ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/misc.C
(Generate patch)

Comparing rxvt-unicode/src/misc.C (file contents):
Revision 1.8 by pcg, Fri Feb 27 02:52:51 2004 UTC vs.
Revision 1.34 by root, Mon Jan 16 16:19:19 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 */ 29char *
30rxvt_wcstombs (const wchar_t *str, int len)
31{
32 if (len < 0) len = wcslen (str);
33
34 mbstate mbs;
35 char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1);
36
37 char *dst = r;
38 while (len--)
39 {
40 ssize_t l = wcrtomb (dst, *str++, mbs);
41
42 if (l < 0)
43 *dst++ = '?';
44 else
45 dst += l;
46 }
47
48 *dst++ = 0;
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
63 return r;
64}
65
66char *
67rxvt_wcstoutf8 (const wchar_t *str, int len)
68{
69 if (len < 0) len = wcslen (str);
70
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
31char * 167char *
32rxvt_strdup (const char *str) 168rxvt_strdup (const char *str)
33{ 169{
34 return str ? strdup (str) : 0; 170 return str ? strdup (str) : 0;
35} 171}
36 172
37/* EXTPROTO */
38char * 173char *
39rxvt_r_basename (const char *str) 174rxvt_r_basename (const char *str)
40{ 175{
41 char *base = STRRCHR (str, '/'); 176 char *base = strrchr (str, '/');
42 177
43 return (char *) (base ? base + 1 : str); 178 return (char *) (base ? base + 1 : str);
44} 179}
45 180
46/* 181/*
47 * Print an error message 182 * Print an error message
48 */ 183 */
49/* EXTPROTO */
50void 184void
185rxvt_vlog (const char *fmt, va_list arg_ptr)
186{
187 char msg[1024];
188
189 vsnprintf (msg, sizeof msg, fmt, arg_ptr);
190
191 if (GET_R && GET_R->log_hook)
192 (*GET_R->log_hook) (msg);
193 else
194 write (STDOUT_FILENO, msg, strlen (msg));
195}
196
197void
51rxvt_print_error (const char *fmt,...) 198rxvt_log (const char *fmt,...)
52{ 199{
53 va_list arg_ptr; 200 va_list arg_ptr;
54 201
55 va_start (arg_ptr, fmt); 202 va_start (arg_ptr, fmt);
56 fprintf (stderr, APL_NAME ": "); 203 rxvt_vlog (fmt, arg_ptr);
57 vfprintf (stderr, fmt, arg_ptr);
58 fprintf (stderr, "\n");
59 va_end (arg_ptr); 204 va_end (arg_ptr);
205}
206
207/*
208 * Print an error message
209 */
210void
211rxvt_warn (const char *fmt,...)
212{
213 va_list arg_ptr;
214
215 rxvt_log ("%s: ", RESNAME);
216
217 va_start (arg_ptr, fmt);
218 rxvt_vlog (fmt, arg_ptr);
219 va_end (arg_ptr);
220}
221
222void
223rxvt_fatal (const char *fmt,...)
224{
225 va_list arg_ptr;
226
227 rxvt_log ("%s: ", RESNAME);
228
229 va_start (arg_ptr, fmt);
230 rxvt_vlog (fmt, arg_ptr);
231 va_end (arg_ptr);
232
233 rxvt_exit_failure ();
234}
235
236class rxvt_failure_exception rxvt_failure_exception;
237
238void
239rxvt_exit_failure ()
240{
241 throw (rxvt_failure_exception);
60} 242}
61 243
62/* 244/*
63 * check that the first characters of S1 match S2 245 * check that the first characters of S1 match S2
64 * 246 *
65 * No Match 247 * No Match
66 * return: 0 248 * return: 0
67 * Match 249 * Match
68 * return: STRLEN (S2) 250 * return: strlen (S2)
69 */ 251 */
70/* EXTPROTO */
71int 252int
72rxvt_Str_match (const char *s1, const char *s2) 253rxvt_Str_match (const char *s1, const char *s2)
73{ 254{
74 int n = STRLEN (s2); 255 int n = strlen (s2);
75 256
76 return ((STRNCMP (s1, s2, n) == 0) ? n : 0); 257 return ((strncmp (s1, s2, n) == 0) ? n : 0);
77} 258}
78 259
79/* EXTPROTO */
80const char * 260const char *
81rxvt_Str_skip_space (const char *str) 261rxvt_Str_skip_space (const char *str)
82{ 262{
83 if (str) 263 if (str)
84 while (*str && isspace (*str)) 264 while (*str && isspace (*str))
… …
89 269
90/* 270/*
91 * remove leading/trailing space and strip-off leading/trailing quotes. 271 * remove leading/trailing space and strip-off leading/trailing quotes.
