-/* $Id: mdoc_term.c,v 1.353 2017/05/05 02:06:19 schwarze Exp $ */
+/* $Id: mdoc_term.c,v 1.362 2017/06/07 17:38:26 schwarze Exp $ */
/*
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
static int termp_in_pre(DECL_ARGS);
static int termp_it_pre(DECL_ARGS);
static int termp_li_pre(DECL_ARGS);
-static int termp_ll_pre(DECL_ARGS);
static int termp_lk_pre(DECL_ARGS);
static int termp_nd_pre(DECL_ARGS);
static int termp_nm_pre(DECL_ARGS);
static int termp_sh_pre(DECL_ARGS);
static int termp_skip_pre(DECL_ARGS);
static int termp_sm_pre(DECL_ARGS);
-static int termp_sp_pre(DECL_ARGS);
+static int termp_pp_pre(DECL_ARGS);
static int termp_ss_pre(DECL_ARGS);
static int termp_sy_pre(DECL_ARGS);
static int termp_tag_pre(DECL_ARGS);
{ NULL, NULL }, /* Os */
{ termp_sh_pre, termp_sh_post }, /* Sh */
{ termp_ss_pre, termp_ss_post }, /* Ss */
- { termp_sp_pre, NULL }, /* Pp */
+ { termp_pp_pre, NULL }, /* Pp */
{ termp_d1_pre, termp_bl_post }, /* D1 */
{ termp_d1_pre, termp_bl_post }, /* Dl */
{ termp_bd_pre, termp_bd_post }, /* Bd */
{ termp_under_pre, NULL }, /* Fr */
{ NULL, NULL }, /* Ud */
{ NULL, termp_lb_post }, /* Lb */
- { termp_sp_pre, NULL }, /* Lp */
+ { termp_pp_pre, NULL }, /* Lp */
{ termp_lk_pre, NULL }, /* Lk */
{ termp_under_pre, NULL }, /* Mt */
{ termp_quote_pre, termp_quote_post }, /* Brq */
{ termp_quote_pre, termp_quote_post }, /* En */
{ termp_xx_pre, termp_xx_post }, /* Dx */
{ NULL, termp____post }, /* %Q */
- { termp_sp_pre, NULL }, /* sp */
{ NULL, termp____post }, /* %U */
{ NULL, NULL }, /* Ta */
- { termp_ll_pre, NULL }, /* ll */
};
static const struct termact *const termacts = __termacts - MDOC_Dd;
size_t save_defindent;
p = (struct termp *)arg;
- p->overstep = 0;
- p->rmargin = p->maxrmargin = p->defrmargin;
- p->tabwidth = term_len(p, 5);
+ p->tcol->rmargin = p->maxrmargin = p->defrmargin;
+ term_tab_set(p, NULL);
+ term_tab_set(p, "T");
+ term_tab_set(p, ".5i");
n = mdoc->first->child;
if (p->synopsisonly) {
return;
chld = 1;
- offset = p->offset;
- rmargin = p->rmargin;
+ offset = p->tcol->offset;
+ rmargin = p->tcol->rmargin;
n->flags &= ~NODE_ENDED;
n->prev_font = p->fonti;
switch (n->type) {
case ROFFT_TEXT:
- if (' ' == *n->string && NODE_LINE & n->flags)
+ if (*n->string == ' ' && n->flags & NODE_LINE &&
+ (p->flags & TERMP_NONEWLINE) == 0)
term_newln(p);
if (NODE_DELIMC & n->flags)
p->flags |= TERMP_NOSPACE;
default:
if (n->tok < ROFF_MAX) {
roff_term_pre(p, n);
- chld = 0;
- break;
+ return;
}
assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
if (termacts[n->tok].pre != NULL &&
case ROFFT_EQN:
break;
default:
- if (n->tok < ROFF_MAX ||
- termacts[n->tok].post == NULL ||
- n->flags & NODE_ENDED)
+ if (termacts[n->tok].post == NULL || n->flags & NODE_ENDED)
break;
(void)(*termacts[n->tok].post)(p, &npair, meta, n);
if (NODE_EOS & n->flags)
p->flags |= TERMP_SENTENCE;
- if (MDOC_ll != n->tok) {
- p->offset = offset;
- p->rmargin = rmargin;
- }
+ if (n->type != ROFFT_TEXT)
+ p->tcol->offset = offset;
+ p->tcol->rmargin = rmargin;
}
static void
term_vspace(p);
- p->offset = 0;
+ p->tcol->offset = 0;
sz = term_strlen(p, meta->date);
- p->rmargin = p->maxrmargin > sz ?
