C++ GET_FLAG函数代码示例

*/	REBOOL OS_Request_File(REBRFR *fr)
/*
***********************************************************************/
{
	OPENFILENAME ofn = {0};
	BOOL ret;
	//int err;
	REBCHR *filters = TEXT("All files\0*.*\0REBOL scripts\0*.r\0Text files\0*.txt\0"	);

	ofn.lStructSize = sizeof(ofn);

	// ofn.hwndOwner = WIN_WIN(win); // Must find a way to set this

	ofn.lpstrTitle = fr->title;
	ofn.lpstrInitialDir = fr->dir;
	ofn.lpstrFile = fr->files;
	ofn.lpstrFilter = fr->filter ? fr->filter : filters;
	ofn.nMaxFile = fr->len;
	ofn.lpstrFileTitle = 0;
	ofn.nMaxFileTitle = 0;

	ofn.Flags = OFN_HIDEREADONLY | OFN_EXPLORER | OFN_NOCHANGEDIR; //|OFN_NONETWORKBUTTON; //;

	if (GET_FLAG(fr->flags, FRF_MULTI)) ofn.Flags |= OFN_ALLOWMULTISELECT;

	if (GET_FLAG(fr->flags, FRF_SAVE))
		ret = GetSaveFileName(&ofn);
	else
		ret = GetOpenFileName(&ofn);

	//if (!ret)
	//	err = CommDlgExtendedError(); // CDERR_FINDRESFAILURE

	return ret;
}

//
//  Open_IO: C
//
DEVICE_CMD Open_IO(REBREQ *req)
{
    REBDEV *dev;

    dev = Devices[req->device];

    // Avoid opening the console twice (compare dev and req flags):
    if (GET_FLAG(dev->flags, RDF_OPEN)) {
        // Device was opened earlier as null, so req must have that flag:
        if (GET_FLAG(dev->flags, SF_DEV_NULL))
            SET_FLAG(req->modes, RDM_NULL);
        SET_FLAG(req->flags, RRF_OPEN);
        return DR_DONE; // Do not do it again
    }

    if (!GET_FLAG(req->modes, RDM_NULL)) {
        // Get the raw stdio handles:
        Std_Out = GetStdHandle(STD_OUTPUT_HANDLE);
        Std_Inp = GetStdHandle(STD_INPUT_HANDLE);
        //Std_Err = GetStdHandle(STD_ERROR_HANDLE);
        Std_Echo = 0;

        Redir_Out = (GetFileType(Std_Out) != 0);
        Redir_Inp = (GetFileType(Std_Inp) != 0);

        if (!Redir_Inp || !Redir_Out) {
            // If either input or output is not redirected, preallocate
            // a buffer for conversion from/to UTF-8.
            Std_Buf = OS_ALLOC_N(wchar_t, BUF_SIZE);
        }

*/	DEVICE_CMD Write_File(REBREQ *file)
/*
**	Bug?: update file->size value after write !?
**
***********************************************************************/
{
	if (!file->id) {
		file->error = -RFE_NO_HANDLE;
		return DR_ERROR;
	}

	if (GET_FLAG(file->modes, RFM_APPEND)) {
		CLR_FLAG(file->modes, RFM_APPEND);
		lseek(file->id, 0, SEEK_END);
	}

	if (file->modes & ((1 << RFM_SEEK) | (1 << RFM_RESEEK) | (1 << RFM_TRUNCATE))) {
		CLR_FLAG(file->modes, RFM_RESEEK);
		if (!Seek_File_64(file)) return DR_ERROR;
		if (GET_FLAG(file->modes, RFM_TRUNCATE))
			if (ftruncate(file->id, file->file.index)) return DR_ERROR;
	}

	if (file->length == 0) return DR_DONE;

	file->actual = write(file->id, file->data, file->length);
	if (file->actual < 0) {
		if (errno == ENOSPC) file->error = -RFE_DISK_FULL;
		else file->error = -RFE_BAD_WRITE;
		return DR_ERROR;
	}

	return DR_DONE;
}

std::string enchant::print_to_file() const
{
	std::stringstream out;
	out << "Ench: I " << name_ << "\n" << " T "<< type_ << "\n";

	for (std::vector<obj_affected_type>::const_iterator i = affected_.begin(),
		iend = affected_.end(); i != iend; ++i)
	{
		out << " A " << i->location << " " << i->modifier << "\n";
	}

