Annotation of mandoc/term_ascii.c, Revision 1.54
1.54 ! schwarze 1: /* $Id: term_ascii.c,v 1.53 2016/07/08 22:29:05 schwarze Exp $ */
1.1 kristaps 2: /*
1.18 schwarze 3: * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.44 schwarze 4: * Copyright (c) 2014, 2015 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: *
1.44 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.44 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1 kristaps 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:
1.39 schwarze 22: #include <assert.h>
1.31 schwarze 23: #if HAVE_WCHAR
1.28 schwarze 24: #include <locale.h>
1.15 kristaps 25: #endif
1.1 kristaps 26: #include <stdint.h>
27: #include <stdio.h>
28: #include <stdlib.h>
1.2 kristaps 29: #include <unistd.h>
1.31 schwarze 30: #if HAVE_WCHAR
1.28 schwarze 31: #include <wchar.h>
1.15 kristaps 32: #endif
1.1 kristaps 33:
1.11 kristaps 34: #include "mandoc.h"
1.22 schwarze 35: #include "mandoc_aux.h"
1.1 kristaps 36: #include "out.h"
37: #include "term.h"
1.44 schwarze 38: #include "manconf.h"
1.1 kristaps 39: #include "main.h"
40:
1.51 schwarze 41: static struct termp *ascii_init(enum termenc, const struct manoutput *);
1.45 schwarze 42: static int ascii_hspan(const struct termp *,
1.7 kristaps 43: const struct roffsu *);
1.13 kristaps 44: static size_t ascii_width(const struct termp *, int);
1.7 kristaps 45: static void ascii_advance(struct termp *, size_t);
46: static void ascii_begin(struct termp *);
47: static void ascii_end(struct termp *);
1.1 kristaps 48: static void ascii_endline(struct termp *);
1.13 kristaps 49: static void ascii_letter(struct termp *, int);
1.45 schwarze 50: static void ascii_setwidth(struct termp *, int, int);
1.1 kristaps 51:
1.31 schwarze 52: #if HAVE_WCHAR
1.15 kristaps 53: static void locale_advance(struct termp *, size_t);
54: static void locale_endline(struct termp *);
55: static void locale_letter(struct termp *, int);
56: static size_t locale_width(const struct termp *, int);
57: #endif
58:
1.25 schwarze 59:
1.14 kristaps 60: static struct termp *
1.51 schwarze 61: ascii_init(enum termenc enc, const struct manoutput *outopts)
1.1 kristaps 62: {
1.46 schwarze 63: #if HAVE_WCHAR
1.1 kristaps 64: char *v;
1.46 schwarze 65: #endif
1.14 kristaps 66: struct termp *p;
1.1 kristaps 67:
1.14 kristaps 68: p = mandoc_calloc(1, sizeof(struct termp));
1.1 kristaps 69:
1.47 schwarze 70: p->line = 1;
1.5 kristaps 71: p->tabwidth = 5;
1.23 schwarze 72: p->defrmargin = p->lastrmargin = 78;
1.41 schwarze 73: p->fontq = mandoc_reallocarray(NULL,
74: (p->fontsz = 8), sizeof(enum termfont));
75: p->fontq[0] = p->fontl = TERMFONT_NONE;
1.5 kristaps 76:
1.1 kristaps 77: p->begin = ascii_begin;
78: p->end = ascii_end;
1.15 kristaps 79: p->hspan = ascii_hspan;
80: p->type = TERMTYPE_CHAR;
81:
82: p->enc = TERMENC_ASCII;
83: p->advance = ascii_advance;
1.1 kristaps 84: p->endline = ascii_endline;
1.7 kristaps 85: p->letter = ascii_letter;
1.23 schwarze 86: p->setwidth = ascii_setwidth;
1.5 kristaps 87: p->width = ascii_width;
1.1 kristaps 88:
1.31 schwarze 89: #if HAVE_WCHAR
1.17 kristaps 90: if (TERMENC_ASCII != enc) {
1.52 schwarze 91:
92: /*
93: * Do not change any of this to LC_ALL. It might break
94: * the formatting by subtly changing the behaviour of
95: * various functions, for example strftime(3). As a
96: * worst case, it might even cause buffer overflows.
97: */
98:
1.17 kristaps 99: v = TERMENC_LOCALE == enc ?
