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Comparing rxvt-unicode/src/misc.C (file contents):
Revision 1.10 by pcg, Sat Mar 6 00:05:01 2004 UTC vs.
Revision 1.36 by root, Fri Jan 20 10:27:08 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: misc.c 2 * File: misc.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1996 mj olesen <olesen@me.QueensU.CA> Queen's Univ at Kingston 6 * Copyright (c) 1996 mj olesen <olesen@me.QueensU.CA> Queen's Univ at Kingston
7 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> 7 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
… …
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *----------------------------------------------------------------------*/ 24 *----------------------------------------------------------------------*/
25 25
26#include "../config.h" /* NECESSARY */ 26#include "../config.h" /* NECESSARY */
27#include "rxvt.h" /* NECESSARY */ 27#include "rxvt.h" /* NECESSARY */
28#include "misc.intpro" /* PROTOS for internal routines */
29 28
30/* EXTPROTO */
31char * 29char *
32rxvt_wcstombs (const wchar_t *str, int len) 30rxvt_wcstombs (const wchar_t *str, int len)
33{ 31{
32 if (len < 0) len = wcslen (str);
33
34 mbstate mbs; 34 mbstate mbs;
35 char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1); 35 char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1);
36 36
37 char *dst = r; 37 char *dst = r;
38 while (len--) 38 while (len--)
39 { 39 {
40 int l = wcrtomb (dst, *str++, mbs); 40 ssize_t l = wcrtomb (dst, *str++, mbs);
41
41 if (l < 0) 42 if (l < 0)
42 *dst++ = '?'; 43 *dst++ = '?';
43 else 44 else
44 dst += l; 45 dst += l;
45 } 46 }
46 47
47 *dst++ = 0; 48 *dst++ = 0;
48 49
50 return (char *)rxvt_realloc (r, dst - r);
51}
52
53wchar_t *
54rxvt_mbstowcs (const char *str, int len)
55{
56 if (len < 0) len = strlen (str);
57
58 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t));
59
60 if ((ssize_t)mbstowcs (r, str, len + 1) < 0)
61 *r = 0;
62
49 return r; 63 return r;
50} 64}
51 65
52/* EXTPROTO */
53char * 66char *
54rxvt_strdup (const char *str) 67rxvt_wcstoutf8 (const wchar_t *str, int len)
55{ 68{
56 return str ? strdup (str) : 0; 69 if (len < 0) len = wcslen (str);
57}
58 70
59/* EXTPROTO */ 71 char *r = (char *)rxvt_malloc (len * 4 + 1);
72 char *p = r;
73
74 while (len--)
75 {
76 unicode_t w = *str++ & UNICODE_MASK;
77
78 if (w < 0x000080)
79 *p++ = w;
80 else if (w < 0x000800)
81 *p++ = 0xc0 | ( w >> 6),
82 *p++ = 0x80 | ( w & 0x3f);
83 else if (w < 0x010000)
84 *p++ = 0xe0 | ( w >> 12 ),
85 *p++ = 0x80 | ((w >> 6) & 0x3f),
86 *p++ = 0x80 | ( w & 0x3f);
87 else if (w < 0x110000)
88 *p++ = 0xf0 | ( w >> 18),
89 *p++ = 0x80 | ((w >> 12) & 0x3f),
90 *p++ = 0x80 | ((w >> 6) & 0x3f),
91 *p++ = 0x80 | ( w & 0x3f);
92 else
93 *p++ = '?';
94 }
95
96 *p++ = 0;
97
98 return (char *)rxvt_realloc (r, p - r);
