Annotation of src/usr.bin/mandoc/term_ascii.c, Revision 1.38
1.38 ! schwarze 1: /* $OpenBSD: term_ascii.c,v 1.37 2015/10/13 22:57:49 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:
1.37 schwarze 35: static struct termp *ascii_init(enum termenc, const struct manoutput *);
1.32 schwarze 36: static int ascii_hspan(const struct termp *,
1.3 schwarze 37: const struct roffsu *);
1.6 schwarze 38: static size_t ascii_width(const struct termp *, int);
1.3 schwarze 39: static void ascii_advance(struct termp *, size_t);
40: static void ascii_begin(struct termp *);
41: static void ascii_end(struct termp *);
1.1 schwarze 42: static void ascii_endline(struct termp *);
1.6 schwarze 43: static void ascii_letter(struct termp *, int);
1.32 schwarze 44: static void ascii_setwidth(struct termp *, int, int);
1.1 schwarze 45:
1.6 schwarze 46: static void locale_advance(struct termp *, size_t);
47: static void locale_endline(struct termp *);
48: static void locale_letter(struct termp *, int);
49: static size_t locale_width(const struct termp *, int);
1.1 schwarze 50:
1.14 schwarze 51:
1.6 schwarze 52: static struct termp *
1.37 schwarze 53: ascii_init(enum termenc enc, const struct manoutput *outopts)
1.1 schwarze 54: {
55: char *v;
1.6 schwarze 56: struct termp *p;
1.1 schwarze 57:
1.6 schwarze 58: p = mandoc_calloc(1, sizeof(struct termp));
1.1 schwarze 59:
1.33 schwarze 60: p->line = 1;
1.2 schwarze 61: p->tabwidth = 5;
1.12 schwarze 62: p->defrmargin = p->lastrmargin = 78;
1.28 schwarze 63: p->fontq = mandoc_reallocarray(NULL,
64: (p->fontsz = 8), sizeof(enum termfont));
65: p->fontq[0] = p->fontl = TERMFONT_NONE;
1.2 schwarze 66:
1.1 schwarze 67: p->begin = ascii_begin;
68: p->end = ascii_end;
1.6 schwarze 69: p->hspan = ascii_hspan;
70: p->type = TERMTYPE_CHAR;
71:
72: p->enc = TERMENC_ASCII;
73: p->advance = ascii_advance;
1.1 schwarze 74: p->endline = ascii_endline;
1.3 schwarze 75: p->letter = ascii_letter;
1.12 schwarze 76: p->setwidth = ascii_setwidth;
1.2 schwarze 77: p->width = ascii_width;
1.1 schwarze 78:
1.6 schwarze 79: if (TERMENC_ASCII != enc) {
1.38 ! schwarze 80:
! 81: /*
! 82: * Do not change any of this to LC_ALL. It might break
! 83: * the formatting by subtly changing the behaviour of
! 84: * various functions, for example strftime(3). As a
! 85: * worst case, it might even cause buffer overflows.
! 86: */
! 87:
1.6 schwarze 88: v = TERMENC_LOCALE == enc ?