	*buf = '\0';
	tascii(&GET_FLAG(affects_flags_, 0), 4, buf);
	out << " F " << buf << "\n";

	*buf = '\0';
	tascii(&GET_FLAG(extra_flags_, 0), 4, buf);
	out << " E " << buf << "\n";

	*buf = '\0';
	tascii(&GET_FLAG(no_flags_, 0), 4, buf);
	out << " N " << buf << "\n";

	out << " W " << weight_ << "\n";
	out << " B " << ndice_ << "\n";
	out << " C " << sdice_ << "\n";
	out << "~\n";

	return out.str();
}

static REBCNT find_string(REBSER *series, REBCNT index, REBCNT end, REBVAL *target, REBCNT len, REBCNT flags, REBINT skip)
{
	REBCNT start = index;

	if (flags & (AM_FIND_REVERSE | AM_FIND_LAST)) {
		skip = -1;
		start = 0;
		if (flags & AM_FIND_LAST) index = end - len;
		else index--;
	}

	if (ANY_BINSTR(target)) {
		// Do the optimal search or the general search?
		if (BYTE_SIZE(series) && VAL_BYTE_SIZE(target) && !(flags & ~(AM_FIND_CASE|AM_FIND_MATCH)))
			return Find_Byte_Str(series, start, VAL_BIN_DATA(target), len, !GET_FLAG(flags, ARG_FIND_CASE-1), GET_FLAG(flags, ARG_FIND_MATCH-1));
		else
			return Find_Str_Str(series, start, index, end, skip, VAL_SERIES(target), VAL_INDEX(target), len, flags & (AM_FIND_MATCH|AM_FIND_CASE));
	}
	else if (IS_BINARY(target)) {
		return Find_Byte_Str(series, start, VAL_BIN_DATA(target), len, 0, GET_FLAG(flags, ARG_FIND_MATCH-1));
	}
	else if (IS_CHAR(target)) {
		return Find_Str_Char(series, start, index, end, skip, VAL_CHAR(target), flags);
	}
	else if (IS_INTEGER(target)) {
		return Find_Str_Char(series, start, index, end, skip, (REBUNI)VAL_INT32(target), flags);
	}
	else if (IS_BITSET(target)) {
		return Find_Str_Bitset(series, start, index, end, skip, VAL_SERIES(target), flags);
	}

	return NOT_FOUND;
}

void
delayed_trigger_activity ()
{
	CHAR_DATA *ch;

	//for (ch = character_list; ch; ch = ch->next)
	for (std::list<char_data*>::iterator tch_iterator = character_list.begin(); tch_iterator != character_list.end(); tch_iterator++)
	{
		ch = *tch_iterator;

		if (ch->deleted)
			continue;

		if (GET_FLAG (ch, FLAG_INHIBITTED))
		{

			if (!GET_FLAG (ch, FLAG_ENTERING) &&
				!GET_FLAG (ch, FLAG_LEAVING) && !ch->delay)
				ch->flags &= ~FLAG_INHIBITTED;
			else
				continue;
		}

		if (ch->trigger_delay && !--(ch->trigger_delay))
			trigger (ch, "", ch->trigger_id);
	}
}

/*
 * Stream contains open file descriptors that could not be completed.
 * If stream has only pending open file descriptors close file
 * descriptors.
 */
static void
closeStream()
{
	FileInfo_t *file;
	int id;

	id = Stream->first;
	while (id > EOS) {
		PthreadMutexLock(&Stream->mutex);
		file = GetFile(id);
		PthreadMutexLock(&file->mutex);
		if (GET_FLAG(file->flags, FI_DCACHE_CLOSE)) {
			if (close(file->dcache) == -1) {
				WarnSyscallError(HERE,
				    "close", "");
			}
			CLEAR_FLAG(file->flags, FI_DCACHE);
			NumOpenFiles--;

		} else if (GET_FLAG(file->flags, FI_DCACHE)) {
			SendErrorResponse(file);
		}

		id = file->next;
		PthreadMutexUnlock(&Stream->mutex);
		PthreadMutexUnlock(&file->mutex);
	}

	if (GET_FLAG(Stream->flags, SR_UNAVAIL)) {
		rejectRequest(ENODEV, B_TRUE);
	} else {
		rejectRequest(0, B_TRUE);
	}
}

