Merge pull request #31 from Cysharp/hadashiA/normalize

Add `UnitGenerateOptions.Normalize`

Author: hadashiA

README.md

@@ -115,18 +115,19 @@ enum UnitGenerateOptions
 {
     None = 0,
     ImplicitOperator = 1,
-    ParseMethod = 2,
-    MinMaxMethod = 4,
-    ArithmeticOperator = 8,
-    ValueArithmeticOperator = 16,
-    Comparable = 32,
-    Validate = 64,
-    JsonConverter = 128,
-    MessagePackFormatter = 256,
-    DapperTypeHandler = 512,
-    EntityFrameworkValueConverter = 1024,
-    WithoutComparisonOperator = 2048,
-    JsonConverterDictionaryKeySupport = 4096
+    ParseMethod = 1 << 1,
+    MinMaxMethod = 1 << 2,
+    ArithmeticOperator = 1 << 3,
+    ValueArithmeticOperator = 1 << 4,
+    Comparable = 1 << 5,
+    Validate = 1 << 6,
+    JsonConverter = 1 << 7,
+    MessagePackFormatter = 1 << 8,
+    DapperTypeHandler = 1 << 9,
+    EntityFrameworkValueConverter = 1 << 10,
+    WithoutComparisonOperator = 1 << 11,
+    JsonConverterDictionaryKeySupport = 1 << 12,
+    Normalize = 1 << 13,
 }
 ```
 
@@ -172,6 +173,7 @@ public readonly partial struct UserId
   - [Comparable](#comparable)
   - [WithoutComparisonOperator](#withoutcomparisonoperator)
   - [Validate](#validate)
+  - [Normalize](#normalize)
   - [JsonConverter](#jsonconverter)
   - [JsonConverterDictionaryKeySupport](#jsonconverterdictionarykeysupport)
   - [MessagePackFormatter](#messagepackformatter)
@@ -382,6 +384,32 @@ public T(int value)
 private partial void Validate();
 ```
 
+### Normalize
+
+Implements `partial void Normalize(ref T value)` method that is called on constructor.
+
+```csharp
+// You can implement this custom normalize method to change value during initialization
+[UnitOf(typeof(int), UnitGenerateOptions.Normalize)]
+public readonly partial struct SampleValidate
+{
+    // impl here.
+    private partial void Normalize(ref int value)
+    {
+        value = Math.Max(value, 9999);
+    }
+}
+
+// Source generator generate this codes.
+public T(int value)
+{
+    this.value = value;
+    this.Normalize(ref this.value);
+}
+ 
+private partial void Normalize(ref int value);
+```
+
 ### JsonConverter
 
 Implements `System.Text.Json`'s `JsonConverter`. It will be used `JsonSerializer` automatically.

sandbox/ConsoleApp/AllPrimitives.cs

@@ -9,9 +9,14 @@
 
 namespace ConsoleApp
 {
-    [UnitOf(typeof(int), UnitGenerateOptions.ParseMethod | UnitGenerateOptions.MinMaxMethod | UnitGenerateOptions.ArithmeticOperator | UnitGenerateOptions.ValueArithmeticOperator | UnitGenerateOptions.Comparable | UnitGenerateOptions.Validate | UnitGenerateOptions.JsonConverter | UnitGenerateOptions.MessagePackFormatter | UnitGenerateOptions.DapperTypeHandler | UnitGenerateOptions.EntityFrameworkValueConverter | UnitGenerateOptions.JsonConverterDictionaryKeySupport)]
+    [UnitOf(typeof(int), UnitGenerateOptions.Normalize | UnitGenerateOptions.ParseMethod | UnitGenerateOptions.MinMaxMethod | UnitGenerateOptions.ArithmeticOperator | UnitGenerateOptions.ValueArithmeticOperator | UnitGenerateOptions.Comparable | UnitGenerateOptions.Validate | UnitGenerateOptions.JsonConverter | UnitGenerateOptions.MessagePackFormatter | UnitGenerateOptions.DapperTypeHandler | UnitGenerateOptions.EntityFrameworkValueConverter | UnitGenerateOptions.JsonConverterDictionaryKeySupport)]
     public readonly partial struct A
     {
+        private partial void Normalize(ref int value)
+        {
+            value = Math.Clamp(value, 0, 100);
+        }
+        
         private partial void Validate()
         {
             _ = AsPrimitive();

sandbox/Generated/UnitGenerator/UnitGenerator.SourceGenerator/FileGenerate.A.Generated.cs

@@ -45,7 +45,7 @@ public override bool Equals(object obj)
                 return value.Equals((int)obj);
             }
 
