public RubyBufferedStream /*!*/ GetWritableStream()
{
var result = GetStream();
if (!_mode.CanWrite())
{
throw RubyExceptions.CreateIOError("not opened for writing");
}
if (!result.CanWrite)
{
throw RubyExceptions.CreateEBADF();
}
return(result);
}
public static RubyIO /*!*/ OpenPipe(
RubyContext /*!*/ context,
MutableString /*!*/ command,
IOMode mode)
{
bool redirectStandardInput = mode.CanWrite();
bool redirectStandardOutput = mode.CanRead();
Process process = RubyProcess.CreateProcess(context, command, redirectStandardInput, redirectStandardOutput, false);
StreamReader reader = null;
StreamWriter writer = null;
if (redirectStandardOutput)
{
reader = process.StandardOutput;
}
if (redirectStandardInput)
{
writer = process.StandardInput;
}
return(new RubyIO(context, reader, writer, mode));
}
private MutableString /*!*/ GetWritableContent()
{
if (!_mode.CanWrite())
{
throw RubyExceptions.CreateIOError("not opened for writing");
}
return(_content);
}
private static MutableString/*!*/ CheckContent(MutableString/*!*/ content, IOMode mode) {
if (content.IsFrozen && mode.CanWrite()) {
throw Errno.CreateEACCES("Permission denied");
}
if ((mode & IOMode.Truncate) != 0) {
content.Clear();
}
return content;
}
private static MutableString /*!*/ CheckContent(MutableString /*!*/ content, IOMode mode)
{
if (content.IsFrozen && mode.CanWrite())
{
throw Errno.CreateEACCES("Permission denied");
}
if ((mode & IOMode.Truncate) != 0)
{
content.Clear();
}
return(content);
}
public static RubyIO/*!*/ OpenPipe(
RubyContext/*!*/ context,
MutableString/*!*/ command,
IOMode mode) {
bool redirectStandardInput = mode.CanWrite();
bool redirectStandardOutput = mode.CanRead();
Process process = RubyProcess.CreateProcess(context, command, redirectStandardInput, redirectStandardOutput, false);
StreamReader reader = null;
StreamWriter writer = null;
if (redirectStandardOutput) {
reader = process.StandardOutput;
}
if (redirectStandardInput) {
writer = process.StandardInput;
}
return new RubyIO(context, reader, writer, mode);
}
public static IOMode CloseRead(this IOMode mode)
{
return((mode & ~IOMode.ReadWriteMask) | (mode.CanWrite() ? IOMode.WriteOnly : IOMode.Closed));
}
