// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

using System;

using ICSharpCode.Decompiler.TypeSystem;

namespace ICSharpCode.Decompiler.Output
{
	[Flags]
	public enum ConversionFlags
	{
		/// <summary>
		/// Convert only the name.
		/// </summary>
		None = 0,
		/// <summary>
		/// Show the parameter list
		/// </summary>
		ShowParameterList = 1,
		/// <summary>
		/// Show names for parameters
		/// </summary>
		ShowParameterNames = 2,
		/// <summary>
		/// Show the accessibility (private, public, etc.)
		/// </summary>
		ShowAccessibility = 4,
		/// <summary>
		/// Show the definition key word (class, struct, Sub, Function, etc.)
		/// </summary>
		ShowDefinitionKeyword = 8,
		/// <summary>
		/// Show the declaring type for the type or member
		/// </summary>
		ShowDeclaringType = 0x10,
		/// <summary>
		/// Show modifiers (virtual, override, etc.)
		/// </summary>
		ShowModifiers = 0x20,
		/// <summary>
		/// Show the return type
		/// </summary>
		ShowReturnType = 0x40,
		/// <summary>
		/// Use fully qualified names for types.
		/// </summary>
		UseFullyQualifiedTypeNames = 0x80,
		/// <summary>
		/// Show the list of type parameters on method and class declarations.
		/// Type arguments for parameter/return types are always shown.
		/// </summary>
		ShowTypeParameterList = 0x100,
		/// <summary>
		/// For fields, events and methods: adds a semicolon at the end.
		/// For properties: shows "{ get; }" or similar.
		/// </summary>
		ShowBody = 0x200,
		/// <summary>
		/// Use fully qualified names for members.
		/// </summary>
		UseFullyQualifiedEntityNames = 0x400,
		/// <summary>
		/// Instead of placing the return type before the entity name,
		/// append it after the parameter list, preceeded by a colon.
		/// </summary>
		PlaceReturnTypeAfterParameterList = 0x800,
		/// <summary>
		/// Show the variance modifier of the type parameter.
		/// If active, shows 'Func&lt;in T, out TResult&gt;' instead of 'Func&lt;T, TResult&gt;'.
		/// </summary>
		ShowTypeParameterVarianceModifier = 0x1000,
		/// <summary>
		/// Show modifiers of parameters, e.g. 'this', 'params', 'ref', 'out' and 'in'.
		/// </summary>
		ShowParameterModifiers = 0x2000,
		/// <summary>
		/// Show default values of parameters.
		/// </summary>
		ShowParameterDefaultValues = 0x4000,
		/// <summary>
		/// Use <c>T?</c> instead of <c>Nullable&lt;T&gt;</c>.
		/// </summary>
		UseNullableSpecifierForValueTypes = 0x8000,
		/// <summary>
		/// Support <c>init</c> accessors.
		/// </summary>
		SupportInitAccessors = 0x10000,
		/// <summary>
		/// Support <c>record</c> classes.
		/// </summary>
		SupportRecordClasses = 0x20000,

		StandardConversionFlags = ShowParameterNames |
			ShowAccessibility |
			ShowParameterList |
			ShowParameterModifiers |
			ShowParameterDefaultValues |
			UseNullableSpecifierForValueTypes |
			ShowReturnType |
			ShowModifiers |
			ShowTypeParameterList |
			ShowTypeParameterVarianceModifier |
			ShowDefinitionKeyword |
			ShowBody,

		All = 0x7ffff,
	}

	/// <summary>
	/// Ambiences are used to convert type system symbols to text (usually for displaying the symbol to the user; e.g. in editor tooltips).
	/// </summary>
	public interface IAmbience
	{
		ConversionFlags ConversionFlags { get; set; }

		string ConvertSymbol(ISymbol symbol);
		string ConvertType(IType type);
		string ConvertConstantValue(object constantValue);

		string WrapComment(string comment);
	}
}