99}
100
101wchar_t *
102rxvt_utf8towcs (const char *str, int len)
103{
104 if (len < 0) len = strlen (str);
105
106 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)),
107 *p = r;
108
109 unsigned char *s = (unsigned char *)str,
110 *e = s + len;
111
112 for (;;)
113 {
114 len = e - s;
115
116 if (len == 0)
117 break;
118 else if (s[0] < 0x80)
119 *p++ = *s++;
120 else if (len >= 2
121 && s[0] >= 0xc2 && s[0] <= 0xdf
122 && (s[1] & 0xc0) == 0x80)
123 {
124 *p++ = ((s[0] & 0x1f) << 6)
125 | (s[1] & 0x3f);
126 s += 2;
127 }
128 else if (len >= 3
129 && ( (s[0] == 0xe0 && s[1] >= 0xa0 && s[1] <= 0xbf)
130 || (s[0] >= 0xe1 && s[0] <= 0xec && s[1] >= 0x80 && s[1] <= 0xbf)
131 || (s[0] == 0xed && s[1] >= 0x80 && s[1] <= 0x9f)
132 || (s[0] >= 0xee && s[0] <= 0xef && s[1] >= 0x80 && s[1] <= 0xbf)
133 )
134 && (s[2] & 0xc0) == 0x80)
135 {
136 *p++ = ((s[0] & 0x0f) << 12)
137 | ((s[1] & 0x3f) << 6)
138 | (s[2] & 0x3f);
139 s += 3;
140 }
141 else if (len >= 4
142 && ( (s[0] == 0xf0 && s[1] >= 0x90 && s[1] <= 0xbf)
143 || (s[0] >= 0xf1 && s[0] <= 0xf3 && s[1] >= 0x80 && s[1] <= 0xbf)
144 || (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f)
145 )
146 && (s[2] & 0xc0) == 0x80
147 && (s[3] & 0xc0) == 0x80)
148 {
149 *p++ = ((s[0] & 0x07) << 18)
150 | ((s[1] & 0x3f) << 12)
151 | ((s[2] & 0x3f) << 6)
152 | (s[3] & 0x3f);
153 s += 4;
154 }
155 else
156 {
157 *p++ = 0xfffd;
158 s++;
159 }
160 }
161
162 *p = 0;
163
164 return r;
165}
166
60char * 167char *
61rxvt_r_basename (const char *str) 168rxvt_r_basename (const char *str) NOTHROW
62{ 169{
63 char *base = STRRCHR (str, '/'); 170 char *base = strrchr (str, '/');
64 171
65 return (char *) (base ? base + 1 : str); 172 return (char *) (base ? base + 1 : str);
66} 173}
67 174
68/* 175/*
69 * Print an error message 176 * Print an error message
70 */ 177 */
71/* EXTPROTO */
72void 178void
73rxvt_print_error (const char *fmt,...) 179rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW
180{
181 char msg[1024];
182
183 vsnprintf (msg, sizeof msg, fmt, arg_ptr);
184
185 if (GET_R && GET_R->log_hook)
186 (*GET_R->log_hook) (msg);
187 else
188 write (STDOUT_FILENO, msg, strlen (msg));
189}
190
191void
192rxvt_log (const char *fmt,...) NOTHROW
74{ 193{
75 va_list arg_ptr; 194 va_list arg_ptr;
76 195
77 va_start (arg_ptr, fmt); 196 va_start (arg_ptr, fmt);
78 fprintf (stderr, RESNAME ": "); 197 rxvt_vlog (fmt, arg_ptr);
79 vfprintf (stderr, fmt, arg_ptr);
80 fprintf (stderr, "\n");
81 va_end (arg_ptr); 198 va_end (arg_ptr);
199}
200
201/*
202 * Print an error message
203 */
204void
205rxvt_warn (const char *fmt,...) NOTHROW
206{
207 va_list arg_ptr;
208
209 rxvt_log ("%s: ", RESNAME);
210
211 va_start (arg_ptr, fmt);
212 rxvt_vlog (fmt, arg_ptr);
213 va_end (arg_ptr);
214}
215
216void
217rxvt_fatal (const char *fmt,...) THROW ((class rxvt_failure_exception))
