Mercurial > vim
annotate src/charset.c @ 7799:af3c41a3c53f v7.4.1196
commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri Jan 29 22:03:47 2016 +0100
patch 7.4.1196
Problem: Still using __ARGS.
Solution: Remove __ARGS in several files. (script by Hirohito Higashi)
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Fri, 29 Jan 2016 22:15:05 +0100 |
| parents | f04e2b6feea2 |
| children | 83861277e6a3 |
| rev | line source |
|---|---|
| 7 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 2 * | |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * | |
| 5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 6 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 7 * See README.txt for an overview of the Vim source code. | |
| 8 */ | |
| 9 | |
| 10 #include "vim.h" | |
| 11 | |
| 12 #ifdef FEAT_LINEBREAK | |
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commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a
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13 static int win_chartabsize(win_T *wp, char_u *p, colnr_T col); |
| 7 | 14 #endif |
| 15 | |
| 16 #ifdef FEAT_MBYTE | |
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Include wchar.h in charset.c for towupper().
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17 # if defined(HAVE_WCHAR_H) |
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Include wchar.h in charset.c for towupper().
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18 # include <wchar.h> /* for towupper() and towlower() */ |
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Include wchar.h in charset.c for towupper().
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19 # endif |
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commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a
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parents:
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20 static int win_nolbr_chartabsize(win_T *wp, char_u *s, colnr_T col, int *headp); |
| 7 | 21 #endif |
| 22 | |
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commit https://github.com/vim/vim/commit/f28dbcea371b3a35727d91afc90fb90e0527d78a
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23 static unsigned nr2hex(unsigned c); |
| 7 | 24 |
| 25 static int chartab_initialized = FALSE; | |
| 26 | |
| 27 /* b_chartab[] is an array of 32 bytes, each bit representing one of the | |
| 28 * characters 0-255. */ | |
| 29 #define SET_CHARTAB(buf, c) (buf)->b_chartab[(unsigned)(c) >> 3] |= (1 << ((c) & 0x7)) | |
| 30 #define RESET_CHARTAB(buf, c) (buf)->b_chartab[(unsigned)(c) >> 3] &= ~(1 << ((c) & 0x7)) | |
| 31 #define GET_CHARTAB(buf, c) ((buf)->b_chartab[(unsigned)(c) >> 3] & (1 << ((c) & 0x7))) | |
| 32 | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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33 /* table used below, see init_chartab() for an explanation */ |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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34 static char_u g_chartab[256]; |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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35 |
| 7 | 36 /* |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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37 * Flags for g_chartab[]. |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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38 */ |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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39 #define CT_CELL_MASK 0x07 /* mask: nr of display cells (1, 2 or 4) */ |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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40 #define CT_PRINT_CHAR 0x10 /* flag: set for printable chars */ |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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41 #define CT_ID_CHAR 0x20 /* flag: set for ID chars */ |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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42 #define CT_FNAME_CHAR 0x40 /* flag: set for file name chars */ |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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43 |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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44 /* |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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45 * Fill g_chartab[]. Also fills curbuf->b_chartab[] with flags for keyword |
| 7 | 46 * characters for current buffer. |
| 47 * | |
| 48 * Depends on the option settings 'iskeyword', 'isident', 'isfname', | |
| 49 * 'isprint' and 'encoding'. | |
| 50 * | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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51 * The index in g_chartab[] depends on 'encoding': |
| 7 | 52 * - For non-multi-byte index with the byte (same as the character). |
| 53 * - For DBCS index with the first byte. | |
| 54 * - For UTF-8 index with the character (when first byte is up to 0x80 it is | |
| 55 * the same as the character, if the first byte is 0x80 and above it depends | |
| 56 * on further bytes). | |
| 57 * | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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58 * The contents of g_chartab[]: |
| 7 | 59 * - The lower two bits, masked by CT_CELL_MASK, give the number of display |
| 60 * cells the character occupies (1 or 2). Not valid for UTF-8 above 0x80. | |
| 61 * - CT_PRINT_CHAR bit is set when the character is printable (no need to | |
| 62 * translate the character before displaying it). Note that only DBCS | |
| 63 * characters can have 2 display cells and still be printable. | |
| 64 * - CT_FNAME_CHAR bit is set when the character can be in a file name. | |
| 65 * - CT_ID_CHAR bit is set when the character can be in an identifier. | |
| 66 * | |
| 67 * Return FAIL if 'iskeyword', 'isident', 'isfname' or 'isprint' option has an | |
| 68 * error, OK otherwise. | |
| 69 */ | |
| 70 int | |
| 71 init_chartab() | |
| 72 { | |
| 73 return buf_init_chartab(curbuf, TRUE); | |
| 74 } | |
| 75 | |
| 76 int | |
| 77 buf_init_chartab(buf, global) | |
| 78 buf_T *buf; | |
| 79 int global; /* FALSE: only set buf->b_chartab[] */ | |
| 80 { | |
| 81 int c; | |
| 82 int c2; | |
| 83 char_u *p; | |
| 84 int i; | |
| 85 int tilde; | |
| 86 int do_isalpha; | |
| 87 | |
| 88 if (global) | |
| 89 { | |
| 90 /* | |
| 91 * Set the default size for printable characters: | |
| 92 * From <Space> to '~' is 1 (printable), others are 2 (not printable). | |
| 93 * This also inits all 'isident' and 'isfname' flags to FALSE. | |
| 94 * | |
| 95 * EBCDIC: all chars below ' ' are not printable, all others are | |
| 96 * printable. | |
| 97 */ | |
| 98 c = 0; | |
| 99 while (c < ' ') | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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100 g_chartab[c++] = (dy_flags & DY_UHEX) ? 4 : 2; |
| 7 | 101 #ifdef EBCDIC |
| 102 while (c < 255) | |
| 103 #else | |
| 104 while (c <= '~') | |
| 105 #endif | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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106 g_chartab[c++] = 1 + CT_PRINT_CHAR; |
| 7 | 107 #ifdef FEAT_FKMAP |
| 108 if (p_altkeymap) | |
| 109 { | |
| 110 while (c < YE) | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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111 g_chartab[c++] = 1 + CT_PRINT_CHAR; |
| 7 | 112 } |
| 113 #endif | |
| 114 while (c < 256) | |
| 115 { | |
| 116 #ifdef FEAT_MBYTE | |
| 117 /* UTF-8: bytes 0xa0 - 0xff are printable (latin1) */ | |
| 118 if (enc_utf8 && c >= 0xa0) | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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119 g_chartab[c++] = CT_PRINT_CHAR + 1; |
| 7 | 120 /* euc-jp characters starting with 0x8e are single width */ |
| 121 else if (enc_dbcs == DBCS_JPNU && c == 0x8e) | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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122 g_chartab[c++] = CT_PRINT_CHAR + 1; |
| 7 | 123 /* other double-byte chars can be printable AND double-width */ |
| 124 else if (enc_dbcs != 0 && MB_BYTE2LEN(c) == 2) | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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125 g_chartab[c++] = CT_PRINT_CHAR + 2; |
| 7 | 126 else |
| 127 #endif | |
| 128 /* the rest is unprintable by default */ | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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129 g_chartab[c++] = (dy_flags & DY_UHEX) ? 4 : 2; |
| 7 | 130 } |
| 131 | |
| 132 #ifdef FEAT_MBYTE | |
| 133 /* Assume that every multi-byte char is a filename character. */ | |
| 134 for (c = 1; c < 256; ++c) | |
| 135 if ((enc_dbcs != 0 && MB_BYTE2LEN(c) > 1) | |
| 136 || (enc_dbcs == DBCS_JPNU && c == 0x8e) | |
| 137 || (enc_utf8 && c >= 0xa0)) | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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138 g_chartab[c] |= CT_FNAME_CHAR; |
| 7 | 139 #endif |
| 140 } | |
| 141 | |
| 142 /* | |
| 143 * Init word char flags all to FALSE | |
| 144 */ | |
| 145 vim_memset(buf->b_chartab, 0, (size_t)32); | |
| 146 #ifdef FEAT_MBYTE | |
| 227 | 147 if (enc_dbcs != 0) |
| 148 for (c = 0; c < 256; ++c) | |
| 149 { | |
| 150 /* double-byte characters are probably word characters */ | |
| 151 if (MB_BYTE2LEN(c) == 2) | |
| 152 SET_CHARTAB(buf, c); | |
| 153 } | |
| 7 | 154 #endif |
| 155 | |
| 156 #ifdef FEAT_LISP | |
| 157 /* | |
| 158 * In lisp mode the '-' character is included in keywords. | |
| 159 */ | |
| 160 if (buf->b_p_lisp) | |
| 161 SET_CHARTAB(buf, '-'); | |
| 162 #endif | |
| 163 | |
| 164 /* Walk through the 'isident', 'iskeyword', 'isfname' and 'isprint' | |
| 165 * options Each option is a list of characters, character numbers or | |
| 166 * ranges, separated by commas, e.g.: "200-210,x,#-178,-" | |
