Annotation of src/usr.bin/mandoc/term_ascii.c, Revision 1.34
1.34 ! schwarze 1: /* $OpenBSD: term_ascii.c,v 1.33 2015/07/17 22:35:36 schwarze Exp $ */
1.1 schwarze 2: /*
1.6 schwarze 3: * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.31 schwarze 4: * Copyright (c) 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
1.1 schwarze 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: *
1.31 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.31 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1 schwarze 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 <sys/types.h>
19:
1.26 schwarze 20: #include <assert.h>
1.6 schwarze 21: #include <locale.h>
1.1 schwarze 22: #include <stdint.h>
23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <unistd.h>
1.6 schwarze 26: #include <wchar.h>
1.1 schwarze 27:
1.4 schwarze 28: #include "mandoc.h"
1.11 schwarze 29: #include "mandoc_aux.h"
1.1 schwarze 30: #include "out.h"
31: #include "term.h"
1.31 schwarze 32: #include "manconf.h"
1.1 schwarze 33: #include "main.h"
34:
1.31 schwarze 35: static struct termp *ascii_init(enum termenc, const struct mchars *,
36: const struct manoutput *);
1.32 schwarze 37: static int ascii_hspan(const struct termp *,
1.3 schwarze 38: const struct roffsu *);
1.6 schwarze 39: static size_t ascii_width(const struct termp *, int);
1.3 schwarze 40: static void ascii_advance(struct termp *, size_t);
41: static void ascii_begin(struct termp *);
42: static void ascii_end(struct termp *);
1.1 schwarze 43: static void ascii_endline(struct termp *);
1.6 schwarze 44: static void ascii_letter(struct termp *, int);
1.32 schwarze 45: static void ascii_setwidth(struct termp *, int, int);
1.1 schwarze 46:
1.6 schwarze 47: static void locale_advance(struct termp *, size_t);
48: static void locale_endline(struct termp *);
49: static void locale_letter(struct termp *, int);
50: static size_t locale_width(const struct termp *, int);
1.1 schwarze 51:
1.14 schwarze 52:
1.6 schwarze 53: static struct termp *
1.31 schwarze 54: ascii_init(enum termenc enc, const struct mchars *mchars,
55: const struct manoutput *outopts)
1.1 schwarze 56: {
57: char *v;
1.6 schwarze 58: struct termp *p;
1.1 schwarze 59:
1.6 schwarze 60: p = mandoc_calloc(1, sizeof(struct termp));
1.1 schwarze 61:
1.25 schwarze 62: p->symtab = mchars;
1.33 schwarze 63: p->line = 1;
1.2 schwarze 64: p->tabwidth = 5;
1.12 schwarze 65: p->defrmargin = p->lastrmargin = 78;
1.28 schwarze 66: p->fontq = mandoc_reallocarray(NULL,
67: (p->fontsz = 8), sizeof(enum termfont));
68: p->fontq[0] = p->fontl = TERMFONT_NONE;
1.2 schwarze 69:
1.1 schwarze 70: p->begin = ascii_begin;
71: p->end = ascii_end;
1.6 schwarze 72: p->hspan = ascii_hspan;
73: p->type = TERMTYPE_CHAR;
74:
75: p->enc = TERMENC_ASCII;
76: p->advance = ascii_advance;
1.1 schwarze 77: p->endline = ascii_endline;
1.3 schwarze 78: p->letter = ascii_letter;
1.12 schwarze 79: p->setwidth = ascii_setwidth;
1.2 schwarze 80: p->width = ascii_width;
1.1 schwarze 81:
1.6 schwarze 82: if (TERMENC_ASCII != enc) {
83: v = TERMENC_LOCALE == enc ?