218{
219 va_list arg_ptr;
220
221 rxvt_log ("%s: ", RESNAME);
222
223 va_start (arg_ptr, fmt);
224 rxvt_vlog (fmt, arg_ptr);
225 va_end (arg_ptr);
226
227 rxvt_exit_failure ();
228}
229
230void
231rxvt_exit_failure () THROW ((class rxvt_failure_exception))
232{
233 static class rxvt_failure_exception rxvt_failure_exception;
234 throw (rxvt_failure_exception);
82} 235}
83 236
84/* 237/*
85 * check that the first characters of S1 match S2 238 * check that the first characters of S1 match S2
86 * 239 *
87 * No Match 240 * No Match
88 * return: 0 241 * return: 0
89 * Match 242 * Match
90 * return: STRLEN (S2) 243 * return: strlen (S2)
91 */ 244 */
92/* EXTPROTO */
93int 245int
94rxvt_Str_match (const char *s1, const char *s2) 246rxvt_Str_match (const char *s1, const char *s2) NOTHROW
95{ 247{
96 int n = STRLEN (s2); 248 int n = strlen (s2);
97 249
98 return ((STRNCMP (s1, s2, n) == 0) ? n : 0); 250 return ((strncmp (s1, s2, n) == 0) ? n : 0);
99} 251}
100 252
101/* EXTPROTO */
102const char * 253const char *
103rxvt_Str_skip_space (const char *str) 254rxvt_Str_skip_space (const char *str) NOTHROW
104{ 255{
105 if (str) 256 if (str)
106 while (*str && isspace (*str)) 257 while (*str && isspace (*str))
107 str++; 258 str++;
108 259
… …
111 262
112/* 263/*
113 * remove leading/trailing space and strip-off leading/trailing quotes. 264 * remove leading/trailing space and strip-off leading/trailing quotes.
114 * in place. 265 * in place.
115 */ 266 */
116/* EXTPROTO */
117char * 267char *
118rxvt_Str_trim (char *str) 268rxvt_Str_trim (char *str) NOTHROW
119{ 269{
120 char *r, *s; 270 char *r, *s;
121 int n;
122 271
123 if (!str || !*str) /* shortcut */ 272 if (!str || !*str) /* shortcut */
124 return str; 273 return str;
125 274
126 /* skip leading spaces */ 275 /* skip leading spaces */
127 for (s = str; *s && isspace (*s); s++) ; 276 for (s = str; *s && isspace (*s); s++) ;
277
128 /* goto end of string */ 278 /* goto end of string */
129 for (n = 0, r = s; *r++; n++) ; 279 r = s + strlen (s) - 1;
130 r -= 2; 280
131 /* dump return */ 281 /* dump return and other trailing whitespace */
132 if (n > 0 && *r == '\n') 282 while (r > s && isspace (*r))
133 n--, r--; 283 r--;
134 /* backtrack along trailing spaces */ 284
135 for (; n > 0 && isspace (*r); r--, n--) ; 285#if 0
136 /* skip matching leading/trailing quotes */ 286 /* skip matching leading/trailing quotes */
137 if (*s == '"' && *r == '"' && n > 1) 287 if (*s == '"' && *r == '"' && n > 1)
138 { 288 {
139 s++; 289 s++;
140 n -= 2; 290 n -= 2;
141 } 291 }
292#endif
142 293
143 /* copy back over: forwards copy */ 294 memmove (str, s, r + 1 - s);
144 for (r = str; n; n--) 295 str[r + 1 - s] = 0;
145 *r++ = *s++;
146 *r = '\0';
147 296
148 return str; 297 return str;
149} 298}
150 299
151/* 300/*
… …
