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extra.c
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extra.c
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/*
* R : A Computer Language for Statistical Data Analysis
* file extra.c
* Copyright (C) 1998--2003 Guido Masarotto and Brian Ripley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* extra commands for R */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include "Defn.h"
#include "Fileio.h"
#include <io.h>
#include <direct.h>
#include <time.h>
#include <windows.h>
#include "graphapp/ga.h"
#include "rui.h"
char * R_tmpnam(const char * prefix, const char * tempdir)
{
char tm[MAX_PATH], tmp1[MAX_PATH], *res;
unsigned int n, done = 0;
WIN32_FIND_DATA fd;
HANDLE h;
if(!prefix) prefix = ""; /* NULL */
strcpy(tmp1, tempdir);
for (n = 0; n < 100; n++) {
/* try a random number at the end */
sprintf(tm, "%s\\%s%d", tmp1, prefix, rand());
if ((h = FindFirstFile(tm, &fd)) == INVALID_HANDLE_VALUE) {
done = 1;
break;
}
FindClose(h);
tm[0] = '\0';
}
if(!done)
error("cannot find unused tempfile name");
res = (char *) malloc((strlen(tm)+1) * sizeof(char));
strcpy(res, tm);
return res;
}
SEXP do_dircreate(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP path, ans;
char *p, dir[MAX_PATH];
int res;
checkArity(op, args);
path = CAR(args);
if (!isString(path) || length(path) != 1)
errorcall(call, "invalid path argument");
strcpy(dir, CHAR(STRING_ELT(path, 0)));
for(p = dir; *p != '\0'; p++)
if(*p == '/') *p = '\\';
res = mkdir(dir);
PROTECT(ans = allocVector(LGLSXP, 1));
LOGICAL(ans)[0] = (res==0);
UNPROTECT(1);
return (ans);
}
#include <sys/types.h>
#include <sys/stat.h>
static int R_unlink(char *names, int recursive);
static int R_unlink_one(char *dir, char *name, int recursive)
{
char tmp[MAX_PATH];
if(strcmp(name, ".") == 0) return 0;
if(strcmp(name, "..") == 0) return 0;
if(strlen(dir)) {
strcpy(tmp, dir);
if(*(dir + strlen(dir) - 1) != '\\') strcat(tmp, "\\");
strcat(tmp, name);
} else strcpy(tmp, name);
return (recursive ? R_unlink(tmp, 1): unlink(tmp)) !=0;
}
static int R_unlink(char *names, int recursive)
{
int failures = 0;
char *p, tmp[MAX_PATH], dir[MAX_PATH];
WIN32_FIND_DATA find_data;
HANDLE fh;
struct stat sb;
strcpy(tmp, names);
for(p = tmp; *p != '\0'; p++) if(*p == '/') *p = '\\';
if(stat(tmp, &sb) == 0) {
/* Is this a directory? */
if(sb.st_mode & _S_IFDIR) {
if(recursive) {
strcpy(dir, tmp); strcat(tmp, "\\*");
fh = FindFirstFile(tmp, &find_data);
if (fh != INVALID_HANDLE_VALUE) {
failures += R_unlink_one(dir, find_data.cFileName, 1);
while(FindNextFile(fh, &find_data))
failures += R_unlink_one(dir, find_data.cFileName, 1);
FindClose(fh);
}
if(rmdir(dir)) failures++;
} else failures++; /* don't try to delete dirs */
} else {/* Regular file (or several) */
strcpy(dir, tmp);
if ((p = strrchr(dir, '\\'))) *(++p) = '\0'; else *dir = '\0';
/* check for wildcard matches */
fh = FindFirstFile(tmp, &find_data);
if (fh != INVALID_HANDLE_VALUE) {