1.52 schwarze 100: setlocale(LC_CTYPE, "") :
1.54 ! schwarze 101: setlocale(LC_CTYPE, UTF8_LOCALE);
1.17 kristaps 102: if (NULL != v && MB_CUR_MAX > 1) {
1.15 kristaps 103: p->enc = enc;
104: p->advance = locale_advance;
105: p->endline = locale_endline;
106: p->letter = locale_letter;
107: p->width = locale_width;
108: }
1.17 kristaps 109: }
1.15 kristaps 110: #endif
111:
1.44 schwarze 112: if (outopts->mdoc) {
113: p->mdocstyle = 1;
114: p->defindent = 5;
115: }
116: if (outopts->indent)
117: p->defindent = outopts->indent;
118: if (outopts->width)
119: p->defrmargin = outopts->width;
120: if (outopts->synopsisonly)
121: p->synopsisonly = 1;
1.1 kristaps 122:
1.49 schwarze 123: return p;
1.5 kristaps 124: }
125:
1.14 kristaps 126: void *
1.51 schwarze 127: ascii_alloc(const struct manoutput *outopts)
1.14 kristaps 128: {
129:
1.51 schwarze 130: return ascii_init(TERMENC_ASCII, outopts);
1.14 kristaps 131: }
1.17 kristaps 132:
133: void *
1.51 schwarze 134: utf8_alloc(const struct manoutput *outopts)
1.17 kristaps 135: {
136:
1.51 schwarze 137: return ascii_init(TERMENC_UTF8, outopts);
1.17 kristaps 138: }
139:
1.14 kristaps 140: void *
1.51 schwarze 141: locale_alloc(const struct manoutput *outopts)
1.14 kristaps 142: {
143:
1.51 schwarze 144: return ascii_init(TERMENC_LOCALE, outopts);
1.23 schwarze 145: }
146:
147: static void
1.45 schwarze 148: ascii_setwidth(struct termp *p, int iop, int width)
1.23 schwarze 149: {
150:
1.45 schwarze 151: width /= 24;
1.24 schwarze 152: p->rmargin = p->defrmargin;
1.40 schwarze 153: if (iop > 0)
1.24 schwarze 154: p->defrmargin += width;
1.40 schwarze 155: else if (iop == 0)
1.45 schwarze 156: p->defrmargin = width ? (size_t)width : p->lastrmargin;
157: else if (p->defrmargin > (size_t)width)
1.24 schwarze 158: p->defrmargin -= width;
159: else
1.40 schwarze 160: p->defrmargin = 0;
1.24 schwarze 161: p->lastrmargin = p->rmargin;
162: p->rmargin = p->maxrmargin = p->defrmargin;
1.42 schwarze 163: }
164:
165: void
1.53 schwarze 166: terminal_sepline(void *arg)
1.42 schwarze 167: {
168: struct termp *p;
169: size_t i;
170:
171: p = (struct termp *)arg;
1.53 schwarze 172: (*p->endline)(p);
1.42 schwarze 173: for (i = 0; i < p->defrmargin; i++)
1.53 schwarze 174: (*p->letter)(p, '-');
175: (*p->endline)(p);
176: (*p->endline)(p);
1.34 schwarze 177: }
178:
1.5 kristaps 179: static size_t
1.13 kristaps 180: ascii_width(const struct termp *p, int c)
1.5 kristaps 181: {
182:
1.49 schwarze 183: return 1;
1.1 kristaps 184: }
185:
186: void
187: ascii_free(void *arg)
188: {
189:
190: term_free((struct termp *)arg);
191: }
192:
193: static void
1.13 kristaps 194: ascii_letter(struct termp *p, int c)
1.1 kristaps 195: {
1.25 schwarze 196:
1.1 kristaps 197: putchar(c);
198: }
199:
200: static void
201: ascii_begin(struct termp *p)
202: {
203:
204: (*p->headf)(p, p->argf);
205: }
206:
207: static void
208: ascii_end(struct termp *p)
209: {
210:
211: (*p->footf)(p, p->argf);
