|
7
|
1 /* vi:set ts=8 sts=4 sw=4:
|
|
|
2 *
|
|
|
3 * VIM - Vi IMproved by Bram Moolenaar
|
|
|
4 *
|
|
|
5 * Do ":help uganda" in Vim to read copying and usage conditions.
|
|
|
6 * Do ":help credits" in Vim to see a list of people who contributed.
|
|
|
7 * See README.txt for an overview of the Vim source code.
|
|
|
8 */
|
|
|
9
|
|
|
10 #include "vim.h"
|
|
|
11
|
|
|
12 #ifdef FEAT_LINEBREAK
|
|
|
13 static int win_chartabsize __ARGS((win_T *wp, char_u *p, colnr_T col));
|
|
|
14 #endif
|
|
|
15
|
|
|
16 #ifdef FEAT_MBYTE
|
|
|
17 static int win_nolbr_chartabsize __ARGS((win_T *wp, char_u *s, colnr_T col, int *headp));
|
|
|
18 #endif
|
|
|
19
|
|
|
20 static int nr2hex __ARGS((int c));
|
|
|
21
|
|
|
22 static int chartab_initialized = FALSE;
|
|
|
23
|
|
|
24 /* b_chartab[] is an array of 32 bytes, each bit representing one of the
|
|
|
25 * characters 0-255. */
|
|
|
26 #define SET_CHARTAB(buf, c) (buf)->b_chartab[(unsigned)(c) >> 3] |= (1 << ((c) & 0x7))
|
|
|
27 #define RESET_CHARTAB(buf, c) (buf)->b_chartab[(unsigned)(c) >> 3] &= ~(1 << ((c) & 0x7))
|
|
|
28 #define GET_CHARTAB(buf, c) ((buf)->b_chartab[(unsigned)(c) >> 3] & (1 << ((c) & 0x7)))
|
|
|
29
|
|
|
30 /*
|
|
|
31 * Fill chartab[]. Also fills curbuf->b_chartab[] with flags for keyword
|
|
|
32 * characters for current buffer.
|
|
|
33 *
|
|
|
34 * Depends on the option settings 'iskeyword', 'isident', 'isfname',
|
|
|
35 * 'isprint' and 'encoding'.
|
|
|
36 *
|
|
|
37 * The index in chartab[] depends on 'encoding':
|
|
|
38 * - For non-multi-byte index with the byte (same as the character).
|
|
|
39 * - For DBCS index with the first byte.
|
|
|
40 * - For UTF-8 index with the character (when first byte is up to 0x80 it is
|
|
|
41 * the same as the character, if the first byte is 0x80 and above it depends
|
|
|
42 * on further bytes).
|
|
|
43 *
|
|
|
44 * The contents of chartab[]:
|
|
|
45 * - The lower two bits, masked by CT_CELL_MASK, give the number of display
|
|
|
46 * cells the character occupies (1 or 2). Not valid for UTF-8 above 0x80.
|
|
|
47 * - CT_PRINT_CHAR bit is set when the character is printable (no need to
|
|
|
48 * translate the character before displaying it). Note that only DBCS
|
|
|
49 * characters can have 2 display cells and still be printable.
|
|
|
50 * - CT_FNAME_CHAR bit is set when the character can be in a file name.
|
|
|
51 * - CT_ID_CHAR bit is set when the character can be in an identifier.
|
|
|
52 *
|
|
|
53 * Return FAIL if 'iskeyword', 'isident', 'isfname' or 'isprint' option has an
|
|
|
54 * error, OK otherwise.
|
|
|
55 */
|
|
|
56 int
|
|
|
57 init_chartab()
|
|
|
58 {
|
|
|
59 return buf_init_chartab(curbuf, TRUE);
|
|
|
60 }
|
|
|
61
|
|
|
62 int
|
|
|
63 buf_init_chartab(buf, global)
|
|
|
64 buf_T *buf;
|
|
|
65 int global; /* FALSE: only set buf->b_chartab[] */
|
|
|
66 {
|
|
|
67 int c;
|
|
|
68 int c2;
|
|
|
69 char_u *p;
|
|
|
70 int i;
|
|
|
71 int tilde;
|
|
|
72 int do_isalpha;
|
|
|
73
|
|
|
74 if (global)
|
|
|
75 {
|
|
|
76 /*
|
|
|
77 * Set the default size for printable characters:
|
|
|
78 * From <Space> to '~' is 1 (printable), others are 2 (not printable).
|
|
|
79 * This also inits all 'isident' and 'isfname' flags to FALSE.
|
|
|
80 *
|
|
|
81 * EBCDIC: all chars below ' ' are not printable, all others are
|
|
|
82 * printable.
|
|
|
83 */
|
|
|
84 c = 0;
|
|
|
85 while (c < ' ')
|
|
|
86 chartab[c++] = (dy_flags & DY_UHEX) ? 4 : 2;
|
|
|
87 #ifdef EBCDIC
|
|
|
88 while (c < 255)
|
|
|
89 #else
|
|
|
90 while (c <= '~')
|
|
|
91 #endif
|
|
|
92 chartab[c++] = 1 + CT_PRINT_CHAR;
|
|
|
93 #ifdef FEAT_FKMAP
|
|
|
94 if (p_altkeymap)
|
|
|
95 {
|
|
|
96 while (c < YE)
|
|
|
97 chartab[c++] = 1 + CT_PRINT_CHAR;
|
|
|
98 }
|
|
|
99 #endif
|
|
|
100 while (c < 256)
|
|
|
101 {
|
|
|
102 #ifdef FEAT_MBYTE
|
|
|
103 /* UTF-8: bytes 0xa0 - 0xff are printable (latin1) */
|
|
|
104 if (enc_utf8 && c >= 0xa0)
|
|
|
105 chartab[c++] = CT_PRINT_CHAR + 1;
|
|
|
106 /* euc-jp characters starting with 0x8e are single width */
|
|
|
107 else if (enc_dbcs == DBCS_JPNU && c == 0x8e)
|
|
|
108 chartab[c++] = CT_PRINT_CHAR + 1;
|
|
|
109 /* other double-byte chars can be printable AND double-width */
|
|
|
110 else if (enc_dbcs != 0 && MB_BYTE2LEN(c) == 2)
|
|
|
111 chartab[c++] = CT_PRINT_CHAR + 2;
|
|
|
112 else
|
|
|
113 #endif
|
|
|
114 /* the rest is unprintable by default */
|
|
|
115 chartab[c++] = (dy_flags & DY_UHEX) ? 4 : 2;
|
|
|
116 }
|
|
|
117
|
|
|
118 #ifdef FEAT_MBYTE
|
|
|
119 /* Assume that every multi-byte char is a filename character. */
|
|
|
120 for (c = 1; c < 256; ++c)
|
|
|
121 if ((enc_dbcs != 0 && MB_BYTE2LEN(c) > 1)
|
|
|
122 || (enc_dbcs == DBCS_JPNU && c == 0x8e)
|
|
|
123 || (enc_utf8 && c >= 0xa0))
|
|
|
124 chartab[c] |= CT_FNAME_CHAR;
|
|
|
125 #endif
|
|
|
126 }
|
|
|
127
|
|
|
128 /*
|
|
|
129 * Init word char flags all to FALSE
|
|
|
130 */
|
|
|
131 vim_memset(buf->b_chartab, 0, (size_t)32);
|
|
|
132 #ifdef FEAT_MBYTE
|
|
|
133 for (c = 0; c < 256; ++c)
|
|
|
134 {
|
|
|
135 /* double-byte characters are probably word characters */
|
|
|
136 if (enc_dbcs != 0 && MB_BYTE2LEN(c) == 2)
|
|
|
137 SET_CHARTAB(buf, c);
|
|
|
138 }
|
|
|
139 #endif
|
|
|
140
|
|
|
141 #ifdef FEAT_LISP
|
|
|
142 /*
|
|
|
143 * In lisp mode the '-' character is included in keywords.
|
|
|
144 */
|
|
|
145 if (buf->b_p_lisp)
|
|
|
146 SET_CHARTAB(buf, '-');
|
|
|
147 #endif
|
|
|
148
|
|
|
149 /* Walk through the 'isident', 'iskeyword', 'isfname' and 'isprint'
|
|
|
150 * options Each option is a list of characters, character numbers or
|
|
|
151 * ranges, separated by commas, e.g.: "200-210,x,#-178,-"
|
|
|
152 */
|
|
|
153 for (i = global ? 0 : 3; i <= 3; ++i)
|
|
|
154 {
|
|
|
155 if (i == 0)
|
|
|
156 p = p_isi; /* first round: 'isident' */
|
|
|
157 else if (i == 1)
|
|
|
158 p = p_isp; /* second round: 'isprint' */
|
|
|
159 else if (i == 2)
|
|
|
160 p = p_isf; /* third round: 'isfname' */
|
|
|
161 else /* i == 3 */
|
|
|
162 p = buf->b_p_isk; /* fourth round: 'iskeyword' */
|
|
|
163
|
|
|
164 while (*p)
|
|
|
165 {
|
|
|
166 tilde = FALSE;
|
|
|
167 do_isalpha = FALSE;
|
|
|
168 if (*p == '^' && p[1] != NUL)
|
|
|
169 {
|
|
|
170 tilde = TRUE;
|
|
|
171 ++p;
|
|
|
172 }
|
|
|
173 if (VIM_ISDIGIT(*p))
|
|
|
174 c = getdigits(&p);
|
|
|
175 else
|
|
|
176 c = *p++;
|
|
|
177 c2 = -1;
|
|
|
178 if (*p == '-' && p[1] != NUL)
|
|
|
179 {
|
|
|
180 ++p;
|
|
|
181 if (VIM_ISDIGIT(*p))
|
|
|
182 c2 = getdigits(&p);
|
|
|
183 else
|
|
|
184 c2 = *p++;
|
|
|
185 }
|
|
|
186 if (c <= 0 || (c2 < c && c2 != -1) || c2 >= 256
|
|
|
187 || !(*p == NUL || *p == ','))
|
|
|
188 return FAIL;
|
|
|
189
|
|
|
190 if (c2 == -1) /* not a range */
|
|
|
191 {
|
|
|
192 /*
|
|
|
193 * A single '@' (not "@-@"):
|
|
|
194 * Decide on letters being ID/printable/keyword chars with
|
|
|
195 * standard function isalpha(). This takes care of locale for
|
|
|
196 * single-byte characters).
