mandoc/term_ascii.c - diff

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Diff for /mandoc/term_ascii.c between version 1.22 and 1.61

version 1.22, 2014/03/23 11:25:26

version 1.61, 2018/05/20 21:37:34

Line 1

/* $Id$ */

* Permission to use, copy, modify, and distribute this software for any

* purpose with or without fee is hereby granted, provided that the above

* copyright notice and this permission notice appear in all copies.

* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES

* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR

* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <sys/types.h>

#ifdef USE_WCHAR

#include <assert.h>

# include <locale.h>

#if HAVE_WCHAR

#include <langinfo.h>

#include <locale.h>

#endif

#include <stdint.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

#ifdef USE_WCHAR

#if HAVE_WCHAR

# include <wchar.h>

#include <wchar.h>

#endif

#include "mandoc.h"

#include "mandoc_aux.h"

#include "out.h"

#include "term.h"

#include "manconf.h"

#include "main.h"

static struct termp *ascii_init(enum termenc, const struct manoutput *);

* Sadly, this doesn't seem to be defined on systems even when they

static int ascii_hspan(const struct termp *,

* support it. For the time being, remove it and let those compiling

* the software decide for themselves what to use.

#if 0

#if ! defined(__STDC_ISO_10646__)

# undef USE_WCHAR

#endif

static struct termp *ascii_init(enum termenc, char *);

static double ascii_hspan(const struct termp *,

const struct roffsu *);

static size_t ascii_width(const struct termp *, int);

static void ascii_advance(struct termp *, size_t);

Line 57 static void ascii_begin(struct termp *);

Line 49 static void ascii_begin(struct termp *);

static void ascii_end(struct termp *);

static void ascii_endline(struct termp *);

static void ascii_letter(struct termp *, int);

static void ascii_setwidth(struct termp *, int, int);

#ifdef USE_WCHAR

#if HAVE_WCHAR

static void locale_advance(struct termp *, size_t);

static void locale_endline(struct termp *);

static void locale_letter(struct termp *, int);

static size_t locale_width(const struct termp *, int);

#endif

static struct termp *

ascii_init(enum termenc enc, char *outopts)

ascii_init(enum termenc enc, const struct manoutput *outopts)

{

const char *toks[4];

#if HAVE_WCHAR

char *v;

#endif

struct termp *p;

p = mandoc_calloc(1, sizeof(struct termp));

p = mandoc_calloc(1, sizeof(*p));

p->tcol = p->tcols = mandoc_calloc(1, sizeof(*p->tcol));

p->maxtcol = 1;

p->tabwidth = 5;

p->line = 1;

p->defrmargin = 78;

p->defrmargin = p->lastrmargin = 78;

p->fontq = mandoc_reallocarray(NULL,

(p->fontsz = 8), sizeof(*p->fontq));

p->fontq[0] = p->fontl = TERMFONT_NONE;

p->begin = ascii_begin;

p->end = ascii_end;

Line 86 ascii_init(enum termenc enc, char *outopts)

p->advance = ascii_advance;

p->endline = ascii_endline;

p->letter = ascii_letter;

p->setwidth = ascii_setwidth;

p->width = ascii_width;

#ifdef USE_WCHAR

#if HAVE_WCHAR

if (TERMENC_ASCII != enc) {

* Do not change any of this to LC_ALL. It might break

* the formatting by subtly changing the behaviour of

* various functions, for example strftime(3). As a

* worst case, it might even cause buffer overflows.

v = TERMENC_LOCALE == enc ?

setlocale(LC_ALL, "") :

setlocale(LC_CTYPE, "") :

setlocale(LC_CTYPE, "en_US.UTF-8");

setlocale(LC_CTYPE, UTF8_LOCALE);

if (NULL != v && MB_CUR_MAX > 1) {

* We only support UTF-8,

* so revert to ASCII for anything else.

if (v != NULL &&

strcmp(nl_langinfo(CODESET), "UTF-8") != 0)

v = setlocale(LC_CTYPE, "C");

if (v != NULL && MB_CUR_MAX > 1) {

p->enc = enc;

p->advance = locale_advance;

p->endline = locale_endline;

