Annotation of mandoc/term_ascii.c, Revision 1.37
1.37 ! schwarze 1: /* $Id: term_ascii.c,v 1.36 2014/10/26 18:12:28 schwarze Exp $ */
1.1 kristaps 2: /*
1.18 schwarze 3: * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.23 schwarze 4: * Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18: #include "config.h"
19:
20: #include <sys/types.h>
21:
1.31 schwarze 22: #if HAVE_WCHAR
1.28 schwarze 23: #include <locale.h>
1.15 kristaps 24: #endif
1.1 kristaps 25: #include <stdint.h>
26: #include <stdio.h>
27: #include <stdlib.h>
1.2 kristaps 28: #include <unistd.h>
1.31 schwarze 29: #if HAVE_WCHAR
1.28 schwarze 30: #include <wchar.h>
1.15 kristaps 31: #endif
1.1 kristaps 32:
1.11 kristaps 33: #include "mandoc.h"
1.22 schwarze 34: #include "mandoc_aux.h"
1.1 kristaps 35: #include "out.h"
36: #include "term.h"
37: #include "main.h"
38:
1.14 kristaps 39: static struct termp *ascii_init(enum termenc, char *);
1.8 kristaps 40: static double ascii_hspan(const struct termp *,
1.7 kristaps 41: const struct roffsu *);
1.13 kristaps 42: static size_t ascii_width(const struct termp *, int);
1.7 kristaps 43: static void ascii_advance(struct termp *, size_t);
44: static void ascii_begin(struct termp *);
45: static void ascii_end(struct termp *);
1.1 kristaps 46: static void ascii_endline(struct termp *);
1.13 kristaps 47: static void ascii_letter(struct termp *, int);
1.24 schwarze 48: static void ascii_setwidth(struct termp *, int, size_t);
1.1 kristaps 49:
1.31 schwarze 50: #if HAVE_WCHAR
1.15 kristaps 51: static void locale_advance(struct termp *, size_t);
52: static void locale_endline(struct termp *);
53: static void locale_letter(struct termp *, int);
54: static size_t locale_width(const struct termp *, int);
55: #endif
56:
1.25 schwarze 57:
1.14 kristaps 58: static struct termp *
59: ascii_init(enum termenc enc, char *outopts)
1.1 kristaps 60: {
1.33 schwarze 61: const char *toks[5];
1.1 kristaps 62: char *v;
1.14 kristaps 63: struct termp *p;
1.1 kristaps 64:
1.14 kristaps 65: p = mandoc_calloc(1, sizeof(struct termp));
1.1 kristaps 66:
1.5 kristaps 67: p->tabwidth = 5;
1.23 schwarze 68: p->defrmargin = p->lastrmargin = 78;
1.5 kristaps 69:
1.1 kristaps 70: p->begin = ascii_begin;
71: p->end = ascii_end;
1.15 kristaps 72: p->hspan = ascii_hspan;
73: p->type = TERMTYPE_CHAR;
74:
75: p->enc = TERMENC_ASCII;
76: p->advance = ascii_advance;
1.1 kristaps 77: p->endline = ascii_endline;
1.7 kristaps 78: p->letter = ascii_letter;
1.23 schwarze 79: p->setwidth = ascii_setwidth;
1.5 kristaps 80: p->width = ascii_width;
1.1 kristaps 81:
1.31 schwarze 82: #if HAVE_WCHAR
1.17 kristaps 83: if (TERMENC_ASCII != enc) {
84: v = TERMENC_LOCALE == enc ?
1.25 schwarze 85: setlocale(LC_ALL, "") :
86: setlocale(LC_CTYPE, "en_US.UTF-8");
1.17 kristaps 87: if (NULL != v && MB_CUR_MAX > 1) {
1.15 kristaps 88: p->enc = enc;
89: p->advance = locale_advance;
90: p->endline = locale_endline;
91: p->letter = locale_letter;
92: p->width = locale_width;
93: }
1.17 kristaps 94: }
1.15 kristaps 95: #endif
96:
1.19 schwarze 97: toks[0] = "indent";
98: toks[1] = "width";
1.20 schwarze 99: toks[2] = "mdoc";
1.33 schwarze 100: toks[3] = "synopsis";
101: toks[4] = NULL;
1.1 kristaps 102:
103: while (outopts && *outopts)
104: switch (getsubopt(&outopts, UNCONST(toks), &v)) {
1.25 schwarze 105: case 0:
1.19 schwarze 106: p->defindent = (size_t)atoi(v);
107: break;
1.25 schwarze 108: case 1:
1.1 kristaps 109: p->defrmargin = (size_t)atoi(v);
1.20 schwarze 110: break;
1.25 schwarze 111: case 2:
1.20 schwarze 112: /*
113: * Temporary, undocumented mode
114: * to imitate mdoc(7) output style.
