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Comparing rxvt-unicode/src/misc.C (file contents):
Revision 1.19 by root, Sun Dec 12 06:30:25 2004 UTC vs.
Revision 1.40 by root, Mon Feb 20 22:42:00 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
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>
8 * Copyright (c) 1998-2000 Geoff Wing <gcw@pobox.com> 8 * Copyright (c) 1998-2000 Geoff Wing <gcw@pobox.com>
9 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 9 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
10 * 10 *
11 * This program is free software; you can redistribute it and/or modify 11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by 12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or 13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version. 14 * (at your option) any later version.
… …
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
30char * 29char *
31rxvt_wcstombs (const wchar_t *str, int len) 30rxvt_wcstombs (const wchar_t *str, int len)
32{ 31{
33 if (len < 0) len = wcslen (str); 32 if (len < 0) len = wcslen (str);
… …
36 char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1); 35 char *r = (char *)rxvt_malloc (len * MB_CUR_MAX + 1);
37 36
38 char *dst = r; 37 char *dst = r;
39 while (len--) 38 while (len--)
40 { 39 {
41 int l = wcrtomb (dst, *str++, mbs); 40 ssize_t l = wcrtomb (dst, *str++, mbs);
41
42 if (l < 0) 42 if (l < 0)
43 *dst++ = '?'; 43 *dst++ = '?';
44 else 44 else
45 dst += l; 45 dst += l;
46 } 46 }
47 47
48 *dst++ = 0; 48 *dst++ = 0;
49 49
50 return r; 50 return (char *)rxvt_realloc (r, dst - r);
51} 51}
52 52
53wchar_t * 53wchar_t *
54rxvt_mbstowcs (const char *str, int len) 54rxvt_mbstowcs (const char *str, int len)
55{ 55{
56 if (len < 0) len = strlen (str); 56 if (len < 0) len = strlen (str);
57 57
58 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)); 58 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t));
59 59
60 if (mbstowcs (r, str, len + 1) < 0) 60 if ((ssize_t)mbstowcs (r, str, len + 1) < 0)
61 *r = 0; 61 *r = 0;
62 62
63 return r; 63 return r;
64} 64}
65 65
… …
71 char *r = (char *)rxvt_malloc (len * 4 + 1); 71 char *r = (char *)rxvt_malloc (len * 4 + 1);
72 char *p = r; 72 char *p = r;
73 73
74 while (len--) 74 while (len--)
75 { 75 {
76 unicode_t w = *str++; 76 unicode_t w = *str++ & UNICODE_MASK;
77 77
78 if (w < 0x000080) 78 if (w < 0x000080)
79 *p++ = w; 79 *p++ = w;
80 else if (w < 0x000800) 80 else if (w < 0x000800)
81 *p++ = 0xc0 | ( w >> 6), 81 *p++ = 0xc0 | ( w >> 6),
… …
91 *p++ = 0x80 | ( w & 0x3f); 91 *p++ = 0x80 | ( w & 0x3f);
92 else 92 else
93 *p++ = '?'; 93 *p++ = '?';
94 } 94 }
95 95
96 *p = 0; 96 *p++ = 0;
97 97
98 return r; 98 return (char *)rxvt_realloc (r, p - r);
99} 99}
100 100
101wchar_t * 101wchar_t *
102rxvt_utf8towcs (const char *str, int len) 102rxvt_utf8towcs (const char *str, int len)
103{ 103{
104 if (len < 0) len = strlen (str); 104 if (len < 0) len = strlen (str);
105 105
106 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)); 106 wchar_t *r = (wchar_t *)rxvt_malloc ((len + 1) * sizeof (wchar_t)),
107 wchar_t *p = r; 107 *p = r;
108 108
109 unsigned char *s = (unsigned char *)str; 109 unsigned char *s = (unsigned char *)str,
110 *e = s + len;
110 111
