[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>

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

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

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

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