1.14 schwarze 84: setlocale(LC_ALL, "") :
85: setlocale(LC_CTYPE, "en_US.UTF-8");
1.6 schwarze 86: if (NULL != v && MB_CUR_MAX > 1) {
87: p->enc = enc;
88: p->advance = locale_advance;
89: p->endline = locale_endline;
90: p->letter = locale_letter;
91: p->width = locale_width;
92: }
93: }
94:
1.31 schwarze 95: if (outopts->mdoc) {
96: p->mdocstyle = 1;
97: p->defindent = 5;
98: }
99: if (outopts->indent)
100: p->defindent = outopts->indent;
101: if (outopts->width)
102: p->defrmargin = outopts->width;
103: if (outopts->synopsisonly)
104: p->synopsisonly = 1;
1.1 schwarze 105:
106: return(p);
1.2 schwarze 107: }
108:
1.6 schwarze 109: void *
1.31 schwarze 110: ascii_alloc(const struct mchars *mchars, const struct manoutput *outopts)
1.6 schwarze 111: {
112:
1.25 schwarze 113: return(ascii_init(TERMENC_ASCII, mchars, outopts));
1.6 schwarze 114: }
115:
116: void *
1.31 schwarze 117: utf8_alloc(const struct mchars *mchars, const struct manoutput *outopts)
1.6 schwarze 118: {
119:
1.25 schwarze 120: return(ascii_init(TERMENC_UTF8, mchars, outopts));
1.6 schwarze 121: }
122:
123: void *
1.31 schwarze 124: locale_alloc(const struct mchars *mchars, const struct manoutput *outopts)
1.6 schwarze 125: {
126:
1.25 schwarze 127: return(ascii_init(TERMENC_LOCALE, mchars, outopts));
1.12 schwarze 128: }
129:
130: static void
1.32 schwarze 131: ascii_setwidth(struct termp *p, int iop, int width)
1.12 schwarze 132: {
133:
1.32 schwarze 134: width /= 24;
1.13 schwarze 135: p->rmargin = p->defrmargin;
1.27 schwarze 136: if (iop > 0)
1.13 schwarze 137: p->defrmargin += width;
1.27 schwarze 138: else if (iop == 0)
1.32 schwarze 139: p->defrmargin = width ? (size_t)width : p->lastrmargin;
140: else if (p->defrmargin > (size_t)width)
1.13 schwarze 141: p->defrmargin -= width;
142: else
1.27 schwarze 143: p->defrmargin = 0;
1.13 schwarze 144: p->lastrmargin = p->rmargin;
145: p->rmargin = p->maxrmargin = p->defrmargin;
1.29 schwarze 146: }
147:
148: void
149: ascii_sepline(void *arg)
150: {
151: struct termp *p;
152: size_t i;
153:
154: p = (struct termp *)arg;
1.33 schwarze 155: p->line += 3;
1.29 schwarze 156: putchar('\n');
157: for (i = 0; i < p->defrmargin; i++)
158: putchar('-');
159: putchar('\n');
160: putchar('\n');
1.6 schwarze 161: }
1.2 schwarze 162:
163: static size_t
1.6 schwarze 164: ascii_width(const struct termp *p, int c)
1.2 schwarze 165: {
166:
167: return(1);
1.1 schwarze 168: }
169:
170: void
171: ascii_free(void *arg)
172: {
173:
174: term_free((struct termp *)arg);
175: }
176:
177: static void
1.6 schwarze 178: ascii_letter(struct termp *p, int c)
1.1 schwarze 179: {
1.14 schwarze 180:
1.1 schwarze 181: putchar(c);
182: }
183:
184: static void
185: ascii_begin(struct termp *p)
186: {
187:
188: (*p->headf)(p, p->argf);
189: }
190:
191: static void
192: ascii_end(struct termp *p)
193: {
194:
195: (*p->footf)(p, p->argf);
196: }
197:
198: static void
199: ascii_endline(struct termp *p)
200: {
201:
1.33 schwarze 202: p->line++;
1.1 schwarze 203: putchar('\n');
204: }
205:
206: static void
207: ascii_advance(struct termp *p, size_t len)