|
|
|
197 */
|
|
|
198 if (c == '@')
|
|
|
199 {
|
|
|
200 do_isalpha = TRUE;
|
|
|
201 c = 1;
|
|
|
202 c2 = 255;
|
|
|
203 }
|
|
|
204 else
|
|
|
205 c2 = c;
|
|
|
206 }
|
|
|
207 while (c <= c2)
|
|
|
208 {
|
|
|
209 if (!do_isalpha || isalpha(c)
|
|
|
210 #ifdef FEAT_FKMAP
|
|
|
211 || (p_altkeymap && (F_isalpha(c) || F_isdigit(c)))
|
|
|
212 #endif
|
|
|
213 )
|
|
|
214 {
|
|
|
215 if (i == 0) /* (re)set ID flag */
|
|
|
216 {
|
|
|
217 if (tilde)
|
|
|
218 chartab[c] &= ~CT_ID_CHAR;
|
|
|
219 else
|
|
|
220 chartab[c] |= CT_ID_CHAR;
|
|
|
221 }
|
|
|
222 else if (i == 1) /* (re)set printable */
|
|
|
223 {
|
|
|
224 if ((c < ' '
|
|
|
225 #ifndef EBCDIC
|
|
|
226 || c > '~'
|
|
|
227 #endif
|
|
|
228 #ifdef FEAT_FKMAP
|
|
|
229 || (p_altkeymap
|
|
|
230 && (F_isalpha(c) || F_isdigit(c)))
|
|
|
231 #endif
|
|
|
232 )
|
|
|
233 #ifdef FEAT_MBYTE
|
|
|
234 /* For double-byte we keep the cell width, so
|
|
|
235 * that we can detect it from the first byte. */
|
|
|
236 && !(enc_dbcs && MB_BYTE2LEN(c) == 2)
|
|
|
237 #endif
|
|
|
238 )
|
|
|
239 {
|
|
|
240 if (tilde)
|
|
|
241 {
|
|
|
242 chartab[c] = (chartab[c] & ~CT_CELL_MASK)
|
|
|
243 + ((dy_flags & DY_UHEX) ? 4 : 2);
|
|
|
244 chartab[c] &= ~CT_PRINT_CHAR;
|
|
|
245 }
|
|
|
246 else
|
|
|
247 {
|
|
|
248 chartab[c] = (chartab[c] & ~CT_CELL_MASK) + 1;
|
|
|
249 chartab[c] |= CT_PRINT_CHAR;
|
|
|
250 }
|
|
|
251 }
|
|
|
252 }
|
|
|
253 else if (i == 2) /* (re)set fname flag */
|
|
|
254 {
|
|
|
255 if (tilde)
|
|
|
256 chartab[c] &= ~CT_FNAME_CHAR;
|
|
|
257 else
|
|
|
258 chartab[c] |= CT_FNAME_CHAR;
|
|
|
259 }
|
|
|
260 else /* i == 3 */ /* (re)set keyword flag */
|
|
|
261 {
|
|
|
262 if (tilde)
|
|
|
263 RESET_CHARTAB(buf, c);
|
|
|
264 else
|
|
|
265 SET_CHARTAB(buf, c);
|
|
|
266 }
|
|
|
267 }
|
|
|
268 ++c;
|
|
|
269 }
|
|
|
270 p = skip_to_option_part(p);
|
|
|
271 }
|
|
|
272 }
|
|
|
273 chartab_initialized = TRUE;
|
|
|
274 return OK;
|
|
|
275 }
|
|
|
276
|
|
|
277 /*
|
|
|
278 * Translate any special characters in buf[bufsize] in-place.
|
|
|
279 * The result is a string with only printable characters, but if there is not
|
|
|
280 * enough room, not all characters will be translated.
|
|
|
281 */
|
|
|
282 void
|
|
|
283 trans_characters(buf, bufsize)
|
|
|
284 char_u *buf;
|
|
|
285 int bufsize;
|
|
|
286 {
|
|
|
287 int len; /* length of string needing translation */
|
|
|
288 int room; /* room in buffer after string */
|
|
|
289 char_u *trs; /* translated character */
|
|
|
290 int trs_len; /* length of trs[] */
|
|
|
291
|
|
|
292 len = (int)STRLEN(buf);
|
|
|
293 room = bufsize - len;
|
|
|
294 while (*buf != 0)
|
|
|
295 {
|
|
|
296 # ifdef FEAT_MBYTE
|
|
|
297 /* Assume a multi-byte character doesn't need translation. */
|
|
|
298 if (has_mbyte && (trs_len = (*mb_ptr2len_check)(buf)) > 1)
|
|
|
299 len -= trs_len;
|
|
|
300 else
|
|
|
301 # endif
|
|
|
302 {
|
|
|
303 trs = transchar_byte(*buf);
|
|
|
304 trs_len = (int)STRLEN(trs);
|
|
|
305 if (trs_len > 1)
|
|
|
306 {
|
|
|
307 room -= trs_len - 1;
|
|
|
308 if (room <= 0)
|
|
|
309 return;
|
|
|
310 mch_memmove(buf + trs_len, buf + 1, (size_t)len);
|
|
|
311 }
|
|
|
312 mch_memmove(buf, trs, (size_t)trs_len);
|
|
|
313 --len;
|
|
|
314 }
|
|
|
315 buf += trs_len;
|
|
|
316 }
|
|
|
317 }
|
|
|
318
|
|
|
319 #if defined(FEAT_EVAL) || defined(FEAT_TITLE) || defined(PROTO)
|
|
|
320 /*
|
|
|
321 * Translate a string into allocated memory, replacing special chars with
|
|
|
322 * printable chars. Returns NULL when out of memory.
|
|
|
323 */
|
|
|
324 char_u *
|
|
|
325 transstr(s)
|
|
|
326 char_u *s;
|
|
|
327 {
|
|
|
328 char_u *res;
|
|
|
329 char_u *p;
|
|
|
330 #ifdef FEAT_MBYTE
|
|
|
331 int l, len, c;
|
|
|
332 char_u hexbuf[11];
|
|
|
333 #endif
|
|
|
334
|
|
|
335 #ifdef FEAT_MBYTE
|
|
|
336 if (has_mbyte)
|
|
|
337 {
|
|
|
338 /* Compute the length of the result, taking account of unprintable
|
|
|
339 * multi-byte characters. */
|
|
|
340 len = 0;
|
|
|
341 p = s;
|
|
|
342 while (*p != NUL)
|
|
|
343 {
|
|
|
344 if ((l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
345 {
|
|
|
346 c = (*mb_ptr2char)(p);
|
|
|
347 p += l;
|
|
|
348 if (vim_isprintc(c))
|
|
|
349 len += l;
|
|
|
350 else
|
|
|
351 {
|
|
|
352 transchar_hex(hexbuf, c);
|
|
|
353 len += STRLEN(hexbuf);
|
|
|
354 }
|
|
|
355 }
|
|
|
356 else
|
|
|
357 {
|
|
|
358 l = byte2cells(*p++);
|
|
|
359 if (l > 0)
|
|
|
360 len += l;
|
|
|
361 else
|
|
|
362 len += 4; /* illegal byte sequence */
|
|
|
363 }
|
|
|
364 }
|
|
|
365 res = alloc((unsigned)(len + 1));
|
|
|
366 }
|
|
|
367 else
|
|
|
368 #endif
|
|
|
369 res = alloc((unsigned)(vim_strsize(s) + 1));
|
|
|
370 if (res != NULL)
|
|
|
371 {
|
|
|
372 *res = NUL;
|
|
|
373 p = s;
|
|
|
374 while (*p != NUL)
|
|
|
375 {
|
|
|
376 #ifdef FEAT_MBYTE
|
|
|
377 if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1)
|
|
|
378 {
|
|
|
379 c = (*mb_ptr2char)(p);
|
|
|
380 if (vim_isprintc(c))
|
|
|
381 STRNCAT(res, p, l); /* append printable multi-byte char */
|
|
|
382 else
|
|
|
383 transchar_hex(res + STRLEN(res), c);
|
|
|
384 p += l;
|
|
|
385 }
|
|
|
386 else
|
|
|
387 #endif
|
|
|
388 STRCAT(res, transchar_byte(*p++));
|
|
|
389 }
|
|
|
390 }
|
|
|
391 return res;
|
|
|
392 }
|
|
|
393 #endif
|
|
|
394
|
|
|
395 #if defined(FEAT_SYN_HL) || defined(FEAT_INS_EXPAND) || defined(PROTO)
|
|
|
396 /*
|
|
221
|
397 * Convert the string "str[orglen]" to do ignore-case comparing. Uses the
|
|
|
398 * current locale.
|
|
130
|
399 * When "buf" is NULL returns an allocated string (NULL for out-of-memory).
|
|
|
400 * Otherwise puts the result in "buf[buflen]".