failures += R_unlink_one(dir, find_data.cFileName, 0);
while(FindNextFile(fh, &find_data))
failures += R_unlink_one(dir, find_data.cFileName, 0);
FindClose(fh);
}
}
}
return failures;
}
SEXP do_unlink(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP fn, ans;
int i, nfiles, failures = 0, recursive;
checkArity(op, args);
fn = CAR(args);
nfiles = length(fn);
if (!isString(fn) || nfiles < 1)
errorcall(call, "invalid file name argument");
recursive = asLogical(CADR(args));
if (recursive == NA_LOGICAL)
errorcall(call, "invalid recursive argument");
for(i = 0; i < nfiles; i++)
failures += R_unlink(CHAR(STRING_ELT(fn, i)), recursive);
PROTECT(ans = allocVector(INTSXP, 1));
if (!failures)
INTEGER(ans)[0] = 0;
else
INTEGER(ans)[0] = 1;
UNPROTECT(1);
return (ans);
}
SEXP do_helpstart(SEXP call, SEXP op, SEXP args, SEXP env)
{
char *home, buf[MAX_PATH];
FILE *ff;
checkArity(op, args);
home = getenv("R_HOME");
if (home == NULL)
error("R_HOME not set");
sprintf(buf, "%s\\doc\\html\\rwin.html", home);
ff = fopen(buf, "r");
if (!ff) {
sprintf(buf, "%s\\doc\\html\\rwin.htm", home);
ff = fopen(buf, "r");
if (!ff) {
sprintf(buf, "%s\\doc\\html\\rwin.htm[l] not found", home);
error(buf);
}
}
fclose(ff);
ShellExecute(NULL, "open", buf, NULL, home, SW_SHOW);
return R_NilValue;
}
static int nhfiles = 0;
static char *hfiles[50];
SEXP do_helpitem(SEXP call, SEXP op, SEXP args, SEXP env)
{
/*
* type = 1: launch html file.
* 2: "topic", 2, Windows help file.
* 3: notify are finished with the help file.
*/
char *item, *hfile;
char *home, buf[MAX_PATH];
FILE *ff;
int type;
checkArity(op, args);
if (!isString(CAR(args)))
errorcall(call, "invalid topic argument");
item = CHAR(STRING_ELT(CAR(args), 0));
type = asInteger(CADR(args));
if (type == 1) {
ff = fopen(item, "r");
if (!ff) {
sprintf(buf, "%s not found", item);
error(buf);
}
fclose(ff);
home = getenv("R_HOME");
if (home == NULL)
error("R_HOME not set");
ShellExecute(NULL, "open", item, NULL, home, SW_SHOW);
} else if (type == 2) {
if (!isString(CADDR(args)))
errorcall(call, "invalid hlpfile argument");
hfile = CHAR(STRING_ELT(CADDR(args), 0));
if (!WinHelp((HWND) 0, hfile, HELP_KEY, (DWORD) item))
warning("WinHelp call failed");
else {
if (nhfiles >= 50)
error("too many .hlp files opened");
hfiles[nhfiles] = malloc(strlen(hfile) * sizeof(char));
strcpy(hfiles[nhfiles++], hfile);
}
} else if (type == 3) {
if (!isString(CADDR(args)))
warningcall(call, "invalid hlpfile argument");
hfile = CHAR(STRING_ELT(CADDR(args), 0));
if (!WinHelp((HWND) 0, hfile, HELP_QUIT, (DWORD) 0))
error("WinHelp call failed");
} else
warning("type not yet implemented");
return R_NilValue;
}
void closeAllHlpFiles()
{
int i;
for (i = nhfiles - 1; i >= 0; i--)
WinHelp((HWND) 0, hfiles[i], HELP_QUIT, (DWORD) 0);
}
SEXP do_flushconsole(SEXP call, SEXP op, SEXP args, SEXP env)
{
R_FlushConsole();
return R_NilValue;
}
#include <winbase.h>
/* typedef struct _OSVERSIONINFO{
DWORD dwOSVersionInfoSize;
DWORD dwMajorVersion;
DWORD dwMinorVersion;
DWORD dwBuildNumber;
