GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/mandoc/term_ascii.c Lines: 0 97 0.0 %
Date: 2016-12-06 Branches: 0 55 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: term_ascii.c,v 1.39 2016/07/08 22:27:58 schwarze Exp $ */
2
/*
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 * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4
 * Copyright (c) 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <sys/types.h>
19
20
#include <assert.h>
21
#include <locale.h>
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#include <stdint.h>
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#include <stdio.h>
24
#include <stdlib.h>
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#include <unistd.h>
26
#include <wchar.h>
27
28
#include "mandoc.h"
29
#include "mandoc_aux.h"
30
#include "out.h"
31
#include "term.h"
32
#include "manconf.h"
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#include "main.h"
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static	struct termp	 *ascii_init(enum termenc, const struct manoutput *);
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static	int		  ascii_hspan(const struct termp *,
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				const struct roffsu *);
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static	size_t		  ascii_width(const struct termp *, int);
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static	void		  ascii_advance(struct termp *, size_t);
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static	void		  ascii_begin(struct termp *);
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static	void		  ascii_end(struct termp *);
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static	void		  ascii_endline(struct termp *);
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static	void		  ascii_letter(struct termp *, int);
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static	void		  ascii_setwidth(struct termp *, int, int);
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static	void		  locale_advance(struct termp *, size_t);
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static	void		  locale_endline(struct termp *);
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static	void		  locale_letter(struct termp *, int);
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static	size_t		  locale_width(const struct termp *, int);
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static struct termp *
53
ascii_init(enum termenc enc, const struct manoutput *outopts)
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{
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	char		*v;
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	struct termp	*p;
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	p = mandoc_calloc(1, sizeof(struct termp));
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	p->line = 1;
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	p->tabwidth = 5;
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	p->defrmargin = p->lastrmargin = 78;
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	p->fontq = mandoc_reallocarray(NULL,
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	     (p->fontsz = 8), sizeof(enum termfont));
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	p->fontq[0] = p->fontl = TERMFONT_NONE;
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	p->begin = ascii_begin;
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	p->end = ascii_end;
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	p->hspan = ascii_hspan;
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	p->type = TERMTYPE_CHAR;
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	p->enc = TERMENC_ASCII;
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	p->advance = ascii_advance;
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	p->endline = ascii_endline;
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	p->letter = ascii_letter;
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	p->setwidth = ascii_setwidth;
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	p->width = ascii_width;
78
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	if (TERMENC_ASCII != enc) {
80
81
		/*
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		 * 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
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		v = TERMENC_LOCALE == enc ?
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		    setlocale(LC_CTYPE, "") :
90
		    setlocale(LC_CTYPE, "en_US.UTF-8");
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		if (NULL != v && MB_CUR_MAX > 1) {
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			p->enc = enc;
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			p->advance = locale_advance;
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			p->endline = locale_endline;
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			p->letter = locale_letter;
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			p->width = locale_width;
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		}
