|
static private InternalOpen ( string path, int bufferSize = DefaultBufferSize, bool useAsync = DefaultIsAsync ) : |
||
| path | string | |
| bufferSize | int | |
| useAsync | bool | |
| return | ||
private static byte[] InternalReadAllBytes(String path)
{
// bufferSize == 1 used to avoid unnecessary buffer in FileStream
using (FileStream fs = FileStream.InternalOpen(path, bufferSize: 1, useAsync: false))
{
long fileLength = fs.Length;
if (fileLength > Int32.MaxValue)
{
throw new IOException(SR.IO_FileTooLong2GB);
}
int index = 0;
int count = (int)fileLength;
byte[] bytes = new byte[count];
while (count > 0)
{
int n = fs.Read(bytes, index, count);
if (n == 0)
{
throw __Error.GetEndOfFile();
}
index += n;
count -= n;
}
return(bytes);
}
}
private static String InternalReadAllText(String path, Encoding encoding)
{
Contract.Requires(path != null);
Contract.Requires(encoding != null);
Contract.Requires(path.Length > 0);
Stream stream = FileStream.InternalOpen(path, useAsync: false);
using (StreamReader sr = new StreamReader(stream, encoding, true))
return(sr.ReadToEnd());
}
public static StreamReader OpenText(String path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
Contract.EndContractBlock();
Stream stream = FileStream.InternalOpen(path);
return(new StreamReader(stream));
}
private static String[] InternalReadAllLines(String path, Encoding encoding)
{
Contract.Requires(path != null);
Contract.Requires(encoding != null);
Contract.Requires(path.Length != 0);
String line;
List <String> lines = new List <String>();
Stream stream = FileStream.InternalOpen(path, useAsync: false);
using (StreamReader sr = new StreamReader(stream, encoding))
while ((line = sr.ReadLine()) != null)
{
lines.Add(line);
}
return(lines.ToArray());
}
private static ReadLinesIterator CreateIterator(string path, Encoding encoding, StreamReader reader)
{
Stream stream = FileStream.InternalOpen(path);
return(new ReadLinesIterator(path, encoding, reader ?? new StreamReader(stream, encoding)));
}
private static ReadLinesIterator CreateIterator(string path, Encoding encoding, StreamReader reader)
{
return(new ReadLinesIterator(path, encoding, reader ?? new StreamReader(FileStream.InternalOpen(path, useAsync: false), encoding)));
}
[System.Security.SecuritySafeCritical] // auto-generated
public StreamReader OpenText()
{
Stream stream = FileStream.InternalOpen(FullPath);
return(new StreamReader(stream, Encoding.UTF8, true));
}