DWORD dwPlatformId;
TCHAR szCSDVersion[ 128 ];
} OSVERSIONINFO; */
/* defined in w32api 1.2, but not in 1.1 or earlier */
#ifndef VER_NT_WORKSTATION
#define VER_NT_WORKSTATION 0x0000001
#define VER_NT_DOMAIN_CONTROLLER 0x0000002
#define VER_NT_SERVER 0x0000003
#define VER_SERVER_NT 0x80000000
#define VER_WORKSTATION_NT 0x40000000
#define VER_SUITE_SMALLBUSINESS 0x00000001
#define VER_SUITE_ENTERPRISE 0x00000002
#define VER_SUITE_BACKOFFICE 0x00000004
#define VER_SUITE_COMMUNICATIONS 0x00000008
#define VER_SUITE_TERMINAL 0x00000010
#define VER_SUITE_SMALLBUSINESS_RESTRICTED 0x00000020
#define VER_SUITE_EMBEDDEDNT 0x00000040
#define VER_SUITE_DATACENTER 0x00000080
#define VER_SUITE_SINGLEUSERTS 0x00000100
#define VER_SUITE_PERSONAL 0x00000200
typedef struct _OSVERSIONINFOEX {
DWORD dwOSVersionInfoSize;
DWORD dwMajorVersion;
DWORD dwMinorVersion;
DWORD dwBuildNumber;
DWORD dwPlatformId;
TCHAR szCSDVersion[ 128 ];
WORD wServicePackMajor;
WORD wServicePackMinor;
WORD wSuiteMask;
BYTE wProductType;
BYTE wReserved;
} OSVERSIONINFOEX;
#endif
/* next is from Nov 2001 Platform SDK */
#ifndef VER_SUITE_BLADE
#define VER_SUITE_BLADE 0x00000400
#endif
SEXP do_winver(SEXP call, SEXP op, SEXP args, SEXP env)
{
char isNT[8]="??", ver[256];
SEXP ans;
OSVERSIONINFO verinfo;
checkArity(op, args);
verinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&verinfo);
switch(verinfo.dwPlatformId) {
case VER_PLATFORM_WIN32_NT:
strcpy(isNT, "NT");
break;
case VER_PLATFORM_WIN32_WINDOWS:
switch(verinfo.dwMinorVersion ) {
case 0:
strcpy(isNT, "95");
if (verinfo.szCSDVersion[1] == 'C') strcat(isNT, " OSR2" );
break;
case 10:
strcpy(isNT, "98");
if (verinfo.szCSDVersion[1] == 'A') strcat(isNT, " SE" );
break;
case 90:
strcpy(isNT, "ME");
break;
default:
strcpy(isNT, "9x");
}
break;
case VER_PLATFORM_WIN32s:
strcpy(isNT, "win32s");
break;
default:
sprintf(isNT, "ID=%d", (int)verinfo.dwPlatformId);
break;
}
if((int)verinfo.dwMajorVersion >= 5) {
OSVERSIONINFOEX osvi;
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
if(GetVersionEx((OSVERSIONINFO *)&osvi)) {
char tmp[]="", *desc= tmp, *type = tmp;
if(osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0)
desc = "2000";
if(osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)
desc = "XP";
if ( osvi.wProductType == VER_NT_WORKSTATION ) {
if( osvi.wSuiteMask & VER_SUITE_PERSONAL )
type = "Home Edition";
else
type = "Professional";
} else if ( osvi.wProductType == VER_NT_SERVER )
{
if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1 )
desc = ".NET";
if( osvi.wSuiteMask & VER_SUITE_DATACENTER )
type = "DataCenter Server";
else if( osvi.wSuiteMask & VER_SUITE_ENTERPRISE )
type = "Advanced Server";
else if ( osvi.wSuiteMask == VER_SUITE_BLADE )
type = "Web Server";
else
type = "Server";
}
sprintf(ver,
"Windows %s %s (build %d) Service Pack %d.%d",
desc, type,
LOWORD(osvi.dwBuildNumber),
(int)osvi.wServicePackMajor,
(int)osvi.wServicePackMinor);
} else {
sprintf(ver, "Windows 2000 %d.%d (build %d) %s",