| 167 */ | |
| 168 for (i = global ? 0 : 3; i <= 3; ++i) | |
| 169 { | |
| 170 if (i == 0) | |
| 171 p = p_isi; /* first round: 'isident' */ | |
| 172 else if (i == 1) | |
| 173 p = p_isp; /* second round: 'isprint' */ | |
| 174 else if (i == 2) | |
| 175 p = p_isf; /* third round: 'isfname' */ | |
| 176 else /* i == 3 */ | |
| 177 p = buf->b_p_isk; /* fourth round: 'iskeyword' */ | |
| 178 | |
| 179 while (*p) | |
| 180 { | |
| 181 tilde = FALSE; | |
| 182 do_isalpha = FALSE; | |
| 183 if (*p == '^' && p[1] != NUL) | |
| 184 { | |
| 185 tilde = TRUE; | |
| 186 ++p; | |
| 187 } | |
| 188 if (VIM_ISDIGIT(*p)) | |
| 189 c = getdigits(&p); | |
| 190 else | |
| 1955 | 191 #ifdef FEAT_MBYTE |
| 192 if (has_mbyte) | |
| 193 c = mb_ptr2char_adv(&p); | |
| 194 else | |
| 195 #endif | |
| 7 | 196 c = *p++; |
| 197 c2 = -1; | |
| 198 if (*p == '-' && p[1] != NUL) | |
| 199 { | |
| 200 ++p; | |
| 201 if (VIM_ISDIGIT(*p)) | |
| 202 c2 = getdigits(&p); | |
| 203 else | |
| 1979 | 204 #ifdef FEAT_MBYTE |
| 205 if (has_mbyte) | |
| 206 c2 = mb_ptr2char_adv(&p); | |
| 207 else | |
| 208 #endif | |
| 7 | 209 c2 = *p++; |
| 210 } | |
| 1979 | 211 if (c <= 0 || c >= 256 || (c2 < c && c2 != -1) || c2 >= 256 |
| 7 | 212 || !(*p == NUL || *p == ',')) |
| 213 return FAIL; | |
| 214 | |
| 215 if (c2 == -1) /* not a range */ | |
| 216 { | |
| 217 /* | |
| 218 * A single '@' (not "@-@"): | |
| 219 * Decide on letters being ID/printable/keyword chars with | |
| 220 * standard function isalpha(). This takes care of locale for | |
| 221 * single-byte characters). | |
| 222 */ | |
| 223 if (c == '@') | |
| 224 { | |
| 225 do_isalpha = TRUE; | |
| 226 c = 1; | |
| 227 c2 = 255; | |
| 228 } | |
| 229 else | |
| 230 c2 = c; | |
| 231 } | |
| 232 while (c <= c2) | |
| 233 { | |
| 1365 | 234 /* Use the MB_ functions here, because isalpha() doesn't |
| 235 * work properly when 'encoding' is "latin1" and the locale is | |
| 236 * "C". */ | |
| 237 if (!do_isalpha || MB_ISLOWER(c) || MB_ISUPPER(c) | |
| 7 | 238 #ifdef FEAT_FKMAP |
| 239 || (p_altkeymap && (F_isalpha(c) || F_isdigit(c))) | |
| 240 #endif | |
| 241 ) | |
| 242 { | |
| 243 if (i == 0) /* (re)set ID flag */ | |
| 244 { | |
| 245 if (tilde) | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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246 g_chartab[c] &= ~CT_ID_CHAR; |
| 7 | 247 else |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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248 g_chartab[c] |= CT_ID_CHAR; |
| 7 | 249 } |
| 250 else if (i == 1) /* (re)set printable */ | |
| 251 { | |
| 252 if ((c < ' ' | |
| 253 #ifndef EBCDIC | |
| 254 || c > '~' | |
| 255 #endif | |
| 256 #ifdef FEAT_FKMAP | |
| 257 || (p_altkeymap | |
| 258 && (F_isalpha(c) || F_isdigit(c))) | |
| 259 #endif | |
| 260 ) | |
| 261 #ifdef FEAT_MBYTE | |
| 262 /* For double-byte we keep the cell width, so | |
| 263 * that we can detect it from the first byte. */ | |
| 264 && !(enc_dbcs && MB_BYTE2LEN(c) == 2) | |
| 265 #endif | |
| 266 ) | |
| 267 { | |
| 268 if (tilde) | |
| 269 { | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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270 g_chartab[c] = (g_chartab[c] & ~CT_CELL_MASK) |
| 7 | 271 + ((dy_flags & DY_UHEX) ? 4 : 2); |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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272 g_chartab[c] &= ~CT_PRINT_CHAR; |
| 7 | 273 } |
| 274 else | |
| 275 { | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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276 g_chartab[c] = (g_chartab[c] & ~CT_CELL_MASK) + 1; |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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277 g_chartab[c] |= CT_PRINT_CHAR; |
| 7 | 278 } |
| 279 } | |
| 280 } | |
| 281 else if (i == 2) /* (re)set fname flag */ | |
| 282 { | |
| 283 if (tilde) | |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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284 g_chartab[c] &= ~CT_FNAME_CHAR; |
| 7 | 285 else |
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
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parents:
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changeset
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286 g_chartab[c] |= CT_FNAME_CHAR; |
| 7 | 287 } |
| 288 else /* i == 3 */ /* (re)set keyword flag */ | |
| 289 { | |
| 290 if (tilde) | |
| 291 RESET_CHARTAB(buf, c); | |
| 292 else | |
| 293 SET_CHARTAB(buf, c); | |
| 294 } | |
| 295 } | |
| 296 ++c; | |
| 297 } | |
| 4096 | 298 |
| 299 c = *p; | |
| 7 | 300 p = skip_to_option_part(p); |
| 4096 | 301 if (c == ',' && *p == NUL) |
| 302 /* Trailing comma is not allowed. */ | |
| 303 return FAIL; | |
| 7 | 304 } |
| 305 } | |
| 306 chartab_initialized = TRUE; | |
| 307 return OK; | |
| 308 } | |
| 309 | |
| 310 /* | |
| 311 * Translate any special characters in buf[bufsize] in-place. | |
| 312 * The result is a string with only printable characters, but if there is not | |
| 313 * enough room, not all characters will be translated. | |
| 314 */ | |
| 315 void | |
| 316 trans_characters(buf, bufsize) | |
| 317 char_u *buf; | |
| 318 int bufsize; | |
| 319 { | |
| 320 int len; /* length of string needing translation */ | |
| 321 int room; /* room in buffer after string */ | |
| 322 char_u *trs; /* translated character */ | |
| 323 int trs_len; /* length of trs[] */ | |
| 324 | |
| 325 len = (int)STRLEN(buf); | |
| 326 room = bufsize - len; | |
| 327 while (*buf != 0) | |
| 328 { | |
| 329 # ifdef FEAT_MBYTE | |
| 330 /* Assume a multi-byte character doesn't need translation. */ | |
| 474 | 331 if (has_mbyte && (trs_len = (*mb_ptr2len)(buf)) > 1) |
| 7 | 332 len -= trs_len; |
| 333 else | |
| 334 # endif | |
| 335 { | |
| 336 trs = transchar_byte(*buf); | |
| 337 trs_len = (int)STRLEN(trs); | |
| 338 if (trs_len > 1) | |
| 339 { | |
| 340 room -= trs_len - 1; | |
| 341 if (room <= 0) | |
| 342 return; | |
| 343 mch_memmove(buf + trs_len, buf + 1, (size_t)len); | |
| 344 } | |
| 345 mch_memmove(buf, trs, (size_t)trs_len); | |
| 346 --len; | |
| 347 } | |
| 348 buf += trs_len; | |
| 349 } | |
| 350 } | |
| 351 | |
| 1097 | 352 #if defined(FEAT_EVAL) || defined(FEAT_TITLE) || defined(FEAT_INS_EXPAND) \ |
| 353 || defined(PROTO) | |
| 7 | 354 /* |
| 355 * Translate a string into allocated memory, replacing special chars with | |
| 356 * printable chars. Returns NULL when out of memory. | |
| 357 */ | |
| 358 char_u * | |
| 359 transstr(s) | |
| 360 char_u *s; | |
| 361 { | |
| 362 char_u *res; | |
| 363 char_u *p; | |
| 364 #ifdef FEAT_MBYTE | |
| 365 int l, len, c; | |
| 366 char_u hexbuf[11]; | |
| 367 #endif | |
| 368 | |
| 369 #ifdef FEAT_MBYTE | |
| 370 if (has_mbyte) | |
| 371 { | |
| 372 /* Compute the length of the result, taking account of unprintable | |
| 373 * multi-byte characters. */ | |
| 374 len = 0; | |
| 375 p = s; | |
| 376 while (*p != NUL) | |
| 377 { | |
| 474 | 378 if ((l = (*mb_ptr2len)(p)) > 1) |
| 7 | 379 { |
| 380 c = (*mb_ptr2char)(p); | |
| 381 p += l; | |
| 382 if (vim_isprintc(c)) | |
| 383 len += l; | |
| 384 else | |
| 385 { | |
| 386 transchar_hex(hexbuf, c); | |
| 835 | 387 len += (int)STRLEN(hexbuf); |
| 7 | 388 } |
| 389 } | |
| 390 else | |
| 391 { | |
| 392 l = byte2cells(*p++); | |
| 393 if (l > 0) | |
| 394 len += l; | |
| 395 else | |
| 396 len += 4; /* illegal byte sequence */ | |
| 397 } | |
| 398 } | |
| 399 res = alloc((unsigned)(len + 1)); | |
| 400 } | |
| 401 else | |
| 402 #endif | |
| 403 res = alloc((unsigned)(vim_strsize(s) + 1)); | |
| 404 if (res != NULL) | |
| 405 { | |
| 406 *res = NUL; | |
| 407 p = s; | |
| 408 while (*p != NUL) | |
| 409 { | |
| 410 #ifdef FEAT_MBYTE | |
| 474 | 411 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) |
| 7 | 412 { |
| 413 c = (*mb_ptr2char)(p); | |
| 414 if (vim_isprintc(c)) | |
| 415 STRNCAT(res, p, l); /* append printable multi-byte char */ | |
| 416 else | |
| 417 transchar_hex(res + STRLEN(res), c); | |
| 418 p += l; | |
| 419 } | |
| 420 else | |
| 421 #endif | |
| 422 STRCAT(res, transchar_byte(*p++)); | |
| 423 } | |
| 424 } | |
| 425 return res; | |
| 426 } | |
| 427 #endif | |
| 428 | |
| 429 #if defined(FEAT_SYN_HL) || defined(FEAT_INS_EXPAND) || defined(PROTO) | |
| 430 /* | |
| 221 | 431 * Convert the string "str[orglen]" to do ignore-case comparing. Uses the |
| 432 * current locale. | |
| 130 | 433 * When "buf" is NULL returns an allocated string (NULL for out-of-memory). |
| 434 * Otherwise puts the result in "buf[buflen]". | |
| 7 | 435 */ |
| 436 char_u * | |
| 130 | 437 str_foldcase(str, orglen, buf, buflen) |
| 7 | 438 char_u *str; |
| 130 | 439 int orglen; |
| 440 char_u *buf; | |
| 441 int buflen; | |
| 7 | 442 { |
| 443 garray_T ga; | |
| 444 int i; | |
| 130 | 445 int len = orglen; |
| 7 | 446 |
| 447 #define GA_CHAR(i) ((char_u *)ga.ga_data)[i] | |
| 448 #define GA_PTR(i) ((char_u *)ga.ga_data + i) | |
| 130 | 449 #define STR_CHAR(i) (buf == NULL ? GA_CHAR(i) : buf[i]) |
| 450 #define STR_PTR(i) (buf == NULL ? GA_PTR(i) : buf + i) | |
| 7 | 451 |
| 130 | 452 /* Copy "str" into "buf" or allocated memory, unmodified. */ |
| 453 if (buf == NULL) | |
| 454 { | |
| 455 ga_init2(&ga, 1, 10); | |
| 456 if (ga_grow(&ga, len + 1) == FAIL) | |
| 457 return NULL; | |
| 458 mch_memmove(ga.ga_data, str, (size_t)len); | |
| 459 ga.ga_len = len; | |
| 460 } | |
| 461 else | |
| 462 { | |
| 463 if (len >= buflen) /* Ugly! */ | |
| 464 len = buflen - 1; | |
| 465 mch_memmove(buf, str, (size_t)len); | |
| 466 } | |
| 467 if (buf == NULL) | |
| 468 GA_CHAR(len) = NUL; | |
| 469 else | |
| 470 buf[len] = NUL; | |
| 7 | 471 |
| 472 /* Make each character lower case. */ | |
| 473 i = 0; | |
| 130 | 474 while (STR_CHAR(i) != NUL) |
| 7 | 475 { |
| 476 #ifdef FEAT_MBYTE | |
| 130 | 477 if (enc_utf8 || (has_mbyte && MB_BYTE2LEN(STR_CHAR(i)) > 1)) |
| 7 | 478 { |
| 479 if (enc_utf8) | |
| 480 { | |
| 1654 | 481 int c = utf_ptr2char(STR_PTR(i)); |
