Files
Xenia-Canary/src/xenia/platform.cc

127 lines
3.5 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include <xenia/platform.h>
#include <gflags/gflags.h>
#include <xenia/common.h>
namespace {
typedef int (*user_main_t)(int argc, xechar_t** argv);
bool _has_console = true;
} // namespace
#if XE_LIKE_WIN32 && defined(UNICODE) && UNICODE
#include <windows.h>
#include <fcntl.h>
#include <io.h>
#include <shellapi.h>
int xe_main_thunk(
int argc, wchar_t* argv[],
void* user_main, const char* usage) {
google::SetUsageMessage(std::string("usage: ") + usage);
google::SetVersionString("1.0");
int argca = argc;
char** argva = (char**)alloca(sizeof(char*) * argca);
for (int n = 0; n < argca; n++) {
size_t len = xestrlenw(argv[n]);
argva[n] = (char*)alloca(len + 1);
xestrnarrow(argva[n], len + 1, argv[n]);
}
google::ParseCommandLineFlags(&argc, &argva, true);
// Parse may have deleted flags - so widen again.
int argcw = argc;
wchar_t** argvw = (wchar_t**)alloca(sizeof(wchar_t*) * argca);
for (int n = 0; n < argc; n++) {
size_t len = xestrlena(argva[n]);
argvw[n] = (wchar_t*)alloca(sizeof(wchar_t) * (len + 1));
xestrwiden(argvw[n], len + 1, argva[n]);
}
int result = ((user_main_t)user_main)(argcw, (xechar_t**)argvw);
google::ShutDownCommandLineFlags();
return result;
}
bool xe_has_console() {
return _has_console;
}
void xe_attach_console() {
bool has_console = AttachConsole(ATTACH_PARENT_PROCESS) == TRUE;
if (!has_console) {
// We weren't launched from a console, so just return.
// We could alloc our own console, but meh:
// has_console = AllocConsole() == TRUE;
_has_console = false;
return;
}
_has_console = true;
auto std_handle = (intptr_t)GetStdHandle(STD_OUTPUT_HANDLE);
auto con_handle = _open_osfhandle(std_handle, _O_TEXT);
auto fp = _fdopen(con_handle, "w");
*stdout = *fp;
setvbuf(stdout, NULL, _IONBF, 0);
std_handle = (intptr_t)GetStdHandle(STD_ERROR_HANDLE);
con_handle = _open_osfhandle(std_handle, _O_TEXT);
fp = _fdopen(con_handle, "w");
*stderr = *fp;
setvbuf(stderr, NULL, _IONBF, 0);
}
int xe_main_window_thunk(
wchar_t* command_line,
void* user_main, const wchar_t* name, const char* usage) {
xe_attach_console();
wchar_t buffer[2048];
xestrcpy(buffer, XECOUNT(buffer), name);
xestrcat(buffer, XECOUNT(buffer), XETEXT(" "));
xestrcat(buffer, XECOUNT(buffer), command_line);
int argc;
wchar_t** argv = CommandLineToArgvW(buffer, &argc);
if (!argv) {
return 1;
}
int result = xe_main_thunk(argc, argv, user_main, usage);
LocalFree(argv);
return result;
}
#else
bool xe_has_console() {
return _has_console;
}
int xe_main_thunk(
int argc, char** argv,
void* user_main, const char* usage) {
google::SetUsageMessage(std::string("usage: ") + usage);
google::SetVersionString("1.0");
google::ParseCommandLineFlags(&argc, &argv, true);
int result = ((user_main_t)user_main)(argc, argv);
google::ShutDownCommandLineFlags();
return result;
}
#endif // WIN32