1.38 ! schwarze 89: setlocale(LC_CTYPE, "") :
1.14 schwarze 90: setlocale(LC_CTYPE, "en_US.UTF-8");
1.6 schwarze 91: if (NULL != v && MB_CUR_MAX > 1) {
92: p->enc = enc;
93: p->advance = locale_advance;
94: p->endline = locale_endline;
95: p->letter = locale_letter;
96: p->width = locale_width;
97: }
98: }
99:
1.31 schwarze 100: if (outopts->mdoc) {
101: p->mdocstyle = 1;
102: p->defindent = 5;
103: }
104: if (outopts->indent)
105: p->defindent = outopts->indent;
106: if (outopts->width)
107: p->defrmargin = outopts->width;
108: if (outopts->synopsisonly)
109: p->synopsisonly = 1;
1.1 schwarze 110:
1.35 schwarze 111: return p;
1.2 schwarze 112: }
113:
1.6 schwarze 114: void *
1.37 schwarze 115: ascii_alloc(const struct manoutput *outopts)
1.6 schwarze 116: {
117:
1.37 schwarze 118: return ascii_init(TERMENC_ASCII, outopts);
1.6 schwarze 119: }
120:
121: void *
1.37 schwarze 122: utf8_alloc(const struct manoutput *outopts)
1.6 schwarze 123: {
124:
1.37 schwarze 125: return ascii_init(TERMENC_UTF8, outopts);
1.6 schwarze 126: }
127:
128: void *
1.37 schwarze 129: locale_alloc(const struct manoutput *outopts)
1.6 schwarze 130: {
131:
1.37 schwarze 132: return ascii_init(TERMENC_LOCALE, outopts);
1.12 schwarze 133: }
134:
135: static void
1.32 schwarze 136: ascii_setwidth(struct termp *p, int iop, int width)
1.12 schwarze 137: {
138:
1.32 schwarze 139: width /= 24;
1.13 schwarze 140: p->rmargin = p->defrmargin;
1.27 schwarze 141: if (iop > 0)
1.13 schwarze 142: p->defrmargin += width;
1.27 schwarze 143: else if (iop == 0)
1.32 schwarze 144: p->defrmargin = width ? (size_t)width : p->lastrmargin;
145: else if (p->defrmargin > (size_t)width)
1.13 schwarze 146: p->defrmargin -= width;
147: else
1.27 schwarze 148: p->defrmargin = 0;
1.13 schwarze 149: p->lastrmargin = p->rmargin;
150: p->rmargin = p->maxrmargin = p->defrmargin;
1.29 schwarze 151: }
152:
153: void
154: ascii_sepline(void *arg)
155: {
156: struct termp *p;
157: size_t i;
158:
159: p = (struct termp *)arg;
1.33 schwarze 160: p->line += 3;
1.29 schwarze 161: putchar('\n');
162: for (i = 0; i < p->defrmargin; i++)
163: putchar('-');
164: putchar('\n');
165: putchar('\n');
1.6 schwarze 166: }
1.2 schwarze 167:
168: static size_t
1.6 schwarze 169: ascii_width(const struct termp *p, int c)
1.2 schwarze 170: {
171:
1.35 schwarze 172: return 1;
1.1 schwarze 173: }
174:
175: void
176: ascii_free(void *arg)
177: {
178:
179: term_free((struct termp *)arg);
180: }
181:
182: static void
1.6 schwarze 183: ascii_letter(struct termp *p, int c)
1.1 schwarze 184: {
1.14 schwarze 185:
1.1 schwarze 186: putchar(c);
187: }
188:
189: static void
190: ascii_begin(struct termp *p)
191: {
192:
193: (*p->headf)(p, p->argf);
194: }
195:
196: static void
197: ascii_end(struct termp *p)
198: {
199:
200: (*p->footf)(p, p->argf);
201: }
202:
203: static void
204: ascii_endline(struct termp *p)
205: {
206:
1.33 schwarze 207: p->line++;
1.1 schwarze 208: putchar('\n');
209: }
210:
211: static void
212: ascii_advance(struct termp *p, size_t len)
213: {
1.14 schwarze 214: size_t i;
