X-Git-Url: https://git.cameronkatri.com/mandoc.git/blobdiff_plain/d7293bc22cd91ff63e04800adfed0982252d8574..90913383a1a42f4ed3816d5206553df9db14e839:/term_ascii.c

diff --git a/term_ascii.c b/term_ascii.c
index 5dbb196c..7abbb91f 100644
--- a/term_ascii.c
+++ b/term_ascii.c
@@ -1,92 +1,180 @@
-/*	$Id: term_ascii.c,v 1.5 2010/06/25 18:53:14 kristaps Exp $ */
+/*	$Id: term_ascii.c,v 1.45 2015/04/04 17:47:18 schwarze Exp $ */
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2014, 2015 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>
+#if HAVE_WCHAR
+#include <locale.h>
+#endif
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.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"
 
-static	void		  ascii_endline(struct termp *);
-static	void		  ascii_letter(struct termp *, char);
-static	void		  ascii_begin(struct termp *);
+static	struct termp	 *ascii_init(enum termenc, const struct mchars *,
+				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_begin(struct termp *);
 static	void		  ascii_end(struct termp *);
-static	size_t		  ascii_width(const struct termp *, char);
+static	void		  ascii_endline(struct termp *);
+static	void		  ascii_letter(struct termp *, int);
+static	void		  ascii_setwidth(struct termp *, int, int);
+
+#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
 
 
-void *
-ascii_alloc(char *outopts)
+static struct termp *
+ascii_init(enum termenc enc, const struct mchars *mchars,
+	const struct manoutput *outopts)
 {
-	struct termp	*p;
-	const char	*toks[2];
 	char		*v;
+	struct termp	*p;
 
-	if (NULL == (p = term_alloc(TERMENC_ASCII)))
-		return(NULL);
+	p = mandoc_calloc(1, sizeof(struct termp));
 
+	p->symtab = mchars;
 	p->tabwidth = 5;
-	p->defrmargin = 78;
+	p->defrmargin = p->lastrmargin = 78;
+	p->fontq = mandoc_reallocarray(NULL,
+	     (p->fontsz = 8), sizeof(enum termfont));
+	p->fontq[0] = p->fontl = TERMFONT_NONE;
 
-	p->type = TERMTYPE_CHAR;
-	p->letter = ascii_letter;
 	p->begin = ascii_begin;
 	p->end = ascii_end;
-	p->endline = ascii_endline;
+	p->hspan = ascii_hspan;
+	p->type = TERMTYPE_CHAR;
+
+	p->enc = TERMENC_ASCII;
 	p->advance = ascii_advance;
+	p->endline = ascii_endline;
+	p->letter = ascii_letter;
+	p->setwidth = ascii_setwidth;
 	p->width = ascii_width;
 
-	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 HAVE_WCHAR
+	if (TERMENC_ASCII != enc) {
+		v = TERMENC_LOCALE == enc ?
+		    setlocale(LC_ALL, "") :
+		    setlocale(LC_CTYPE, "en_US.UTF-8");
+		if (NULL != v && MB_CUR_MAX > 1) {
+			p->enc = enc;
+			p->advance = locale_advance;
+			p->endline = locale_endline;
+			p->letter = locale_letter;
+			p->width = locale_width;
 		}
+	}
+#endif
 
-	/* Enforce a lower boundary. */
-	if (p->defrmargin < 58)
-		p->defrmargin = 58;
+	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;
 
 	return(p);
 }
 
+void *
+ascii_alloc(const struct mchars *mchars, const struct manoutput *outopts)
+{
+
+	return(ascii_init(TERMENC_ASCII, mchars, outopts));
+}
+
+void *
+utf8_alloc(const struct mchars *mchars, const struct manoutput *outopts)
+{
+
+	return(ascii_init(TERMENC_UTF8, mchars, outopts));
+}
+
+void *
+locale_alloc(const struct mchars *mchars, const struct manoutput *outopts)
+{
+
+	return(ascii_init(TERMENC_LOCALE, mchars, outopts));
+}
+
+static void
+ascii_setwidth(struct termp *p, int iop, int width)
+{
+
+	width /= 24;
+	p->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;
+	p->lastrmargin = p->rmargin;
+	p->rmargin = p->maxrmargin = p->defrmargin;
+}
+
+void
+ascii_sepline(void *arg)
+{
+	struct termp	*p;
+	size_t		 i;
+
+	p = (struct termp *)arg;
+	putchar('\n');
+	for (i = 0; i < p->defrmargin; i++)
+		putchar('-');
+	putchar('\n');
+	putchar('\n');
+}
 