-           return value.Equals(obj);
+            return value.Equals(obj);
         }
 
         public override int GetHashCode()

sandbox/Generated/UnitGenerator/UnitGenerator.SourceGenerator/UnitOfAttribute.cs

@@ -27,17 +27,18 @@ internal enum UnitGenerateOptions
     {
         None = 0,
         ImplicitOperator = 1,
-        ParseMethod = 2,
-        MinMaxMethod = 4,
-        ArithmeticOperator = 8,
-        ValueArithmeticOperator = 16,
-        Comparable = 32,
-        Validate = 64,
-        JsonConverter = 128,
-        MessagePackFormatter = 256,
-        DapperTypeHandler = 512,
-        EntityFrameworkValueConverter = 1024,
-        WithoutComparisonOperator = 2048,
-        JsonConverterDictionaryKeySupport = 4096
+        ParseMethod = 1 << 1,
+        MinMaxMethod = 1 << 2,
+        ArithmeticOperator = 1 << 3,
+        ValueArithmeticOperator = 1 << 4,
+        Comparable = 1 << 5,
+        Validate = 1 << 6,
+        JsonConverter = 1 << 7,
+        MessagePackFormatter = 1 << 8,
+        DapperTypeHandler = 1 << 9,
+        EntityFrameworkValueConverter = 1 << 10,
+        WithoutComparisonOperator = 1 << 11,
+        JsonConverterDictionaryKeySupport = 1 << 12,
+        Normalize = 1 << 13,
     }
 }

src/UnitGenerator/SourceGenerator.cs

@@ -134,18 +134,19 @@ internal enum UnitGenerateOptions
     {
         None = 0,
         ImplicitOperator = 1,
-        ParseMethod = 2,
-        MinMaxMethod = 4,
-        ArithmeticOperator = 8,
-        ValueArithmeticOperator = 16,
-        Comparable = 32,
-        Validate = 64,
-        JsonConverter = 128,
-        MessagePackFormatter = 256,
-        DapperTypeHandler = 512,
-        EntityFrameworkValueConverter = 1024,
-        WithoutComparisonOperator = 2048,
-        JsonConverterDictionaryKeySupport = 4096
+        ParseMethod = 1 << 1,
+        MinMaxMethod = 1 << 2,
+        ArithmeticOperator = 1 << 3,
+        ValueArithmeticOperator = 1 << 4,
+        Comparable = 1 << 5,
+        Validate = 1 << 6,
+        JsonConverter = 1 << 7,
+        MessagePackFormatter = 1 << 8,
+        DapperTypeHandler = 1 << 9,
+        EntityFrameworkValueConverter = 1 << 10,
+        WithoutComparisonOperator = 1 << 11,
+        JsonConverterDictionaryKeySupport = 1 << 12,
+        Normalize = 1 << 13,
     }
 }
 """;
@@ -218,6 +219,12 @@ namespace {{ns}}
         {
             this.value = value;
 """);
+            if (prop.HasFlag(UnitGenerateOptions.Normalize))
+            {
+                sb.AppendLine("""
+            this.Normalize(ref this.value);
+""");
+            }
             if (prop.HasFlag(UnitGenerateOptions.Validate))
             {
                 sb.AppendLine("""
@@ -228,7 +235,14 @@ namespace {{ns}}
         }
         
 """);
-
+            if (prop.HasFlag(UnitGenerateOptions.Normalize))
+            {
+                sb.AppendLine($$"""
+        private partial void Normalize(ref {{innerTypeName}} value);
+        
+""");
+                
+            }
             if (prop.HasFlag(UnitGenerateOptions.Validate))
             {
                 sb.AppendLine($$"""

src/UnitGenerator/UnitGenerateOptions.cs

@@ -8,17 +8,18 @@ internal enum UnitGenerateOptions
     {
         None = 0,
         ImplicitOperator = 1,
-        ParseMethod = 2,
-        MinMaxMethod = 4,
-        ArithmeticOperator = 8,
-        ValueArithmeticOperator = 16,
-        Comparable = 32,
-        Validate = 64,
-        JsonConverter = 128,
-        MessagePackFormatter = 256,
-        DapperTypeHandler = 512,
-        EntityFrameworkValueConverter = 1024,
-        WithoutComparisonOperator = 2048,
-        JsonConverterDictionaryKeySupport = 4096
+        ParseMethod = 1 << 1,
+        MinMaxMethod = 1 << 2,
+        ArithmeticOperator = 1 << 3,
+        ValueArithmeticOperator = 1 << 4,
+        Comparable = 1 << 5,
+        Validate = 1 << 6,
+        JsonConverter = 1 << 7,
+        MessagePackFormatter = 1 << 8,
+        DapperTypeHandler = 1 << 9,
+        EntityFrameworkValueConverter = 1 << 10,
+        WithoutComparisonOperator = 1 << 11,
+        JsonConverterDictionaryKeySupport = 1 << 12,
+        Normalize = 1 << 13,
     }
-}
+}