IW4M-Admin/SharedLibrary/File.cs

72 lines
2.0 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Net;
namespace SharedLibrary
{
public class IFile
{
public IFile(String fileName)
{
Name = fileName;
Handle = new StreamReader(new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite));
sze = Handle.BaseStream.Length;
}
public long Length()
{
sze = Handle.BaseStream.Length;
return sze;
}
public void Close()
{
Handle?.Close();
}
public String[] ReadAllLines()
{
return Handle?.ReadToEnd().Split(new char[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
}
public String GetText()
{
return Handle?.ReadToEnd();
}
public String[] Tail(int lineCount)
{
var buffer = new List<string>(lineCount);
string line;
for (int i = 0; i < lineCount; i++)
{
line = Handle.ReadLine();
if (line == null) return buffer.ToArray();
buffer.Add(line);
}
int lastLine = lineCount - 1; //The index of the last line read from the buffer. Everything > this index was read earlier than everything <= this indes
while (null != (line = Handle.ReadLine()))
{
lastLine++;
if (lastLine == lineCount) lastLine = 0;
buffer[lastLine] = line;
}
if (lastLine == lineCount - 1) return buffer.ToArray();
var retVal = new string[lineCount];
buffer.CopyTo(lastLine + 1, retVal, 0, lineCount - lastLine - 1);
buffer.CopyTo(0, retVal, lineCount - lastLine - 1, lastLine + 1);
return retVal;
}
//END
private long sze;
private String Name;
private StreamReader Handle;
}
}