Annotation of src/usr.bin/mandoc/term_ascii.c, Revision 1.32
1.32 ! schwarze 1: /* $OpenBSD: term_ascii.c,v 1.31 2015/03/27 21:17:16 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;
1.2 schwarze 63: p->tabwidth = 5;
1.12 schwarze 64: p->defrmargin = p->lastrmargin = 78;
1.28 schwarze 65: p->fontq = mandoc_reallocarray(NULL,
66: (p->fontsz = 8), sizeof(enum termfont));
67: p->fontq[0] = p->fontl = TERMFONT_NONE;
1.2 schwarze 68:
1.1 schwarze 69: p->begin = ascii_begin;
70: p->end = ascii_end;
1.6 schwarze 71: p->hspan = ascii_hspan;
72: p->type = TERMTYPE_CHAR;
73:
74: p->enc = TERMENC_ASCII;
75: p->advance = ascii_advance;
1.1 schwarze 76: p->endline = ascii_endline;
1.3 schwarze 77: p->letter = ascii_letter;
1.12 schwarze 78: p->setwidth = ascii_setwidth;
1.2 schwarze 79: p->width = ascii_width;
1.1 schwarze 80:
1.6 schwarze 81: if (TERMENC_ASCII != enc) {
82: v = TERMENC_LOCALE == enc ?
1.14 schwarze 83: setlocale(LC_ALL, "") :
84: setlocale(LC_CTYPE, "en_US.UTF-8");
1.6 schwarze 85: if (NULL != v && MB_CUR_MAX > 1) {
86: p->enc = enc;
87: p->advance = locale_advance;
88: p->endline = locale_endline;
89: p->letter = locale_letter;
90: p->width = locale_width;
91: }
92: }
93:
1.31 schwarze 94: if (outopts->mdoc) {
95: p->mdocstyle = 1;
96: p->defindent = 5;
97: }
98: if (outopts->indent)
99: p->defindent = outopts->indent;
100: if (outopts->width)
101: p->defrmargin = outopts->width;
102: if (outopts->synopsisonly)
103: p->synopsisonly = 1;
1.1 schwarze 104:
105: return(p);
1.2 schwarze 106: }
107:
1.6 schwarze 108: void *
1.31 schwarze 109: ascii_alloc(const struct mchars *mchars, const struct manoutput *outopts)
1.6 schwarze 110: {
111:
1.25 schwarze 112: return(ascii_init(TERMENC_ASCII, mchars, outopts));
1.6 schwarze 113: }
114:
115: void *
1.31 schwarze 116: utf8_alloc(const struct mchars *mchars, const struct manoutput *outopts)
1.6 schwarze 117: {
118:
1.25 schwarze 119: return(ascii_init(TERMENC_UTF8, mchars, outopts));
1.6 schwarze 120: }
121:
122: void *
1.31 schwarze 123: locale_alloc(const struct mchars *mchars, const struct manoutput *outopts)
1.6 schwarze 124: {
125:
1.25 schwarze 126: return(ascii_init(TERMENC_LOCALE, mchars, outopts));
1.12 schwarze 127: }
128:
129: static void
1.32 ! schwarze 130: ascii_setwidth(struct termp *p, int iop, int width)
1.12 schwarze 131: {
132:
1.32 ! schwarze 133: width /= 24;
1.13 schwarze 134: p->rmargin = p->defrmargin;
1.27 schwarze 135: if (iop > 0)
1.13 schwarze 136: p->defrmargin += width;
1.27 schwarze 137: else if (iop == 0)
1.32 ! schwarze 138: p->defrmargin = width ? (size_t)width : p->lastrmargin;
! 139: else if (p->defrmargin > (size_t)width)
1.13 schwarze 140: p->defrmargin -= width;
141: else
1.27 schwarze 142: p->defrmargin = 0;
1.13 schwarze 143: p->lastrmargin = p->rmargin;
144: p->rmargin = p->maxrmargin = p->defrmargin;
1.29 schwarze 145: }
146:
147: void
148: ascii_sepline(void *arg)
149: {
150: struct termp *p;
151: size_t i;
152:
153: p = (struct termp *)arg;
154: putchar('\n');
155: for (i = 0; i < p->defrmargin; i++)
156: putchar('-');
157: putchar('\n');
158: putchar('\n');
1.6 schwarze 159: }
1.2 schwarze 160:
161: static size_t
1.6 schwarze 162: ascii_width(const struct termp *p, int c)
1.2 schwarze 163: {
164:
165: return(1);
1.1 schwarze 166: }
167:
168: void
169: ascii_free(void *arg)
170: {
171:
172: term_free((struct termp *)arg);