111 while (len--) 112 for (;;)
112 { 113 {
114 len = e - s;
115
116 if (len == 0)
117 break;
113 if (s[0] < 0x80) 118 else if (s[0] < 0x80)
114 *p++ = *s++; 119 *p++ = *s++;
115 else if (len > 0 120 else if (len >= 2
116 && s[0] >= 0xc2 && s[0] <= 0xdf 121 && s[0] >= 0xc2 && s[0] <= 0xdf
117 && (s[1] & 0xc0) == 0x80) 122 && (s[1] & 0xc0) == 0x80)
118 { 123 {
119 *p++ = ((s[0] & 0x1f) << 6) 124 *p++ = ((s[0] & 0x1f) << 6)
120 | (s[1] & 0x3f); 125 | (s[1] & 0x3f);
121 s += 2; 126 s += 2;
122 } 127 }
123 else if (len > 1 128 else if (len >= 3
124 && ( (s[0] == 0xe0 && s[1] >= 0xa0 && s[1] <= 0xbf) 129 && ( (s[0] == 0xe0 && s[1] >= 0xa0 && s[1] <= 0xbf)
125 || (s[0] >= 0xe1 && s[0] <= 0xec && s[1] >= 0x80 && s[1] <= 0xbf) 130 || (s[0] >= 0xe1 && s[0] <= 0xec && s[1] >= 0x80 && s[1] <= 0xbf)
126 || (s[0] == 0xed && s[1] >= 0x80 && s[1] <= 0x9f) 131 || (s[0] == 0xed && s[1] >= 0x80 && s[1] <= 0x9f)
127 || (s[0] >= 0xee && s[0] <= 0xef && s[1] >= 0x80 && s[1] <= 0xbf) 132 || (s[0] >= 0xee && s[0] <= 0xef && s[1] >= 0x80 && s[1] <= 0xbf)
128 ) 133 )
… …
131 *p++ = ((s[0] & 0x0f) << 12) 136 *p++ = ((s[0] & 0x0f) << 12)
132 | ((s[1] & 0x3f) << 6) 137 | ((s[1] & 0x3f) << 6)
133 | (s[2] & 0x3f); 138 | (s[2] & 0x3f);
134 s += 3; 139 s += 3;
135 } 140 }
136 else if (len > 2 141 else if (len >= 4
137 && ( (s[0] == 0xf0 && s[1] >= 0x90 && s[1] <= 0xbf) 142 && ( (s[0] == 0xf0 && s[1] >= 0x90 && s[1] <= 0xbf)
138 || (s[0] >= 0xf1 && s[0] <= 0xf3 && s[1] >= 0x80 && s[1] <= 0xbf) 143 || (s[0] >= 0xf1 && s[0] <= 0xf3 && s[1] >= 0x80 && s[1] <= 0xbf)
139 || (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f) 144 || (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f)
140 ) 145 )
141 && (s[2] & 0xc0) == 0x80 146 && (s[2] & 0xc0) == 0x80
… …
158 163
159 return r; 164 return r;
160} 165}
161 166
162char * 167char *
163rxvt_strdup (const char *str)
164{
165 return str ? strdup (str) : 0;
166}
167
168/* INTPROTO */
169char *
170rxvt_r_basename (const char *str) 168rxvt_r_basename (const char *str) NOTHROW
171{ 169{
172 char *base = strrchr (str, '/'); 170 char *base = strrchr (str, '/');
173 171
174 return (char *) (base ? base + 1 : str); 172 return (char *) (base ? base + 1 : str);
175} 173}
176 174
177/* 175/*
178 * Print an error message 176 * Print an error message
179 */ 177 */
180/* INTPROTO */
181void 178void
182rxvt_vlog (const char *fmt, va_list arg_ptr) 179rxvt_vlog (const char *fmt, va_list arg_ptr) NOTHROW
183{ 180{
184 char msg[1024]; 181 char msg[1024];
185 182
186 vsnprintf (msg, sizeof msg, fmt, arg_ptr); 183 vsnprintf (msg, sizeof msg, fmt, arg_ptr);
187 184
… …
189 (*GET_R->log_hook) (msg); 186 (*GET_R->log_hook) (msg);
190 else 187 else
191 write (STDOUT_FILENO, msg, strlen (msg)); 188 write (STDOUT_FILENO, msg, strlen (msg));
192} 189}
193 190
194/* INTPROTO */
195void 191void
196rxvt_log (const char *fmt,...) 192rxvt_log (const char *fmt,...) NOTHROW
197{ 193{
198 va_list arg_ptr; 194 va_list arg_ptr;
199 195
200 va_start (arg_ptr, fmt); 196 va_start (arg_ptr, fmt);
201 rxvt_vlog (fmt, arg_ptr); 197 rxvt_vlog (fmt, arg_ptr);
… …
203} 199}
204 200
205/* 201/*
206 * Print an error message 202 * Print an error message
207 */ 203 */
208/* INTPROTO */
209void 204void
