StatementsCount.cs :  » Development » devAdvantage » AnticipatingMinds » Metrics » C# / CSharp Open Source

using System;
using AnticipatingMinds.CodeInsight;
using AnticipatingMinds.Genesis.CodeDOM;

namespace AnticipatingMinds.Metrics{
  public sealed class AccumulatedStatementsCount : CodeAggregateMetric
  {
    internal AccumulatedStatementsCount(CodeMetric aggregatedMetric):base(aggregatedMetric,MetricAggregationType.Sum)
    {
    }
    public override string Id
    {
      get
      {
        return "AccumulatedStatementsCount";
      }
    }

    public override string Name
    {
      get
      {
        return "Statements";
      }
    }

    public override string Description
    {
      get
      {
        return "Accumulated Statements Count.";
      }
    }

    public override string HelpUrl
    {
      get
      {
        return String.Empty;
      }
    }
  }

  /// <summary>
  /// Summary description for StatementsCount.
  /// </summary>
  public class StatementsCount : TypeMemberDeclarationMetric
  {
    private class MetricData
    {
      public decimal StatementsCount = 0;
    }

    public override string Id
    {
      get
      {
        return "StatementsCount";
      }
    }

    public override string Name
    {
      get
      {
        return "Statements";
      }
    }


    public override string Description
    {
      get
      {
        return "Number of statements in the type memebr";
      }
    }

    public override string HelpUrl
    {
      get
      {
        return string.Empty;
      }
    }

    public override CodeAggregateMetric[] GetAggregateMetrics()
    {
      return new CodeAggregateMetric[1] { new AccumulatedStatementsCount(this) };
    }

    public override decimal GetValue(CodeTypeMemberDeclaration typeMemberDeclaration)
    {
      MetricData metricData = new MetricData();
      CodeDomWalker.WalkCodeElement(typeMemberDeclaration,new CodeDomWalker.WalkerCallback(CalculateMetric),metricData);
      return metricData.StatementsCount;
    }


    private CodeDomWalker.WalkerCallbackReturn CalculateMetric(CodeElement codeElement, CodeDomWalker.CallBackNotificationType notificationType, CodeDomWalkerContext walkerContext,object applicationData)
    {
      switch(notificationType)
      {
        case CodeDomWalker.CallBackNotificationType.OnElement:
        {
          if(codeElement is CodeStatement)
            (applicationData as MetricData).StatementsCount++;
          break;
        }
      }    
      return CodeDomWalker.WalkerCallbackReturn.Next;
    }

  }
}