212: }
213:
214: static void
215: ascii_endline(struct termp *p)
216: {
217:
1.47 schwarze 218: p->line++;
1.1 kristaps 219: putchar('\n');
220: }
221:
222: static void
223: ascii_advance(struct termp *p, size_t len)
224: {
1.25 schwarze 225: size_t i;
1.1 kristaps 226:
227: for (i = 0; i < len; i++)
228: putchar(' ');
229: }
1.7 kristaps 230:
1.45 schwarze 231: static int
1.7 kristaps 232: ascii_hspan(const struct termp *p, const struct roffsu *su)
233: {
234: double r;
235:
236: switch (su->unit) {
1.29 kristaps 237: case SCALE_BU:
1.45 schwarze 238: r = su->scale;
1.29 kristaps 239: break;
1.25 schwarze 240: case SCALE_CM:
1.45 schwarze 241: r = su->scale * 240.0 / 2.54;
1.29 kristaps 242: break;
243: case SCALE_FS:
1.45 schwarze 244: r = su->scale * 65536.0;
1.7 kristaps 245: break;
1.25 schwarze 246: case SCALE_IN:
1.45 schwarze 247: r = su->scale * 240.0;
1.7 kristaps 248: break;
1.29 kristaps 249: case SCALE_MM:
1.45 schwarze 250: r = su->scale * 0.24;
1.29 kristaps 251: break;
1.45 schwarze 252: case SCALE_VS:
1.25 schwarze 253: case SCALE_PC:
1.45 schwarze 254: r = su->scale * 40.0;
1.7 kristaps 255: break;
1.25 schwarze 256: case SCALE_PT:
1.45 schwarze 257: r = su->scale * 10.0 / 3.0;
1.7 kristaps 258: break;
1.29 kristaps 259: case SCALE_EN:
260: case SCALE_EM:
1.45 schwarze 261: r = su->scale * 24.0;
1.29 kristaps 262: break;
1.32 schwarze 263: default:
1.29 kristaps 264: abort();
1.7 kristaps 265: }
1.49 schwarze 266: return r > 0.0 ? r + 0.01 : r - 0.01;
1.36 schwarze 267: }
268:
269: const char *
270: ascii_uc2str(int uc)
271: {
272: static const char nbrsp[2] = { ASCII_NBRSP, '\0' };
273: static const char *tab[] = {
274: "<NUL>","<SOH>","<STX>","<ETX>","<EOT>","<ENQ>","<ACK>","<BEL>",
275: "<BS>", "\t", "<LF>", "<VT>", "<FF>", "<CR>", "<SO>", "<SI>",
276: "<DLE>","<DC1>","<DC2>","<DC3>","<DC4>","<NAK>","<SYN>","<ETB>",
277: "<CAN>","<EM>", "<SUB>","<ESC>","<FS>", "<GS>", "<RS>", "<US>",
278: " ", "!", "\"", "#", "$", "%", "&", "'",
279: "(", ")", "*", "+", ",", "-", ".", "/",
280: "0", "1", "2", "3", "4", "5", "6", "7",
281: "8", "9", ":", ";", "<", "=", ">", "?",
282: "@", "A", "B", "C", "D", "E", "F", "G",
283: "H", "I", "J", "K", "L", "M", "N", "O",
284: "P", "Q", "R", "S", "T", "U", "V", "W",
285: "X", "Y", "Z", "[", "\\", "]", "^", "_",
286: "`", "a", "b", "c", "d", "e", "f", "g",
287: "h", "i", "j", "k", "l", "m", "n", "o",
288: "p", "q", "r", "s", "t", "u", "v", "w",
289: "x", "y", "z", "{", "|", "}", "~", "<DEL>",
290: "<80>", "<81>", "<82>", "<83>", "<84>", "<85>", "<86>", "<87>",
291: "<88>", "<89>", "<8A>", "<8B>", "<8C>", "<8D>", "<8E>", "<8F>",
292: "<90>", "<91>", "<92>", "<93>", "<94>", "<95>", "<96>", "<97>",
293: "<99>", "<99>", "<9A>", "<9B>", "<9C>", "<9D>", "<9E>", "<9F>",
1.37 schwarze 294: nbrsp, "!", "/\bc", "GBP", "o\bx", "=\bY", "|", "<sec>",
295: "\"", "(C)", "_\ba", "<<", "~", "", "(R)", "-",
296: "<deg>","+-", "2", "3", "'", ",\bu", "<par>",".",
