wine/dlls/kernel32/term.c

474 lines
18 KiB
C

/*
* Interface to terminfo and termcap libraries
*
* Copyright 2010 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdlib.h>
#ifdef HAVE_NCURSES_H
# include <ncurses.h>
#elif defined(HAVE_CURSES_H)
# include <curses.h>
#endif
/* avoid redefinition warnings */
#undef KEY_EVENT
#undef MOUSE_MOVED
#if defined(HAVE_CURSES_H) || defined(HAVE_NCURSES_H)
#include <term.h>
#endif
#include <windef.h>
#include <winbase.h>
#include <winnls.h>
#include <wincon.h>
#include "console_private.h"
#include "wine/library.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(console);
static const int vkkeyscan_table[256] =
{
0,0,0,0,0,0,0,0,8,9,0,0,0,13,0,0,0,0,0,19,145,556,0,0,0,0,0,27,0,0,0,
0,32,305,478,307,308,309,311,222,313,304,312,443,188,189,190,191,48,
49,50,51,52,53,54,55,56,57,442,186,444,187,446,447,306,321,322,323,
324,325,326,327,328,329,330,331,332,333,334,335,336,337,338,339,340,
341,342,343,344,345,346,219,220,221,310,445,192,65,66,67,68,69,70,71,
72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,475,476,477,
448,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,400,0,0,0,0,0,0
};
static const int mapvkey_0[256] =
{
0,0,0,0,0,0,0,0,14,15,0,0,0,28,0,0,42,29,56,69,58,0,0,0,0,0,0,1,0,0,
0,0,57,73,81,79,71,75,72,77,80,0,0,0,55,82,83,0,11,2,3,4,5,6,7,8,9,
10,0,0,0,0,0,0,0,30,48,46,32,18,33,34,35,23,36,37,38,50,49,24,25,16,
19,31,20,22,47,17,45,21,44,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,55,78,0,74,
0,53,59,60,61,62,63,64,65,66,67,68,87,88,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,69,70,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,39,13,51,12,52,53,41,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,26,43,27,40,76,96,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
};
static inline void init_complex_char(INPUT_RECORD* ir, BOOL down, WORD vk, WORD kc, DWORD cks)
{
ir->EventType = KEY_EVENT;
ir->Event.KeyEvent.bKeyDown = down;
ir->Event.KeyEvent.wRepeatCount = 1;
ir->Event.KeyEvent.wVirtualScanCode = vk;
ir->Event.KeyEvent.wVirtualKeyCode = kc;
ir->Event.KeyEvent.dwControlKeyState = cks;
ir->Event.KeyEvent.uChar.UnicodeChar = 0;
}
/******************************************************************
* TERM_FillSimpleChar
*
*/
unsigned TERM_FillSimpleChar(WCHAR real_inchar, INPUT_RECORD* ir)
{
unsigned vk;
WCHAR inchar;
unsigned numEvent = 0;
DWORD cks = 0;
switch (real_inchar)
{
case 9: inchar = real_inchar;