208: {
1.14 schwarze 209: size_t i;
1.1 schwarze 210:
211: for (i = 0; i < len; i++)
212: putchar(' ');
213: }
1.3 schwarze 214:
1.32 schwarze 215: static int
1.3 schwarze 216: ascii_hspan(const struct termp *p, const struct roffsu *su)
217: {
218: double r;
219:
220: switch (su->unit) {
1.17 schwarze 221: case SCALE_BU:
1.32 schwarze 222: r = su->scale;
1.17 schwarze 223: break;
1.14 schwarze 224: case SCALE_CM:
1.32 schwarze 225: r = su->scale * 240.0 / 2.54;
1.17 schwarze 226: break;
227: case SCALE_FS:
1.32 schwarze 228: r = su->scale * 65536.0;
1.3 schwarze 229: break;
1.14 schwarze 230: case SCALE_IN:
1.32 schwarze 231: r = su->scale * 240.0;
1.3 schwarze 232: break;
1.17 schwarze 233: case SCALE_MM:
1.32 schwarze 234: r = su->scale * 0.24;
1.17 schwarze 235: break;
1.32 schwarze 236: case SCALE_VS:
237: /* FALLTHROUGH */
1.14 schwarze 238: case SCALE_PC:
1.32 schwarze 239: r = su->scale * 40.0;
1.3 schwarze 240: break;
1.14 schwarze 241: case SCALE_PT:
1.32 schwarze 242: r = su->scale * 10.0 / 3.0;
1.3 schwarze 243: break;
1.17 schwarze 244: case SCALE_EN:
1.18 schwarze 245: /* FALLTHROUGH */
1.17 schwarze 246: case SCALE_EM:
1.32 schwarze 247: r = su->scale * 24.0;
1.17 schwarze 248: break;
1.20 schwarze 249: default:
1.17 schwarze 250: abort();
1.3 schwarze 251: }
1.32 schwarze 252: return(r > 0.0 ? r + 0.01 : r - 0.01);
1.22 schwarze 253: }
254:
255: const char *
256: ascii_uc2str(int uc)
257: {
258: static const char nbrsp[2] = { ASCII_NBRSP, '\0' };
259: static const char *tab[] = {
260: "<NUL>","<SOH>","<STX>","<ETX>","<EOT>","<ENQ>","<ACK>","<BEL>",
261: "<BS>", "\t", "<LF>", "<VT>", "<FF>", "<CR>", "<SO>", "<SI>",
262: "<DLE>","<DC1>","<DC2>","<DC3>","<DC4>","<NAK>","<SYN>","<ETB>",
263: "<CAN>","<EM>", "<SUB>","<ESC>","<FS>", "<GS>", "<RS>", "<US>",
264: " ", "!", "\"", "#", "$", "%", "&", "'",
265: "(", ")", "*", "+", ",", "-", ".", "/",
266: "0", "1", "2", "3", "4", "5", "6", "7",
267: "8", "9", ":", ";", "<", "=", ">", "?",
268: "@", "A", "B", "C", "D", "E", "F", "G",
269: "H", "I", "J", "K", "L", "M", "N", "O",
270: "P", "Q", "R", "S", "T", "U", "V", "W",
271: "X", "Y", "Z", "[", "\\", "]", "^", "_",
272: "`", "a", "b", "c", "d", "e", "f", "g",
273: "h", "i", "j", "k", "l", "m", "n", "o",
274: "p", "q", "r", "s", "t", "u", "v", "w",
275: "x", "y", "z", "{", "|", "}", "~", "<DEL>",
276: "<80>", "<81>", "<82>", "<83>", "<84>", "<85>", "<86>", "<87>",
277: "<88>", "<89>", "<8A>", "<8B>", "<8C>", "<8D>", "<8E>", "<8F>",
278: "<90>", "<91>", "<92>", "<93>", "<94>", "<95>", "<96>", "<97>",
279: "<99>", "<99>", "<9A>", "<9B>", "<9C>", "<9D>", "<9E>", "<9F>",
1.24 schwarze 280: nbrsp, "!", "/\bc", "GBP", "o\bx", "=\bY", "|", "<sec>",
281: "\"", "(C)", "_\ba", "<<", "~", "", "(R)", "-",
282: "<deg>","+-", "2", "3", "'", ",\bu", "<par>",".",
283: ",", "1", "_\bo", ">>", "1/4", "1/2", "3/4", "?",
284: "`\bA", "'\bA", "^\bA", "~\bA", "\"\bA","o\bA", "AE", ",\bC",
285: "`\bE", "'\bE", "^\bE", "\"\bE","`\bI", "'\bI", "^\bI", "\"\bI",
286: "-\bD", "~\bN", "`\bO", "'\bO", "^\bO", "~\bO", "\"\bO","x",
