[sgt/halibut] / bk_man.c

/*
 * man page backend for Halibut
 */

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "halibut.h"

static void man_text(FILE *, word *, int newline, int quote_props);
static void man_codepara(FILE *, word *);
static int man_convert(wchar_t *s, int maxlen,
		       char **result, int quote_props);

typedef struct {
    wchar_t *th;
    int headnumbers;
    int mindepth;
    char *filename;
} manconfig;

static manconfig man_configure(paragraph *source) {
    manconfig ret;

    /*
     * Defaults.
     */
    ret.th = NULL;
    ret.headnumbers = FALSE;
    ret.mindepth = 0;
    ret.filename = dupstr("output.1");

    for (; source; source = source->next) {
	if (source->type == para_Config) {
	    if (!ustricmp(source->keyword, L"man-identity")) {
		wchar_t *wp, *ep;

		wp = uadv(source->keyword);
		ep = wp;
		while (*ep)
		    ep = uadv(ep);
		sfree(ret.th);
		ret.th = mknewa(wchar_t, ep - wp + 1);
		memcpy(ret.th, wp, (ep - wp + 1) * sizeof(wchar_t));
	    } else if (!ustricmp(source->keyword, L"man-headnumbers")) {
		ret.headnumbers = utob(uadv(source->keyword));
	    } else if (!ustricmp(source->keyword, L"man-mindepth")) {
		ret.mindepth = utoi(uadv(source->keyword));
	    } else if (!ustricmp(source->keyword, L"man-filename")) {
		sfree(ret.filename);
		ret.filename = utoa_dup(uadv(source->keyword));
	    }
	}
    }

    return ret;
}

static void man_conf_cleanup(manconfig cf)
{
    sfree(cf.th);
    sfree(cf.filename);
}

paragraph *man_config_filename(char *filename)
{
    paragraph *p;
    wchar_t *ufilename, *up;
    int len;

    p = mknew(paragraph);
    memset(p, 0, sizeof(*p));
    p->type = para_Config;
    p->next = NULL;
    p->fpos.filename = "<command line>";
    p->fpos.line = p->fpos.col = -1;

    ufilename = ufroma_dup(filename);
    len = ustrlen(ufilename) + 2 + lenof(L"man-filename");
    p->keyword = mknewa(wchar_t, len);
    up = p->keyword;
    ustrcpy(up, L"man-filename");
    up = uadv(up);
    ustrcpy(up, ufilename);
    up = uadv(up);
    *up = L'\0';
    assert(up - p->keyword < len);
    sfree(ufilename);

    return p;
}

#define QUOTE_INITCTRL 1 /* quote initial . and ' on a line */
#define QUOTE_QUOTES   2 /* quote double quotes by doubling them */

void man_backend(paragraph *sourceform, keywordlist *keywords,
		 indexdata *idx, void *unused) {
    paragraph *p;
    FILE *fp;
    manconfig conf;

    IGNORE(unused);
    IGNORE(keywords);
    IGNORE(idx);

    conf = man_configure(sourceform);

    /*
     * Open the output file.
     */
    fp = fopen(conf.filename, "w");
    if (!fp) {
	error(err_cantopenw, conf.filename);
	return;
    }

    /* Do the version ID */
    for (p = sourceform; p; p = p->next)
	if (p->type == para_VersionID) {
	    fprintf(fp, ".\\\" ");
	    man_text(fp, p->words, TRUE, 0);
	}

    /* .TH name-of-program manual-section */
    fprintf(fp, ".TH");
    if (conf.th && *conf.th) {
	char *c;
	wchar_t *wp;

	for (wp = conf.th; *wp; wp = uadv(wp)) {
	    fputs(" \"", fp);
	    man_convert(wp, 0, &c, QUOTE_QUOTES);
	    fputs(c, fp);
	    sfree(c);
	    fputc('"', fp);
	}
    }
    fputc('\n', fp);

    fprintf(fp, ".UC\n");

    for (p = sourceform; p; p = p->next) switch (p->type) {
	/*
	 * Things we ignore because we've already processed them or
	 * aren't going to touch them in this pass.
	 */
      case para_IM:
      case para_BR:
      case para_Biblio:		       /* only touch BiblioCited */
      case para_VersionID:
      case para_NoCite:
      case para_Title:
	break;