*/	DEVICE_CMD Read_DNS(REBREQ *sock)
/*
**		Initiate the GetHost request and return immediately.
**		Note the temporary results buffer (must be freed later).
**
***********************************************************************/
{
	void *host;
#ifdef HAS_ASYNC_DNS
	HANDLE handle;
#else
	HOSTENT *he;
#endif

	host = OS_Make(MAXGETHOSTSTRUCT); // be sure to free it

#ifdef HAS_ASYNC_DNS
	if (!GET_FLAG(sock->modes, RST_REVERSE)) // hostname lookup
		handle = WSAAsyncGetHostByName(Event_Handle, WM_DNS, sock->data, host, MAXGETHOSTSTRUCT);
	else
		handle = WSAAsyncGetHostByAddr(Event_Handle, WM_DNS, (char*)&(sock->net.remote_ip), 4, AF_INET, host, MAXGETHOSTSTRUCT);

	if (handle != 0) {
		sock->net.host_info = host;
		sock->handle = handle;
		return DR_PEND; // keep it on pending list
	}
#else
	// Use old-style blocking DNS (mainly for testing purposes):
	if (GET_FLAG(sock->modes, RST_REVERSE)) {
		he = gethostbyaddr((char*)&sock->net.remote_ip, 4, AF_INET);
		if (he) {
			sock->net.host_info = host; //???
			sock->data = he->h_name;
			SET_FLAG(sock->flags, RRF_DONE);
			return DR_DONE;
		}
	}
	else {
		he = gethostbyname(sock->data);
		if (he) {
			sock->net.host_info = host; // ?? who deallocs?
			COPY_MEM((char*)&(sock->net.remote_ip), (char *)(*he->h_addr_list), 4); //he->h_length);
			SET_FLAG(sock->flags, RRF_DONE);
			return DR_DONE;
		}
	}
#endif

	OS_Free(host);
	sock->net.host_info = 0;

	sock->error = GET_ERROR;
	//Signal_Device(sock, EVT_ERROR);
	return DR_ERROR; // Remove it from pending list
}

*/	int OS_Do_Device(REBREQ *req, REBCNT command)
/*
**		Tell a device to perform a command. Non-blocking in many
**		cases and will attach the request for polling.
**
**		Returns:
**			=0: for command success
**			>0: for command still pending
**			<0: for command error
**
***********************************************************************/
{
	REBDEV *dev;
	REBINT result;

	req->error = 0; // A94 - be sure its cleared

	// Validate device:
	if (req->device >= RDI_MAX || !(dev = Devices[req->device])) {
		req->error = RDE_NO_DEVICE;
		return -1;
	}

	// Confirm device is initialized. If not, return an error or init
	// it if auto init option is set.
	if (!GET_FLAG(dev->flags, RDF_INIT)) {
		if (GET_FLAG(dev->flags, RDO_MUST_INIT)) {
			req->error = RDE_NO_INIT;
			return -1;
		}
		if (!dev->commands[RDC_INIT] || !dev->commands[RDC_INIT]((REBREQ*)dev))
		SET_FLAG(dev->flags, RDF_INIT);
	}

	// Validate command:
	if (command > dev->max_command || dev->commands[command] == 0) {
		req->error = RDE_NO_COMMAND;
		return -1;
	}

	// Do the command:
	req->command = command;
	result = dev->commands[command](req);

	// If request is pending, attach it to device for polling:
	if (result > 0) Attach_Request(&dev->pending, req);
	else if (dev->pending) {
		Detach_Request(&dev->pending, req); // often a no-op
		if (result == DR_ERROR && GET_FLAG(req->flags, RRF_ALLOC)) { // not on stack
			Signal_Device(req, EVT_ERROR);
		}
	}

	return result;
}

void catalog_validate_objects()
{
    catalog_object_header * i = local_catalog->invalid_list;
    while (i != NULL) {
        if (GET_FLAG(i->flags, CAT_OBJECT_DELETED_FLAG)) {
        } else if (GET_FLAG(i->flags, CAT_OBJECT_INVALID_FLAG)) {
            i->validate();
        }
        i = i->next_invalid;
    }

    local_catalog->invalid_list = NULL;
}

*/	static void Protect_Word(REBVAL *value, REBCNT flags)
/*
***********************************************************************/
{
	if (GET_FLAG(flags, PROT_WORD)) {
		if (GET_FLAG(flags, PROT_SET)) VAL_SET_OPT(value, OPTS_LOCK);
		else VAL_CLR_OPT(value, OPTS_LOCK);
	}

	if (GET_FLAG(flags, PROT_HIDE)) {
		if GET_FLAG(flags, PROT_SET) VAL_SET_OPT(value, OPTS_HIDE);
		else VAL_CLR_OPT(value, OPTS_HIDE);
	}

