public static IOMode ParseIOMode(RubyFileMode mode, out bool preserveEndOfLines)
{
preserveEndOfLines = ((mode & RubyFileMode.BINARY) != 0);
IOMode io;
RubyFileMode readWriteMode = mode & RubyFileMode.ReadWriteMask;
if (readWriteMode == RubyFileMode.WRONLY)
{
io = ((mode & RubyFileMode.APPEND) != 0) ? IOMode.WriteOnlyAppend : IOMode.WriteOnlyTruncate;
}
else if (readWriteMode == RubyFileMode.RDONLY)
{
io = ((mode & RubyFileMode.APPEND) != 0) ? IOMode.ReadWriteFromStart : IOMode.ReadOnlyFromStart;
}
else if (readWriteMode == RubyFileMode.RDWR)
{
io = ((mode & RubyFileMode.APPEND) != 0) ? IOMode.ReadWriteAppend : IOMode.ReadWriteFromStart;
}
else
{
throw new ArgumentException("file mode must be one of WRONLY, RDONLY, RDWR");
}
return(io);
}
private static Stream/*!*/ OpenFileStream(RubyContext/*!*/ context, string/*!*/ path, RubyFileMode mode) {
FileMode fileMode;
FileAccess access = FileAccess.Read;
FileShare share = FileShare.ReadWrite;
RubyFileMode readWriteFlags = mode & RubyFileMode.ReadWriteMask;
if (readWriteFlags == RubyFileMode.WRONLY) {
access = FileAccess.Write;
} else if (readWriteFlags == RubyFileMode.RDONLY) {
access = FileAccess.Read;
} else if (readWriteFlags == RubyFileMode.RDWR) {
access = FileAccess.ReadWrite;
} else {
throw new ArgumentException("file open mode must be one of RDONLY WRONLY or RDWR");
}
if ((mode & RubyFileMode.APPEND) != 0) {
fileMode = FileMode.Append;
} else if ((mode & RubyFileMode.CREAT) != 0) {
fileMode = FileMode.Create;
} else if ((mode & RubyFileMode.TRUNC) != 0) {
fileMode = FileMode.Truncate;
} else {
fileMode = FileMode.Open;
}
if ((mode & RubyFileMode.EXCL) != 0) {
share = FileShare.None;
}
return context.DomainManager.Platform.OpenInputFileStream(path, fileMode, access, share);
}
public RubyIO(RubyContext /*!*/ context, Stream /*!*/ stream, RubyFileMode mode)
: this(context) {
ContractUtils.RequiresNotNull(stream, "stream");
_mode = ParseIOMode(mode, out _preserveEndOfLines);
_stream = stream;
ResetLineNumbersForReadOnlyFiles(context);
}
private static Stream /*!*/ OpenFileStream(RubyContext /*!*/ context, string /*!*/ path, RubyFileMode mode)
{
FileMode fileMode;
FileAccess access = FileAccess.Read;
FileShare share = FileShare.ReadWrite;
RubyFileMode readWriteFlags = mode & RubyFileMode.ReadWriteMask;
if (readWriteFlags == RubyFileMode.WRONLY)
{
access = FileAccess.Write;
}
else if (readWriteFlags == RubyFileMode.RDONLY)
{
access = FileAccess.Read;
}
else if (readWriteFlags == RubyFileMode.RDWR)
{
access = FileAccess.ReadWrite;
}
else
{
throw new ArgumentException("file open mode must be one of RDONLY WRONLY or RDWR");
}
if ((mode & RubyFileMode.APPEND) != 0)
{
fileMode = FileMode.Append;
}
else if ((mode & RubyFileMode.CREAT) != 0)
{
fileMode = FileMode.Create;
}
else if ((mode & RubyFileMode.TRUNC) != 0)
{
fileMode = FileMode.Truncate;
}
else
{
fileMode = FileMode.Open;
}
if ((mode & RubyFileMode.EXCL) != 0)
{
share = FileShare.None;
}
return(context.DomainManager.Platform.OpenInputFileStream(path, fileMode, access, share));
}
public RubyIO(RubyContext/*!*/ context, Stream/*!*/ stream, RubyFileMode mode)
: this(context) {
ContractUtils.RequiresNotNull(stream, "stream");
_mode = ParseIOMode(mode, out _preserveEndOfLines);
_stream = stream;
ResetLineNumbersForReadOnlyFiles(context);
}
public static IOMode ParseIOMode(RubyFileMode mode, out bool preserveEndOfLines) {
preserveEndOfLines = ((mode & RubyFileMode.BINARY) != 0);
IOMode io;
RubyFileMode readWriteMode = mode & RubyFileMode.ReadWriteMask;
if (readWriteMode == RubyFileMode.WRONLY) {
io = ((mode & RubyFileMode.APPEND) != 0) ? IOMode.WriteOnlyAppend : IOMode.WriteOnlyTruncate;
} else if (readWriteMode == RubyFileMode.RDONLY) {
io = ((mode & RubyFileMode.APPEND) != 0) ? IOMode.ReadWriteFromStart : IOMode.ReadOnlyFromStart;
} else if (readWriteMode == RubyFileMode.RDWR) {
io = ((mode & RubyFileMode.APPEND) != 0) ? IOMode.ReadWriteAppend : IOMode.ReadWriteFromStart;
} else {
throw new ArgumentException("file mode must be one of WRONLY, RDONLY, RDWR");
}
return io;
}
public RubyFile(RubyContext /*!*/ context, string /*!*/ path, RubyFileMode mode)
: base(context, OpenFileStream(context, path, mode), mode)
{
_path = path;
}
public RubyFile(RubyContext/*!*/ context, string/*!*/ path, RubyFileMode mode)
: base(context, OpenFileStream(context, path, mode), mode) {
_path = path;
}