160 * "M-x" prefixed strings, append "\r" if needed 309 * "M-x" prefixed strings, append "\r" if needed
161 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed 310 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed
162 * 311 *
163 * returns the converted string length 312 * returns the converted string length
164 */ 313 */
165/* EXTPROTO */
166int 314int
167rxvt_Str_escaped (char *str) 315rxvt_Str_escaped (char *str) NOTHROW
168{ 316{
169 char ch, *s, *d; 317 char ch, *s, *d;
170 int i, num, append = 0; 318 int i, num, append = 0;
171 319
172 if (!str || !*str) 320 if (!str || !*str)
… …
234 return (d - str); 382 return (d - str);
235} 383}
236 384
237/* 385/*
238 * Split a comma-separated string into an array, stripping leading and 386 * Split a comma-separated string into an array, stripping leading and
239 * trailing spaces (and paired quotes) from each entry. Empty strings 387 * trailing spaces from each entry. Empty strings are properly returned
240 * are properly returned
241 * Caller should free each entry and array when done 388 * Caller should free each entry and array when done
242 */ 389 */
243/* EXTPROTO */
244char ** 390char **
245rxvt_splitcommastring (const char *cs) 391rxvt_splitcommastring (const char *cs) NOTHROW
246{ 392{
247 int l, n, p; 393 int l, n, p;
248 const char *s, *t; 394 const char *s, *t;
249 char **ret; 395 char **ret;
250 396
… …
252 s = ""; 398 s = "";
253 399
254 for (n = 1, t = s; *t; t++) 400 for (n = 1, t = s; *t; t++)
255 if (*t == ',') 401 if (*t == ',')
256 n++; 402 n++;
403
257 ret = (char **)malloc ((n + 1) * sizeof (char *)); 404 ret = (char **)malloc ((n + 1) * sizeof (char *));
258 ret[n] = NULL; 405 ret[n] = NULL;
259 406
260 for (l = 0, t = s; l < n; l++) 407 for (l = 0, t = s; l < n; l++)
261 { 408 {
… …
265 strncpy (ret[l], s, p); 412 strncpy (ret[l], s, p);
266 ret[l][p] = '\0'; 413 ret[l][p] = '\0';
267 rxvt_Str_trim (ret[l]); 414 rxvt_Str_trim (ret[l]);
268 s = ++t; 415 s = ++t;
269 } 416 }
417
270 return ret; 418 return ret;
419}
420
421void
422rxvt_freecommastring (char **cs) NOTHROW
423{
424 for (int i = 0; cs[i]; ++i)
425 free (cs[i]);
426
427 free (cs);
271} 428}
272 429
273/*----------------------------------------------------------------------* 430/*----------------------------------------------------------------------*
274 * file searching 431 * file searching
275 */ 432 */
276 433
277/* #define DEBUG_SEARCH_PATH */ 434/* #define DEBUG_SEARCH_PATH */
278 435
279#if defined (XPM_BACKGROUND) || (MENUBAR_MAX) 436#ifdef XPM_BACKGROUND
280/* 437/*
281 * search for FILE in the current working directory, and within the 438 * search for FILE in the current working directory, and within the
282 * colon-delimited PATHLIST, adding the file extension EXT if required. 439 * colon-delimited PATHLIST, adding the file extension EXT if required.