 static size_t
-ascii_width(const struct termp *p, char c)
+ascii_width(const struct termp *p, int c)
 {
 
 	return(1);
 }
 
-
 void
 ascii_free(void *arg)
 {
@@ -94,16 +182,13 @@ ascii_free(void *arg)
 	term_free((struct termp *)arg);
 }
 
-
-/* ARGSUSED */
 static void
-ascii_letter(struct termp *p, char c)
+ascii_letter(struct termp *p, int c)
 {
-	
+
 	putchar(c);
 }
 
-
 static void
 ascii_begin(struct termp *p)
 {
@@ -111,7 +196,6 @@ ascii_begin(struct termp *p)
 	(*p->headf)(p, p->argf);
 }
 
-
 static void
 ascii_end(struct termp *p)
 {
@@ -119,8 +203,6 @@ ascii_end(struct termp *p)
 	(*p->footf)(p, p->argf);
 }
 
-
-/* ARGSUSED */
 static void
 ascii_endline(struct termp *p)
 {
@@ -128,14 +210,166 @@ ascii_endline(struct termp *p)
 	putchar('\n');
 }
 
-
-/* ARGSUSED */
 static void
 ascii_advance(struct termp *p, size_t len)
 {
-	size_t	 	i;
+	size_t		i;
 
-	/* Just print whitespace on the terminal. */
 	for (i = 0; i < len; i++)
 		putchar(' ');
 }
+
+static int
+ascii_hspan(const struct termp *p, const struct roffsu *su)
+{
+	double		 r;
+
+	switch (su->unit) {
+	case SCALE_BU:
+		r = su->scale;
+		break;
+	case SCALE_CM:
+		r = su->scale * 240.0 / 2.54;
+		break;
+	case SCALE_FS:
+		r = su->scale * 65536.0;
+		break;
+	case SCALE_IN:
+		r = su->scale * 240.0;
+		break;
+	case SCALE_MM:
+		r = su->scale * 0.24;
+		break;
+	case SCALE_VS:
+		/* FALLTHROUGH */
+	case SCALE_PC:
+		r = su->scale * 40.0;
+		break;
+	case SCALE_PT:
+		r = su->scale * 10.0 / 3.0;
+		break;
+	case SCALE_EN:
+		/* FALLTHROUGH */
+	case SCALE_EM:
+		r = su->scale * 24.0;
+		break;
+	default:
+		abort();
+		/* NOTREACHED */
+	}
+	return(r > 0.0 ? r + 0.01 : r - 0.01);
+}
+
+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>",
+	"<99>",	"<99>",	"<9A>",	"<9B>",	"<9C>",	"<9D>",	"<9E>",	"<9F>",
+	nbrsp,	"!",	"/\bc",	"GBP",	"o\bx",	"=\bY",	"|",	"<sec>",
+	"\"",	"(C)",	"_\ba",	"<<",	"~",	"",	"(R)",	"-",
+	"<deg>","+-",	"2",	"3",	"'",	",\bu",	"<par>",".",
+	",",	"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",
+	"-\bD",	"~\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",
+	"d",	"~\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));
+}
+
+#if HAVE_WCHAR
+static size_t
+locale_width(const struct termp *p, int c)
+{
+	int		rc;
+
+	if (c == ASCII_NBRSP)
+		c = ' ';
+	rc = wcwidth(c);
+	if (rc < 0)
+		rc = 0;
+	return(rc);
+}
+
+static void
+locale_advance(struct termp *p, size_t len)
+{
+	size_t		i;
+
+	for (i = 0; i < len; i++)
+		putwchar(L' ');
+}
+
+static void
+locale_endline(struct termp *p)
+{
+
+	putwchar(L'\n');
+}
+
+static void
+locale_letter(struct termp *p, int c)
+{
+
+	putwchar(c);
+}
+#endif