| 3263 | 482 int olen = utf_ptr2len(STR_PTR(i)); |
| 1654 | 483 int lc = utf_tolower(c); |
| 7 | 484 |
| 1654 | 485 /* Only replace the character when it is not an invalid |
| 486 * sequence (ASCII character or more than one byte) and | |
| 487 * utf_tolower() doesn't return the original character. */ | |
| 3263 | 488 if ((c < 0x80 || olen > 1) && c != lc) |
| 7 | 489 { |
| 3263 | 490 int nlen = utf_char2len(lc); |
| 7 | 491 |
| 492 /* If the byte length changes need to shift the following | |
| 493 * characters forward or backward. */ | |
| 3263 | 494 if (olen != nlen) |
| 7 | 495 { |
| 3263 | 496 if (nlen > olen) |
| 130 | 497 { |
| 3263 | 498 if (buf == NULL |
| 499 ? ga_grow(&ga, nlen - olen + 1) == FAIL | |
| 500 : len + nlen - olen >= buflen) | |
| 7 | 501 { |
| 502 /* out of memory, keep old char */ | |
| 503 lc = c; | |
| 3263 | 504 nlen = olen; |
| 7 | 505 } |
| 130 | 506 } |
| 3263 | 507 if (olen != nlen) |
| 7 | 508 { |
| 130 | 509 if (buf == NULL) |
| 510 { | |
| 3263 | 511 STRMOVE(GA_PTR(i) + nlen, GA_PTR(i) + olen); |
| 512 ga.ga_len += nlen - olen; | |
| 130 | 513 } |
| 514 else | |
| 515 { | |
| 3263 | 516 STRMOVE(buf + i + nlen, buf + i + olen); |
| 517 len += nlen - olen; | |
| 130 | 518 } |
| 7 | 519 } |
| 520 } | |
| 130 | 521 (void)utf_char2bytes(lc, STR_PTR(i)); |
| 7 | 522 } |
| 523 } | |
| 524 /* skip to next multi-byte char */ | |
| 474 | 525 i += (*mb_ptr2len)(STR_PTR(i)); |
| 7 | 526 } |
| 527 else | |
| 528 #endif | |
| 529 { | |
| 130 | 530 if (buf == NULL) |
| 531 GA_CHAR(i) = TOLOWER_LOC(GA_CHAR(i)); | |
| 532 else | |
| 533 buf[i] = TOLOWER_LOC(buf[i]); | |
| 7 | 534 ++i; |
| 535 } | |
| 536 } | |
| 537 | |
| 130 | 538 if (buf == NULL) |
| 539 return (char_u *)ga.ga_data; | |
| 540 return buf; | |
| 7 | 541 } |
| 542 #endif | |
| 543 | |
| 544 /* | |
|
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parents:
7447
diff
changeset
|
545 * Catch 22: g_chartab[] can't be initialized before the options are |
| 7 | 546 * initialized, and initializing options may cause transchar() to be called! |
|
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
Christian Brabandt <cb@256bit.org>
parents:
7447
diff
changeset
|
547 * When chartab_initialized == FALSE don't use g_chartab[]. |
| 7 | 548 * Does NOT work for multi-byte characters, c must be <= 255. |
| 549 * Also doesn't work for the first byte of a multi-byte, "c" must be a | |
| 550 * character! | |
| 551 */ | |
| 552 static char_u transchar_buf[7]; | |
| 553 | |
| 554 char_u * | |
| 555 transchar(c) | |
| 556 int c; | |
| 557 { | |
| 558 int i; | |
| 559 | |
| 560 i = 0; | |
| 561 if (IS_SPECIAL(c)) /* special key code, display as ~@ char */ | |
| 562 { | |
| 563 transchar_buf[0] = '~'; | |
| 564 transchar_buf[1] = '@'; | |
| 565 i = 2; | |
| 566 c = K_SECOND(c); | |
| 567 } | |
| 568 | |
| 569 if ((!chartab_initialized && ( | |
| 570 #ifdef EBCDIC | |
| 571 (c >= 64 && c < 255) | |
| 572 #else | |
| 573 (c >= ' ' && c <= '~') | |
| 574 #endif | |
| 575 #ifdef FEAT_FKMAP | |
| 576 || F_ischar(c) | |
| 577 #endif | |
| 578 )) || (c < 256 && vim_isprintc_strict(c))) | |
| 579 { | |
| 580 /* printable character */ | |
| 581 transchar_buf[i] = c; | |
| 582 transchar_buf[i + 1] = NUL; | |
| 583 } | |
| 584 else | |
| 585 transchar_nonprint(transchar_buf + i, c); | |
| 586 return transchar_buf; | |
| 587 } | |
| 588 | |
| 589 #if defined(FEAT_MBYTE) || defined(PROTO) | |
| 590 /* | |
| 591 * Like transchar(), but called with a byte instead of a character. Checks | |
| 592 * for an illegal UTF-8 byte. | |
| 593 */ | |
| 594 char_u * | |
| 595 transchar_byte(c) | |
| 596 int c; | |
| 597 { | |
| 598 if (enc_utf8 && c >= 0x80) | |
| 599 { | |
| 600 transchar_nonprint(transchar_buf, c); | |
| 601 return transchar_buf; | |
| 602 } | |
| 603 return transchar(c); | |
| 604 } | |
| 605 #endif | |
| 606 | |
| 607 /* | |
| 608 * Convert non-printable character to two or more printable characters in | |
| 609 * "buf[]". "buf" needs to be able to hold five bytes. | |
| 610 * Does NOT work for multi-byte characters, c must be <= 255. | |
| 611 */ | |
| 612 void | |
| 613 transchar_nonprint(buf, c) | |
| 614 char_u *buf; | |
| 615 int c; | |
| 616 { | |
| 617 if (c == NL) | |
| 618 c = NUL; /* we use newline in place of a NUL */ | |
| 619 else if (c == CAR && get_fileformat(curbuf) == EOL_MAC) | |
| 620 c = NL; /* we use CR in place of NL in this case */ | |
| 621 | |
| 622 if (dy_flags & DY_UHEX) /* 'display' has "uhex" */ | |
| 623 transchar_hex(buf, c); | |
| 624 | |
| 625 #ifdef EBCDIC | |
| 626 /* For EBCDIC only the characters 0-63 and 255 are not printable */ | |
| 627 else if (CtrlChar(c) != 0 || c == DEL) | |
| 628 #else | |
| 629 else if (c <= 0x7f) /* 0x00 - 0x1f and 0x7f */ | |
| 630 #endif | |
| 631 { | |
| 632 buf[0] = '^'; | |
| 633 #ifdef EBCDIC | |
| 634 if (c == DEL) | |
| 635 buf[1] = '?'; /* DEL displayed as ^? */ | |
| 636 else | |
| 637 buf[1] = CtrlChar(c); | |
| 638 #else | |
| 639 buf[1] = c ^ 0x40; /* DEL displayed as ^? */ | |
| 640 #endif | |
| 641 | |
| 642 buf[2] = NUL; | |
| 643 } | |
| 644 #ifdef FEAT_MBYTE | |
| 645 else if (enc_utf8 && c >= 0x80) | |
| 646 { | |
| 647 transchar_hex(buf, c); | |
| 648 } | |
| 649 #endif | |
| 650 #ifndef EBCDIC | |
| 651 else if (c >= ' ' + 0x80 && c <= '~' + 0x80) /* 0xa0 - 0xfe */ | |
| 652 { | |
| 653 buf[0] = '|'; | |
| 654 buf[1] = c - 0x80; | |
| 655 buf[2] = NUL; | |
| 656 } | |
| 657 #else | |
| 658 else if (c < 64) | |
| 659 { | |
| 660 buf[0] = '~'; | |
| 661 buf[1] = MetaChar(c); | |
| 662 buf[2] = NUL; | |
| 663 } | |
| 664 #endif | |
| 665 else /* 0x80 - 0x9f and 0xff */ | |
| 666 { | |
| 667 /* | |
| 668 * TODO: EBCDIC I don't know what to do with this chars, so I display | |
| 669 * them as '~?' for now | |
| 670 */ | |
| 671 buf[0] = '~'; | |
| 672 #ifdef EBCDIC | |
| 673 buf[1] = '?'; /* 0xff displayed as ~? */ | |
| 674 #else | |
| 675 buf[1] = (c - 0x80) ^ 0x40; /* 0xff displayed as ~? */ | |
| 676 #endif | |
| 677 buf[2] = NUL; | |
| 678 } | |
| 679 } | |
| 680 | |
| 681 void | |
| 682 transchar_hex(buf, c) | |
| 683 char_u *buf; | |
| 684 int c; | |
| 685 { | |
| 686 int i = 0; | |
| 687 | |
| 688 buf[0] = '<'; | |
| 689 #ifdef FEAT_MBYTE | |
| 690 if (c > 255) | |
| 691 { | |
| 692 buf[++i] = nr2hex((unsigned)c >> 12); | |
| 693 buf[++i] = nr2hex((unsigned)c >> 8); | |
| 694 } | |
| 695 #endif | |
| 696 buf[++i] = nr2hex((unsigned)c >> 4); | |
| 1869 | 697 buf[++i] = nr2hex((unsigned)c); |
| 7 | 698 buf[++i] = '>'; |
| 699 buf[++i] = NUL; | |
| 700 } | |
| 701 | |
| 702 /* | |
| 703 * Convert the lower 4 bits of byte "c" to its hex character. | |
| 704 * Lower case letters are used to avoid the confusion of <F1> being 0xf1 or | |
| 705 * function key 1. | |
| 706 */ | |
| 1869 | 707 static unsigned |
| 7 | 708 nr2hex(c) |
| 1869 | 709 unsigned c; |
| 7 | 710 { |
| 711 if ((c & 0xf) <= 9) | |
| 712 return (c & 0xf) + '0'; | |
| 713 return (c & 0xf) - 10 + 'a'; | |
| 714 } | |
| 715 | |
| 716 /* | |
| 717 * Return number of display cells occupied by byte "b". | |
| 718 * Caller must make sure 0 <= b <= 255. | |
| 719 * For multi-byte mode "b" must be the first byte of a character. | |
| 720 * A TAB is counted as two cells: "^I". | |
| 721 * For UTF-8 mode this will return 0 for bytes >= 0x80, because the number of | |
| 722 * cells depends on further bytes. | |
| 723 */ | |
| 724 int | |
| 725 byte2cells(b) | |
| 726 int b; | |
| 727 { | |
| 728 #ifdef FEAT_MBYTE | |
| 729 if (enc_utf8 && b >= 0x80) | |
| 730 return 0; | |
| 731 #endif | |
|
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
Christian Brabandt <cb@256bit.org>
parents:
7447
diff
changeset
|
732 return (g_chartab[b] & CT_CELL_MASK); |
| 7 | 733 } |
| 734 | |
| 735 /* | |
| 736 * Return number of display cells occupied by character "c". | |
| 737 * "c" can be a special key (negative number) in which case 3 or 4 is returned. | |
| 738 * A TAB is counted as two cells: "^I" or four: "<09>". | |
| 739 */ | |
| 740 int | |
| 741 char2cells(c) | |
| 742 int c; | |
| 743 { | |
| 744 if (IS_SPECIAL(c)) | |
| 745 return char2cells(K_SECOND(c)) + 2; | |
| 746 #ifdef FEAT_MBYTE | |
| 747 if (c >= 0x80) | |
| 748 { | |
| 749 /* UTF-8: above 0x80 need to check the value */ | |
| 750 if (enc_utf8) | |
| 751 return utf_char2cells(c); | |
| 752 /* DBCS: double-byte means double-width, except for euc-jp with first | |
| 753 * byte 0x8e */ | |
| 754 if (enc_dbcs != 0 && c >= 0x100) | |
| 755 { | |
| 756 if (enc_dbcs == DBCS_JPNU && ((unsigned)c >> 8) == 0x8e) | |
| 757 return 1; | |
| 758 return 2; | |
| 759 } | |
| 760 } | |
| 761 #endif | |
|
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
762 return (g_chartab[c & 0xff] & CT_CELL_MASK); |
| 7 | 763 } |
| 764 | |
| 765 /* | |
| 766 * Return number of display cells occupied by character at "*p". | |
| 767 * A TAB is counted as two cells: "^I" or four: "<09>". | |
| 768 */ | |
| 769 int | |
| 770 ptr2cells(p) | |
| 771 char_u *p; | |
| 772 { | |
| 773 #ifdef FEAT_MBYTE | |
| 774 /* For UTF-8 we need to look at more bytes if the first byte is >= 0x80. */ | |
| 775 if (enc_utf8 && *p >= 0x80) | |
| 776 return utf_ptr2cells(p); | |
| 777 /* For DBCS we can tell the cell count from the first byte. */ | |
| 778 #endif | |
|
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commit https://github.com/vim/vim/commit/88e8f9f14434a7cd538d0c159dc432bea869a5bd
Christian Brabandt <cb@256bit.org>
parents:
7447
diff
changeset
|
779 return (g_chartab[*p] & CT_CELL_MASK); |
| 7 | 780 } |
| 781 | |
| 782 /* | |
| 3292 | 783 * Return the number of character cells string "s" will take on the screen, |
| 7 | 784 * counting TABs as two characters: "^I". |
| 785 */ | |
| 786 int | |
| 787 vim_strsize(s) | |
| 788 char_u *s; | |
| 789 { | |
| 790 return vim_strnsize(s, (int)MAXCOL); | |
| 791 } | |
| 792 | |
| 793 /* | |
| 3292 | 794 * Return the number of character cells string "s[len]" will take on the |
