[wxWidgets.git] / src / gtk1 / utilsgtk.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        utils.cpp
// Purpose:
// Author:      Robert Roebling
// Created:     01/02/97
// Id:
// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
// Licence:   	wxWindows licence
/////////////////////////////////////////////////////////////////////////////


//#ifdef __GNUG__
//#pragma implementation "utils.h"
//#endif

#include "wx/utils.h"
#include "wx/string.h"

#include <stdarg.h>
#include <dirent.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/wait.h>
#include <pwd.h>
#include <errno.h>
#include <netdb.h>
#include <signal.h>

#ifdef __SVR4__
#include <sys/systeminfo.h>
#endif

//------------------------------------------------------------------------
// misc.
//------------------------------------------------------------------------

void wxBell(void)
{
  gdk_beep();
};

void wxSleep(int nSecs)
{
  sleep(nSecs);
};

int wxKill(long pid, int sig)
{
  return kill(pid, sig);
};

//------------------------------------------------------------------------
// user and home routines
//------------------------------------------------------------------------

char* wxGetHomeDir( char *dest )
{
  wxString tmp = wxGetUserHome( wxString() );
  if (tmp.IsNull())
    strcpy( wxBuffer, "/" );
  else
    strcpy( wxBuffer, tmp );
  if (dest) strcpy( dest, WXSTRINGCAST tmp );
  return wxBuffer;
};

char *wxGetUserHome( const wxString &user )
{
  struct passwd *who = NULL;

  if (user.IsNull() || (user== "")) 
  {
	register char *ptr;

	if ((ptr = getenv("HOME")) != NULL) 
	    return ptr;
	if ((ptr = getenv("USER")) != NULL
	|| (ptr = getenv("LOGNAME")) != NULL) {
	    who = getpwnam(ptr);
	}
	// We now make sure the the user exists!
	if (who == NULL)
	    who = getpwuid(getuid());
  } 
  else
    who = getpwnam (user);
    
  return who ? who->pw_dir : (char*)NULL;
};

//------------------------------------------------------------------------
// id routines
//------------------------------------------------------------------------

bool wxGetHostName(char *buf, int sz)
{
    *buf = '\0';
#if defined(__SVR4__) && !defined(__sgi)
    return (sysinfo(SI_HOSTNAME, buf, sz) != -1);
#else /* BSD Sockets */
    char name[255];
    struct hostent *h;
    // Get hostname
    if (gethostname(name, sizeof(name)/sizeof(char)-1) == -1)
	return FALSE;
    // Get official full name of host
    strncpy(buf, (h=gethostbyname(name))!=NULL ? h->h_name : name, sz-1);
    return TRUE;
#endif
}

bool wxGetUserId(char *buf, int sz)
{
    struct passwd *who;

    *buf = '\0';
    if ((who = getpwuid(getuid ())) != NULL) {
	strncpy (buf, who->pw_name, sz-1);
	return TRUE;
    }
    return FALSE;
}

bool wxGetUserName(char *buf, int sz)
{
    struct passwd *who;

    *buf = '\0';
    if ((who = getpwuid (getuid ())) != NULL) {
	strncpy (buf, who->pw_gecos, sz - 1);
	return TRUE;
    }
    return FALSE;
}

//------------------------------------------------------------------------
// error and debug output routines
//------------------------------------------------------------------------

void wxDebugMsg( const char *format, ... )
{
  va_list ap;
  va_start( ap, format );
  vfprintf( stderr, format, ap ); 
  fflush( stderr );
  va_end(ap);
};

void wxError( const wxString &msg, const wxString &title )
{
  fprintf( stderr, "Error " );
  if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
  if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
  fprintf( stderr, ".\n" );
};

void wxFatalError( const wxString &msg, const wxString &title )
{
  fprintf( stderr, "Error " );
  if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
  if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
  fprintf( stderr, ".\n" );
  exit(1);
};

//------------------------------------------------------------------------
// directory routines
//------------------------------------------------------------------------

bool wxDirExists( const wxString& dir )
{
  char buf[500];
  strcpy( buf, WXSTRINGCAST(dir) );
  struct stat sbuf;
  return ((stat(buf, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE);
};