real_inchar = 27; /* so that we don't think key is ctrl- something */
break;
case 13:
case 10: inchar = '\r';
real_inchar = 27; /* Fixme: so that we don't think key is ctrl- something */
break;
case 127: inchar = '\b';
break;
default:
inchar = real_inchar;
break;
}
vk = (inchar < 256) ? vkkeyscan_table[inchar] : 0;
if (vk & 0x0100)
init_complex_char(&ir[numEvent++], 1, 0x2a, 0x10, SHIFT_PRESSED);
if ((vk & 0x0200) || (unsigned char)real_inchar <= 26)
init_complex_char(&ir[numEvent++], 1, 0x1d, 0x11, LEFT_CTRL_PRESSED);
if (vk & 0x0400)
init_complex_char(&ir[numEvent++], 1, 0x38, 0x12, LEFT_ALT_PRESSED);
ir[numEvent].EventType = KEY_EVENT;
ir[numEvent].Event.KeyEvent.bKeyDown = 1;
ir[numEvent].Event.KeyEvent.wRepeatCount = 1;
ir[numEvent].Event.KeyEvent.dwControlKeyState = cks;
if (vk & 0x0100)
ir[numEvent].Event.KeyEvent.dwControlKeyState |= SHIFT_PRESSED;
if ((vk & 0x0200) || (unsigned char)real_inchar <= 26)
ir[numEvent].Event.KeyEvent.dwControlKeyState |= LEFT_CTRL_PRESSED;
if (vk & 0x0400)
ir[numEvent].Event.KeyEvent.dwControlKeyState |= LEFT_ALT_PRESSED;
ir[numEvent].Event.KeyEvent.wVirtualKeyCode = vk;
ir[numEvent].Event.KeyEvent.wVirtualScanCode = mapvkey_0[vk & 0x00ff]; /* VirtualKeyCodes to ScanCode */
ir[numEvent].Event.KeyEvent.uChar.UnicodeChar = inchar;
ir[numEvent + 1] = ir[numEvent];
ir[numEvent + 1].Event.KeyEvent.bKeyDown = 0;
numEvent += 2;
if (vk & 0x0400)
init_complex_char(&ir[numEvent++], 0, 0x38, 0x12, LEFT_ALT_PRESSED);
if ((vk & 0x0200) || (unsigned char)real_inchar <= 26)
init_complex_char(&ir[numEvent++], 0, 0x1d, 0x11, 0);
if (vk & 0x0100)
init_complex_char(&ir[numEvent++], 0, 0x2a, 0x10, 0);
return numEvent;
}
#if defined(SONAME_LIBCURSES) || defined(SONAME_LIBNCURSES)
#ifdef HAVE_NCURSES_H
# define CURSES_NAME "ncurses"
#else
# define CURSES_NAME "curses"
#endif
static void *nc_handle = NULL;
#define MAKE_FUNCPTR(f) static typeof(f) * p_##f;
MAKE_FUNCPTR(putp)
MAKE_FUNCPTR(setupterm)
MAKE_FUNCPTR(tigetstr)
MAKE_FUNCPTR(tparm)
#undef MAKE_FUNCPTR
/**********************************************************************/
static BOOL TERM_bind_libcurses(void)
{
#ifdef SONAME_LIBNCURSES
static const char ncname[] = SONAME_LIBNCURSES;
#else
static const char ncname[] = SONAME_LIBCURSES;
#endif
if (!(nc_handle = wine_dlopen(ncname, RTLD_NOW, NULL, 0)))
{
WINE_MESSAGE("Wine cannot find the " CURSES_NAME " library (%s).\n",
ncname);
return FALSE;
}
#define LOAD_FUNCPTR(f) \
if((p_##f = wine_dlsym(nc_handle, #f, NULL, 0)) == NULL) \