| 795 * screen, counting TABs as two characters: "^I". | |
| 7 | 796 */ |
| 797 int | |
| 798 vim_strnsize(s, len) | |
| 799 char_u *s; | |
| 800 int len; | |
| 801 { | |
| 802 int size = 0; | |
| 803 | |
| 804 while (*s != NUL && --len >= 0) | |
| 805 { | |
| 806 #ifdef FEAT_MBYTE | |
| 807 if (has_mbyte) | |
| 808 { | |
| 474 | 809 int l = (*mb_ptr2len)(s); |
| 7 | 810 |
| 811 size += ptr2cells(s); | |
| 812 s += l; | |
| 813 len -= l - 1; | |
| 814 } | |
| 815 else | |
| 816 #endif | |
| 817 size += byte2cells(*s++); | |
| 818 } | |
| 819 return size; | |
| 820 } | |
| 821 | |
| 822 /* | |
| 823 * Return the number of characters 'c' will take on the screen, taking | |
| 824 * into account the size of a tab. | |
| 825 * Use a define to make it fast, this is used very often!!! | |
| 826 * Also see getvcol() below. | |
| 827 */ | |
| 828 | |
| 829 #define RET_WIN_BUF_CHARTABSIZE(wp, buf, p, col) \ | |
| 830 if (*(p) == TAB && (!(wp)->w_p_list || lcs_tab1)) \ | |
| 831 { \ | |
| 832 int ts; \ | |
| 833 ts = (buf)->b_p_ts; \ | |
| 834 return (int)(ts - (col % ts)); \ | |
| 835 } \ | |
| 836 else \ | |
| 837 return ptr2cells(p); | |
| 838 | |
| 839 #if defined(FEAT_VREPLACE) || defined(FEAT_EX_EXTRA) || defined(FEAT_GUI) \ | |
| 840 || defined(FEAT_VIRTUALEDIT) || defined(PROTO) | |
| 841 int | |
| 842 chartabsize(p, col) | |
| 843 char_u *p; | |
| 844 colnr_T col; | |
| 845 { | |
| 846 RET_WIN_BUF_CHARTABSIZE(curwin, curbuf, p, col) | |
| 847 } | |
| 848 #endif | |
| 849 | |
| 850 #ifdef FEAT_LINEBREAK | |
| 851 static int | |
| 852 win_chartabsize(wp, p, col) | |
| 853 win_T *wp; | |
| 854 char_u *p; | |
| 855 colnr_T col; | |
| 856 { | |
| 857 RET_WIN_BUF_CHARTABSIZE(wp, wp->w_buffer, p, col) | |
| 858 } | |
| 859 #endif | |
| 860 | |
| 861 /* | |
|
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diff
changeset
|
862 * Return the number of characters the string 's' will take on the screen, |
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863 * taking into account the size of a tab. |
| 7 | 864 */ |
| 865 int | |
| 866 linetabsize(s) | |
| 867 char_u *s; | |
| 868 { | |
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changeset
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869 return linetabsize_col(0, s); |
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870 } |
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871 |
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872 /* |
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873 * Like linetabsize(), but starting at column "startcol". |
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874 */ |
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875 int |
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|
876 linetabsize_col(startcol, s) |
|
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877 int startcol; |
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878 char_u *s; |
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879 { |
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880 colnr_T col = startcol; |
| 5995 | 881 char_u *line = s; /* pointer to start of line, for breakindent */ |
| 7 | 882 |
| 883 while (*s != NUL) | |
| 5995 | 884 col += lbr_chartabsize_adv(line, &s, col); |
| 7 | 885 return (int)col; |
| 886 } | |
| 887 | |
| 888 /* | |
| 889 * Like linetabsize(), but for a given window instead of the current one. | |
| 890 */ | |
| 891 int | |
| 5995 | 892 win_linetabsize(wp, line, len) |
| 7 | 893 win_T *wp; |
| 5995 | 894 char_u *line; |
| 7 | 895 colnr_T len; |
| 896 { | |
| 897 colnr_T col = 0; | |
| 898 char_u *s; | |
| 899 | |
| 5995 | 900 for (s = line; *s != NUL && (len == MAXCOL || s < line + len); |
| 901 mb_ptr_adv(s)) | |
| 902 col += win_lbr_chartabsize(wp, line, s, col, NULL); | |
| 7 | 903 return (int)col; |
| 904 } | |
| 905 | |
| 906 /* | |
| 42 | 907 * Return TRUE if 'c' is a normal identifier character: |
| 908 * Letters and characters from the 'isident' option. | |
| 7 | 909 */ |
| 910 int | |
| 911 vim_isIDc(c) | |
| 912 int c; | |
| 913 { | |
|
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changeset
|
914 return (c > 0 && c < 0x100 && (g_chartab[c] & CT_ID_CHAR)); |
| 7 | 915 } |
| 916 | |
| 917 /* | |
| 918 * return TRUE if 'c' is a keyword character: Letters and characters from | |
| 919 * 'iskeyword' option for current buffer. | |
| 920 * For multi-byte characters mb_get_class() is used (builtin rules). | |
| 921 */ | |
| 922 int | |
| 923 vim_iswordc(c) | |
| 924 int c; | |
| 925 { | |
| 4043 | 926 return vim_iswordc_buf(c, curbuf); |
| 927 } | |
| 928 | |
| 929 int | |
| 930 vim_iswordc_buf(c, buf) | |
| 931 int c; | |
| 932 buf_T *buf; | |
| 933 { | |
| 7 | 934 #ifdef FEAT_MBYTE |
| 935 if (c >= 0x100) | |
| 936 { | |
| 937 if (enc_dbcs != 0) | |
| 1869 | 938 return dbcs_class((unsigned)c >> 8, (unsigned)(c & 0xff)) >= 2; |
| 7 | 939 if (enc_utf8) |
| 940 return utf_class(c) >= 2; | |
| 941 } | |
| 942 #endif | |
| 4043 | 943 return (c > 0 && c < 0x100 && GET_CHARTAB(buf, c) != 0); |
| 7 | 944 } |
| 945 | |
| 946 /* | |
| 947 * Just like vim_iswordc() but uses a pointer to the (multi-byte) character. | |
| 948 */ | |
| 949 int | |
| 950 vim_iswordp(p) | |
| 951 char_u *p; | |
| 952 { | |
| 953 #ifdef FEAT_MBYTE | |
| 954 if (has_mbyte && MB_BYTE2LEN(*p) > 1) | |
| 955 return mb_get_class(p) >= 2; | |
| 956 #endif | |
| 957 return GET_CHARTAB(curbuf, *p) != 0; | |
| 958 } | |
| 959 | |
| 960 int | |
| 4043 | 961 vim_iswordp_buf(p, buf) |
| 7 | 962 char_u *p; |
| 963 buf_T *buf; | |
| 964 { | |
| 4080 | 965 #ifdef FEAT_MBYTE |
| 7 | 966 if (has_mbyte && MB_BYTE2LEN(*p) > 1) |
| 967 return mb_get_class(p) >= 2; | |
| 4080 | 968 #endif |
| 7 | 969 return (GET_CHARTAB(buf, *p) != 0); |
| 970 } | |
| 971 | |
| 972 /* | |
| 973 * return TRUE if 'c' is a valid file-name character | |
| 974 * Assume characters above 0x100 are valid (multi-byte). | |
| 975 */ | |
| 976 int | |
| 977 vim_isfilec(c) | |
| 978 int c; | |
| 979 { | |
|
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980 return (c >= 0x100 || (c > 0 && (g_chartab[c] & CT_FNAME_CHAR))); |
| 7 | 981 } |
| 982 | |
| 983 /* | |
| 1369 | 984 * return TRUE if 'c' is a valid file-name character or a wildcard character |
| 985 * Assume characters above 0x100 are valid (multi-byte). | |
| 986 * Explicitly interpret ']' as a wildcard character as mch_has_wildcard("]") | |
| 987 * returns false. | |
| 988 */ | |
| 989 int | |
| 990 vim_isfilec_or_wc(c) | |
| 991 int c; | |
| 992 { | |
| 993 char_u buf[2]; | |
| 994 | |
| 995 buf[0] = (char_u)c; | |
| 996 buf[1] = NUL; | |
| 997 return vim_isfilec(c) || c == ']' || mch_has_wildcard(buf); | |
| 998 } | |
| 999 | |
| 1000 /* | |
| 7 | 1001 * return TRUE if 'c' is a printable character |
| 1002 * Assume characters above 0x100 are printable (multi-byte), except for | |
| 1003 * Unicode. | |
| 1004 */ | |
| 1005 int | |
| 1006 vim_isprintc(c) | |
| 1007 int c; | |
| 1008 { | |
| 1009 #ifdef FEAT_MBYTE | |
| 1010 if (enc_utf8 && c >= 0x100) | |
| 1011 return utf_printable(c); | |
| 1012 #endif | |
|
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diff
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|
1013 return (c >= 0x100 || (c > 0 && (g_chartab[c] & CT_PRINT_CHAR))); |
| 7 | 1014 } |
| 1015 | |
| 1016 /* | |
| 1017 * Strict version of vim_isprintc(c), don't return TRUE if "c" is the head | |
| 1018 * byte of a double-byte character. | |
| 1019 */ | |
| 1020 int | |
| 1021 vim_isprintc_strict(c) | |
| 1022 int c; | |
| 1023 { | |
| 1024 #ifdef FEAT_MBYTE | |
| 1025 if (enc_dbcs != 0 && c < 0x100 && MB_BYTE2LEN(c) > 1) | |
| 1026 return FALSE; | |
| 1027 if (enc_utf8 && c >= 0x100) | |
| 1028 return utf_printable(c); | |
| 1029 #endif | |
|
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changeset
|
1030 return (c >= 0x100 || (c > 0 && (g_chartab[c] & CT_PRINT_CHAR))); |
| 7 | 1031 } |
| 1032 | |
| 1033 /* | |
| 1034 * like chartabsize(), but also check for line breaks on the screen | |
| 1035 */ | |
| 1036 int | |
| 5995 | 1037 lbr_chartabsize(line, s, col) |
| 6068 | 1038 char_u *line UNUSED; /* start of the line */ |
| 7 | 1039 unsigned char *s; |
| 1040 colnr_T col; | |
| 1041 { | |
| 1042 #ifdef FEAT_LINEBREAK | |
| 5995 | 1043 if (!curwin->w_p_lbr && *p_sbr == NUL && !curwin->w_p_bri) |
| 7 | 1044 { |
| 1045 #endif | |
| 1046 #ifdef FEAT_MBYTE | |
| 1047 if (curwin->w_p_wrap) | |
| 1048 return win_nolbr_chartabsize(curwin, s, col, NULL); | |
| 1049 #endif | |
| 1050 RET_WIN_BUF_CHARTABSIZE(curwin, curbuf, s, col) | |
| 1051 #ifdef FEAT_LINEBREAK | |
| 1052 } | |
| 5995 | 1053 return win_lbr_chartabsize(curwin, line == NULL ? s : line, s, col, NULL); |
| 7 | 1054 #endif |
| 1055 } | |
| 1056 | |
| 1057 /* | |
| 1058 * Call lbr_chartabsize() and advance the pointer. | |
| 1059 */ | |
| 1060 int | |
| 5995 | 1061 lbr_chartabsize_adv(line, s, col) |
| 1062 char_u *line; /* start of the line */ | |
| 7 | 1063 char_u **s; |
| 1064 colnr_T col; | |
| 1065 { | |
| 1066 int retval; | |
| 1067 | |
| 5995 | 1068 retval = lbr_chartabsize(line, *s, col); |
| 39 | 1069 mb_ptr_adv(*s); |
| 7 | 1070 return retval; |
| 1071 } | |
| 1072 | |
| 1073 /* | |
| 1074 * This function is used very often, keep it fast!!!! | |
| 1075 * | |
| 1076 * If "headp" not NULL, set *headp to the size of what we for 'showbreak' | |
| 1077 * string at start of line. Warning: *headp is only set if it's a non-zero | |
| 1078 * value, init to 0 before calling. | |
| 1079 */ | |
| 1080 int | |
| 5995 | 1081 win_lbr_chartabsize(wp, line, s, col, headp) |
| 7 | 1082 win_T *wp; |
| 6068 | 1083 char_u *line UNUSED; /* start of the line */ |
| 7 | 1084 char_u *s; |
| 1085 colnr_T col; | |
| 1876 | 1086 int *headp UNUSED; |
| 7 | 1087 { |
| 1088 #ifdef FEAT_LINEBREAK | |
| 1089 int c; | |
| 1090 int size; | |
| 1091 colnr_T col2; | |
| 6024 | 1092 colnr_T col_adj = 0; /* col + screen size of tab */ |
