SerializerCodeGenerationConfiguration.cs

#region -- License Terms --
//
// MessagePack for CLI
//
// Copyright (C) 2010-2013 FUJIWARA, Yusuke
//
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//
//        http://www.apache.org/licenses/LICENSE-2.0
//
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
//
#endregion -- License Terms --

using System;
using System.IO;

namespace MsgPack.Serialization
{
	/// <summary>
	/// Represents configuration for serializer code generation.
	/// </summary>
	public sealed class SerializerCodeGenerationConfiguration : ISerializerGeneratorConfiguration
	{
		private const string DefaultNamespace = "MsgPack.Serialization.GeneratedSerializers";
		private const string DefaultLanguage = "C#";
		private const string DefaultIndentString = "    ";

		private string _namespace;

		/// <summary>
		///		Gets or sets the namespace of generated classes.
		/// </summary>
		/// <value>
		///		The namespace of generated classes.
		///		The default is <c>"MsgPack.Serialization.GeneratedSerializers"</c>.
		/// </value>
		/// <exception cref="ArgumentException">Specified value is not valid for namespace.</exception>
		public string Namespace
		{
			get { return this._namespace; }
			set
			{
				if ( value == null )
				{
					this._namespace = DefaultNamespace;
				}
				else
				{
					Validation.ValidateNamespace( value, "value" );
					this._namespace = value;
				}
			}
		}

		private string _outputDirectory;

		/// <summary>
		///		Gets or sets the output directory for generated source codes.
		/// </summary>
		/// <value>
		///		The output directory for generated source codes.
		///		The default is current directory.
		/// </value>
		/// <exception cref="ArgumentNullException">The specified value is <c>null</c>.</exception>
		/// <exception cref="ArgumentException">The specified value is empty or too long.</exception>
		/// <exception cref="NotSupportedException">The specified path format is not supported.</exception>
		public string OutputDirectory
		{
			get { return this._outputDirectory; }
			set { this._outputDirectory = Path.GetFullPath( value ?? "." ); }
		}

		private string _language;

		/// <summary>
		///		Gets or sets the language identifier for code generation.
		/// </summary>
		/// <value>
		///		The language identifier for code generation.
		///		This value must be registered identifier in CodeDOM configuration.
		///		The default is <c>"C#"</c>.
		/// </value>
		/// <remarks>
		///		This value will be passed as-is for an underlying code dom provider.
		/// </remarks>
		/// <see cref="System.CodeDom.Compiler.CodeDomProvider.CreateProvider(String)"/>
		public string Language
		{
			get { return this._language; }
			set { this._language = value ?? DefaultLanguage; }
		}

		private string _indentString;

		/// <summary>
		///		Gets or sets the indentation string for code generation.
		/// </summary>
		/// <value>
		///		The indentation string for code generation.
		///		The default is <c>"    "</c>(4 U+0020 chars).
		/// </value>
		/// <remarks>
		///		This value will be passed as-is for an underlying code dom provider.
		/// </remarks>
		/// <see cref="System.CodeDom.Compiler.CodeGeneratorOptions"/>
		public string CodeIndentString
		{
			get { return this._indentString; }
			set { this._indentString = value ?? DefaultIndentString; }
		}

		private SerializationMethod _serializationMethod;

		/// <summary>
		/// Gets or sets the serialization method to pack object.
		/// </summary>
		/// <value>
		/// A value of <see cref="SerializationMethod" />.
		/// </value>
		/// <exception cref="ArgumentOutOfRangeException">Specified value is not valid  <see cref="SerializationMethod"/>.</exception>
		public SerializationMethod SerializationMethod
		{
			get { return this._serializationMethod; }
			set
			{
				switch ( value )
				{
					case SerializationMethod.Array:
					case SerializationMethod.Map:
					{
						this._serializationMethod = value;
						break;
					}
					default:
					{
						throw new ArgumentOutOfRangeException( "value" );
					}
				}
			}
		}

		/// <summary>
		///		Gets or sets a value indicating whether the generated serializers will be internal to MsgPack library itself.
		/// </summary>
		/// <value>
		/// <c>true</c> if the generated serializers are internal to MsgPack library itself; otherwise, <c>false</c>.
		/// </value>
		/// <remarks>
		///		When you use MsgPack in Unity3D, you can import the library in source code form to your assets.
		///		And, you may also import generated serializers together, then the generated serializers and MsgPack library will be same assembly ultimately.
		///		It causes compilation error because some of overriding members have accessbility <c>FamilyOrAssembly</c>(<c>protected internal</c> in C#),
		///		so the generated source code must have the accessibility when and only when they will be same assembly as MsgPack library itself.
		/// </remarks>
		public bool IsInternalToMsgPackLibrary { get; set; } // This is also convinience to Unittest -- which is intern with InternalsVisibleTo

		/// <summary>
		///		Initializes a new instance of the <see cref="SerializerCodeGenerationConfiguration"/> class.
		/// </summary>
		public SerializerCodeGenerationConfiguration()
		{
			// Set to defaults.
			this.OutputDirectory = null;
			this.Language = null;
			this.Namespace = null;
			this.CodeIndentString = null;
			this._serializationMethod = SerializationMethod.Array;
		}

		void ISerializerGeneratorConfiguration.Validate()
		{
			// nop
		}
	}
}