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	}
99
100
	if (outopts->mdoc) {
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		p->mdocstyle = 1;
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		p->defindent = 5;
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	}
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	if (outopts->indent)
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		p->defindent = outopts->indent;
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	if (outopts->width)
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		p->defrmargin = outopts->width;
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	if (outopts->synopsisonly)
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		p->synopsisonly = 1;
110
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	return p;
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}
113
114
void *
115
ascii_alloc(const struct manoutput *outopts)
116
{
117
118
	return ascii_init(TERMENC_ASCII, outopts);
119
}
120
121
void *
122
utf8_alloc(const struct manoutput *outopts)
123
{
124
125
	return ascii_init(TERMENC_UTF8, outopts);
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}
127
128
void *
129
locale_alloc(const struct manoutput *outopts)
130
{
131
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	return ascii_init(TERMENC_LOCALE, outopts);
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}
134
135
static void
136
ascii_setwidth(struct termp *p, int iop, int width)
137
{
138
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	width /= 24;
140
	p->rmargin = p->defrmargin;
141
	if (iop > 0)
142
		p->defrmargin += width;
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	else if (iop == 0)
144
		p->defrmargin = width ? (size_t)width : p->lastrmargin;
145
	else if (p->defrmargin > (size_t)width)
146
		p->defrmargin -= width;
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	else
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		p->defrmargin = 0;
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	p->lastrmargin = p->rmargin;
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	p->rmargin = p->maxrmargin = p->defrmargin;
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}
152
153
void
154
terminal_sepline(void *arg)
155
{
156
	struct termp	*p;
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	size_t		 i;
158
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	p = (struct termp *)arg;
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	(*p->endline)(p);
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	for (i = 0; i < p->defrmargin; i++)
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		(*p->letter)(p, '-');
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	(*p->endline)(p);
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	(*p->endline)(p);
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}
166
167
static size_t
168
ascii_width(const struct termp *p, int c)
169
{
170
171
	return 1;
172
}
173
174
void
175
ascii_free(void *arg)
176
{
177
178
	term_free((struct termp *)arg);
179
}
180
181
static void
182
ascii_letter(struct termp *p, int c)
183
{
184
185
	putchar(c);
186
}
187
188
static void
189
ascii_begin(struct termp *p)
190
{
191
192
	(*p->headf)(p, p->argf);
193
}
194
195
static void
196
ascii_end(struct termp *p)
197
{
198
199
	(*p->footf)(p, p->argf);
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}
201
202
static void
203
ascii_endline(struct termp *p)
204
{
205
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	p->line++;
207
	putchar('\n');
208
}
209
210
static void
211
ascii_advance(struct termp *p, size_t len)
212
{
213
	size_t		i;
214
215
	for (i = 0; i < len; i++)
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		putchar(' ');
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}
218
219
static int
220
ascii_hspan(const struct termp *p, const struct roffsu *su)
221
{
222
	double		 r;
223
224
	switch (su->unit) {
225
	case SCALE_BU:
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		r = su->scale;
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		break;
228
	case SCALE_CM:
229
		r = su->scale * 240.0 / 2.54;
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		break;
231
	case SCALE_FS:
232
		r = su->scale * 65536.0;
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		break;
234
	case SCALE_IN:
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		r = su->scale * 240.0;
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		break;
237
	case SCALE_MM:
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		r = su->scale * 0.24;
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		break;
240
	case SCALE_VS:
241
	case SCALE_PC:
242
		r = su->scale * 40.0;
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		break;
244
	case SCALE_PT:
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		r = su->scale * 10.0 / 3.0;
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		break;
247
	case SCALE_EN:
248
	case SCALE_EM:
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		r = su->scale * 24.0;
