-/* $Id: mdoc_term.c,v 1.212 2011/01/25 15:28:56 kristaps Exp $ */
+/* $Id: mdoc_term.c,v 1.243 2012/07/11 16:57:43 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010, 2012 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
#include "out.h"
#include "term.h"
#include "mdoc.h"
-#include "chars.h"
#include "main.h"
-#define INDENT 5
-#define HALFINDENT 3
-
struct termpair {
struct termpair *ppair;
int count;
static void termp_bd_post(DECL_ARGS);
static void termp_bk_post(DECL_ARGS);
static void termp_bl_post(DECL_ARGS);
-static void termp_d1_post(DECL_ARGS);
+static void termp_fd_post(DECL_ARGS);
static void termp_fo_post(DECL_ARGS);
static void termp_in_post(DECL_ARGS);
static void termp_it_post(DECL_ARGS);
{ termp_sh_pre, termp_sh_post }, /* Sh */
{ termp_ss_pre, termp_ss_post }, /* Ss */
{ termp_sp_pre, NULL }, /* Pp */
- { termp_d1_pre, termp_d1_post }, /* D1 */
- { termp_d1_pre, termp_d1_post }, /* Dl */
+ { termp_d1_pre, termp_bl_post }, /* D1 */
+ { termp_d1_pre, termp_bl_post }, /* Dl */
{ termp_bd_pre, termp_bd_post }, /* Bd */
{ NULL, NULL }, /* Ed */
{ termp_bl_pre, termp_bl_post }, /* Bl */
{ NULL, NULL }, /* Ev */
{ termp_ex_pre, NULL }, /* Ex */
{ termp_fa_pre, NULL }, /* Fa */
- { termp_fd_pre, NULL }, /* Fd */
+ { termp_fd_pre, termp_fd_post }, /* Fd */
{ termp_fl_pre, NULL }, /* Fl */
{ termp_fn_pre, NULL }, /* Fn */
{ termp_ft_pre, NULL }, /* Ft */
{ NULL, NULL }, /* Ec */ /* FIXME: no space */
{ NULL, NULL }, /* Ef */
{ termp_under_pre, NULL }, /* Em */
- { NULL, NULL }, /* Eo */
+ { termp_quote_pre, termp_quote_post }, /* Eo */
{ termp_xx_pre, NULL }, /* Fx */
{ termp_bold_pre, NULL }, /* Ms */
{ termp_igndelim_pre, NULL }, /* No */
{ NULL, termp____post }, /* %Q */
{ termp_sp_pre, NULL }, /* br */
{ termp_sp_pre, NULL }, /* sp */
- { termp_under_pre, termp____post }, /* %U */
+ { NULL, termp____post }, /* %U */
{ NULL, NULL }, /* Ta */
};
p = (struct termp *)arg;
+ if (0 == p->defindent)
+ p->defindent = 5;
+
p->overstep = 0;
p->maxrmargin = p->defrmargin;
p->tabwidth = term_len(p, 5);
if (NULL == p->symtab)
- switch (p->enc) {
- case (TERMENC_ASCII):
- p->symtab = chars_init(CHARS_ASCII);
- break;
- default:
- abort();
- /* NOTREACHED */
- }
+ p->symtab = mchars_alloc();
n = mdoc_node(mdoc);
m = mdoc_meta(mdoc);
memset(&npair, 0, sizeof(struct termpair));
npair.ppair = pair;
-
- switch (n->type) {
- case (MDOC_TEXT):
- if (' ' == *n->string && MDOC_LINE & n->flags)
- term_newln(p);
- term_word(p, n->string);
- break;
- case (MDOC_TBL):
- term_tbl(p, n->span);
- break;
- default:
- if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
- chld = (*termacts[n->tok].pre)
- (p, &npair, m, n);
- break;
- }
/*
* Keeps only work until the end of a line. If a keep was
(n->parent && MDOC_SYNPRETTY & n->parent->flags)))
p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
+ /*
+ * After the keep flags have been set up, we may now
+ * produce output. Note that some pre-handlers do so.