	/*
	 * Headings.
	 */
      case para_Chapter:
      case para_Appendix:
      case para_UnnumberedChapter:
      case para_Heading:
      case para_Subsect:

	{
	    int depth;
	    if (p->type == para_Subsect)
		depth = p->aux + 2;
	    else if (p->type == para_Heading)
		depth = 1;
	    else
		depth = 0;
	    if (depth >= conf.mindepth) {
		fprintf(fp, ".SH \"");
		if (conf.headnumbers && p->kwtext) {
		    man_text(fp, p->kwtext, FALSE, QUOTE_QUOTES);
		    fprintf(fp, " ");
		}
		man_text(fp, p->words, FALSE, QUOTE_QUOTES);
		fprintf(fp, "\"\n");
	    }
	    break;
	}

	/*
	 * Code paragraphs.
	 */
      case para_Code:
	fprintf(fp, ".PP\n");
	man_codepara(fp, p->words);
	break;

	/*
	 * Normal paragraphs.
	 */
      case para_Normal:
      case para_Copyright:
	fprintf(fp, ".PP\n");
	man_text(fp, p->words, TRUE, 0);
	break;

	/*
	 * List paragraphs.
	 */
      case para_Description:
      case para_BiblioCited:
      case para_Bullet:
      case para_NumberedList:
	if (p->type == para_Bullet) {
	    fprintf(fp, ".IP \"\\fBo\\fP\"\n");   /* FIXME: configurable? */
	} else if (p->type == para_NumberedList) {
	    fprintf(fp, ".IP \"");
	    man_text(fp, p->kwtext, FALSE, QUOTE_QUOTES);
	    fprintf(fp, "\"\n");
	} else if (p->type == para_Description) {
	    /*
	     * Do nothing; the .xP for this paragraph is the .IP
	     * which has come before it in the DescribedThing.
	     */
	} else if (p->type == para_BiblioCited) {
	    fprintf(fp, ".IP \"");
	    man_text(fp, p->kwtext, FALSE, QUOTE_QUOTES);
	    fprintf(fp, "\"\n");
	}
	man_text(fp, p->words, TRUE, 0);
	break;

      case para_DescribedThing:
	fprintf(fp, ".IP \"");
	man_text(fp, p->words, FALSE, QUOTE_QUOTES);
	fprintf(fp, "\"\n");
	break;

      case para_Rule:
	/*
	 * This isn't terribly good. Anyone who wants to do better
	 * should feel free!
	 */
	fprintf(fp, ".PP\n----------------------------------------\n");
	break;

      case para_LcontPush:
      case para_QuotePush:
	fprintf(fp, ".RS\n");
      	break;
      case para_LcontPop:
      case para_QuotePop:
	fprintf(fp, ".RE\n");
	break;
    }

    /*
     * Tidy up.
     */
    fclose(fp);
    man_conf_cleanup(conf);
}

/*
 * Convert a wide string into a string of chars. If `result' is
 * non-NULL, mallocs the resulting string and stores a pointer to
 * it in `*result'. If `result' is NULL, merely checks whether all
 * characters in the string are feasible for the output character
 * set.
 *
 * Return is nonzero if all characters are OK. If not all
 * characters are OK but `result' is non-NULL, a result _will_
 * still be generated!
 * 
 * FIXME: Here is probably also a good place to do escaping sorts
 * of things. I know I at least need to escape backslash, and full
 * stops at the starts of words are probably trouble as well.
 */
static int man_convert(wchar_t *s, int maxlen,
		       char **result, int quote_props) {
    /*
     * FIXME. Currently this is ISO8859-1 only.
     */
    int doing = (result != 0);
    int ok = TRUE;
    char *p = NULL;
    int plen = 0, psize = 0;

    if (maxlen <= 0)
	maxlen = -1;

    for (; *s && maxlen != 0; s++, maxlen--) {
	wchar_t c = *s;
	char outc;

