feat: bom checker

samples/MySQLToCsharpSampleConsoleApp/BinaryData.cs

@@ -1,4 +1,8 @@
-// Code generated by SqlToCsharp
+// ------------------------------------------------------------------------------
+// <auto-generated>
+// Code Generated by MySQLToCsharp
+// </auto-generated>
+// ------------------------------------------------------------------------------
 
 using System;
 using System.ComponentModel.DataAnnotations;

samples/MySQLToCsharpSampleConsoleApp/Character.cs

@@ -1,4 +1,8 @@
-// Code generated by SqlToCsharp
+// ------------------------------------------------------------------------------
+// <auto-generated>
+// Code Generated by MySQLToCsharp
+// </auto-generated>
+// ------------------------------------------------------------------------------
 
 using System;
 using System.ComponentModel.DataAnnotations;

samples/MySQLToCsharpSampleConsoleApp/CharacterSlot.cs

@@ -1,4 +1,8 @@
-// Code generated by SqlToCsharp
+// ------------------------------------------------------------------------------
+// <auto-generated>
+// Code Generated by MySQLToCsharp
+// </auto-generated>
+// ------------------------------------------------------------------------------
 
 using System;
 using System.ComponentModel.DataAnnotations;

samples/MySQLToCsharpSampleConsoleApp/Multi.cs

@@ -1,4 +1,8 @@
-// Code generated by SqlToCsharp
+// ------------------------------------------------------------------------------
+// <auto-generated>
+// Code Generated by MySQLToCsharp
+// </auto-generated>
+// ------------------------------------------------------------------------------
 
 using System;
 using System.ComponentModel.DataAnnotations;

samples/MySQLToCsharpSampleConsoleApp/Player.cs

@@ -1,4 +1,8 @@
-// Code generated by SqlToCsharp
+// ------------------------------------------------------------------------------
+// <auto-generated>
+// Code Generated by MySQLToCsharp
+// </auto-generated>
+// ------------------------------------------------------------------------------
 
 using System;
 using System.ComponentModel.DataAnnotations;

samples/MySQLToCsharpSampleConsoleApp/Room.cs

@@ -1,4 +1,8 @@
-// Code generated by SqlToCsharp
+// ------------------------------------------------------------------------------
+// <auto-generated>
+// Code Generated by MySQLToCsharp
+// </auto-generated>
+// ------------------------------------------------------------------------------
 
 using System;
 using System.ComponentModel.DataAnnotations;

samples/MySQLToCsharpSampleConsoleApp/String.cs

@@ -1,4 +1,8 @@
-// Code generated by SqlToCsharp
+// ------------------------------------------------------------------------------
+// <auto-generated>
+// Code Generated by MySQLToCsharp
+// </auto-generated>
+// ------------------------------------------------------------------------------
 
 using System;
 using System.ComponentModel.DataAnnotations;

samples/MySQLToCsharpSampleConsoleApp/Weapon.cs

@@ -1,4 +1,8 @@
-// Code generated by SqlToCsharp
+// ------------------------------------------------------------------------------
+// <auto-generated>
+// Code Generated by MySQLToCsharp
+// </auto-generated>
+// ------------------------------------------------------------------------------
 
 using System;
 using System.ComponentModel.DataAnnotations;

src/MySQLToCsharp.Parser/Parsers/Parser.cs

@@ -88,8 +88,8 @@ public static MySqlTableDefinition FromQuery(string query, ICreateTableListener
         /// <param name="path"></param>
         /// <param name="bom"></param>
         /// <returns></returns>
-        public static IEnumerable<MySqlTableDefinition> FromFolder(string path, bool bom = false)
-            => FromFolder(path, new CreateTableStatementDetectListener(), new UTF8Encoding(bom));
+        public static IEnumerable<MySqlTableDefinition> FromFolder(string path, Encoding encoding)
+            => FromFolder(path, new CreateTableStatementDetectListener(), encoding);
 
