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Diffstat (limited to 'ext/-test-/win32/console/attribute.c')
-rw-r--r--ext/-test-/win32/console/attribute.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/ext/-test-/win32/console/attribute.c b/ext/-test-/win32/console/attribute.c
new file mode 100644
index 0000000000..6b8bd96c49
--- /dev/null
+++ b/ext/-test-/win32/console/attribute.c
@@ -0,0 +1,44 @@
+#include <ruby.h>
+
+static VALUE rb_cConsoleScreenBufferInfo;
+
+static VALUE
+console_info(VALUE io)
+{
+ int fd = NUM2INT(rb_funcallv(io, rb_intern("fileno"), 0, 0));
+ HANDLE h = (HANDLE)rb_w32_get_osfhandle(fd);
+ CONSOLE_SCREEN_BUFFER_INFO csbi;
+
+ if (h == (HANDLE)-1) rb_raise(rb_eIOError, "invalid io");
+ if (!GetConsoleScreenBufferInfo(h, &csbi))
+ rb_syserr_fail(rb_w32_map_errno(GetLastError()), "not console");
+ return rb_struct_new(rb_cConsoleScreenBufferInfo,
+ INT2FIX(csbi.dwSize.X), INT2FIX(csbi.dwSize.Y),
+ INT2FIX(csbi.dwCursorPosition.X), INT2FIX(csbi.dwCursorPosition.Y),
+ INT2FIX(csbi.wAttributes));
+}
+
+#define FOREGROUND_MASK (FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY)
+#define BACKGROUND_MASK (BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY)
+
+void
+Init_attribute(VALUE m)
+{
+ rb_cConsoleScreenBufferInfo = rb_struct_define_under(m, "ConsoleScreenBufferInfo",
+ "size_x", "size_y",
+ "cur_x", "cur_y",
+ "attr", NULL);
+ rb_define_method(rb_cIO, "console_info", console_info, 0);
+
+ rb_define_const(m, "FOREGROUND_MASK", INT2FIX(FOREGROUND_MASK));
+ rb_define_const(m, "FOREGROUND_BLUE", INT2FIX(FOREGROUND_BLUE));
+ rb_define_const(m, "FOREGROUND_GREEN", INT2FIX(FOREGROUND_GREEN));
+ rb_define_const(m, "FOREGROUND_RED", INT2FIX(FOREGROUND_RED));
+ rb_define_const(m, "FOREGROUND_INTENSITY", INT2FIX(FOREGROUND_INTENSITY));
+
+ rb_define_const(m, "BACKGROUND_MASK", INT2FIX(BACKGROUND_MASK));
+ rb_define_const(m, "BACKGROUND_BLUE", INT2FIX(BACKGROUND_BLUE));
+ rb_define_const(m, "BACKGROUND_GREEN", INT2FIX(BACKGROUND_GREEN));
+ rb_define_const(m, "BACKGROUND_RED", INT2FIX(BACKGROUND_RED));
+ rb_define_const(m, "BACKGROUND_INTENSITY", INT2FIX(BACKGROUND_INTENSITY));
+}