	if ((c >= 32 && c <= 126) ||
	    (c >= 160 && c <= 255)) {
	    /* Char is OK. */
	    outc = (char)c;
	} else {
	    /* Char is not OK. */
	    ok = FALSE;
	    outc = 0xBF;	       /* approximate the good old DEC `uh?' */
	}
	if (doing) {
	    if (plen+3 >= psize) {
		psize = plen + 256;
		p = resize(p, psize);
	    }
	    if (plen == 0 && (outc == '.' || outc == '\'') &&
		(quote_props & QUOTE_INITCTRL)) {
		/*
		 * Control character (. or ') at the start of a
		 * line. Quote it by putting \& (troff zero-width
		 * space) before it.
		 */
		p[plen++] = '\\';
		p[plen++] = '&';
	    } else if (outc == '\\') {
		/*
		 * Quote backslashes by doubling them, always.
		 */
		p[plen++] = '\\';
	    } else if (outc == '"' && (quote_props & QUOTE_QUOTES)) {
		/*
		 * Double quote within double quotes. Quote it by
		 * doubling.
		 */
		p[plen++] = '"';
	    }
	    p[plen++] = outc;
	}
    }
    if (doing) {
	p = resize(p, plen+1);
	p[plen] = '\0';
	*result = p;
    }
    return ok;
}

static void man_rdaddwc(rdstringc *rs, word *text, word *end,
			int quote_props) {
    char *c;

    for (; text && text != end; text = text->next) switch (text->type) {
      case word_HyperLink:
      case word_HyperEnd:
      case word_UpperXref:
      case word_LowerXref:
      case word_XrefEnd:
      case word_IndexRef:
	break;

      case word_Normal:
      case word_Emph:
      case word_Code:
      case word_WeakCode:
      case word_WhiteSpace:
      case word_EmphSpace:
      case word_CodeSpace:
      case word_WkCodeSpace:
      case word_Quote:
      case word_EmphQuote:
      case word_CodeQuote:
      case word_WkCodeQuote:
	assert(text->type != word_CodeQuote &&
	       text->type != word_WkCodeQuote);
	if (towordstyle(text->type) == word_Emph &&
	    (attraux(text->aux) == attr_First ||
	     attraux(text->aux) == attr_Only))
	    rdaddsc(rs, "\\fI");
	else if ((towordstyle(text->type) == word_Code ||
		  towordstyle(text->type) == word_WeakCode) &&
		 (attraux(text->aux) == attr_First ||
		  attraux(text->aux) == attr_Only))
	    rdaddsc(rs, "\\fB");
	if (removeattr(text->type) == word_Normal) {
	    if (rs->pos > 0)
		quote_props &= ~QUOTE_INITCTRL;   /* not at start any more */
	    if (man_convert(text->text, 0, &c, quote_props) || !text->alt)
		rdaddsc(rs, c);
	    else
		man_rdaddwc(rs, text->alt, NULL, quote_props);
	    sfree(c);
	} else if (removeattr(text->type) == word_WhiteSpace) {
	    rdaddc(rs, ' ');
	} else if (removeattr(text->type) == word_Quote) {
	    rdaddc(rs, '"');
	    if (quote_props & QUOTE_QUOTES)
		rdaddc(rs, '"');
	}
	if (towordstyle(text->type) == word_Emph &&
	    (attraux(text->aux) == attr_Last ||
	     attraux(text->aux) == attr_Only))
	    rdaddsc(rs, "\\fP");
	else if ((towordstyle(text->type) == word_Code ||
		  towordstyle(text->type) == word_WeakCode) &&
		 (attraux(text->aux) == attr_Last ||
		  attraux(text->aux) == attr_Only))
	    rdaddsc(rs, "\\fP");
	break;
    }
}

static void man_text(FILE *fp, word *text, int newline, int quote_props) {
    rdstringc t = { 0, 0, NULL };

    man_rdaddwc(&t, text, NULL, quote_props | QUOTE_INITCTRL);
    fprintf(fp, "%s", t.text);
    sfree(t.text);
    if (newline)
	fputc('\n', fp);
}

static void man_codepara(FILE *fp, word *text) {
    fprintf(fp, ".nf\n");
    for (; text; text = text->next) if (text->type == word_WeakCode) {
	char *c;
	wchar_t *t, *e;
	int quote_props = QUOTE_INITCTRL;

	t = text->text;
	if (text->next && text->next->type == word_Emph) {
	    e = text->next->text;
	    text = text->next;
	} else
	    e = NULL;

	while (e && *e && *t) {
	    int n;
	    int ec = *e;

