using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using EnvDTE;
using EnvDTE80;
using EnvDTE90;

namespace MemoryViewer
{
    public class MemoryUtils
    {
        static private EnvDTE80.DTE2 dte2 = null;
 
        static private void CreateNewInstanceDTE()
        {
            
            if (dte2 == null)
               dte2 = (EnvDTE80.DTE2)System.Runtime.InteropServices.Marshal.GetActiveObject("VisualStudio.DTE.9.0"); 
        }

        static public void openFileAtLine(string filename,string linenumber)
        {
            try
            {
                CreateNewInstanceDTE();
                dte2.DTE.ExecuteCommand("File.OpenFile", filename);
                dte2.DTE.ExecuteCommand("Edit.GoTo", linenumber);
                dte2.DTE.MainWindow.SetFocus();
                dte2.DTE.MainWindow.Visible = true;
                
            }
            catch (System.Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
            
        }
        static public string convertBytesToString(UInt32 bytes)
        {
            string tmp = "";
            if (bytes < 1024)
                tmp = bytes.ToString();
            else if (bytes < 1024 * 1024)
                tmp = (bytes / 1024).ToString() + " Kb";
            else
                tmp = (bytes / (1024 * 1024)).ToString() + " Mb";

            return tmp;
        }
        
        static public Int32 findAllocatorId(string allocatorString)
        {
            foreach (MemoryFile.XALLOC_ALLOCATOR_IDS filter in Enum.GetValues(typeof(MemoryFile.XALLOC_ALLOCATOR_IDS)))
            {
                if (filter.ToString() == allocatorString)
                {
                    return (Int32)filter;
                }
            }

            return -1;
        }

        static public void readFromFile(ref List<string> dst, string filename,bool skipEmpty)
        {
            try
            {
                StreamReader SR;
                string S;
                SR = File.OpenText(filename);
                S = SR.ReadLine();
                while (S != null)
                {
                    if (!(skipEmpty == true && filename == ""))
                        dst.Add(S);

                    S = SR.ReadLine();
                }

                SR.Close();
            }
            catch
            {
            }
        }

    }
}