{ \
WINE_WARN("Can't find symbol %s\n", #f); \
goto sym_not_found; \
}
LOAD_FUNCPTR(putp)
LOAD_FUNCPTR(setupterm)
LOAD_FUNCPTR(tigetstr)
LOAD_FUNCPTR(tparm)
#undef LOAD_FUNCPTR
return TRUE;
sym_not_found:
WINE_MESSAGE(
"Wine cannot find certain functions that it needs inside the "
CURSES_NAME "\nlibrary. To enable Wine to use " CURSES_NAME
" please upgrade your " CURSES_NAME "\nlibraries\n");
wine_dlclose(nc_handle, NULL, 0);
nc_handle = NULL;
return FALSE;
}
#define putp p_putp
#define setupterm p_setupterm
#define tigetstr p_tigetstr
#define tparm p_tparm
struct dbkey_descr
{
enum dbkey_kind {dbk_simple, dbk_complex} kind;
DWORD_PTR p1;
DWORD_PTR p2;
DWORD_PTR p3;
};
struct dbkey_init
{
const char* string_normal;
const char* string_xterm;
struct dbkey_descr descr;
};
static struct dbkey_init TERM_dbkey_init[] = {
{"kcud1", "kDN", {dbk_complex, 0x50, 0x28, 0}},
{"kcuu1", "kUP", {dbk_complex, 0x48, 0x26, 0}},
{"kcub1", "kLFT", {dbk_complex, 0x4b, 0x25, 0}},
{"kcuf1", "kRIT", {dbk_complex, 0x4d, 0x27, 0}},
{"khome", "kHOM", {dbk_complex, 0x47, 0x24, 0}},
{"kbs", NULL, {dbk_simple, 0x7f, 0x00, 0}},
{"kf1", NULL, {dbk_complex, 0x3b, 0x70, 0}},
{"kf2", NULL, {dbk_complex, 0x3c, 0x71, 0}},
{"kf3", NULL, {dbk_complex, 0x3d, 0x72, 0}},
{"kf4", NULL, {dbk_complex, 0x3e, 0x73, 0}},
{"kf5", NULL, {dbk_complex, 0x3f, 0x74, 0}},
{"kf6", NULL, {dbk_complex, 0x40, 0x75, 0}},
{"kf7", NULL, {dbk_complex, 0x41, 0x76, 0}},
{"kf8", NULL, {dbk_complex, 0x42, 0x77, 0}},
{"kf9", NULL, {dbk_complex, 0x43, 0x78, 0}},
{"kf10", NULL, {dbk_complex, 0x44, 0x79, 0}},
{"kf11", NULL, {dbk_complex, 0xd9, 0x7a, 0}},
{"kf12", NULL, {dbk_complex, 0xda, 0x7b, 0}},
{"kf13", NULL, {dbk_complex, 0x3b, 0x70, SHIFT_PRESSED}},
{"kf14", NULL, {dbk_complex, 0x3c, 0x71, SHIFT_PRESSED}},
{"kf15", NULL, {dbk_complex, 0x3d, 0x72, SHIFT_PRESSED}},
{"kf16", NULL, {dbk_complex, 0x3e, 0x73, SHIFT_PRESSED}},
{"kf17", NULL, {dbk_complex, 0x3f, 0x74, SHIFT_PRESSED}},
{"kf18", NULL, {dbk_complex, 0x40, 0x75, SHIFT_PRESSED}},
{"kf19", NULL, {dbk_complex, 0x41, 0x76, SHIFT_PRESSED}},
{"kf20", NULL, {dbk_complex, 0x42, 0x77, SHIFT_PRESSED}},
{"kf21", NULL, {dbk_complex, 0x43, 0x78, SHIFT_PRESSED}},
{"kf22", NULL, {dbk_complex, 0x44, 0x79, SHIFT_PRESSED}},
{"kf23", NULL, {dbk_complex, 0xd9, 0x7a, SHIFT_PRESSED}},
{"kf24", NULL, {dbk_complex, 0xda, 0x7b, SHIFT_PRESSED}},
{"kf25", NULL, {dbk_complex, 0x3b, 0x70, LEFT_CTRL_PRESSED}},
{"kf26", NULL, {dbk_complex, 0x3c, 0x71, LEFT_CTRL_PRESSED}},
