X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fconsole.h;h=ac66288832966bd4bf67355519ce2bed5d43170a;hp=3c0bb71ff3826d23467172a8e86c28f565ae1088;hb=HEAD;hpb=6e0fd758970bcb5bad5e3f2454b694cc4d7b4b66 diff --git a/source/io/console.h b/source/io/console.h index 3c0bb71..fe777cc 100644 --- a/source/io/console.h +++ b/source/io/console.h @@ -1,7 +1,9 @@ #ifndef MSP_IO_CONSOLE_H_ #define MSP_IO_CONSOLE_H_ -#include "base.h" +#include +#include "eventobject.h" +#include "handle.h" namespace Msp { namespace IO { @@ -11,16 +13,27 @@ Provides access to standard input, output and error streams. This class can't be instantiated directly - use one of the cin, cout and cerr references instead. */ -class Console: public Base +class MSPCORE_API Console: public EventObject { +public: + enum Stream + { + CIN = 0, + COUT = 1, + CERR = 2 + }; + private: + Stream stream; Handle handle; - Console(unsigned); + Console(Stream); + void platform_init(); public: ~Console(); - virtual void set_block(bool); + void set_block(bool) override; + void set_inherit(bool) override; /** If local echo is enabled, characters will appear on the console as they are typed. Can only be used on an input Console. */ @@ -36,19 +49,26 @@ public: Console. */ void get_size(unsigned &rows, unsigned &cols); + /** Redirects input from or output to another I/O object. This performs a + system-level redirect. Closing the other object won't affect the + redirection. */ + void redirect(Base &); + protected: - virtual unsigned do_write(const char *, unsigned); - virtual unsigned do_read(char *, unsigned); + std::size_t do_write(const char *, std::size_t) override; + std::size_t do_read(char *, std::size_t) override; public: - virtual Handle get_event_handle(); + const Handle &get_handle(Mode) override; + const Handle &get_event_handle() override { return handle; } - static Console &instance(unsigned); + static Console &instance(Stream); }; -extern Console &cin; -extern Console &cout; -extern Console &cerr; +// TODO make these inline instead of static when upgrading to C++17. +static Console &cin = Console::instance(Console::CIN); +static Console &cout = Console::instance(Console::COUT); +static Console &cerr = Console::instance(Console::CERR); } // namespace IO } // namespace Msp