public void OpenFile(string fileName, Encoding enc)
{
Clear();
if (fs != null)
{
fs.Dispose();
}
SaveEOL = Environment.NewLine;
//read lines of file
fs = new FileStream(fileName, FileMode.Open);
var length = fs.Length;
//read signature
enc = DefineEncoding(enc, fs);
int shift = DefineShift(enc);
//first line
sourceFileLinePositions.Add((int)fs.Position);
base.lines.Add(null);
//other lines
sourceFileLinePositions.Capacity = (int)(length / 7 + 1000);
//int prev = 0;
//while(fs.Position < length)
//{
// var b = fs.ReadByte();
// if (b == 10)// \n
// {
// sourceFileLinePositions.Add((int)(fs.Position) + shift);
// base.lines.Add(null);
// }else
// if (prev == 13)// \r (Mac format)
// {
// sourceFileLinePositions.Add((int)(fs.Position - 1) + shift);
// base.lines.Add(null);
// SaveEOL = "\r";
// }
// prev = b;
//}
//if (prev == 13)
//{
// sourceFileLinePositions.Add((int)(fs.Position) + shift);
// base.lines.Add(null);
//}
int prev = 0;
int prevPos = 0;
BinaryReader br = new BinaryReader(fs, enc);
while (fs.Position < length)
{
prevPos = (int)fs.Position;
var b = br.ReadChar();
if (b == 10)// \n
{
sourceFileLinePositions.Add((int)fs.Position);
base.lines.Add(null);
}
else
if (prev == 13)// \r (Mac format)
{
sourceFileLinePositions.Add((int)prevPos);
base.lines.Add(null);
SaveEOL = "\r";
}
prev = b;
}
if (prev == 13)
{
sourceFileLinePositions.Add((int)prevPos);
base.lines.Add(null);
}
if (length > 2000000)
{
GC.Collect();
}
Line[] temp = new Line[100];
var c = base.lines.Count;
base.lines.AddRange(temp);
base.lines.TrimExcess();
base.lines.RemoveRange(c, temp.Length);
int[] temp2 = new int[100];
c = base.lines.Count;
sourceFileLinePositions.AddRange(temp2);
sourceFileLinePositions.TrimExcess();
sourceFileLinePositions.RemoveRange(c, temp.Length);
fileEncoding = enc;
OnLineInserted(0, Count);
//load first lines for calc width of the text
var linesCount = Math.Min(lines.Count, CurrentTB.ClientRectangle.Height / CurrentTB.CharHeight);
for (int i = 0; i < linesCount; i++)
{
LoadLineFromSourceFile(i);
}
//
NeedRecalc(new TextChangedEventArgs(0, linesCount - 1));
if (CurrentTB.WordWrap)
{
OnRecalcWordWrap(new TextChangedEventArgs(0, linesCount - 1));
}
}
public override void InsertLine(int index, Line line)
{
sourceFileLinePositions.Insert(index, -1);
base.InsertLine(index, line);
}