//------------------------------------------------------------------------
// wild character routines
//------------------------------------------------------------------------

bool wxIsWild( const wxString& pattern )
{
  wxString tmp = pattern;
  char *pat = WXSTRINGCAST(tmp);
    while (*pat) {
	switch (*pat++) {
	case '?': case '*': case '[': case '{':
	    return TRUE;
	case '\\':
	    if (!*pat++)
		return FALSE;
	}
    }
    return FALSE;
};


bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
{
  wxString tmp1 = pat;
  char *pattern = WXSTRINGCAST(tmp1);
  wxString tmp2 = text;
  char *str = WXSTRINGCAST(tmp2);
    char c;
    char *cp;
    bool done = FALSE, ret_code, ok;
    // Below is for vi fans
    const char OB = '{', CB = '}';

    // dot_special means '.' only matches '.'
    if (dot_special && *str == '.' && *pattern != *str)
	return FALSE;

    while ((*pattern != '\0') && (!done)
    && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
	switch (*pattern) {
	case '\\':
	    pattern++;
	    if (*pattern != '\0')
		pattern++;
	    break;
	case '*':
	    pattern++;
	    ret_code = FALSE;
	    while ((*str!='\0')
	    && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
		/*loop*/;
	    if (ret_code) {
		while (*str != '\0')
		    str++;
		while (*pattern != '\0')
		    pattern++;
	    }
	    break;
	case '[':
	    pattern++;
	  repeat:
	    if ((*pattern == '\0') || (*pattern == ']')) {
		done = TRUE;
		break;
	    }
	    if (*pattern == '\\') {
		pattern++;
		if (*pattern == '\0') {
		    done = TRUE;
		    break;
		}
	    }
	    if (*(pattern + 1) == '-') {
		c = *pattern;
		pattern += 2;
		if (*pattern == ']') {
		    done = TRUE;
		    break;
		}
		if (*pattern == '\\') {
		    pattern++;
		    if (*pattern == '\0') {
			done = TRUE;
			break;
		    }
		}
		if ((*str < c) || (*str > *pattern)) {
		    pattern++;
		    goto repeat;
		}
	    } else if (*pattern != *str) {
		pattern++;
		goto repeat;
	    }
	    pattern++;
	    while ((*pattern != ']') && (*pattern != '\0')) {
		if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
		    pattern++;
		pattern++;
	    }
	    if (*pattern != '\0') {
		pattern++, str++;
	    }
	    break;
	case '?':
	    pattern++;
	    str++;
	    break;
	case OB:
	    pattern++;
	    while ((*pattern != CB) && (*pattern != '\0')) {
		cp = str;
		ok = TRUE;
		while (ok && (*cp != '\0') && (*pattern != '\0')
		&&  (*pattern != ',') && (*pattern != CB)) {
		    if (*pattern == '\\')
			pattern++;
		    ok = (*pattern++ == *cp++);
		}
		if (*pattern == '\0') {
		    ok = FALSE;
		    done = TRUE;
		    break;
		} else if (ok) {
		    str = cp;
		    while ((*pattern != CB) && (*pattern != '\0')) {
			if (*++pattern == '\\') {
			    if (*++pattern == CB)
				pattern++;
			}
		    }
		} else {
		    while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
			if (*++pattern == '\\') {
                            if (*++pattern == CB || *pattern == ',')
				pattern++;
			}
		    }
		}
		if (*pattern != '\0')
		    pattern++;
	    }
	    break;
	default:
	    if (*str == *pattern) {
		str++, pattern++;
	    } else {
		done = TRUE;
	    }
	}
    }
    while (*pattern == '*')
	pattern++;
    return ((*str == '\0') && (*pattern == '\0'));
};

//------------------------------------------------------------------------
// subprocess routines
//------------------------------------------------------------------------

long wxExecute( char **argv, bool Async )
{
    if (*argv == NULL)
	return FALSE;

    /* fork the process */
#if defined(sun) || defined(__ultrix) || defined(__bsdi__)
    pid_t pid = vfork();
#else
    pid_t pid = fork();
#endif
    if (pid == -1) {
	perror ("fork failed");
	return FALSE;
    } else if (pid == 0) {
	/* child */
#ifdef _AIX
	execvp ((const char *)*argv, (const char **)argv);
#else
	execvp (*argv, argv);
#endif
	if (errno == ENOENT)
	    wxError("command not found", *argv);
	else
	    perror (*argv);
	wxError("could not execute", *argv);
	_exit (-1);
    }