Line 103 ascii_init(enum termenc enc, char *outopts)

Line 122 ascii_init(enum termenc enc, char *outopts)

}

#endif

toks[0] = "indent";

if (outopts->mdoc) {

toks[1] = "width";

p->mdocstyle = 1;

toks[2] = "mdoc";

p->defindent = 5;

toks[3] = NULL;

}

if (outopts->indent)

p->defindent = outopts->indent;

if (outopts->width)

p->defrmargin = outopts->width;

if (outopts->synopsisonly)

p->synopsisonly = 1;

while (outopts && *outopts)

assert(p->defindent < UINT16_MAX);

switch (getsubopt(&outopts, UNCONST(toks), &v)) {

assert(p->defrmargin < UINT16_MAX);

case (0):

return p;

p->defindent = (size_t)atoi(v);

}

break;

case (1):

p->defrmargin = (size_t)atoi(v);

break;

case (2):

* Temporary, undocumented mode

* to imitate mdoc(7) output style.

p->mdocstyle = 1;

p->defindent = 5;

break;

default:

break;

}

/* Enforce a lower boundary. */

void *

if (p->defrmargin < 58)

ascii_alloc(const struct manoutput *outopts)

p->defrmargin = 58;

{

return(p);

return ascii_init(TERMENC_ASCII, outopts);

}

void *

ascii_alloc(char *outopts)

utf8_alloc(const struct manoutput *outopts)

{

return(ascii_init(TERMENC_ASCII, outopts));

return ascii_init(TERMENC_UTF8, outopts);

}

void *

utf8_alloc(char *outopts)

locale_alloc(const struct manoutput *outopts)

{

return(ascii_init(TERMENC_UTF8, outopts));

return ascii_init(TERMENC_LOCALE, outopts);

}

static void

ascii_setwidth(struct termp *p, int iop, int width)

{

void *

width /= 24;

locale_alloc(char *outopts)

p->tcol->rmargin = p->defrmargin;

if (iop > 0)

p->defrmargin += width;

else if (iop == 0)

p->defrmargin = width ? (size_t)width : p->lastrmargin;

else if (p->defrmargin > (size_t)width)

p->defrmargin -= width;

else

p->defrmargin = 0;

if (p->defrmargin > 1000)

p->defrmargin = 1000;

p->lastrmargin = p->tcol->rmargin;

p->tcol->rmargin = p->maxrmargin = p->defrmargin;

}

void

terminal_sepline(void *arg)

{

struct termp *p;

size_t i;

return(ascii_init(TERMENC_LOCALE, outopts));

p = (struct termp *)arg;

(*p->endline)(p);

for (i = 0; i < p->defrmargin; i++)

(*p->letter)(p, '-');

(*p->endline)(p);

}

/* ARGSUSED */

static size_t

ascii_width(const struct termp *p, int c)

{

return(1);

return 1;

}

void

Line 172 ascii_free(void *arg)

Line 207 ascii_free(void *arg)

term_free((struct termp *)arg);

}

/* ARGSUSED */

static void

ascii_letter(struct termp *p, int c)

{

putchar(c);

}

Line 194 ascii_end(struct termp *p)

Line 228 ascii_end(struct termp *p)

(*p->footf)(p, p->argf);

}

/* ARGSUSED */

static void

ascii_endline(struct termp *p)

{

p->line++;

p->tcol->offset -= p->ti;

p->ti = 0;

putchar('\n');

}

/* ARGSUSED */

static void

ascii_advance(struct termp *p, size_t len)

{

size_t i;

assert(len < UINT16_MAX);

for (i = 0; i < len; i++)

putchar(' ');

}

/* ARGSUSED */

static int

static double

ascii_hspan(const struct termp *p, const struct roffsu *su)

{

double r;

* Approximate based on character width. These are generated

* entirely by eyeballing the screen, but appear to be correct.