|
|
7
|
401 */
|
|
|
402 char_u *
|
|
130
|
403 str_foldcase(str, orglen, buf, buflen)
|
|
7
|
404 char_u *str;
|
|
130
|
405 int orglen;
|
|
|
406 char_u *buf;
|
|
|
407 int buflen;
|
|
7
|
408 {
|
|
|
409 garray_T ga;
|
|
|
410 int i;
|
|
130
|
411 int len = orglen;
|
|
7
|
412
|
|
|
413 #define GA_CHAR(i) ((char_u *)ga.ga_data)[i]
|
|
|
414 #define GA_PTR(i) ((char_u *)ga.ga_data + i)
|
|
130
|
415 #define STR_CHAR(i) (buf == NULL ? GA_CHAR(i) : buf[i])
|
|
|
416 #define STR_PTR(i) (buf == NULL ? GA_PTR(i) : buf + i)
|
|
7
|
417
|
|
130
|
418 /* Copy "str" into "buf" or allocated memory, unmodified. */
|
|
|
419 if (buf == NULL)
|
|
|
420 {
|
|
|
421 ga_init2(&ga, 1, 10);
|
|
|
422 if (ga_grow(&ga, len + 1) == FAIL)
|
|
|
423 return NULL;
|
|
|
424 mch_memmove(ga.ga_data, str, (size_t)len);
|
|
|
425 ga.ga_len = len;
|
|
|
426 }
|
|
|
427 else
|
|
|
428 {
|
|
|
429 if (len >= buflen) /* Ugly! */
|
|
|
430 len = buflen - 1;
|
|
|
431 mch_memmove(buf, str, (size_t)len);
|
|
|
432 }
|
|
|
433 if (buf == NULL)
|
|
|
434 GA_CHAR(len) = NUL;
|
|
|
435 else
|
|
|
436 buf[len] = NUL;
|
|
7
|
437
|
|
|
438 /* Make each character lower case. */
|
|
|
439 i = 0;
|
|
130
|
440 while (STR_CHAR(i) != NUL)
|
|
7
|
441 {
|
|
|
442 #ifdef FEAT_MBYTE
|
|
130
|
443 if (enc_utf8 || (has_mbyte && MB_BYTE2LEN(STR_CHAR(i)) > 1))
|
|
7
|
444 {
|
|
|
445 if (enc_utf8)
|
|
|
446 {
|
|
|
447 int c, lc;
|
|
|
448
|
|
130
|
449 c = utf_ptr2char(STR_PTR(i));
|
|
7
|
450 lc = utf_tolower(c);
|
|
|
451 if (c != lc)
|
|
|
452 {
|
|
|
453 int ol = utf_char2len(c);
|
|
|
454 int nl = utf_char2len(lc);
|
|
|
455
|
|
|
456 /* If the byte length changes need to shift the following
|
|
|
457 * characters forward or backward. */
|
|
|
458 if (ol != nl)
|
|
|
459 {
|
|
|
460 if (nl > ol)
|
|
130
|
461 {
|
|
|
462 if (buf == NULL ? ga_grow(&ga, nl - ol + 1) == FAIL
|
|
|
463 : len + nl - ol >= buflen)
|
|
7
|
464 {
|
|
|
465 /* out of memory, keep old char */
|
|
|
466 lc = c;
|
|
|
467 nl = ol;
|
|
|
468 }
|
|
130
|
469 }
|
|
7
|
470 if (ol != nl)
|
|
|
471 {
|
|
130
|
472 if (buf == NULL)
|
|
|
473 {
|
|
|
474 mch_memmove(GA_PTR(i) + nl, GA_PTR(i) + ol,
|
|
7
|
475 STRLEN(GA_PTR(i) + ol) + 1);
|
|
130
|
476 ga.ga_len += nl - ol;
|
|
|
477 }
|
|
|
478 else
|
|
|
479 {
|
|
|
480 mch_memmove(buf + i + nl, buf + i + ol,
|
|
|
481 STRLEN(buf + i + ol) + 1);
|
|
|
482 len += nl - ol;
|
|
|
483 }
|
|
7
|
484 }
|
|
|
485 }
|
|
130
|
486 (void)utf_char2bytes(lc, STR_PTR(i));
|
|
7
|
487 }
|
|
|
488 }
|
|
|
489 /* skip to next multi-byte char */
|
|
130
|
490 i += (*mb_ptr2len_check)(STR_PTR(i));
|
|
7
|
491 }
|
|
|
492 else
|
|
|
493 #endif
|
|
|
494 {
|
|
130
|
495 if (buf == NULL)
|
|
|
496 GA_CHAR(i) = TOLOWER_LOC(GA_CHAR(i));
|
|
|
497 else
|
|
|
498 buf[i] = TOLOWER_LOC(buf[i]);
|
|
7
|
499 ++i;
|
|
|
500 }
|
|
|
501 }
|
|
|
502
|
|
130
|
503 if (buf == NULL)
|
|
|
504 return (char_u *)ga.ga_data;
|
|
|
505 return buf;
|
|
7
|
506 }
|
|
|
507 #endif
|
|
|
508
|
|
|
509 /*
|
|
|
510 * Catch 22: chartab[] can't be initialized before the options are
|
|
|
511 * initialized, and initializing options may cause transchar() to be called!
|
|
|
512 * When chartab_initialized == FALSE don't use chartab[].
|
|
|
513 * Does NOT work for multi-byte characters, c must be <= 255.
|
|
|
514 * Also doesn't work for the first byte of a multi-byte, "c" must be a
|
|
|
515 * character!
|
|
|
516 */
|
|
|
517 static char_u transchar_buf[7];
|
|
|
518
|
|
|
519 char_u *
|
|
|
520 transchar(c)
|
|
|
521 int c;
|
|
|
522 {
|
|
|
523 int i;
|
|
|
524
|
|
|
525 i = 0;
|
|
|
526 if (IS_SPECIAL(c)) /* special key code, display as ~@ char */
|
|
|
527 {
|
|
|
528 transchar_buf[0] = '~';
|
|
|
529 transchar_buf[1] = '@';
|
|
|
530 i = 2;
|
|
|
531 c = K_SECOND(c);
|
|
|
532 }
|
|
|
533
|
|
|
534 if ((!chartab_initialized && (
|
|
|
535 #ifdef EBCDIC
|
|
|
536 (c >= 64 && c < 255)
|
|
|
537 #else
|
|
|
538 (c >= ' ' && c <= '~')
|
|
|
539 #endif
|
|
|
540 #ifdef FEAT_FKMAP
|
|
|
541 || F_ischar(c)
|
|
|
542 #endif
|
|
|
543 )) || (c < 256 && vim_isprintc_strict(c)))
|
|
|
544 {
|
|
|
545 /* printable character */
|
|
|
546 transchar_buf[i] = c;
|
|
|
547 transchar_buf[i + 1] = NUL;
|
|
|
548 }
|
|
|
549 else
|
|
|
550 transchar_nonprint(transchar_buf + i, c);
|
|
|
551 return transchar_buf;
|
|
|
552 }
|
|
|
553
|
|
|
554 #if defined(FEAT_MBYTE) || defined(PROTO)
|
|
|
555 /*
|
|
|
556 * Like transchar(), but called with a byte instead of a character. Checks
|
|
|
557 * for an illegal UTF-8 byte.
|
|
|
558 */
|
|
|
559 char_u *
|
|
|
560 transchar_byte(c)
|
|
|
561 int c;
|
|
|
562 {
|
|
|
563 if (enc_utf8 && c >= 0x80)
|
|
|
564 {
|
|
|
565 transchar_nonprint(transchar_buf, c);
|
|
|
566 return transchar_buf;
|
|
|
567 }
|
|
|
568 return transchar(c);
|
|
|
569 }
|
|
|
570 #endif
|
|
|
571
|
|
|
572 /*
|
|
|
573 * Convert non-printable character to two or more printable characters in
|
|
|
574 * "buf[]". "buf" needs to be able to hold five bytes.
|
|
|
575 * Does NOT work for multi-byte characters, c must be <= 255.
|
|
|
576 */
|
|
|
577 void
|
|
|
578 transchar_nonprint(buf, c)
|
|
|
579 char_u *buf;
|
|
|
580 int c;
|
|
|
581 {
|
|
|
582 if (c == NL)
|
|
|
583 c = NUL; /* we use newline in place of a NUL */
|
|
|
584 else if (c == CAR && get_fileformat(curbuf) == EOL_MAC)
|
|
|
585 c = NL; /* we use CR in place of NL in this case */
|
|
|
586
|
|
|
587 if (dy_flags & DY_UHEX) /* 'display' has "uhex" */
|
|
|
588 transchar_hex(buf, c);
|
|
|
589
|
|
|
590 #ifdef EBCDIC
|
|
|
591 /* For EBCDIC only the characters 0-63 and 255 are not printable */
|
|
|
592 else if (CtrlChar(c) != 0 || c == DEL)
|
|
|
593 #else
|
|
|
594 else if (c <= 0x7f) /* 0x00 - 0x1f and 0x7f */
|
|
|
595 #endif
|
|
|
596 {
|
|
|
597 buf[0] = '^';
|
|
|
598 #ifdef EBCDIC
|
|
|
599 if (c == DEL)
|
|
|
600 buf[1] = '?'; /* DEL displayed as ^? */
|
|
|
601 else
|
|
|
602 buf[1] = CtrlChar(c);
|
|
|
603 #else
|
|
|
604 buf[1] = c ^ 0x40; /* DEL displayed as ^? */
|
|
|
605 #endif
|
|
|
606
|
|
|
607 buf[2] = NUL;
|
|
|
608 }
|
|
|
609 #ifdef FEAT_MBYTE
|
|
|
610 else if (enc_utf8 && c >= 0x80)
|
|
|
611 {
|
|
|
612 transchar_hex(buf, c);
|
|
|
613 }
|
|
|
614 #endif
|
|
|
615 #ifndef EBCDIC
|
|
|
616 else if (c >= ' ' + 0x80 && c <= '~' + 0x80) /* 0xa0 - 0xfe */
|
|
|
617 {
|
|
|
618 buf[0] = '|';
|
|
|
619 buf[1] = c - 0x80;
|
|
|
620 buf[2] = NUL;
|
|
|
621 }
|
|
|
622 #else
|
|
|
623 else if (c < 64)
|
|
|
624 {
|
|
|
625 buf[0] = '~';
|
|
|
626 buf[1] = MetaChar(c);
|
|
|
627 buf[2] = NUL;
|
|
|
628 }
|
|
|
629 #endif
|
|
|
630 else /* 0x80 - 0x9f and 0xff */
|
|
|
631 {
|
|
|
632 /*
|
|
|
633 * TODO: EBCDIC I don't know what to do with this chars, so I display
|
|
|
634 * them as '~?' for now
|
|
|
635 */
|
|
|
636 buf[0] = '~';
|
|
|
637 #ifdef EBCDIC
|
|
|
638 buf[1] = '?'; /* 0xff displayed as ~? */
|
|
|
639 #else
|
|
|
640 buf[1] = (c - 0x80) ^ 0x40; /* 0xff displayed as ~? */
|
|
|
641 #endif
|
|
|
642 buf[2] = NUL;
|
|
|
643 }
|
|
|
644 }
|
|
|
645
|
|
|
646 void
|
|
|
647 transchar_hex(buf, c)
|
|
|
648 char_u *buf;
|
|
|
649 int c;
|
|
|
650 {
|
|
|
651 int i = 0;
|
|
|
652
|
|
|
653 buf[0] = '<';
|
|
|
654 #ifdef FEAT_MBYTE
|
|
|
655 if (c > 255)
|
|
|
656 {
|
|
|
657 buf[++i] = nr2hex((unsigned)c >> 12);
|
|
|
658 buf[++i] = nr2hex((unsigned)c >> 8);
|
|
|
659 }
|
|
|
660 #endif
|
|
|
661 buf[++i] = nr2hex((unsigned)c >> 4);
|
|
|
662 buf[++i] = nr2hex(c);
|
|
|
663 buf[++i] = '>';
|
|
|
664 buf[++i] = NUL;
|
|
|
665 }
|
|
|
666
|
|
|
667 /*
|
|
|
668 * Convert the lower 4 bits of byte "c" to its hex character.
|
|
|
669 * Lower case letters are used to avoid the confusion of <F1> being 0xf1 or
|
|
|
670 * function key 1.
|
|
|
671 */
|
|
|
672 static int
|
|
|
673 nr2hex(c)
|
|
|
674 int c;
|
|
|
675 {
|
|
|
676 if ((c & 0xf) <= 9)
|
|
|
677 return (c & 0xf) + '0';
|
|
|
678 return (c & 0xf) - 10 + 'a';
|
|
|
679 }
|
|
|
680
|
|
|
681 /*
|
|
|
682 * Return number of display cells occupied by byte "b".
|
|
|
683 * Caller must make sure 0 <= b <= 255.
|
|
|
684 * For multi-byte mode "b" must be the first byte of a character.
|
|
|
685 * A TAB is counted as two cells: "^I".