1.1 schwarze 215:
216: for (i = 0; i < len; i++)
217: putchar(' ');
218: }
1.3 schwarze 219:
1.32 schwarze 220: static int
1.3 schwarze 221: ascii_hspan(const struct termp *p, const struct roffsu *su)
222: {
223: double r;
224:
225: switch (su->unit) {
1.17 schwarze 226: case SCALE_BU:
1.32 schwarze 227: r = su->scale;
1.17 schwarze 228: break;
1.14 schwarze 229: case SCALE_CM:
1.32 schwarze 230: r = su->scale * 240.0 / 2.54;
1.17 schwarze 231: break;
232: case SCALE_FS:
1.32 schwarze 233: r = su->scale * 65536.0;
1.3 schwarze 234: break;
1.14 schwarze 235: case SCALE_IN:
1.32 schwarze 236: r = su->scale * 240.0;
1.3 schwarze 237: break;
1.17 schwarze 238: case SCALE_MM:
1.32 schwarze 239: r = su->scale * 0.24;
1.17 schwarze 240: break;
1.32 schwarze 241: case SCALE_VS:
1.14 schwarze 242: case SCALE_PC:
1.32 schwarze 243: r = su->scale * 40.0;
1.3 schwarze 244: break;
1.14 schwarze 245: case SCALE_PT:
1.32 schwarze 246: r = su->scale * 10.0 / 3.0;
1.3 schwarze 247: break;
1.17 schwarze 248: case SCALE_EN:
249: case SCALE_EM:
1.32 schwarze 250: r = su->scale * 24.0;
1.17 schwarze 251: break;
1.20 schwarze 252: default:
1.17 schwarze 253: abort();
1.3 schwarze 254: }
1.35 schwarze 255: return r > 0.0 ? r + 0.01 : r - 0.01;
1.22 schwarze 256: }
257:
258: const char *
259: ascii_uc2str(int uc)
260: {
261: static const char nbrsp[2] = { ASCII_NBRSP, '\0' };
262: static const char *tab[] = {
263: "<NUL>","<SOH>","<STX>","<ETX>","<EOT>","<ENQ>","<ACK>","<BEL>",
264: "<BS>", "\t", "<LF>", "<VT>", "<FF>", "<CR>", "<SO>", "<SI>",
265: "<DLE>","<DC1>","<DC2>","<DC3>","<DC4>","<NAK>","<SYN>","<ETB>",
266: "<CAN>","<EM>", "<SUB>","<ESC>","<FS>", "<GS>", "<RS>", "<US>",
267: " ", "!", "\"", "#", "$", "%", "&", "'",
268: "(", ")", "*", "+", ",", "-", ".", "/",
269: "0", "1", "2", "3", "4", "5", "6", "7",
270: "8", "9", ":", ";", "<", "=", ">", "?",
271: "@", "A", "B", "C", "D", "E", "F", "G",
272: "H", "I", "J", "K", "L", "M", "N", "O",
273: "P", "Q", "R", "S", "T", "U", "V", "W",
274: "X", "Y", "Z", "[", "\\", "]", "^", "_",
275: "`", "a", "b", "c", "d", "e", "f", "g",
276: "h", "i", "j", "k", "l", "m", "n", "o",
277: "p", "q", "r", "s", "t", "u", "v", "w",
278: "x", "y", "z", "{", "|", "}", "~", "<DEL>",
279: "<80>", "<81>", "<82>", "<83>", "<84>", "<85>", "<86>", "<87>",
280: "<88>", "<89>", "<8A>", "<8B>", "<8C>", "<8D>", "<8E>", "<8F>",
281: "<90>", "<91>", "<92>", "<93>", "<94>", "<95>", "<96>", "<97>",
282: "<99>", "<99>", "<9A>", "<9B>", "<9C>", "<9D>", "<9E>", "<9F>",
1.24 schwarze 283: nbrsp, "!", "/\bc", "GBP", "o\bx", "=\bY", "|", "<sec>",
284: "\"", "(C)", "_\ba", "<<", "~", "", "(R)", "-",
285: "<deg>","+-", "2", "3", "'", ",\bu", "<par>",".",
286: ",", "1", "_\bo", ">>", "1/4", "1/2", "3/4", "?",
287: "`\bA", "'\bA", "^\bA", "~\bA", "\"\bA","o\bA", "AE", ",\bC",
288: "`\bE", "'\bE", "^\bE", "\"\bE","`\bI", "'\bI", "^\bI", "\"\bI",
289: "-\bD", "~\bN", "`\bO", "'\bO", "^\bO", "~\bO", "\"\bO","x",
290: "/\bO", "`\bU", "'\bU", "^\bU", "\"\bU","'\bY", "Th", "ss",