switch (su->unit) {

case (SCALE_CM):

case SCALE_BU:

r = 4 * su->scale;

r = su->scale;

break;

case (SCALE_IN):

case SCALE_CM:

r = 10 * su->scale;

r = su->scale * 240.0 / 2.54;

break;

case (SCALE_PC):

case SCALE_FS:

r = (10 * su->scale) / 6;

r = su->scale * 65536.0;

break;

case (SCALE_PT):

case SCALE_IN:

r = (10 * su->scale) / 72;

r = su->scale * 240.0;

break;

case (SCALE_MM):

case SCALE_MM:

r = su->scale / 1000;

r = su->scale * 0.24;

break;

case (SCALE_VS):

case SCALE_VS:

r = su->scale * 2 - 1;

case SCALE_PC:

r = su->scale * 40.0;

break;

default:

case SCALE_PT:

r = su->scale;

r = su->scale * 10.0 / 3.0;

break;

case SCALE_EN:

case SCALE_EM:

r = su->scale * 24.0;

break;

default:

abort();

}

return r > 0.0 ? r + 0.01 : r - 0.01;

}

return(r);

const char *

ascii_uc2str(int uc)

{

static const char nbrsp[2] = { ASCII_NBRSP, '\0' };

static const char *tab[] = {

"<NUL>","<SOH>","<STX>","<ETX>","<EOT>","<ENQ>","<ACK>","<BEL>",

"<BS>", "\t", "<LF>", "<VT>", "<FF>", "<CR>", "<SO>", "<SI>",

"<DLE>","<DC1>","<DC2>","<DC3>","<DC4>","<NAK>","<SYN>","<ETB>",

"<CAN>","<EM>", "<SUB>","<ESC>","<FS>", "<GS>", "<RS>", "<US>",

" ", "!", "\"", "#", "$", "%", "&", "'",

"(", ")", "*", "+", ",", "-", ".", "/",

"0", "1", "2", "3", "4", "5", "6", "7",

"8", "9", ":", ";", "<", "=", ">", "?",

"@", "A", "B", "C", "D", "E", "F", "G",

"H", "I", "J", "K", "L", "M", "N", "O",

"P", "Q", "R", "S", "T", "U", "V", "W",

"X", "Y", "Z", "[", "\\", "]", "^", "_",

"`", "a", "b", "c", "d", "e", "f", "g",

"h", "i", "j", "k", "l", "m", "n", "o",

"p", "q", "r", "s", "t", "u", "v", "w",

"x", "y", "z", "{", "|", "}", "~", "<DEL>",

"<80>", "<81>", "<82>", "<83>", "<84>", "<85>", "<86>", "<87>",

"<88>", "<89>", "<8A>", "<8B>", "<8C>", "<8D>", "<8E>", "<8F>",

"<90>", "<91>", "<92>", "<93>", "<94>", "<95>", "<96>", "<97>",

"<98>", "<99>", "<9A>", "<9B>", "<9C>", "<9D>", "<9E>", "<9F>",

nbrsp, "!", "/\bc", "GBP", "o\bx", "=\bY", "|", "<section>",

"\"", "(C)", "_\ba", "<<", "~", "", "(R)", "-",

"<degree>","+-","^2", "^3", "'","<micro>","<paragraph>",".",

",", "^1", "_\bo", ">>", "1/4", "1/2", "3/4", "?",

"`\bA", "'\bA", "^\bA", "~\bA", "\"\bA","o\bA", "AE", ",\bC",

"`\bE", "'\bE", "^\bE", "\"\bE","`\bI", "'\bI", "^\bI", "\"\bI",

"Dh", "~\bN", "`\bO", "'\bO", "^\bO", "~\bO", "\"\bO","x",

"/\bO", "`\bU", "'\bU", "^\bU", "\"\bU","'\bY", "Th", "ss",

"`\ba", "'\ba", "^\ba", "~\ba", "\"\ba","o\ba", "ae", ",\bc",

"`\be", "'\be", "^\be", "\"\be","`\bi", "'\bi", "^\bi", "\"\bi",