|
|
|
686 * For UTF-8 mode this will return 0 for bytes >= 0x80, because the number of
|
|
|
687 * cells depends on further bytes.
|
|
|
688 */
|
|
|
689 int
|
|
|
690 byte2cells(b)
|
|
|
691 int b;
|
|
|
692 {
|
|
|
693 #ifdef FEAT_MBYTE
|
|
|
694 if (enc_utf8 && b >= 0x80)
|
|
|
695 return 0;
|
|
|
696 #endif
|
|
|
697 return (chartab[b] & CT_CELL_MASK);
|
|
|
698 }
|
|
|
699
|
|
|
700 /*
|
|
|
701 * Return number of display cells occupied by character "c".
|
|
|
702 * "c" can be a special key (negative number) in which case 3 or 4 is returned.
|
|
|
703 * A TAB is counted as two cells: "^I" or four: "<09>".
|
|
|
704 */
|
|
|
705 int
|
|
|
706 char2cells(c)
|
|
|
707 int c;
|
|
|
708 {
|
|
|
709 if (IS_SPECIAL(c))
|
|
|
710 return char2cells(K_SECOND(c)) + 2;
|
|
|
711 #ifdef FEAT_MBYTE
|
|
|
712 if (c >= 0x80)
|
|
|
713 {
|
|
|
714 /* UTF-8: above 0x80 need to check the value */
|
|
|
715 if (enc_utf8)
|
|
|
716 return utf_char2cells(c);
|
|
|
717 /* DBCS: double-byte means double-width, except for euc-jp with first
|
|
|
718 * byte 0x8e */
|
|
|
719 if (enc_dbcs != 0 && c >= 0x100)
|
|
|
720 {
|
|
|
721 if (enc_dbcs == DBCS_JPNU && ((unsigned)c >> 8) == 0x8e)
|
|
|
722 return 1;
|
|
|
723 return 2;
|
|
|
724 }
|
|
|
725 }
|
|
|
726 #endif
|
|
|
727 return (chartab[c & 0xff] & CT_CELL_MASK);
|
|
|
728 }
|
|
|
729
|
|
|
730 /*
|
|
|
731 * Return number of display cells occupied by character at "*p".
|
|
|
732 * A TAB is counted as two cells: "^I" or four: "<09>".
|
|
|
733 */
|
|
|
734 int
|
|
|
735 ptr2cells(p)
|
|
|
736 char_u *p;
|
|
|
737 {
|
|
|
738 #ifdef FEAT_MBYTE
|
|
|
739 /* For UTF-8 we need to look at more bytes if the first byte is >= 0x80. */
|
|
|
740 if (enc_utf8 && *p >= 0x80)
|
|
|
741 return utf_ptr2cells(p);
|
|
|
742 /* For DBCS we can tell the cell count from the first byte. */
|
|
|
743 #endif
|
|
|
744 return (chartab[*p] & CT_CELL_MASK);
|
|
|
745 }
|
|
|
746
|
|
|
747 /*
|
|
|
748 * Return the number of characters string "s" will take on the screen,
|
|
|
749 * counting TABs as two characters: "^I".
|
|
|
750 */
|
|
|
751 int
|
|
|
752 vim_strsize(s)
|
|
|
753 char_u *s;
|
|
|
754 {
|
|
|
755 return vim_strnsize(s, (int)MAXCOL);
|
|
|
756 }
|
|
|
757
|
|
|
758 /*
|
|
|
759 * Return the number of characters string "s[len]" will take on the screen,
|
|
|
760 * counting TABs as two characters: "^I".
|
|
|
761 */
|
|
|
762 int
|
|
|
763 vim_strnsize(s, len)
|
|
|
764 char_u *s;
|
|
|
765 int len;
|
|
|
766 {
|
|
|
767 int size = 0;
|
|
|
768
|
|
|
769 while (*s != NUL && --len >= 0)
|
|
|
770 {
|
|
|
771 #ifdef FEAT_MBYTE
|
|
|
772 if (has_mbyte)
|
|
|
773 {
|
|
|
774 int l = (*mb_ptr2len_check)(s);
|
|
|
775
|
|
|
776 size += ptr2cells(s);
|
|
|
777 s += l;
|
|
|
778 len -= l - 1;
|
|
|
779 }
|
|
|
780 else
|
|
|
781 #endif
|
|
|
782 size += byte2cells(*s++);
|
|
|
783 }
|
|
|
784 return size;
|
|
|
785 }
|
|
|
786
|
|
|
787 /*
|
|
|
788 * Return the number of characters 'c' will take on the screen, taking
|
|
|
789 * into account the size of a tab.
|
|
|
790 * Use a define to make it fast, this is used very often!!!
|
|
|
791 * Also see getvcol() below.
|
|
|
792 */
|
|
|
793
|
|
|
794 #define RET_WIN_BUF_CHARTABSIZE(wp, buf, p, col) \
|
|
|
795 if (*(p) == TAB && (!(wp)->w_p_list || lcs_tab1)) \
|
|
|
796 { \
|
|
|
797 int ts; \
|
|
|
798 ts = (buf)->b_p_ts; \
|
|
|
799 return (int)(ts - (col % ts)); \
|
|
|
800 } \
|
|
|
801 else \
|
|
|
802 return ptr2cells(p);
|
|
|
803
|
|
|
804 #if defined(FEAT_VREPLACE) || defined(FEAT_EX_EXTRA) || defined(FEAT_GUI) \
|
|
|
805 || defined(FEAT_VIRTUALEDIT) || defined(PROTO)
|
|
|
806 int
|
|
|
807 chartabsize(p, col)
|
|
|
808 char_u *p;
|
|
|
809 colnr_T col;
|
|
|
810 {
|
|
|
811 RET_WIN_BUF_CHARTABSIZE(curwin, curbuf, p, col)
|
|
|
812 }
|
|
|
813 #endif
|
|
|
814
|
|
|
815 #ifdef FEAT_LINEBREAK
|
|
|
816 static int
|
|
|
817 win_chartabsize(wp, p, col)
|
|
|
818 win_T *wp;
|
|
|
819 char_u *p;
|
|
|
820 colnr_T col;
|
|
|
821 {
|
|
|
822 RET_WIN_BUF_CHARTABSIZE(wp, wp->w_buffer, p, col)
|
|
|
823 }
|
|
|
824 #endif
|
|
|
825
|
|
|
826 /*
|
|
|
827 * return the number of characters the string 's' will take on the screen,
|
|
|
828 * taking into account the size of a tab
|
|
|
829 */
|
|
|
830 int
|
|
|
831 linetabsize(s)
|
|
|
832 char_u *s;
|
|
|
833 {
|
|
|
834 colnr_T col = 0;
|
|
|
835
|
|
|
836 while (*s != NUL)
|
|
|
837 col += lbr_chartabsize_adv(&s, col);
|
|
|
838 return (int)col;
|
|
|
839 }
|
|
|
840
|
|
|
841 /*
|
|
|
842 * Like linetabsize(), but for a given window instead of the current one.
|
|
|
843 */
|
|
|
844 int
|
|
|
845 win_linetabsize(wp, p, len)
|
|
|
846 win_T *wp;
|
|
|
847 char_u *p;
|
|
|
848 colnr_T len;
|
|
|
849 {
|
|
|
850 colnr_T col = 0;
|
|
|
851 char_u *s;
|
|
|
852
|
|
40
|
853 for (s = p; *s != NUL && (len == MAXCOL || s < p + len); mb_ptr_adv(s))
|
|
7
|
854 col += win_lbr_chartabsize(wp, s, col, NULL);
|
|
|
855 return (int)col;
|
|
|
856 }
|
|
|
857
|
|
|
858 /*
|
|
42
|
859 * Return TRUE if 'c' is a normal identifier character:
|
|
|
860 * Letters and characters from the 'isident' option.
|
|
7
|
861 */
|
|
|
862 int
|
|
|
863 vim_isIDc(c)
|
|
|
864 int c;
|
|
|
865 {
|
|
|
866 return (c > 0 && c < 0x100 && (chartab[c] & CT_ID_CHAR));
|
|
|
867 }
|
|
|
868
|
|
|
869 /*
|
|
|
870 * return TRUE if 'c' is a keyword character: Letters and characters from
|
|
|
871 * 'iskeyword' option for current buffer.
|
|
|
872 * For multi-byte characters mb_get_class() is used (builtin rules).
|
|
|
873 */
|
|
|
874 int
|
|
|
875 vim_iswordc(c)
|
|
|
876 int c;
|
|
|
877 {
|
|
|
878 #ifdef FEAT_MBYTE
|
|
|
879 if (c >= 0x100)
|
|
|
880 {
|
|
|
881 if (enc_dbcs != 0)
|
|
|
882 return dbcs_class((unsigned)c >> 8, c & 0xff) >= 2;
|
|
|
883 if (enc_utf8)
|
|
|
884 return utf_class(c) >= 2;
|
|
|
885 }
|
|
|
886 #endif
|
|
|
887 return (c > 0 && c < 0x100 && GET_CHARTAB(curbuf, c) != 0);
|
|
|
888 }
|
|
|
889
|
|
|
890 /*
|
|
|
891 * Just like vim_iswordc() but uses a pointer to the (multi-byte) character.
|
|
|
892 */
|
|
|
893 int
|
|
|
894 vim_iswordp(p)
|
|
|
895 char_u *p;
|
|
|
896 {
|
|
|
897 #ifdef FEAT_MBYTE
|
|
|
898 if (has_mbyte && MB_BYTE2LEN(*p) > 1)
|
|
|
899 return mb_get_class(p) >= 2;
|
|
|
900 #endif
|
|
|
901 return GET_CHARTAB(curbuf, *p) != 0;
|
|
|
902 }
|
|
|
903
|
|
|
904 #if defined(FEAT_SYN_HL) || defined(PROTO)
|
|
|
905 int
|
|
|
906 vim_iswordc_buf(p, buf)
|
|
|
907 char_u *p;
|
|
|
908 buf_T *buf;
|
|
|
909 {
|
|
|
910 # ifdef FEAT_MBYTE
|
|
|
911 if (has_mbyte && MB_BYTE2LEN(*p) > 1)
|
|
|
912 return mb_get_class(p) >= 2;
|
|
|
913 # endif
|
|
|
914 return (GET_CHARTAB(buf, *p) != 0);
|
|
|
915 }
|
|
|
916 #endif
|
|
|
917
|
|
|
918 /*
|
|
|
919 * return TRUE if 'c' is a valid file-name character
|
|
|
920 * Assume characters above 0x100 are valid (multi-byte).
|
|
|
921 */
|
|
|
922 int
|
|
|
923 vim_isfilec(c)
|
|
|
924 int c;
|
|
|
925 {
|
|
|
926 return (c >= 0x100 || (c > 0 && (chartab[c] & CT_FNAME_CHAR)));
|
|
|
927 }
|
|
|
928
|
|
|
929 /*
|
|
|
930 * return TRUE if 'c' is a printable character
|
|
|
931 * Assume characters above 0x100 are printable (multi-byte), except for
|
|
|
932 * Unicode.
|
|
|
933 */
|
|
|
934 int
|
|
|
935 vim_isprintc(c)
|
|
|
936 int c;
|
|
|
937 {
|
|
|
938 #ifdef FEAT_MBYTE
|
|
|
939 if (enc_utf8 && c >= 0x100)
|
|
|
940 return utf_printable(c);
|
|
|
941 #endif
|
|
|
942 return (c >= 0x100 || (c > 0 && (chartab[c] & CT_PRINT_CHAR)));
|
|
|
943 }
|
|
|
944
|
|
|
945 /*
|
|
|
946 * Strict version of vim_isprintc(c), don't return TRUE if "c" is the head
|
|
|
947 * byte of a double-byte character.
|
|
|
948 */
|
|
|
949 int
|
|
|
950 vim_isprintc_strict(c)
|
|
|
951 int c;
|
|
|
952 {
|
|
|
953 #ifdef FEAT_MBYTE
|
|
|
954 if (enc_dbcs != 0 && c < 0x100 && MB_BYTE2LEN(c) > 1)
|
|
|
955 return FALSE;
|
|
|
956 if (enc_utf8 && c >= 0x100)
|
|
|
957 return utf_printable(c);
|
|
|
958 #endif
|
|
|
959 return (c >= 0x100 || (c > 0 && (chartab[c] & CT_PRINT_CHAR)));
|
|
|
960 }
|
|
|
961
|
|
|
962 /*
|
|
|
963 * like chartabsize(), but also check for line breaks on the screen
|
|
|
964 */
|
|
|
965 int
|
|
|
966 lbr_chartabsize(s, col)
|
|
|
967 unsigned char *s;
|
|
|
968 colnr_T col;
|
|
|
969 {
|
|
|
970 #ifdef FEAT_LINEBREAK
|
|
|
971 if (!curwin->w_p_lbr && *p_sbr == NUL)
|
|
|
972 {
|
|
|
973 #endif
|
|
|
974 #ifdef FEAT_MBYTE
|
|
|
975 if (curwin->w_p_wrap)
|
|
|
976 return win_nolbr_chartabsize(curwin, s, col, NULL);
|
|
|
977 #endif
|
|
|
978 RET_WIN_BUF_CHARTABSIZE(curwin, curbuf, s, col)
|
|
|
979 #ifdef FEAT_LINEBREAK
|
|
|
980 }
|
|
|
981 return win_lbr_chartabsize(curwin, s, col, NULL);
|
|
|
982 #endif
|
|
|
983 }
|
|
|
984
|
|
|
985 /*
|
|
|
986 * Call lbr_chartabsize() and advance the pointer.
|
|
|
987 */
|
|
|
988 int
|
|
|
989 lbr_chartabsize_adv(s, col)
|
|
|
990 char_u **s;
|
|
|
991 colnr_T col;
|
|
|
992 {
|
|
|
993 int retval;
|
|
|
994
|
|
|
995 retval = lbr_chartabsize(*s, col);
|
|
39
|
996 mb_ptr_adv(*s);
|
|
7
|
997 return retval;
|
|
|
998 }
|
|
|
999
|
|
|
1000 /*
|
|
|
1001 * This function is used very often, keep it fast!!!!
|
|
|
1002 *
|
|
|
1003 * If "headp" not NULL, set *headp to the size of what we for 'showbreak'
|
|
|
1004 * string at start of line. Warning: *headp is only set if it's a non-zero
|
|
|
1005 * value, init to 0 before calling.
|
|
|
1006 */
|
|
|
1007 /*ARGSUSED*/
|
|
|
1008 int
|
|
|
1009 win_lbr_chartabsize(wp, s, col, headp)
|
|
|
1010 win_T *wp;
|
|
|
1011 char_u *s;
|
|
|
1012 colnr_T col;
|
|
|
1013 int *headp;
|
|
|
1014 {
|
|
|
1015 #ifdef FEAT_LINEBREAK
|
|
|
1016 int c;
|
|
|
1017 int size;
|
|
|
1018 colnr_T col2;
|
|
|
1019 colnr_T colmax;
|
|
|
1020 int added;
|
|
|
1021 # ifdef FEAT_MBYTE
|
|
|
1022 int mb_added = 0;
|
|
|
1023 # else
|
|
|
1024 # define mb_added 0
|
|
|
1025 # endif
|
|
|
1026 int numberextra;
|
|
|
1027 char_u *ps;
|
|
|
1028 int tab_corr = (*s == TAB);
|
|
|
1029
|
|
|
1030 /*
|
|
|
1031 * No 'linebreak' and 'showbreak': return quickly.
|
|
|
1032 */
|
|
|
1033 if (!wp->w_p_lbr && *p_sbr == NUL)
|
|
|
1034 #endif
|
|
|
1035 {
|
|
|
1036 #ifdef FEAT_MBYTE
|
|
|
1037 if (wp->w_p_wrap)
|
|
|
1038 return win_nolbr_chartabsize(wp, s, col, headp);
|
|
|
1039 #endif
|
|
|
1040 RET_WIN_BUF_CHARTABSIZE(wp, wp->w_buffer, s, col)
|
|
|
1041 }
|
|
|
1042
|
|
|
1043 #ifdef FEAT_LINEBREAK
|
|
|
1044 /*
|
|
|
1045 * First get normal size, without 'linebreak'
|
|
|
1046 */
|
|
|
1047 size = win_chartabsize(wp, s, col);
|
|
|
1048 c = *s;
|
|
|
1049
|
|
|
1050 /*
|
|
|
1051 * If 'linebreak' set check at a blank before a non-blank if the line
|
|
|
1052 * needs a break here
|
|
|
1053 */
|
|
|
1054 if (wp->w_p_lbr
|
|
|
1055 && vim_isbreak(c)
|
|
|
1056 && !vim_isbreak(s[1])
|
|
|
1057 && !wp->w_p_list
|
|
|
1058 && wp->w_p_wrap
|
|
|
1059 # ifdef FEAT_VERTSPLIT
|
|
|
1060 && wp->w_width != 0
|
|
|
1061 # endif
|
|
|
1062 )
|
|
|
1063 {
|
|
|
1064 /*
|
|
|
1065 * Count all characters from first non-blank after a blank up to next
|
|
|
1066 * non-blank after a blank.
|
|
|
1067 */
|
|
|
1068 numberextra = win_col_off(wp);
|
|
|
1069 col2 = col;
|
|
|
1070 colmax = W_WIDTH(wp) - numberextra;
|
|
|
1071 if (col >= colmax)
|
|
|
1072 colmax += (((col - colmax)
|
|
|
1073 / (colmax + win_col_off2(wp))) + 1)
|
|
|
1074 * (colmax + win_col_off2(wp));
|
|
|
1075 for (;;)
|
|
|
1076 {
|
|
|
1077 ps = s;
|
|
39
|
1078 mb_ptr_adv(s);
|
|
7
|
1079 c = *s;
|
|
|
1080 if (!(c != NUL
|
|
|
1081 && (vim_isbreak(c)
|
|
|
1082 || (!vim_isbreak(c)
|
|
|
1083 && (col2 == col || !vim_isbreak(*ps))))))
|
|
|
1084 break;
|
|
|
1085
|
|
|
1086 col2 += win_chartabsize(wp, s, col2);
|
|
|
1087 if (col2 >= colmax) /* doesn't fit */
|
|
|
1088 {
|
|
|
1089 size = colmax - col;
|
|
|
1090 tab_corr = FALSE;
|
|
|
1091 break;
|
|
|
1092 }
|
|
|
1093 }
|
|
|
1094 }
|
|
|
1095 # ifdef FEAT_MBYTE
|
|
|
1096 else if (has_mbyte && size == 2 && MB_BYTE2LEN(*s) > 1
|
|
|
1097 && wp->w_p_wrap && in_win_border(wp, col))
|
|
|
1098 {
|
|
|
1099 ++size; /* Count the ">" in the last column. */
|
|
|
1100 mb_added = 1;
|
|
|
1101 }
|
|
|
1102 # endif
|
|
|
1103
|
|
|
1104 /*
|
|
|
1105 * May have to add something for 'showbreak' string at start of line
|
|
|
1106 * Set *headp to the size of what we add.
|
|
|
1107 */
|
|
|
1108 added = 0;
|
|
|
1109 if (*p_sbr != NUL && wp->w_p_wrap && col != 0)
|
|
|
1110 {
|
|
|
1111 numberextra = win_col_off(wp);
|
|
|
1112 col += numberextra + mb_added;
|
|
|
1113 if (col >= (colnr_T)W_WIDTH(wp))
|
|
|
1114 {
|
|
|
1115 col -= W_WIDTH(wp);
|
|
|
1116 numberextra = W_WIDTH(wp) - (numberextra - win_col_off2(wp));
|
|
|
1117 if (numberextra > 0)
|
|
|
1118 col = col % numberextra;
|
|
|
1119 }
|
|
|
1120 if (col == 0 || col + size > (colnr_T)W_WIDTH(wp))
|
|
|
1121 {
|
|
|
1122 added = vim_strsize(p_sbr);
|
|
|
1123 if (tab_corr)
|
|
|
1124 size += (added / wp->w_buffer->b_p_ts) * wp->w_buffer->b_p_ts;
|
|
|
1125 else
|
|
|
1126 size += added;
|
|
|
1127 if (col != 0)
|
|
|
1128 added = 0;
|
|
|
1129 }
|
|
|
1130 }
|
|
|
1131 if (headp != NULL)
|
|
|
1132 *headp = added + mb_added;
|
|
|
1133 return size;
|
|
|
1134 #endif
|
|
|
1135 }
|
|
|
1136
|
|
|
1137 #if defined(FEAT_MBYTE) || defined(PROTO)
|
|
|
1138 /*
|
|
|
1139 * Like win_lbr_chartabsize(), except that we know 'linebreak' is off and
|
|
|
1140 * 'wrap' is on. This means we need to check for a double-byte character that
|
|
|
1141 * doesn't fit at the end of the screen line.
|
|
|
1142 */
|
|
|
1143 static int
|
|
|
1144 win_nolbr_chartabsize(wp, s, col, headp)
|
|
|
1145 win_T *wp;
|
|
|
1146 char_u *s;
|
|
|
1147 colnr_T col;
|
|
|
1148 int *headp;
|
|
|
1149 {
|
|
|
1150 int n;
|
|
|
1151
|
|
|
1152 if (*s == TAB && (!wp->w_p_list || lcs_tab1))
|
|
|
1153 {
|
|
|
1154 n = wp->w_buffer->b_p_ts;
|
|
|
1155 return (int)(n - (col % n));
|
|
|
1156 }
|
|
|
1157 n = ptr2cells(s);
|
|
|
1158 /* Add one cell for a double-width character in the last column of the
|
|
|
1159 * window, displayed with a ">". */
|
|
|
1160 if (n == 2 && MB_BYTE2LEN(*s) > 1 && in_win_border(wp, col))
|
|
|
1161 {
|
|
|
1162 if (headp != NULL)
|
|
|
1163 *headp = 1;
|
|
|
1164 return 3;
|
|
|
1165 }
|
|
|
1166 return n;
|
|
|
1167 }
|
|
|
1168
|
|
|
1169 /*
|
|
|
1170 * Return TRUE if virtual column "vcol" is in the rightmost column of window
|
|
|
1171 * "wp".
|
|
|
1172 */
|
|
|
1173 int
|
|
|
1174 in_win_border(wp, vcol)
|
|
|
1175 win_T *wp;
|
|
|
1176 colnr_T vcol;
|
|
|
1177 {
|
|
|
1178 colnr_T width1; /* width of first line (after line number) */
|
|
|
1179 colnr_T width2; /* width of further lines */
|
|
|
1180
|
|
|
1181 #ifdef FEAT_VERTSPLIT
|
|
|
1182 if (wp->w_width == 0) /* there is no border */
|
|
|
1183 return FALSE;
|
|
|
1184 #endif
|
|
|
1185 width1 = W_WIDTH(wp) - win_col_off(wp);
|
|
|
1186 if (vcol < width1 - 1)
|
|
|
1187 return FALSE;
|
|
|
1188 if (vcol == width1 - 1)
|
|
|
1189 return TRUE;
|
|
|
1190 width2 = width1 + win_col_off2(wp);
|
|
|
1191 return ((vcol - width1) % width2 == width2 - 1);
|
|
|
1192 }
|
|
|
1193 #endif /* FEAT_MBYTE */
|
|
|
1194
|
|
|
1195 /*
|
|
|
1196 * Get virtual column number of pos.
|
|
|
1197 * start: on the first position of this character (TAB, ctrl)
|
|
|
1198 * cursor: where the cursor is on this character (first char, except for TAB)
|
|
|
1199 * end: on the last position of this character (TAB, ctrl)
|
|
|
1200 *
|
|
|
1201 * This is used very often, keep it fast!
|
|
|
1202 */
|
|
|
1203 void
|
|
|
1204 getvcol(wp, pos, start, cursor, end)
|
|
|
1205 win_T *wp;
|
|
|
1206 pos_T *pos;
|
|
|
1207 colnr_T *start;
|
|
|
1208 colnr_T *cursor;
|
|
|
1209 colnr_T *end;
|
|
|
1210 {
|
|
|
1211 colnr_T vcol;
|
|
|
1212 char_u *ptr; /* points to current char */
|
|
|
1213 char_u *posptr; /* points to char at pos->col */
|
|
|
1214 int incr;
|
|
|
1215 int head;
|
|
|
1216 int ts = wp->w_buffer->b_p_ts;
|
|
|
1217 int c;
|
|
|
1218
|
|
|
1219 vcol = 0;
|
|
|
1220 ptr = ml_get_buf(wp->w_buffer, pos->lnum, FALSE);
|
|
|
1221 posptr = ptr + pos->col;
|
|
|
1222
|
|
|
1223 /*
|
|
|
1224 * This function is used very often, do some speed optimizations.
|
|
|
1225 * When 'list', 'linebreak' and 'showbreak' are not set use a simple loop.
|
|
|
1226 * Also use this when 'list' is set but tabs take their normal size.
|
|
|
1227 */
|
|
|
1228 if ((!wp->w_p_list || lcs_tab1 != NUL)
|
|
|
1229 #ifdef FEAT_LINEBREAK
|
|
|
1230 && !wp->w_p_lbr && *p_sbr == NUL
|
|
|
1231 #endif
|
|
|
1232 )
|
|
|
1233 {
|
|
|
1234 #ifndef FEAT_MBYTE
|
|
|
1235 head = 0;
|
|
|
1236 #endif
|
|
|
1237 for (;;)
|
|
|
1238 {
|
|
|
1239 #ifdef FEAT_MBYTE
|
|
|
1240 head = 0;
|
|
|
1241 #endif
|
|
|
1242 c = *ptr;
|
|
|
1243 /* make sure we don't go past the end of the line */
|
|
|
1244 if (c == NUL)
|
|
|
1245 {
|
|
|
1246 incr = 1; /* NUL at end of line only takes one column */
|
|
|
1247 break;
|
|
|
1248 }
|
|
|
1249 /* A tab gets expanded, depending on the current column */
|
|
|
1250 if (c == TAB)
|
|
|
1251 incr = ts - (vcol % ts);
|
|
|
1252 else
|
|
|
1253 {
|
|
|
1254 #ifdef FEAT_MBYTE
|
|
|
1255 if (has_mbyte)
|
|
|
1256 {
|
|
|
1257 /* For utf-8, if the byte is >= 0x80, need to look at
|
|
|
1258 * further bytes to find the cell width. */
|
|
|
1259 if (enc_utf8 && c >= 0x80)
|
|
|
1260 incr = utf_ptr2cells(ptr);
|
|
|
1261 else
|
|
|
1262 incr = CHARSIZE(c);
|
|
|
1263
|
|
|
1264 /* If a double-cell char doesn't fit at the end of a line
|
|
|
1265 * it wraps to the next line, it's like this char is three
|
|
|
1266 * cells wide. */
|
|
|
1267 if (incr == 2 && wp->w_p_wrap && in_win_border(wp, vcol))
|
|
|
1268 {
|
|
|
1269 ++incr;
|
|
|
1270 head = 1;
|
|
|
1271 }
|
|
|
1272 }
|
|
|
1273 else
|
|
|
1274 #endif
|
|
|
1275 incr = CHARSIZE(c);
|
|
|
1276 }
|
|
|
1277
|
|
|
1278 if (ptr >= posptr) /* character at pos->col */
|
|
|
1279 break;
|
|
|
1280
|
|
|
1281 vcol += incr;
|
|
39
|
1282 mb_ptr_adv(ptr);
|
|
7
|
1283 }
|
|
|
1284 }
|
|
|
1285 else
|
|
|
1286 {
|
|
|
1287 for (;;)
|
|
|
1288 {
|
|
|
1289 /* A tab gets expanded, depending on the current column */
|
|
|
1290 head = 0;
|
|
|
1291 incr = win_lbr_chartabsize(wp, ptr, vcol, &head);
|
|
|
1292 /* make sure we don't go past the end of the line */
|
|
|
1293 if (*ptr == NUL)
|
|
|
1294 {
|
|
|
1295 incr = 1; /* NUL at end of line only takes one column */
|
|
|
1296 break;
|
|
|
1297 }
|
|
|
1298
|
|
|
1299 if (ptr >= posptr) /* character at pos->col */
|
|
|
1300 break;
|
|
|
1301
|
|
|
1302 vcol += incr;
|
|
39
|
1303 mb_ptr_adv(ptr);
|
|
7
|
1304 }
|
|
|
1305 }
|
|
|
1306 if (start != NULL)
|
|
|
1307 *start = vcol + head;
|
|
|
1308 if (end != NULL)
|
|
|
1309 *end = vcol + incr - 1;
|
|
|
1310 if (cursor != NULL)
|
|
|
1311 {
|
|
|
1312 if (*ptr == TAB
|
|
|
1313 && (State & NORMAL)
|
|
|
1314 && !wp->w_p_list
|
|
|
1315 && !virtual_active()
|
|
|
1316 #ifdef FEAT_VISUAL
|
|
|
1317 && !(VIsual_active
|
|
|
1318 && (*p_sel == 'e' || ltoreq(*pos, VIsual)))
|
|
|
1319 #endif
|
|
|
1320 )
|
|
|
1321 *cursor = vcol + incr - 1; /* cursor at end */
|
|
|
1322 else
|
|
|
1323 *cursor = vcol + head; /* cursor at start */
|
|
|
1324 }
|
|
|
1325 }
|
|
|
1326
|
|
|
1327 /*
|
|
|
1328 * Get virtual cursor column in the current window, pretending 'list' is off.
|
|
|
1329 */
|
|
|
1330 colnr_T
|
|
|
1331 getvcol_nolist(posp)
|
|
|
1332 pos_T *posp;
|
|
|
1333 {
|
|
|
1334 int list_save = curwin->w_p_list;
|
|
|
1335 colnr_T vcol;
|
|
|
1336
|
|
|
1337 curwin->w_p_list = FALSE;
|
|
|
1338 getvcol(curwin, posp, NULL, &vcol, NULL);
|
|
|
1339 curwin->w_p_list = list_save;
|
|
|
1340 return vcol;
|
|
|
1341 }
|
|
|
1342
|
|
|
1343 #if defined(FEAT_VIRTUALEDIT) || defined(PROTO)
|
|
|
1344 /*
|
|
|
1345 * Get virtual column in virtual mode.
|
|
|
1346 */
|
|
|
1347 void
|
|
|
1348 getvvcol(wp, pos, start, cursor, end)
|
|
|
1349 win_T *wp;
|
|
|
1350 pos_T *pos;
|
|
|
1351 colnr_T *start;
|
|
|
1352 colnr_T *cursor;
|
|
|
1353 colnr_T *end;
|
|
|
1354 {
|
|
|
1355 colnr_T col;
|
|
|
1356 colnr_T coladd;
|
|
|
1357 colnr_T endadd;
|
|
|
1358 # ifdef FEAT_MBYTE
|
|
|
1359 char_u *ptr;
|
|
|
1360 # endif
|
|
|
1361
|
|
|
1362 if (virtual_active())
|
|
|
1363 {
|
|
|
1364 /* For virtual mode, only want one value */
|
|
|
1365 getvcol(wp, pos, &col, NULL, NULL);
|
|
|
1366
|
|
|
1367 coladd = pos->coladd;
|
|
|
1368 endadd = 0;
|
|
|
1369 # ifdef FEAT_MBYTE
|
|
|
1370 /* Cannot put the cursor on part of a wide character. */
|
|
|
1371 ptr = ml_get_buf(wp->w_buffer, pos->lnum, FALSE);
|
|
|
1372 if (pos->col < STRLEN(ptr))
|
|
|
1373 {
|
|
|
1374 int c = (*mb_ptr2char)(ptr + pos->col);
|
|
|
1375
|
|
|
1376 if (c != TAB && vim_isprintc(c))
|
|
|
1377 {
|
|
|
1378 endadd = char2cells(c) - 1;
|
|
|
1379 if (coladd >= endadd)
|
|
|
1380 coladd -= endadd;
|
|
|
1381 else
|
|
|
1382 coladd = 0;
|
|
|
1383 }
|
|
|
1384 }
|
|
|
1385 # endif
|
|
|
1386 col += coladd;
|
|
|
1387 if (start != NULL)
|
|
|
1388 *start = col;
|
|
|
1389 if (cursor != NULL)
|
|
|
1390 *cursor = col;
|
|
|
1391 if (end != NULL)
|
|
|
1392 *end = col + endadd;
|
|
|
1393 }
|
|
|
1394 else
|
|
|
1395 getvcol(wp, pos, start, cursor, end);
|
|
|
1396 }
|
|
|
1397 #endif
|
|
|
1398
|
|
|
1399 #if defined(FEAT_VISUAL) || defined(PROTO)
|
|
|
1400 /*
|
|
|
1401 * Get the leftmost and rightmost virtual column of pos1 and pos2.
|
|
|
1402 * Used for Visual block mode.
|
|
|
1403 */
|
|
|
1404 void
|
|
|
1405 getvcols(wp, pos1, pos2, left, right)
|
|
|
1406 win_T *wp;
|
|
|
1407 pos_T *pos1, *pos2;
|
|
|
1408 colnr_T *left, *right;
|
|
|
1409 {
|
|
|
1410 colnr_T from1, from2, to1, to2;
|
|
|
1411
|
|
|
1412 if (ltp(pos1, pos2))
|
|
|
1413 {
|
|
|
1414 getvvcol(wp, pos1, &from1, NULL, &to1);
|
|
|
1415 getvvcol(wp, pos2, &from2, NULL, &to2);
|
|
|
1416 }
|
|
|
1417 else
|
|
|
1418 {
|
|
|
1419 getvvcol(wp, pos2, &from1, NULL, &to1);
|
|
|
1420 getvvcol(wp, pos1, &from2, NULL, &to2);
|
|
|
1421 }
|
|
|
1422 if (from2 < from1)
|
|
|
1423 *left = from2;
|
|
|
1424 else
|
|
|
1425 *left = from1;
|
|
|
1426 if (to2 > to1)
|
|
|
1427 {
|
|
|
1428 if (*p_sel == 'e' && from2 - 1 >= to1)
|
|
|
1429 *right = from2 - 1;
|
|
|
1430 else
|
|
|
1431 *right = to2;
|
|
|
1432 }
|
|
|
1433 else
|
|
|
1434 *right = to1;
|
|
|
1435 }
|
|
|
1436 #endif
|
|
|
1437
|
|
|
1438 /*
|
|
|
1439 * skipwhite: skip over ' ' and '\t'.
|
|
|
1440 */
|
|
|
1441 char_u *
|
|
|
1442 skipwhite(p)
|
|
|
1443 char_u *p;
|
|
|
1444 {
|
|
|
1445 while (vim_iswhite(*p)) /* skip to next non-white */
|
|
|
1446 ++p;
|
|
|
1447 return p;
|
|
|
1448 }
|
|
|
1449
|
|
|
1450 /*
|
|
|
1451 * skipdigits: skip over digits;
|
|
|
1452 */
|
|
|
1453 char_u *
|
|
|
1454 skipdigits(p)
|
|
|
1455 char_u *p;
|
|
|
1456 {
|
|
|
1457 while (VIM_ISDIGIT(*p)) /* skip to next non-digit */
|
|
|
1458 ++p;
|
|
|
1459 return p;
|
|
|
1460 }
|
|
|
1461
|
|
|
1462 /*
|
|
|
1463 * Variant of isdigit() that can handle characters > 0x100.
|
|
|
1464 * We don't use isdigit() here, because on some systems it also considers
|
|
|
1465 * superscript 1 to be a digit.
|
|
|
1466 * Use the VIM_ISDIGIT() macro for simple arguments.
|
|
|
1467 */
|
|
|
1468 int
|
|
|
1469 vim_isdigit(c)
|
|
|
1470 int c;
|
|
|
1471 {
|
|
|
1472 return (c >= '0' && c <= '9');
|
|
|
1473 }
|
|
|
1474
|
|
|
1475 /*
|
|
|
1476 * Variant of isxdigit() that can handle characters > 0x100.
|
|
|
1477 * We don't use isxdigit() here, because on some systems it also considers
|
|
|
1478 * superscript 1 to be a digit.
|
|
|
1479 */
|
|
|
1480 int
|
|
|
1481 vim_isxdigit(c)
|
|
|
1482 int c;
|
|
|
1483 {
|
|
|
1484 return (c >= '0' && c <= '9')
|
|
|
1485 || (c >= 'a' && c <= 'f')
|
|
|
1486 || (c >= 'A' && c <= 'F');
|
|
|
1487 }
|
|
|
1488
|
|
|
1489 /*
|
|
|
1490 * skiptowhite: skip over text until ' ' or '\t' or NUL.
|
|
|
1491 */
|
|
|
1492 char_u *
|
|
|
1493 skiptowhite(p)
|
|
|
1494 char_u *p;
|
|
|
1495 {
|
|
|
1496 while (*p != ' ' && *p != '\t' && *p != NUL)
|
|
|
1497 ++p;
|
|
|
1498 return p;
|
|
|
1499 }
|
|
|
1500
|
|
|
1501 #if defined(FEAT_LISTCMDS) || defined(FEAT_SIGNS) || defined(FEAT_SNIFF) \
|
|
|
1502 || defined(PROTO)
|
|
|
1503 /*
|
|
|
1504 * skiptowhite_esc: Like skiptowhite(), but also skip escaped chars
|
|
|
1505 */
|
|
|
1506 char_u *
|
|
|
1507 skiptowhite_esc(p)
|
|
|
1508 char_u *p;
|
|
|
1509 {
|
|
|
1510 while (*p != ' ' && *p != '\t' && *p != NUL)
|
|
|
1511 {
|
|
|
1512 if ((*p == '\\' || *p == Ctrl_V) && *(p + 1) != NUL)
|
|
|
1513 ++p;
|
|
|
1514 ++p;
|
|
|
1515 }
|
|
|
1516 return p;
|
|
|
1517 }
|
|
|
1518 #endif
|
|
|
1519
|
|
|
1520 /*
|
|
|
1521 * Getdigits: Get a number from a string and skip over it.
|
|
|
1522 * Note: the argument is a pointer to a char_u pointer!
|
|
|
1523 */
|
|
|
1524 long
|
|
|
1525 getdigits(pp)
|
|
|
1526 char_u **pp;
|
|
|
1527 {
|
|
|
1528 char_u *p;
|
|
|
1529 long retval;
|
|
|
1530
|
|
|
1531 p = *pp;
|
|
|
1532 retval = atol((char *)p);
|
|
|
1533 if (*p == '-') /* skip negative sign */
|
|
|
1534 ++p;
|
|
|
1535 p = skipdigits(p); /* skip to next non-digit */
|
|
|
1536 *pp = p;
|
|
|
1537 return retval;
|
|
|
1538 }
|
|
|
1539
|
|
|
1540 /*
|
|
|
1541 * Return TRUE if "lbuf" is empty or only contains blanks.
|
|
|
1542 */
|
|
|
1543 int
|
|
|
1544 vim_isblankline(lbuf)
|
|
|
1545 char_u *lbuf;
|
|
|
1546 {
|
|
|
1547 char_u *p;
|
|
|
1548
|
|
|
1549 p = skipwhite(lbuf);
|
|
|
1550 return (*p == NUL || *p == '\r' || *p == '\n');
|
|
|
1551 }
|
|
|
1552
|
|
|
1553 /*
|
|
|
1554 * Convert a string into a long and/or unsigned long, taking care of
|
|
16
|
1555 * hexadecimal and octal numbers. Accepts a '-' sign.
|
|
7
|
1556 * If "hexp" is not NULL, returns a flag to indicate the type of the number:
|
|
|
1557 * 0 decimal
|
|
|
1558 * '0' octal
|
|
|
1559 * 'X' hex
|
|
|
1560 * 'x' hex
|
|
|
1561 * If "len" is not NULL, the length of the number in characters is returned.
|
|
|
1562 * If "nptr" is not NULL, the signed result is returned in it.
|
|
|
1563 * If "unptr" is not NULL, the unsigned result is returned in it.
|
|
|
1564 */
|
|
|
1565 void
|
|
|
1566 vim_str2nr(start, hexp, len, dooct, dohex, nptr, unptr)
|
|
|
1567 char_u *start;
|
|
|
1568 int *hexp; /* return: type of number 0 = decimal, 'x'
|
|
|
1569 or 'X' is hex, '0' = octal */
|
|
|
1570 int *len; /* return: detected length of number */
|
|
|
1571 int dooct; /* recognize octal number */
|
|
|
1572 int dohex; /* recognize hex number */
|
|
|
1573 long *nptr; /* return: signed result */
|
|
|
1574 unsigned long *unptr; /* return: unsigned result */
|
|
|
1575 {
|
|
|
1576 char_u *ptr = start;
|
|
|
1577 int hex = 0; /* default is decimal */
|
|
|
1578 int negative = FALSE;
|
|
|
1579 unsigned long un = 0;
|
|
39
|
1580 int n;
|
|
7
|
1581
|
|
|
1582 if (ptr[0] == '-')
|
|
|
1583 {
|
|
|
1584 negative = TRUE;
|
|
|
1585 ++ptr;
|
|
|
1586 }
|
|
|
1587
|
|
39
|
1588 /* Recognize hex and octal. */
|
|
|
1589 if (ptr[0] == '0' && ptr[1] != '8' && ptr[1] != '9')
|
|
7
|
1590 {
|
|
|
1591 hex = ptr[1];
|
|
|
1592 if (dohex && (hex == 'X' || hex == 'x') && vim_isxdigit(ptr[2]))
|
|
|
1593 ptr += 2; /* hexadecimal */
|
|
|
1594 else
|
|
|
1595 {
|
|
39
|
1596 hex = 0; /* default is decimal */
|
|
|
1597 if (dooct)
|
|
|
1598 {
|
|
|
1599 /* Don't interpret "0", "08" or "0129" as octal. */
|
|
|
1600 for (n = 1; VIM_ISDIGIT(ptr[n]); ++n)
|
|
|
1601 {
|
|
|
1602 if (ptr[n] > '7')
|
|
|
1603 {
|
|
|
1604 hex = 0; /* can't be octal */
|
|
|
1605 break;
|
|
|
1606 }
|
|
|
1607 if (ptr[n] > '0')
|
|
|
1608 hex = '0'; /* assume octal */
|
|
|
1609 }
|
|
|
1610 }
|
|
7
|
1611 }
|
|
|
1612 }
|
|
|
1613
|
|
|
1614 /*
|
|
|
1615 * Do the string-to-numeric conversion "manually" to avoid sscanf quirks.
|
|
|
1616 */
|
|
|
1617 if (hex)
|
|
|
1618 {
|
|
|
1619 if (hex == '0')
|
|
|
1620 {
|
|
|
1621 /* octal */
|
|
|
1622 while ('0' <= *ptr && *ptr <= '7')
|
|
|
1623 {
|
|
|
1624 un = 8 * un + (unsigned long)(*ptr - '0');
|
|
|
1625 ++ptr;
|
|
|
1626 }
|
|
|
1627 }
|
|
|
1628 else
|
|
|
1629 {
|
|
|
1630 /* hex */
|
|
|
1631 while (vim_isxdigit(*ptr))
|
|
|
1632 {
|
|
|
1633 un = 16 * un + (unsigned long)hex2nr(*ptr);
|
|
|
1634 ++ptr;
|
|
|
1635 }
|
|
|
1636 }
|
|
|
1637 }
|
|
|
1638 else
|
|
|
1639 {
|
|
|
1640 /* decimal */
|
|
|
1641 while (VIM_ISDIGIT(*ptr))
|
|
|
1642 {
|
|
|
1643 un = 10 * un + (unsigned long)(*ptr - '0');
|
|
|
1644 ++ptr;
|
|
|
1645 }
|
|
|
1646 }
|
|
|
1647
|
|
|
1648 if (hexp != NULL)
|
|
|
1649 *hexp = hex;
|
|
|
1650 if (len != NULL)
|
|
|
1651 *len = (int)(ptr - start);
|
|
|
1652 if (nptr != NULL)
|
|
16
|
1653 {
|
|
|
1654 if (negative) /* account for leading '-' for decimal numbers */
|
|
|
1655 *nptr = -(long)un;
|
|
|
1656 else
|
|
|
1657 *nptr = (long)un;
|
|
|
1658 }
|
|
7
|
1659 if (unptr != NULL)
|
|
|
1660 *unptr = un;
|
|
|
1661 }
|
|
|
1662
|
|
|
1663 /*
|
|
|
1664 * Return the value of a single hex character.
|
|
|
1665 * Only valid when the argument is '0' - '9', 'A' - 'F' or 'a' - 'f'.
|
|
|
1666 */
|
|
|
1667 int
|
|
|
1668 hex2nr(c)
|
|
|
1669 int c;
|
|
|
1670 {
|
|
|
1671 if (c >= 'a' && c <= 'f')
|
|
|
1672 return c - 'a' + 10;
|
|
|
1673 if (c >= 'A' && c <= 'F')
|
|
|
1674 return c - 'A' + 10;
|
|
|
1675 return c - '0';
|
|
|
1676 }
|
|
|
1677
|
|
|
1678 #if defined(FEAT_TERMRESPONSE) \
|
|
|
1679 || (defined(FEAT_GUI_GTK) && defined(FEAT_WINDOWS)) || defined(PROTO)
|
|
|
1680 /*
|
|
|
1681 * Convert two hex characters to a byte.
|
|
|
1682 * Return -1 if one of the characters is not hex.
|
|
|
1683 */
|
|
|
1684 int
|
|
|
1685 hexhex2nr(p)
|
|
|
1686 char_u *p;
|
|
|
1687 {
|
|
|
1688 if (!vim_isxdigit(p[0]) || !vim_isxdigit(p[1]))
|
|
|
1689 return -1;
|
|
|
1690 return (hex2nr(p[0]) << 4) + hex2nr(p[1]);
|
|
|
1691 }
|
|
|
1692 #endif
|
|
|
1693
|
|
|
1694 /*
|
|
|
1695 * Return TRUE if "str" starts with a backslash that should be removed.
|
|
|
1696 * For MS-DOS, WIN32 and OS/2 this is only done when the character after the
|
|
|
1697 * backslash is not a normal file name character.
|
|
|
1698 * '$' is a valid file name character, we don't remove the backslash before
|
|
|
1699 * it. This means it is not possible to use an environment variable after a
|
|
|
1700 * backslash. "C:\$VIM\doc" is taken literally, only "$VIM\doc" works.
|
|
|
1701 * Although "\ name" is valid, the backslash in "Program\ files" must be
|
|
|
1702 * removed. Assume a file name doesn't start with a space.
|
|
|
1703 * For multi-byte names, never remove a backslash before a non-ascii
|
|
|
1704 * character, assume that all multi-byte characters are valid file name
|
|
|
1705 * characters.
|
|
|
1706 */
|
|
|
1707 int
|
|
|
1708 rem_backslash(str)
|
|
|
1709 char_u *str;
|
|
|
1710 {
|
|
|
1711 #ifdef BACKSLASH_IN_FILENAME
|
|
|
1712 return (str[0] == '\\'
|
|
|
1713 # ifdef FEAT_MBYTE
|
|
|
1714 && str[1] < 0x80
|
|
|
1715 # endif
|
|
|
1716 && (str[1] == ' '
|
|
|
1717 || (str[1] != NUL
|
|
|
1718 && str[1] != '*'
|
|
|
1719 && str[1] != '?'
|
|
|
1720 && !vim_isfilec(str[1]))));
|
|
|
1721 #else
|
|
|
1722 return (str[0] == '\\' && str[1] != NUL);
|
|
|
1723 #endif
|
|
|
1724 }
|
|
|
1725
|
|
|
1726 /*
|
|
|
1727 * Halve the number of backslashes in a file name argument.
|
|
|
1728 * For MS-DOS we only do this if the character after the backslash
|
|
|
1729 * is not a normal file character.
|
|
|
1730 */
|
|
|
1731 void
|
|
|
1732 backslash_halve(p)
|
|
|
1733 char_u *p;
|
|
|
1734 {
|
|
|
1735 for ( ; *p; ++p)
|
|
|
1736 if (rem_backslash(p))
|
|
|
1737 STRCPY(p, p + 1);
|
|
|
1738 }
|
|
|
1739
|
|
|
1740 /*
|
|
|
1741 * backslash_halve() plus save the result in allocated memory.
|
|
|
1742 */
|
|
|
1743 char_u *
|
|
|
1744 backslash_halve_save(p)
|
|
|
1745 char_u *p;
|
|
|
1746 {
|
|
|
1747 char_u *res;
|
|
|
1748
|
|
|
1749 res = vim_strsave(p);
|
|
|
1750 if (res == NULL)
|
|
|
1751 return p;
|
|
|
1752 backslash_halve(res);
|
|
|
1753 return res;
|
|
|
1754 }
|
|
|
1755
|
|
|
1756 #if (defined(EBCDIC) && defined(FEAT_POSTSCRIPT)) || defined(PROTO)
|
|
|
1757 /*
|
|
|
1758 * Table for EBCDIC to ASCII conversion unashamedly taken from xxd.c!
|
|
|
1759 * The first 64 entries have been added to map control characters defined in
|
|
|
1760 * ascii.h
|
|
|
1761 */
|
|
|
1762 static char_u ebcdic2ascii_tab[256] =
|
|
|
1763 {
|
|
|
1764 0000, 0001, 0002, 0003, 0004, 0011, 0006, 0177,
|
|
|
1765 0010, 0011, 0012, 0013, 0014, 0015, 0016, 0017,
|
|
|
1766 0020, 0021, 0022, 0023, 0024, 0012, 0010, 0027,
|
|
|
1767 0030, 0031, 0032, 0033, 0033, 0035, 0036, 0037,
|
|
|
1768 0040, 0041, 0042, 0043, 0044, 0045, 0046, 0047,
|
|
|
1769 0050, 0051, 0052, 0053, 0054, 0055, 0056, 0057,
|
|
|
1770 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067,
|
|
|
1771 0070, 0071, 0072, 0073, 0074, 0075, 0076, 0077,
|
|
|
1772 0040, 0240, 0241, 0242, 0243, 0244, 0245, 0246,
|
|
|
1773 0247, 0250, 0325, 0056, 0074, 0050, 0053, 0174,
|
|
|
1774 0046, 0251, 0252, 0253, 0254, 0255, 0256, 0257,
|
|
|
1775 0260, 0261, 0041, 0044, 0052, 0051, 0073, 0176,
|
|
|
1776 0055, 0057, 0262, 0263, 0264, 0265, 0266, 0267,
|
|
|
1777 0270, 0271, 0313, 0054, 0045, 0137, 0076, 0077,
|
|
|
1778 0272, 0273, 0274, 0275, 0276, 0277, 0300, 0301,
|
|
|
1779 0302, 0140, 0072, 0043, 0100, 0047, 0075, 0042,
|
|
|
1780 0303, 0141, 0142, 0143, 0144, 0145, 0146, 0147,
|
|
|
1781 0150, 0151, 0304, 0305, 0306, 0307, 0310, 0311,
|
|
|
1782 0312, 0152, 0153, 0154, 0155, 0156, 0157, 0160,
|
|
|
1783 0161, 0162, 0136, 0314, 0315, 0316, 0317, 0320,
|
|
|
1784 0321, 0345, 0163, 0164, 0165, 0166, 0167, 0170,
|
|
|
1785 0171, 0172, 0322, 0323, 0324, 0133, 0326, 0327,
|
|
|
1786 0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337,
|
|
|
1787 0340, 0341, 0342, 0343, 0344, 0135, 0346, 0347,
|
|
|
1788 0173, 0101, 0102, 0103, 0104, 0105, 0106, 0107,
|
|
|
1789 0110, 0111, 0350, 0351, 0352, 0353, 0354, 0355,
|
|
|
1790 0175, 0112, 0113, 0114, 0115, 0116, 0117, 0120,
|
|
|
1791 0121, 0122, 0356, 0357, 0360, 0361, 0362, 0363,
|
|
|
1792 0134, 0237, 0123, 0124, 0125, 0126, 0127, 0130,
|
|
|
1793 0131, 0132, 0364, 0365, 0366, 0367, 0370, 0371,
|
|
|
1794 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067,
|
|
|
1795 0070, 0071, 0372, 0373, 0374, 0375, 0376, 0377
|
|
|
1796 };
|
|
|
1797
|
|
|
1798 /*
|
|
|
1799 * Convert a buffer worth of characters from EBCDIC to ASCII. Only useful if
|
|
|
1800 * wanting 7-bit ASCII characters out the other end.
|
|
|
1801 */
|
|
|
1802 void
|
|
|
1803 ebcdic2ascii(buffer, len)
|
|
|
1804 char_u *buffer;
|
|
|
1805 int len;
|
|
|
1806 {
|
|
|
1807 int i;
|
|
|
1808
|
|
|
1809 for (i = 0; i < len; i++)
|
|
|
1810 buffer[i] = ebcdic2ascii_tab[buffer[i]];
|
|
|
1811 }
|
|
|
1812 #endif
|