287: "/\bO", "`\bU", "'\bU", "^\bU", "\"\bU","'\bY", "Th", "ss",
288: "`\ba", "'\ba", "^\ba", "~\ba", "\"\ba","o\ba", "ae", ",\bc",
289: "`\be", "'\be", "^\be", "\"\be","`\bi", "'\bi", "^\bi", "\"\bi",
290: "d", "~\bn", "`\bo", "'\bo", "^\bo", "~\bo", "\"\bo","-:-",
291: "/\bo", "`\bu", "'\bu", "^\bu", "\"\bu","'\by", "th", "\"\by",
292: "A", "a", "A", "a", "A", "a", "'\bC", "'\bc",
293: "^\bC", "^\bc", "C", "c", "C", "c", "D", "d",
294: "/\bD", "/\bd", "E", "e", "E", "e", "E", "e",
295: "E", "e", "E", "e", "^\bG", "^\bg", "G", "g",
296: "G", "g", ",\bG", ",\bg", "^\bH", "^\bh", "/\bH", "/\bh",
297: "~\bI", "~\bi", "I", "i", "I", "i", "I", "i",
298: "I", "i", "IJ", "ij", "^\bJ", "^\bj", ",\bK", ",\bk",
299: "q", "'\bL", "'\bl", ",\bL", ",\bl", "L", "l", "L",
300: "l", "/\bL", "/\bl", "'\bN", "'\bn", ",\bN", ",\bn", "N",
1.22 schwarze 301: "n", "'n", "Ng", "ng", "O", "o", "O", "o",
1.24 schwarze 302: "O", "o", "OE", "oe", "'\bR", "'\br", ",\bR", ",\br",
303: "R", "r", "'\bS", "'\bs", "^\bS", "^\bs", ",\bS", ",\bs",
304: "S", "s", ",\bT", ",\bt", "T", "t", "/\bT", "/\bt",
305: "~\bU", "~\bu", "U", "u", "U", "u", "U", "u",
306: "U", "u", "U", "u", "^\bW", "^\bw", "^\bY", "^\by",
307: "\"\bY","'\bZ", "'\bz", "Z", "z", "Z", "z", "s",
1.22 schwarze 308: "b", "B", "B", "b", "6", "6", "O", "C",
309: "c", "D", "D", "D", "d", "d", "3", "@",
1.24 schwarze 310: "E", "F", ",\bf", "G", "G", "hv", "I", "/\bI",
311: "K", "k", "/\bl", "l", "W", "N", "n", "~\bO",
1.22 schwarze 312: "O", "o", "OI", "oi", "P", "p", "YR", "2",
313: "2", "SH", "sh", "t", "T", "t", "T", "U",
1.24 schwarze 314: "u", "Y", "V", "Y", "y", "/\bZ", "/\bz", "ZH",
315: "ZH", "zh", "zh", "/\b2", "5", "5", "ts", "w",
1.22 schwarze 316: "|", "||", "|=", "!", "DZ", "Dz", "dz", "LJ",
317: "Lj", "lj", "NJ", "Nj", "nj", "A", "a", "I",
318: "i", "O", "o", "U", "u", "U", "u", "U",
319: "u", "U", "u", "U", "u", "@", "A", "a",
1.24 schwarze 320: "A", "a", "AE", "ae", "/\bG", "/\bg", "G", "g",
1.22 schwarze 321: "K", "k", "O", "o", "O", "o", "ZH", "zh",
1.24 schwarze 322: "j", "DZ", "Dz", "dz", "'\bG", "'\bg", "HV", "W",
323: "`\bN", "`\bn", "A", "a", "'\bAE","'\bae","O", "o"};
1.22 schwarze 324:
1.26 schwarze 325: assert(uc >= 0);
1.23 schwarze 326: if ((size_t)uc < sizeof(tab)/sizeof(tab[0]))
327: return(tab[uc]);
328: return(mchars_uc2str(uc));
1.3 schwarze 329: }
330:
1.6 schwarze 331: static size_t
332: locale_width(const struct termp *p, int c)
333: {
334: int rc;
335:
1.15 schwarze 336: if (c == ASCII_NBRSP)
337: c = ' ';
338: rc = wcwidth(c);
339: if (rc < 0)
340: rc = 0;
341: return(rc);
1.6 schwarze 342: }
343:
344: static void
345: locale_advance(struct termp *p, size_t len)
346: {
1.14 schwarze 347: size_t i;
1.6 schwarze 348:
349: for (i = 0; i < len; i++)
350: putwchar(L' ');
351: }
352:
353: static void
354: locale_endline(struct termp *p)
355: {
356:
1.33 schwarze 357: p->line++;
1.6 schwarze 358: putwchar(L'\n');
359: }
360:
361: static void
362: locale_letter(struct termp *p, int c)
363: {
1.14 schwarze 364:
1.6 schwarze 365: putwchar(c);
366: }
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