(int)verinfo.dwMajorVersion, (int)verinfo.dwMinorVersion,
LOWORD(verinfo.dwBuildNumber), verinfo.szCSDVersion);
}
} else {
sprintf(ver, "Windows %s %d.%d (build %d) %s", isNT,
(int)verinfo.dwMajorVersion, (int)verinfo.dwMinorVersion,
LOWORD(verinfo.dwBuildNumber), verinfo.szCSDVersion);
}
PROTECT(ans = allocVector(STRSXP, 1));
SET_STRING_ELT(ans, 0, mkChar(ver));
UNPROTECT(1);
return (ans);
}
void internal_shellexec(char * file)
{
char *home, buf[MAX_PATH];
home = getenv("R_HOME");
if (home == NULL)
error("R_HOME not set");
strcpy(buf, file);
ShellExecute(NULL, "open", buf, NULL, home, SW_SHOW);
}
SEXP do_shellexec(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP file;
checkArity(op, args);
file = CAR(args);
if (!isString(file) || length(file) != 1)
errorcall(call, "invalid file argument");
internal_shellexec(CHAR(STRING_ELT(file, 0)));
return R_NilValue;
}
int check_doc_file(char * file)
{
char *home, path[MAX_PATH];
struct stat sb;
home = getenv("R_HOME");
if (home == NULL)
error("R_HOME not set");
strcpy(path, home);
strcat(path, "/");
strcat(path, file);
return stat(path, &sb) == 0;
}
SEXP do_windialog(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP message, ans;
char * type;
int res=YES;
checkArity(op, args);
type = CHAR(STRING_ELT(CAR(args), 0));
message = CADR(args);
if(!isString(message) || length(message) != 1)
error("invalid `message' argument");
if (strcmp(type, "ok") == 0) {
askok(CHAR(STRING_ELT(message, 0)));
res = 10;
} else if (strcmp(type, "okcancel") == 0) {
res = askokcancel(CHAR(STRING_ELT(message, 0)));
if(res == YES) res = 2;
} else if (strcmp(type, "yesno") == 0) {
res = askyesno(CHAR(STRING_ELT(message, 0)));
} else if (strcmp(type, "yesnocancel") == 0) {
res = askyesnocancel(CHAR(STRING_ELT(message, 0)));
} else
errorcall(call, "unknown type");
ans = allocVector(INTSXP, 1);
INTEGER(ans)[0] = res;
return (ans);
}
SEXP do_windialogstring(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP message, def, ans;
char *string;
checkArity(op, args);
message = CAR(args);
if(!isString(message) || length(message) != 1)
error("invalid `message' argument");
def = CADR(args);
if(!isString(def) || length(def) != 1)
error("invalid `default' argument");
string = askstring(CHAR(STRING_ELT(message, 0)), CHAR(STRING_ELT(def, 0)));
if (string) {
ans = allocVector(STRSXP, 1);
SET_STRING_ELT(ans, 0, mkChar(string));
return (ans);
} else
return (R_NilValue);
}
#include "Startup.h"
extern UImode CharacterMode;
static char msgbuf[256];
SEXP do_winmenuadd(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP smenu, sitem;
int res;
char errmsg[50];
checkArity(op, args);
if (CharacterMode != RGui)
errorcall(call, "Menu functions can only be used in the GUI");
smenu = CAR(args);
if(!isString(smenu) || length(smenu) != 1)
error("invalid `menuname' argument");
sitem = CADR(args);
if (isNull(sitem)) { /* add a menu */
res = winaddmenu (CHAR(STRING_ELT(smenu, 0)), errmsg);
if (res > 0) {
sprintf(msgbuf, "unable to add menu (%s)", errmsg);
errorcall(call, msgbuf);
