-#ifndef WIN32
-#include <errno.h>
-#include <fcntl.h>
-#include <termios.h>
-#include <sys/ioctl.h>
-#endif
-#include <msp/core/systemerror.h>
#include "console.h"
-#include "handle_private.h"
using namespace std;
-namespace {
-
-#ifndef WIN32
-termios orig_attr;
-#endif
-
-} // namespace
-
namespace Msp {
namespace IO {
-Console::Console(unsigned n)
+Console::Console(Stream s):
+ stream(s)
{
- if(n>2)
- throw invalid_argument("Console::Console");
+ mode = (stream==CIN ? M_READ : M_WRITE);
- mode = (n==0 ? M_READ : M_WRITE);
-
-#ifdef WIN32
- switch(n)
- {
- case 0: *handle = GetStdHandle(STD_INPUT_HANDLE); break;
- case 1: *handle = GetStdHandle(STD_OUTPUT_HANDLE); break;
- case 2: *handle = GetStdHandle(STD_ERROR_HANDLE); break;
- }
-#else
- *handle = n;
+ platform_init();
- if(n==0)
- tcgetattr(*handle, &orig_attr);
-#endif
-
- if(n==0)
+ if(stream==CIN)
set_events(P_INPUT);
}
-Console::~Console()
-{
-#ifndef WIN32
- if(handle==0)
- tcsetattr(*handle, TCSADRAIN, &orig_attr);
-#endif
-}
-
void Console::set_block(bool b)
{
-#ifdef WIN32
- // XXX Dunno how to do this in win32
- (void)b;
-#else
- int flags = fcntl(*handle, F_GETFL);
- flags = (flags&~O_NONBLOCK) | (b?0:O_NONBLOCK);
- fcntl(*handle, F_SETFL, flags);
-#endif
+ sys_set_blocking(handle, b);
}
-void Console::set_local_echo(bool e)
+unsigned Console::do_write(const char *buf, unsigned len)
{
- if(!(mode&M_READ))
- throw invalid_access(M_READ);
-
-#ifdef WIN32
- DWORD m;
- GetConsoleMode(*handle, &m);
- SetConsoleMode(*handle, (m&~ENABLE_ECHO_INPUT) | (e?ENABLE_ECHO_INPUT:0));
-#else
- termios t;
- tcgetattr(*handle, &t);
- t.c_lflag = (t.c_lflag&~ECHO) | (e?ECHO:0);
- tcsetattr(*handle, TCSADRAIN, &t);
-#endif
-}
+ check_access(M_WRITE);
-void Console::set_line_buffer(bool l)
-{
- if(!(mode&M_READ))
- throw invalid_access(M_READ);
-
-#ifdef WIN32
- DWORD m;
- GetConsoleMode(*handle, &m);
- SetConsoleMode(*handle, (m&~ENABLE_LINE_INPUT) | (l?ENABLE_LINE_INPUT:0));
-#else
- // XXX ICANON does more than just set line buffering, may need a bit more thought
- termios t;
- tcgetattr(*handle, &t);
- t.c_lflag = (t.c_lflag&~ICANON) | (l?ICANON:0);
- tcsetattr(*handle, TCSADRAIN, &t);
-#endif
+ return sys_write(handle, buf, len);
}
-void Console::get_size(unsigned &rows, unsigned &cols)
+unsigned Console::do_read(char *buf, unsigned len)
{
- if(!(mode&M_WRITE))
- throw invalid_access(M_WRITE);
-
-#ifdef WIN32
- // XXX Figure out how to do this
- rows = 24;
- cols = 80;
-#else
- struct winsize wsz;
- ioctl(*handle, TIOCGWINSZ, &wsz);
- rows = wsz.ws_row;
- cols = wsz.ws_col;
-#endif
-}
+ check_access(M_READ);
-unsigned Console::do_write(const char *buf, unsigned len)
-{
- if(!(mode&M_WRITE))
- throw invalid_access(M_WRITE);
-
-#ifdef WIN32
- DWORD ret;
- if(!WriteFile(*handle, buf, len, &ret, 0))
- throw system_error("WriteFile");
-#else
- int ret = ::write(*handle, buf, len);
- if(ret==-1)
- throw system_error("write");
-#endif
+ unsigned ret = sys_read(handle, buf, len);
+ if(ret==0)
+ set_eof();
return ret;
}
-unsigned Console::do_read(char *buf, unsigned len)
+const Handle &Console::get_handle(Mode m)
{
- if(!(mode&M_READ))
- throw invalid_access(M_READ);
-
-#ifdef WIN32
- DWORD ret;
- if(!ReadFile(*handle, buf, len, &ret, 0))
- throw system_error("ReadFile");
-#else
- int ret = ::read(*handle, buf, len);
- if(ret==-1)
- {
- if(errno==EAGAIN)
- return 0;
- else
- throw system_error("read");
- }
- else if(ret==0)
- eof_flag = true;
-#endif
-
- return ret;
+ check_access(m);
+ return handle;
}
-Console &Console::instance(unsigned n)
+Console &Console::instance(Stream s)
{
- static Console in(0);
- static Console out(1);
- static Console err(2);
+ static Console in(CIN);
+ static Console out(COUT);
+ static Console err(CERR);
- switch(n)
+ switch(s)
{
- case 0: return in;
- case 1: return out;
- case 2: return err;
+ case CIN: return in;
+ case COUT: return out;
+ case CERR: return err;
}
throw invalid_argument("Console::instance");
}
-Console &cin = Console::instance(0);
-Console &cout = Console::instance(1);
-Console &cerr = Console::instance(2);
+Console &cin = Console::instance(Console::CIN);
+Console &cout = Console::instance(Console::COUT);
+Console &cerr = Console::instance(Console::CERR);
} // namespace IO
} // namespace Msp