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#include <mruby.h>
#ifdef MRB_DISABLE_STDIO
# error print conflicts 'MRB_DISABLE_STDIO' configuration in your 'build_config.rb'
#endif
#include <mruby/string.h>
#include <string.h>
#include <stdlib.h>
#if defined(_WIN32)
# include <windows.h>
# include <io.h>
#ifdef _MSC_VER
# define isatty(x) _isatty(x)
# define fileno(x) _fileno(x)
#endif
#endif
static void
printstr(mrb_state *mrb, const char *p, mrb_int len)
{
#if defined(_WIN32)
if (isatty(fileno(stdout))) {
DWORD written;
int wlen = MultiByteToWideChar(CP_UTF8, 0, p, (int)len, NULL, 0);
wchar_t* utf16 = (wchar_t*)mrb_malloc(mrb, (wlen+1) * sizeof(wchar_t));
if (MultiByteToWideChar(CP_UTF8, 0, p, (int)len, utf16, wlen) > 0) {
utf16[wlen] = 0;
WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE),
utf16, (DWORD)wlen, &written, NULL);
}
mrb_free(mrb, utf16);
} else
#endif
fwrite(p, (size_t)len, 1, stdout);
fflush(stdout);
}
static mrb_value
mrb_printstr(mrb_state *mrb, mrb_value self)
{
mrb_value s = mrb_get_arg1(mrb);
if (mrb_string_p(s)) {
printstr(mrb, RSTRING_PTR(s), RSTRING_LEN(s));
}
return s;
}
/* 15.3.1.2.10 */
/* 15.3.1.3.35 */
static mrb_value
mrb_print(mrb_state *mrb, mrb_value self)
{
mrb_int argc, i;
mrb_value *argv;
mrb_get_args(mrb, "*", &argv, &argc);
for (i=0; i<argc; i++) {
mrb_value s = mrb_obj_as_string(mrb, argv[i]);
printstr(mrb, RSTRING_PTR(s), RSTRING_LEN(s));
}
return mrb_nil_value();
}
/* 15.3.1.2.11 */
/* 15.3.1.3.39 */
static mrb_value
mrb_puts(mrb_state *mrb, mrb_value self)
{
mrb_int argc, i;
mrb_value *argv;
mrb_get_args(mrb, "*", &argv, &argc);
for (i=0; i<argc; i++) {
mrb_value s = mrb_obj_as_string(mrb, argv[i]);
mrb_int len = RSTRING_LEN(s);
printstr(mrb, RSTRING_PTR(s), len);
if (len == 0 || RSTRING_PTR(s)[len-1] != '\n') {
printstr(mrb, "\n", 1);
}
}
if (argc == 0) {
printstr(mrb, "\n", 1);
}
return mrb_nil_value();
}
void
mrb_mruby_print_gem_init(mrb_state* mrb)
{
struct RClass *krn;
krn = mrb->kernel_module;
mrb_define_method(mrb, krn, "__printstr__", mrb_printstr, MRB_ARGS_REQ(1));
mrb_define_method(mrb, krn, "print", mrb_print, MRB_ARGS_ANY());
mrb_define_method(mrb, krn, "puts", mrb_puts, MRB_ARGS_ANY());
}
void
mrb_mruby_print_gem_final(mrb_state* mrb)
{
}
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