	    for (n = 0; t[n] && e[n] && e[n] == ec; n++);
	    if (ec == 'i')
		fprintf(fp, "\\fI");
	    else if (ec == 'b')
		fprintf(fp, "\\fB");
	    man_convert(t, n, &c, quote_props);
	    quote_props &= ~QUOTE_INITCTRL;
	    fprintf(fp, "%s", c);
	    sfree(c);
	    if (ec == 'i' || ec == 'b')
		fprintf(fp, "\\fP");
	    t += n;
	    e += n;
	}
	man_convert(t, 0, &c, quote_props);
	fprintf(fp, "%s\n", c);
	sfree(c);
    }
    fprintf(fp, ".fi\n");
}
Commit	Line	Data
7136a6c7	1	/*
	2	* man page backend for Halibut
	3	*/
	4
	5	#include <stdio.h>
	6	#include <stdlib.h>
	7	#include <assert.h>
	8	#include "halibut.h"
	9
	10	static void man_text(FILE , word , int newline, int quote_props);
	11	static void man_codepara(FILE , word );
4b3c5afb	12	static int man_convert(wchar_t *s, int maxlen,
	13	char **result, int quote_props);
	14
	15	typedef struct {
	16	wchar_t *th;
	17	int headnumbers;
	18	int mindepth;
50d6b4bd	19	char *filename;
4b3c5afb	20	} manconfig;
	21
	22	static manconfig man_configure(paragraph *source) {
	23	manconfig ret;
	24
	25	/*
	26	* Defaults.
	27	*/
	28	ret.th = NULL;
	29	ret.headnumbers = FALSE;
	30	ret.mindepth = 0;
50d6b4bd	31	ret.filename = dupstr("output.1");
4b3c5afb	32
	33	for (; source; source = source->next) {
	34	if (source->type == para_Config) {
	35	if (!ustricmp(source->keyword, L"man-identity")) {
	36	wchar_t wp, ep;
	37
	38	wp = uadv(source->keyword);
	39	ep = wp;
	40	while (*ep)
	41	ep = uadv(ep);
50d6b4bd	42	sfree(ret.th);
4b3c5afb	43	ret.th = mknewa(wchar_t, ep - wp + 1);
	44	memcpy(ret.th, wp, (ep - wp + 1) * sizeof(wchar_t));
	45	} else if (!ustricmp(source->keyword, L"man-headnumbers")) {
	46	ret.headnumbers = utob(uadv(source->keyword));
	47	} else if (!ustricmp(source->keyword, L"man-mindepth")) {
	48	ret.mindepth = utoi(uadv(source->keyword));
50d6b4bd	49	} else if (!ustricmp(source->keyword, L"man-filename")) {
	50	sfree(ret.filename);
	51	ret.filename = utoa_dup(uadv(source->keyword));
4b3c5afb	52	}
	53	}
	54	}
	55
	56	return ret;
	57	}
	58
	59	static void man_conf_cleanup(manconfig cf)
	60	{
	61	sfree(cf.th);
50d6b4bd	62	sfree(cf.filename);
4b3c5afb	63	}
7136a6c7	64
ba9c1487	65	paragraph man_config_filename(char filename)
	66	{
	67	paragraph *p;
	68	wchar_t ufilename, up;
	69	int len;
	70
	71	p = mknew(paragraph);
	72	memset(p, 0, sizeof(*p));
	73	p->type = para_Config;
	74	p->next = NULL;
	75	p->fpos.filename = "<command line>";
	76	p->fpos.line = p->fpos.col = -1;
	77
	78	ufilename = ufroma_dup(filename);
	79	len = ustrlen(ufilename) + 2 + lenof(L"man-filename");
	80	p->keyword = mknewa(wchar_t, len);
	81	up = p->keyword;
	82	ustrcpy(up, L"man-filename");
	83	up = uadv(up);
	84	ustrcpy(up, ufilename);
	85	up = uadv(up);
	86	*up = L'\0';
	87	assert(up - p->keyword < len);
	88	sfree(ufilename);
	89
	90	return p;
	91	}
	92
7136a6c7	93	#define QUOTE_INITCTRL 1 /* quote initial . and ' on a line */
	94	#define QUOTE_QUOTES 2 /* quote double quotes by doubling them */
	95
	96	void man_backend(paragraph sourceform, keywordlist keywords,
43341922	97	indexdata idx, void unused) {
7136a6c7	98	paragraph *p;
7136a6c7	99	FILE *fp;
4b3c5afb	100	manconfig conf;