+ */
+
+ switch (n->type) {
+ case (MDOC_TEXT):
+ if (' ' == *n->string && MDOC_LINE & n->flags)
+ term_newln(p);
+ if (MDOC_DELIMC & n->flags)
+ p->flags |= TERMP_NOSPACE;
+ term_word(p, n->string);
+ if (MDOC_DELIMO & n->flags)
+ p->flags |= TERMP_NOSPACE;
+ break;
+ case (MDOC_EQN):
+ term_eqn(p, n->eqn);
+ break;
+ case (MDOC_TBL):
+ term_tbl(p, n->span);
+ break;
+ default:
+ if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
+ chld = (*termacts[n->tok].pre)
+ (p, &npair, m, n);
+ break;
+ }
+
if (chld && n->child)
print_mdoc_nodelist(p, &npair, m, n->child);
break;
case (MDOC_TBL):
break;
+ case (MDOC_EQN):
+ break;
default:
if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
break;
static void
print_mdoc_foot(struct termp *p, const void *arg)
{
- char buf[DATESIZ], os[BUFSIZ];
const struct mdoc_meta *m;
m = (const struct mdoc_meta *)arg;
* SYSTEM DATE SYSTEM
*/
- time2a(m->date, buf, DATESIZ);
- strlcpy(os, m->os, BUFSIZ);
-
term_vspace(p);
p->offset = 0;
p->rmargin = (p->maxrmargin -
- term_strlen(p, buf) + term_len(p, 1)) / 2;
+ term_strlen(p, m->date) + term_len(p, 1)) / 2;
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
- term_word(p, os);
+ term_word(p, m->os);
term_flushln(p);
p->offset = p->rmargin;
- p->rmargin = p->maxrmargin - term_strlen(p, os);
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ p->rmargin = p->maxrmargin - term_strlen(p, m->os);
+ p->flags |= TERMP_NOSPACE;
- term_word(p, buf);
+ term_word(p, m->date);
term_flushln(p);
p->offset = p->rmargin;
p->rmargin = p->maxrmargin;
p->flags &= ~TERMP_NOBREAK;
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ p->flags |= TERMP_NOSPACE;
- term_word(p, os);
+ term_word(p, m->os);
term_flushln(p);
p->offset = 0;
print_mdoc_head(struct termp *p, const void *arg)
{
char buf[BUFSIZ], title[BUFSIZ];
+ size_t buflen, titlen;
const struct mdoc_meta *m;
m = (const struct mdoc_meta *)arg;
- p->rmargin = p->maxrmargin;
- p->offset = 0;
-
/*
* The header is strange. It has three components, which are
* really two with the first duplicated. It goes like this:
* switches on the manual section.
*/
+ p->offset = 0;
+ p->rmargin = p->maxrmargin;
+
assert(m->vol);
strlcpy(buf, m->vol, BUFSIZ);
+ buflen = term_strlen(p, buf);
if (m->arch) {
strlcat(buf, " (", BUFSIZ);
}
snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
+ titlen = term_strlen(p, title);
- p->offset = 0;
- p->rmargin = (p->maxrmargin -
- term_strlen(p, buf) + term_len(p, 1)) / 2;
p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
+ p->offset = 0;
+ p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
+ (p->maxrmargin -
+ term_strlen(p, buf) + term_len(p, 1)) / 2 :
+ p->maxrmargin - buflen;
term_word(p, title);
term_flushln(p);
+ p->flags |= TERMP_NOSPACE;
p->offset = p->rmargin;
- p->rmargin = p->maxrmargin - term_strlen(p, title);
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
+ p->maxrmargin - titlen : p->maxrmargin;
term_word(p, buf);
term_flushln(p);
- p->offset = p->rmargin;
- p->rmargin = p->maxrmargin;
p->flags &= ~TERMP_NOBREAK;
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
-
- term_word(p, title);
- term_flushln(p);
+ if (p->rmargin + titlen <= p->maxrmargin) {
+ p->flags |= TERMP_NOSPACE;
+ p->offset = p->rmargin;
+ p->rmargin = p->maxrmargin;
+ term_word(p, title);
+ term_flushln(p);
+ }
+ p->flags &= ~TERMP_NOSPACE;
p->offset = 0;
p->rmargin = p->maxrmargin;
- p->flags &= ~TERMP_NOSPACE;
}
{
struct roffsu su;
+
assert(v);
if ( ! a2roffsu(v, &su, SCALE_VS))
- SCALE_VS_INIT(&su, term_len(p, 1));
+ SCALE_VS_INIT(&su, atoi(v));
return(term_vspan(p, &su));
}
else if (0 == strcmp(v, "left"))
return(0);
else if (0 == strcmp(v, "indent"))
- return(term_len(p, INDENT + 1));
+ return(term_len(p, p->defindent + 1));
else if (0 == strcmp(v, "indent-two"))
- return(term_len(p, (INDENT + 1) * 2));
+ return(term_len(p, (p->defindent + 1) * 2));
else if ( ! a2roffsu(v, &su, SCALE_MAX))
SCALE_HS_INIT(&su, term_strlen(p, v));
{
const struct mdoc_node *nn;
+ assert(n);
+
term_newln(p);
if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
case (LIST_dash):
/* FALLTHROUGH */
case (LIST_hyphen):
- if (width < term_len(p, 4))
- width = term_len(p, 4);
- break;
+ /* FALLTHROUGH */
case (LIST_enum):
- if (width < term_len(p, 5))
- width = term_len(p, 5);
+ if (width < term_len(p, 2))
+ width = term_len(p, 2);
break;
case (LIST_hang):
if (0 == width)
*/
switch (type) {
+ case (LIST_enum):
+ /*
+ * Weird special case.
+ * Very narrow enum lists actually hang.
+ */
+ if (width == term_len(p, 2))
+ p->flags |= TERMP_HANG;
+ /* FALLTHROUGH */
case (LIST_bullet):
/* FALLTHROUGH */
case (LIST_dash):
/* FALLTHROUGH */
- case (LIST_enum):
- /* FALLTHROUGH */
case (LIST_hyphen):
if (MDOC_HEAD == n->type)
p->flags |= TERMP_NOBREAK;
- else
- p->flags |= TERMP_NOLPAD;
break;
case (LIST_hang):
if (MDOC_HEAD == n->type)
p->flags |= TERMP_NOBREAK;
else
- p->flags |= TERMP_NOLPAD;
-
- if (MDOC_HEAD != n->type)
break;
/*
*/
if (n->next->child &&
(MDOC_Bl == n->next->child->tok ||
- MDOC_Bd == n->next->child->tok)) {
+ MDOC_Bd == n->next->child->tok))
p->flags &= ~TERMP_NOBREAK;
- p->flags &= ~TERMP_NOLPAD;
- } else
+ else
p->flags |= TERMP_HANG;
break;
case (LIST_tag):
if (MDOC_HEAD == n->type)
p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
- else
- p->flags |= TERMP_NOLPAD;
if (MDOC_HEAD != n->type)
break;
else
p->flags |= TERMP_NOBREAK;
- assert(n->prev);
- if (MDOC_BODY == n->prev->type)
- p->flags |= TERMP_NOLPAD;
-
break;
case (LIST_diag):
if (MDOC_HEAD == n->type)
p->flags &= ~TERMP_DANGLE;
p->flags &= ~TERMP_NOBREAK;
p->flags &= ~TERMP_TWOSPACE;
- p->flags &= ~TERMP_NOLPAD;
p->flags &= ~TERMP_HANG;
}
if (MDOC_BODY == n->type) {
if (NULL == n->child)
return(0);
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ p->flags |= TERMP_NOSPACE;
p->offset += term_len(p, 1) +
(NULL == n->prev->child ? term_strlen(p, m->name) :
MDOC_TEXT == n->prev->child->type ?
if (MDOC_HEAD == n->type && n->next->child) {
term_flushln(p);
p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
- } else if (MDOC_BODY == n->type && n->child) {
+ } else if (MDOC_BODY == n->type && n->child)
term_flushln(p);
- p->flags &= ~TERMP_NOLPAD;
- }
}
termp_ns_pre(DECL_ARGS)
{
- p->flags |= TERMP_NOSPACE;
+ if ( ! (MDOC_LINE & n->flags))
+ p->flags |= TERMP_NOSPACE;
return(1);
}
static int
termp_rv_pre(DECL_ARGS)
{
- const struct mdoc_node *nn;
+ int nchild;
term_newln(p);
term_word(p, "The");
- for (nn = n->child; nn; nn = nn->next) {
+ nchild = n->nchild;
+ for (n = n->child; n; n = n->next) {
term_fontpush(p, TERMFONT_BOLD);
- term_word(p, nn->string);
+ term_word(p, n->string);
term_fontpop(p);
+
p->flags |= TERMP_NOSPACE;
- if (nn->next && NULL == nn->next->next)
- term_word(p, "(), and");
- else if (nn->next)
- term_word(p, "(),");
- else
- term_word(p, "()");
+ term_word(p, "()");
+
+ if (nchild > 2 && n->next) {
+ p->flags |= TERMP_NOSPACE;
+ term_word(p, ",");
+ }
+
+ if (n->next && NULL == n->next->next)
+ term_word(p, "and");
}
- if (n->child && n->child->next)
+ if (nchild > 1)
term_word(p, "functions return");
else
term_word(p, "function returns");
static int
termp_ex_pre(DECL_ARGS)
{
- const struct mdoc_node *nn;
+ int nchild;
+ term_newln(p);
term_word(p, "The");
- for (nn = n->child; nn; nn = nn->next) {
+ nchild = n->nchild;
+ for (n = n->child; n; n = n->next) {
term_fontpush(p, TERMFONT_BOLD);
- term_word(p, nn->string);
+ term_word(p, n->string);
term_fontpop(p);
- p->flags |= TERMP_NOSPACE;
- if (nn->next && NULL == nn->next->next)
- term_word(p, ", and");
- else if (nn->next)
+
+ if (nchild > 2 && n->next) {
+ p->flags |= TERMP_NOSPACE;
term_word(p, ",");
- else
- p->flags &= ~TERMP_NOSPACE;
+ }
+
+ if (n->next && NULL == n->next->next)
+ term_word(p, "and");
}
- if (n->child && n->child->next)
+ if (nchild > 1)
term_word(p, "utilities exit");
else
term_word(p, "utility exits");
term_word(p, "0 on success, and >0 if an error occurs.");
- p->flags |= TERMP_SENTENCE;
+ p->flags |= TERMP_SENTENCE;
return(0);
}
term_newln(p);
}
-
/* ARGSUSED */
static int
termp_xr_pre(DECL_ARGS)
{
- const struct mdoc_node *nn;
- if (NULL == n->child)
+ if (NULL == (n = n->child))
return(0);
- assert(MDOC_TEXT == n->child->type);
- nn = n->child;
+ assert(MDOC_TEXT == n->type);
+ term_word(p, n->string);
- term_word(p, nn->string);
- if (NULL == (nn = nn->next))
+ if (NULL == (n = n->next))
return(0);
+
p->flags |= TERMP_NOSPACE;
term_word(p, "(");
- term_word(p, nn->string);
+ p->flags |= TERMP_NOSPACE;
+
+ assert(MDOC_TEXT == n->type);
+ term_word(p, n->string);
+
+ p->flags |= TERMP_NOSPACE;
term_word(p, ")");
return(0);
}
-
/*
* This decides how to assert whitespace before any of the SYNOPSIS set
* of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
}
+/* ARGSUSED */
+static void
+termp_fd_post(DECL_ARGS)
+{
+
+ term_newln(p);
+}
+
+
/* ARGSUSED */
static int
termp_sh_pre(DECL_ARGS)
term_fontpush(p, TERMFONT_BOLD);
break;
case (MDOC_BODY):
- p->offset = term_len(p, INDENT);
+ p->offset = term_len(p, p->defindent);
+ if (SEC_AUTHORS == n->sec)
+ p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
break;
default:
break;
if (MDOC_BLOCK != n->type)
return(1);
term_newln(p);
- p->offset += term_len(p, (INDENT + 1));
+ p->offset += term_len(p, p->defindent + 1);
return(1);
}
-/* ARGSUSED */
-static void
-termp_d1_post(DECL_ARGS)
-{
-
- if (MDOC_BLOCK != n->type)
- return;
- term_newln(p);
-}
-
-
/* ARGSUSED */
static int
termp_ft_pre(DECL_ARGS)
static int
termp_fn_pre(DECL_ARGS)
{
- const struct mdoc_node *nn;
+ int pretty;
+
+ pretty = MDOC_SYNPRETTY & n->flags;
synopsis_pre(p, n);
+ if (NULL == (n = n->child))
+ return(0);
+
+ assert(MDOC_TEXT == n->type);
term_fontpush(p, TERMFONT_BOLD);
- term_word(p, n->child->string);
+ term_word(p, n->string);
term_fontpop(p);
p->flags |= TERMP_NOSPACE;
term_word(p, "(");
+ p->flags |= TERMP_NOSPACE;
- for (nn = n->child->next; nn; nn = nn->next) {
+ for (n = n->next; n; n = n->next) {
+ assert(MDOC_TEXT == n->type);
term_fontpush(p, TERMFONT_UNDER);
- term_word(p, nn->string);
+ term_word(p, n->string);
term_fontpop(p);
- if (nn->next)
+ if (n->next) {
+ p->flags |= TERMP_NOSPACE;
term_word(p, ",");
+ }
}
+ p->flags |= TERMP_NOSPACE;
term_word(p, ")");
- if (MDOC_SYNPRETTY & n->flags)
+ if (pretty) {
+ p->flags |= TERMP_NOSPACE;
term_word(p, ";");
+ }
return(0);
}
term_word(p, nn->string);
term_fontpop(p);
- if (nn->next)
+ if (nn->next) {
+ p->flags |= TERMP_NOSPACE;
term_word(p, ",");
+ }
}
- if (n->child && n->next && n->next->tok == MDOC_Fa)
+ if (n->child && n->next && n->next->tok == MDOC_Fa) {
+ p->flags |= TERMP_NOSPACE;
term_word(p, ",");
+ }
return(0);
}
static int
termp_bx_pre(DECL_ARGS)
{
- char buf[3];
if (NULL != (n = n->child)) {
term_word(p, n->string);
}
if (NULL != (n = n->next)) {
- buf[0] = '-';
- buf[1] = toupper((unsigned char)*n->string);
- buf[2] = '\0';
-
p->flags |= TERMP_NOSPACE;
- term_word(p, buf);
+ term_word(p, "-");
p->flags |= TERMP_NOSPACE;
- term_word(p, n->string + 1);
+ term_word(p, n->string);
}
return(0);
termp_xx_pre(DECL_ARGS)
{
const char *pp;
+ int flags;
pp = NULL;
switch (n->tok) {
break;
}
- assert(pp);
term_word(p, pp);
- return(1);
+ if (n->child) {
+ flags = p->flags;
+ p->flags |= TERMP_KEEP;
+ term_word(p, n->child->string);
+ p->flags = flags;
+ }
+ return(0);
}
break;
case (MDOC_HEAD):
term_fontpush(p, TERMFONT_BOLD);
- p->offset = term_len(p, HALFINDENT);
+ p->offset = term_len(p, (p->defindent+1)/2);
break;
default:
break;
case (MDOC_Dq):
term_word(p, "``");
break;
+ case (MDOC_Eo):
+ break;
case (MDOC_Po):
/* FALLTHROUGH */
case (MDOC_Pq):
case (MDOC_Dq):
term_word(p, "''");
break;
+ case (MDOC_Eo):
+ break;
case (MDOC_Po):
/* FALLTHROUGH */
case (MDOC_Pq):
} else if (MDOC_BODY == n->type) {
p->flags |= TERMP_NOSPACE;
term_word(p, "(");
+ p->flags |= TERMP_NOSPACE;
return(1);
}
if (MDOC_BODY != n->type)
return;
+ p->flags |= TERMP_NOSPACE;
term_word(p, ")");
- if (MDOC_SYNPRETTY & n->flags)
+ if (MDOC_SYNPRETTY & n->flags) {
+ p->flags |= TERMP_NOSPACE;
term_word(p, ";");
+ }
}
if (NULL == n->parent || MDOC_Rs != n->parent->tok)
return;
+ p->flags |= TERMP_NOSPACE;
if (NULL == n->next) {
term_word(p, ".");
p->flags |= TERMP_SENTENCE;
static int
termp_lk_pre(DECL_ARGS)
{
- const struct mdoc_node *nn, *sv;
-
- term_fontpush(p, TERMFONT_UNDER);
-
- nn = sv = n->child;
+ const struct mdoc_node *link, *descr;
- if (NULL == nn || NULL == nn->next)
- return(1);
-
- for (nn = nn->next; nn; nn = nn->next)
- term_word(p, nn->string);
-
- term_fontpop(p);
+ if (NULL == (link = n->child))
+ return(0);
- term_word(p, ":");
+ if (NULL != (descr = link->next)) {
+ term_fontpush(p, TERMFONT_UNDER);
+ while (NULL != descr) {
+ term_word(p, descr->string);
+ descr = descr->next;
+ }
+ p->flags |= TERMP_NOSPACE;
+ term_word(p, ":");
+ term_fontpop(p);
+ }
term_fontpush(p, TERMFONT_BOLD);
- term_word(p, sv->string);
+ term_word(p, link->string);
term_fontpop(p);
return(0);
* If we're in an `Rs' and there's a journal present, then quote
* us instead of underlining us (for disambiguation).
*/
- if (n->parent && MDOC_Rs == n->parent->tok &&
+ if (n->parent && MDOC_Rs == n->parent->tok &&
n->parent->norm->Rs.quote_T)
termp_quote_post(p, pair, m, n);