}
} else { /* add an item */
if(!isString(sitem) || length(sitem) != 1)
error("invalid `itemname' argument");
res = winaddmenuitem (CHAR(STRING_ELT(sitem, 0)),
CHAR(STRING_ELT(smenu, 0)),
CHAR(STRING_ELT(CADDR(args), 0)),
errmsg);
if (res > 0) {
sprintf(msgbuf, "unable to add menu item (%s)", errmsg);
errorcall(call, msgbuf);
}
}
return (R_NilValue);
}
SEXP do_winmenudel(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP smenu, sitem;
int res;
char errmsg[50];
checkArity(op, args);
if (CharacterMode != RGui)
errorcall(call, "Menu functions can only be used in the GUI");
smenu = CAR(args);
if(!isString(smenu) || length(smenu) != 1)
error("invalid `menuname' argument");
sitem = CADR(args);
if (isNull(sitem)) { /* delete a menu */
res = windelmenu (CHAR(STRING_ELT(smenu, 0)), errmsg);
if (res > 0)
errorcall(call, "menu does not exist");
} else { /* delete an item */
if(!isString(sitem) || length(sitem) != 1)
error("invalid `itemname' argument");
res = windelmenuitem (CHAR(STRING_ELT(sitem, 0)),
CHAR(STRING_ELT(smenu, 0)), errmsg);
if (res > 0) {
sprintf(msgbuf, "unable to delete menu item (%s)", errmsg);
errorcall(call, msgbuf);
}
}
return (R_NilValue);
}
void Rwin_fpset()
{
_fpreset();
_controlfp(_MCW_EM, _MCW_EM);
_controlfp(_PC_64, _MCW_PC);
}
#include "getline/getline.h" /* for gl_load/savehistory */
SEXP do_savehistory(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP sfile;
checkArity(op, args);
sfile = CAR(args);
if (!isString(sfile) || LENGTH(sfile) < 1)
errorcall(call, "invalid file argument");
if (CharacterMode == RGui || (R_Interactive && CharacterMode == RTerm))
gl_savehistory(CHAR(STRING_ELT(sfile, 0)));
else
errorcall(call, "savehistory can only be used in Rgui and Rterm");
return R_NilValue;
}
SEXP do_loadhistory(SEXP call, SEXP op, SEXP args, SEXP env)
{
SEXP sfile;
checkArity(op, args);
sfile = CAR(args);
if (!isString(sfile) || LENGTH(sfile) < 1)
errorcall(call, "invalid file argument");
if (CharacterMode == RGui || (R_Interactive && CharacterMode == RTerm))
gl_loadhistory(CHAR(STRING_ELT(sfile, 0)));
else
errorcall(call, "savehistory can only be used in Rgui and Rterm");
return R_NilValue;
}
#include <lmcons.h>
SEXP do_sysinfo(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP ans, ansnames;
OSVERSIONINFO verinfo;
char isNT[8]="??", ver[256],
name[MAX_COMPUTERNAME_LENGTH + 1], user[UNLEN+1];
DWORD namelen = MAX_COMPUTERNAME_LENGTH + 1, userlen = UNLEN+1;
checkArity(op, args);
PROTECT(ans = allocVector(STRSXP, 7));
verinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&verinfo);
switch(verinfo.dwPlatformId) {
case VER_PLATFORM_WIN32_NT:
strcpy(isNT, "NT");
break;
case VER_PLATFORM_WIN32_WINDOWS:
strcpy(isNT, "9x");
break;
case VER_PLATFORM_WIN32s:
strcpy(isNT, "win32s");
break;
default:
sprintf(isNT, "ID=%d", (int)verinfo.dwPlatformId);
break;
}
SET_STRING_ELT(ans, 0, mkChar("Windows"));
sprintf(ver, "%s %d.%d", isNT,
(int)verinfo.dwMajorVersion, (int)verinfo.dwMinorVersion);
SET_STRING_ELT(ans, 1, mkChar(ver));