210rxvt_warn (const char *fmt,...) 205rxvt_warn (const char *fmt,...) NOTHROW
211{ 206{
212 va_list arg_ptr; 207 va_list arg_ptr;
213 208
214 rxvt_log ("%s: ", RESNAME); 209 rxvt_log ("%s: ", RESNAME);
215 210
216 va_start (arg_ptr, fmt); 211 va_start (arg_ptr, fmt);
217 rxvt_vlog (fmt, arg_ptr); 212 rxvt_vlog (fmt, arg_ptr);
218 va_end (arg_ptr); 213 va_end (arg_ptr);
219} 214}
220 215
221/* INTPROTO */
222void 216void
223rxvt_fatal (const char *fmt,...) 217rxvt_fatal (const char *fmt,...) THROW ((class rxvt_failure_exception))
224{ 218{
225 va_list arg_ptr; 219 va_list arg_ptr;
226 220
227 rxvt_log ("%s: ", RESNAME); 221 rxvt_log ("%s: ", RESNAME);
228 222
… …
231 va_end (arg_ptr); 225 va_end (arg_ptr);
232 226
233 rxvt_exit_failure (); 227 rxvt_exit_failure ();
234} 228}
235 229
236class rxvt_failure_exception rxvt_failure_exception;
237
238/* INTPROTO */
239void 230void
240rxvt_exit_failure () 231rxvt_exit_failure () THROW ((class rxvt_failure_exception))
241{ 232{
233 static class rxvt_failure_exception rxvt_failure_exception;
242 throw (rxvt_failure_exception); 234 throw (rxvt_failure_exception);
243} 235}
244 236
245/* 237/*
246 * check that the first characters of S1 match S2 238 * check that the first characters of S1 match S2
… …
248 * No Match 240 * No Match
249 * return: 0 241 * return: 0
250 * Match 242 * Match
251 * return: strlen (S2) 243 * return: strlen (S2)
252 */ 244 */
253/* INTPROTO */
254int 245int
255rxvt_Str_match (const char *s1, const char *s2) 246rxvt_Str_match (const char *s1, const char *s2) NOTHROW
256{ 247{
257 int n = strlen (s2); 248 int n = strlen (s2);
258 249
259 return ((strncmp (s1, s2, n) == 0) ? n : 0); 250 return ((strncmp (s1, s2, n) == 0) ? n : 0);
260} 251}
261 252
262/* INTPROTO */
263const char * 253const char *
264rxvt_Str_skip_space (const char *str) 254rxvt_Str_skip_space (const char *str) NOTHROW
265{ 255{
266 if (str) 256 if (str)
267 while (*str && isspace (*str)) 257 while (*str && isspace (*str))
268 str++; 258 str++;
269 259
… …
272 262
273/* 263/*
274 * remove leading/trailing space and strip-off leading/trailing quotes. 264 * remove leading/trailing space and strip-off leading/trailing quotes.
275 * in place. 265 * in place.
276 */ 266 */
277/* INTPROTO */
278char * 267char *
279rxvt_Str_trim (char *str) 268rxvt_Str_trim (char *str) NOTHROW
280{ 269{
281 char *r, *s; 270 char *r, *s;
282 int n;
283 271
284 if (!str || !*str) /* shortcut */ 272 if (!str || !*str) /* shortcut */
285 return str; 273 return str;
286 274
287 /* skip leading spaces */ 275 /* skip leading spaces */
288 for (s = str; *s && isspace (*s); s++) ; 276 for (s = str; *s && isspace (*s); s++) ;
277
289 /* goto end of string */ 278 /* goto end of string */
290 for (n = 0, r = s; *r++; n++) ; 279 r = s + strlen (s) - 1;
291 r -= 2; 280
292 /* dump return */ 281 /* dump return and other trailing whitespace */
293 if (n > 0 && *r == '\n') 282 while (r > s && isspace (*r))
294 n--, r--; 283 r--;
295 /* backtrack along trailing spaces */ 284
296 for (; n > 0 && isspace (*r); r--, n--) ; 285#if 0
297 /* skip matching leading/trailing quotes */ 286 /* skip matching leading/trailing quotes */
298 if (*s == '"' && *r == '"' && n > 1) 287 if (*s == '"' && *r == '"' && n > 1)