115: */
116: p->mdocstyle = 1;
117: p->defindent = 5;
1.33 schwarze 118: break;
119: case 3:
120: p->synopsisonly = 1;
1.1 kristaps 121: break;
122: default:
123: break;
124: }
125:
126: /* Enforce a lower boundary. */
127: if (p->defrmargin < 58)
128: p->defrmargin = 58;
129:
130: return(p);
1.5 kristaps 131: }
132:
1.14 kristaps 133: void *
134: ascii_alloc(char *outopts)
135: {
136:
137: return(ascii_init(TERMENC_ASCII, outopts));
138: }
1.17 kristaps 139:
140: void *
141: utf8_alloc(char *outopts)
142: {
143:
144: return(ascii_init(TERMENC_UTF8, outopts));
145: }
146:
1.14 kristaps 147: void *
148: locale_alloc(char *outopts)
149: {
150:
151: return(ascii_init(TERMENC_LOCALE, outopts));
1.23 schwarze 152: }
153:
154: static void
1.24 schwarze 155: ascii_setwidth(struct termp *p, int iop, size_t width)
1.23 schwarze 156: {
157:
1.24 schwarze 158: p->rmargin = p->defrmargin;
159: if (0 < iop)
160: p->defrmargin += width;
161: else if (0 > iop)
162: p->defrmargin -= width;
163: else
164: p->defrmargin = width ? width : p->lastrmargin;
165: p->lastrmargin = p->rmargin;
166: p->rmargin = p->maxrmargin = p->defrmargin;
1.34 schwarze 167: }
168:
1.5 kristaps 169: static size_t
1.13 kristaps 170: ascii_width(const struct termp *p, int c)
1.5 kristaps 171: {
172:
173: return(1);
1.1 kristaps 174: }
175:
176: void
177: ascii_free(void *arg)
178: {
179:
180: term_free((struct termp *)arg);
181: }
182:
183: static void
1.13 kristaps 184: ascii_letter(struct termp *p, int c)
1.1 kristaps 185: {
1.25 schwarze 186:
1.1 kristaps 187: putchar(c);
188: }
189:
190: static void
191: ascii_begin(struct termp *p)
192: {
193:
194: (*p->headf)(p, p->argf);
195: }
196:
197: static void
198: ascii_end(struct termp *p)
199: {
200:
201: (*p->footf)(p, p->argf);
202: }
203:
204: static void
205: ascii_endline(struct termp *p)
206: {
207:
208: putchar('\n');
209: }
210:
211: static void
212: ascii_advance(struct termp *p, size_t len)
213: {
1.25 schwarze 214: size_t i;
1.1 kristaps 215:
216: for (i = 0; i < len; i++)
217: putchar(' ');
218: }
1.7 kristaps 219:
1.8 kristaps 220: static double
1.7 kristaps 221: ascii_hspan(const struct termp *p, const struct roffsu *su)
222: {
223: double r;
224:
225: /*
1.29 kristaps 226: * Approximate based on character width.
227: * None of these will be actually correct given that an inch on
228: * the screen depends on character size, terminal, etc., etc.