sprintf(ver, "(build %d) %s", LOWORD(verinfo.dwBuildNumber),
verinfo.szCSDVersion);
SET_STRING_ELT(ans, 2, mkChar(ver));
GetComputerName(name, &namelen);
SET_STRING_ELT(ans, 3, mkChar(name));
SET_STRING_ELT(ans, 4, mkChar("x86"));
GetUserName(user, &userlen);
SET_STRING_ELT(ans, 5, mkChar(user));
SET_STRING_ELT(ans, 6, STRING_ELT(ans, 5));
PROTECT(ansnames = allocVector(STRSXP, 7));
SET_STRING_ELT(ansnames, 0, mkChar("sysname"));
SET_STRING_ELT(ansnames, 1, mkChar("release"));
SET_STRING_ELT(ansnames, 2, mkChar("version"));
SET_STRING_ELT(ansnames, 3, mkChar("nodename"));
SET_STRING_ELT(ansnames, 4, mkChar("machine"));
SET_STRING_ELT(ansnames, 5, mkChar("login"));
SET_STRING_ELT(ansnames, 6, mkChar("user"));
setAttrib(ans, R_NamesSymbol, ansnames);
UNPROTECT(2);
return ans;
}
SEXP do_syssleep(SEXP call, SEXP op, SEXP args, SEXP rho)
{
DWORD mtime;
int ntime;
double time;
checkArity(op, args);
time = asReal(CAR(args));
if (ISNAN(time) || time < 0)
errorcall(call, "invalid time value");
ntime = 1000*(time) + 0.5;
while (ntime > 0) {
mtime = min(500, ntime);
ntime -= mtime;
Sleep(mtime);
R_ProcessEvents();
}
return R_NilValue;
}
#ifdef LEA_MALLOC
struct mallinfo {
int arena; /* total space allocated from system */
int ordblks; /* number of non-inuse chunks */
int smblks; /* unused -- always zero */
int hblks; /* number of mmapped regions */
int hblkhd; /* total space in mmapped regions */
int usmblks; /* unused -- always zero */
int fsmblks; /* unused -- always zero */
int uordblks; /* total allocated space */
int fordblks; /* total non-inuse space */
int keepcost; /* top-most, releasable (via malloc_trim) space */
};
extern unsigned long max_total_mem;
extern unsigned int R_max_memory;
struct mallinfo mallinfo();
#endif
SEXP do_memsize(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP ans;
int maxmem;
checkArity(op, args);
if(isLogical(CAR(args))) {
maxmem = asLogical(CAR(args));
PROTECT(ans = allocVector(INTSXP, 1));
#ifdef LEA_MALLOC
if(maxmem == NA_LOGICAL)
INTEGER(ans)[0] = R_max_memory;
else if(maxmem)
INTEGER(ans)[0] = max_total_mem;
else
INTEGER(ans)[0] = mallinfo().uordblks;
#else
INTEGER(ans)[0] = NA_INTEGER;
#endif
UNPROTECT(1);
return ans;
} else if(isReal(CAR(args))) {
unsigned int newmax;
double mem = asReal(CAR(args));
if (!R_FINITE(mem))
errorcall(call, "incorrect argument");
#ifdef LEA_MALLOC
newmax = mem * 1048576.0;
if (newmax < R_max_memory)
errorcall(call, "cannot decrease memory limit");
R_max_memory = newmax;
#endif
} else
errorcall(call, "incorrect argument");
return R_NilValue;
}
SEXP do_dllversion(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP path=R_NilValue, ans;
char *dll;
DWORD dwVerInfoSize;
DWORD dwVerHnd;
checkArity(op, args);
path = CAR(args);
if(!isString(path) || LENGTH(path) != 1)
errorcall(call, "invalid `path' argument");
dll = CHAR(STRING_ELT(path, 0));
dwVerInfoSize = GetFileVersionInfoSize(dll, &dwVerHnd);
PROTECT(ans = allocVector(STRSXP, 2));
SET_STRING_ELT(ans, 0, mkChar(""));
