-/* $Id: term_ascii.c,v 1.16 2011/05/19 15:48:58 kristaps Exp $ */
+/* $Id: term_ascii.c,v 1.64 2018/11/28 14:23:06 schwarze Exp $ */
/*
- * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2014, 2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
*
* 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>
#include <assert.h>
-#ifdef USE_WCHAR
-# 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
-# include <wchar.h>
+#if HAVE_WCHAR
+#include <wchar.h>
#endif
#include "mandoc.h"
+#include "mandoc_aux.h"
#include "out.h"
#include "term.h"
+#include "manconf.h"
#include "main.h"
-/*
- * Sadly, this doesn't seem to be defined on systems even when they
- * 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
-#endif
-
-static struct termp *ascii_init(enum termenc, char *);
-static double ascii_hspan(const struct termp *,
+static struct termp *ascii_init(enum termenc, const struct manoutput *);
+static int 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);
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[2];
+#if HAVE_WCHAR
char *v;
+#endif
struct termp *p;
- p = mandoc_calloc(1, sizeof(struct termp));
- p->enc = enc;
+ p = mandoc_calloc(1, sizeof(*p));
+ p->tcol = p->tcols = mandoc_calloc(1, sizeof(*p->tcol));
+ p->maxtcol = 1;
- p->tabwidth = 5;
- p->defrmargin = 78;
+ p->line = 1;
+ 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;
p->advance = ascii_advance;
p->endline = ascii_endline;
p->letter = ascii_letter;
+ p->setwidth = ascii_setwidth;
p->width = ascii_width;
-#if defined (USE_WCHAR)
- if (TERMENC_LOCALE == enc)
- if (setlocale(LC_ALL, "") && MB_CUR_MAX > 1) {
- p->enc = enc;
+#if HAVE_WCHAR
+ if (enc != TERMENC_ASCII) {
+
+ /*
+ * 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 = enc == TERMENC_LOCALE ?
+ setlocale(LC_CTYPE, "") :
+ setlocale(LC_CTYPE, UTF8_LOCALE);
+
+ /*
+ * 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 = TERMENC_UTF8;
p->advance = locale_advance;
p->endline = locale_endline;
p->letter = locale_letter;
p->width = locale_width;
}
+ }
#endif
- toks[0] = "width";
- toks[1] = NULL;
-
- while (outopts && *outopts)
- switch (getsubopt(&outopts, UNCONST(toks), &v)) {
- case (0):
- p->defrmargin = (size_t)atoi(v);
- break;
- default:
- break;
- }
+ if (outopts->mdoc) {
+ p->mdocstyle = 1;
+ p->defindent = 5;
+ }
+ if (outopts->indent)
+ p->defindent = outopts->indent;
+ if (outopts->width)
+ p->defrmargin = outopts->width;
+ if (outopts->synopsisonly)
+ p->synopsisonly = 1;
+
+ assert(p->defindent < UINT16_MAX);
+ assert(p->defrmargin < UINT16_MAX);
+ return p;
+}
- /* Enforce a lower boundary. */
- if (p->defrmargin < 58)
- p->defrmargin = 58;
+void *
+ascii_alloc(const struct manoutput *outopts)
+{
- 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 *
-locale_alloc(char *outopts)
+locale_alloc(const struct manoutput *outopts)
+{
+
+ return ascii_init(TERMENC_LOCALE, outopts);
+}
+
+static void
+ascii_setwidth(struct termp *p, int iop, int width)
{
- return(ascii_init(TERMENC_LOCALE, outopts));
+ width /= 24;
+ 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;
+
+ p = (struct termp *)arg;
+ (*p->endline)(p);
+ for (i = 0; i < p->defrmargin; i++)
+ (*p->letter)(p, '-');
+ (*p->endline)(p);
+ (*p->endline)(p);
}
-/* ARGSUSED */
static size_t
ascii_width(const struct termp *p, int c)
{
-
- return(1);
+ return c != ASCII_BREAK;
}
void
term_free((struct termp *)arg);
}
-/* ARGSUSED */
static void
ascii_letter(struct termp *p, int c)
{
-
+
putchar(c);
}
(*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;
+ size_t i;
+ assert(len < UINT16_MAX);
for (i = 0; i < len; i++)
putchar(' ');
}
-/* ARGSUSED */
-static double
+static int
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):
- r = 4 * su->scale;
+ case SCALE_BU:
+ r = su->scale;
break;
- case (SCALE_IN):
- r = 10 * su->scale;
+ case SCALE_CM:
+ r = su->scale * 240.0 / 2.54;
break;
- case (SCALE_PC):
- r = (10 * su->scale) / 6;
+ case SCALE_FS:
+ r = su->scale * 65536.0;
break;
- case (SCALE_PT):
- r = (10 * su->scale) / 72;
+ case SCALE_IN:
+ r = su->scale * 240.0;
break;
- case (SCALE_MM):
- r = su->scale / 1000;
+ case SCALE_MM:
+ r = su->scale * 0.24;
break;
- case (SCALE_VS):
- r = su->scale * 2 - 1;
+ case SCALE_VS:
+ case SCALE_PC:
+ r = su->scale * 40.0;
break;
- default:
- r = su->scale;
+ case SCALE_PT:
+ 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", "-\bL", "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
-/* ARGSUSED */
+#if HAVE_WCHAR
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;
+ 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
git.ckatri.com / mandoc.git / blobdiff