Code Spelling Checker Extension for Visual Studio 2010 (VSX)

using System;
using System.Collections.Generic;


namespace DigitalSamurai.SpellSharp.InputProcessing
{
    public struct DocumentPosition : IComparable<DocumentPosition>, IEquatable<DocumentPosition>
    {
        #region public int Line { get; }
        private int _Line;

        public int Line
        {
            get { return _Line; }
        }
        #endregion

        #region public int Column { get; }
        private int _Column;

        public int Column
        {
            get { return _Column; }
        }
        #endregion


        public DocumentPosition (int line, int column)
        {
            _Line = line;
            _Column = column;
        }


        public override bool Equals (object other)
        {
            if (other is DocumentPosition)
            {
                return Equals ((DocumentPosition) other);
            }

            return false;
        }

        public override int GetHashCode ()
        {
            return Line ^ Column;
        }

        public override string ToString ()
        {
            return string.Format ("{{ Line : {0}; Column : {1} }}", Line, Column);
        }


        public static int Compare (DocumentPosition a, DocumentPosition b)
        {
            int result = Comparer<int>.Default.Compare (a.Line, b.Line);
            if (result != 0)
            {
                return result;
            }

            return Comparer<int>.Default.Compare (a.Column, b.Column);
        }

        public int CompareTo (DocumentPosition other)
        {
            return Compare (this, other);
        }

        public bool Equals (DocumentPosition other)
        {
            return Compare (this, other) == 0;
        }


        public DocumentPosition Increment (int lineIncrement, int columnIncrement)
        {
            return new DocumentPosition
            (
                Line + lineIncrement,
                Column + columnIncrement
            );
        }


        public static bool operator < (DocumentPosition a, DocumentPosition b)
        {
            return Compare (a, b) < 0;
        }

        public static bool operator <= (DocumentPosition a, DocumentPosition b)
        {
            return Compare (a, b) <= 0;
        }

        public static bool operator == (DocumentPosition a, DocumentPosition b)
        {
            return Compare (a, b) == 0;
        }

        public static bool operator != (DocumentPosition a, DocumentPosition b)
        {
            return Compare (a, b) != 0;
        }

        public static bool operator >= (DocumentPosition a, DocumentPosition b)
        {
            return Compare (a, b) >= 0;
        }

        public static bool operator > (DocumentPosition a, DocumentPosition b)
        {
            return Compare (a, b) > 0;
        }
    }
}