SET_STRING_ELT(ans, 1, mkChar(""));
if (dwVerInfoSize) {
BOOL fRet;
LPSTR lpstrVffInfo;
LPSTR lszVer = NULL;
UINT cchVer = 0;
lpstrVffInfo = (LPSTR) malloc(dwVerInfoSize);
if (GetFileVersionInfo(dll, 0L, dwVerInfoSize, lpstrVffInfo))
{
fRet = VerQueryValue(lpstrVffInfo,
TEXT("\\StringFileInfo\\040904E4\\FileVersion"),
(LPVOID)&lszVer, &cchVer);
if(fRet) SET_STRING_ELT(ans, 0, mkChar(lszVer));
fRet = VerQueryValue(lpstrVffInfo,
TEXT("\\StringFileInfo\\040904E4\\R Version"),
(LPVOID)&lszVer, &cchVer);
if(fRet) SET_STRING_ELT(ans, 1, mkChar(lszVer));
else {
fRet = VerQueryValue(lpstrVffInfo,
TEXT("\\StringFileInfo\\040904E4\\Compiled under R Version"),
(LPVOID)&lszVer, &cchVer);
if(fRet) SET_STRING_ELT(ans, 1, mkChar(lszVer));
}
} else ans = R_NilValue;
free(lpstrVffInfo);
} else ans = R_NilValue;
UNPROTECT(1);
return ans;
}
static window wselect;
static button bFinish, bCancel;
static listbox f_list;
static char selected[100];
static int done;
static void cleanup()
{
hide(wselect);
delobj(f_list); delobj(bFinish); delobj(bCancel);
delobj(wselect);
}
static void cancel(button b)
{
strcpy(selected, "");
done = 2;
}
static void finish(button b)
{
strncpy(selected, gettext(f_list), 100);
done = 1;
}
static void key1(control c, int ch)
{
if(ch == '\n') finish(NULL);
if(ch == ESC) cancel(NULL);
}
SEXP do_selectlist(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP list, preselect, ans = R_NilValue;
char **clist, *cps;
int i, j = -1, n, mw = 0, multiple, nsel = 0;
int xmax = 550, ymax = 400, ylist;
checkArity(op, args);
list = CAR(args);
if(!isString(list)) error("invalid `list' argument");
preselect = CADR(args);
if(!isNull(preselect) &&
(!isString(preselect) || length(preselect) != 1))
error("invalid `preselect' argument");
if(isNull(preselect)) cps = CHAR(STRING_ELT(preselect, 0));
else cps = "";
multiple = asLogical(CADDR(args));
if(multiple == NA_LOGICAL) multiple = 0;
n = LENGTH(list);
clist = (char **) R_alloc(n + 1, sizeof(char *));
for(i = 0; i < n; i++) {
clist[i] = CHAR(STRING_ELT(list, i));
if(strcmp(clist[i], cps) == 0) j = i;
mw = max(mw, strlen(clist[i]));
}
clist[n] = NULL;
mw = min(mw, 25);
xmax = max(170, 8*mw+60);
ylist = min(20*n, 300);
ymax = ylist + 60;
wselect = newwindow(multiple ? "Select" : "Select one",
rect(0, 0, xmax, ymax),
Titlebar | Centered | Modal);
setbackground(wselect, dialog_bg());
if(multiple)
f_list = newmultilist(clist, rect(10, 10, 35+8*mw, ylist), NULL);
else
f_list = newlistbox(clist, rect(10, 10, 35+8*mw, ylist), NULL);
setlistitem(f_list, j);
bFinish = newbutton("OK", rect(xmax-160, ymax-40, 70, 25), finish);
bCancel = newbutton("Cancel", rect(xmax-80, ymax-40, 70, 25), cancel);
setkeydown(wselect, key1);
show(wselect);
done = 0;
while(!done) R_ProcessEvents();
if(multiple) {
if (done == 1) { /* Finish */
for(i = 0; i < n; i++) if(isselected(f_list, i)) nsel++;
PROTECT(ans = allocVector(STRSXP, nsel));
for(i = 0, j = 0; i < n; i++)
if(isselected(f_list, i))
SET_STRING_ELT(ans, j++, mkChar(clist[i]));