7136a6c7	101
43341922	102	IGNORE(unused);
	103	IGNORE(keywords);
	104	IGNORE(idx);
7136a6c7	105
4b3c5afb	106	conf = man_configure(sourceform);
4b3c5afb	107
7136a6c7	108	/*
50d6b4bd	109	* Open the output file.
7136a6c7	110	*/
50d6b4bd	111	fp = fopen(conf.filename, "w");
7136a6c7	112	if (!fp) {
50d6b4bd	113	error(err_cantopenw, conf.filename);
7136a6c7	114	return;
	115	}
	116
	117	/* Do the version ID */
	118	for (p = sourceform; p; p = p->next)
	119	if (p->type == para_VersionID) {
	120	fprintf(fp, ".\\\" ");
	121	man_text(fp, p->words, TRUE, 0);
	122	}
	123
4b3c5afb	124	/* .TH name-of-program manual-section */
22905f72	125	fprintf(fp, ".TH");
22905f72	126	if (conf.th && *conf.th) {
4b3c5afb	127	char *c;
22905f72	128	wchar_t *wp;
	129
	130	for (wp = conf.th; *wp; wp = uadv(wp)) {
	131	fputs(" \"", fp);
	132	man_convert(wp, 0, &c, QUOTE_QUOTES);
	133	fputs(c, fp);
	134	sfree(c);
	135	fputc('"', fp);
4b3c5afb	136	}
4b3c5afb	137	}
22905f72	138	fputc('\n', fp);
7136a6c7	139
	140	fprintf(fp, ".UC\n");
	141
7136a6c7	142	for (p = sourceform; p; p = p->next) switch (p->type) {
	143	/*
	144	* Things we ignore because we've already processed them or
	145	* aren't going to touch them in this pass.
	146	*/
	147	case para_IM:
	148	case para_BR:
	149	case para_Biblio: /* only touch BiblioCited */
	150	case para_VersionID:
7136a6c7	151	case para_NoCite:
	152	case para_Title:
	153	break;
	154
	155	/*
	156	* Headings.
	157	*/
	158	case para_Chapter:
	159	case para_Appendix:
	160	case para_UnnumberedChapter:
	161	case para_Heading:
	162	case para_Subsect:
8902e0ed	163
4b3c5afb	164	{
	165	int depth;
	166	if (p->type == para_Subsect)
	167	depth = p->aux + 2;
	168	else if (p->type == para_Heading)
	169	depth = 1;
	170	else
	171	depth = 0;
	172	if (depth >= conf.mindepth) {
	173	fprintf(fp, ".SH \"");
	174	if (conf.headnumbers && p->kwtext) {
	175	man_text(fp, p->kwtext, FALSE, QUOTE_QUOTES);
	176	fprintf(fp, " ");
	177	}
	178	man_text(fp, p->words, FALSE, QUOTE_QUOTES);
	179	fprintf(fp, "\"\n");
	180	}
	181	break;
	182	}
7136a6c7	183
	184	/*
	185	* Code paragraphs.
	186	*/
	187	case para_Code:
	188	fprintf(fp, ".PP\n");
	189	man_codepara(fp, p->words);
	190	break;
	191
	192	/*
	193	* Normal paragraphs.
	194	*/
	195	case para_Normal:
9057a0a8	196	case para_Copyright:
7136a6c7	197	fprintf(fp, ".PP\n");
	198	man_text(fp, p->words, TRUE, 0);
	199	break;
	200
	201	/*
	202	* List paragraphs.
	203	*/
	204	case para_Description:
	205	case para_BiblioCited:
	206	case para_Bullet:
	207	case para_NumberedList:
	208	if (p->type == para_Bullet) {
	209	fprintf(fp, ".IP \"\\fBo\\fP\"\n"); /* FIXME: configurable? */
	210	} else if (p->type == para_NumberedList) {
	211	fprintf(fp, ".IP \"");
	212	man_text(fp, p->kwtext, FALSE, QUOTE_QUOTES);
	213	fprintf(fp, "\"\n");
	214	} else if (p->type == para_Description) {
	215	/*
	216	* Do nothing; the .xP for this paragraph is the .IP
	217	* which has come before it in the DescribedThing.
	218	*/
	219	} else if (p->type == para_BiblioCited) {
	220	fprintf(fp, ".IP \"");
	221	man_text(fp, p->kwtext, FALSE, QUOTE_QUOTES);
	222	fprintf(fp, "\"\n");
	223	}
	224	man_text(fp, p->words, TRUE, 0);
