//#define HAVE_GRN_REFERENCE // when defined enabled GRN_REFERNCE in Header, else it is disabled
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using gr2lib.core.interfaces;
using System.Diagnostics;
using gr2lib.core.helpers;

namespace gr2lib.core.coreclasses.header
{
#if HAVE_GRN_REFERENCE
    public class granny_reference : igranny_reference
    {

        public granny_reference()
        {
            this.SectionIndex = 0;
            this.Offset = 0;
        }
        internal static granny_reference ReadFromMemory(IntPtr pointer)
        {
            try
            {
                if (pointer == IntPtr.Zero) return null;
                gr2lib.core.coretypes.native.granny_grn_reference native = Helpers.ReadFromMemory<gr2lib.core.coretypes.native.granny_grn_reference>(pointer);
                granny_reference managed = ReadFromNative(native);
                managed.NativePointer = pointer;
                return managed;
            }
          catch
            {
                StackTrace st = new StackTrace(true);
#if  ENABLE_EXCEPTION_OUTPUT_TO_CONSOLE
                Console.WriteLine(st.ToString());
#endif
                return default(granny_reference);
            }
        }
        internal static granny_reference ReadFromNative(gr2lib.core.coretypes.native.granny_grn_reference native)
        {
            try
            {
                granny_reference managed = new granny_reference();
                //process reference
                managed.SectionIndex = native.SectionIndex;
                managed.Offset = native.Offset;
                return managed;
            }
           catch
            {
                StackTrace st = new StackTrace(true);
#if  ENABLE_EXCEPTION_OUTPUT_TO_CONSOLE
                Console.WriteLine(st.ToString());
#endif
                return default(granny_reference);
            }
        }

    #region INativePointer Members
        private IntPtr _NativePointer;
        public IntPtr NativePointer { get { return _NativePointer; } set { _NativePointer = value; } }
    #endregion

    #region igranny_reference members
        private Int32 _SectionIndex;
        private Int32 _Offset;

        public Int32 SectionIndex { get { return _SectionIndex; } set { _SectionIndex = value; } }
        public Int32 Offset { get { return _Offset; } set { _Offset = value; } }
    #endregion
    }
#endif
}