} else { /* cancel */
PROTECT(ans = allocVector(STRSXP, 0));
}
} else {
PROTECT(ans = allocVector(STRSXP, 1));
SET_STRING_ELT(ans, 0, mkChar(selected));
}
cleanup();
show(RConsole);
UNPROTECT(1);
return ans;
}
int Rwin_rename(char *from, char *to)
{
int res = 0;
OSVERSIONINFO verinfo;
verinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
GetVersionEx(&verinfo);
switch(verinfo.dwPlatformId) {
case VER_PLATFORM_WIN32_NT:
res = (MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING) == 0);
break;
default:
if (!DeleteFile(to) && GetLastError() != ERROR_FILE_NOT_FOUND)
return 1;
res = (MoveFile(from, to) == 0);
}
return res;
}
void InitTempDir()
{
char *tmp, tm[MAX_PATH], tmp1[MAX_PATH], *p;
unsigned int n;
int hasspace = 0, len, done = 0, res;
WIN32_FIND_DATA fd;
HANDLE h;
tmp = getenv("TMP");
if(access(tmp, W_OK) != 0) tmp = NULL;
if (!tmp) tmp = getenv("TEMP");
if(access(tmp, W_OK) != 0) tmp = NULL;
if (!tmp) tmp = getenv("R_USER"); /* this one will succeed */
/* make sure no spaces in path */
for (p = tmp; *p; p++)
if (isspace(*p)) { hasspace = 1; break; }
if (hasspace)
GetShortPathName(tmp, tmp1, MAX_PATH);
else
strcpy(tmp1, tmp);
/* now try a random addition */
srand( (unsigned)time( NULL ) );
for (n = 0; n < 100; n++) {
/* try a random number at the end */
sprintf(tm, "%s\\%s%d", tmp1, "Rtmp", rand());
if ((h = FindFirstFile(tm, &fd)) == INVALID_HANDLE_VALUE) {
done = 1;
break;
}
FindClose(h);
tm[0] = '\0';
}
if(!done)
R_Suicide("cannot find unused tempdir name");
/* Now try to create it */
res = mkdir(tm);
if(res) {
char buff[2000];
sprintf(buff, "%s\nDoes %s exist and is it writeable?",
"Can't mkdir R_TempDir", tmp);
R_Suicide(buff);
}
len = strlen(tm);
p = (char *) malloc(len+1);
if(!p) R_Suicide("Can't allocate R_TempDir");
else {
R_TempDir = p;
strcpy(R_TempDir, tm);
}
}
void CleanTempDir()
{
if(R_TempDir) R_unlink(R_TempDir, 1);
}
SEXP do_readClipboard(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP ans = allocVector(STRSXP, 0);
HGLOBAL hglb;
char *pc;
checkArity(op, args);
if(clipboardhastext() &&
OpenClipboard(NULL) &&
(hglb = GetClipboardData(CF_TEXT)) &&
(pc = (char *)GlobalLock(hglb))) {
PROTECT(ans = allocVector(STRSXP, 1));
SET_STRING_ELT(ans, 0, mkChar(pc));
GlobalUnlock(hglb);
CloseClipboard();
UNPROTECT(1);
}
return ans;
}
SEXP do_writeClipboard(SEXP call, SEXP op, SEXP args, SEXP rho)
{
SEXP ans, text;
int i, n;
HGLOBAL hglb;
char *s, *p;
Rboolean success = FALSE;
checkArity(op, args);
text = CAR(args);
if(!isString(text))
errorcall(call, "argument must be a character vector");
n = length(text);
if(n > 0) {
int len = 1;
for(i = 0; i < n; i++) len += strlen(CHAR(STRING_ELT(text, i))) + 2;
if ( (hglb = GlobalAlloc(GHND, len)) &&
(s = (char *)GlobalLock(hglb)) ) {
for(i = 0; i < n; i++) {
p = CHAR(STRING_ELT(text, i));
while(*p) *s++ = *p++;
*s++ = '\r'; *s++ = '\n';
}
*s = '\0';
GlobalUnlock(hglb);
if (!OpenClipboard(NULL) || !EmptyClipboard()) {
warningcall(call, "Unable to open the clipboard");
GlobalFree(hglb);
} else {