299 { 288 {
300 s++; 289 s++;
301 n -= 2; 290 n -= 2;
302 } 291 }
292#endif
303 293
304 /* copy back over: forwards copy */ 294 memmove (str, s, r + 1 - s);
305 for (r = str; n; n--) 295 str[r + 1 - s] = 0;
306 *r++ = *s++;
307 *r = '\0';
308 296
309 return str; 297 return str;
310} 298}
311 299
312/* 300/*
… …
321 * "M-x" prefixed strings, append "\r" if needed 309 * "M-x" prefixed strings, append "\r" if needed
322 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed 310 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed
323 * 311 *
324 * returns the converted string length 312 * returns the converted string length
325 */ 313 */
326/* INTPROTO */
327int 314int
328rxvt_Str_escaped (char *str) 315rxvt_Str_escaped (char *str) NOTHROW
329{ 316{
330 char ch, *s, *d; 317 char ch, *s, *d;
331 int i, num, append = 0; 318 int i, num, append = 0;
332 319
333 if (!str || !*str) 320 if (!str || !*str)
… …
395 return (d - str); 382 return (d - str);
396} 383}
397 384
398/* 385/*
399 * Split a comma-separated string into an array, stripping leading and 386 * Split a comma-separated string into an array, stripping leading and
400 * trailing spaces (and paired quotes) from each entry. Empty strings 387 * trailing spaces from each entry. Empty strings are properly returned
401 * are properly returned
402 * Caller should free each entry and array when done 388 * Caller should free each entry and array when done
403 */ 389 */
404/* INTPROTO */
405char ** 390char **
406rxvt_splitcommastring (const char *cs) 391rxvt_splitcommastring (const char *cs) NOTHROW
407{ 392{
408 int l, n, p; 393 int l, n, p;
409 const char *s, *t; 394 const char *s, *t;
410 char **ret; 395 char **ret;
411 396
… …
413 s = ""; 398 s = "";
414 399
415 for (n = 1, t = s; *t; t++) 400 for (n = 1, t = s; *t; t++)
416 if (*t == ',') 401 if (*t == ',')
417 n++; 402 n++;
403
418 ret = (char **)malloc ((n + 1) * sizeof (char *)); 404 ret = (char **)malloc ((n + 1) * sizeof (char *));
419 ret[n] = NULL; 405 ret[n] = NULL;
420 406
421 for (l = 0, t = s; l < n; l++) 407 for (l = 0, t = s; l < n; l++)
422 { 408 {
… …
426 strncpy (ret[l], s, p); 412 strncpy (ret[l], s, p);
427 ret[l][p] = '\0'; 413 ret[l][p] = '\0';
428 rxvt_Str_trim (ret[l]); 414 rxvt_Str_trim (ret[l]);
429 s = ++t; 415 s = ++t;
430 } 416 }
417
431 return ret; 418 return ret;
432} 419}
433 420
434void 421void
435rxvt_freecommastring (char **cs) 422rxvt_freecommastring (char **cs) NOTHROW
436{ 423{
437 for (int i = 0; cs[i]; ++i) 424 for (int i = 0; cs[i]; ++i)
438 free (cs[i]); 425 free (cs[i]);
439 426
440 free (cs); 427 free (cs);
… …
442 429
443/*----------------------------------------------------------------------* 430/*----------------------------------------------------------------------*
444 * file searching 431 * file searching
445 */ 432 */
446 433
447/* #define DEBUG_SEARCH_PATH */ 434#ifdef XPM_BACKGROUND
448
449#if defined (XPM_BACKGROUND) || (MENUBAR_MAX)
450/* 435/*
451 * search for FILE in the current working directory, and within the 436 * search for FILE in the current working directory, and within the
452 * colon-delimited PATHLIST, adding the file extension EXT if required. 437 * colon-delimited PATHLIST, adding the file extension EXT if required.