         /// <summary>
         /// load query from folder. specify sql file encoding.
@@ -112,8 +112,8 @@ public static IEnumerable<MySqlTableDefinition> FromFolder(string path, ICreateT
         /// <param name="path"></param>
         /// <param name="bom"></param>
         /// <returns></returns>
-        public static MySqlTableDefinition FromFile(string path, bool bom = false)
-            => FromFile(path, new CreateTableStatementDetectListener(), new UTF8Encoding(bom));
+        public static MySqlTableDefinition FromFile(string path, Encoding encoding)
+            => FromFile(path, new CreateTableStatementDetectListener(), encoding);
 
         /// <summary>
         /// load query from file. specify sql file encoding.

src/MySQLToCsharp/Generator.cs

@@ -34,18 +34,28 @@ public void Save(string className, string text, string outputFolderPath, bool dr
                 Directory.CreateDirectory(outputFolderPath);
             }
 
+            Span<byte> byteToWrite = encoding.GetBytes(text);
             if (File.Exists(outputFile))
             {
-                var current = File.ReadAllText(outputFile, encoding);
-                if (text == current)
+                Span<byte> current = File.ReadAllBytes(outputFile);
+                if (byteToWrite.SequenceEqual(current))
                 {
                     Console.WriteLine($"[-] skipped: {fileName} (no change)");
                     return;
                 }
-                else if (ignoreEol && Equals(text, current))
+                else
                 {
-                    Console.WriteLine($"[-] skipped: {fileName} (ignore eol changed)");
-                    return;
+                    // bom must be same before ignore eol
+                    if (current.Length >= 3 && byteToWrite[0] == current[0] && byteToWrite[1] == current[1] && byteToWrite[2] == current[2])
+                    {
+                        // check eol
+                        var readText = encoding.GetString(current);
+                        if (ignoreEol && Equals(text, readText))
+                        {
+                            Console.WriteLine($"[-] skipped: {fileName} (ignore eol changed)");
+                            return;
+                        }
+                    }
                 }
             }
             Console.WriteLine($"[o] generate: {fileName}");
@@ -113,7 +123,7 @@ public string Generate(string @namespace, string className, MySqlTableDefinition
             builder.AppendLineIndent4(@"}");
             builder.AppendLine("}");
 
-            return builder.ToString();
+            return NormalizeNewLines(builder.ToString());
         }
 
         /// <summary>
@@ -125,6 +135,18 @@ public static string GetClassName(string tableName)
             => tableName.Last() == 's'
                 ? tableName[0..^1] // Foos -> Foo
                 : tableName;
+
+        /// <summary>
+        /// Normalize NewLine (EndOfLine) with current Operating System.
+        /// </summary>
+        /// <param name="content"></param>
+        /// <returns></returns>
+        static string NormalizeNewLines(string content)
+        {
+            // The generated code may be text with mixed line ending types. (CR + CRLF)
+            // We need to normalize the line ending type in each Operating Systems. (e.g. Windows=CRLF, Linux/macOS=LF)
+            return content.Replace("\r\n", "\n").Replace("\n", Environment.NewLine);
+        }
     }
 
     internal static class StringBuilderExtensions

src/MySQLToCsharp/Program.cs

@@ -3,6 +3,7 @@
 using MySQLToCsharp.TypeConverters;
 using System;
 using System.Linq;
+using System.Text;
 
 namespace MySQLToCsharp
 {
@@ -58,7 +59,8 @@ public void File(
             PrintDryMessage(dry);
             Console.WriteLine($"file executed. Output Directory: {output}");
 
-            var table = Parser.FromFile(input, false);
+            var encoding = new UTF8Encoding(false);
+            var table = Parser.FromFile(input, encoding);
             var resolvedConverter = TypeConverterResolver.Resolve(converter);
             var generator = new Generator(resolvedConverter, addbom, ignoreeol);
 
@@ -82,10 +84,11 @@ public void Dir(
         {
             PrintDryMessage(dry);
             Console.WriteLine($"dir executed. Output Directory: {output}");
-
-            var tables = Parser.FromFolder(input, false).ToArray();
+            var encoding = new UTF8Encoding(false);
+            var tables = Parser.FromFolder(input, encoding).ToArray();
             var resolvedConverter = TypeConverterResolver.Resolve(converter);
             var generator = new Generator(resolvedConverter, addbom, ignoreeol);
+
             foreach (var table in tables)
             {
                 var className = Generator.GetClassName(table.Name);