"dh", "~\bn", "`\bo", "'\bo", "^\bo", "~\bo", "\"\bo","/",

"/\bo", "`\bu", "'\bu", "^\bu", "\"\bu","'\by", "th", "\"\by",

"A", "a", "A", "a", "A", "a", "'\bC", "'\bc",

"^\bC", "^\bc", "C", "c", "C", "c", "D", "d",

"/\bD", "/\bd", "E", "e", "E", "e", "E", "e",

"E", "e", "E", "e", "^\bG", "^\bg", "G", "g",

"G", "g", ",\bG", ",\bg", "^\bH", "^\bh", "/\bH", "/\bh",

"~\bI", "~\bi", "I", "i", "I", "i", "I", "i",

"I", "i", "IJ", "ij", "^\bJ", "^\bj", ",\bK", ",\bk",

"q", "'\bL", "'\bl", ",\bL", ",\bl", "L", "l", "L",

"l", "/\bL", "/\bl", "'\bN", "'\bn", ",\bN", ",\bn", "N",

"n", "'n", "Ng", "ng", "O", "o", "O", "o",

"O", "o", "OE", "oe", "'\bR", "'\br", ",\bR", ",\br",

"R", "r", "'\bS", "'\bs", "^\bS", "^\bs", ",\bS", ",\bs",

"S", "s", ",\bT", ",\bt", "T", "t", "/\bT", "/\bt",

"~\bU", "~\bu", "U", "u", "U", "u", "U", "u",

"U", "u", "U", "u", "^\bW", "^\bw", "^\bY", "^\by",

"\"\bY","'\bZ", "'\bz", "Z", "z", "Z", "z", "s",

"b", "B", "B", "b", "6", "6", "O", "C",

"c", "D", "D", "D", "d", "d", "3", "@",

"E", "F", ",\bf", "G", "G", "hv", "I", "/\bI",

"K", "k", "/\bl", "l", "W", "N", "n", "~\bO",

"O", "o", "OI", "oi", "P", "p", "YR", "2",

"2", "SH", "sh", "t", "T", "t", "T", "U",

"u", "Y", "V", "Y", "y", "/\bZ", "/\bz", "ZH",

"ZH", "zh", "zh", "/\b2", "5", "5", "ts", "w",

"|", "||", "|=", "!", "DZ", "Dz", "dz", "LJ",

"Lj", "lj", "NJ", "Nj", "nj", "A", "a", "I",

"i", "O", "o", "U", "u", "U", "u", "U",

"u", "U", "u", "U", "u", "@", "A", "a",

"A", "a", "AE", "ae", "/\bG", "/\bg", "G", "g",

"K", "k", "O", "o", "O", "o", "ZH", "zh",

"j", "DZ", "Dz", "dz", "'\bG", "'\bg", "HV", "W",

"`\bN", "`\bn", "A", "a", "'\bAE","'\bae","O", "o"};

assert(uc >= 0);

if ((size_t)uc < sizeof(tab)/sizeof(tab[0]))

return tab[uc];

return mchars_uc2str(uc);

}

#ifdef USE_WCHAR

#if HAVE_WCHAR

/* ARGSUSED */

static size_t

locale_width(const struct termp *p, int c)

{

int rc;

return((rc = wcwidth(c)) < 0 ? 0 : rc);

if (c == ASCII_NBRSP)

c = ' ';

rc = wcwidth(c);

if (rc < 0)

rc = 0;

return rc;

}

/* ARGSUSED */

static void

locale_advance(struct termp *p, size_t len)

{

size_t i;

assert(len < UINT16_MAX);

for (i = 0; i < len; i++)

putwchar(L' ');

}

/* ARGSUSED */

static void

locale_endline(struct termp *p)

{

p->line++;

p->tcol->offset -= p->ti;

p->ti = 0;

putwchar(L'\n');

}

/* ARGSUSED */

static void

locale_letter(struct termp *p, int c)

{

putwchar(c);

}

#endif

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