/**
 * Get the flags associated with a format string
 * @param format The format string to search.
 * @param flags A pointer to flags that are turned on.
 * @return A pointer to the format string
 */
const char *_get_flags(const char *format, uchar *flags)
{
	uchar f;
	uchar done = 0;
	
	// start with no flags
	CLEAR_FLAGS(f, PRINTF_ALL);
	
	// skip past the % char
	++format;
	
	while(!done) {

		char ch = *format++;

		switch(ch) {
		case '-':
			// justify, overrides padding
			SET_FLAGS(f, PRINTF_JUSTIFY);
			CLEAR_FLAGS(f, PRINTF_PADDING);
			break;
		case '+':
			// sign, overrides space
			SET_FLAGS(f, PRINTF_SIGN);
			CLEAR_FLAGS(f, PRINTF_SPACE);
			break;
		case ' ':
			if(!GET_FLAG(f, PRINTF_SIGN)) {
				SET_FLAGS(f, PRINTF_SPACE);
			}
			break;
		case '#':
			SET_FLAGS(f, PRINTF_PREFIX);
			break;
		case '0':
			if(!GET_FLAG(f, PRINTF_JUSTIFY)) {
				SET_FLAGS(f, PRINTF_PADDING);
			}
			break;
		default:
			done = 1;
			--format;
		}
	}

	*flags = f;

	return format;
}

*/	REBCNT Find_Str_Char(REBSER *ser, REBCNT head, REBCNT index, REBCNT tail, REBINT skip, REBUNI c2, REBCNT flags)
/*
**		General purpose find a char in a string.
**
**		Supports: forward/reverse with skip, cased/uncase, Unicode/byte.
**
**		Skip can be set positive or negative (for reverse).
**
**		Flags are set according to ALL_FIND_REFS
**
***********************************************************************/
{
	REBUNI c1;
	REBOOL uncase = !GET_FLAG(flags, ARG_FIND_CASE-1); // uncase = case insenstive

	if (uncase && c2 < UNICODE_CASES) c2 = LO_CASE(c2);

	for (; index >= head && index < tail; index += skip) {

		c1 = GET_ANY_CHAR(ser, index);
		if (uncase && c1 < UNICODE_CASES) c1 = LO_CASE(c1);

		if (c1 == c2) return index;

		if GET_FLAG(flags, ARG_FIND_MATCH-1) break;
	}

	return NOT_FOUND;
}

*/	int OS_Quit_Devices(int flags)
/*
**		Terminate all devices in preparation to quit.
**
**		Allows devices to perform cleanup and resource freeing.
**
**		Set flags to zero for now. (May later be used to indicate
**		a device query check or a brute force quit.)
**
**		Returns: 0 for now.
**
***********************************************************************/
{
	int d;
	REBDEV *dev;

	for (d = RDI_MAX-1; d >= 0; d--) {
		dev = Devices[d];
		if (dev && GET_FLAG(dev->flags, RDF_INIT) && dev->commands[RDC_QUIT]) {
			dev->commands[RDC_QUIT]((REBREQ*)dev);
		}
	}

	return 0;
}

int
process_output (DESCRIPTOR_DATA * t)
{
  char i[MAX_STRING_LENGTH + 1];

  if (!t->prompt_mode && !t->connected && t->edit_index == -1)
    if (write_to_descriptor (t, "\r\n") < 0)
      return (-1);

  /* Cycle thru output queue */
  while (get_from_q (&t->output, i))
    {
      if (t->snoop.snoop_by && t->snoop.snoop_by->desc != NULL
	  && !IS_NPC (t->snoop.snoop_by))
	{
	  write_to_q ("% ", &t->snoop.snoop_by->desc->output);
	  write_to_q (i, &t->snoop.snoop_by->desc->output);
	}
      if (write_to_descriptor (t, i))
	return (-1);
    }

  if (!t->connected && !(t->character && !IS_NPC (t->character) &&
			 GET_FLAG (t->character, FLAG_COMPACT)))
    if (IS_SET (t->edit_mode, MODE_DONE_EDITING) && t->edit_index == -1)
      if (write_to_descriptor (t, "\r\n") < 0)
	return (-1);

  return (1);
}