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		break;
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	default:
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		abort();
253
	}
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	return r > 0.0 ? r + 0.01 : r - 0.01;
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}
256
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const char *
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ascii_uc2str(int uc)
259
{
260
	static const char nbrsp[2] = { ASCII_NBRSP, '\0' };
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	static const char *tab[] = {
262
	"<NUL>","<SOH>","<STX>","<ETX>","<EOT>","<ENQ>","<ACK>","<BEL>",
263
	"<BS>",	"\t",	"<LF>",	"<VT>",	"<FF>",	"<CR>",	"<SO>",	"<SI>",
264
	"<DLE>","<DC1>","<DC2>","<DC3>","<DC4>","<NAK>","<SYN>","<ETB>",
265
	"<CAN>","<EM>",	"<SUB>","<ESC>","<FS>",	"<GS>",	"<RS>",	"<US>",
266
	" ",	"!",	"\"",	"#",	"$",	"%",	"&",	"'",
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	"(",	")",	"*",	"+",	",",	"-",	".",	"/",
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	"0",	"1",	"2",	"3",	"4",	"5",	"6",	"7",
269
	"8",	"9",	":",	";",	"<",	"=",	">",	"?",
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",	"[",	"\\",	"]",	"^",	"_",
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	"`",	"a",	"b",	"c",	"d",	"e",	"f",	"g",
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	"h",	"i",	"j",	"k",	"l",	"m",	"n",	"o",
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	"p",	"q",	"r",	"s",	"t",	"u",	"v",	"w",
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	"x",	"y",	"z",	"{",	"|",	"}",	"~",	"<DEL>",
278
	"<80>",	"<81>",	"<82>",	"<83>",	"<84>",	"<85>",	"<86>",	"<87>",
279
	"<88>",	"<89>",	"<8A>",	"<8B>",	"<8C>",	"<8D>",	"<8E>",	"<8F>",
280
	"<90>",	"<91>",	"<92>",	"<93>",	"<94>",	"<95>",	"<96>",	"<97>",
281
	"<99>",	"<99>",	"<9A>",	"<9B>",	"<9C>",	"<9D>",	"<9E>",	"<9F>",
282
	nbrsp,	"!",	"/\bc",	"GBP",	"o\bx",	"=\bY",	"|",	"<sec>",
283
	"\"",	"(C)",	"_\ba",	"<<",	"~",	"",	"(R)",	"-",
284
	"<deg>","+-",	"2",	"3",	"'",	",\bu",	"<par>",".",
285
	",",	"1",	"_\bo",	">>",	"1/4",	"1/2",	"3/4",	"?",
286
	"`\bA",	"'\bA",	"^\bA",	"~\bA",	"\"\bA","o\bA",	"AE",	",\bC",
287
	"`\bE",	"'\bE",	"^\bE",	"\"\bE","`\bI",	"'\bI",	"^\bI",	"\"\bI",
288
	"-\bD",	"~\bN",	"`\bO",	"'\bO",	"^\bO",	"~\bO",	"\"\bO","x",
289
	"/\bO",	"`\bU",	"'\bU",	"^\bU",	"\"\bU","'\bY",	"Th",	"ss",
290
	"`\ba",	"'\ba",	"^\ba",	"~\ba",	"\"\ba","o\ba",	"ae",	",\bc",
291
	"`\be",	"'\be",	"^\be",	"\"\be","`\bi",	"'\bi",	"^\bi",	"\"\bi",
292
	"d",	"~\bn",	"`\bo",	"'\bo",	"^\bo",	"~\bo",	"\"\bo","-:-",
293
	"/\bo",	"`\bu",	"'\bu",	"^\bu",	"\"\bu","'\by",	"th",	"\"\by",
294
	"A",	"a",	"A",	"a",	"A",	"a",	"'\bC",	"'\bc",
295
	"^\bC",	"^\bc",	"C",	"c",	"C",	"c",	"D",	"d",
296
	"/\bD",	"/\bd",	"E",	"e",	"E",	"e",	"E",	"e",
297
	"E",	"e",	"E",	"e",	"^\bG",	"^\bg",	"G",	"g",
298
	"G",	"g",	",\bG",	",\bg",	"^\bH",	"^\bh",	"/\bH",	"/\bh",
299
	"~\bI",	"~\bi",	"I",	"i",	"I",	"i",	"I",	"i",
300
	"I",	"i",	"IJ",	"ij",	"^\bJ",	"^\bj",	",\bK",	",\bk",
301
	"q",	"'\bL",	"'\bl",	",\bL",	",\bl",	"L",	"l",	"L",
302
	"l",	"/\bL",	"/\bl",	"'\bN",	"'\bn",	",\bN",	",\bn",	"N",
303
	"n",	"'n",	"Ng",	"ng",	"O",	"o",	"O",	"o",
304
	"O",	"o",	"OE",	"oe",	"'\bR",	"'\br",	",\bR",	",\br",
305
	"R",	"r",	"'\bS",	"'\bs",	"^\bS",	"^\bs",	",\bS",	",\bs",
306
	"S",	"s",	",\bT",	",\bt",	"T",	"t",	"/\bT",	"/\bt",
307
	"~\bU",	"~\bu",	"U",	"u",	"U",	"u",	"U",	"u",
308
	"U",	"u",	"U",	"u",	"^\bW",	"^\bw",	"^\bY",	"^\by",
309
	"\"\bY","'\bZ",	"'\bz",	"Z",	"z",	"Z",	"z",	"s",
310
	"b",	"B",	"B",	"b",	"6",	"6",	"O",	"C",
311
	"c",	"D",	"D",	"D",	"d",	"d",	"3",	"@",
312
	"E",	"F",	",\bf",	"G",	"G",	"hv",	"I",	"/\bI",
313
	"K",	"k",	"/\bl",	"l",	"W",	"N",	"n",	"~\bO",
314
	"O",	"o",	"OI",	"oi",	"P",	"p",	"YR",	"2",
315
	"2",	"SH",	"sh",	"t",	"T",	"t",	"T",	"U",
316
	"u",	"Y",	"V",	"Y",	"y",	"/\bZ",	"/\bz",	"ZH",
317
	"ZH",	"zh",	"zh",	"/\b2",	"5",	"5",	"ts",	"w",
318
	"|",	"||",	"|=",	"!",	"DZ",	"Dz",	"dz",	"LJ",
319
	"Lj",	"lj",	"NJ",	"Nj",	"nj",	"A",	"a",	"I",
320
	"i",	"O",	"o",	"U",	"u",	"U",	"u",	"U",
321
	"u",	"U",	"u",	"U",	"u",	"@",	"A",	"a",
322
	"A",	"a",	"AE",	"ae",	"/\bG",	"/\bg",	"G",	"g",
323
	"K",	"k",	"O",	"o",	"O",	"o",	"ZH",	"zh",
324
	"j",	"DZ",	"Dz",	"dz",	"'\bG",	"'\bg",	"HV",	"W",
325
	"`\bN",	"`\bn",	"A",	"a",	"'\bAE","'\bae","O",	"o"};
326
327
	assert(uc >= 0);
328
	if ((size_t)uc < sizeof(tab)/sizeof(tab[0]))
329
		return tab[uc];
330
	return mchars_uc2str(uc);
331
}
332
333
static size_t
334
locale_width(const struct termp *p, int c)
335
{
336
	int		rc;
337
338
	if (c == ASCII_NBRSP)
339
		c = ' ';
340
	rc = wcwidth(c);
341
	if (rc < 0)
342
		rc = 0;
343
	return rc;
344
}
345
346
static void
347
locale_advance(struct termp *p, size_t len)
348
{
349
	size_t		i;
350
351
	for (i = 0; i < len; i++)
352
		putwchar(L' ');
353
}
354
355
static void
356
locale_endline(struct termp *p)
357
{
358
359
	p->line++;
360
	putwchar(L'\n');
361
}
362
363
static void
364
locale_letter(struct termp *p, int c)
365
{
366
367
	putwchar(c);
368
}