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FileOperations.cs
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FileOperations.cs
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using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
namespace PriyomOTPcoder
{
class FileOperations
{
private static readonly string Docsfolder = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
public static FileLine[] Readfile(string filename)
{
var file = System.IO.File.ReadAllLines(Docsfolder + "\\" + filename + ".txt");
var newlinesArray = new FileLine[file.Count()];
var count = file.Count();
for (var i = 0; i < count; i++ )
{
newlinesArray[i] = new FileLine(file[i]);
}
return newlinesArray;
}
public static void WriteFile(string filename, FileLines fileLines)
{
var file = new System.IO.StreamWriter(Docsfolder + "\\" + filename + ".txt");
using (file)
{
foreach (var fileLine in fileLines)
{
file.WriteLine(fileLine.Fileline);
}
}
}
public class FileLine
{
public FileLine(string fline)
{
Fileline = fline;
}
public string Fileline;
public int Length()
{
return Fileline.Length;
}
}
public class FileLines : IEnumerable
{
private readonly FileLine[] _filelines;
public FileLines(IList<FileLine> fArray)
{
_filelines = new FileLine[fArray.Count];
for (var i = 0; i < fArray.Count; i++ )
{
_filelines[i] = fArray[i];
}
}
IEnumerator IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
public FileLineEnum GetEnumerator()
{
return new FileLineEnum(_filelines);
}
}
public class FileLineEnum : IEnumerator
{
public FileLine[] Filelines;
private int _position = -1;
public FileLineEnum(FileLine[] list)
{
Filelines = list;
}
public bool MoveNext()
{
_position++;
return (_position < Filelines.Length);
}
public void Reset()
{
_position = -1;
}
object IEnumerator.Current
{
get
{
return Current;
}
}
public FileLine Current
{
get
{
try
{
return Filelines[_position];
}
catch (IndexOutOfRangeException)
{
throw new InvalidOperationException();
}
}
}
}
}
}