	225	break;
	226
	227	case para_DescribedThing:
	228	fprintf(fp, ".IP \"");
	229	man_text(fp, p->words, FALSE, QUOTE_QUOTES);
	230	fprintf(fp, "\"\n");
	231	break;
	232
	233	case para_Rule:
	234	/*
4b3c5afb	235	* This isn't terribly good. Anyone who wants to do better
4b3c5afb	236	* should feel free!
7136a6c7	237	*/
4b3c5afb	238	fprintf(fp, ".PP\n----------------------------------------\n");
7136a6c7	239	break;
	240
	241	case para_LcontPush:
2614b01d	242	case para_QuotePush:
7136a6c7	243	fprintf(fp, ".RS\n");
	244	break;
	245	case para_LcontPop:
2614b01d	246	case para_QuotePop:
7136a6c7	247	fprintf(fp, ".RE\n");
	248	break;
	249	}
	250
	251	/*
	252	* Tidy up.
	253	*/
	254	fclose(fp);
4b3c5afb	255	man_conf_cleanup(conf);
7136a6c7	256	}
	257
	258	/*
	259	* Convert a wide string into a string of chars. If `result' is
	260	* non-NULL, mallocs the resulting string and stores a pointer to
	261	* it in `*result'. If `result' is NULL, merely checks whether all
	262	* characters in the string are feasible for the output character
	263	* set.
	264	*
	265	* Return is nonzero if all characters are OK. If not all
	266	* characters are OK but `result' is non-NULL, a result _will_
	267	* still be generated!
	268	*
	269	* FIXME: Here is probably also a good place to do escaping sorts
	270	* of things. I know I at least need to escape backslash, and full
	271	* stops at the starts of words are probably trouble as well.
	272	*/
4b3c5afb	273	static int man_convert(wchar_t *s, int maxlen,
4b3c5afb	274	char **result, int quote_props) {
7136a6c7	275	/*
	276	* FIXME. Currently this is ISO8859-1 only.
	277	*/
	278	int doing = (result != 0);
	279	int ok = TRUE;
	280	char *p = NULL;
	281	int plen = 0, psize = 0;
	282
4b3c5afb	283	if (maxlen <= 0)
	284	maxlen = -1;
	285
	286	for (; *s && maxlen != 0; s++, maxlen--) {
7136a6c7	287	wchar_t c = *s;
	288	char outc;
	289
	290	if ((c >= 32 && c <= 126) \|\|
	291	(c >= 160 && c <= 255)) {
	292	/* Char is OK. */
	293	outc = (char)c;
	294	} else {
	295	/* Char is not OK. */
	296	ok = FALSE;
	297	outc = 0xBF; /* approximate the good old DEC `uh?' */
	298	}
	299	if (doing) {
	300	if (plen+3 >= psize) {
	301	psize = plen + 256;
	302	p = resize(p, psize);
	303	}
	304	if (plen == 0 && (outc == '.' \|\| outc == '\'') &&
	305	(quote_props & QUOTE_INITCTRL)) {
	306	/*
	307	* Control character (. or ') at the start of a
	308	* line. Quote it by putting \& (troff zero-width
	309	* space) before it.
	310	*/
	311	p[plen++] = '\\';
	312	p[plen++] = '&';
	313	} else if (outc == '\\') {
	314	/*
	315	* Quote backslashes by doubling them, always.
	316	*/
	317	p[plen++] = '\\';
	318	} else if (outc == '"' && (quote_props & QUOTE_QUOTES)) {
	319	/*
	320	* Double quote within double quotes. Quote it by
	321	* doubling.
	322	*/
	323	p[plen++] = '"';
	324	}
	325	p[plen++] = outc;
	326	}
	327	}
	328	if (doing) {
	329	p = resize(p, plen+1);
	330	p[plen] = '\0';
	331	*result = p;
	332	}
	333	return ok;
	334	}
	335
	336	static void man_rdaddwc(rdstringc rs, word text, word *end,
	337	int quote_props) {
	338	char *c;
	339
	340	for (; text && text != end; text = text->next) switch (text->type) {