297: ",", "1", "_\bo", ">>", "1/4", "1/2", "3/4", "?",
298: "`\bA", "'\bA", "^\bA", "~\bA", "\"\bA","o\bA", "AE", ",\bC",
299: "`\bE", "'\bE", "^\bE", "\"\bE","`\bI", "'\bI", "^\bI", "\"\bI",
300: "-\bD", "~\bN", "`\bO", "'\bO", "^\bO", "~\bO", "\"\bO","x",
301: "/\bO", "`\bU", "'\bU", "^\bU", "\"\bU","'\bY", "Th", "ss",
302: "`\ba", "'\ba", "^\ba", "~\ba", "\"\ba","o\ba", "ae", ",\bc",
303: "`\be", "'\be", "^\be", "\"\be","`\bi", "'\bi", "^\bi", "\"\bi",
304: "d", "~\bn", "`\bo", "'\bo", "^\bo", "~\bo", "\"\bo","-:-",
305: "/\bo", "`\bu", "'\bu", "^\bu", "\"\bu","'\by", "th", "\"\by",
306: "A", "a", "A", "a", "A", "a", "'\bC", "'\bc",
307: "^\bC", "^\bc", "C", "c", "C", "c", "D", "d",
308: "/\bD", "/\bd", "E", "e", "E", "e", "E", "e",
309: "E", "e", "E", "e", "^\bG", "^\bg", "G", "g",
310: "G", "g", ",\bG", ",\bg", "^\bH", "^\bh", "/\bH", "/\bh",
311: "~\bI", "~\bi", "I", "i", "I", "i", "I", "i",
312: "I", "i", "IJ", "ij", "^\bJ", "^\bj", ",\bK", ",\bk",
313: "q", "'\bL", "'\bl", ",\bL", ",\bl", "L", "l", "L",
314: "l", "/\bL", "/\bl", "'\bN", "'\bn", ",\bN", ",\bn", "N",
1.36 schwarze 315: "n", "'n", "Ng", "ng", "O", "o", "O", "o",
1.37 schwarze 316: "O", "o", "OE", "oe", "'\bR", "'\br", ",\bR", ",\br",
317: "R", "r", "'\bS", "'\bs", "^\bS", "^\bs", ",\bS", ",\bs",
318: "S", "s", ",\bT", ",\bt", "T", "t", "/\bT", "/\bt",
319: "~\bU", "~\bu", "U", "u", "U", "u", "U", "u",
320: "U", "u", "U", "u", "^\bW", "^\bw", "^\bY", "^\by",
321: "\"\bY","'\bZ", "'\bz", "Z", "z", "Z", "z", "s",
1.36 schwarze 322: "b", "B", "B", "b", "6", "6", "O", "C",
323: "c", "D", "D", "D", "d", "d", "3", "@",
1.37 schwarze 324: "E", "F", ",\bf", "G", "G", "hv", "I", "/\bI",
325: "K", "k", "/\bl", "l", "W", "N", "n", "~\bO",
1.36 schwarze 326: "O", "o", "OI", "oi", "P", "p", "YR", "2",
327: "2", "SH", "sh", "t", "T", "t", "T", "U",
1.37 schwarze 328: "u", "Y", "V", "Y", "y", "/\bZ", "/\bz", "ZH",
329: "ZH", "zh", "zh", "/\b2", "5", "5", "ts", "w",
1.36 schwarze 330: "|", "||", "|=", "!", "DZ", "Dz", "dz", "LJ",
331: "Lj", "lj", "NJ", "Nj", "nj", "A", "a", "I",
332: "i", "O", "o", "U", "u", "U", "u", "U",
333: "u", "U", "u", "U", "u", "@", "A", "a",
1.37 schwarze 334: "A", "a", "AE", "ae", "/\bG", "/\bg", "G", "g",
1.36 schwarze 335: "K", "k", "O", "o", "O", "o", "ZH", "zh",
1.37 schwarze 336: "j", "DZ", "Dz", "dz", "'\bG", "'\bg", "HV", "W",
337: "`\bN", "`\bn", "A", "a", "'\bAE","'\bae","O", "o"};
1.36 schwarze 338:
1.39 schwarze 339: assert(uc >= 0);
1.36 schwarze 340: if ((size_t)uc < sizeof(tab)/sizeof(tab[0]))
1.49 schwarze 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;
1.49 schwarze 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:
1.47 schwarze 372: p->line++;
1.15 kristaps 373: putwchar(L'\n');
374: }
375:
376: static void
377: locale_letter(struct termp *p, int c)
378: {
1.25 schwarze 379:
1.15 kristaps 380: putwchar(c);
381: }
382: #endif
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