{"kf27", NULL, {dbk_complex, 0x3d, 0x72, LEFT_CTRL_PRESSED}},
{"kf28", NULL, {dbk_complex, 0x3e, 0x73, LEFT_CTRL_PRESSED}},
{"kf29", NULL, {dbk_complex, 0x3f, 0x74, LEFT_CTRL_PRESSED}},
{"kf30", NULL, {dbk_complex, 0x40, 0x75, LEFT_CTRL_PRESSED}},
{"kf31", NULL, {dbk_complex, 0x41, 0x76, LEFT_CTRL_PRESSED}},
{"kf32", NULL, {dbk_complex, 0x42, 0x77, LEFT_CTRL_PRESSED}},
{"kf33", NULL, {dbk_complex, 0x43, 0x78, LEFT_CTRL_PRESSED}},
{"kf34", NULL, {dbk_complex, 0x44, 0x79, LEFT_CTRL_PRESSED}},
{"kf35", NULL, {dbk_complex, 0xd9, 0x7a, LEFT_CTRL_PRESSED}},
{"kf36", NULL, {dbk_complex, 0xda, 0x7b, LEFT_CTRL_PRESSED}},
{"kf37", NULL, {dbk_complex, 0x3b, 0x70, LEFT_CTRL_PRESSED|SHIFT_PRESSED}},
{"kf38", NULL, {dbk_complex, 0x3c, 0x71, LEFT_CTRL_PRESSED|SHIFT_PRESSED}},
{"kf39", NULL, {dbk_complex, 0x3d, 0x72, LEFT_CTRL_PRESSED|SHIFT_PRESSED}},
{"kf40", NULL, {dbk_complex, 0x3e, 0x73, LEFT_CTRL_PRESSED|SHIFT_PRESSED}},
{"kf41", NULL, {dbk_complex, 0x3f, 0x74, LEFT_CTRL_PRESSED|SHIFT_PRESSED}},
{"kf42", NULL, {dbk_complex, 0x40, 0x75, LEFT_CTRL_PRESSED|SHIFT_PRESSED}},
{"kf43", NULL, {dbk_complex, 0x41, 0x76, LEFT_CTRL_PRESSED|SHIFT_PRESSED}},
{"kf44", NULL, {dbk_complex, 0x42, 0x77, LEFT_CTRL_PRESSED|SHIFT_PRESSED}},
{"kf45", NULL, {dbk_complex, 0x43, 0x78, LEFT_CTRL_PRESSED|SHIFT_PRESSED}},
{"kf46", NULL, {dbk_complex, 0x44, 0x79, LEFT_CTRL_PRESSED|SHIFT_PRESSED}},
{"kf47", NULL, {dbk_complex, 0xd9, 0x7a, LEFT_CTRL_PRESSED|SHIFT_PRESSED}},
{"kf48", NULL, {dbk_complex, 0xda, 0x7b, LEFT_CTRL_PRESSED|SHIFT_PRESSED}},
{"kf49", NULL, {dbk_complex, 0x3b, 0x70, LEFT_ALT_PRESSED}},
{"kf50", NULL, {dbk_complex, 0x3c, 0x71, LEFT_ALT_PRESSED}},
{"kf51", NULL, {dbk_complex, 0x3d, 0x72, LEFT_ALT_PRESSED}},
{"kf52", NULL, {dbk_complex, 0x3e, 0x73, LEFT_ALT_PRESSED}},
{"kf53", NULL, {dbk_complex, 0x3f, 0x74, LEFT_ALT_PRESSED}},
{"kf54", NULL, {dbk_complex, 0x40, 0x75, LEFT_ALT_PRESSED}},
{"kf55", NULL, {dbk_complex, 0x41, 0x76, LEFT_ALT_PRESSED}},
{"kf56", NULL, {dbk_complex, 0x42, 0x77, LEFT_ALT_PRESSED}},
{"kf57", NULL, {dbk_complex, 0x43, 0x78, LEFT_ALT_PRESSED}},
{"kf58", NULL, {dbk_complex, 0x44, 0x79, LEFT_ALT_PRESSED}},
{"kf59", NULL, {dbk_complex, 0xd9, 0x7a, LEFT_ALT_PRESSED}},
{"kf60", NULL, {dbk_complex, 0xda, 0x7b, LEFT_ALT_PRESSED}},
{"kf61", NULL, {dbk_complex, 0x3b, 0x70, LEFT_ALT_PRESSED|SHIFT_PRESSED}},
{"kf62", NULL, {dbk_complex, 0x3c, 0x71, LEFT_ALT_PRESSED|SHIFT_PRESSED}},