    // Code below is NOT really acceptable!
    // One should NEVER use wait under X
    // Ideas? A Sleep idle callback?
    // WARNING: WARNING: WARNING: WARNING:
    // The CODE BELOW IS BAD BAD BAD BAD!
    if (Async) {
	int status;
/*
	wxSleep(2);		// Give a little time
*/
#if !defined(DG) && \
    !defined(__AIX__) && \
    !defined(__xlC__) && \
    !defined(__SVR4__) && \
    !defined(__SUN__) && \
    !defined(__ALPHA__) && \
    !defined(__SGI__) && \
    !defined(__HPUX__) && \
    !defined(__SUNPRO_CC) && \
    !defined(__FreeBSD__)
        while (wait((union wait*)&status) != pid)
#else
	while (wait(&status) != pid)
#endif
      {};
/*
	    wxSleep(3);	// 3 sec?
*/
    };
    return TRUE;
};

long wxExecute( const wxString& command, bool Async )
{
    if (command.IsNull() || command == "") return FALSE;

    int argc = 0;
    char *argv[127];
    char tmp[1024];
    const char *IFS = " \t\n";

    strncpy (tmp, command, sizeof(tmp) / sizeof(char) - 1);
    tmp[sizeof (tmp) / sizeof (char) - 1] = '\0';
    argv[argc++] = strtok (tmp, IFS);
    while ((argv[argc++] = strtok(NULL, IFS)) != NULL)
	/* loop */ ;
    return wxExecute(argv, Async);
};
Commit	Line	Data
c801d85f KB	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: utils.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Created: 01/02/97
	6	// Id:
	7	// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
	8	// Licence: wxWindows licence
	9	/////////////////////////////////////////////////////////////////////////////
	10
	11
	12	//#ifdef __GNUG__
	13	//#pragma implementation "utils.h"
	14	//#endif
	15
	16	#include "wx/utils.h"
	17	#include "wx/string.h"
	18
	19	#include <stdarg.h>
	20	#include <dirent.h>
	21	#include <string.h>
	22	#include <sys/stat.h>
	23	#include <sys/types.h>
	24	#include <unistd.h>
	25	#include <sys/wait.h>
	26	#include <pwd.h>
	27	#include <errno.h>
	28	#include <netdb.h>
82052aff	29	#include <signal.h>
c801d85f KB	30
	31	#ifdef __SVR4__
	32	#include <sys/systeminfo.h>
	33	#endif
	34
	35	//------------------------------------------------------------------------
	36	// misc.
	37	//------------------------------------------------------------------------
	38
	39	void wxBell(void)
	40	{
	41	gdk_beep();
	42	};
	43
82052aff GL	44	void wxSleep(int nSecs)
	45	{
	46	sleep(nSecs);
	47	};
	48
	49	int wxKill(long pid, int sig)
	50	{
	51	return kill(pid, sig);
	52	};
	53
c801d85f KB	54	//------------------------------------------------------------------------
	55	// user and home routines
	56	//------------------------------------------------------------------------
	57
	58	char* wxGetHomeDir( char *dest )
	59	{
	60	wxString tmp = wxGetUserHome( wxString() );
	61	if (tmp.IsNull())
	62	strcpy( wxBuffer, "/" );
	63	else
	64	strcpy( wxBuffer, tmp );
	65	if (dest) strcpy( dest, WXSTRINGCAST tmp );
	66	return wxBuffer;
	67	};
	68
	69	char *wxGetUserHome( const wxString &user )
	70	{
	71	struct passwd *who = NULL;
	72
	73	if (user.IsNull() \|\| (user== ""))
	74	{
	75	register char *ptr;
	76
	77	if ((ptr = getenv("HOME")) != NULL)
	78	return ptr;
	79	if ((ptr = getenv("USER")) != NULL
	80	\|\| (ptr = getenv("LOGNAME")) != NULL) {
	81	who = getpwnam(ptr);
	82	}
	83	// We now make sure the the user exists!
	84	if (who == NULL)
	85	who = getpwuid(getuid());
	86	}
	87	else
	88	who = getpwnam (user);
	89
	90	return who ? who->pw_dir : (char*)NULL;
	91	};
	92
	93	//------------------------------------------------------------------------
	94	// id routines
	95	//------------------------------------------------------------------------
	96
	97	bool wxGetHostName(char *buf, int sz)
	98	{
	99	*buf = '\0';
	100	#if defined(__SVR4__) && !defined(__sgi)
	101	return (sysinfo(SI_HOSTNAME, buf, sz) != -1);
	102	#else /* BSD Sockets */
	103	char name[255];
	104	struct hostent *h;
	105	// Get hostname
	106	if (gethostname(name, sizeof(name)/sizeof(char)-1) == -1)
	107	return FALSE;
	108	// Get official full name of host
	109	strncpy(buf, (h=gethostbyname(name))!=NULL ? h->h_name : name, sz-1);
	110	return TRUE;
	111	#endif
	112	}
	113
	114	bool wxGetUserId(char *buf, int sz)
	115	{
	116	struct passwd *who;
	117
118	*buf = '\0';
119	if ((who = getpwuid(getuid ())) != NULL) {
120	strncpy (buf, who->pw_name, sz-1);
121	return TRUE;
122	}
123	return FALSE;
124	}
125
126	bool wxGetUserName(char *buf, int sz)
127	{
128	struct passwd *who;
129
130	*buf = '\0';
131	if ((who = getpwuid (getuid ())) != NULL) {
132	strncpy (buf, who->pw_gecos, sz - 1);
133	return TRUE;
134	}
135	return FALSE;
136	}
137
138	//------------------------------------------------------------------------
139	// error and debug output routines
140	//------------------------------------------------------------------------
141
142	void wxDebugMsg( const char *format, ... )
143	{
144	va_list ap;
145	va_start( ap, format );
146	vfprintf( stderr, format, ap );
147	fflush( stderr );
148	va_end(ap);
149	};
150
151	void wxError( const wxString &msg, const wxString &title )
152	{
153	fprintf( stderr, "Error " );
154	if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
155	if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
156	fprintf( stderr, ".\n" );
157	};
158
159	void wxFatalError( const wxString &msg, const wxString &title )
160	{
161	fprintf( stderr, "Error " );
162	if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
163	if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
164	fprintf( stderr, ".\n" );
165	exit(1);
166	};
167
168	//------------------------------------------------------------------------
169	// directory routines
170	//------------------------------------------------------------------------
171
172	bool wxDirExists( const wxString& dir )
173	{
174	char buf[500];
175	strcpy( buf, WXSTRINGCAST(dir) );
176	struct stat sbuf;
177	return ((stat(buf, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE);
178	};
179
180	//------------------------------------------------------------------------
181	// wild character routines
182	//------------------------------------------------------------------------
183
184	bool wxIsWild( const wxString& pattern )
185	{
186	wxString tmp = pattern;
187	char *pat = WXSTRINGCAST(tmp);
188	while (*pat) {
189	switch (*pat++) {
190	case '?': case '*': case '[': case '{':
191	return TRUE;
192	case '\\':
193	if (!*pat++)
194	return FALSE;
195	}
196	}
197	return FALSE;
198	};
199
200
201	bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
202	{
203	wxString tmp1 = pat;
204	char *pattern = WXSTRINGCAST(tmp1);
205	wxString tmp2 = text;
206	char *str = WXSTRINGCAST(tmp2);
207	char c;
208	char *cp;
209	bool done = FALSE, ret_code, ok;
210	// Below is for vi fans
211	const char OB = '{', CB = '}';
212
213	// dot_special means '.' only matches '.'
214	if (dot_special && str == '.' && pattern != *str)
215	return FALSE;
216
217	while ((*pattern != '\0') && (!done)
218	&& (((str=='\0')&&((pattern==OB)\|\|(pattern=='')))\|\|(*str!='\0'))) {
219	switch (*pattern) {
220	case '\\':
221	pattern++;
222	if (*pattern != '\0')
223	pattern++;
224	break;
225	case '*':
226	pattern++;
227	ret_code = FALSE;
228	while ((*str!='\0')
229	&& (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
230	/loop/;
231	if (ret_code) {
232	while (*str != '\0')
233	str++;
234	while (*pattern != '\0')
235	pattern++;
236	}
237	break;
238	case '[':
239	pattern++;
240	repeat:
241	if ((pattern == '\0') \|\| (pattern == ']')) {
242	done = TRUE;
243	break;
244	}
245	if (*pattern == '\\') {
246	pattern++;
247	if (*pattern == '\0') {