92 * in place. 272 * in place.
93 */ 273 */
94/* EXTPROTO */
95char * 274char *
96rxvt_Str_trim (char *str) 275rxvt_Str_trim (char *str)
97{ 276{
98 char *r, *s; 277 char *r, *s;
99 int n;
100 278
101 if (!str || !*str) /* shortcut */ 279 if (!str || !*str) /* shortcut */
102 return str; 280 return str;
103 281
104 /* skip leading spaces */ 282 /* skip leading spaces */
105 for (s = str; *s && isspace (*s); s++) ; 283 for (s = str; *s && isspace (*s); s++) ;
284
106 /* goto end of string */ 285 /* goto end of string */
107 for (n = 0, r = s; *r++; n++) ; 286 r = s + strlen (s) - 1;
108 r -= 2; 287
109 /* dump return */ 288 /* dump return and other trailing whitespace */
110 if (n > 0 && *r == '\n') 289 while (r > s && isspace (*r))
111 n--, r--; 290 r--;
112 /* backtrack along trailing spaces */ 291
113 for (; n > 0 && isspace (*r); r--, n--) ; 292#if 0
114 /* skip matching leading/trailing quotes */ 293 /* skip matching leading/trailing quotes */
115 if (*s == '"' && *r == '"' && n > 1) 294 if (*s == '"' && *r == '"' && n > 1)
116 { 295 {
117 s++; 296 s++;
118 n -= 2; 297 n -= 2;
119 } 298 }
299#endif
120 300
121 /* copy back over: forwards copy */ 301 memmove (str, s, r + 1 - s);
122 for (r = str; n; n--) 302 str[r + 1 - s] = 0;
123 *r++ = *s++;
124 *r = '\0';
125 303
126 return str; 304 return str;
127} 305}
128 306
129/* 307/*
… …
138 * "M-x" prefixed strings, append "\r" if needed 316 * "M-x" prefixed strings, append "\r" if needed
139 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed 317 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed
140 * 318 *
141 * returns the converted string length 319 * returns the converted string length
142 */ 320 */
143/* EXTPROTO */
144int 321int
145rxvt_Str_escaped (char *str) 322rxvt_Str_escaped (char *str)
146{ 323{
147 char ch, *s, *d; 324 char ch, *s, *d;
148 int i, num, append = 0; 325 int i, num, append = 0;
… …
212 return (d - str); 389 return (d - str);
213} 390}
214 391
215/* 392/*
216 * Split a comma-separated string into an array, stripping leading and 393 * Split a comma-separated string into an array, stripping leading and
217 * trailing spaces (and paired quotes) from each entry. Empty strings 394 * trailing spaces from each entry. Empty strings are properly returned
218 * are properly returned
219 * Caller should free each entry and array when done 395 * Caller should free each entry and array when done
220 */ 396 */
221/* EXTPROTO */
222char ** 397char **
223rxvt_splitcommastring (const char *cs) 398rxvt_splitcommastring (const char *cs)
224{ 399{
225 int l, n, p; 400 int l, n, p;
226 const char *s, *t; 401 const char *s, *t;
… …
230 s = ""; 405 s = "";
231 406
232 for (n = 1, t = s; *t; t++) 407 for (n = 1, t = s; *t; t++)
233 if (*t == ',') 408 if (*t == ',')
234 n++; 409 n++;
410
235 ret = (char **)malloc ((n + 1) * sizeof (char *)); 411 ret = (char **)malloc ((n + 1) * sizeof (char *));
236 ret[n] = NULL; 412 ret[n] = NULL;
237 413
238 for (l = 0, t = s; l < n; l++) 414 for (l = 0, t = s; l < n; l++)
239 { 415 {
… …
243 strncpy (ret[l], s, p); 419 strncpy (ret[l], s, p);
244 ret[l][p] = '\0'; 420 ret[l][p] = '\0';
245 rxvt_Str_trim (ret[l]); 421 rxvt_Str_trim (ret[l]);
246 s = ++t; 422 s = ++t;
247 } 423 }
424
248 return ret; 425 return ret;
426}
427
428void
429rxvt_freecommastring (char **cs)
430{
431 for (int i = 0; cs[i]; ++i)
432 free (cs[i]);
433
434 free (cs);
249} 435}
250 436
251/*----------------------------------------------------------------------* 437/*----------------------------------------------------------------------*
252 * file searching 438 * file searching
253 */ 439 */
254 440
255/* #define DEBUG_SEARCH_PATH */ 441/* #define DEBUG_SEARCH_PATH */
256 442
257#if defined (XPM_BACKGROUND) || (MENUBAR_MAX) 443#ifdef XPM_BACKGROUND
258/* 444/*
259 * search for FILE in the current working directory, and within the 445 * search for FILE in the current working directory, and within the
260 * colon-delimited PATHLIST, adding the file extension EXT if required. 446 * colon-delimited PATHLIST, adding the file extension EXT if required.
