@@ -112,7 +113,23 @@ public static void Print(SerialisedObject obj, TextWriter tw, int tabs = 0)
             Tokens.Symbols.CloseBrace
         };
 
-        private static readonly Tokeniser Tokeniser = new Tokeniser(Symbols);
+        private static readonly Tokeniser Tokeniser;
+
+        static SerialisedObjectFormatter()
+        {
+            Tokeniser = new Tokeniser(
+                new SingleLineCommentTokenReader(),
+                new StringTokenReader(),
+                new UnsignedIntegerTokenReader(),
+                new SymbolTokenReader(Symbols),
+                new NameTokenReader(IsValidNameCharacter, IsValidNameCharacter)
+            );
+        }
+
+        private static bool IsValidNameCharacter(char c)
+        {
+            return c != '"' && c != '{' && c != '}' && !char.IsWhiteSpace(c) && !char.IsControl(c);
+        }
 
         /// <summary>
         /// Parse a structure from a stream
@@ -182,7 +199,7 @@ public static IEnumerable<SerialisedObject> Parse(TextReader reader)
 
                                 break;
                             }
-                            else if (t.Type == TokenType.String && it.Current.Type == TokenType.String)
+                            else if (it.Current.Type == TokenType.String || it.Current.Type == TokenType.Name)
                             {
                                 if (current == null) throw new TokenParsingException(t, "No structure to add key/values to");
 
@@ -192,10 +209,6 @@ public static IEnumerable<SerialisedObject> Parse(TextReader reader)
 
                                 break;
                             }
-                            else if (t.Type == TokenType.Name)
-                            {
-                                throw new TokenParsingException(t, "Expected structure open brace");
-                            }
                             else
                             {
                                 throw new TokenParsingException(t, "Expected string value or open brace to follow string key");