1.7 kristaps 229: */
230: switch (su->unit) {
1.29 kristaps 231: case SCALE_BU:
232: r = su->scale * 10.0 / 240.0;
233: break;
1.25 schwarze 234: case SCALE_CM:
1.29 kristaps 235: r = su->scale * 10.0 / 2.54;
236: break;
237: case SCALE_FS:
238: r = su->scale * 2730.666;
1.7 kristaps 239: break;
1.25 schwarze 240: case SCALE_IN:
1.27 schwarze 241: r = su->scale * 10.0;
1.7 kristaps 242: break;
1.29 kristaps 243: case SCALE_MM:
244: r = su->scale / 100.0;
245: break;
1.25 schwarze 246: case SCALE_PC:
1.29 kristaps 247: r = su->scale * 10.0 / 6.0;
1.7 kristaps 248: break;
1.25 schwarze 249: case SCALE_PT:
1.29 kristaps 250: r = su->scale * 10.0 / 72.0;
1.7 kristaps 251: break;
1.25 schwarze 252: case SCALE_VS:
1.27 schwarze 253: r = su->scale * 2.0 - 1.0;
1.7 kristaps 254: break;
1.29 kristaps 255: case SCALE_EN:
1.30 schwarze 256: /* FALLTHROUGH */
1.29 kristaps 257: case SCALE_EM:
1.7 kristaps 258: r = su->scale;
1.29 kristaps 259: break;
1.32 schwarze 260: default:
1.29 kristaps 261: abort();
1.30 schwarze 262: /* NOTREACHED */
1.7 kristaps 263: }
264:
1.8 kristaps 265: return(r);
1.36 schwarze 266: }
267:
268: const char *
269: ascii_uc2str(int uc)
270: {
271: static const char nbrsp[2] = { ASCII_NBRSP, '\0' };
272: static const char *tab[] = {
273: "<NUL>","<SOH>","<STX>","<ETX>","<EOT>","<ENQ>","<ACK>","<BEL>",
274: "<BS>", "\t", "<LF>", "<VT>", "<FF>", "<CR>", "<SO>", "<SI>",
275: "<DLE>","<DC1>","<DC2>","<DC3>","<DC4>","<NAK>","<SYN>","<ETB>",
276: "<CAN>","<EM>", "<SUB>","<ESC>","<FS>", "<GS>", "<RS>", "<US>",
277: " ", "!", "\"", "#", "$", "%", "&", "'",
278: "(", ")", "*", "+", ",", "-", ".", "/",
279: "0", "1", "2", "3", "4", "5", "6", "7",
280: "8", "9", ":", ";", "<", "=", ">", "?",
281: "@", "A", "B", "C", "D", "E", "F", "G",
282: "H", "I", "J", "K", "L", "M", "N", "O",
283: "P", "Q", "R", "S", "T", "U", "V", "W",
284: "X", "Y", "Z", "[", "\\", "]", "^", "_",
285: "`", "a", "b", "c", "d", "e", "f", "g",
286: "h", "i", "j", "k", "l", "m", "n", "o",
287: "p", "q", "r", "s", "t", "u", "v", "w",
288: "x", "y", "z", "{", "|", "}", "~", "<DEL>",
289: "<80>", "<81>", "<82>", "<83>", "<84>", "<85>", "<86>", "<87>",
290: "<88>", "<89>", "<8A>", "<8B>", "<8C>", "<8D>", "<8E>", "<8F>",
291: "<90>", "<91>", "<92>", "<93>", "<94>", "<95>", "<96>", "<97>",
292: "<99>", "<99>", "<9A>", "<9B>", "<9C>", "<9D>", "<9E>", "<9F>",
1.37 ! schwarze 293: nbrsp, "!", "/\bc", "GBP", "o\bx", "=\bY", "|", "<sec>",
! 294: "\"", "(C)", "_\ba", "<<", "~", "", "(R)", "-",
! 295: "<deg>","+-", "2", "3", "'", ",\bu", "<par>",".",
! 296: ",", "1", "_\bo", ">>", "1/4", "1/2", "3/4", "?",
! 297: "`\bA", "'\bA", "^\bA", "~\bA", "\"\bA","o\bA", "AE", ",\bC",
! 298: "`\bE", "'\bE", "^\bE", "\"\bE","`\bI", "'\bI", "^\bI", "\"\bI",
! 299: "-\bD", "~\bN", "`\bO", "'\bO", "^\bO", "~\bO", "\"\bO","x",
! 300: "/\bO", "`\bU", "'\bU", "^\bU", "\"\bU","'\bY", "Th", "ss",
! 301: "`\ba", "'\ba", "^\ba", "~\ba", "\"\ba","o\ba", "ae", ",\bc",