{"kf63", NULL, {dbk_complex, 0x3d, 0x72, LEFT_ALT_PRESSED|SHIFT_PRESSED}},
{"kdch1", "kDC", {dbk_complex, 0x53, 0x2e, 0}},
{"kich1", "kIC", {dbk_complex, 0x52, 0x2d, 0}},
{"knp", "kNXT", {dbk_complex, 0x51, 0x22, 0}},
{"kpp", "kPRV", {dbk_complex, 0x49, 0x21, 0}},
{"kcbt", NULL, {dbk_simple, 0x09, 0x00, SHIFT_PRESSED}},
{"kend", "kEND", {dbk_complex, 0x4f, 0x23, 0}},
/* {"kmous", NULL, }, */
/* Still some keys to manage:
KEY_DL KEY_IL KEY_EIC KEY_CLEAR KEY_EOS
KEY_EOL KEY_SF KEY_SR KEY_STAB KEY_CTAB
KEY_CATAB KEY_ENTER KEY_SRESET KEY_RESET KEY_PRINT
KEY_LL KEY_A1 KEY_A3 KEY_B2 KEY_C1
KEY_C3 KEY_BEG KEY_CANCEL KEY_CLOSE KEY_COMMAND
KEY_COPY KEY_CREATE KEY_EXIT KEY_FIND KEY_HELP
KEY_MARK KEY_MESSAGE KEY_MOVE KEY_NEXT KEY_OPEN
KEY_OPTIONS KEY_PREVIOUS KEY_REDO KEY_REFERENCE KEY_REFRESH
KEY_REPLACE KEY_RESTART KEY_RESUME KEY_SAVE KEY_SBEG
KEY_SCANCEL KEY_SCOMMAND KEY_SCOPY KEY_SCREATE KEY_RESIZE
KEY_SDL KEY_SELECT KEY_SEOL KEY_SEXIT KEY_SFIND
KEY_SHELP KEY_SMESSAGE KEY_SMOVE KEY_SNEXT KEY_SOPTIONS
KEY_SPREVIOUS KEY_SPRINT KEY_SREDO KEY_SREPLACE KEY_SRSUME
KEY_SSAVE KEY_SSUSPEND KEY_SUNDO KEY_SUSPEND KEY_UNDO
*/
};
struct dbkey_pair
{
const char* string;
unsigned string_len;
struct dbkey_descr descr;
};
static struct dbkey_pair* TERM_dbkey;
static unsigned TERM_dbkey_size;
static unsigned TERM_dbkey_index;
static int TERM_dbkey_cmp(const void* p1, const void* p2)
{
const struct dbkey_pair* kp1 = p1;
const struct dbkey_pair* kp2 = p2;
return strcmp(kp1->string, kp2->string);
}
static BOOL TERM_AddKeyDescr(const char* string, struct dbkey_descr* descr)
{
if (!string || string == (const char*)-1) return TRUE;
if (!TERM_dbkey)
{
TERM_dbkey_size = 32;
TERM_dbkey = HeapAlloc(GetProcessHeap(), 0, TERM_dbkey_size * sizeof(struct dbkey_pair));
if (!TERM_dbkey) return FALSE;
}
if (TERM_dbkey_index == TERM_dbkey_size)
{
struct dbkey_pair* new;
new = HeapReAlloc(GetProcessHeap(), 0, TERM_dbkey, (2 * TERM_dbkey_size) * sizeof(struct dbkey_pair));
if (!new) return FALSE;
TERM_dbkey = new;
TERM_dbkey_size *= 2;
}
TERM_dbkey[TERM_dbkey_index].string = string;
TERM_dbkey[TERM_dbkey_index].string_len = strlen(string);
TERM_dbkey[TERM_dbkey_index].descr = *descr;
TERM_dbkey_index++;
return TRUE;
}
static BOOL TERM_BuildKeyDB(void)
{
unsigned i, j, len;
struct dbkey_descr descr;
char tmp[64];
for (i = 0; i < sizeof(TERM_dbkey_init) / sizeof(TERM_dbkey_init[0]); i++)
{
if (!TERM_AddKeyDescr(tigetstr((char *)TERM_dbkey_init[i].string_normal), &TERM_dbkey_init[i].descr))