261 * 447 *
262 * FILE is either semi-colon or zero terminated 448 * FILE is either semi-colon or zero terminated
263 */ 449 */
264/* INTPROTO */
265char * 450char *
266rxvt_File_search_path (const char *pathlist, const char *file, const char *ext) 451rxvt_File_search_path (const char *pathlist, const char *file, const char *ext)
267{ 452{
268 int maxpath, len; 453 int maxpath, len;
269 const char *p, *path; 454 const char *p, *path;
270 char name[256]; 455 char name[256];
271 456
272 if (!access (file, R_OK)) /* found (plain name) in current directory */ 457 if (!access (file, R_OK)) /* found (plain name) in current directory */
273 return STRDUP (file); 458 return strdup (file);
274 459
275 /* semi-colon delimited */ 460 /* semi-colon delimited */
276 if ((p = STRCHR (file, ';'))) 461 if ((p = strchr (file, ';')))
277 len = (p - file); 462 len = (p - file);
278 else 463 else
279 len = STRLEN (file); 464 len = strlen (file);
280 465
281#ifdef DEBUG_SEARCH_PATH 466#ifdef DEBUG_SEARCH_PATH
282 getcwd (name, sizeof (name)); 467 getcwd (name, sizeof (name));
283 fprintf (stderr, "pwd: \"%s\"\n", name); 468 fprintf (stderr, "pwd: \"%s\"\n", name);
284 fprintf (stderr, "find: \"%.*s\"\n", len, file); 469 fprintf (stderr, "find: \"%.*s\"\n", len, file);
285#endif 470#endif
286 471
287 /* leave room for an extra '/' and trailing '\0' */ 472 /* leave room for an extra '/' and trailing '\0' */
288 maxpath = sizeof (name) - (len + (ext ? STRLEN (ext) : 0) + 2); 473 maxpath = sizeof (name) - (len + (ext ? strlen (ext) : 0) + 2);
289 if (maxpath <= 0) 474 if (maxpath <= 0)
290 return NULL; 475 return NULL;
291 476
292 /* check if we can find it now */ 477 /* check if we can find it now */
293 STRNCPY (name, file, len); 478 strncpy (name, file, len);
294 name[len] = '\0'; 479 name[len] = '\0';
295 480
296 if (!access (name, R_OK)) 481 if (!access (name, R_OK))
297 return STRDUP (name); 482 return strdup (name);
298 if (ext) 483 if (ext)
299 { 484 {
300 STRCAT (name, ext); 485 strcat (name, ext);
301 if (!access (name, R_OK)) 486 if (!access (name, R_OK))
302 return STRDUP (name); 487 return strdup (name);
303 } 488 }
304 for (path = pathlist; path != NULL && *path != '\0'; path = p) 489 for (path = pathlist; path != NULL && *path != '\0'; path = p)
305 { 490 {
306 int n; 491 int n;
307 492
308 /* colon delimited */ 493 /* colon delimited */
309 if ((p = STRCHR (path, ':')) == NULL) 494 if ((p = strchr (path, ':')) == NULL)
310 p = STRCHR (path, '\0'); 495 p = strchr (path, '\0');
311 496
312 n = (p - path); 497 n = (p - path);
313 if (*p != '\0') 498 if (*p != '\0')
314 p++; 499 p++;
315 500
316 if (n > 0 && n <= maxpath) 501 if (n > 0 && n <= maxpath)
317 { 502 {
318 STRNCPY (name, path, n); 503 strncpy (name, path, n);
319 if (name[n - 1] != '/') 504 if (name[n - 1] != '/')
320 name[n++] = '/'; 505 name[n++] = '/';
321 name[n] = '\0'; 506 name[n] = '\0';
322 STRNCAT (name, file, len); 507 strncat (name, file, len);
323 508
324 if (!access (name, R_OK)) 509 if (!access (name, R_OK))
325 return STRDUP (name); 510 return strdup (name);
326 if (ext) 511 if (ext)
327 { 512 {
328 STRCAT (name, ext); 513 strcat (name, ext);
329 if (!access (name, R_OK)) 514 if (!access (name, R_OK))
330 return STRDUP (name); 515 return strdup (name);
331 } 516 }
332 } 517 }
333 } 518 }
334 return NULL; 519 return NULL;
335} 520}
336 521
337/* EXTPROTO */
338char * 522char *
339rxvt_File_find (const char *file, const char *ext, const char *path) 523rxvt_File_find (const char *file, const char *ext, const char *path)
340{ 524{
341 char *f; 525 char *f;
342 526
343 if (file == NULL || *file == '\0') 527 if (file == NULL || *file == '\0')
344 return NULL; 528 return NULL;
345 529
346 /* search environment variables here too */
347 if ((f = rxvt_File_search_path (path, file, ext)) == NULL) 530 f = rxvt_File_search_path (path, file, ext);