283 * 440 *
284 * FILE is either semi-colon or zero terminated 441 * FILE is either semi-colon or zero terminated
285 */ 442 */
286/* INTPROTO */
287char * 443char *
288rxvt_File_search_path (const char *pathlist, const char *file, const char *ext) 444rxvt_File_search_path (const char *pathlist, const char *file, const char *ext) NOTHROW
289{ 445{
290 int maxpath, len; 446 int maxpath, len;
291 const char *p, *path; 447 const char *p, *path;
292 char name[256]; 448 char name[256];
293 449
294 if (!access (file, R_OK)) /* found (plain name) in current directory */ 450 if (!access (file, R_OK)) /* found (plain name) in current directory */
295 return STRDUP (file); 451 return strdup (file);
296 452
297 /* semi-colon delimited */ 453 /* semi-colon delimited */
298 if ((p = STRCHR (file, ';'))) 454 if ((p = strchr (file, ';')))
299 len = (p - file); 455 len = (p - file);
300 else 456 else
301 len = STRLEN (file); 457 len = strlen (file);
302 458
303#ifdef DEBUG_SEARCH_PATH 459#ifdef DEBUG_SEARCH_PATH
304 getcwd (name, sizeof (name)); 460 getcwd (name, sizeof (name));
305 fprintf (stderr, "pwd: \"%s\"\n", name); 461 fprintf (stderr, "pwd: \"%s\"\n", name);
306 fprintf (stderr, "find: \"%.*s\"\n", len, file); 462 fprintf (stderr, "find: \"%.*s\"\n", len, file);
307#endif 463#endif
308 464
309 /* leave room for an extra '/' and trailing '\0' */ 465 /* leave room for an extra '/' and trailing '\0' */
310 maxpath = sizeof (name) - (len + (ext ? STRLEN (ext) : 0) + 2); 466 maxpath = sizeof (name) - (len + (ext ? strlen (ext) : 0) + 2);
311 if (maxpath <= 0) 467 if (maxpath <= 0)
312 return NULL; 468 return NULL;
313 469
314 /* check if we can find it now */ 470 /* check if we can find it now */
315 STRNCPY (name, file, len); 471 strncpy (name, file, len);
316 name[len] = '\0'; 472 name[len] = '\0';
317 473
318 if (!access (name, R_OK)) 474 if (!access (name, R_OK))
319 return STRDUP (name); 475 return strdup (name);
320 if (ext) 476 if (ext)
321 { 477 {
322 STRCAT (name, ext); 478 strcat (name, ext);
323 if (!access (name, R_OK)) 479 if (!access (name, R_OK))
324 return STRDUP (name); 480 return strdup (name);
325 } 481 }
326 for (path = pathlist; path != NULL && *path != '\0'; path = p) 482 for (path = pathlist; path != NULL && *path != '\0'; path = p)
327 { 483 {
328 int n; 484 int n;
329 485
330 /* colon delimited */ 486 /* colon delimited */
331 if ((p = STRCHR (path, ':')) == NULL) 487 if ((p = strchr (path, ':')) == NULL)
332 p = STRCHR (path, '\0'); 488 p = strchr (path, '\0');
333 489
334 n = (p - path); 490 n = (p - path);
335 if (*p != '\0') 491 if (*p != '\0')
336 p++; 492 p++;
337 493
338 if (n > 0 && n <= maxpath) 494 if (n > 0 && n <= maxpath)
339 { 495 {
340 STRNCPY (name, path, n); 496 strncpy (name, path, n);
341 if (name[n - 1] != '/') 497 if (name[n - 1] != '/')
342 name[n++] = '/'; 498 name[n++] = '/';
343 name[n] = '\0'; 499 name[n] = '\0';
344 STRNCAT (name, file, len); 500 strncat (name, file, len);
345 501
346 if (!access (name, R_OK)) 502 if (!access (name, R_OK))
347 return STRDUP (name); 503 return strdup (name);
348 if (ext) 504 if (ext)
349 { 505 {
350 STRCAT (name, ext); 506 strcat (name, ext);
351 if (!access (name, R_OK)) 507 if (!access (name, R_OK))
352 return STRDUP (name); 508 return strdup (name);
353 } 509 }
354 } 510 }
355 } 511 }
356 return NULL; 512 return NULL;
357} 513}
358 514
359/* EXTPROTO */
360char * 515char *
361rxvt_File_find (const char *file, const char *ext, const char *path) 516rxvt_File_find (const char *file, const char *ext, const char *path) NOTHROW
362{ 517{
363 char *f; 518 char *f;
364 519
365 if (file == NULL || *file == '\0') 520 if (file == NULL || *file == '\0')
366 return NULL; 521 return NULL;
367 522
368 /* search environment variables here too */
369 if ((f = rxvt_File_search_path (path, file, ext)) == NULL) 523 f = rxvt_File_search_path (path, file, ext);
370#ifdef PATH_ENV
371 if ((f = rxvt_File_search_path (getenv (PATH_ENV), file, ext)) == NULL)
372#endif
373 f = rxvt_File_search_path (getenv ("PATH"), file, ext);
374 524
375#ifdef DEBUG_SEARCH_PATH 525#ifdef DEBUG_SEARCH_PATH
376 if (f) 526 if (f)
377 fprintf (stderr, "found: \"%s\"\n", f); 527 fprintf (stderr, "found: \"%s\"\n", f);
378#endif 528#endif
379 529
380 return f; 530 return f;
381} 531}
382#endif /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */
383
384/*----------------------------------------------------------------------*
385 * miscellaneous drawing routines
386 */
387
388/*
389 * Draw top/left and bottom/right border shadows around windows
390 */
391#if defined(RXVT_SCROLLBAR) || defined(MENUBAR)
392/* EXTPROTO */
393void
394rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
395{
396 int shadow;
397
398 shadow = (w == 0 || h == 0) ? 1 : SHADOW;
399 w += x - 1;
400 h += y - 1;
401 for (; shadow-- > 0; x++, y++, w--, h--)
402 {
403 XDrawLine (display, win, topShadow, x, y, w, y);
404 XDrawLine (display, win, topShadow, x, y, x, h);
405 XDrawLine (display, win, botShadow, w, h, w, y + 1);
406 XDrawLine (display, win, botShadow, w, h, x + 1, h);
407 }
408}
409#endif 532#endif
410 533
411/* button shapes */ 534// should not be used in interactive programs, for obvious reasons
412#ifdef MENUBAR 535void rxvt_usleep (int usecs) NOTHROW
413/* EXTPROTO */
414void
415rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
416{ 536{
417 switch (type) 537#if HAVE_NANOSLEEP
418 { 538 struct timespec ts;
419 case 'r': /* right triangle */
420 XDrawLine (display, win, topShadow, x, y, x, y + w);
421 XDrawLine (display, win, topShadow, x, y, x + w, y + w / 2);
422 XDrawLine (display, win, botShadow, x, y + w, x + w, y + w / 2);
423 break;
424 539
425 case 'l': /* left triangle */ 540 ts.tv_sec = 0;
426 XDrawLine (display, win, botShadow, x + w, y + w, x + w, y); 541 ts.tv_nsec = usecs * 1000;
427 XDrawLine (display, win, botShadow, x + w, y + w, x, y + w / 2); 542 nanosleep (&ts, NULL);
428 XDrawLine (display, win, topShadow, x, y + w / 2, x + w, y); 543#else
429 break; 544 /* use select for timing */
545 struct timeval tv;
430 546
431 case 'd': /* down triangle */ 547 tv.tv_sec = 0;
432 XDrawLine (display, win, topShadow, x, y, x + w / 2, y + w); 548 tv.tv_usec = usecs;
433 XDrawLine (display, win, topShadow, x, y, x + w, y); 549 select (0, NULL, NULL, NULL, &tv);
434 XDrawLine (display, win, botShadow, x + w, y, x + w / 2, y + w); 550#endif
435 break;
436
437 case 'u': /* up triangle */
438 XDrawLine (display, win, botShadow, x + w, y + w, x + w / 2, y);
439 XDrawLine (display, win, botShadow, x + w, y + w, x, y + w);
440 XDrawLine (display, win, topShadow, x, y + w, x + w / 2, y);
441 break;
442#if 0
443 case 's': /* square */
444 XDrawLine (display, win, topShadow, x + w, y, x, y);
445 XDrawLine (display, win, topShadow, x, y, x, y + w);
446 XDrawLine (display, win, botShadow, x, y + w, x + w, y + w);
447 XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
448 break;
449#endif
450
451 }
452} 551}
453#endif 552
454/*----------------------- end-of-file (C source) -----------------------*/ 553/*----------------------- end-of-file (C source) -----------------------*/
554

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