291: "`\ba", "'\ba", "^\ba", "~\ba", "\"\ba","o\ba", "ae", ",\bc",
292: "`\be", "'\be", "^\be", "\"\be","`\bi", "'\bi", "^\bi", "\"\bi",
293: "d", "~\bn", "`\bo", "'\bo", "^\bo", "~\bo", "\"\bo","-:-",
294: "/\bo", "`\bu", "'\bu", "^\bu", "\"\bu","'\by", "th", "\"\by",
295: "A", "a", "A", "a", "A", "a", "'\bC", "'\bc",
296: "^\bC", "^\bc", "C", "c", "C", "c", "D", "d",
297: "/\bD", "/\bd", "E", "e", "E", "e", "E", "e",
298: "E", "e", "E", "e", "^\bG", "^\bg", "G", "g",
299: "G", "g", ",\bG", ",\bg", "^\bH", "^\bh", "/\bH", "/\bh",
300: "~\bI", "~\bi", "I", "i", "I", "i", "I", "i",
301: "I", "i", "IJ", "ij", "^\bJ", "^\bj", ",\bK", ",\bk",
302: "q", "'\bL", "'\bl", ",\bL", ",\bl", "L", "l", "L",
303: "l", "/\bL", "/\bl", "'\bN", "'\bn", ",\bN", ",\bn", "N",
1.22 schwarze 304: "n", "'n", "Ng", "ng", "O", "o", "O", "o",
1.24 schwarze 305: "O", "o", "OE", "oe", "'\bR", "'\br", ",\bR", ",\br",
306: "R", "r", "'\bS", "'\bs", "^\bS", "^\bs", ",\bS", ",\bs",
307: "S", "s", ",\bT", ",\bt", "T", "t", "/\bT", "/\bt",
308: "~\bU", "~\bu", "U", "u", "U", "u", "U", "u",
309: "U", "u", "U", "u", "^\bW", "^\bw", "^\bY", "^\by",
310: "\"\bY","'\bZ", "'\bz", "Z", "z", "Z", "z", "s",
1.22 schwarze 311: "b", "B", "B", "b", "6", "6", "O", "C",
312: "c", "D", "D", "D", "d", "d", "3", "@",
1.24 schwarze 313: "E", "F", ",\bf", "G", "G", "hv", "I", "/\bI",
314: "K", "k", "/\bl", "l", "W", "N", "n", "~\bO",
1.22 schwarze 315: "O", "o", "OI", "oi", "P", "p", "YR", "2",
316: "2", "SH", "sh", "t", "T", "t", "T", "U",
1.24 schwarze 317: "u", "Y", "V", "Y", "y", "/\bZ", "/\bz", "ZH",
318: "ZH", "zh", "zh", "/\b2", "5", "5", "ts", "w",
1.22 schwarze 319: "|", "||", "|=", "!", "DZ", "Dz", "dz", "LJ",
320: "Lj", "lj", "NJ", "Nj", "nj", "A", "a", "I",
321: "i", "O", "o", "U", "u", "U", "u", "U",
322: "u", "U", "u", "U", "u", "@", "A", "a",
1.24 schwarze 323: "A", "a", "AE", "ae", "/\bG", "/\bg", "G", "g",
1.22 schwarze 324: "K", "k", "O", "o", "O", "o", "ZH", "zh",
1.24 schwarze 325: "j", "DZ", "Dz", "dz", "'\bG", "'\bg", "HV", "W",
326: "`\bN", "`\bn", "A", "a", "'\bAE","'\bae","O", "o"};
1.22 schwarze 327:
1.26 schwarze 328: assert(uc >= 0);
1.23 schwarze 329: if ((size_t)uc < sizeof(tab)/sizeof(tab[0]))
1.35 schwarze 330: return tab[uc];
331: return mchars_uc2str(uc);
1.3 schwarze 332: }
333:
1.6 schwarze 334: static size_t
335: locale_width(const struct termp *p, int c)
336: {
337: int rc;
338:
1.15 schwarze 339: if (c == ASCII_NBRSP)
340: c = ' ';
341: rc = wcwidth(c);
342: if (rc < 0)
343: rc = 0;
1.35 schwarze 344: return rc;
1.6 schwarze 345: }
346:
347: static void
348: locale_advance(struct termp *p, size_t len)
349: {
1.14 schwarze 350: size_t i;
1.6 schwarze 351:
352: for (i = 0; i < len; i++)
353: putwchar(L' ');
354: }
355:
356: static void
357: locale_endline(struct termp *p)
358: {
359:
1.33 schwarze 360: p->line++;
1.6 schwarze 361: putwchar(L'\n');
362: }
363:
364: static void
365: locale_letter(struct termp *p, int c)
366: {
1.14 schwarze 367:
1.6 schwarze 368: putwchar(c);
369: }
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