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Comparing rxvt-unicode/src/misc.C (file contents):
Revision 1.43 by ayin, Mon Aug 27 20:53:16 2007 UTC vs.
Revision 1.59 by sf-exg, Wed Nov 12 12:12:02 2014 UTC

… …
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) 2003-2006 Marc Lehmann <pcg@goof.com> 9 * Copyright (c) 2003-2006 Marc Lehmann <schmorp@schmorp.de>
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 3 of the License, or
14 * (at your option) any later version. 14 * (at your option) any later version.
15 * 15 *
16 * This program is distributed in the hope that it will be useful, 16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
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 28
29#include <new>
30
31// alas new/delete cannot be specified as inline in C++11 (see 17.6.4.6)
32void *
33operator new (size_t s)
34#if !ECB_CPP11
35 throw (std::bad_alloc)
36#endif
37{
38 return rxvt_malloc (s);
39}
40
41void
42operator delete (void *p)
43#if ECB_CPP11
44 noexcept
45#else
46 throw ()
47#endif
48{
49 free (p);
50}
51
29char * 52char *
30rxvt_wcstombs (const wchar_t *str, int len) 53rxvt_wcstombs (const wchar_t *str, int len)
31{ 54{
32 if (len < 0) len = wcslen (str); 55 if (len < 0) len = wcslen (str);
33 56
… …
38 while (len--) 61 while (len--)
39 { 62 {
40 ssize_t l = wcrtomb (dst, *str++, mbs); 63 ssize_t l = wcrtomb (dst, *str++, mbs);
41 64
42 if (l < 0) 65 if (l < 0)
66 {
43 *dst++ = '?'; 67 *dst++ = '?';
68 wcrtomb (0, 0, mbs); // reset undefined state
69 }
44 else 70 else
45 dst += l; 71 dst += l;
46 } 72 }
47 73
48 *dst++ = 0; 74 *dst++ = 0;
… …
79 *p++ = w; 105 *p++ = w;
80 else if (w < 0x000800) 106 else if (w < 0x000800)
81 *p++ = 0xc0 | ( w >> 6), 107 *p++ = 0xc0 | ( w >> 6),
82 *p++ = 0x80 | ( w & 0x3f); 108 *p++ = 0x80 | ( w & 0x3f);
83 else if (w < 0x010000) 109 else if (w < 0x010000)
84 *p++ = 0xe0 | ( w >> 12 ), 110 *p++ = 0xe0 | ( w >> 12),
85 *p++ = 0x80 | ((w >> 6) & 0x3f), 111 *p++ = 0x80 | ((w >> 6) & 0x3f),
86 *p++ = 0x80 | ( w & 0x3f); 112 *p++ = 0x80 | ( w & 0x3f);
87 else if (w < 0x110000) 113 else if (w < 0x110000)
88 *p++ = 0xf0 | ( w >> 18), 114 *p++ = 0xf0 | ( w >> 18),
89 *p++ = 0x80 | ((w >> 12) & 0x3f), 115 *p++ = 0x80 | ((w >> 12) & 0x3f),
… …
116 if (len == 0) 142 if (len == 0)
117 break; 143 break;
118 else if (s[0] < 0x80) 144 else if (s[0] < 0x80)
119 *p++ = *s++; 145 *p++ = *s++;
120 else if (len >= 2 146 else if (len >= 2
121 && s[0] >= 0xc2 && s[0] <= 0xdf 147 && s[0] >= 0xc2 && s[0] <= 0xdf
122 && (s[1] & 0xc0) == 0x80) 148 && (s[1] & 0xc0) == 0x80)
123 { 149 {
