Move most platform-specific code into overlay directories

[libs/core.git] / source / io / unix / console.cpp

diff --git a/source/io/unix/console.cpp b/source/io/unix/console.cpp
new file mode 100644 (file)
index 0000000..d38d0bb
--- /dev/null
+++ b/source/io/unix/console.cpp
@@ -0,0 +1,83 @@
+#include <unistd.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+#include <msp/core/systemerror.h>
+#include "console.h"
+#include "handle_private.h"
+
+namespace {
+
+termios orig_attr;
+
+}
+
+
+namespace Msp {
+namespace IO {
+
+void Console::platform_init()
+{
+       *handle = stream;
+
+       if(stream==CIN)
+               tcgetattr(*handle, &orig_attr);
+}
+
+Console::~Console()
+{
+       if(stream==CIN)
+               tcsetattr(*handle, TCSADRAIN, &orig_attr);
+}
+
+void Console::set_local_echo(bool e)
+{
+       check_access(M_READ);
+
+       termios t;
+       tcgetattr(*handle, &t);
+       t.c_lflag = (t.c_lflag&~ECHO) | (e?ECHO:0);
+       tcsetattr(*handle, TCSADRAIN, &t);
+}
+
+void Console::set_line_buffer(bool l)
+{
+       check_access(M_READ);
+
+       termios t;
+       if(tcgetattr(*handle, &t)==-1)
+               throw system_error("tcgetattr");
+       t.c_lflag = (t.c_lflag&~ICANON) | (l?ICANON:0);
+       // man termios warns that VMIN and VTIME may share indices with VEOF and VEOL
+       if(l)
+       {
+               t.c_cc[VEOF] = orig_attr.c_cc[VEOF];
+               t.c_cc[VEOL] = orig_attr.c_cc[VEOL];
+       }
+       else
+       {
+               t.c_cc[VMIN] = 1;
+               t.c_cc[VTIME] = 0;
+       }
+       if(tcsetattr(*handle, TCSADRAIN, &t)==-1)
+               throw system_error("tcsetattr");
+}
+
+void Console::get_size(unsigned &rows, unsigned &cols)
+{
+       check_access(M_WRITE);
+
+       struct winsize wsz;
+       if(ioctl(*handle, TIOCGWINSZ, &wsz)==-1)
+               throw system_error("ioctl TIOCGWINSZ");
+       rows = wsz.ws_row;
+       cols = wsz.ws_col;
+}
+
+void Console::redirect(Base &other)
+{
+       dup2(*other.get_handle(mode), *handle);
+}
+
+} // namespace IO
+} // namespace Msp