| 7 | 1093 colnr_T colmax; |
| 1094 int added; | |
| 1095 # ifdef FEAT_MBYTE | |
| 1096 int mb_added = 0; | |
| 1097 # else | |
| 1098 # define mb_added 0 | |
| 1099 # endif | |
| 1100 int numberextra; | |
| 1101 char_u *ps; | |
| 1102 int tab_corr = (*s == TAB); | |
| 236 | 1103 int n; |
| 7 | 1104 |
| 1105 /* | |
| 5995 | 1106 * No 'linebreak', 'showbreak' and 'breakindent': return quickly. |
| 7 | 1107 */ |
| 5995 | 1108 if (!wp->w_p_lbr && !wp->w_p_bri && *p_sbr == NUL) |
| 7 | 1109 #endif |
| 1110 { | |
| 1111 #ifdef FEAT_MBYTE | |
| 1112 if (wp->w_p_wrap) | |
| 1113 return win_nolbr_chartabsize(wp, s, col, headp); | |
| 1114 #endif | |
| 1115 RET_WIN_BUF_CHARTABSIZE(wp, wp->w_buffer, s, col) | |
| 1116 } | |
| 1117 | |
| 1118 #ifdef FEAT_LINEBREAK | |
| 1119 /* | |
| 1120 * First get normal size, without 'linebreak' | |
| 1121 */ | |
| 1122 size = win_chartabsize(wp, s, col); | |
| 1123 c = *s; | |
| 6024 | 1124 if (tab_corr) |
| 1125 col_adj = size - 1; | |
| 7 | 1126 |
| 1127 /* | |
| 1128 * If 'linebreak' set check at a blank before a non-blank if the line | |
| 1129 * needs a break here | |
| 1130 */ | |
| 1131 if (wp->w_p_lbr | |
| 1132 && vim_isbreak(c) | |
| 1133 && !vim_isbreak(s[1]) | |
| 1134 && wp->w_p_wrap | |
| 1135 # ifdef FEAT_VERTSPLIT | |
| 1136 && wp->w_width != 0 | |
| 1137 # endif | |
| 1138 ) | |
| 1139 { | |
| 1140 /* | |
| 1141 * Count all characters from first non-blank after a blank up to next | |
| 1142 * non-blank after a blank. | |
| 1143 */ | |
| 1144 numberextra = win_col_off(wp); | |
| 1145 col2 = col; | |
| 6024 | 1146 colmax = (colnr_T)(W_WIDTH(wp) - numberextra - col_adj); |
| 7 | 1147 if (col >= colmax) |
| 236 | 1148 { |
| 6024 | 1149 colmax += col_adj; |
| 1150 n = colmax + win_col_off2(wp); | |
| 236 | 1151 if (n > 0) |
| 6024 | 1152 colmax += (((col - colmax) / n) + 1) * n - col_adj; |
| 236 | 1153 } |
| 1154 | |
| 7 | 1155 for (;;) |
| 1156 { | |
| 1157 ps = s; | |
| 39 | 1158 mb_ptr_adv(s); |
| 7 | 1159 c = *s; |
| 1160 if (!(c != NUL | |
| 1161 && (vim_isbreak(c) | |
| 1162 || (!vim_isbreak(c) | |
| 1163 && (col2 == col || !vim_isbreak(*ps)))))) | |
| 1164 break; | |
| 1165 | |
| 1166 col2 += win_chartabsize(wp, s, col2); | |
| 1167 if (col2 >= colmax) /* doesn't fit */ | |
| 1168 { | |
| 6024 | 1169 size = colmax - col + col_adj; |
| 7 | 1170 tab_corr = FALSE; |
| 1171 break; | |
| 1172 } | |
| 1173 } | |
| 1174 } | |
| 1175 # ifdef FEAT_MBYTE | |
| 1176 else if (has_mbyte && size == 2 && MB_BYTE2LEN(*s) > 1 | |
| 1177 && wp->w_p_wrap && in_win_border(wp, col)) | |
| 1178 { | |
| 1179 ++size; /* Count the ">" in the last column. */ | |
| 1180 mb_added = 1; | |
| 1181 } | |
| 1182 # endif | |
| 1183 | |
| 1184 /* | |
| 5995 | 1185 * May have to add something for 'breakindent' and/or 'showbreak' |
| 1186 * string at start of line. | |
| 7 | 1187 * Set *headp to the size of what we add. |
| 1188 */ | |
| 1189 added = 0; | |
| 5995 | 1190 if ((*p_sbr != NUL || wp->w_p_bri) && wp->w_p_wrap && col != 0) |
| 7 | 1191 { |
| 6503 | 1192 colnr_T sbrlen = 0; |
| 1193 int numberwidth = win_col_off(wp); | |
| 1194 | |
| 1195 numberextra = numberwidth; | |
| 7 | 1196 col += numberextra + mb_added; |
| 1197 if (col >= (colnr_T)W_WIDTH(wp)) | |
| 1198 { | |
| 1199 col -= W_WIDTH(wp); | |
| 1200 numberextra = W_WIDTH(wp) - (numberextra - win_col_off2(wp)); | |
| 6503 | 1201 if (col >= numberextra && numberextra > 0) |
| 6312 | 1202 col %= numberextra; |
| 6288 | 1203 if (*p_sbr != NUL) |
| 1204 { | |
| 6503 | 1205 sbrlen = (colnr_T)MB_CHARLEN(p_sbr); |
| 6288 | 1206 if (col >= sbrlen) |
| 1207 col -= sbrlen; | |
| 1208 } | |
| 6503 | 1209 if (col >= numberextra && numberextra > 0) |
| 7 | 1210 col = col % numberextra; |
| 6503 | 1211 else if (col > 0 && numberextra > 0) |
| 1212 col += numberwidth - win_col_off2(wp); | |
| 1213 | |
| 1214 numberwidth -= win_col_off2(wp); | |
| 7 | 1215 } |
| 6503 | 1216 if (col == 0 || col + size + sbrlen > (colnr_T)W_WIDTH(wp)) |
| 7 | 1217 { |
| 5995 | 1218 added = 0; |
| 1219 if (*p_sbr != NUL) | |
| 6503 | 1220 { |
| 1221 if (size + sbrlen + numberwidth > (colnr_T)W_WIDTH(wp)) | |
| 1222 { | |
| 1223 /* calculate effective window width */ | |
| 1224 int width = (colnr_T)W_WIDTH(wp) - sbrlen - numberwidth; | |
| 1225 int prev_width = col ? ((colnr_T)W_WIDTH(wp) - (sbrlen + col)) : 0; | |
| 1226 if (width == 0) | |
| 1227 width = (colnr_T)W_WIDTH(wp); | |
| 1228 added += ((size - prev_width) / width) * vim_strsize(p_sbr); | |
| 1229 if ((size - prev_width) % width) | |
| 1230 /* wrapped, add another length of 'sbr' */ | |
| 1231 added += vim_strsize(p_sbr); | |
| 1232 } | |
| 1233 else | |
| 1234 added += vim_strsize(p_sbr); | |
| 1235 } | |
| 5995 | 1236 if (wp->w_p_bri) |
| 1237 added += get_breakindent_win(wp, line); | |
| 1238 | |
| 6160 | 1239 size += added; |
| 7 | 1240 if (col != 0) |
| 1241 added = 0; | |
| 1242 } | |
| 1243 } | |
| 1244 if (headp != NULL) | |
| 1245 *headp = added + mb_added; | |
| 1246 return size; | |
| 1247 #endif | |
| 1248 } | |
| 1249 | |
| 1250 #if defined(FEAT_MBYTE) || defined(PROTO) | |
| 1251 /* | |
| 1252 * Like win_lbr_chartabsize(), except that we know 'linebreak' is off and | |
| 1253 * 'wrap' is on. This means we need to check for a double-byte character that | |
| 1254 * doesn't fit at the end of the screen line. | |
| 1255 */ | |
| 1256 static int | |
| 1257 win_nolbr_chartabsize(wp, s, col, headp) | |
| 1258 win_T *wp; | |
| 1259 char_u *s; | |
| 1260 colnr_T col; | |
| 1261 int *headp; | |
| 1262 { | |
| 1263 int n; | |
| 1264 | |
| 1265 if (*s == TAB && (!wp->w_p_list || lcs_tab1)) | |
| 1266 { | |
| 1267 n = wp->w_buffer->b_p_ts; | |
| 1268 return (int)(n - (col % n)); | |
| 1269 } | |
| 1270 n = ptr2cells(s); | |
| 1271 /* Add one cell for a double-width character in the last column of the | |
| 1272 * window, displayed with a ">". */ | |
| 1273 if (n == 2 && MB_BYTE2LEN(*s) > 1 && in_win_border(wp, col)) | |
| 1274 { | |
| 1275 if (headp != NULL) | |
| 1276 *headp = 1; | |
| 1277 return 3; | |
| 1278 } | |
| 1279 return n; | |
| 1280 } | |
| 1281 | |
| 1282 /* | |
| 1283 * Return TRUE if virtual column "vcol" is in the rightmost column of window | |
| 1284 * "wp". | |
| 1285 */ | |
| 1286 int | |
| 1287 in_win_border(wp, vcol) | |
| 1288 win_T *wp; | |
| 1289 colnr_T vcol; | |
| 1290 { | |
| 1869 | 1291 int width1; /* width of first line (after line number) */ |
| 1292 int width2; /* width of further lines */ | |
| 7 | 1293 |
| 1294 #ifdef FEAT_VERTSPLIT | |
| 1295 if (wp->w_width == 0) /* there is no border */ | |
| 1296 return FALSE; | |
| 1297 #endif | |
| 1298 width1 = W_WIDTH(wp) - win_col_off(wp); | |
| 1869 | 1299 if ((int)vcol < width1 - 1) |
| 7 | 1300 return FALSE; |
| 1869 | 1301 if ((int)vcol == width1 - 1) |
| 7 | 1302 return TRUE; |
| 1303 width2 = width1 + win_col_off2(wp); | |
| 1970 | 1304 if (width2 <= 0) |
| 1305 return FALSE; | |
| 7 | 1306 return ((vcol - width1) % width2 == width2 - 1); |
| 1307 } | |
| 1308 #endif /* FEAT_MBYTE */ | |
| 1309 | |
| 1310 /* | |
| 1311 * Get virtual column number of pos. | |
| 1312 * start: on the first position of this character (TAB, ctrl) | |
| 1313 * cursor: where the cursor is on this character (first char, except for TAB) | |
| 1314 * end: on the last position of this character (TAB, ctrl) | |
| 1315 * | |
| 1316 * This is used very often, keep it fast! | |
| 1317 */ | |
| 1318 void | |
| 1319 getvcol(wp, pos, start, cursor, end) | |
| 1320 win_T *wp; | |
| 1321 pos_T *pos; | |
| 1322 colnr_T *start; | |
| 1323 colnr_T *cursor; | |
| 1324 colnr_T *end; | |
| 1325 { | |
| 1326 colnr_T vcol; | |
| 1327 char_u *ptr; /* points to current char */ | |
| 1328 char_u *posptr; /* points to char at pos->col */ | |
| 5995 | 1329 char_u *line; /* start of the line */ |
| 7 | 1330 int incr; |
| 1331 int head; | |
| 1332 int ts = wp->w_buffer->b_p_ts; | |
| 1333 int c; | |
| 1334 | |
| 1335 vcol = 0; | |
| 5995 | 1336 line = ptr = ml_get_buf(wp->w_buffer, pos->lnum, FALSE); |
|
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1337 if (pos->col == MAXCOL) |
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1338 posptr = NULL; /* continue until the NUL */ |
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1339 else |
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1340 posptr = ptr + pos->col; |
| 7 | 1341 |
| 1342 /* | |
| 1343 * This function is used very often, do some speed optimizations. | |
| 5995 | 1344 * When 'list', 'linebreak', 'showbreak' and 'breakindent' are not set |
| 1345 * use a simple loop. | |
| 7 | 1346 * Also use this when 'list' is set but tabs take their normal size. |
| 1347 */ | |
| 1348 if ((!wp->w_p_list || lcs_tab1 != NUL) | |
| 1349 #ifdef FEAT_LINEBREAK | |
| 5995 | 1350 && !wp->w_p_lbr && *p_sbr == NUL && !wp->w_p_bri |
| 7 | 1351 #endif |
| 1352 ) | |
| 1353 { | |
| 1354 #ifndef FEAT_MBYTE | |
| 1355 head = 0; | |
| 1356 #endif | |
| 1357 for (;;) | |
| 1358 { | |
| 1359 #ifdef FEAT_MBYTE | |
| 1360 head = 0; | |
| 1361 #endif | |
| 1362 c = *ptr; | |
| 1363 /* make sure we don't go past the end of the line */ | |
| 1364 if (c == NUL) | |
| 1365 { | |
| 1366 incr = 1; /* NUL at end of line only takes one column */ | |
| 1367 break; | |
| 1368 } | |
| 1369 /* A tab gets expanded, depending on the current column */ | |
| 1370 if (c == TAB) | |
| 1371 incr = ts - (vcol % ts); | |
| 1372 else | |
| 1373 { | |
| 1374 #ifdef FEAT_MBYTE | |
| 1375 if (has_mbyte) | |
| 1376 { | |
| 1377 /* For utf-8, if the byte is >= 0x80, need to look at | |
| 1378 * further bytes to find the cell width. */ | |
| 1379 if (enc_utf8 && c >= 0x80) | |
| 1380 incr = utf_ptr2cells(ptr); | |
| 1381 else | |
|
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1382 incr = g_chartab[c] & CT_CELL_MASK; |
| 7 | 1383 |
| 1384 /* If a double-cell char doesn't fit at the end of a line | |
| 1385 * it wraps to the next line, it's like this char is three | |