124 *p++ = ((s[0] & 0x1f) << 6) 150 *p++ = ((s[0] & 0x1f) << 6)
125 | (s[1] & 0x3f); 151 | (s[1] & 0x3f);
126 s += 2; 152 s += 2;
… …
144 || (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f) 170 || (s[0] == 0xf4 && s[1] >= 0x80 && s[1] <= 0x8f)
145 ) 171 )
146 && (s[2] & 0xc0) == 0x80 172 && (s[2] & 0xc0) == 0x80
147 && (s[3] & 0xc0) == 0x80) 173 && (s[3] & 0xc0) == 0x80)
148 { 174 {
149 *p++ = ((s[0] & 0x07) << 18) 175 *p++ = ((s[0] & 0x07) << 18)
150 | ((s[1] & 0x3f) << 12) 176 | ((s[1] & 0x3f) << 12)
151 | ((s[2] & 0x3f) << 6) 177 | ((s[2] & 0x3f) << 6)
152 | (s[3] & 0x3f); 178 | (s[3] & 0x3f);
153 s += 4; 179 s += 4;
154 } 180 }
155 else 181 else
156 { 182 {
… …
162 *p = 0; 188 *p = 0;
163 189
164 return r; 190 return r;
165} 191}
166 192
167char * 193const char *
168rxvt_r_basename (const char *str) NOTHROW 194rxvt_basename (const char *str) NOTHROW
169{ 195{
170 char *base = strrchr (str, '/'); 196 const char *base = strrchr (str, '/');
171 197
172 return (char *) (base ? base + 1 : str); 198 return base ? base + 1 : str;
173} 199}
174 200
175/* 201/*
176 * Print an error message 202 * Print an error message
177 */ 203 */
… …
233 static class rxvt_failure_exception rxvt_failure_exception; 259 static class rxvt_failure_exception rxvt_failure_exception;
234 throw (rxvt_failure_exception); 260 throw (rxvt_failure_exception);
235} 261}
236 262
237/* 263/*
238 * remove leading/trailing space and strip-off leading/trailing quotes. 264 * remove leading/trailing space in place.
239 * in place.
240 */ 265 */
241char * 266char *
242rxvt_Str_trim (char *str) NOTHROW 267rxvt_strtrim (char *str) NOTHROW
243{ 268{
244 char *r, *s; 269 char *r, *s;
245 270
246 if (!str || !*str) /* shortcut */ 271 if (!str || !*str) /* shortcut */
247 return str; 272 return str;
… …
254 279
255 /* dump return and other trailing whitespace */ 280 /* dump return and other trailing whitespace */
256 while (r > s && isspace (*r)) 281 while (r > s && isspace (*r))
257 r--; 282 r--;
258 283
259#if 0
260 /* skip matching leading/trailing quotes */
261 if (*s == '"' && *r == '"' && n > 1)
262 {
263 s++;
264 n -= 2;
265 }
266#endif
267
268 memmove (str, s, r + 1 - s); 284 memmove (str, s, r + 1 - s);
269 str[r + 1 - s] = 0; 285 str[r + 1 - s] = 0;
270 286
271 return str; 287 return str;
272} 288}
273 289
274/* 290/*
275 * in-place interpretation of string: 291 * Split a string into an array based on the given delimiter, stripping leading and
276 * 292 * trailing spaces from each entry. Empty strings are properly returned
277 * backslash-escaped: "\a\b\E\e\n\r\t", "\octal"
278 * Ctrl chars: ^@ .. ^_, ^?