173: }
174:
175: static void
1.6 schwarze 176: ascii_letter(struct termp *p, int c)
1.1 schwarze 177: {
1.14 schwarze 178:
1.1 schwarze 179: putchar(c);
180: }
181:
182: static void
183: ascii_begin(struct termp *p)
184: {
185:
186: (*p->headf)(p, p->argf);
187: }
188:
189: static void
190: ascii_end(struct termp *p)
191: {
192:
193: (*p->footf)(p, p->argf);
194: }
195:
196: static void
197: ascii_endline(struct termp *p)
198: {
199:
200: putchar('\n');
201: }
202:
203: static void
204: ascii_advance(struct termp *p, size_t len)
205: {
1.14 schwarze 206: size_t i;
1.1 schwarze 207:
208: for (i = 0; i < len; i++)
209: putchar(' ');
210: }
1.3 schwarze 211:
1.32 ! schwarze 212: static int
1.3 schwarze 213: ascii_hspan(const struct termp *p, const struct roffsu *su)
214: {
215: double r;
216:
217: switch (su->unit) {
1.17 schwarze 218: case SCALE_BU:
1.32 ! schwarze 219: r = su->scale;
1.17 schwarze 220: break;
1.14 schwarze 221: case SCALE_CM:
1.32 ! schwarze 222: r = su->scale * 240.0 / 2.54;
1.17 schwarze 223: break;
224: case SCALE_FS:
1.32 ! schwarze 225: r = su->scale * 65536.0;
1.3 schwarze 226: break;
1.14 schwarze 227: case SCALE_IN:
1.32 ! schwarze 228: r = su->scale * 240.0;
1.3 schwarze 229: break;
1.17 schwarze 230: case SCALE_MM:
1.32 ! schwarze 231: r = su->scale * 0.24;
1.17 schwarze 232: break;
1.32 ! schwarze 233: case SCALE_VS:
! 234: /* FALLTHROUGH */
1.14 schwarze 235: case SCALE_PC:
1.32 ! schwarze 236: r = su->scale * 40.0;
1.3 schwarze 237: break;
1.14 schwarze 238: case SCALE_PT:
1.32 ! schwarze 239: r = su->scale * 10.0 / 3.0;
1.3 schwarze 240: break;
1.17 schwarze 241: case SCALE_EN:
1.18 schwarze 242: /* FALLTHROUGH */
1.17 schwarze 243: case SCALE_EM:
1.32 ! schwarze 244: r = su->scale * 24.0;
1.17 schwarze 245: break;
1.20 schwarze 246: default:
1.17 schwarze 247: abort();
1.18 schwarze 248: /* NOTREACHED */
1.3 schwarze 249: }
1.32 ! schwarze 250: return(r > 0.0 ? r + 0.01 : r - 0.01);
1.22 schwarze 251: }
252:
253: const char *
254: ascii_uc2str(int uc)
255: {
256: static const char nbrsp[2] = { ASCII_NBRSP, '\0' };
257: static const char *tab[] = {
258: "<NUL>","<SOH>","<STX>","<ETX>","<EOT>","<ENQ>","<ACK>","<BEL>",
259: "<BS>", "\t", "<LF>", "<VT>", "<FF>", "<CR>", "<SO>", "<SI>",
260: "<DLE>","<DC1>","<DC2>","<DC3>","<DC4>","<NAK>","<SYN>","<ETB>",
261: "<CAN>","<EM>", "<SUB>","<ESC>","<FS>", "<GS>", "<RS>", "<US>",
262: " ", "!", "\"", "#", "$", "%", "&", "'",
263: "(", ")", "*", "+", ",", "-", ".", "/",
264: "0", "1", "2", "3", "4", "5", "6", "7",
265: "8", "9", ":", ";", "<", "=", ">", "?",
266: "@", "A", "B", "C", "D", "E", "F", "G",
267: "H", "I", "J", "K", "L", "M", "N", "O",
268: "P", "Q", "R", "S", "T", "U", "V", "W",
269: "X", "Y", "Z", "[", "\\", "]", "^", "_",
270: "`", "a", "b", "c", "d", "e", "f", "g",
271: "h", "i", "j", "k", "l", "m", "n", "o",
272: "p", "q", "r", "s", "t", "u", "v", "w",
273: "x", "y", "z", "{", "|", "}", "~", "<DEL>",
274: "<80>", "<81>", "<82>", "<83>", "<84>", "<85>", "<86>", "<87>",
275: "<88>", "<89>", "<8A>", "<8B>", "<8C>", "<8D>", "<8E>", "<8F>",
276: "<90>", "<91>", "<92>", "<93>", "<94>", "<95>", "<96>", "<97>",
277: "<99>", "<99>", "<9A>", "<9B>", "<9C>", "<9D>", "<9E>", "<9F>",
1.24 schwarze 278: nbrsp, "!", "/\bc", "GBP", "o\bx", "=\bY", "|", "<sec>",
279: "\"", "(C)", "_\ba", "<<", "~", "", "(R)", "-",