| 1386 * cells wide. */ | |
| 1546 | 1387 if (incr == 2 && wp->w_p_wrap && MB_BYTE2LEN(*ptr) > 1 |
| 1388 && in_win_border(wp, vcol)) | |
| 7 | 1389 { |
| 1390 ++incr; | |
| 1391 head = 1; | |
| 1392 } | |
| 1393 } | |
| 1394 else | |
| 1395 #endif | |
|
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1396 incr = g_chartab[c] & CT_CELL_MASK; |
| 7 | 1397 } |
| 1398 | |
|
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1399 if (posptr != NULL && ptr >= posptr) /* character at pos->col */ |
| 7 | 1400 break; |
| 1401 | |
| 1402 vcol += incr; | |
| 39 | 1403 mb_ptr_adv(ptr); |
| 7 | 1404 } |
| 1405 } | |
| 1406 else | |
| 1407 { | |
| 1408 for (;;) | |
| 1409 { | |
| 1410 /* A tab gets expanded, depending on the current column */ | |
| 1411 head = 0; | |
| 5995 | 1412 incr = win_lbr_chartabsize(wp, line, ptr, vcol, &head); |
| 7 | 1413 /* make sure we don't go past the end of the line */ |
| 1414 if (*ptr == NUL) | |
| 1415 { | |
| 1416 incr = 1; /* NUL at end of line only takes one column */ | |
| 1417 break; | |
| 1418 } | |
| 1419 | |
|
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|
1420 if (posptr != NULL && ptr >= posptr) /* character at pos->col */ |
| 7 | 1421 break; |
| 1422 | |
| 1423 vcol += incr; | |
| 39 | 1424 mb_ptr_adv(ptr); |
| 7 | 1425 } |
| 1426 } | |
| 1427 if (start != NULL) | |
| 1428 *start = vcol + head; | |
| 1429 if (end != NULL) | |
| 1430 *end = vcol + incr - 1; | |
| 1431 if (cursor != NULL) | |
| 1432 { | |
| 1433 if (*ptr == TAB | |
| 1434 && (State & NORMAL) | |
| 1435 && !wp->w_p_list | |
| 1436 && !virtual_active() | |
| 5735 | 1437 && !(VIsual_active && (*p_sel == 'e' || ltoreq(*pos, VIsual))) |
| 7 | 1438 ) |
| 1439 *cursor = vcol + incr - 1; /* cursor at end */ | |
| 1440 else | |
| 1441 *cursor = vcol + head; /* cursor at start */ | |
| 1442 } | |
| 1443 } | |
| 1444 | |
| 1445 /* | |
| 1446 * Get virtual cursor column in the current window, pretending 'list' is off. | |
| 1447 */ | |
| 1448 colnr_T | |
| 1449 getvcol_nolist(posp) | |
| 1450 pos_T *posp; | |
| 1451 { | |
| 1452 int list_save = curwin->w_p_list; | |
| 1453 colnr_T vcol; | |
| 1454 | |
| 1455 curwin->w_p_list = FALSE; | |
| 1456 getvcol(curwin, posp, NULL, &vcol, NULL); | |
| 1457 curwin->w_p_list = list_save; | |
| 1458 return vcol; | |
| 1459 } | |
| 1460 | |
| 1461 #if defined(FEAT_VIRTUALEDIT) || defined(PROTO) | |
| 1462 /* | |
| 1463 * Get virtual column in virtual mode. | |
| 1464 */ | |
| 1465 void | |
| 1466 getvvcol(wp, pos, start, cursor, end) | |
| 1467 win_T *wp; | |
| 1468 pos_T *pos; | |
| 1469 colnr_T *start; | |
| 1470 colnr_T *cursor; | |
| 1471 colnr_T *end; | |
| 1472 { | |
| 1473 colnr_T col; | |
| 1474 colnr_T coladd; | |
| 1475 colnr_T endadd; | |
| 1476 # ifdef FEAT_MBYTE | |
| 1477 char_u *ptr; | |
| 1478 # endif | |
| 1479 | |
| 1480 if (virtual_active()) | |
| 1481 { | |
| 1482 /* For virtual mode, only want one value */ | |
| 1483 getvcol(wp, pos, &col, NULL, NULL); | |
| 1484 | |
| 1485 coladd = pos->coladd; | |
| 1486 endadd = 0; | |
| 1487 # ifdef FEAT_MBYTE | |
| 1488 /* Cannot put the cursor on part of a wide character. */ | |
| 1489 ptr = ml_get_buf(wp->w_buffer, pos->lnum, FALSE); | |
| 1869 | 1490 if (pos->col < (colnr_T)STRLEN(ptr)) |
| 7 | 1491 { |
| 1492 int c = (*mb_ptr2char)(ptr + pos->col); | |
| 1493 | |
| 1494 if (c != TAB && vim_isprintc(c)) | |
| 1495 { | |
| 1869 | 1496 endadd = (colnr_T)(char2cells(c) - 1); |
| 557 | 1497 if (coladd > endadd) /* past end of line */ |
| 1498 endadd = 0; | |
| 7 | 1499 else |
| 1500 coladd = 0; | |
| 1501 } | |
| 1502 } | |
| 1503 # endif | |
| 1504 col += coladd; | |
| 1505 if (start != NULL) | |
| 1506 *start = col; | |
| 1507 if (cursor != NULL) | |
| 1508 *cursor = col; | |
| 1509 if (end != NULL) | |
| 1510 *end = col + endadd; | |
| 1511 } | |
| 1512 else | |
| 1513 getvcol(wp, pos, start, cursor, end); | |
| 1514 } | |
| 1515 #endif | |
| 1516 | |
| 1517 /* | |
| 1518 * Get the leftmost and rightmost virtual column of pos1 and pos2. | |
| 1519 * Used for Visual block mode. | |
| 1520 */ | |
| 1521 void | |
| 1522 getvcols(wp, pos1, pos2, left, right) | |
| 1523 win_T *wp; | |
| 1524 pos_T *pos1, *pos2; | |
| 1525 colnr_T *left, *right; | |
| 1526 { | |
| 1527 colnr_T from1, from2, to1, to2; | |
| 1528 | |
| 1529 if (ltp(pos1, pos2)) | |
| 1530 { | |
| 1531 getvvcol(wp, pos1, &from1, NULL, &to1); | |
| 1532 getvvcol(wp, pos2, &from2, NULL, &to2); | |
| 1533 } | |
| 1534 else | |
| 1535 { | |
| 1536 getvvcol(wp, pos2, &from1, NULL, &to1); | |
| 1537 getvvcol(wp, pos1, &from2, NULL, &to2); | |
| 1538 } | |
| 1539 if (from2 < from1) | |
| 1540 *left = from2; | |
| 1541 else | |
| 1542 *left = from1; | |
| 1543 if (to2 > to1) | |
| 1544 { | |
| 1545 if (*p_sel == 'e' && from2 - 1 >= to1) | |
| 1546 *right = from2 - 1; | |
| 1547 else | |
| 1548 *right = to2; | |
| 1549 } | |
| 1550 else | |
| 1551 *right = to1; | |
| 1552 } | |
| 1553 | |
| 1554 /* | |
| 1555 * skipwhite: skip over ' ' and '\t'. | |
| 1556 */ | |
| 1557 char_u * | |
| 1687 | 1558 skipwhite(q) |
| 1559 char_u *q; | |
| 7 | 1560 { |
| 1687 | 1561 char_u *p = q; |
| 1562 | |
| 7 | 1563 while (vim_iswhite(*p)) /* skip to next non-white */ |
| 1564 ++p; | |
| 1565 return p; | |
| 1566 } | |
| 1567 | |
| 1568 /* | |
| 293 | 1569 * skip over digits |
| 7 | 1570 */ |
| 1571 char_u * | |
| 1687 | 1572 skipdigits(q) |
| 1573 char_u *q; | |
| 7 | 1574 { |
| 1687 | 1575 char_u *p = q; |
| 1576 | |
| 7 | 1577 while (VIM_ISDIGIT(*p)) /* skip to next non-digit */ |
| 1578 ++p; | |
| 1579 return p; | |
| 1580 } | |
| 1581 | |
| 741 | 1582 #if defined(FEAT_SYN_HL) || defined(FEAT_SPELL) || defined(PROTO) |
| 301 | 1583 /* |
|
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1584 * skip over binary digits |
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1585 */ |
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1586 char_u * |
|
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1587 skipbin(q) |
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1588 char_u *q; |
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1589 { |
|
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1590 char_u *p = q; |
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1591 |
|
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1592 while (vim_isbdigit(*p)) /* skip to next non-digit */ |
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1593 ++p; |
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1594 return p; |
|
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1595 } |
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1596 |
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1597 /* |
| 301 | 1598 * skip over digits and hex characters |
| 1599 */ | |
| 1600 char_u * | |
| 1687 | 1601 skiphex(q) |
| 1602 char_u *q; | |
| 301 | 1603 { |
| 1687 | 1604 char_u *p = q; |
| 1605 | |
| 301 | 1606 while (vim_isxdigit(*p)) /* skip to next non-digit */ |
| 1607 ++p; | |
| 1608 return p; | |
| 1609 } | |
| 1610 #endif | |
| 1611 | |
| 293 | 1612 #if defined(FEAT_EX_EXTRA) || defined(PROTO) |
| 1613 /* | |
|
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1614 * skip to bin digit (or NUL after the string) |
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1615 */ |
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1616 char_u * |
|
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1617 skiptobin(q) |
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1618 char_u *q; |
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1619 { |
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1620 char_u *p = q; |
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1621 |
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1622 while (*p != NUL && !vim_isbdigit(*p)) /* skip to next digit */ |
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1623 ++p; |
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1624 return p; |
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1625 } |
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1626 |
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1627 /* |
| 293 | 1628 * skip to digit (or NUL after the string) |
| 1629 */ | |
| 1630 char_u * | |
| 1687 | 1631 skiptodigit(q) |
| 1632 char_u *q; | |
| 293 | 1633 { |
| 1687 | 1634 char_u *p = q; |
| 1635 | |
| 293 | 1636 while (*p != NUL && !VIM_ISDIGIT(*p)) /* skip to next digit */ |
| 1637 ++p; | |
| 1638 return p; | |
| 1639 } | |
| 1640 | |
| 1641 /* | |
| 1642 * skip to hex character (or NUL after the string) | |
| 1643 */ | |
| 1644 char_u * | |
| 1687 | 1645 skiptohex(q) |
| 1646 char_u *q; | |
| 293 | 1647 { |
| 1687 | 1648 char_u *p = q; |
| 1649 | |
| 293 | 1650 while (*p != NUL && !vim_isxdigit(*p)) /* skip to next digit */ |
| 1651 ++p; | |
| 1652 return p; | |
| 1653 } | |
| 1654 #endif | |
| 1655 | |
| 7 | 1656 /* |
| 1657 * Variant of isdigit() that can handle characters > 0x100. | |
| 1658 * We don't use isdigit() here, because on some systems it also considers | |
| 1659 * superscript 1 to be a digit. | |
| 1660 * Use the VIM_ISDIGIT() macro for simple arguments. | |
| 1661 */ | |
| 1662 int | |
| 1663 vim_isdigit(c) | |
| 1664 int c; | |
| 1665 { | |
| 1666 return (c >= '0' && c <= '9'); | |
| 1667 } | |
| 1668 | |
| 1669 /* | |
| 1670 * Variant of isxdigit() that can handle characters > 0x100. | |
| 1671 * We don't use isxdigit() here, because on some systems it also considers | |
| 1672 * superscript 1 to be a digit. | |
| 1673 */ | |
| 1674 int | |
| 1675 vim_isxdigit(c) | |
| 1676 int c; | |
| 1677 { | |
| 1678 return (c >= '0' && c <= '9') | |
| 1679 || (c >= 'a' && c <= 'f') | |
| 1680 || (c >= 'A' && c <= 'F'); | |
| 1681 } | |
| 1682 | |
|
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1683 /* |
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1684 * Corollary of vim_isdigit and vim_isxdigit() that can handle |
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1685 * characters > 0x100. |
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1686 */ |
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1687 int |
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1688 vim_isbdigit(c) |
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1689 int c; |
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1690 { |
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1691 return (c == '0' || c == '1'); |
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1692 } |
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1693 |
| 492 | 1694 #if defined(FEAT_MBYTE) || defined(PROTO) |
| 1695 /* | |
| 1696 * Vim's own character class functions. These exist because many library | |
| 1697 * islower()/toupper() etc. do not work properly: they crash when used with | |
| 1698 * invalid values or can't handle latin1 when the locale is C. | |
| 1699 * Speed is most important here. | |
| 1700 */ | |
| 1701 #define LATIN1LOWER 'l' | |
| 1702 #define LATIN1UPPER 'U' | |
| 1703 | |
| 497 | 1704 static char_u latin1flags[257] = " UUUUUUUUUUUUUUUUUUUUUUUUUU llllllllllllllllllllllllll UUUUUUUUUUUUUUUUUUUUUUU UUUUUUUllllllllllllllllllllllll llllllll"; |
| 3533 | 1705 static char_u latin1upper[257] = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`ABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~\x7f\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xf7\xd8\xd9\xda\xdb\xdc\xdd\xde\xff"; |
| 1706 static char_u latin1lower[257] = " !\"#$%&'()*+,-./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 | 1707 |
| 1708 int | |
| 1709 vim_islower(c) | |
| 1710 int c; | |
| 1711 { | |
| 1712 if (c <= '@') | |
| 1713 return FALSE; | |
| 1714 if (c >= 0x80) | |
| 1715 { | |
| 1716 if (enc_utf8) | |
| 1717 return utf_islower(c); | |
| 1718 if (c >= 0x100) | |
| 1719 { | |
| 1720 #ifdef HAVE_ISWLOWER | |
| 1721 if (has_mbyte) | |
| 1722 return iswlower(c); | |
| 1723 #endif | |
| 1724 /* islower() can't handle these chars and may crash */ | |
| 1725 return FALSE; | |
| 1726 } | |
| 1727 if (enc_latin1like) | |
| 1728 return (latin1flags[c] & LATIN1LOWER) == LATIN1LOWER; | |
| 1729 } | |
| 1730 return islower(c); | |
| 1731 } | |
| 1732 | |
| 1733 int | |
| 1734 vim_isupper(c) | |
| 1735 int c; | |
| 1736 { | |
| 1737 if (c <= '@') | |
| 1738 return FALSE; | |
| 1739 if (c >= 0x80) | |
| 1740 { | |
| 1741 if (enc_utf8) | |
| 1742 return utf_isupper(c); | |
| 1743 if (c >= 0x100) | |
| 1744 { | |
| 1745 #ifdef HAVE_ISWUPPER | |
| 1746 if (has_mbyte) | |
| 1747 return iswupper(c); | |
| 1748 #endif | |
| 1749 /* islower() can't handle these chars and may crash */ | |
| 1750 return FALSE; | |
| 1751 } | |
| 1752 if (enc_latin1like) | |
| 1753 return (latin1flags[c] & LATIN1UPPER) == LATIN1UPPER; | |
| 1754 } | |
| 1755 return isupper(c); | |
| 1756 } | |
| 1757 | |
| 1758 int | |
| 1759 vim_toupper(c) | |
| 1760 int c; | |
| 1761 { | |
| 1762 if (c <= '@') | |
| 1763 return c; | |
| 1764 if (c >= 0x80) | |
| 1765 { | |
| 1766 if (enc_utf8) | |
| 1767 return utf_toupper(c); | |
| 1768 if (c >= 0x100) | |
| 1769 { | |
| 1770 #ifdef HAVE_TOWUPPER | |
| 1771 if (has_mbyte) | |
| 1772 return towupper(c); | |
| 1773 #endif | |
| 1774 /* toupper() can't handle these chars and may crash */ | |
| 1775 return c; | |
| 1776 } | |
| 1777 if (enc_latin1like) | |
| 1778 return latin1upper[c]; | |
| 1779 } | |
| 1780 return TOUPPER_LOC(c); | |
| 1781 } | |
| 1782 | |
| 1783 int | |
| 1784 vim_tolower(c) | |
| 1785 int c; | |
| 1786 { | |
| 1787 if (c <= '@') | |
| 1788 return c; | |
| 1789 if (c >= 0x80) | |
| 1790 { | |
| 1791 if (enc_utf8) | |
| 1792 return utf_tolower(c); | |
| 1793 if (c >= 0x100) | |
| 1794 { | |
| 1795 #ifdef HAVE_TOWLOWER | |
| 1796 if (has_mbyte) | |
| 1797 return towlower(c); | |
| 1798 #endif | |
| 1799 /* tolower() can't handle these chars and may crash */ | |
| 1800 return c; | |
| 1801 } | |
| 1802 if (enc_latin1like) | |
| 1803 return latin1lower[c]; | |
| 1804 } | |
| 1805 return TOLOWER_LOC(c); | |
| 1806 } | |
| 1807 #endif | |
| 1808 | |
| 7 | 1809 /* |
| 1810 * skiptowhite: skip over text until ' ' or '\t' or NUL. | |
| 1811 */ | |
| 1812 char_u * | |
| 1813 skiptowhite(p) | |
| 1814 char_u *p; | |
| 1815 { | |
| 1816 while (*p != ' ' && *p != '\t' && *p != NUL) | |
| 1817 ++p; | |
| 1818 return p; | |
| 1819 } | |
| 1820 | |
| 1821 #if defined(FEAT_LISTCMDS) || defined(FEAT_SIGNS) || defined(FEAT_SNIFF) \ | |
| 1822 || defined(PROTO) | |
| 1823 /* | |
| 1824 * skiptowhite_esc: Like skiptowhite(), but also skip escaped chars | |
| 1825 */ | |
| 1826 char_u * | |
| 1827 skiptowhite_esc(p) | |
| 1828 char_u *p; | |
| 1829 { | |
| 1830 while (*p != ' ' && *p != '\t' && *p != NUL) | |
| 1831 { | |
| 1832 if ((*p == '\\' || *p == Ctrl_V) && *(p + 1) != NUL) | |
| 1833 ++p; | |
| 1834 ++p; | |
| 1835 } | |
| 1836 return p; | |
| 1837 } | |
| 1838 #endif | |
| 1839 | |
| 1840 /* | |
| 1841 * Getdigits: Get a number from a string and skip over it. | |
| 1842 * Note: the argument is a pointer to a char_u pointer! | |
| 1843 */ | |
| 1844 long | |
| 1845 getdigits(pp) | |
| 1846 char_u **pp; | |
| 1847 { | |
| 1848 char_u *p; | |
| 1849 long retval; | |
| 1850 | |
| 1851 p = *pp; | |
| 1852 retval = atol((char *)p); | |
| 1853 if (*p == '-') /* skip negative sign */ | |
| 1854 ++p; | |
| 1855 p = skipdigits(p); /* skip to next non-digit */ | |
| 1856 *pp = p; | |
| 1857 return retval; | |
| 1858 } | |
| 1859 | |
| 1860 /* | |
| 1861 * Return TRUE if "lbuf" is empty or only contains blanks. | |
| 1862 */ | |
| 1863 int | |
| 1864 vim_isblankline(lbuf) | |
| 1865 char_u *lbuf; | |
| 1866 { | |
| 1867 char_u *p; | |
| 1868 | |
| 1869 p = skipwhite(lbuf); | |
| 1870 return (*p == NUL || *p == '\r' || *p == '\n'); | |
| 1871 } | |
| 1872 | |
| 1873 /* | |
| 1874 * Convert a string into a long and/or unsigned long, taking care of | |
|
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1875 * hexadecimal, octal, and binary numbers. Accepts a '-' sign. |
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1876 * If "prep" is not NULL, returns a flag to indicate the type of the number: |
| 7 | 1877 * 0 decimal |
| 1878 * '0' octal | |
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1879 * 'B' bin |
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1880 * 'b' bin |
| 7 | 1881 * 'X' hex |
| 1882 * 'x' hex | |
| 1883 * If "len" is not NULL, the length of the number in characters is returned. | |
| 1884 * If "nptr" is not NULL, the signed result is returned in it. | |
| 1885 * If "unptr" is not NULL, the unsigned result is returned in it. | |
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1886 * If "what" contains STR2NR_BIN recognize binary numbers |
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1887 * If "what" contains STR2NR_OCT recognize octal numbers |
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1888 * If "what" contains STR2NR_HEX recognize hex numbers |
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1889 * If "what" contains STR2NR_FORCE always assume bin/oct/hex. |
| 6927 | 1890 * If maxlen > 0, check at a maximum maxlen chars |
| 7 | 1891 */ |
| 1892 void | |
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1893 vim_str2nr(start, prep, len, what, nptr, unptr, maxlen) |
| 7 | 1894 char_u *start; |
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1895 int *prep; /* return: type of number 0 = decimal, 'x' |
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1896 or 'X' is hex, '0' = octal, 'b' or 'B' |
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1897 is bin */ |
| 7 | 1898 int *len; /* return: detected length of number */ |
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1899 int what; /* what numbers to recognize */ |
| 7 | 1900 long *nptr; /* return: signed result */ |
| 1901 unsigned long *unptr; /* return: unsigned result */ | |
| 6927 | 1902 int maxlen; /* max length of string to check */ |
| 7 | 1903 { |
| 1904 char_u *ptr = start; | |
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1905 int pre = 0; /* default is decimal */ |
| 7 | 1906 int negative = FALSE; |
| 1907 unsigned long un = 0; | |
| 39 | 1908 int n; |
| 7 | 1909 |
| 1910 if (ptr[0] == '-') | |
| 1911 { | |
| 1912 negative = TRUE; | |
| 1913 ++ptr; | |
| 1914 } | |
| 1915 | |
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1916 /* Recognize hex, octal, and bin. */ |
| 6927 | 1917 if (ptr[0] == '0' && ptr[1] != '8' && ptr[1] != '9' |
| 1918 && (maxlen == 0 || maxlen > 1)) | |
| 7 | 1919 { |
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1920 pre = ptr[1]; |
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1921 if ((what & STR2NR_HEX) |
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1922 && (pre == 'X' || pre == 'x') && vim_isxdigit(ptr[2]) |
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1923 && (maxlen == 0 || maxlen > 2)) |
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1924 /* hexadecimal */ |
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1925 ptr += 2; |
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1926 else if ((what & STR2NR_BIN) |
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1927 && (pre == 'B' || pre == 'b') && vim_isbdigit(ptr[2]) |
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1928 && (maxlen == 0 || maxlen > 2)) |
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1929 /* binary */ |
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1930 ptr += 2; |
| 7 | 1931 else |
| 1932 { | |
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1933 /* decimal or octal, default is decimal */ |
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1934 pre = 0; |
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1935 if (what & STR2NR_OCT) |
| 39 | 1936 { |
| 1937 /* Don't interpret "0", "08" or "0129" as octal. */ | |
| 1938 for (n = 1; VIM_ISDIGIT(ptr[n]); ++n) | |
| 1939 { | |
| 1940 if (ptr[n] > '7') | |
| 1941 { | |
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1942 pre = 0; /* can't be octal */ |
| 39 | 1943 break; |
| 1944 } | |
| 3292 | 1945 if (ptr[n] >= '0') |
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1946 pre = '0'; /* assume octal */ |
| 6927 | 1947 if (n == maxlen) |
| 1948 break; | |
| 39 | 1949 } |
| 1950 } | |
| 7 | 1951 } |
| 1952 } | |
| 1953 | |
| 1954 /* | |
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1955 * Do the string-to-numeric conversion "manually" to avoid sscanf quirks. |
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1956 */ |
| 6927 | 1957 n = 1; |
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1958 if (pre == 'B' || pre == 'b' || what == STR2NR_BIN + STR2NR_FORCE) |
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1959 { |
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1960 /* bin */ |
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1961 if (pre != 0) |
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1962 n += 2; /* skip over "0b" */ |
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1963 while ('0' <= *ptr && *ptr <= '1') |
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1964 { |
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1965 un = 2 * un + (unsigned long)(*ptr - '0'); |
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1966 ++ptr; |
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1967 if (n++ == maxlen) |
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1968 break; |
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1969 } |
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commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
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1970 } |
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ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
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1971 else if (pre == '0' || what == STR2NR_OCT + STR2NR_FORCE) |
| 7 | 1972 { |
| 293 | 1973 /* octal */ |
| 1974 while ('0' <= *ptr && *ptr <= '7') | |
| 7 | 1975 { |
| 293 | 1976 un = 8 * un + (unsigned long)(*ptr - '0'); |
| 1977 ++ptr; | |
| 6927 | 1978 if (n++ == maxlen) |
| 1979 break; | |
| 7 | 1980 } |
| 293 | 1981 } |
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commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
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1982 else if (pre != 0 || what == STR2NR_HEX + STR2NR_FORCE) |
| 293 | 1983 { |
| 1984 /* hex */ | |
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commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
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1985 if (pre != 0) |
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commit https://github.com/vim/vim/commit/5adfea1ac63e252556bccce54e92e8e10b58f592
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1986 n += 2; /* skip over "0x" */ |
| 293 | 1987 while (vim_isxdigit(*ptr)) |
| 7 | 1988 { |
| 293 | 1989 un = 16 * un + (unsigned long)hex2nr(*ptr); |
| 1990 ++ptr; | |
| 6927 | 1991 if (n++ == maxlen) |
| 1992 break; | |
| 7 | 1993 } |
| 1994 } | |
| 1995 else | |
| 1996 { | |
| 1997 /* decimal */ | |
| 1998 while (VIM_ISDIGIT(*ptr)) | |
| 1999 { | |
| 2000 un = 10 * un + (unsigned long)(*ptr - '0'); | |
| 2001 ++ptr; | |
| 6927 | 2002 if (n++ == maxlen) |
| 2003 break; | |
| 7 | 2004 } |
| 2005 } | |
| 2006 | |
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ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2007 if (prep != NULL) |
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ad432f8f68fb
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Christian Brabandt <cb@256bit.org>
parents:
7072
diff
changeset
|
2008 *prep = pre; |
| 7 | 2009 if (len != NULL) |
| 2010 *len = (int)(ptr - start); | |
| 2011 if (nptr != NULL) | |
| 16 | 2012 { |
| 2013 if (negative) /* account for leading '-' for decimal numbers */ | |
| 2014 *nptr = -(long)un; | |
| 2015 else | |
| 2016 *nptr = (long)un; | |
| 2017 } | |
| 7 | 2018 if (unptr != NULL) |
| 2019 *unptr = un; | |
| 2020 } | |
| 2021 | |
| 2022 /* | |
| 2023 * Return the value of a single hex character. | |
| 2024 * Only valid when the argument is '0' - '9', 'A' - 'F' or 'a' - 'f'. | |
| 2025 */ | |
| 2026 int | |
| 2027 hex2nr(c) | |
| 2028 int c; | |
| 2029 { | |
| 2030 if (c >= 'a' && c <= 'f') | |
| 2031 return c - 'a' + 10; | |
| 2032 if (c >= 'A' && c <= 'F') | |
| 2033 return c - 'A' + 10; | |
| 2034 return c - '0'; | |
| 2035 } | |
| 2036 | |
| 2037 #if defined(FEAT_TERMRESPONSE) \ | |
| 2038 || (defined(FEAT_GUI_GTK) && defined(FEAT_WINDOWS)) || defined(PROTO) | |
| 2039 /* | |
| 2040 * Convert two hex characters to a byte. | |
| 2041 * Return -1 if one of the characters is not hex. | |
| 2042 */ | |
| 2043 int | |
| 2044 hexhex2nr(p) | |
| 2045 char_u *p; | |
| 2046 { | |
| 2047 if (!vim_isxdigit(p[0]) || !vim_isxdigit(p[1])) | |
| 2048 return -1; | |
| 2049 return (hex2nr(p[0]) << 4) + hex2nr(p[1]); | |
| 2050 } | |
| 2051 #endif | |
| 2052 | |
| 2053 /* | |
| 2054 * Return TRUE if "str" starts with a backslash that should be removed. | |
| 2055 * For MS-DOS, WIN32 and OS/2 this is only done when the character after the | |
| 2056 * backslash is not a normal file name character. | |
| 2057 * '$' is a valid file name character, we don't remove the backslash before | |
| 2058 * it. This means it is not possible to use an environment variable after a | |
| 2059 * backslash. "C:\$VIM\doc" is taken literally, only "$VIM\doc" works. | |
| 2060 * Although "\ name" is valid, the backslash in "Program\ files" must be | |
| 2061 * removed. Assume a file name doesn't start with a space. | |
| 2062 * For multi-byte names, never remove a backslash before a non-ascii | |
| 2063 * character, assume that all multi-byte characters are valid file name | |
| 2064 * characters. | |
| 2065 */ | |
| 2066 int | |
| 2067 rem_backslash(str) | |
| 2068 char_u *str; | |
| 2069 { | |
| 2070 #ifdef BACKSLASH_IN_FILENAME | |
| 2071 return (str[0] == '\\' | |
| 2072 # ifdef FEAT_MBYTE | |
| 2073 && str[1] < 0x80 | |
| 2074 # endif | |
| 2075 && (str[1] == ' ' | |
| 2076 || (str[1] != NUL | |
| 2077 && str[1] != '*' | |
| 2078 && str[1] != '?' | |
| 2079 && !vim_isfilec(str[1])))); | |
| 2080 #else | |
| 2081 return (str[0] == '\\' && str[1] != NUL); | |
| 2082 #endif | |
| 2083 } | |
| 2084 | |
| 2085 /* | |
| 2086 * Halve the number of backslashes in a file name argument. | |
| 2087 * For MS-DOS we only do this if the character after the backslash | |
| 2088 * is not a normal file character. | |
| 2089 */ | |
| 2090 void | |
| 2091 backslash_halve(p) | |
| 2092 char_u *p; | |
| 2093 { | |
| 2094 for ( ; *p; ++p) | |
| 2095 if (rem_backslash(p)) | |
| 1621 | 2096 STRMOVE(p, p + 1); |
| 7 | 2097 } |
| 2098 | |
| 2099 /* | |
| 2100 * backslash_halve() plus save the result in allocated memory. | |
| 2101 */ | |
| 2102 char_u * | |
| 2103 backslash_halve_save(p) | |
| 2104 char_u *p; | |
| 2105 { | |
| 2106 char_u *res; | |
| 2107 | |
| 2108 res = vim_strsave(p); | |
| 2109 if (res == NULL) | |
| 2110 return p; | |
| 2111 backslash_halve(res); | |
| 2112 return res; | |
| 2113 } | |
| 2114 | |
| 2115 #if (defined(EBCDIC) && defined(FEAT_POSTSCRIPT)) || defined(PROTO) | |
| 2116 /* | |
| 2117 * Table for EBCDIC to ASCII conversion unashamedly taken from xxd.c! | |
| 2118 * The first 64 entries have been added to map control characters defined in | |
| 2119 * ascii.h | |
| 2120 */ | |
| 2121 static char_u ebcdic2ascii_tab[256] = | |
| 2122 { | |
| 2123 0000, 0001, 0002, 0003, 0004, 0011, 0006, 0177, | |
| 2124 0010, 0011, 0012, 0013, 0014, 0015, 0016, 0017, | |
| 2125 0020, 0021, 0022, 0023, 0024, 0012, 0010, 0027, | |
| 2126 0030, 0031, 0032, 0033, 0033, 0035, 0036, 0037, | |
| 2127 0040, 0041, 0042, 0043, 0044, 0045, 0046, 0047, | |
| 2128 0050, 0051, 0052, 0053, 0054, 0055, 0056, 0057, | |
| 2129 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067, | |
| 2130 0070, 0071, 0072, 0073, 0074, 0075, 0076, 0077, | |
| 2131 0040, 0240, 0241, 0242, 0243, 0244, 0245, 0246, | |
| 2132 0247, 0250, 0325, 0056, 0074, 0050, 0053, 0174, | |
| 2133 0046, 0251, 0252, 0253, 0254, 0255, 0256, 0257, | |
| 2134 0260, 0261, 0041, 0044, 0052, 0051, 0073, 0176, | |
| 2135 0055, 0057, 0262, 0263, 0264, 0265, 0266, 0267, | |
| 2136 0270, 0271, 0313, 0054, 0045, 0137, 0076, 0077, | |
| 2137 0272, 0273, 0274, 0275, 0276, 0277, 0300, 0301, | |
| 2138 0302, 0140, 0072, 0043, 0100, 0047, 0075, 0042, | |
| 2139 0303, 0141, 0142, 0143, 0144, 0145, 0146, 0147, | |
| 2140 0150, 0151, 0304, 0305, 0306, 0307, 0310, 0311, | |
| 2141 0312, 0152, 0153, 0154, 0155, 0156, 0157, 0160, | |
| 2142 0161, 0162, 0136, 0314, 0315, 0316, 0317, 0320, | |
| 2143 0321, 0345, 0163, 0164, 0165, 0166, 0167, 0170, | |
| 2144 0171, 0172, 0322, 0323, 0324, 0133, 0326, 0327, | |
| 2145 0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337, | |
| 2146 0340, 0341, 0342, 0343, 0344, 0135, 0346, 0347, | |
| 2147 0173, 0101, 0102, 0103, 0104, 0105, 0106, 0107, | |
| 2148 0110, 0111, 0350, 0351, 0352, 0353, 0354, 0355, | |
| 2149 0175, 0112, 0113, 0114, 0115, 0116, 0117, 0120, | |
| 2150 0121, 0122, 0356, 0357, 0360, 0361, 0362, 0363, | |
| 2151 0134, 0237, 0123, 0124, 0125, 0126, 0127, 0130, | |
| 2152 0131, 0132, 0364, 0365, 0366, 0367, 0370, 0371, | |
| 2153 0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067, | |
| 2154 0070, 0071, 0372, 0373, 0374, 0375, 0376, 0377 | |
| 2155 }; | |
| 2156 | |
| 2157 /* | |
| 2158 * Convert a buffer worth of characters from EBCDIC to ASCII. Only useful if | |
| 2159 * wanting 7-bit ASCII characters out the other end. | |
| 2160 */ | |
| 2161 void | |
| 2162 ebcdic2ascii(buffer, len) | |
| 2163 char_u *buffer; | |
| 2164 int len; | |
| 2165 { | |
| 2166 int i; | |
| 2167 | |
| 2168 for (i = 0; i < len; i++) | |
| 2169 buffer[i] = ebcdic2ascii_tab[buffer[i]]; | |
| 2170 } | |
| 2171 #endif |