return FALSE;
if (TERM_dbkey_init[i].string_xterm)
{
descr = TERM_dbkey_init[i].descr;
strcpy(tmp, TERM_dbkey_init[i].string_xterm);
len = strlen(tmp);
tmp[len + 1] = '\0';
#define X(v, f) do { tmp[len] = v; descr.p3 = (f); if (!TERM_AddKeyDescr(tigetstr(tmp), &descr)) return FALSE; } while (0)
X('\0', SHIFT_PRESSED);
X('3', LEFT_ALT_PRESSED);
X('4', SHIFT_PRESSED | LEFT_ALT_PRESSED);
X('5', LEFT_CTRL_PRESSED);
X('6', LEFT_CTRL_PRESSED|SHIFT_PRESSED);
X('7', LEFT_CTRL_PRESSED|LEFT_ALT_PRESSED);
X('8', LEFT_CTRL_PRESSED|LEFT_ALT_PRESSED|SHIFT_PRESSED);
#undef X
}
}
for (i = 0; i < TERM_dbkey_index; i++)
{
for (j = 0; j < TERM_dbkey_index; j++)
{
if (i != j &&
TERM_dbkey[i].string_len >= TERM_dbkey[j].string_len &&
!memcmp(TERM_dbkey[i].string, TERM_dbkey[j].string, TERM_dbkey[j].string_len))
FIXME("substring %d/%s %d/%s\n", i, TERM_dbkey[i].string, j, TERM_dbkey[j].string);
}
}
qsort(TERM_dbkey, TERM_dbkey_index, sizeof(TERM_dbkey[0]), TERM_dbkey_cmp);
return TRUE;
}
static BOOL TERM_init_done /* = FALSE */;
BOOL TERM_Init(void)
{
/* if we're not attached to a tty, don't fire the curses support */
if (!isatty(0) || !isatty(1)) return FALSE;
if (!getenv("TERM")) return FALSE;
if (!TERM_bind_libcurses()) return FALSE;
if (setupterm(NULL, 1 /* really ?? */, NULL) == -1) return FALSE;
TERM_init_done = TRUE;
TERM_BuildKeyDB();
/* set application key mode */
putp(tigetstr((char *)"smkx"));
return TRUE;
}
BOOL TERM_Exit(void)
{
if (TERM_init_done)
{
/* put back the cursor key mode */
putp(tigetstr((char *)"rmkx"));
}
return TRUE;
}
/* -1 not found, 0 cannot decide, > 0 found */
int TERM_FillInputRecord(const char* in, size_t len, INPUT_RECORD* ir)
{
int low = 0, high = TERM_dbkey_index - 1, mid, res;
struct dbkey_descr* found;
while (low <= high)
{
mid = low + (high - low) / 2;
res = memcmp(in, TERM_dbkey[mid].string, len);
if (!res)
{
if (len < TERM_dbkey[mid].string_len) return 0;
found = &TERM_dbkey[mid].descr;
switch (found->kind)
{
case dbk_simple:
return TERM_FillSimpleChar(found->p1, ir);
case dbk_complex:
init_complex_char(&ir[0], 1, found->p1, found->p2, ENHANCED_KEY | found->p3);
init_complex_char(&ir[1], 0, found->p1, found->p2, ENHANCED_KEY | found->p3);
return 2;
}
return -1;
}
else if (res < 0) high = mid - 1;
else low = mid + 1;
}
return -1;
}
#else
BOOL TERM_Init(void) {return FALSE;}
BOOL TERM_Exit(void) {return FALSE;}
int TERM_FillInputRecord(const char* in, size_t len, INPUT_RECORD* ir) {return -1;}
#endif