348#ifdef PATH_ENV
349 if ((f = rxvt_File_search_path (getenv (PATH_ENV), file, ext)) == NULL)
350#endif
351 f = rxvt_File_search_path (getenv ("PATH"), file, ext);
352 531
353#ifdef DEBUG_SEARCH_PATH 532#ifdef DEBUG_SEARCH_PATH
354 if (f) 533 if (f)
355 fprintf (stderr, "found: \"%s\"\n", f); 534 fprintf (stderr, "found: \"%s\"\n", f);
356#endif 535#endif
357 536
358 return f; 537 return f;
359} 538}
360#endif /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */ 539#endif
361 540
362/*----------------------------------------------------------------------* 541/*----------------------------------------------------------------------*
363 * miscellaneous drawing routines 542 * miscellaneous drawing routines
364 */ 543 */
365 544
366/* 545/*
367 * Draw top/left and bottom/right border shadows around windows 546 * Draw top/left and bottom/right border shadows around windows
368 */ 547 */
369#if defined(RXVT_SCROLLBAR) || defined(MENUBAR) 548#ifdef RXVT_SCROLLBAR
370/* EXTPROTO */
371void 549void
372rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h) 550rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
373{ 551{
374 int shadow; 552 int shadow;
375 553
376 shadow = (w == 0 || h == 0) ? 1 : SHADOW; 554 shadow = (w == 0 || h == 0) ? 1 : 2;
377 w += x - 1; 555 w += x - 1;
378 h += y - 1; 556 h += y - 1;
379 for (; shadow-- > 0; x++, y++, w--, h--) 557 for (; shadow-- > 0; x++, y++, w--, h--)
380 { 558 {
381 XDrawLine (display, win, topShadow, x, y, w, y); 559 XDrawLine (display, win, topShadow, x, y, w, y);
… …
384 XDrawLine (display, win, botShadow, w, h, x + 1, h); 562 XDrawLine (display, win, botShadow, w, h, x + 1, h);
385 } 563 }
386} 564}
387#endif 565#endif
388 566
389/* button shapes */ 567// should not be used in interactive programs, for obvious reasons
390#ifdef MENUBAR 568void rxvt_usleep (int usecs)
391/* EXTPROTO */
392void
393rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
394{ 569{
395 switch (type) 570#if HAVE_NANOSLEEP
396 { 571 struct timespec ts;
397 case 'r': /* right triangle */
398 XDrawLine (display, win, topShadow, x, y, x, y + w);
399 XDrawLine (display, win, topShadow, x, y, x + w, y + w / 2);
400 XDrawLine (display, win, botShadow, x, y + w, x + w, y + w / 2);
401 break;
402 572
403 case 'l': /* left triangle */ 573 ts.tv_sec = 0;
404 XDrawLine (display, win, botShadow, x + w, y + w, x + w, y); 574 ts.tv_nsec = usecs * 1000;
405 XDrawLine (display, win, botShadow, x + w, y + w, x, y + w / 2); 575 nanosleep (&ts, NULL);
406 XDrawLine (display, win, topShadow, x, y + w / 2, x + w, y); 576#else
407 break; 577 /* use select for timing */
578 struct timeval tv;
408 579
409 case 'd': /* down triangle */ 580 tv.tv_sec = 0;
410 XDrawLine (display, win, topShadow, x, y, x + w / 2, y + w); 581 tv.tv_usec = usecs;
411 XDrawLine (display, win, topShadow, x, y, x + w, y); 582 select (0, NULL, NULL, NULL, &tv);
412 XDrawLine (display, win, botShadow, x + w, y, x + w / 2, y + w); 583#endif
413 break;
414
415 case 'u': /* up triangle */
416 XDrawLine (display, win, botShadow, x + w, y + w, x + w / 2, y);
417 XDrawLine (display, win, botShadow, x + w, y + w, x, y + w);
418 XDrawLine (display, win, topShadow, x, y + w, x + w / 2, y);
419 break;
420#if 0
421 case 's': /* square */
422 XDrawLine (display, win, topShadow, x + w, y, x, y);
423 XDrawLine (display, win, topShadow, x, y, x, y + w);
424 XDrawLine (display, win, botShadow, x, y + w, x + w, y + w);
425 XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
426 break;
427#endif
428
429 }
430} 584}
431#endif 585
432/*----------------------- end-of-file (C source) -----------------------*/ 586/*----------------------- end-of-file (C source) -----------------------*/
587

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines