CodeParameterInfo.cs :  » Development » devAdvantage » AnticipatingMinds » Genesis » CodeDOM » C# / CSharp Open Source

using System;
using System.Reflection;
using URAnticipatingMinds.PlatformServices.UnmanagedReflection;

namespace AnticipatingMinds.Genesis.CodeDOM{
  /// <summary>
  /// Represents information about method or indexer parameter.
  /// </summary>
  [Serializable]
  public abstract class CodeParameterInfo
  {
    #region Public instance properties
    /// <summary>
    /// Gets parameter name.
    /// </summary>
    public abstract string Name
    {
      get;
    }
    /// <summary>
    /// Gets parameter modifiers.
    /// </summary>
    public abstract CodeMethodParameter.CodeMethodParameterModifier Modifiers
    {
      get;
    }
    /// <summary>
    /// Gets parameter type name.
    /// </summary>
    public abstract string TypeName
    {
      get;
    }
    /// <summary>
    /// Returns true if open ended parameter.
    /// </summary>
    public abstract bool IsParameterArray
    {
      get;
    }
    #endregion Public instance properties
  }

  [Serializable]
  internal class CodeMetadataParameterInfo : CodeParameterInfo
  {
    #region Instance constructors
    internal CodeMetadataParameterInfo(UR.ParameterInfo  parameterInfo)
    {
      name = parameterInfo.Name;
      isParameterArray = parameterInfo.IsOptional;
      typeName = parameterInfo.TypeName;

      if(typeName.EndsWith("&"))
      {
        modifiers |= CodeMethodParameter.CodeMethodParameterModifier.Ref;
      }

      if(((int)parameterInfo.CorAttributes & (int)UR.CorParamAttr.pdOut) != 0)
      {
        modifiers |= CodeMethodParameter.CodeMethodParameterModifier.Out;
      }
    }
    #endregion Instance constructors
    #region Public instance properties
    public override string Name
    {
      get
      {
        return name;
      }
    }
    public override bool IsParameterArray
    {
      get
      {
        return isParameterArray;
      }
    }
    public override CodeMethodParameter.CodeMethodParameterModifier Modifiers
    {
      get
      {
        return modifiers;
      }
    }
    public override string TypeName
    {
      get
      {
        return typeName;
      }
    }
    #endregion Public instance properties
    #region Private instance fields
    private CodeMethodParameter.CodeMethodParameterModifier modifiers;
    private string typeName;
    private bool isParameterArray;
    private string name;
    #endregion Private instance fields
  }

  [Serializable]
  internal class CodeModelParameterInfo : CodeParameterInfo
  {
    #region Instance constructors
    internal CodeModelParameterInfo(CodeMethodParameter codeParameter)
    {
      this.codeParameter = codeParameter;
    }
    #endregion Instance constructors
    #region Public instance properties
    public override string Name
    {
      get
      {
        return codeParameter.Name;
      }
    }
    public override bool IsParameterArray
    {
      get
      {
        return codeParameter.IsParameterArray;
      }
    }
    public override CodeMethodParameter.CodeMethodParameterModifier Modifiers
    {
      get
      {
        return codeParameter.Modifier;
      }
    }
    public override string TypeName
    {
      get
      {
        if(codeParameter.Type.TypeInfo != null)
          return codeParameter.Type.TypeInfo.FullName;
        else
          return codeParameter.Type.TypeName;
      }
    }
    #endregion Public instance properties
    #region Private instance fields
    private CodeMethodParameter codeParameter;
    #endregion Private instance fields
  }
}