! 302: "`\be", "'\be", "^\be", "\"\be","`\bi", "'\bi", "^\bi", "\"\bi",
! 303: "d", "~\bn", "`\bo", "'\bo", "^\bo", "~\bo", "\"\bo","-:-",
! 304: "/\bo", "`\bu", "'\bu", "^\bu", "\"\bu","'\by", "th", "\"\by",
! 305: "A", "a", "A", "a", "A", "a", "'\bC", "'\bc",
! 306: "^\bC", "^\bc", "C", "c", "C", "c", "D", "d",
! 307: "/\bD", "/\bd", "E", "e", "E", "e", "E", "e",
! 308: "E", "e", "E", "e", "^\bG", "^\bg", "G", "g",
! 309: "G", "g", ",\bG", ",\bg", "^\bH", "^\bh", "/\bH", "/\bh",
! 310: "~\bI", "~\bi", "I", "i", "I", "i", "I", "i",
! 311: "I", "i", "IJ", "ij", "^\bJ", "^\bj", ",\bK", ",\bk",
! 312: "q", "'\bL", "'\bl", ",\bL", ",\bl", "L", "l", "L",
! 313: "l", "/\bL", "/\bl", "'\bN", "'\bn", ",\bN", ",\bn", "N",
1.36 schwarze 314: "n", "'n", "Ng", "ng", "O", "o", "O", "o",
1.37 ! schwarze 315: "O", "o", "OE", "oe", "'\bR", "'\br", ",\bR", ",\br",
! 316: "R", "r", "'\bS", "'\bs", "^\bS", "^\bs", ",\bS", ",\bs",
! 317: "S", "s", ",\bT", ",\bt", "T", "t", "/\bT", "/\bt",
! 318: "~\bU", "~\bu", "U", "u", "U", "u", "U", "u",
! 319: "U", "u", "U", "u", "^\bW", "^\bw", "^\bY", "^\by",
! 320: "\"\bY","'\bZ", "'\bz", "Z", "z", "Z", "z", "s",
1.36 schwarze 321: "b", "B", "B", "b", "6", "6", "O", "C",
322: "c", "D", "D", "D", "d", "d", "3", "@",
1.37 ! schwarze 323: "E", "F", ",\bf", "G", "G", "hv", "I", "/\bI",
! 324: "K", "k", "/\bl", "l", "W", "N", "n", "~\bO",
1.36 schwarze 325: "O", "o", "OI", "oi", "P", "p", "YR", "2",
326: "2", "SH", "sh", "t", "T", "t", "T", "U",
1.37 ! schwarze 327: "u", "Y", "V", "Y", "y", "/\bZ", "/\bz", "ZH",
! 328: "ZH", "zh", "zh", "/\b2", "5", "5", "ts", "w",
1.36 schwarze 329: "|", "||", "|=", "!", "DZ", "Dz", "dz", "LJ",
330: "Lj", "lj", "NJ", "Nj", "nj", "A", "a", "I",
331: "i", "O", "o", "U", "u", "U", "u", "U",
332: "u", "U", "u", "U", "u", "@", "A", "a",
1.37 ! schwarze 333: "A", "a", "AE", "ae", "/\bG", "/\bg", "G", "g",
1.36 schwarze 334: "K", "k", "O", "o", "O", "o", "ZH", "zh",
1.37 ! schwarze 335: "j", "DZ", "Dz", "dz", "'\bG", "'\bg", "HV", "W",
! 336: "`\bN", "`\bn", "A", "a", "'\bAE","'\bae","O", "o"};
1.36 schwarze 337:
338: if (uc < 0)
339: return("<?>");
340: if ((size_t)uc < sizeof(tab)/sizeof(tab[0]))
341: return(tab[uc]);
342: return(mchars_uc2str(uc));
1.7 kristaps 343: }
344:
1.31 schwarze 345: #if HAVE_WCHAR
1.15 kristaps 346: static size_t
347: locale_width(const struct termp *p, int c)
348: {
349: int rc;
350:
1.26 schwarze 351: if (c == ASCII_NBRSP)
352: c = ' ';
353: rc = wcwidth(c);
354: if (rc < 0)
355: rc = 0;
356: return(rc);
1.15 kristaps 357: }
358:
359: static void
360: locale_advance(struct termp *p, size_t len)
361: {
1.25 schwarze 362: size_t i;
1.15 kristaps 363:
364: for (i = 0; i < len; i++)
365: putwchar(L' ');
366: }
367:
368: static void
369: locale_endline(struct termp *p)
370: {
371:
372: putwchar(L'\n');
373: }
374:
375: static void
376: locale_letter(struct termp *p, int c)
377: {
1.25 schwarze 378:
1.15 kristaps 379: putwchar(c);
380: }
381: #endif
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