279 *
280 * Emacs-style: "M-" prefix
281 *
282 * Also,
283 * "M-x" prefixed strings, append "\r" if needed
284 * "\E]" prefixed strings (XTerm escape sequence) append ST if needed
285 *
286 * returns the converted string length
287 */ 293 */
288int 294char **
289rxvt_Str_escaped (char *str) NOTHROW 295rxvt_strsplit (char delim, const char *str) NOTHROW
290{ 296{
291 char ch, *s, *d; 297 int l, n;
292 int i, num, append = 0; 298 char *s, *t;
299 char **ret;
293 300
294 if (!str || !*str) 301 s = strdup (str ? str : "");
295 return 0;
296
297 d = s = str;
298
299 if (*s == 'M' && s[1] == '-')
300 {
301 /* Emacs convenience, replace leading `M-..' with `\E..' */
302 *d++ = C0_ESC;
303 s += 2;
304 if (toupper (*s) == 'X')
305 /* append carriage-return for `M-xcommand' */
306 for (*d++ = 'x', append = '\r', s++; isspace (*s); s++) ;
307 }
308 for (; (ch = *s++);)
309 {
310 if (ch == '\\')
311 {
312 ch = *s++;
313 if (ch >= '0' && ch <= '7')
314 { /* octal */
315 num = ch - '0';
316 for (i = 0; i < 2; i++, s++)
317 {
318 ch = *s;
319 if (ch < '0' || ch > '7')
320 break;
321 num = num * 8 + ch - '0';
322 }
323 ch = (char)num;
324 }
325 else if (ch == 'a')
326 ch = C0_BEL; /* bell */
327 else if (ch == 'b')
328 ch = C0_BS; /* backspace */
329 else if (ch == 'E' || ch == 'e')
330 ch = C0_ESC; /* escape */
331 else if (ch == 'n')
332 ch = '\n'; /* newline */
333 else if (ch == 'r')
334 ch = '\r'; /* carriage-return */
335 else if (ch == 't')
336 ch = C0_HT; /* tab */
337 }
338 else if (ch == '^')
339 {
340 ch = *s++;
341 ch = toupper (ch);
342 ch = (ch == '?' ? 127 : (ch - '@'));
343 }
344 *d++ = ch;
345 }
346
347 /* ESC] is an XTerm escape sequence, must be terminated */
348 if (*str == '\0' && str[1] == C0_ESC && str[2] == ']')
349 append = CHAR_ST;
350
351 /* add trailing character as required */
352 if (append && d[-1] != append)
353 *d++ = append;
354 *d = '\0';
355
356 return (d - str);
357}
358
359/*
360 * Split a comma-separated string into an array, stripping leading and
361 * trailing spaces from each entry. Empty strings are properly returned
362 * Caller should free each entry and array when done
363 */
364char **
365rxvt_splitcommastring (const char *cs) NOTHROW
366{
367 int l, n, p;
368 const char *s, *t;
369 char **ret;
370
371 if ((s = cs) == NULL)
372 s = "";
373 302
374 for (n = 1, t = s; *t; t++) 303 for (n = 1, t = s; *t; t++)
375 if (*t == ',') 304 if (*t == delim)
376 n++; 305 n++;
377 306
378 ret = (char **)malloc ((n + 1) * sizeof (char *)); 307 ret = (char **)malloc ((n + 1) * sizeof (char *));
379 ret[n] = NULL; 308 ret[n] = NULL;
380 309
381 for (l = 0, t = s; l < n; l++) 310 for (l = 0, t = s; l < n; l++)
382 { 311 {
383 for ( ; *t && *t != ','; t++) ; 312 for (; *t && *t != delim; t++)
384 p = t - s; 313 ;
385 ret[l] = (char *)malloc (p + 1); 314 *t = '\0';
386 strncpy (ret[l], s, p);
387 ret[l][p] = '\0'; 315 ret[l] = s;
388 rxvt_Str_trim (ret[l]); 316 rxvt_strtrim (ret[l]);
389 s = ++t; 317 s = ++t;
390 } 318 }
391 319
392 return ret; 320 return ret;
393} 321}
394 322
395void 323void *
396rxvt_freecommastring (char **cs) NOTHROW 324rxvt_malloc (size_t size)
397{ 325{
398 for (int i = 0; cs[i]; ++i) 326 void *p = malloc (size);
399 free (cs[i]);
400 327
401 free (cs); 328 if (!p)
402} 329 rxvt_fatal ("memory allocation failure. aborting.\n");
403 330
331 return p;
332}
404 333
334void *
335rxvt_calloc (size_t number, size_t size)
336{
337 void *p = calloc (number, size);
405 338
339 if (!p)
340 rxvt_fatal ("memory allocation failure. aborting.\n");
341
342 return p;
343}
344
345void *
346rxvt_realloc (void *ptr, size_t size)
347{
348 void *p = realloc (ptr, size);
349
350 if (!p)
351 rxvt_fatal ("memory allocation failure. aborting.\n");
352
353 return p;
354}
355
356KeySym
357rxvt_XKeycodeToKeysym (Display *dpy, KeyCode code, int index)
358{
359 int size;
360 KeySym *mapping = XGetKeyboardMapping (dpy, code, 1, &size);
361 KeySym keysym = IN_RANGE_EXC (index, 0, size) ? mapping[index] : NoSymbol;
362 XFree (mapping);
363 return keysym;
364}

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