	341	case word_HyperLink:
	342	case word_HyperEnd:
	343	case word_UpperXref:
	344	case word_LowerXref:
	345	case word_XrefEnd:
	346	case word_IndexRef:
	347	break;
	348
	349	case word_Normal:
	350	case word_Emph:
351	case word_Code:
352	case word_WeakCode:
353	case word_WhiteSpace:
354	case word_EmphSpace:
355	case word_CodeSpace:
356	case word_WkCodeSpace:
357	case word_Quote:
358	case word_EmphQuote:
359	case word_CodeQuote:
360	case word_WkCodeQuote:
361	assert(text->type != word_CodeQuote &&
362	text->type != word_WkCodeQuote);
363	if (towordstyle(text->type) == word_Emph &&
364	(attraux(text->aux) == attr_First \|\|
365	attraux(text->aux) == attr_Only))
366	rdaddsc(rs, "\\fI");
4b3c5afb	367	else if ((towordstyle(text->type) == word_Code \|\|
4b3c5afb	368	towordstyle(text->type) == word_WeakCode) &&
7136a6c7	369	(attraux(text->aux) == attr_First \|\|
	370	attraux(text->aux) == attr_Only))
	371	rdaddsc(rs, "\\fB");
	372	if (removeattr(text->type) == word_Normal) {
	373	if (rs->pos > 0)
	374	quote_props &= ~QUOTE_INITCTRL; /* not at start any more */
12efc259	375	if (man_convert(text->text, 0, &c, quote_props) \|\| !text->alt)
7136a6c7	376	rdaddsc(rs, c);
	377	else
	378	man_rdaddwc(rs, text->alt, NULL, quote_props);
	379	sfree(c);
	380	} else if (removeattr(text->type) == word_WhiteSpace) {
	381	rdaddc(rs, ' ');
	382	} else if (removeattr(text->type) == word_Quote) {
4b3c5afb	383	rdaddc(rs, '"');
	384	if (quote_props & QUOTE_QUOTES)
	385	rdaddc(rs, '"');
7136a6c7	386	}
	387	if (towordstyle(text->type) == word_Emph &&
	388	(attraux(text->aux) == attr_Last \|\|
	389	attraux(text->aux) == attr_Only))
	390	rdaddsc(rs, "\\fP");
4b3c5afb	391	else if ((towordstyle(text->type) == word_Code \|\|
4b3c5afb	392	towordstyle(text->type) == word_WeakCode) &&
7136a6c7	393	(attraux(text->aux) == attr_Last \|\|
	394	attraux(text->aux) == attr_Only))
	395	rdaddsc(rs, "\\fP");
	396	break;
	397	}
	398	}
	399
	400	static void man_text(FILE fp, word text, int newline, int quote_props) {
	401	rdstringc t = { 0, 0, NULL };
	402
	403	man_rdaddwc(&t, text, NULL, quote_props \| QUOTE_INITCTRL);
	404	fprintf(fp, "%s", t.text);
	405	sfree(t.text);
	406	if (newline)
	407	fputc('\n', fp);
	408	}
	409
	410	static void man_codepara(FILE fp, word text) {
	411	fprintf(fp, ".nf\n");
	412	for (; text; text = text->next) if (text->type == word_WeakCode) {
	413	char *c;
4b3c5afb	414	wchar_t t, e;
	415	int quote_props = QUOTE_INITCTRL;
	416
	417	t = text->text;
	418	if (text->next && text->next->type == word_Emph) {
	419	e = text->next->text;
	420	text = text->next;
	421	} else
	422	e = NULL;
	423
	424	while (e && e && t) {
	425	int n;
	426	int ec = *e;
	427
	428	for (n = 0; t[n] && e[n] && e[n] == ec; n++);
	429	if (ec == 'i')
	430	fprintf(fp, "\\fI");
	431	else if (ec == 'b')
	432	fprintf(fp, "\\fB");
	433	man_convert(t, n, &c, quote_props);
	434	quote_props &= ~QUOTE_INITCTRL;
	435	fprintf(fp, "%s", c);
	436	sfree(c);
	437	if (ec == 'i' \|\| ec == 'b')
	438	fprintf(fp, "\\fP");
	439	t += n;
	440	e += n;
	441	}
	442	man_convert(t, 0, &c, quote_props);
7136a6c7	443	fprintf(fp, "%s\n", c);
	444	sfree(c);
	445	}
	446	fprintf(fp, ".fi\n");
	447	}