453 * 438 *
454 * FILE is either semi-colon or zero terminated 439 * FILE is either semi-colon or zero terminated
455 */ 440 */
456/* INTPROTO */ 441char *
457char *
458rxvt_File_search_path (const char *pathlist, const char *file, const char *ext) 442rxvt_File_search_path (const char *pathlist, const char *file, const char *ext) NOTHROW
459{ 443{
460 int maxpath, len; 444 int maxpath, len;
461 const char *p, *path; 445 const char *p, *path;
462 char name[256]; 446 char name[256];
463 447
… …
467 /* semi-colon delimited */ 451 /* semi-colon delimited */
468 if ((p = strchr (file, ';'))) 452 if ((p = strchr (file, ';')))
469 len = (p - file); 453 len = (p - file);
470 else 454 else
471 len = strlen (file); 455 len = strlen (file);
472
473#ifdef DEBUG_SEARCH_PATH
474 getcwd (name, sizeof (name));
475 fprintf (stderr, "pwd: \"%s\"\n", name);
476 fprintf (stderr, "find: \"%.*s\"\n", len, file);
477#endif
478 456
479 /* leave room for an extra '/' and trailing '\0' */ 457 /* leave room for an extra '/' and trailing '\0' */
480 maxpath = sizeof (name) - (len + (ext ? strlen (ext) : 0) + 2); 458 maxpath = sizeof (name) - (len + (ext ? strlen (ext) : 0) + 2);
481 if (maxpath <= 0) 459 if (maxpath <= 0)
482 return NULL; 460 return NULL;
… …
524 } 502 }
525 } 503 }
526 return NULL; 504 return NULL;
527} 505}
528 506
529/* INTPROTO */ 507char *
530char *
531rxvt_File_find (const char *file, const char *ext, const char *path) 508rxvt_File_find (const char *file, const char *ext, const char *path) NOTHROW
532{ 509{
533 char *f; 510 char *f;
534 511
535 if (file == NULL || *file == '\0') 512 if (file == NULL || *file == '\0')
536 return NULL; 513 return NULL;
537 514
538 /* search environment variables here too */
539 if ((f = rxvt_File_search_path (path, file, ext)) == NULL) 515 f = rxvt_File_search_path (path, file, ext);
540#ifdef PATH_ENV 516
541 if ((f = rxvt_File_search_path (getenv (PATH_ENV), file, ext)) == NULL) 517 return f;
518}
542#endif 519#endif
543 f = rxvt_File_search_path (getenv ("PATH"), file, ext);
544 520
545#ifdef DEBUG_SEARCH_PATH
546 if (f)
547 fprintf (stderr, "found: \"%s\"\n", f);
548#endif
549 521
550 return f;
551}
552#endif /* defined (XPM_BACKGROUND) || (MENUBAR_MAX) */
553
554/*----------------------------------------------------------------------*
555 * miscellaneous drawing routines
556 */
557
558/*
559 * Draw top/left and bottom/right border shadows around windows
560 */
561#if defined(RXVT_SCROLLBAR) || defined(MENUBAR)
562/* INTPROTO */
563void
564rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h)
565{
566 int shadow;
567
568 shadow = (w == 0 || h == 0) ? 1 : SHADOW;
569 w += x - 1;
570 h += y - 1;
571 for (; shadow-- > 0; x++, y++, w--, h--)
572 {
573 XDrawLine (display, win, topShadow, x, y, w, y);
574 XDrawLine (display, win, topShadow, x, y, x, h);
575 XDrawLine (display, win, botShadow, w, h, w, y + 1);
576 XDrawLine (display, win, botShadow, w, h, x + 1, h);
577 }
578}
579#endif
580
581/* button shapes */
582#ifdef MENUBAR
583/* INTPROTO */
584void
585rxvt_Draw_Triangle (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int type)
586{
587 switch (type)
588 {
589 case 'r': /* right triangle */
590 XDrawLine (display, win, topShadow, x, y, x, y + w);
591 XDrawLine (display, win, topShadow, x, y, x + w, y + w / 2);
592 XDrawLine (display, win, botShadow, x, y + w, x + w, y + w / 2);
593 break;
594
595 case 'l': /* left triangle */
596 XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
597 XDrawLine (display, win, botShadow, x + w, y + w, x, y + w / 2);
598 XDrawLine (display, win, topShadow, x, y + w / 2, x + w, y);
599 break;
600
601 case 'd': /* down triangle */
602 XDrawLine (display, win, topShadow, x, y, x + w / 2, y + w);
603 XDrawLine (display, win, topShadow, x, y, x + w, y);
604 XDrawLine (display, win, botShadow, x + w, y, x + w / 2, y + w);
605 break;
606
607 case 'u': /* up triangle */
608 XDrawLine (display, win, botShadow, x + w, y + w, x + w / 2, y);
609 XDrawLine (display, win, botShadow, x + w, y + w, x, y + w);
610 XDrawLine (display, win, topShadow, x, y + w, x + w / 2, y);
611 break;
612#if 0
613 case 's': /* square */
614 XDrawLine (display, win, topShadow, x + w, y, x, y);
615 XDrawLine (display, win, topShadow, x, y, x, y + w);
616 XDrawLine (display, win, botShadow, x, y + w, x + w, y + w);
617 XDrawLine (display, win, botShadow, x + w, y + w, x + w, y);
618 break;
619#endif
620
621 }
622}
623#endif
624/*----------------------- end-of-file (C source) -----------------------*/

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