Class EConsole

Class Documentation

class EConsole

Device for writing o standard error.

Device for writing to standard error. Do not use this directly, it serves only as the device handle for the console stream classes.

Public Functions

inline EConsole()

Default constructor.

inline virtual ~EConsole()
inline bool open()

Dummy handle to satisfy the output device concept.

For console devices this does nothing - the standard output is always open. It is just a dummy handle built to ensure the output device concept is satisfied.

Returns:

bool : always returns true (it is always open).

long write(const char &c)

Write a character to the buffer.

Write a character to the buffer. It will automatically flush if the buffer exceeds its capacity.

Parameters:

c – : the character to write.

Throws:

StandardException – : throws if writing returned an error [debug mode only].

Returns:

long : the number of bytes written.

long write(const char *s, unsigned long n)

Write a character string to the buffer.

Write a character string to the buffer. It will automatically flush if the buffer exceeds its capacity.

Parameters:

  • s – : points to the beginning of the character string

  • n – : the number of characters to write.

Throws:

StandardException – : throws if flushing returned an error [debug mode only].

Returns:

long: the number of bytes written.

void flush()

Flush the internal buffer.

Flushes the userspace buffers to standard output.

Throws:

StandardException – : throws if flushing returned an error [debug mode only].

inline const Error &error() const

Returns the most recent error status.

Use this to check on the status of the object after a method has been called. Mostly this is here to serve as a graceful fallback for when exceptions are disabled.

Returns: