Mercurial > vim
annotate src/charset.c @ 32790:fbe3a843b6af v9.0.1711
patch 9.0.1711: dead code in charset.c
Commit: https://github.com/vim/vim/commit/d3515a1e88cf25c1d5eae8faa965b587a124e687
Author: zeertzjq <zeertzjq@outlook.com>
Date: Mon Jul 3 22:00:04 2023 +0800
patch 9.0.1711: dead code in charset.c
Problem: dead code in charset.c
Solution: remove it
linetabsize_col() calls init_chartabsize_arg() with 0 as "lnum", so
cts.cts_has_prop_with_text is always FALSE.
closes: #PR
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Sun, 13 Aug 2023 20:15:03 +0200 |
parents | f3987fde6dea |
children | 5d17e74a756d |
rev | line source |
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
7 | 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 | |
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12 #if defined(HAVE_WCHAR_H) |
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13 # include <wchar.h> // for towupper() and towlower() |
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14 #endif |
7 | 15 |
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16 static int win_nolbr_chartabsize(chartabsize_T *cts, int *headp); |
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17 static unsigned nr2hex(unsigned c); |
7 | 18 |
19 static int chartab_initialized = FALSE; | |
20 | |
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21 // b_chartab[] is an array of 32 bytes, each bit representing one of the |
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22 // characters 0-255. |
7 | 23 #define SET_CHARTAB(buf, c) (buf)->b_chartab[(unsigned)(c) >> 3] |= (1 << ((c) & 0x7)) |
24 #define RESET_CHARTAB(buf, c) (buf)->b_chartab[(unsigned)(c) >> 3] &= ~(1 << ((c) & 0x7)) | |
25 #define GET_CHARTAB(buf, c) ((buf)->b_chartab[(unsigned)(c) >> 3] & (1 << ((c) & 0x7))) | |
26 | |
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27 // table used below, see init_chartab() for an explanation |
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28 static char_u g_chartab[256]; |
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29 |
7 | 30 /* |
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31 * Flags for g_chartab[]. |
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32 */ |
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33 #define CT_CELL_MASK 0x07 // mask: nr of display cells (1, 2 or 4) |
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34 #define CT_PRINT_CHAR 0x10 // flag: set for printable chars |
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35 #define CT_ID_CHAR 0x20 // flag: set for ID chars |
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36 #define CT_FNAME_CHAR 0x40 // flag: set for file name chars |
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37 |
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38 static int in_win_border(win_T *wp, colnr_T vcol); |
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39 |
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40 /* |
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41 * Fill g_chartab[]. Also fills curbuf->b_chartab[] with flags for keyword |
7 | 42 * characters for current buffer. |
43 * | |
44 * Depends on the option settings 'iskeyword', 'isident', 'isfname', | |
45 * 'isprint' and 'encoding'. | |
46 * | |
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47 * The index in g_chartab[] depends on 'encoding': |
7 | 48 * - For non-multi-byte index with the byte (same as the character). |
49 * - For DBCS index with the first byte. | |
50 * - For UTF-8 index with the character (when first byte is up to 0x80 it is | |
51 * the same as the character, if the first byte is 0x80 and above it depends | |
52 * on further bytes). | |
53 * | |
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54 * The contents of g_chartab[]: |
7 | 55 * - The lower two bits, masked by CT_CELL_MASK, give the number of display |
56 * cells the character occupies (1 or 2). Not valid for UTF-8 above 0x80. | |
57 * - CT_PRINT_CHAR bit is set when the character is printable (no need to | |
58 * translate the character before displaying it). Note that only DBCS | |
59 * characters can have 2 display cells and still be printable. | |
60 * - CT_FNAME_CHAR bit is set when the character can be in a file name. | |
61 * - CT_ID_CHAR bit is set when the character can be in an identifier. | |
62 * | |
63 * Return FAIL if 'iskeyword', 'isident', 'isfname' or 'isprint' option has an | |
64 * error, OK otherwise. | |
65 */ | |
66 int | |
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67 init_chartab(void) |
7 | 68 { |
69 return buf_init_chartab(curbuf, TRUE); | |
70 } | |
71 | |
72 int | |
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73 buf_init_chartab( |
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74 buf_T *buf, |
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75 int global) // FALSE: only set buf->b_chartab[] |
7 | 76 { |
77 int c; | |
78 int c2; | |
79 char_u *p; | |
80 int i; | |
81 int tilde; | |
82 int do_isalpha; | |
83 | |
84 if (global) | |
85 { | |
86 /* | |
87 * Set the default size for printable characters: | |
88 * From <Space> to '~' is 1 (printable), others are 2 (not printable). | |
89 * This also inits all 'isident' and 'isfname' flags to FALSE. | |
90 */ | |
91 c = 0; | |
92 while (c < ' ') | |
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93 g_chartab[c++] = (dy_flags & DY_UHEX) ? 4 : 2; |
7 | 94 while (c <= '~') |
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95 g_chartab[c++] = 1 + CT_PRINT_CHAR; |
7 | 96 while (c < 256) |
97 { | |
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98 // UTF-8: bytes 0xa0 - 0xff are printable (latin1) |
7 | 99 if (enc_utf8 && c >= 0xa0) |
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100 g_chartab[c++] = CT_PRINT_CHAR + 1; |
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101 // euc-jp characters starting with 0x8e are single width |
7 | 102 else if (enc_dbcs == DBCS_JPNU && c == 0x8e) |
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103 g_chartab[c++] = CT_PRINT_CHAR + 1; |
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104 // other double-byte chars can be printable AND double-width |
7 | 105 else if (enc_dbcs != 0 && MB_BYTE2LEN(c) == 2) |
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106 g_chartab[c++] = CT_PRINT_CHAR + 2; |
7 | 107 else |
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108 // the rest is unprintable by default |
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109 g_chartab[c++] = (dy_flags & DY_UHEX) ? 4 : 2; |
7 | 110 } |
111 | |
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112 // Assume that every multi-byte char is a filename character. |
7 | 113 for (c = 1; c < 256; ++c) |
114 if ((enc_dbcs != 0 && MB_BYTE2LEN(c) > 1) | |
115 || (enc_dbcs == DBCS_JPNU && c == 0x8e) | |
116 || (enc_utf8 && c >= 0xa0)) | |
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117 g_chartab[c] |= CT_FNAME_CHAR; |
7 | 118 } |
119 | |
120 /* | |
121 * Init word char flags all to FALSE | |
122 */ | |
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123 CLEAR_FIELD(buf->b_chartab); |
227 | 124 if (enc_dbcs != 0) |
125 for (c = 0; c < 256; ++c) | |
126 { | |
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127 // double-byte characters are probably word characters |
227 | 128 if (MB_BYTE2LEN(c) == 2) |
129 SET_CHARTAB(buf, c); | |
130 } | |
7 | 131 |
132 /* | |
133 * In lisp mode the '-' character is included in keywords. | |
134 */ | |
135 if (buf->b_p_lisp) | |
136 SET_CHARTAB(buf, '-'); | |
137 | |
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138 // Walk through the 'isident', 'iskeyword', 'isfname' and 'isprint' |
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139 // options Each option is a list of characters, character numbers or |
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140 // ranges, separated by commas, e.g.: "200-210,x,#-178,-" |
7 | 141 for (i = global ? 0 : 3; i <= 3; ++i) |
142 { | |
143 if (i == 0) | |
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144 p = p_isi; // first round: 'isident' |
7 | 145 else if (i == 1) |
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146 p = p_isp; // second round: 'isprint' |
7 | 147 else if (i == 2) |
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148 p = p_isf; // third round: 'isfname' |
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149 else // i == 3 |
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150 p = buf->b_p_isk; // fourth round: 'iskeyword' |
7 | 151 |
152 while (*p) | |
153 { | |
154 tilde = FALSE; | |
155 do_isalpha = FALSE; | |
156 if (*p == '^' && p[1] != NUL) | |
157 { | |
158 tilde = TRUE; | |
159 ++p; | |
160 } | |
161 if (VIM_ISDIGIT(*p)) | |
162 c = getdigits(&p); | |
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163 else if (has_mbyte) |
1955 | 164 c = mb_ptr2char_adv(&p); |
165 else | |
7 | 166 c = *p++; |
167 c2 = -1; | |
168 if (*p == '-' && p[1] != NUL) | |
169 { | |
170 ++p; | |
171 if (VIM_ISDIGIT(*p)) | |
172 c2 = getdigits(&p); | |
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173 else if (has_mbyte) |
1979 | 174 c2 = mb_ptr2char_adv(&p); |
175 else | |
7 | 176 c2 = *p++; |
177 } | |
1979 | 178 if (c <= 0 || c >= 256 || (c2 < c && c2 != -1) || c2 >= 256 |
7 | 179 || !(*p == NUL || *p == ',')) |
180 return FAIL; | |
181 | |
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182 if (c2 == -1) // not a range |
7 | 183 { |
184 /* | |
185 * A single '@' (not "@-@"): | |
186 * Decide on letters being ID/printable/keyword chars with | |
187 * standard function isalpha(). This takes care of locale for | |
188 * single-byte characters). | |
189 */ | |
190 if (c == '@') | |
191 { | |
192 do_isalpha = TRUE; | |
193 c = 1; | |
194 c2 = 255; | |
195 } | |
196 else | |
197 c2 = c; | |
198 } | |
199 while (c <= c2) | |
200 { | |
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201 // Use the MB_ functions here, because isalpha() doesn't |
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202 // work properly when 'encoding' is "latin1" and the locale is |
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203 // "C". |
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204 if (!do_isalpha || MB_ISLOWER(c) || MB_ISUPPER(c)) |
7 | 205 { |
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206 if (i == 0) // (re)set ID flag |
7 | 207 { |
208 if (tilde) | |
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209 g_chartab[c] &= ~CT_ID_CHAR; |
7 | 210 else |
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211 g_chartab[c] |= CT_ID_CHAR; |
7 | 212 } |
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213 else if (i == 1) // (re)set printable |
7 | 214 { |
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215 if ((c < ' ' || c > '~' |
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216 // For double-byte we keep the cell width, so |
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217 // that we can detect it from the first byte. |
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218 ) && !(enc_dbcs && MB_BYTE2LEN(c) == 2)) |
7 | 219 { |
220 if (tilde) | |
221 { | |
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222 g_chartab[c] = (g_chartab[c] & ~CT_CELL_MASK) |
7 | 223 + ((dy_flags & DY_UHEX) ? 4 : 2); |
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224 g_chartab[c] &= ~CT_PRINT_CHAR; |
7 | 225 } |
226 else | |
227 { | |
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228 g_chartab[c] = (g_chartab[c] & ~CT_CELL_MASK) |
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229 + 1; |
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230 g_chartab[c] |= CT_PRINT_CHAR; |
7 | 231 } |
232 } | |
233 } | |
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234 else if (i == 2) // (re)set fname flag |
7 | 235 { |
236 if (tilde) | |
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237 g_chartab[c] &= ~CT_FNAME_CHAR; |
7 | 238 else |
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239 g_chartab[c] |= CT_FNAME_CHAR; |
7 | 240 } |
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241 else // i == 3 (re)set keyword flag |
7 | 242 { |
243 if (tilde) | |
244 RESET_CHARTAB(buf, c); | |
245 else | |
246 SET_CHARTAB(buf, c); | |
247 } | |
248 } | |
249 ++c; | |
250 } | |
4096 | 251 |
252 c = *p; | |
7 | 253 p = skip_to_option_part(p); |
4096 | 254 if (c == ',' && *p == NUL) |
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255 // Trailing comma is not allowed. |
4096 | 256 return FAIL; |
7 | 257 } |
258 } | |
259 chartab_initialized = TRUE; | |
260 return OK; | |
261 } | |
262 | |
263 /* | |
264 * Translate any special characters in buf[bufsize] in-place. | |
265 * The result is a string with only printable characters, but if there is not | |
266 * enough room, not all characters will be translated. | |
267 */ | |
268 void | |
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269 trans_characters( |
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270 char_u *buf, |
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271 int bufsize) |
7 | 272 { |
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273 int len; // length of string needing translation |
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274 int room; // room in buffer after string |
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275 char_u *trs; // translated character |
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276 int trs_len; // length of trs[] |
7 | 277 |
278 len = (int)STRLEN(buf); | |
279 room = bufsize - len; | |
280 while (*buf != 0) | |
281 { | |
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282 // Assume a multi-byte character doesn't need translation. |
474 | 283 if (has_mbyte && (trs_len = (*mb_ptr2len)(buf)) > 1) |
7 | 284 len -= trs_len; |
285 else | |
286 { | |
287 trs = transchar_byte(*buf); | |
288 trs_len = (int)STRLEN(trs); | |
289 if (trs_len > 1) | |
290 { | |
291 room -= trs_len - 1; | |
292 if (room <= 0) | |
293 return; | |
294 mch_memmove(buf + trs_len, buf + 1, (size_t)len); | |
295 } | |
296 mch_memmove(buf, trs, (size_t)trs_len); | |
297 --len; | |
298 } | |
299 buf += trs_len; | |
300 } | |
301 } | |
302 | |
303 /* | |
304 * Translate a string into allocated memory, replacing special chars with | |
305 * printable chars. Returns NULL when out of memory. | |
306 */ | |
307 char_u * | |
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308 transstr(char_u *s) |
7 | 309 { |
310 char_u *res; | |
311 char_u *p; | |
312 int l, len, c; | |
313 char_u hexbuf[11]; | |
314 | |
315 if (has_mbyte) | |
316 { | |
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317 // Compute the length of the result, taking account of unprintable |
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318 // multi-byte characters. |
7 | 319 len = 0; |
320 p = s; | |
321 while (*p != NUL) | |
322 { | |
474 | 323 if ((l = (*mb_ptr2len)(p)) > 1) |
7 | 324 { |
325 c = (*mb_ptr2char)(p); | |
326 p += l; | |
327 if (vim_isprintc(c)) | |
328 len += l; | |
329 else | |
330 { | |
331 transchar_hex(hexbuf, c); | |
835 | 332 len += (int)STRLEN(hexbuf); |
7 | 333 } |
334 } | |
335 else | |
336 { | |
337 l = byte2cells(*p++); | |
338 if (l > 0) | |
339 len += l; | |
340 else | |
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341 len += 4; // illegal byte sequence |
7 | 342 } |
343 } | |
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344 res = alloc(len + 1); |
7 | 345 } |
346 else | |
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347 res = alloc(vim_strsize(s) + 1); |
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348 |
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349 if (res == NULL) |
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350 return NULL; |
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351 |
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352 *res = NUL; |
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353 p = s; |
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354 while (*p != NUL) |
7 | 355 { |
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356 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) |
7 | 357 { |
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358 c = (*mb_ptr2char)(p); |
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359 if (vim_isprintc(c)) |
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360 STRNCAT(res, p, l); // append printable multi-byte char |
7 | 361 else |
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362 transchar_hex(res + STRLEN(res), c); |
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363 p += l; |
7 | 364 } |
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365 else |
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366 STRCAT(res, transchar_byte(*p++)); |
7 | 367 } |
368 return res; | |
369 } | |
370 | |
371 /* | |
221 | 372 * Convert the string "str[orglen]" to do ignore-case comparing. Uses the |
373 * current locale. | |
130 | 374 * When "buf" is NULL returns an allocated string (NULL for out-of-memory). |
375 * Otherwise puts the result in "buf[buflen]". | |
7 | 376 */ |
377 char_u * | |
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378 str_foldcase( |
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379 char_u *str, |
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380 int orglen, |
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381 char_u *buf, |
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382 int buflen) |
7 | 383 { |
384 garray_T ga; | |
385 int i; | |
130 | 386 int len = orglen; |
7 | 387 |
388 #define GA_CHAR(i) ((char_u *)ga.ga_data)[i] | |
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389 #define GA_PTR(i) ((char_u *)ga.ga_data + (i)) |
130 | 390 #define STR_CHAR(i) (buf == NULL ? GA_CHAR(i) : buf[i]) |
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391 #define STR_PTR(i) (buf == NULL ? GA_PTR(i) : buf + (i)) |
7 | 392 |
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393 // Copy "str" into "buf" or allocated memory, unmodified. |
130 | 394 if (buf == NULL) |
395 { | |
396 ga_init2(&ga, 1, 10); | |
397 if (ga_grow(&ga, len + 1) == FAIL) | |
398 return NULL; | |
399 mch_memmove(ga.ga_data, str, (size_t)len); | |
400 ga.ga_len = len; | |
401 } | |
402 else | |
403 { | |
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404 if (len >= buflen) // Ugly! |
130 | 405 len = buflen - 1; |
406 mch_memmove(buf, str, (size_t)len); | |
407 } | |
408 if (buf == NULL) | |
409 GA_CHAR(len) = NUL; | |
410 else | |
411 buf[len] = NUL; | |
7 | 412 |
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413 // Make each character lower case. |
7 | 414 i = 0; |
130 | 415 while (STR_CHAR(i) != NUL) |
7 | 416 { |
130 | 417 if (enc_utf8 || (has_mbyte && MB_BYTE2LEN(STR_CHAR(i)) > 1)) |
7 | 418 { |
419 if (enc_utf8) | |
420 { | |
1654 | 421 int c = utf_ptr2char(STR_PTR(i)); |
3263 | 422 int olen = utf_ptr2len(STR_PTR(i)); |
1654 | 423 int lc = utf_tolower(c); |
7 | 424 |
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425 // Only replace the character when it is not an invalid |
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426 // sequence (ASCII character or more than one byte) and |
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427 // utf_tolower() doesn't return the original character. |
3263 | 428 if ((c < 0x80 || olen > 1) && c != lc) |
7 | 429 { |
3263 | 430 int nlen = utf_char2len(lc); |
7 | 431 |
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432 // If the byte length changes need to shift the following |
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433 // characters forward or backward. |
3263 | 434 if (olen != nlen) |
7 | 435 { |
3263 | 436 if (nlen > olen) |
130 | 437 { |
3263 | 438 if (buf == NULL |
439 ? ga_grow(&ga, nlen - olen + 1) == FAIL | |
440 : len + nlen - olen >= buflen) | |
7 | 441 { |
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442 // out of memory, keep old char |
7 | 443 lc = c; |
3263 | 444 nlen = olen; |
7 | 445 } |
130 | 446 } |
3263 | 447 if (olen != nlen) |
7 | 448 { |
130 | 449 if (buf == NULL) |
450 { | |
3263 | 451 STRMOVE(GA_PTR(i) + nlen, GA_PTR(i) + olen); |
452 ga.ga_len += nlen - olen; | |
130 | 453 } |
454 else | |
455 { | |
3263 | 456 STRMOVE(buf + i + nlen, buf + i + olen); |
457 len += nlen - olen; | |
130 | 458 } |
7 | 459 } |
460 } | |
130 | 461 (void)utf_char2bytes(lc, STR_PTR(i)); |
7 | 462 } |
463 } | |
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464 // skip to next multi-byte char |
474 | 465 i += (*mb_ptr2len)(STR_PTR(i)); |
7 | 466 } |
467 else | |
468 { | |
130 | 469 if (buf == NULL) |
470 GA_CHAR(i) = TOLOWER_LOC(GA_CHAR(i)); | |
471 else | |
472 buf[i] = TOLOWER_LOC(buf[i]); | |
7 | 473 ++i; |
474 } | |
475 } | |
476 | |
130 | 477 if (buf == NULL) |
478 return (char_u *)ga.ga_data; | |
479 return buf; | |
7 | 480 } |
481 | |
482 /* | |
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483 * Catch 22: g_chartab[] can't be initialized before the options are |
7 | 484 * initialized, and initializing options may cause transchar() to be called! |
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485 * When chartab_initialized == FALSE don't use g_chartab[]. |
7 | 486 * Does NOT work for multi-byte characters, c must be <= 255. |
487 * Also doesn't work for the first byte of a multi-byte, "c" must be a | |
488 * character! | |
489 */ | |
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490 static char_u transchar_charbuf[7]; |
7 | 491 |
492 char_u * | |
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493 transchar(int c) |
7 | 494 { |
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495 return transchar_buf(curbuf, c); |
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496 } |
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497 |
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498 char_u * |
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499 transchar_buf(buf_T *buf, int c) |
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500 { |
7 | 501 int i; |
502 | |
503 i = 0; | |
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504 if (IS_SPECIAL(c)) // special key code, display as ~@ char |
7 | 505 { |
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506 transchar_charbuf[0] = '~'; |
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507 transchar_charbuf[1] = '@'; |
7 | 508 i = 2; |
509 c = K_SECOND(c); | |
510 } | |
511 | |
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512 if ((!chartab_initialized && ((c >= ' ' && c <= '~'))) |
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513 || (c < 256 && vim_isprintc_strict(c))) |
7 | 514 { |
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515 // printable character |
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516 transchar_charbuf[i] = c; |
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517 transchar_charbuf[i + 1] = NUL; |
7 | 518 } |
519 else | |
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520 transchar_nonprint(buf, transchar_charbuf + i, c); |
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521 return transchar_charbuf; |
7 | 522 } |
523 | |
524 /* | |
525 * Like transchar(), but called with a byte instead of a character. Checks | |
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526 * for an illegal UTF-8 byte. Uses 'fileformat' of the current buffer. |
7 | 527 */ |
528 char_u * | |
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529 transchar_byte(int c) |
7 | 530 { |
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531 return transchar_byte_buf(curbuf, c); |
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532 } |
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533 |
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534 /* |
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535 * Like transchar_buf(), but called with a byte instead of a character. Checks |
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536 * for an illegal UTF-8 byte. Uses 'fileformat' of "buf", unless it is NULL. |
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537 */ |
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538 char_u * |
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539 transchar_byte_buf(buf_T *buf, int c) |
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540 { |
7 | 541 if (enc_utf8 && c >= 0x80) |
542 { | |
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543 transchar_nonprint(buf, transchar_charbuf, c); |
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544 return transchar_charbuf; |
7 | 545 } |
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546 return transchar_buf(buf, c); |
7 | 547 } |
548 /* | |
549 * Convert non-printable character to two or more printable characters in | |
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550 * "charbuf[]". "charbuf" needs to be able to hold five bytes. |
7 | 551 * Does NOT work for multi-byte characters, c must be <= 255. |
552 */ | |
553 void | |
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554 transchar_nonprint(buf_T *buf, char_u *charbuf, int c) |
7 | 555 { |
556 if (c == NL) | |
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557 c = NUL; // we use newline in place of a NUL |
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558 else if (buf != NULL && c == CAR && get_fileformat(buf) == EOL_MAC) |
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559 c = NL; // we use CR in place of NL in this case |
7 | 560 |
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561 if (dy_flags & DY_UHEX) // 'display' has "uhex" |
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562 transchar_hex(charbuf, c); |
7 | 563 |
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564 else if (c <= 0x7f) // 0x00 - 0x1f and 0x7f |
7 | 565 { |
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566 charbuf[0] = '^'; |
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567 charbuf[1] = c ^ 0x40; // DEL displayed as ^? |
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568 charbuf[2] = NUL; |
7 | 569 } |
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570 else if (enc_utf8) |
7 | 571 { |
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572 transchar_hex(charbuf, c); |
7 | 573 } |
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574 else if (c >= ' ' + 0x80 && c <= '~' + 0x80) // 0xa0 - 0xfe |
7 | 575 { |
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576 charbuf[0] = '|'; |
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577 charbuf[1] = c - 0x80; |
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578 charbuf[2] = NUL; |
7 | 579 } |
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580 else // 0x80 - 0x9f and 0xff |
7 | 581 { |
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582 charbuf[0] = '~'; |
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583 charbuf[1] = (c - 0x80) ^ 0x40; // 0xff displayed as ~? |
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584 charbuf[2] = NUL; |
7 | 585 } |
586 } | |
587 | |
588 void | |
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589 transchar_hex(char_u *buf, int c) |
7 | 590 { |
591 int i = 0; | |
592 | |
593 buf[0] = '<'; | |
594 if (c > 255) | |
595 { | |
596 buf[++i] = nr2hex((unsigned)c >> 12); | |
597 buf[++i] = nr2hex((unsigned)c >> 8); | |
598 } | |
599 buf[++i] = nr2hex((unsigned)c >> 4); | |
1869 | 600 buf[++i] = nr2hex((unsigned)c); |
7 | 601 buf[++i] = '>'; |
602 buf[++i] = NUL; | |
603 } | |
604 | |
605 /* | |
606 * Convert the lower 4 bits of byte "c" to its hex character. | |
607 * Lower case letters are used to avoid the confusion of <F1> being 0xf1 or | |
608 * function key 1. | |
609 */ | |
1869 | 610 static unsigned |
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611 nr2hex(unsigned c) |
7 | 612 { |
613 if ((c & 0xf) <= 9) | |
614 return (c & 0xf) + '0'; | |
615 return (c & 0xf) - 10 + 'a'; | |
616 } | |
617 | |
618 /* | |
619 * Return number of display cells occupied by byte "b". | |
620 * Caller must make sure 0 <= b <= 255. | |
621 * For multi-byte mode "b" must be the first byte of a character. | |
622 * A TAB is counted as two cells: "^I". | |
623 * For UTF-8 mode this will return 0 for bytes >= 0x80, because the number of | |
624 * cells depends on further bytes. | |
625 */ | |
626 int | |
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627 byte2cells(int b) |
7 | 628 { |
629 if (enc_utf8 && b >= 0x80) | |
630 return 0; | |
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631 return (g_chartab[b] & CT_CELL_MASK); |
7 | 632 } |
633 | |
634 /* | |
635 * Return number of display cells occupied by character "c". | |
636 * "c" can be a special key (negative number) in which case 3 or 4 is returned. | |
637 * A TAB is counted as two cells: "^I" or four: "<09>". | |
638 */ | |
639 int | |
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640 char2cells(int c) |
7 | 641 { |
642 if (IS_SPECIAL(c)) | |
643 return char2cells(K_SECOND(c)) + 2; | |
644 if (c >= 0x80) | |
645 { | |
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646 // UTF-8: above 0x80 need to check the value |
7 | 647 if (enc_utf8) |
648 return utf_char2cells(c); | |
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649 // DBCS: double-byte means double-width, except for euc-jp with first |
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650 // byte 0x8e |
7 | 651 if (enc_dbcs != 0 && c >= 0x100) |
652 { | |
653 if (enc_dbcs == DBCS_JPNU && ((unsigned)c >> 8) == 0x8e) | |
654 return 1; | |
655 return 2; | |
656 } | |
657 } | |
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658 return (g_chartab[c & 0xff] & CT_CELL_MASK); |
7 | 659 } |
660 | |
661 /* | |
662 * Return number of display cells occupied by character at "*p". | |
663 * A TAB is counted as two cells: "^I" or four: "<09>". | |
664 */ | |
665 int | |
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666 ptr2cells(char_u *p) |
7 | 667 { |
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668 if (!has_mbyte) |
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669 return byte2cells(*p); |
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670 |
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671 // For UTF-8 we need to look at more bytes if the first byte is >= 0x80. |
7 | 672 if (enc_utf8 && *p >= 0x80) |
673 return utf_ptr2cells(p); | |
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674 // For DBCS we can tell the cell count from the first byte. |
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675 return (g_chartab[*p] & CT_CELL_MASK); |
7 | 676 } |
677 | |
678 /* | |
3292 | 679 * Return the number of character cells string "s" will take on the screen, |
7 | 680 * counting TABs as two characters: "^I". |
681 */ | |
682 int | |
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683 vim_strsize(char_u *s) |
7 | 684 { |
685 return vim_strnsize(s, (int)MAXCOL); | |
686 } | |
687 | |
688 /* | |
3292 | 689 * Return the number of character cells string "s[len]" will take on the |
690 * screen, counting TABs as two characters: "^I". | |
7 | 691 */ |
692 int | |
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693 vim_strnsize(char_u *s, int len) |
7 | 694 { |
695 int size = 0; | |
696 | |
697 while (*s != NUL && --len >= 0) | |
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698 { |
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699 int l = (*mb_ptr2len)(s); |
7 | 700 |
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701 size += ptr2cells(s); |
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702 s += l; |
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703 len -= l - 1; |
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704 } |
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705 |
7 | 706 return size; |
707 } | |
708 | |
709 /* | |
710 * Return the number of characters 'c' will take on the screen, taking | |
711 * into account the size of a tab. | |
712 * Use a define to make it fast, this is used very often!!! | |
713 * Also see getvcol() below. | |
714 */ | |
715 | |
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716 #ifdef FEAT_VARTABS |
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717 # define RET_WIN_BUF_CHARTABSIZE(wp, buf, p, col) \ |
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718 if (*(p) == TAB && (!(wp)->w_p_list || (wp)->w_lcs_chars.tab1)) \ |
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719 { \ |
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720 return tabstop_padding(col, (buf)->b_p_ts, (buf)->b_p_vts_array); \ |
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721 } \ |
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722 else \ |
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723 return ptr2cells(p); |
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724 #else |
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725 # define RET_WIN_BUF_CHARTABSIZE(wp, buf, p, col) \ |
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726 if (*(p) == TAB && (!(wp)->w_p_list || wp->w_lcs_chars.tab1)) \ |
7 | 727 { \ |
728 int ts; \ | |
729 ts = (buf)->b_p_ts; \ | |
730 return (int)(ts - (col % ts)); \ | |
731 } \ | |
732 else \ | |
733 return ptr2cells(p); | |
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734 #endif |
7 | 735 |
736 int | |
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737 chartabsize(char_u *p, colnr_T col) |
7 | 738 { |
739 RET_WIN_BUF_CHARTABSIZE(curwin, curbuf, p, col) | |
740 } | |
741 | |
742 #ifdef FEAT_LINEBREAK | |
743 static int | |
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744 win_chartabsize(win_T *wp, char_u *p, colnr_T col) |
7 | 745 { |
746 RET_WIN_BUF_CHARTABSIZE(wp, wp->w_buffer, p, col) | |
747 } | |
748 #endif | |
749 | |
750 /* | |
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751 * Return the number of characters the string "s" will take on the screen, |
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752 * taking into account the size of a tab. |
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753 * Does not handle text properties, since "s" is not a buffer line. |
7 | 754 */ |
755 int | |
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756 linetabsize_str(char_u *s) |
7 | 757 { |
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758 return linetabsize_col(0, s); |
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759 } |
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760 |
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761 /* |
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762 * Like linetabsize_str(), but "s" starts at column "startcol". |
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763 */ |
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764 int |
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765 linetabsize_col(int startcol, char_u *s) |
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766 { |
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767 chartabsize_T cts; |
7 | 768 |
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769 init_chartabsize_arg(&cts, curwin, 0, startcol, s, s); |
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770 while (*cts.cts_ptr != NUL) |
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771 cts.cts_vcol += lbr_chartabsize_adv(&cts); |
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772 clear_chartabsize_arg(&cts); |
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773 return (int)cts.cts_vcol; |
7 | 774 } |
775 | |
776 /* | |
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777 * Like linetabsize_str(), but for a given window instead of the current one. |
7 | 778 */ |
779 int | |
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780 win_linetabsize(win_T *wp, linenr_T lnum, char_u *line, colnr_T len) |
7 | 781 { |
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782 chartabsize_T cts; |
7 | 783 |
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784 init_chartabsize_arg(&cts, wp, lnum, 0, line, line); |
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785 win_linetabsize_cts(&cts, len); |
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786 clear_chartabsize_arg(&cts); |
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787 return (int)cts.cts_vcol; |
7 | 788 } |
789 | |
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790 /* |
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791 * Return the number of cells line "lnum" of window "wp" will take on the |
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792 * screen, taking into account the size of a tab and text properties. |
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793 */ |
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794 int |
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795 linetabsize(win_T *wp, linenr_T lnum) |
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796 { |
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797 return win_linetabsize(wp, lnum, |
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798 ml_get_buf(wp->w_buffer, lnum, FALSE), (colnr_T)MAXCOL); |
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799 } |
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800 |
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801 void |
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802 win_linetabsize_cts(chartabsize_T *cts, colnr_T len) |
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803 { |
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804 #ifdef FEAT_PROP_POPUP |
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805 cts->cts_with_trailing = len == MAXCOL; |
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806 #endif |
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807 for ( ; *cts->cts_ptr != NUL && (len == MAXCOL || cts->cts_ptr < cts->cts_line + len); |
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808 MB_PTR_ADV(cts->cts_ptr)) |
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809 cts->cts_vcol += win_lbr_chartabsize(cts, NULL); |
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810 #ifdef FEAT_PROP_POPUP |
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811 // check for a virtual text on an empty line |
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812 if (cts->cts_has_prop_with_text && *cts->cts_ptr == NUL |
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813 && cts->cts_ptr == cts->cts_line) |
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814 { |
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815 (void)win_lbr_chartabsize(cts, NULL); |
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816 cts->cts_vcol += cts->cts_cur_text_width; |
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817 |
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818 // when properties are above or below the empty line must also be |
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819 // counted |
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820 if (cts->cts_prop_lines > 0) |
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821 ++cts->cts_vcol; |
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822 } |
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823 #endif |
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824 } |
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825 |
7 | 826 /* |
42 | 827 * Return TRUE if 'c' is a normal identifier character: |
828 * Letters and characters from the 'isident' option. | |
7 | 829 */ |
830 int | |
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831 vim_isIDc(int c) |
7 | 832 { |
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833 return (c > 0 && c < 0x100 && (g_chartab[c] & CT_ID_CHAR)); |
7 | 834 } |
835 | |
836 /* | |
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837 * Like vim_isIDc() but not using the 'isident' option: letters, numbers and |
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838 * underscore. |
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839 */ |
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840 int |
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841 vim_isNormalIDc(int c) |
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842 { |
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843 return ASCII_ISALNUM(c) || c == '_'; |
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844 } |
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845 |
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846 /* |
7 | 847 * return TRUE if 'c' is a keyword character: Letters and characters from |
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848 * 'iskeyword' option for the current buffer. |
7 | 849 * For multi-byte characters mb_get_class() is used (builtin rules). |
850 */ | |
851 int | |
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852 vim_iswordc(int c) |
7 | 853 { |
4043 | 854 return vim_iswordc_buf(c, curbuf); |
855 } | |
856 | |
857 int | |
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858 vim_iswordc_buf(int c, buf_T *buf) |
4043 | 859 { |
7 | 860 if (c >= 0x100) |
861 { | |
862 if (enc_dbcs != 0) | |
1869 | 863 return dbcs_class((unsigned)c >> 8, (unsigned)(c & 0xff)) >= 2; |
7 | 864 if (enc_utf8) |
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865 return utf_class_buf(c, buf) >= 2; |
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866 return FALSE; |
7 | 867 } |
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868 return (c > 0 && GET_CHARTAB(buf, c) != 0); |
7 | 869 } |
870 | |
871 /* | |
872 * Just like vim_iswordc() but uses a pointer to the (multi-byte) character. | |
873 */ | |
874 int | |
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875 vim_iswordp(char_u *p) |
7 | 876 { |
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877 return vim_iswordp_buf(p, curbuf); |
7 | 878 } |
879 | |
880 int | |
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881 vim_iswordp_buf(char_u *p, buf_T *buf) |
7 | 882 { |
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883 int c = *p; |
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884 |
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885 if (has_mbyte && MB_BYTE2LEN(c) > 1) |
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886 c = (*mb_ptr2char)(p); |
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887 return vim_iswordc_buf(c, buf); |
7 | 888 } |
889 | |
890 /* | |
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891 * Return TRUE if 'c' is a valid file-name character as specified with the |
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892 * 'isfname' option. |
7 | 893 * Assume characters above 0x100 are valid (multi-byte). |
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894 * To be used for commands like "gf". |
7 | 895 */ |
896 int | |
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897 vim_isfilec(int c) |
7 | 898 { |
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899 return (c >= 0x100 || (c > 0 && (g_chartab[c] & CT_FNAME_CHAR))); |
7 | 900 } |
901 | |
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902 #if defined(FEAT_SPELL) || defined(PROTO) |
7 | 903 /* |
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904 * Return TRUE if 'c' is a valid file-name character, including characters left |
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905 * out of 'isfname' to make "gf" work, such as comma, space, '@', etc. |
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906 */ |
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907 int |
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908 vim_is_fname_char(int c) |
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909 { |
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910 return vim_isfilec(c) || c == ',' || c == ' ' || c == '@'; |
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911 } |
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912 #endif |
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913 |
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914 /* |
1369 | 915 * return TRUE if 'c' is a valid file-name character or a wildcard character |
916 * Assume characters above 0x100 are valid (multi-byte). | |
917 * Explicitly interpret ']' as a wildcard character as mch_has_wildcard("]") | |
918 * returns false. | |
919 */ | |
920 int | |
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921 vim_isfilec_or_wc(int c) |
1369 | 922 { |
923 char_u buf[2]; | |
924 | |
925 buf[0] = (char_u)c; | |
926 buf[1] = NUL; | |
927 return vim_isfilec(c) || c == ']' || mch_has_wildcard(buf); | |
928 } | |
929 | |
930 /* | |
11333
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931 * Return TRUE if 'c' is a printable character. |
7 | 932 * Assume characters above 0x100 are printable (multi-byte), except for |
933 * Unicode. | |
934 */ | |
935 int | |
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936 vim_isprintc(int c) |
7 | 937 { |
938 if (enc_utf8 && c >= 0x100) | |
939 return utf_printable(c); | |
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940 return (c >= 0x100 || (c > 0 && (g_chartab[c] & CT_PRINT_CHAR))); |
7 | 941 } |
942 | |
943 /* | |
944 * Strict version of vim_isprintc(c), don't return TRUE if "c" is the head | |
945 * byte of a double-byte character. | |
946 */ | |
947 int | |
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948 vim_isprintc_strict(int c) |
7 | 949 { |
950 if (enc_dbcs != 0 && c < 0x100 && MB_BYTE2LEN(c) > 1) | |
951 return FALSE; | |
952 if (enc_utf8 && c >= 0x100) | |
953 return utf_printable(c); | |
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954 return (c >= 0x100 || (c > 0 && (g_chartab[c] & CT_PRINT_CHAR))); |
7 | 955 } |
956 | |
957 /* | |
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958 * Prepare the structure passed to chartabsize functions. |
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959 * "line" is the start of the line, "ptr" is the first relevant character. |
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960 * When "lnum" is zero do not use text properties that insert text. |
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961 */ |
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962 void |
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963 init_chartabsize_arg( |
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964 chartabsize_T *cts, |
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965 win_T *wp, |
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966 linenr_T lnum UNUSED, |
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967 colnr_T col, |
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968 char_u *line, |
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969 char_u *ptr) |
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970 { |
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971 CLEAR_POINTER(cts); |
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972 cts->cts_win = wp; |
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973 cts->cts_vcol = col; |
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974 cts->cts_line = line; |
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975 cts->cts_ptr = ptr; |
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976 #ifdef FEAT_PROP_POPUP |
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977 if (lnum > 0 && !ignore_text_props) |
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978 { |
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979 char_u *prop_start; |
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980 int count; |
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981 |
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982 count = get_text_props(wp->w_buffer, lnum, &prop_start, FALSE); |
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983 cts->cts_text_prop_count = count; |
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984 if (count > 0) |
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985 { |
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986 // Make a copy of the properties, so that they are properly |
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987 // aligned. Make it twice as long for the sorting below. |
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988 cts->cts_text_props = ALLOC_MULT(textprop_T, count * 2); |
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989 if (cts->cts_text_props == NULL) |
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990 cts->cts_text_prop_count = 0; |
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991 else |
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992 { |
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993 int i; |
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994 |
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995 mch_memmove(cts->cts_text_props + count, prop_start, |
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996 count * sizeof(textprop_T)); |
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997 for (i = 0; i < count; ++i) |
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998 { |
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999 textprop_T *tp = cts->cts_text_props + i + count; |
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1000 if (tp->tp_id < 0 |
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1001 && text_prop_type_valid(wp->w_buffer, tp)) |
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1002 { |
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1003 cts->cts_has_prop_with_text = TRUE; |
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1004 break; |
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1005 } |
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1006 } |
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1007 if (!cts->cts_has_prop_with_text) |
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1008 { |
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1009 // won't use the text properties, free them |
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1010 VIM_CLEAR(cts->cts_text_props); |
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1011 cts->cts_text_prop_count = 0; |
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1012 } |
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1013 else |
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1014 { |
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1015 int *text_prop_idxs; |
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1016 |
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1017 // Need to sort the array to get any truncation right. |
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1018 // Do the sorting in the second part of the array, then |
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1019 // move the sorted props to the first part of the array. |
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1020 text_prop_idxs = ALLOC_MULT(int, count); |
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1021 if (text_prop_idxs != NULL) |
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1022 { |
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1023 for (i = 0; i < count; ++i) |
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1024 text_prop_idxs[i] = i + count; |
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1025 sort_text_props(curbuf, cts->cts_text_props, |
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1026 text_prop_idxs, count); |
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1027 // Here we want the reverse order. |
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1028 for (i = 0; i < count; ++i) |
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1029 cts->cts_text_props[count - i - 1] = |
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1030 cts->cts_text_props[text_prop_idxs[i]]; |
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1031 vim_free(text_prop_idxs); |
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1032 } |
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1033 } |
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1034 } |
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1035 } |
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1036 } |
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1037 #endif |
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1038 } |
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|
1039 |
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1040 /* |
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|
1041 * Free any allocated item in "cts". |
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diff
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|
1042 */ |
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|
1043 void |
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parents:
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diff
changeset
|
1044 clear_chartabsize_arg(chartabsize_T *cts UNUSED) |
29451
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|
1045 { |
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|
1046 #ifdef FEAT_PROP_POPUP |
29451
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diff
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|
1047 if (cts->cts_text_prop_count > 0) |
29465
1ae3e2d691a0
patch 9.0.0074: Coverity warns for double free
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|
1048 { |
29574
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patch 9.0.0128: Coverity complains about possible double free
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|
1049 VIM_CLEAR(cts->cts_text_props); |
24f01baa27b2
patch 9.0.0128: Coverity complains about possible double free
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|
1050 cts->cts_text_prop_count = 0; |
29465
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|
1051 } |
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|
1052 #endif |
29451
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|
1053 } |
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|
1054 |
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|
1055 /* |
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|
1056 * Like chartabsize(), but also check for line breaks on the screen and text |
057c26b5c33a
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|
1057 * properties that insert text. |
7 | 1058 */ |
1059 int | |
29451
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|
1060 lbr_chartabsize(chartabsize_T *cts) |
7 | 1061 { |
29451
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|
1062 #if defined(FEAT_LINEBREAK) || defined(FEAT_PROP_POPUP) |
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1063 if (1 |
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|
1064 # ifdef FEAT_LINEBREAK |
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|
1065 && !curwin->w_p_lbr && *get_showbreak_value(curwin) == NUL |
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|
1066 && !curwin->w_p_bri |
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|
1067 # endif |
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|
1068 # ifdef FEAT_PROP_POPUP |
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1069 && !cts->cts_has_prop_with_text |
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1070 #endif |
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1071 ) |
7 | 1072 { |
1073 #endif | |
1074 if (curwin->w_p_wrap) | |
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|
1075 return win_nolbr_chartabsize(cts, NULL); |
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|
1076 RET_WIN_BUF_CHARTABSIZE(curwin, curbuf, cts->cts_ptr, cts->cts_vcol) |
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|
1077 #if defined(FEAT_LINEBREAK) || defined(FEAT_PROP_POPUP) |
7 | 1078 } |
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1079 return win_lbr_chartabsize(cts, NULL); |
7 | 1080 #endif |
1081 } | |
1082 | |
1083 /* | |
1084 * Call lbr_chartabsize() and advance the pointer. | |
1085 */ | |
1086 int | |
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1087 lbr_chartabsize_adv(chartabsize_T *cts) |
7 | 1088 { |
1089 int retval; | |
1090 | |
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|
1091 retval = lbr_chartabsize(cts); |
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|
1092 MB_PTR_ADV(cts->cts_ptr); |
7 | 1093 return retval; |
1094 } | |
1095 | |
1096 /* | |
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|
1097 * Return the screen size of the character indicated by "cts". |
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1098 * "cts->cts_cur_text_width" is set to the extra size for a text property that |
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1099 * inserts text. |
7 | 1100 * This function is used very often, keep it fast!!!! |
1101 * | |
1102 * If "headp" not NULL, set *headp to the size of what we for 'showbreak' | |
1103 * string at start of line. Warning: *headp is only set if it's a non-zero | |
1104 * value, init to 0 before calling. | |
1105 */ | |
1106 int | |
7817
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Christian Brabandt <cb@256bit.org>
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|
1107 win_lbr_chartabsize( |
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|
1108 chartabsize_T *cts, |
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1109 int *headp UNUSED) |
7 | 1110 { |
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|
1111 win_T *wp = cts->cts_win; |
30825
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|
1112 #if defined(FEAT_PROP_POPUP) || defined(FEAT_LINEBREAK) |
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|
1113 char_u *line = cts->cts_line; // start of the line |
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|
1114 #endif |
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1115 char_u *s = cts->cts_ptr; |
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1116 colnr_T vcol = cts->cts_vcol; |
7 | 1117 #ifdef FEAT_LINEBREAK |
1118 int c; | |
1119 int size; | |
1120 colnr_T col2; | |
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1121 colnr_T col_adj = 0; // vcol + screen size of tab |
7 | 1122 colnr_T colmax; |
1123 int added; | |
1124 int mb_added = 0; | |
1125 int numberextra; | |
1126 char_u *ps; | |
1127 int tab_corr = (*s == TAB); | |
236 | 1128 int n; |
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|
1129 char_u *sbr; |
29633
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patch 9.0.0157: 'showbreak' displayed below truncated "after" text prop
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|
1130 int no_sbr = FALSE; |
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|
1131 #endif |
7 | 1132 |
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1133 #if defined(FEAT_PROP_POPUP) |
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|
1134 cts->cts_cur_text_width = 0; |
30205
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patch 9.0.0438: cannot put virtual text above a line
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|
1135 cts->cts_first_char = 0; |
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|
1136 #endif |
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|
1137 |
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1138 #if defined(FEAT_LINEBREAK) || defined(FEAT_PROP_POPUP) |
7 | 1139 /* |
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1140 * No 'linebreak', 'showbreak', 'breakindent' and text properties that |
057c26b5c33a
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|
1141 * insert text: return quickly. |
7 | 1142 */ |
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|
1143 if (1 |
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|
1144 # ifdef FEAT_LINEBREAK |
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|
1145 && !wp->w_p_lbr && !wp->w_p_bri && *get_showbreak_value(wp) == NUL |
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|
1146 # endif |
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1147 # ifdef FEAT_PROP_POPUP |
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|
1148 && !cts->cts_has_prop_with_text |
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|
1149 # endif |
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|
1150 ) |
7 | 1151 #endif |
1152 { | |
1153 if (wp->w_p_wrap) | |
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|
1154 return win_nolbr_chartabsize(cts, headp); |
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|
1155 RET_WIN_BUF_CHARTABSIZE(wp, wp->w_buffer, s, vcol) |
7 | 1156 } |
1157 | |
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|
1158 #if defined(FEAT_LINEBREAK) || defined(FEAT_PROP_POPUP) |
7 | 1159 /* |
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|
1160 * First get the normal size, without 'linebreak' or text properties |
7 | 1161 */ |
29451
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|
1162 size = win_chartabsize(wp, s, vcol); |
31938
96d6d31dd66b
patch 9.0.1301: virtual text below empty line not displayed
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changeset
|
1163 if (*s == NUL) |
96d6d31dd66b
patch 9.0.1301: virtual text below empty line not displayed
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|
1164 size = 0; // NUL is not displayed |
29451
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1165 |
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|
1166 # ifdef FEAT_PROP_POPUP |
29678
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1167 if (cts->cts_has_prop_with_text) |
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|
1168 { |
29676
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patch 9.0.0178: cursor position wrong with virtual text before Tab
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|
1169 int tab_size = size; |
29678
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|
1170 int charlen = *s == NUL ? 1 : mb_ptr2len(s); |
29603
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|
1171 int i; |
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1172 int col = (int)(s - line); |
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|
1173 garray_T *gap = &wp->w_buffer->b_textprop_text; |
29451
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|
1174 |
29816
bbe62ea78aac
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|
1175 // The "$" for 'list' mode will go between the EOL and |
bbe62ea78aac
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|
1176 // the text prop, account for that. |
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|
1177 if (wp->w_p_list && wp->w_lcs_chars.eol != NUL) |
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|
1178 ++vcol; |
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|
1179 |
29451
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|
1180 for (i = 0; i < cts->cts_text_prop_count; ++i) |
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1181 { |
29918
e6e0f1c39edb
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|
1182 textprop_T *tp = cts->cts_text_props + i; |
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|
1183 int col_off = win_col_off(wp); |
29451
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1184 |
29603
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|
1185 // Watch out for the text being deleted. "cts_text_props" is a |
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|
1186 // copy, the text prop may actually have been removed from the line. |
29451
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|
1187 if (tp->tp_id < 0 |
29655
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Bram Moolenaar <Bram@vim.org>
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changeset
|
1188 && ((tp->tp_col - 1 >= col |
29676
b4fea827c20a
patch 9.0.0178: cursor position wrong with virtual text before Tab
Bram Moolenaar <Bram@vim.org>
parents:
29655
diff
changeset
|
1189 && tp->tp_col - 1 < col + charlen) |
30205
ed6f3d2593df
patch 9.0.0438: cannot put virtual text above a line
Bram Moolenaar <Bram@vim.org>
parents:
30152
diff
changeset
|
1190 || (tp->tp_col == MAXCOL |
ed6f3d2593df
patch 9.0.0438: cannot put virtual text above a line
Bram Moolenaar <Bram@vim.org>
parents:
30152
diff
changeset
|
1191 && ((tp->tp_flags & TP_FLAG_ALIGN_ABOVE) |
ed6f3d2593df
patch 9.0.0438: cannot put virtual text above a line
Bram Moolenaar <Bram@vim.org>
parents:
30152
diff
changeset
|
1192 ? col == 0 |
31990
27ab829631df
patch 9.0.1327: cursor in wrong position below line with virtual text below
Bram Moolenaar <Bram@vim.org>
parents:
31964
diff
changeset
|
1193 : (s[0] == NUL || s[charlen] == NUL) |
30205
ed6f3d2593df
patch 9.0.0438: cannot put virtual text above a line
Bram Moolenaar <Bram@vim.org>
parents:
30152
diff
changeset
|
1194 && cts->cts_with_trailing))) |
31489
966c87c57912
patch 9.0.1077: can add text property with negative ID before virtual text
Bram Moolenaar <Bram@vim.org>
parents:
31371
diff
changeset
|
1195 && -tp->tp_id - 1 < gap->ga_len) |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1196 { |
29603
8f01d250793a
patch 9.0.0142: crash when adding and removing virtual text
Bram Moolenaar <Bram@vim.org>
parents:
29597
diff
changeset
|
1197 char_u *p = ((char_u **)gap->ga_data)[-tp->tp_id - 1]; |
29560
14b139cbec49
patch 9.0.0121: cannot put virtual text after or below a line
Bram Moolenaar <Bram@vim.org>
parents:
29477
diff
changeset
|
1198 |
29603
8f01d250793a
patch 9.0.0142: crash when adding and removing virtual text
Bram Moolenaar <Bram@vim.org>
parents:
29597
diff
changeset
|
1199 if (p != NULL) |
29560
14b139cbec49
patch 9.0.0121: cannot put virtual text after or below a line
Bram Moolenaar <Bram@vim.org>
parents:
29477
diff
changeset
|
1200 { |
29816
bbe62ea78aac
patch 9.0.0247: cannot add padding to virtual text without highlight
Bram Moolenaar <Bram@vim.org>
parents:
29740
diff
changeset
|
1201 int cells; |
29603
8f01d250793a
patch 9.0.0142: crash when adding and removing virtual text
Bram Moolenaar <Bram@vim.org>
parents:
29597
diff
changeset
|
1202 |
8f01d250793a
patch 9.0.0142: crash when adding and removing virtual text
Bram Moolenaar <Bram@vim.org>
parents:
29597
diff
changeset
|
1203 if (tp->tp_col == MAXCOL) |
8f01d250793a
patch 9.0.0142: crash when adding and removing virtual text
Bram Moolenaar <Bram@vim.org>
parents:
29597
diff
changeset
|
1204 { |
29816
bbe62ea78aac
patch 9.0.0247: cannot add padding to virtual text without highlight
Bram Moolenaar <Bram@vim.org>
parents:
29740
diff
changeset
|
1205 int n_extra = (int)STRLEN(p); |
29740
b167c91b5f6b
patch 9.0.0210: 'list' mode does not work properly with virtual text
Bram Moolenaar <Bram@vim.org>
parents:
29730
diff
changeset
|
1206 |
30749
6fe513996997
patch 9.0.0709: virtual text "after" not correct with 'nowrap'
Bram Moolenaar <Bram@vim.org>
parents:
30304
diff
changeset
|
1207 cells = text_prop_position(wp, tp, vcol, |
29918
e6e0f1c39edb
patch 9.0.0297: cursor position wrong after right aligned virtual text
Bram Moolenaar <Bram@vim.org>
parents:
29816
diff
changeset
|
1208 (vcol + size) % (wp->w_width - col_off) + col_off, |
31371
1c43d8bad31d
patch 9.0.1019: 'smoothscroll' and virtual text above don't work together
Bram Moolenaar <Bram@vim.org>
parents:
31319
diff
changeset
|
1209 &n_extra, &p, NULL, NULL, FALSE); |
29633
e80174903fdf
patch 9.0.0157: 'showbreak' displayed below truncated "after" text prop
Bram Moolenaar <Bram@vim.org>
parents:
29613
diff
changeset
|
1210 #ifdef FEAT_LINEBREAK |
e80174903fdf
patch 9.0.0157: 'showbreak' displayed below truncated "after" text prop
Bram Moolenaar <Bram@vim.org>
parents:
29613
diff
changeset
|
1211 no_sbr = TRUE; // don't use 'showbreak' now |
e80174903fdf
patch 9.0.0157: 'showbreak' displayed below truncated "after" text prop
Bram Moolenaar <Bram@vim.org>
parents:
29613
diff
changeset
|
1212 #endif |
29603
8f01d250793a
patch 9.0.0142: crash when adding and removing virtual text
Bram Moolenaar <Bram@vim.org>
parents:
29597
diff
changeset
|
1213 } |
29816
bbe62ea78aac
patch 9.0.0247: cannot add padding to virtual text without highlight
Bram Moolenaar <Bram@vim.org>
parents:
29740
diff
changeset
|
1214 else |
bbe62ea78aac
patch 9.0.0247: cannot add padding to virtual text without highlight
Bram Moolenaar <Bram@vim.org>
parents:
29740
diff
changeset
|
1215 cells = vim_strsize(p); |
29603
8f01d250793a
patch 9.0.0142: crash when adding and removing virtual text
Bram Moolenaar <Bram@vim.org>
parents:
29597
diff
changeset
|
1216 cts->cts_cur_text_width += cells; |
30205
ed6f3d2593df
patch 9.0.0438: cannot put virtual text above a line
Bram Moolenaar <Bram@vim.org>
parents:
30152
diff
changeset
|
1217 if (tp->tp_flags & TP_FLAG_ALIGN_ABOVE) |
ed6f3d2593df
patch 9.0.0438: cannot put virtual text above a line
Bram Moolenaar <Bram@vim.org>
parents:
30152
diff
changeset
|
1218 cts->cts_first_char += cells; |
29730
0eeab24d3faf
patch 9.0.0205: cursor in wrong position when inserting after virtual text
Bram Moolenaar <Bram@vim.org>
parents:
29718
diff
changeset
|
1219 cts->cts_start_incl = tp->tp_flags & TP_FLAG_START_INCL; |
29603
8f01d250793a
patch 9.0.0142: crash when adding and removing virtual text
Bram Moolenaar <Bram@vim.org>
parents:
29597
diff
changeset
|
1220 size += cells; |
29676
b4fea827c20a
patch 9.0.0178: cursor position wrong with virtual text before Tab
Bram Moolenaar <Bram@vim.org>
parents:
29655
diff
changeset
|
1221 if (*s == TAB) |
b4fea827c20a
patch 9.0.0178: cursor position wrong with virtual text before Tab
Bram Moolenaar <Bram@vim.org>
parents:
29655
diff
changeset
|
1222 { |
b4fea827c20a
patch 9.0.0178: cursor position wrong with virtual text before Tab
Bram Moolenaar <Bram@vim.org>
parents:
29655
diff
changeset
|
1223 // tab size changes because of the inserted text |
b4fea827c20a
patch 9.0.0178: cursor position wrong with virtual text before Tab
Bram Moolenaar <Bram@vim.org>
parents:
29655
diff
changeset
|
1224 size -= tab_size; |
b4fea827c20a
patch 9.0.0178: cursor position wrong with virtual text before Tab
Bram Moolenaar <Bram@vim.org>
parents:
29655
diff
changeset
|
1225 tab_size = win_chartabsize(wp, s, vcol + size); |
b4fea827c20a
patch 9.0.0178: cursor position wrong with virtual text before Tab
Bram Moolenaar <Bram@vim.org>
parents:
29655
diff
changeset
|
1226 size += tab_size; |
b4fea827c20a
patch 9.0.0178: cursor position wrong with virtual text before Tab
Bram Moolenaar <Bram@vim.org>
parents:
29655
diff
changeset
|
1227 } |
31946
05414bdc5c2c
patch 9.0.1305: cursor in wrong line with virtual text above
Bram Moolenaar <Bram@vim.org>
parents:
31938
diff
changeset
|
1228 if (tp->tp_col == MAXCOL && (tp->tp_flags |
05414bdc5c2c
patch 9.0.1305: cursor in wrong line with virtual text above
Bram Moolenaar <Bram@vim.org>
parents:
31938
diff
changeset
|
1229 & (TP_FLAG_ALIGN_ABOVE | TP_FLAG_ALIGN_BELOW))) |
05414bdc5c2c
patch 9.0.1305: cursor in wrong line with virtual text above
Bram Moolenaar <Bram@vim.org>
parents:
31938
diff
changeset
|
1230 // count extra line for property above/below |
05414bdc5c2c
patch 9.0.1305: cursor in wrong line with virtual text above
Bram Moolenaar <Bram@vim.org>
parents:
31938
diff
changeset
|
1231 ++cts->cts_prop_lines; |
29560
14b139cbec49
patch 9.0.0121: cannot put virtual text after or below a line
Bram Moolenaar <Bram@vim.org>
parents:
29477
diff
changeset
|
1232 } |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1233 } |
29613
1a0aea1e23f4
patch 9.0.0147: cursor positioned wrong after two "below" text properties
Bram Moolenaar <Bram@vim.org>
parents:
29605
diff
changeset
|
1234 if (tp->tp_col != MAXCOL && tp->tp_col - 1 > col) |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1235 break; |
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1236 } |
29816
bbe62ea78aac
patch 9.0.0247: cannot add padding to virtual text without highlight
Bram Moolenaar <Bram@vim.org>
parents:
29740
diff
changeset
|
1237 if (wp->w_p_list && wp->w_lcs_chars.eol != NUL) |
bbe62ea78aac
patch 9.0.0247: cannot add padding to virtual text without highlight
Bram Moolenaar <Bram@vim.org>
parents:
29740
diff
changeset
|
1238 --vcol; |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1239 } |
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1240 # endif |
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1241 |
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1242 # ifdef FEAT_LINEBREAK |
7 | 1243 c = *s; |
6024 | 1244 if (tab_corr) |
1245 col_adj = size - 1; | |
7 | 1246 |
1247 /* | |
1248 * If 'linebreak' set check at a blank before a non-blank if the line | |
1249 * needs a break here | |
1250 */ | |
1251 if (wp->w_p_lbr | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
1252 && VIM_ISBREAK(c) |
11133
d8e830e32be9
patch 8.0.0454: compiler warnings for "always true" comparison
Christian Brabandt <cb@256bit.org>
parents:
11129
diff
changeset
|
1253 && !VIM_ISBREAK((int)s[1]) |
7 | 1254 && wp->w_p_wrap |
12477
68d7bc045dbe
patch 8.0.1118: FEAT_WINDOWS adds a lot of #ifdefs
Christian Brabandt <cb@256bit.org>
parents:
12323
diff
changeset
|
1255 && wp->w_width != 0) |
7 | 1256 { |
1257 /* | |
1258 * Count all characters from first non-blank after a blank up to next | |
1259 * non-blank after a blank. | |
1260 */ | |
1261 numberextra = win_col_off(wp); | |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1262 col2 = vcol; |
12515
972ea22c946f
patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
1263 colmax = (colnr_T)(wp->w_width - numberextra - col_adj); |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1264 if (vcol >= colmax) |
236 | 1265 { |
6024 | 1266 colmax += col_adj; |
1267 n = colmax + win_col_off2(wp); | |
236 | 1268 if (n > 0) |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1269 colmax += (((vcol - colmax) / n) + 1) * n - col_adj; |
236 | 1270 } |
1271 | |
7 | 1272 for (;;) |
1273 { | |
1274 ps = s; | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
1275 MB_PTR_ADV(s); |
7 | 1276 c = *s; |
1277 if (!(c != NUL | |
11127
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
1278 && (VIM_ISBREAK(c) |
506f5d8b7d8b
patch 8.0.0451: some macros are in lower case
Christian Brabandt <cb@256bit.org>
parents:
11121
diff
changeset
|
1279 || (!VIM_ISBREAK(c) |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1280 && (col2 == vcol || !VIM_ISBREAK((int)*ps)))))) |
7 | 1281 break; |
1282 | |
1283 col2 += win_chartabsize(wp, s, col2); | |
18757
c469e1930456
patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
1284 if (col2 >= colmax) // doesn't fit |
7 | 1285 { |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1286 size = colmax - vcol + col_adj; |
7 | 1287 break; |
1288 } | |
1289 } | |
1290 } | |
1291 else if (has_mbyte && size == 2 && MB_BYTE2LEN(*s) > 1 | |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1292 && wp->w_p_wrap && in_win_border(wp, vcol)) |
7 | 1293 { |
18757
c469e1930456
patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
1294 ++size; // Count the ">" in the last column. |
7 | 1295 mb_added = 1; |
1296 } | |
1297 | |
1298 /* | |
5995 | 1299 * May have to add something for 'breakindent' and/or 'showbreak' |
1300 * string at start of line. | |
7 | 1301 * Set *headp to the size of what we add. |
27952
22cdc06b37bf
patch 8.2.4501: with 'showbreak' set cursor displayed in wrong position
Bram Moolenaar <Bram@vim.org>
parents:
27784
diff
changeset
|
1302 * Do not use 'showbreak' at the NUL after the text. |
7 | 1303 */ |
1304 added = 0; | |
29633
e80174903fdf
patch 9.0.0157: 'showbreak' displayed below truncated "after" text prop
Bram Moolenaar <Bram@vim.org>
parents:
29613
diff
changeset
|
1305 sbr = (c == NUL || no_sbr) ? empty_option : get_showbreak_value(wp); |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1306 if ((*sbr != NUL || wp->w_p_bri) && wp->w_p_wrap && vcol != 0) |
7 | 1307 { |
6503 | 1308 colnr_T sbrlen = 0; |
1309 int numberwidth = win_col_off(wp); | |
1310 | |
1311 numberextra = numberwidth; | |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1312 vcol += numberextra + mb_added; |
30304
f1fe59179180
patch 9.0.0488: cursor wrong with virtual text "above" and 'showbreak'
Bram Moolenaar <Bram@vim.org>
parents:
30257
diff
changeset
|
1313 #ifdef FEAT_PROP_POPUP |
f1fe59179180
patch 9.0.0488: cursor wrong with virtual text "above" and 'showbreak'
Bram Moolenaar <Bram@vim.org>
parents:
30257
diff
changeset
|
1314 vcol -= wp->w_virtcol_first_char; |
f1fe59179180
patch 9.0.0488: cursor wrong with virtual text "above" and 'showbreak'
Bram Moolenaar <Bram@vim.org>
parents:
30257
diff
changeset
|
1315 #endif |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1316 if (vcol >= (colnr_T)wp->w_width) |
7 | 1317 { |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1318 vcol -= wp->w_width; |
12515
972ea22c946f
patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
1319 numberextra = wp->w_width - (numberextra - win_col_off2(wp)); |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1320 if (vcol >= numberextra && numberextra > 0) |
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1321 vcol %= numberextra; |
18574
8b0114ffde2b
patch 8.1.2281: 'showbreak' cannot be set for one window
Bram Moolenaar <Bram@vim.org>
parents:
18082
diff
changeset
|
1322 if (*sbr != NUL) |
6288 | 1323 { |
18574
8b0114ffde2b
patch 8.1.2281: 'showbreak' cannot be set for one window
Bram Moolenaar <Bram@vim.org>
parents:
18082
diff
changeset
|
1324 sbrlen = (colnr_T)MB_CHARLEN(sbr); |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1325 if (vcol >= sbrlen) |
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1326 vcol -= sbrlen; |
6288 | 1327 } |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1328 if (vcol >= numberextra && numberextra > 0) |
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1329 vcol = vcol % numberextra; |
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1330 else if (vcol > 0 && numberextra > 0) |
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1331 vcol += numberwidth - win_col_off2(wp); |
6503 | 1332 |
1333 numberwidth -= win_col_off2(wp); | |
7 | 1334 } |
29451
057c26b5c33a
patch 9.0.0067: cannot show virtual text
Bram Moolenaar <Bram@vim.org>
parents:
28964
diff
changeset
|
1335 if (vcol == 0 || vcol + size + sbrlen > (colnr_T)wp->w_width) |
7 | 1336 { |
5995 | 1337 added = 0; |
18574
8b0114ffde2b
patch 8.1.2281: 'showbreak' cannot be set for one window
Bram Moolenaar <Bram@vim.org>
parents:
18082
diff
changeset
|
1338 if (*sbr != NUL) |
6503 | 1339 { |
12515
972ea22c946f
patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
parents:
12477
diff
changeset
|
1340 if (size + sbrlen + numberwidth > (colnr_T)wp->w_width) |
6503 | 1341 { |
16819
91619e48e1a7
patch 8.1.1411: Coverity warns for divide by zero
Bram Moolenaar <Bram@vim.org>
parents:
16764
diff
changeset
|
1342 // calculate effective window width |
12515
972ea22c946f
patch 8.0.1136: W_WIDTH() is always the same
Christian Brabandt <cb@256bit.org>
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1343 int width = (colnr_T)wp->w_width - sbrlen - numberwidth; |
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1344 int prev_width = vcol |
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1345 ? ((colnr_T)wp->w_width - (sbrlen + vcol)) : 0; |
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1346 |
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1347 if (width <= 0) |
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|
1348 width = (colnr_T)1; |
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|
1349 added += ((size - prev_width) / width) * vim_strsize(sbr); |
6503 | 1350 if ((size - prev_width) % width) |
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|
1351 // wrapped, add another length of 'sbr' |
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1352 added += vim_strsize(sbr); |
6503 | 1353 } |
1354 else | |
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|
1355 added += vim_strsize(sbr); |
6503 | 1356 } |
5995 | 1357 if (wp->w_p_bri) |
1358 added += get_breakindent_win(wp, line); | |
1359 | |
6160 | 1360 size += added; |
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|
1361 if (vcol != 0) |
7 | 1362 added = 0; |
1363 } | |
1364 } | |
1365 if (headp != NULL) | |
1366 *headp = added + mb_added; | |
1367 return size; | |
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|
1368 # endif |
7 | 1369 #endif |
1370 } | |
1371 | |
1372 /* | |
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1373 * Like win_lbr_chartabsize(), except that we know 'linebreak' is off, 'wrap' |
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1374 * is on and there are no properties that insert text. This means we need to |
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1375 * check for a double-byte character that doesn't fit at the end of the screen |
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1376 * line. |
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1377 * Only uses "cts_win", "cts_ptr" and "cts_vcol" from "cts". |
7 | 1378 */ |
1379 static int | |
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1380 win_nolbr_chartabsize( |
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1381 chartabsize_T *cts, |
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1382 int *headp) |
7 | 1383 { |
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1384 win_T *wp = cts->cts_win; |
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1385 char_u *s = cts->cts_ptr; |
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1386 colnr_T col = cts->cts_vcol; |
7 | 1387 int n; |
1388 | |
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|
1389 if (*s == TAB && (!wp->w_p_list || wp->w_lcs_chars.tab1)) |
7 | 1390 { |
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1391 # ifdef FEAT_VARTABS |
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1392 return tabstop_padding(col, wp->w_buffer->b_p_ts, |
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1393 wp->w_buffer->b_p_vts_array); |
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|
1394 # else |
7 | 1395 n = wp->w_buffer->b_p_ts; |
1396 return (int)(n - (col % n)); | |
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1397 # endif |
7 | 1398 } |
1399 n = ptr2cells(s); | |
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1400 // Add one cell for a double-width character in the last column of the |
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1401 // window, displayed with a ">". |
7 | 1402 if (n == 2 && MB_BYTE2LEN(*s) > 1 && in_win_border(wp, col)) |
1403 { | |
1404 if (headp != NULL) | |
1405 *headp = 1; | |
1406 return 3; | |
1407 } | |
1408 return n; | |
1409 } | |
1410 | |
1411 /* | |
1412 * Return TRUE if virtual column "vcol" is in the rightmost column of window | |
1413 * "wp". | |
1414 */ | |
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|
1415 static int |
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1416 in_win_border(win_T *wp, colnr_T vcol) |
7 | 1417 { |
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|
1418 int width1; // width of first line (after line number) |
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1419 int width2; // width of further lines |
7 | 1420 |
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1421 if (wp->w_width == 0) // there is no border |
7 | 1422 return FALSE; |
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|
1423 width1 = wp->w_width - win_col_off(wp); |
1869 | 1424 if ((int)vcol < width1 - 1) |
7 | 1425 return FALSE; |
1869 | 1426 if ((int)vcol == width1 - 1) |
7 | 1427 return TRUE; |
1428 width2 = width1 + win_col_off2(wp); | |
1970 | 1429 if (width2 <= 0) |
1430 return FALSE; | |
7 | 1431 return ((vcol - width1) % width2 == width2 - 1); |
1432 } | |
1433 | |
1434 /* | |
1435 * Get virtual column number of pos. | |
1436 * start: on the first position of this character (TAB, ctrl) | |
1437 * cursor: where the cursor is on this character (first char, except for TAB) | |
1438 * end: on the last position of this character (TAB, ctrl) | |
1439 * | |
1440 * This is used very often, keep it fast! | |
1441 */ | |
1442 void | |
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1443 getvcol( |
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1444 win_T *wp, |
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1445 pos_T *pos, |
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1446 colnr_T *start, |
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1447 colnr_T *cursor, |
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|
1448 colnr_T *end) |
7 | 1449 { |
1450 colnr_T vcol; | |
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1451 char_u *ptr; // points to current char |
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1452 char_u *posptr; // points to char at pos->col |
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1453 char_u *line; // start of the line |
7 | 1454 int incr; |
1455 int head; | |
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1456 #ifdef FEAT_VARTABS |
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1457 int *vts = wp->w_buffer->b_p_vts_array; |
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1458 #endif |
7 | 1459 int ts = wp->w_buffer->b_p_ts; |
1460 int c; | |
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1461 chartabsize_T cts; |
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1462 #ifdef FEAT_PROP_POPUP |
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1463 int on_NUL = FALSE; |
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1464 #endif |
7 | 1465 |
1466 vcol = 0; | |
5995 | 1467 line = ptr = ml_get_buf(wp->w_buffer, pos->lnum, FALSE); |
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1468 if (pos->col == MAXCOL) |
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1469 posptr = NULL; // continue until the NUL |
2108
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1470 else |
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1471 { |
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1472 colnr_T i; |
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1473 |
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1474 // In a few cases the position can be beyond the end of the line. |
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1475 for (i = 0; i < pos->col; ++i) |
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1476 if (ptr[i] == NUL) |
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1477 { |
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1478 pos->col = i; |
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1479 break; |
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1480 } |
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1481 posptr = ptr + pos->col; |
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1482 if (has_mbyte) |
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1483 // always start on the first byte |
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1484 posptr -= (*mb_head_off)(line, posptr); |
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1485 } |
7 | 1486 |
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1487 init_chartabsize_arg(&cts, wp, pos->lnum, 0, line, line); |
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1488 |
7 | 1489 /* |
1490 * This function is used very often, do some speed optimizations. | |
5995 | 1491 * When 'list', 'linebreak', 'showbreak' and 'breakindent' are not set |
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1492 * and there are no text properties with "text" use a simple loop. |
7 | 1493 * Also use this when 'list' is set but tabs take their normal size. |
1494 */ | |
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1495 if ((!wp->w_p_list || wp->w_lcs_chars.tab1 != NUL) |
7 | 1496 #ifdef FEAT_LINEBREAK |
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1497 && !wp->w_p_lbr && *get_showbreak_value(wp) == NUL && !wp->w_p_bri |
7 | 1498 #endif |
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1499 #ifdef FEAT_PROP_POPUP |
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1500 && !cts.cts_has_prop_with_text |
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1501 #endif |
7 | 1502 ) |
1503 { | |
1504 for (;;) | |
1505 { | |
1506 head = 0; | |
1507 c = *ptr; | |
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1508 // make sure we don't go past the end of the line |
7 | 1509 if (c == NUL) |
1510 { | |
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1511 incr = 1; // NUL at end of line only takes one column |
7 | 1512 break; |
1513 } | |
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1514 // A tab gets expanded, depending on the current column |
7 | 1515 if (c == TAB) |
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1516 #ifdef FEAT_VARTABS |
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1517 incr = tabstop_padding(vcol, ts, vts); |
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|
1518 #else |
7 | 1519 incr = ts - (vcol % ts); |
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1520 #endif |
7 | 1521 else |
1522 { | |
1523 if (has_mbyte) | |
1524 { | |
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1525 // For utf-8, if the byte is >= 0x80, need to look at |
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1526 // further bytes to find the cell width. |
7 | 1527 if (enc_utf8 && c >= 0x80) |
1528 incr = utf_ptr2cells(ptr); | |
1529 else | |
7697
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parents:
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diff
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|
1530 incr = g_chartab[c] & CT_CELL_MASK; |
7 | 1531 |
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|
1532 // If a double-cell char doesn't fit at the end of a line |
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|
1533 // it wraps to the next line, it's like this char is three |
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diff
changeset
|
1534 // cells wide. |
1546 | 1535 if (incr == 2 && wp->w_p_wrap && MB_BYTE2LEN(*ptr) > 1 |
1536 && in_win_border(wp, vcol)) | |
7 | 1537 { |
1538 ++incr; | |
1539 head = 1; | |
1540 } | |
1541 } | |
1542 else | |
7697
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1543 incr = g_chartab[c] & CT_CELL_MASK; |
7 | 1544 } |
1545 | |
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parents:
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|
1546 if (posptr != NULL && ptr >= posptr) // character at pos->col |
7 | 1547 break; |
1548 | |
1549 vcol += incr; | |
11127
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changeset
|
1550 MB_PTR_ADV(ptr); |
7 | 1551 } |
1552 } | |
1553 else | |
1554 { | |
1555 for (;;) | |
1556 { | |
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changeset
|
1557 // A tab gets expanded, depending on the current column. |
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changeset
|
1558 // Other things also take up space. |
7 | 1559 head = 0; |
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|
1560 incr = win_lbr_chartabsize(&cts, &head); |
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|
1561 // make sure we don't go past the end of the line |
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|
1562 if (*cts.cts_ptr == NUL) |
7 | 1563 { |
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|
1564 incr = 1; // NUL at end of line only takes one column |
29678
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|
1565 #ifdef FEAT_PROP_POPUP |
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|
1566 if (cts.cts_cur_text_width > 0) |
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|
1567 incr = cts.cts_cur_text_width; |
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|
1568 on_NUL = TRUE; |
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patch 9.0.0179: cursor pos wrong with wrapping virtual text in empty line
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diff
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|
1569 #endif |
7 | 1570 break; |
1571 } | |
30205
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|
1572 #ifdef FEAT_PROP_POPUP |
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|
1573 if (cursor == &wp->w_virtcol && cts.cts_ptr == cts.cts_line) |
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|
1574 // do not count the virtual text above for w_curswant |
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1575 wp->w_virtcol_first_char = cts.cts_first_char; |
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|
1576 #endif |
7 | 1577 |
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1578 if (posptr != NULL && cts.cts_ptr >= posptr) |
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|
1579 // character at pos->col |
7 | 1580 break; |
1581 | |
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|
1582 cts.cts_vcol += incr; |
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|
1583 MB_PTR_ADV(cts.cts_ptr); |
7 | 1584 } |
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|
1585 vcol = cts.cts_vcol; |
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|
1586 ptr = cts.cts_ptr; |
7 | 1587 } |
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|
1588 clear_chartabsize_arg(&cts); |
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|
1589 |
7 | 1590 if (start != NULL) |
1591 *start = vcol + head; | |
1592 if (end != NULL) | |
1593 *end = vcol + incr - 1; | |
1594 if (cursor != NULL) | |
1595 { | |
1596 if (*ptr == TAB | |
28773
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|
1597 && (State & MODE_NORMAL) |
7 | 1598 && !wp->w_p_list |
1599 && !virtual_active() | |
11121
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|
1600 && !(VIsual_active |
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|
1601 && (*p_sel == 'e' || LTOREQ_POS(*pos, VIsual))) |
7 | 1602 ) |
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|
1603 *cursor = vcol + incr - 1; // cursor at end |
7 | 1604 else |
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|
1605 { |
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|
1606 #ifdef FEAT_PROP_POPUP |
29730
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patch 9.0.0205: cursor in wrong position when inserting after virtual text
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|
1607 // in Insert mode, if "start_incl" is true the text gets inserted |
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patch 9.0.0205: cursor in wrong position when inserting after virtual text
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|
1608 // after the virtual text, thus add its width |
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patch 9.0.0205: cursor in wrong position when inserting after virtual text
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|
1609 if (((State & MODE_INSERT) == 0 || cts.cts_start_incl) && !on_NUL) |
29678
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1610 // cursor is after inserted text, unless on the NUL |
29676
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|
1611 vcol += cts.cts_cur_text_width; |
30207
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1612 else |
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|
1613 // insertion also happens after the "above" virtual text |
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|
1614 vcol += cts.cts_first_char; |
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|
1615 #endif |
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|
1616 *cursor = vcol + head; // cursor at start |
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|
1617 } |
7 | 1618 } |
1619 } | |
1620 | |
1621 /* | |
1622 * Get virtual cursor column in the current window, pretending 'list' is off. | |
1623 */ | |
1624 colnr_T | |
7817
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diff
changeset
|
1625 getvcol_nolist(pos_T *posp) |
7 | 1626 { |
1627 int list_save = curwin->w_p_list; | |
1628 colnr_T vcol; | |
1629 | |
1630 curwin->w_p_list = FALSE; | |
13786
0fa21ba32e21
patch 8.0.1765: CTRL-G j in Insert mode is incorrect when 'virtualedit' set
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diff
changeset
|
1631 if (posp->coladd) |
0fa21ba32e21
patch 8.0.1765: CTRL-G j in Insert mode is incorrect when 'virtualedit' set
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diff
changeset
|
1632 getvvcol(curwin, posp, NULL, &vcol, NULL); |
0fa21ba32e21
patch 8.0.1765: CTRL-G j in Insert mode is incorrect when 'virtualedit' set
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diff
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|
1633 else |
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patch 8.0.1765: CTRL-G j in Insert mode is incorrect when 'virtualedit' set
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diff
changeset
|
1634 getvcol(curwin, posp, NULL, &vcol, NULL); |
7 | 1635 curwin->w_p_list = list_save; |
1636 return vcol; | |
1637 } | |
1638 | |
1639 /* | |
1640 * Get virtual column in virtual mode. | |
1641 */ | |
1642 void | |
7817
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diff
changeset
|
1643 getvvcol( |
83861277e6a3
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diff
changeset
|
1644 win_T *wp, |
83861277e6a3
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parents:
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diff
changeset
|
1645 pos_T *pos, |
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1646 colnr_T *start, |
83861277e6a3
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parents:
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diff
changeset
|
1647 colnr_T *cursor, |
83861277e6a3
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Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
1648 colnr_T *end) |
7 | 1649 { |
1650 colnr_T col; | |
1651 colnr_T coladd; | |
1652 colnr_T endadd; | |
1653 char_u *ptr; | |
1654 | |
1655 if (virtual_active()) | |
1656 { | |
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diff
changeset
|
1657 // For virtual mode, only want one value |
7 | 1658 getvcol(wp, pos, &col, NULL, NULL); |
1659 | |
1660 coladd = pos->coladd; | |
1661 endadd = 0; | |
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diff
changeset
|
1662 // Cannot put the cursor on part of a wide character. |
7 | 1663 ptr = ml_get_buf(wp->w_buffer, pos->lnum, FALSE); |
1869 | 1664 if (pos->col < (colnr_T)STRLEN(ptr)) |
7 | 1665 { |
1666 int c = (*mb_ptr2char)(ptr + pos->col); | |
1667 | |
1668 if (c != TAB && vim_isprintc(c)) | |
1669 { | |
1869 | 1670 endadd = (colnr_T)(char2cells(c) - 1); |
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changeset
|
1671 if (coladd > endadd) // past end of line |
557 | 1672 endadd = 0; |
7 | 1673 else |
1674 coladd = 0; | |
1675 } | |
1676 } | |
1677 col += coladd; | |
1678 if (start != NULL) | |
1679 *start = col; | |
1680 if (cursor != NULL) | |
1681 *cursor = col; | |
1682 if (end != NULL) | |
1683 *end = col + endadd; | |
1684 } | |
1685 else | |
1686 getvcol(wp, pos, start, cursor, end); | |
1687 } | |
1688 | |
1689 /* | |
1690 * Get the leftmost and rightmost virtual column of pos1 and pos2. | |
1691 * Used for Visual block mode. | |
1692 */ | |
1693 void | |
7817
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diff
changeset
|
1694 getvcols( |
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
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diff
changeset
|
1695 win_T *wp, |
83861277e6a3
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|
1696 pos_T *pos1, |
83861277e6a3
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diff
changeset
|
1697 pos_T *pos2, |
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|
1698 colnr_T *left, |
83861277e6a3
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changeset
|
1699 colnr_T *right) |
7 | 1700 { |
1701 colnr_T from1, from2, to1, to2; | |
1702 | |
11121
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|
1703 if (LT_POSP(pos1, pos2)) |
7 | 1704 { |
1705 getvvcol(wp, pos1, &from1, NULL, &to1); | |
1706 getvvcol(wp, pos2, &from2, NULL, &to2); | |
1707 } | |
1708 else | |
1709 { | |
1710 getvvcol(wp, pos2, &from1, NULL, &to1); | |
1711 getvvcol(wp, pos1, &from2, NULL, &to2); | |
1712 } | |
1713 if (from2 < from1) | |
1714 *left = from2; | |
1715 else | |
1716 *left = from1; | |
1717 if (to2 > to1) | |
1718 { | |
1719 if (*p_sel == 'e' && from2 - 1 >= to1) | |
1720 *right = from2 - 1; | |
1721 else | |
1722 *right = to2; | |
1723 } | |
1724 else | |
1725 *right = to1; | |
1726 } | |
1727 | |
1728 /* | |
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changeset
|
1729 * Skip over ' ' and '\t'. |
7 | 1730 */ |
1731 char_u * | |
7817
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changeset
|
1732 skipwhite(char_u *q) |
7 | 1733 { |
1687 | 1734 char_u *p = q; |
1735 | |
26572
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changeset
|
1736 while (VIM_ISWHITE(*p)) |
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|
1737 ++p; |
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|
1738 return p; |
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1739 } |
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1740 |
27018
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changeset
|
1741 #if defined(FEAT_EVAL) || defined(PROTO) |
26572
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1742 /* |
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changeset
|
1743 * skip over ' ', '\t' and '\n'. |
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1744 */ |
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|
1745 char_u * |
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|
1746 skipwhite_and_nl(char_u *q) |
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|
1747 { |
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|
1748 char_u *p = q; |
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1749 |
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|
1750 while (VIM_ISWHITE(*p) || *p == NL) |
7 | 1751 ++p; |
1752 return p; | |
1753 } | |
27018
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|
1754 #endif |
7 | 1755 |
1756 /* | |
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|
1757 * getwhitecols: return the number of whitespace |
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|
1758 * columns (bytes) at the start of a given line |
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|
1759 */ |
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|
1760 int |
32009
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|
1761 getwhitecols_curline(void) |
12323
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|
1762 { |
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|
1763 return getwhitecols(ml_get_curline()); |
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|
1764 } |
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1765 |
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|
1766 int |
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|
1767 getwhitecols(char_u *p) |
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1768 { |
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|
1769 return skipwhite(p) - p; |
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1770 } |
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|
1771 |
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|
1772 /* |
293 | 1773 * skip over digits |
7 | 1774 */ |
1775 char_u * | |
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|
1776 skipdigits(char_u *q) |
7 | 1777 { |
1687 | 1778 char_u *p = q; |
1779 | |
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|
1780 while (VIM_ISDIGIT(*p)) // skip to next non-digit |
7 | 1781 ++p; |
1782 return p; | |
1783 } | |
1784 | |
741 | 1785 #if defined(FEAT_SYN_HL) || defined(FEAT_SPELL) || defined(PROTO) |
301 | 1786 /* |
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|
1787 * skip over binary digits |
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1788 */ |
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|
1789 char_u * |
7817
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|
1790 skipbin(char_u *q) |
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1791 { |
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|
1792 char_u *p = q; |
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1793 |
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|
1794 while (vim_isbdigit(*p)) // skip to next non-digit |
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1795 ++p; |
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|
1796 return p; |
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1797 } |
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1798 |
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|
1799 /* |
301 | 1800 * skip over digits and hex characters |
1801 */ | |
1802 char_u * | |
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|
1803 skiphex(char_u *q) |
301 | 1804 { |
1687 | 1805 char_u *p = q; |
1806 | |
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1807 while (vim_isxdigit(*p)) // skip to next non-digit |
301 | 1808 ++p; |
1809 return p; | |
1810 } | |
1811 #endif | |
1812 | |
293 | 1813 /* |
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1814 * skip to bin digit (or NUL after the string) |
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1815 */ |
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1816 char_u * |
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1817 skiptobin(char_u *q) |
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1818 { |
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1819 char_u *p = q; |
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1820 |
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1821 while (*p != NUL && !vim_isbdigit(*p)) // skip to next digit |
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1822 ++p; |
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1823 return p; |
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1824 } |
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1825 |
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|
1826 /* |
293 | 1827 * skip to digit (or NUL after the string) |
1828 */ | |
1829 char_u * | |
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|
1830 skiptodigit(char_u *q) |
293 | 1831 { |
1687 | 1832 char_u *p = q; |
1833 | |
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1834 while (*p != NUL && !VIM_ISDIGIT(*p)) // skip to next digit |
293 | 1835 ++p; |
1836 return p; | |
1837 } | |
1838 | |
1839 /* | |
1840 * skip to hex character (or NUL after the string) | |
1841 */ | |
1842 char_u * | |
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1843 skiptohex(char_u *q) |
293 | 1844 { |
1687 | 1845 char_u *p = q; |
1846 | |
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1847 while (*p != NUL && !vim_isxdigit(*p)) // skip to next digit |
293 | 1848 ++p; |
1849 return p; | |
1850 } | |
1851 | |
7 | 1852 /* |
1853 * Variant of isdigit() that can handle characters > 0x100. | |
1854 * We don't use isdigit() here, because on some systems it also considers | |
1855 * superscript 1 to be a digit. | |
1856 * Use the VIM_ISDIGIT() macro for simple arguments. | |
1857 */ | |
1858 int | |
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1859 vim_isdigit(int c) |
7 | 1860 { |
1861 return (c >= '0' && c <= '9'); | |
1862 } | |
1863 | |
1864 /* | |
1865 * Variant of isxdigit() that can handle characters > 0x100. | |
1866 * We don't use isxdigit() here, because on some systems it also considers | |
1867 * superscript 1 to be a digit. | |
1868 */ | |
1869 int | |
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1870 vim_isxdigit(int c) |
7 | 1871 { |
1872 return (c >= '0' && c <= '9') | |
1873 || (c >= 'a' && c <= 'f') | |
1874 || (c >= 'A' && c <= 'F'); | |
1875 } | |
1876 | |
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1877 /* |
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1878 * Corollary of vim_isdigit and vim_isxdigit() that can handle |
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1879 * characters > 0x100. |
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1880 */ |
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1881 int |
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1882 vim_isbdigit(int c) |
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1883 { |
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|
1884 return (c == '0' || c == '1'); |
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1885 } |
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1886 |
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1887 static int |
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1888 vim_isodigit(int c) |
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1889 { |
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1890 return (c >= '0' && c <= '7'); |
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1891 } |
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1892 |
492 | 1893 /* |
1894 * Vim's own character class functions. These exist because many library | |
1895 * islower()/toupper() etc. do not work properly: they crash when used with | |
1896 * invalid values or can't handle latin1 when the locale is C. | |
1897 * Speed is most important here. | |
1898 */ | |
1899 #define LATIN1LOWER 'l' | |
1900 #define LATIN1UPPER 'U' | |
1901 | |
497 | 1902 static char_u latin1flags[257] = " UUUUUUUUUUUUUUUUUUUUUUUUUU llllllllllllllllllllllllll UUUUUUUUUUUUUUUUUUUUUUU UUUUUUUllllllllllllllllllllllll llllllll"; |
3533 | 1903 static char_u latin1upper[257] = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xf7\xd8\xd9\xda\xdb\xdc\xdd\xde\xff"; |
1904 static char_u latin1lower[257] = " !\"#$%&'()*+,-./0123456789:;<=>?@abcdefghijklmnopqrstuvwxyz[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xd7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"; | |
492 | 1905 |
1906 int | |
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1907 vim_islower(int c) |
492 | 1908 { |
1909 if (c <= '@') | |
1910 return FALSE; | |
1911 if (c >= 0x80) | |
1912 { | |
1913 if (enc_utf8) | |
1914 return utf_islower(c); | |
1915 if (c >= 0x100) | |
1916 { | |
1917 #ifdef HAVE_ISWLOWER | |
1918 if (has_mbyte) | |
1919 return iswlower(c); | |
1920 #endif | |
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1921 // islower() can't handle these chars and may crash |
492 | 1922 return FALSE; |
1923 } | |
1924 if (enc_latin1like) | |
1925 return (latin1flags[c] & LATIN1LOWER) == LATIN1LOWER; | |
1926 } | |
1927 return islower(c); | |
1928 } | |
1929 | |
1930 int | |
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1931 vim_isupper(int c) |
492 | 1932 { |
1933 if (c <= '@') | |
1934 return FALSE; | |
1935 if (c >= 0x80) | |
1936 { | |
1937 if (enc_utf8) | |
1938 return utf_isupper(c); | |
1939 if (c >= 0x100) | |
1940 { | |
1941 #ifdef HAVE_ISWUPPER | |
1942 if (has_mbyte) | |
1943 return iswupper(c); | |
1944 #endif | |
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1945 // islower() can't handle these chars and may crash |
492 | 1946 return FALSE; |
1947 } | |
1948 if (enc_latin1like) | |
1949 return (latin1flags[c] & LATIN1UPPER) == LATIN1UPPER; | |
1950 } | |
1951 return isupper(c); | |
1952 } | |
1953 | |
1954 int | |
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1955 vim_isalpha(int c) |
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1956 { |
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1957 return vim_islower(c) || vim_isupper(c); |
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1958 } |
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1959 |
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1960 int |
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1961 vim_toupper(int c) |
492 | 1962 { |
1963 if (c <= '@') | |
1964 return c; | |
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1965 if (c >= 0x80 || !(cmp_flags & CMP_KEEPASCII)) |
492 | 1966 { |
1967 if (enc_utf8) | |
1968 return utf_toupper(c); | |
1969 if (c >= 0x100) | |
1970 { | |
1971 #ifdef HAVE_TOWUPPER | |
1972 if (has_mbyte) | |
1973 return towupper(c); | |
1974 #endif | |
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1975 // toupper() can't handle these chars and may crash |
492 | 1976 return c; |
1977 } | |
1978 if (enc_latin1like) | |
1979 return latin1upper[c]; | |
1980 } | |
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1981 if (c < 0x80 && (cmp_flags & CMP_KEEPASCII)) |
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1982 return TOUPPER_ASC(c); |
492 | 1983 return TOUPPER_LOC(c); |
1984 } | |
1985 | |
1986 int | |
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1987 vim_tolower(int c) |
492 | 1988 { |
1989 if (c <= '@') | |
1990 return c; | |
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1991 if (c >= 0x80 || !(cmp_flags & CMP_KEEPASCII)) |
492 | 1992 { |
1993 if (enc_utf8) | |
1994 return utf_tolower(c); | |
1995 if (c >= 0x100) | |
1996 { | |
1997 #ifdef HAVE_TOWLOWER | |
1998 if (has_mbyte) | |
1999 return towlower(c); | |
2000 #endif | |
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2001 // tolower() can't handle these chars and may crash |
492 | 2002 return c; |
2003 } | |
2004 if (enc_latin1like) | |
2005 return latin1lower[c]; | |
2006 } | |
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2007 if (c < 0x80 && (cmp_flags & CMP_KEEPASCII)) |
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2008 return TOLOWER_ASC(c); |
492 | 2009 return TOLOWER_LOC(c); |
2010 } | |
2011 | |
7 | 2012 /* |
2013 * skiptowhite: skip over text until ' ' or '\t' or NUL. | |
2014 */ | |
2015 char_u * | |
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2016 skiptowhite(char_u *p) |
7 | 2017 { |
2018 while (*p != ' ' && *p != '\t' && *p != NUL) | |
2019 ++p; | |
2020 return p; | |
2021 } | |
2022 | |
2023 /* | |
2024 * skiptowhite_esc: Like skiptowhite(), but also skip escaped chars | |
2025 */ | |
2026 char_u * | |
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2027 skiptowhite_esc(char_u *p) |
7 | 2028 { |
2029 while (*p != ' ' && *p != '\t' && *p != NUL) | |
2030 { | |
2031 if ((*p == '\\' || *p == Ctrl_V) && *(p + 1) != NUL) | |
2032 ++p; | |
2033 ++p; | |
2034 } | |
2035 return p; | |
2036 } | |
2037 | |
2038 /* | |
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2039 * Get a number from a string and skip over it. |
7 | 2040 * Note: the argument is a pointer to a char_u pointer! |
2041 */ | |
2042 long | |
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2043 getdigits(char_u **pp) |
7 | 2044 { |
2045 char_u *p; | |
2046 long retval; | |
2047 | |
2048 p = *pp; | |
2049 retval = atol((char *)p); | |
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2050 if (*p == '-') // skip negative sign |
7 | 2051 ++p; |
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2052 p = skipdigits(p); // skip to next non-digit |
7 | 2053 *pp = p; |
2054 return retval; | |
2055 } | |
2056 | |
2057 /* | |
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2058 * Like getdigits() but allow for embedded single quotes. |
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2059 */ |
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2060 long |
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2061 getdigits_quoted(char_u **pp) |
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2062 { |
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2063 char_u *p = *pp; |
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2064 long retval = 0; |
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2065 |
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2066 if (*p == '-') |
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2067 ++p; |
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2068 while (VIM_ISDIGIT(*p)) |
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2069 { |
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2070 if (retval >= LONG_MAX / 10 - 10) |
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2071 retval = LONG_MAX; |
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2072 else |
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2073 retval = retval * 10 - '0' + *p; |
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2074 ++p; |
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2075 if (in_vim9script() && *p == '\'' && VIM_ISDIGIT(p[1])) |
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2076 ++p; |
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2077 } |
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2078 if (**pp == '-') |
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2079 { |
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2080 if (retval == LONG_MAX) |
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2081 retval = LONG_MIN; |
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2082 else |
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2083 retval = -retval; |
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2084 } |
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2085 *pp = p; |
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2086 return retval; |
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2087 } |
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2088 |
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2089 /* |
7 | 2090 * Return TRUE if "lbuf" is empty or only contains blanks. |
2091 */ | |
2092 int | |
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2093 vim_isblankline(char_u *lbuf) |
7 | 2094 { |
2095 char_u *p; | |
2096 | |
2097 p = skipwhite(lbuf); | |
2098 return (*p == NUL || *p == '\r' || *p == '\n'); | |
2099 } | |
2100 | |
2101 /* | |
2102 * Convert a string into a long and/or unsigned long, taking care of | |
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2103 * hexadecimal, octal, and binary numbers. Accepts a '-' sign. |
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2104 * If "prep" is not NULL, returns a flag to indicate the type of the number: |
7 | 2105 * 0 decimal |
2106 * '0' octal | |
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2107 * 'O' octal |
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2108 * 'o' octal |
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2109 * 'B' bin |
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2110 * 'b' bin |
7 | 2111 * 'X' hex |
2112 * 'x' hex | |
2113 * If "len" is not NULL, the length of the number in characters is returned. | |
2114 * If "nptr" is not NULL, the signed result is returned in it. | |
2115 * If "unptr" is not NULL, the unsigned result is returned in it. | |
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2116 * If "what" contains STR2NR_BIN recognize binary numbers |
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2117 * If "what" contains STR2NR_OCT recognize octal numbers |
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2118 * If "what" contains STR2NR_HEX recognize hex numbers |
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2119 * If "what" contains STR2NR_FORCE always assume bin/oct/hex. |
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2120 * If "what" contains STR2NR_QUOTE ignore embedded single quotes |
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2121 * If maxlen > 0, check at a maximum maxlen chars. |
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2122 * If strict is TRUE, check the number strictly. return *len = 0 if fail. |
7 | 2123 */ |
2124 void | |
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2125 vim_str2nr( |
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2126 char_u *start, |
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|
2127 int *prep, // return: type of number 0 = decimal, 'x' |
20665
6ff992bf4c82
patch 8.2.0886: cannot use octal numbers in scriptversion 4
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
2128 // or 'X' is hex, '0', 'o' or 'O' is octal, |
6ff992bf4c82
patch 8.2.0886: cannot use octal numbers in scriptversion 4
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
2129 // 'b' or 'B' is bin |
16706
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
2130 int *len, // return: detected length of number |
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2131 int what, // what numbers to recognize |
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2132 varnumber_T *nptr, // return: signed result |
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
2133 uvarnumber_T *unptr, // return: unsigned result |
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
2134 int maxlen, // max length of string to check |
32098
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2135 int strict, // check strictly |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2136 int *overflow) // when not NULL set to TRUE for overflow |
7 | 2137 { |
2138 char_u *ptr = start; | |
16706
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
2139 int pre = 0; // default is decimal |
7 | 2140 int negative = FALSE; |
9389
32e34e574716
commit https://github.com/vim/vim/commit/22fcfad29276bd5f317faf516637dcd491b96a12
Christian Brabandt <cb@256bit.org>
parents:
8643
diff
changeset
|
2141 uvarnumber_T un = 0; |
39 | 2142 int n; |
7 | 2143 |
16706
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
2144 if (len != NULL) |
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
2145 *len = 0; |
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
2146 |
7 | 2147 if (ptr[0] == '-') |
2148 { | |
2149 negative = TRUE; | |
2150 ++ptr; | |
2151 } | |
2152 | |
18757
c469e1930456
patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
2153 // Recognize hex, octal, and bin. |
6927 | 2154 if (ptr[0] == '0' && ptr[1] != '8' && ptr[1] != '9' |
2155 && (maxlen == 0 || maxlen > 1)) | |
7 | 2156 { |
7447
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2157 pre = ptr[1]; |
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2158 if ((what & STR2NR_HEX) |
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2159 && (pre == 'X' || pre == 'x') && vim_isxdigit(ptr[2]) |
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2160 && (maxlen == 0 || maxlen > 2)) |
18757
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patch 8.1.2368: using old C style comments
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parents:
18574
diff
changeset
|
2161 // hexadecimal |
7447
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2162 ptr += 2; |
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2163 else if ((what & STR2NR_BIN) |
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2164 && (pre == 'B' || pre == 'b') && vim_isbdigit(ptr[2]) |
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2165 && (maxlen == 0 || maxlen > 2)) |
18757
c469e1930456
patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
2166 // binary |
7447
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2167 ptr += 2; |
20665
6ff992bf4c82
patch 8.2.0886: cannot use octal numbers in scriptversion 4
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
2168 else if ((what & STR2NR_OOCT) |
23533
ee43d943c3bb
patch 8.2.2309: 0o777 not recognized as octal
Bram Moolenaar <Bram@vim.org>
parents:
20782
diff
changeset
|
2169 && (pre == 'O' || pre == 'o') && vim_isodigit(ptr[2]) |
20665
6ff992bf4c82
patch 8.2.0886: cannot use octal numbers in scriptversion 4
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
2170 && (maxlen == 0 || maxlen > 2)) |
6ff992bf4c82
patch 8.2.0886: cannot use octal numbers in scriptversion 4
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2171 // octal with prefix "0o" |
6ff992bf4c82
patch 8.2.0886: cannot use octal numbers in scriptversion 4
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
2172 ptr += 2; |
7 | 2173 else |
2174 { | |
18757
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patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
2175 // decimal or octal, default is decimal |
7447
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2176 pre = 0; |
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2177 if (what & STR2NR_OCT) |
39 | 2178 { |
18757
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patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2179 // Don't interpret "0", "08" or "0129" as octal. |
12704
ee5f3f5d3c55
patch 8.0.1230: CTRL-A in Visual mode uses character after selection
Christian Brabandt <cb@256bit.org>
parents:
12702
diff
changeset
|
2180 for (n = 1; n != maxlen && VIM_ISDIGIT(ptr[n]); ++n) |
39 | 2181 { |
2182 if (ptr[n] > '7') | |
2183 { | |
18757
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patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2184 pre = 0; // can't be octal |
39 | 2185 break; |
2186 } | |
18757
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patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
2187 pre = '0'; // assume octal |
39 | 2188 } |
2189 } | |
7 | 2190 } |
2191 } | |
2192 | |
16706
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2193 // Do the conversion manually to avoid sscanf() quirks. |
6927 | 2194 n = 1; |
18082
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2195 if (pre == 'B' || pre == 'b' |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2196 || ((what & STR2NR_BIN) && (what & STR2NR_FORCE))) |
7447
ad432f8f68fb
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2197 { |
18757
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patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2198 // bin |
7447
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commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2199 if (pre != 0) |
18757
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patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
2200 n += 2; // skip over "0b" |
7447
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2201 while ('0' <= *ptr && *ptr <= '1') |
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2202 { |
18757
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patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2203 // avoid ubsan error for overflow |
14061
47b2db8a5709
patch 8.1.0048: vim_str2nr() does not handle numbers close to the maximum
Christian Brabandt <cb@256bit.org>
parents:
13786
diff
changeset
|
2204 if (un <= UVARNUM_MAX / 2) |
47b2db8a5709
patch 8.1.0048: vim_str2nr() does not handle numbers close to the maximum
Christian Brabandt <cb@256bit.org>
parents:
13786
diff
changeset
|
2205 un = 2 * un + (uvarnumber_T)(*ptr - '0'); |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2206 else |
32098
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2207 { |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
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10549
diff
changeset
|
2208 un = UVARNUM_MAX; |
32098
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2209 if (overflow != NULL) |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2210 *overflow = TRUE; |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2211 } |
7447
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2212 ++ptr; |
ad432f8f68fb
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Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2213 if (n++ == maxlen) |
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2214 break; |
18082
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patch 8.1.2036: the str2nr() tests fail
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diff
changeset
|
2215 if ((what & STR2NR_QUOTE) && *ptr == '\'' |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
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parents:
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diff
changeset
|
2216 && '0' <= ptr[1] && ptr[1] <= '1') |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2217 { |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
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changeset
|
2218 ++ptr; |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2219 if (n++ == maxlen) |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2220 break; |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
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parents:
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diff
changeset
|
2221 } |
7447
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|
2222 } |
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
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changeset
|
2223 } |
20665
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patch 8.2.0886: cannot use octal numbers in scriptversion 4
Bram Moolenaar <Bram@vim.org>
parents:
20007
diff
changeset
|
2224 else if (pre == 'O' || pre == 'o' || |
6ff992bf4c82
patch 8.2.0886: cannot use octal numbers in scriptversion 4
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2225 pre == '0' || ((what & STR2NR_OCT) && (what & STR2NR_FORCE))) |
7 | 2226 { |
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changeset
|
2227 // octal |
20665
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patch 8.2.0886: cannot use octal numbers in scriptversion 4
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2228 if (pre != 0 && pre != '0') |
6ff992bf4c82
patch 8.2.0886: cannot use octal numbers in scriptversion 4
Bram Moolenaar <Bram@vim.org>
parents:
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|
2229 n += 2; // skip over "0o" |
293 | 2230 while ('0' <= *ptr && *ptr <= '7') |
7 | 2231 { |
18757
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changeset
|
2232 // avoid ubsan error for overflow |
14061
47b2db8a5709
patch 8.1.0048: vim_str2nr() does not handle numbers close to the maximum
Christian Brabandt <cb@256bit.org>
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13786
diff
changeset
|
2233 if (un <= UVARNUM_MAX / 8) |
10658
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patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2234 un = 8 * un + (uvarnumber_T)(*ptr - '0'); |
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
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parents:
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changeset
|
2235 else |
32098
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
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changeset
|
2236 { |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
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parents:
10549
diff
changeset
|
2237 un = UVARNUM_MAX; |
32098
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patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2238 if (overflow != NULL) |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2239 *overflow = TRUE; |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2240 } |
293 | 2241 ++ptr; |
6927 | 2242 if (n++ == maxlen) |
2243 break; | |
18082
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
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parents:
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diff
changeset
|
2244 if ((what & STR2NR_QUOTE) && *ptr == '\'' |
1c7a91cf2356
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2245 && '0' <= ptr[1] && ptr[1] <= '7') |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2246 { |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2247 ++ptr; |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2248 if (n++ == maxlen) |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2249 break; |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2250 } |
7 | 2251 } |
293 | 2252 } |
18082
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
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diff
changeset
|
2253 else if (pre != 0 || ((what & STR2NR_HEX) && (what & STR2NR_FORCE))) |
293 | 2254 { |
18757
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Bram Moolenaar <Bram@vim.org>
parents:
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diff
changeset
|
2255 // hex |
7447
ad432f8f68fb
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Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2256 if (pre != 0) |
18757
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patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
2257 n += 2; // skip over "0x" |
293 | 2258 while (vim_isxdigit(*ptr)) |
7 | 2259 { |
18757
c469e1930456
patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
2260 // avoid ubsan error for overflow |
14061
47b2db8a5709
patch 8.1.0048: vim_str2nr() does not handle numbers close to the maximum
Christian Brabandt <cb@256bit.org>
parents:
13786
diff
changeset
|
2261 if (un <= UVARNUM_MAX / 16) |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2262 un = 16 * un + (uvarnumber_T)hex2nr(*ptr); |
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2263 else |
32098
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2264 { |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2265 un = UVARNUM_MAX; |
32098
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2266 if (overflow != NULL) |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2267 *overflow = TRUE; |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2268 } |
293 | 2269 ++ptr; |
6927 | 2270 if (n++ == maxlen) |
2271 break; | |
18082
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2272 if ((what & STR2NR_QUOTE) && *ptr == '\'' && vim_isxdigit(ptr[1])) |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2273 { |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2274 ++ptr; |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2275 if (n++ == maxlen) |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2276 break; |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2277 } |
7 | 2278 } |
2279 } | |
2280 else | |
2281 { | |
18757
c469e1930456
patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
2282 // decimal |
7 | 2283 while (VIM_ISDIGIT(*ptr)) |
2284 { | |
14061
47b2db8a5709
patch 8.1.0048: vim_str2nr() does not handle numbers close to the maximum
Christian Brabandt <cb@256bit.org>
parents:
13786
diff
changeset
|
2285 uvarnumber_T digit = (uvarnumber_T)(*ptr - '0'); |
47b2db8a5709
patch 8.1.0048: vim_str2nr() does not handle numbers close to the maximum
Christian Brabandt <cb@256bit.org>
parents:
13786
diff
changeset
|
2286 |
18757
c469e1930456
patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
2287 // avoid ubsan error for overflow |
14061
47b2db8a5709
patch 8.1.0048: vim_str2nr() does not handle numbers close to the maximum
Christian Brabandt <cb@256bit.org>
parents:
13786
diff
changeset
|
2288 if (un < UVARNUM_MAX / 10 |
47b2db8a5709
patch 8.1.0048: vim_str2nr() does not handle numbers close to the maximum
Christian Brabandt <cb@256bit.org>
parents:
13786
diff
changeset
|
2289 || (un == UVARNUM_MAX / 10 && digit <= UVARNUM_MAX % 10)) |
47b2db8a5709
patch 8.1.0048: vim_str2nr() does not handle numbers close to the maximum
Christian Brabandt <cb@256bit.org>
parents:
13786
diff
changeset
|
2290 un = 10 * un + digit; |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2291 else |
32098
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2292 { |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2293 un = UVARNUM_MAX; |
32098
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2294 if (overflow != NULL) |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2295 *overflow = TRUE; |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2296 } |
7 | 2297 ++ptr; |
6927 | 2298 if (n++ == maxlen) |
2299 break; | |
18082
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2300 if ((what & STR2NR_QUOTE) && *ptr == '\'' && VIM_ISDIGIT(ptr[1])) |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2301 { |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2302 ++ptr; |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2303 if (n++ == maxlen) |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2304 break; |
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2305 } |
7 | 2306 } |
2307 } | |
18082
1c7a91cf2356
patch 8.1.2036: the str2nr() tests fail
Bram Moolenaar <Bram@vim.org>
parents:
17809
diff
changeset
|
2308 |
19195
2ef19eed524a
patch 8.2.0156: various typos in source files and tests
Bram Moolenaar <Bram@vim.org>
parents:
18757
diff
changeset
|
2309 // Check for an alphanumeric character immediately following, that is |
16706
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
2310 // most likely a typo. |
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
2311 if (strict && n - 1 != maxlen && ASCII_ISALNUM(*ptr)) |
77bcb5055fec
patch 8.1.1355: obvious mistakes are accepted as valid expressions
Bram Moolenaar <Bram@vim.org>
parents:
16054
diff
changeset
|
2312 return; |
7 | 2313 |
7447
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2314 if (prep != NULL) |
ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2315 *prep = pre; |
7 | 2316 if (len != NULL) |
2317 *len = (int)(ptr - start); | |
2318 if (nptr != NULL) | |
16 | 2319 { |
18757
c469e1930456
patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
2320 if (negative) // account for leading '-' for decimal numbers |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2321 { |
18757
c469e1930456
patch 8.1.2368: using old C style comments
Bram Moolenaar <Bram@vim.org>
parents:
18574
diff
changeset
|
2322 // avoid ubsan error for overflow |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2323 if (un > VARNUM_MAX) |
32098
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2324 { |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2325 *nptr = VARNUM_MIN; |
32098
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2326 if (overflow != NULL) |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2327 *overflow = TRUE; |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2328 } |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2329 else |
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2330 *nptr = -(varnumber_T)un; |
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2331 } |
16 | 2332 else |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2333 { |
30986
360f286b5869
patch 9.0.0828: various typos
Bram Moolenaar <Bram@vim.org>
parents:
30833
diff
changeset
|
2334 // prevent a large unsigned number to become negative |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2335 if (un > VARNUM_MAX) |
32098
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2336 { |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2337 un = VARNUM_MAX; |
32098
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2338 if (overflow != NULL) |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2339 *overflow = TRUE; |
39f4126d2a0d
patch 9.0.1380: CTRL-X on 2**64 subtracts two
Bram Moolenaar <Bram@vim.org>
parents:
32009
diff
changeset
|
2340 } |
9389
32e34e574716
commit https://github.com/vim/vim/commit/22fcfad29276bd5f317faf516637dcd491b96a12
Christian Brabandt <cb@256bit.org>
parents:
8643
diff
changeset
|
2341 *nptr = (varnumber_T)un; |
10658
77d66e9ac0ab
patch 8.0.0219: ubsan reports errors for overflow
Christian Brabandt <cb@256bit.org>
parents:
10549
diff
changeset
|
2342 } |
16 | 2343 } |
7 | 2344 if (unptr != NULL) |
2345 *unptr = un; | |
2346 } | |
2347 | |
2348 /* | |
2349 * Return the value of a single hex character. | |
2350 * Only valid when the argument is '0' - '9', 'A' - 'F' or 'a' - 'f'. | |
2351 */ | |
2352 int | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2353 hex2nr(int c) |
7 | 2354 { |
2355 if (c >= 'a' && c <= 'f') | |
2356 return c - 'a' + 10; | |
2357 if (c >= 'A' && c <= 'F') | |
2358 return c - 'A' + 10; | |
2359 return c - '0'; | |
2360 } | |
2361 | |
2362 /* | |
2363 * Convert two hex characters to a byte. | |
2364 * Return -1 if one of the characters is not hex. | |
2365 */ | |
2366 int | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2367 hexhex2nr(char_u *p) |
7 | 2368 { |
2369 if (!vim_isxdigit(p[0]) || !vim_isxdigit(p[1])) | |
2370 return -1; | |
2371 return (hex2nr(p[0]) << 4) + hex2nr(p[1]); | |
2372 } | |
2373 | |
2374 /* | |
2375 * Return TRUE if "str" starts with a backslash that should be removed. | |
16054
78faa25f9698
patch 8.1.1032: warnings from clang static analyzer
Bram Moolenaar <Bram@vim.org>
parents:
15850
diff
changeset
|
2376 * For MS-DOS, MSWIN and OS/2 this is only done when the character after the |
7 | 2377 * backslash is not a normal file name character. |
2378 * '$' is a valid file name character, we don't remove the backslash before | |
2379 * it. This means it is not possible to use an environment variable after a | |
2380 * backslash. "C:\$VIM\doc" is taken literally, only "$VIM\doc" works. | |
2381 * Although "\ name" is valid, the backslash in "Program\ files" must be | |
2382 * removed. Assume a file name doesn't start with a space. | |
2383 * For multi-byte names, never remove a backslash before a non-ascii | |
2384 * character, assume that all multi-byte characters are valid file name | |
2385 * characters. | |
2386 */ | |
2387 int | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2388 rem_backslash(char_u *str) |
7 | 2389 { |
2390 #ifdef BACKSLASH_IN_FILENAME | |
2391 return (str[0] == '\\' | |
2392 && str[1] < 0x80 | |
2393 && (str[1] == ' ' | |
2394 || (str[1] != NUL | |
2395 && str[1] != '*' | |
2396 && str[1] != '?' | |
2397 && !vim_isfilec(str[1])))); | |
2398 #else | |
2399 return (str[0] == '\\' && str[1] != NUL); | |
2400 #endif | |
2401 } | |
2402 | |
2403 /* | |
2404 * Halve the number of backslashes in a file name argument. | |
2405 * For MS-DOS we only do this if the character after the backslash | |
2406 * is not a normal file character. | |
2407 */ | |
2408 void | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2409 backslash_halve(char_u *p) |
7 | 2410 { |
2411 for ( ; *p; ++p) | |
2412 if (rem_backslash(p)) | |
1621 | 2413 STRMOVE(p, p + 1); |
7 | 2414 } |
2415 | |
2416 /* | |
2417 * backslash_halve() plus save the result in allocated memory. | |
17809
59f8948b7590
patch 8.1.1901: the +insert_expand feature is not always available
Bram Moolenaar <Bram@vim.org>
parents:
17789
diff
changeset
|
2418 * However, returns "p" when out of memory. |
7 | 2419 */ |
2420 char_u * | |
7817
83861277e6a3
commit https://github.com/vim/vim/commit/7454a06e2642d2b37afad1c5e71cec68081ca4ff
Christian Brabandt <cb@256bit.org>
parents:
7799
diff
changeset
|
2421 backslash_halve_save(char_u *p) |
7 | 2422 { |
2423 char_u *res; | |
2424 | |
2425 res = vim_strsave(p); | |
2426 if (res == NULL) | |
2427 return p; | |
2428 backslash_halve(res); | |
2429 return res; | |
2430 } |