/// <summary>
/// Creates a new file, writes the specified <see cref="NcByteCollection"/>
/// to the file, and then closes the file. If the target file already exists,
/// it is overwritten.
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public static void WriteAllBytes(string filename, NcByteCollection data)
{
using (NcByteStream nbs = new NcByteStream(data)) {
using (Stream s = File.Open(filename, FileMode.Create, FileAccess.Write)) {
nbs.CopyTo(s);
}
}
}
/// <summary>
/// Opens a binary file, reads the contents into a <see cref="NcByteCollection"/> and then closes the file.
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public static NcByteCollection ReadAllBytes(string filename)
{
NcByteStream nbs = new NcByteStream();
using (Stream s = File.OpenRead(filename)) {
s.CopyTo(nbs);
}
return(nbs.Data);
}
/// <summary>
/// Encodes the specified string and returns a <see cref="NcByteCollection"/> containing the binary data.
/// </summary>
/// <param name="value"></param>
/// <param name="encoding"></param>
/// <returns></returns>
public static NcByteCollection EncodeString(string value, Encoding encoding)
{
NcByteStream nbs = new NcByteStream();
using (StreamWriter sw = new StreamWriter(nbs, encoding, NcByteCollection.DEFAULT_BLOCK_SIZE, true)) {
sw.Write(value);
}
return(nbs.Data);
}
/// <summary>
/// Decodes the binary data in the specified <see cref="NcByteCollection"/> and returns a string.
/// </summary>
/// <param name="data"></param>
/// <param name="encoding"></param>
/// <param name="offset"></param>
/// <param name="count"></param>
/// <returns></returns>
public static string DecodeString(NcByteCollection data, Encoding encoding, int offset = 0, int?count = null)
{
using (NcByteStream nbs = new NcByteStream(data)) {
nbs.Position = offset;
using (StreamReader sr = new StreamReader(nbs, encoding)) {
if (count.HasValue)
{
char[] buffer = new char[count.Value];
int charsRead;
int bufPos = 0;
while ((bufPos < buffer.Length) && ((charsRead = sr.Read(buffer, bufPos, buffer.Length)) > 0))
{
bufPos += charsRead;
}
return(new string(buffer, 0, bufPos));
}
else
{
return(sr.ReadToEnd());
}
}
}
}