248	done = TRUE;
249	break;
250	}
251	}
252	if (*(pattern + 1) == '-') {
253	c = *pattern;
254	pattern += 2;
255	if (*pattern == ']') {
256	done = TRUE;
257	break;
258	}
259	if (*pattern == '\\') {
260	pattern++;
261	if (*pattern == '\0') {
262	done = TRUE;
263	break;
264	}
265	}
266	if ((str < c) \|\| (str > *pattern)) {
267	pattern++;
268	goto repeat;
269	}
270	} else if (pattern != str) {
271	pattern++;
272	goto repeat;
273	}
274	pattern++;
275	while ((pattern != ']') && (pattern != '\0')) {
276	if ((pattern == '\\') && ((pattern + 1) != '\0'))
277	pattern++;
278	pattern++;
279	}
280	if (*pattern != '\0') {
281	pattern++, str++;
282	}
283	break;
284	case '?':
285	pattern++;
286	str++;
287	break;
288	case OB:
289	pattern++;
290	while ((pattern != CB) && (pattern != '\0')) {
291	cp = str;
292	ok = TRUE;
293	while (ok && (cp != '\0') && (pattern != '\0')
294	&& (pattern != ',') && (pattern != CB)) {
295	if (*pattern == '\\')
296	pattern++;
297	ok = (pattern++ == cp++);
298	}
299	if (*pattern == '\0') {
300	ok = FALSE;
301	done = TRUE;
302	break;
303	} else if (ok) {
304	str = cp;
305	while ((pattern != CB) && (pattern != '\0')) {
306	if (*++pattern == '\\') {
307	if (*++pattern == CB)
308	pattern++;
309	}
310	}
311	} else {
312	while (pattern!=CB && pattern!=',' && *pattern!='\0') {
313	if (*++pattern == '\\') {
314	if (++pattern == CB \|\| pattern == ',')
315	pattern++;
316	}
317	}
318	}
319	if (*pattern != '\0')
320	pattern++;
321	}
322	break;
323	default:
324	if (str == pattern) {
325	str++, pattern++;
326	} else {
327	done = TRUE;
328	}
329	}
330	}
331	while (pattern == '')
332	pattern++;
333	return ((str == '\0') && (pattern == '\0'));
334	};
335
336	//------------------------------------------------------------------------
337	// subprocess routines
338	//------------------------------------------------------------------------
339
340	long wxExecute( char **argv, bool Async )
341	{
342	if (*argv == NULL)
343	return FALSE;
344
345	/* fork the process */
346	#if defined(sun) \|\| defined(__ultrix) \|\| defined(__bsdi__)
347	pid_t pid = vfork();
348	#else
349	pid_t pid = fork();
350	#endif
351	if (pid == -1) {
352	perror ("fork failed");
353	return FALSE;
354	} else if (pid == 0) {
355	/* child */
356	#ifdef _AIX
357	execvp ((const char )argv, (const char **)argv);
358	#else
359	execvp (*argv, argv);
360	#endif
361	if (errno == ENOENT)
362	wxError("command not found", *argv);
363	else
364	perror (*argv);
365	wxError("could not execute", *argv);
366	_exit (-1);
367	}
368
369	// Code below is NOT really acceptable!
370	// One should NEVER use wait under X
371	// Ideas? A Sleep idle callback?
372	// WARNING: WARNING: WARNING: WARNING:
373	// The CODE BELOW IS BAD BAD BAD BAD!
374	if (Async) {
375	int status;
376	/*
377	wxSleep(2); // Give a little time
378	*/
379	#if !defined(DG) && \
380	!defined(__AIX__) && \
381	!defined(__xlC__) && \
382	!defined(__SVR4__) && \
383	!defined(__SUN__) && \
384	!defined(__ALPHA__) && \
385	!defined(__SGI__) && \
386	!defined(__HPUX__) && \
387	!defined(__SUNPRO_CC) && \
388	!defined(__FreeBSD__)
389	while (wait((union wait*)&status) != pid)
390	#else
391	while (wait(&status) != pid)
392	#endif
393	{};
394	/*
395	wxSleep(3); // 3 sec?
396	*/
397	};
398	return TRUE;
399	};
400
401	long wxExecute( const wxString& command, bool Async )
402	{
403	if (command.IsNull() \|\| command == "") return FALSE;
404
405	int argc = 0;
406	char *argv[127];
407	char tmp[1024];
408	const char *IFS = " \t\n";
409
410	strncpy (tmp, command, sizeof(tmp) / sizeof(char) - 1);
411	tmp[sizeof (tmp) / sizeof (char) - 1] = '\0';
412	argv[argc++] = strtok (tmp, IFS);
413	while ((argv[argc++] = strtok(NULL, IFS)) != NULL)
414	/* loop */ ;
415	return wxExecute(argv, Async);
416	};
417