280: "<deg>","+-", "2", "3", "'", ",\bu", "<par>",".",
281: ",", "1", "_\bo", ">>", "1/4", "1/2", "3/4", "?",
282: "`\bA", "'\bA", "^\bA", "~\bA", "\"\bA","o\bA", "AE", ",\bC",
283: "`\bE", "'\bE", "^\bE", "\"\bE","`\bI", "'\bI", "^\bI", "\"\bI",
284: "-\bD", "~\bN", "`\bO", "'\bO", "^\bO", "~\bO", "\"\bO","x",
285: "/\bO", "`\bU", "'\bU", "^\bU", "\"\bU","'\bY", "Th", "ss",
286: "`\ba", "'\ba", "^\ba", "~\ba", "\"\ba","o\ba", "ae", ",\bc",
287: "`\be", "'\be", "^\be", "\"\be","`\bi", "'\bi", "^\bi", "\"\bi",
288: "d", "~\bn", "`\bo", "'\bo", "^\bo", "~\bo", "\"\bo","-:-",
289: "/\bo", "`\bu", "'\bu", "^\bu", "\"\bu","'\by", "th", "\"\by",
290: "A", "a", "A", "a", "A", "a", "'\bC", "'\bc",
291: "^\bC", "^\bc", "C", "c", "C", "c", "D", "d",
292: "/\bD", "/\bd", "E", "e", "E", "e", "E", "e",
293: "E", "e", "E", "e", "^\bG", "^\bg", "G", "g",
294: "G", "g", ",\bG", ",\bg", "^\bH", "^\bh", "/\bH", "/\bh",
295: "~\bI", "~\bi", "I", "i", "I", "i", "I", "i",
296: "I", "i", "IJ", "ij", "^\bJ", "^\bj", ",\bK", ",\bk",
297: "q", "'\bL", "'\bl", ",\bL", ",\bl", "L", "l", "L",
298: "l", "/\bL", "/\bl", "'\bN", "'\bn", ",\bN", ",\bn", "N",
1.22 schwarze 299: "n", "'n", "Ng", "ng", "O", "o", "O", "o",
1.24 schwarze 300: "O", "o", "OE", "oe", "'\bR", "'\br", ",\bR", ",\br",
301: "R", "r", "'\bS", "'\bs", "^\bS", "^\bs", ",\bS", ",\bs",
302: "S", "s", ",\bT", ",\bt", "T", "t", "/\bT", "/\bt",
303: "~\bU", "~\bu", "U", "u", "U", "u", "U", "u",
304: "U", "u", "U", "u", "^\bW", "^\bw", "^\bY", "^\by",
305: "\"\bY","'\bZ", "'\bz", "Z", "z", "Z", "z", "s",
1.22 schwarze 306: "b", "B", "B", "b", "6", "6", "O", "C",
307: "c", "D", "D", "D", "d", "d", "3", "@",
1.24 schwarze 308: "E", "F", ",\bf", "G", "G", "hv", "I", "/\bI",
309: "K", "k", "/\bl", "l", "W", "N", "n", "~\bO",
1.22 schwarze 310: "O", "o", "OI", "oi", "P", "p", "YR", "2",
311: "2", "SH", "sh", "t", "T", "t", "T", "U",
1.24 schwarze 312: "u", "Y", "V", "Y", "y", "/\bZ", "/\bz", "ZH",
313: "ZH", "zh", "zh", "/\b2", "5", "5", "ts", "w",
1.22 schwarze 314: "|", "||", "|=", "!", "DZ", "Dz", "dz", "LJ",
315: "Lj", "lj", "NJ", "Nj", "nj", "A", "a", "I",
316: "i", "O", "o", "U", "u", "U", "u", "U",
317: "u", "U", "u", "U", "u", "@", "A", "a",
1.24 schwarze 318: "A", "a", "AE", "ae", "/\bG", "/\bg", "G", "g",
1.22 schwarze 319: "K", "k", "O", "o", "O", "o", "ZH", "zh",
1.24 schwarze 320: "j", "DZ", "Dz", "dz", "'\bG", "'\bg", "HV", "W",
321: "`\bN", "`\bn", "A", "a", "'\bAE","'\bae","O", "o"};
1.22 schwarze 322:
1.26 schwarze 323: assert(uc >= 0);
1.23 schwarze 324: if ((size_t)uc < sizeof(tab)/sizeof(tab[0]))
325: return(tab[uc]);
326: return(mchars_uc2str(uc));
1.3 schwarze 327: }
328:
1.6 schwarze 329: static size_t
330: locale_width(const struct termp *p, int c)
331: {
332: int rc;
333:
1.15 schwarze 334: if (c == ASCII_NBRSP)
335: c = ' ';
336: rc = wcwidth(c);
337: if (rc < 0)
338: rc = 0;
339: return(rc);
1.6 schwarze 340: }
341:
342: static void
343: locale_advance(struct termp *p, size_t len)
344: {
1.14 schwarze 345: size_t i;
1.6 schwarze 346:
347: for (i = 0; i < len; i++)
348: putwchar(L' ');
349: }
350:
351: static void
352: locale_endline(struct termp *p)
353: {
354:
355: putwchar(L'\n');
356: }
357:
358: static void
359: locale_letter(struct termp *p, int c)
360: {
1.14 schwarze 361:
1.6 schwarze 362: putwchar(c);
363: }
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