+ p->tcol->rmargin = p->maxrmargin > sz ?
(p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
p->trailspace = 1;
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
term_word(p, meta->os);
term_flushln(p);
- p->offset = p->rmargin;
+ p->tcol->offset = p->tcol->rmargin;
sz = term_strlen(p, meta->os);
- p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
+ p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
p->flags |= TERMP_NOSPACE;
term_word(p, meta->date);
term_flushln(p);
- p->offset = p->rmargin;
- p->rmargin = p->maxrmargin;
+ p->tcol->offset = p->tcol->rmargin;
+ p->tcol->rmargin = p->maxrmargin;
p->trailspace = 0;
p->flags &= ~TERMP_NOBREAK;
p->flags |= TERMP_NOSPACE;
term_word(p, meta->os);
term_flushln(p);
- p->offset = 0;
- p->rmargin = p->maxrmargin;
+ p->tcol->offset = 0;
+ p->tcol->rmargin = p->maxrmargin;
p->flags = 0;
}
p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
p->trailspace = 1;
- p->offset = 0;
- p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
+ p->tcol->offset = 0;
+ p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
(p->maxrmargin - vollen + term_len(p, 1)) / 2 :
vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
term_flushln(p);
p->flags |= TERMP_NOSPACE;
- p->offset = p->rmargin;
- p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
- p->maxrmargin - titlen : p->maxrmargin;
+ p->tcol->offset = p->tcol->rmargin;
+ p->tcol->rmargin = p->tcol->offset + vollen + titlen <
+ p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
term_word(p, volume);
term_flushln(p);
p->flags &= ~TERMP_NOBREAK;
p->trailspace = 0;
- if (p->rmargin + titlen <= p->maxrmargin) {
+ if (p->tcol->rmargin + titlen <= p->maxrmargin) {
p->flags |= TERMP_NOSPACE;
- p->offset = p->rmargin;
- p->rmargin = p->maxrmargin;
+ p->tcol->offset = p->tcol->rmargin;
+ p->tcol->rmargin = p->maxrmargin;
term_word(p, title);
term_flushln(p);
}
p->flags &= ~TERMP_NOSPACE;
- p->offset = 0;
- p->rmargin = p->maxrmargin;
+ p->tcol->offset = 0;
+ p->tcol->rmargin = p->maxrmargin;
free(title);
free(volume);
}
}
-static int
-termp_ll_pre(DECL_ARGS)
-{
-
- term_setwidth(p, n->child != NULL ? n->child->string : NULL);
- return 0;
-}
-
static int
termp_it_pre(DECL_ARGS)
{
if (bl->norm->Bl.offs != NULL) {
offset = a2width(p, bl->norm->Bl.offs);
- if (offset < 0 && (size_t)(-offset) > p->offset)
- offset = -p->offset;
+ if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
+ offset = -p->tcol->offset;
else if (offset > SHRT_MAX)
offset = 0;
}
* handling for column for how this changes.
*/
width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
- if (width < 0 && (size_t)(-width) > p->offset)
- width = -p->offset;
+ if (width < 0 && (size_t)(-width) > p->tcol->offset)
+ width = -p->tcol->offset;
else if (width > SHRT_MAX)
width = 0;
break;
case LIST_bullet:
case LIST_dash:
case LIST_hyphen:
- /*
- * Weird special case.
- * Some very narrow lists actually hang.
- */
- if (width <= (int)term_len(p, 2))
- p->flags |= TERMP_HANG;
- if (n->type != ROFFT_HEAD)
- break;
- p->flags |= TERMP_NOBREAK;
- p->trailspace = 1;
+ if (n->type == ROFFT_HEAD) {
+ p->flags |= TERMP_NOBREAK | TERMP_HANG;
+ p->trailspace = 1;
+ } else if (width <= (int)term_len(p, 2))
+ p->flags |= TERMP_NOPAD;
break;
case LIST_hang:
if (n->type != ROFFT_HEAD)
break;
-
- /*
- * This is ugly. If `-hang' is specified and the body
- * is a `Bl' or `Bd', then we want basically to nullify
- * the "overstep" effect in term_flushln() and treat
- * this as a `-ohang' list instead.
- */
- if (NULL != n->next &&
- NULL != n->next->child &&
- (MDOC_Bl == n->next->child->tok ||
- MDOC_Bd == n->next->child->tok))
- break;
-
p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
p->trailspace = 1;
break;
p->trailspace = 2;
if (NULL == n->next || NULL == n->next->child)
- p->flags |= TERMP_DANGLE;
+ p->flags |= TERMP_HANG;
break;
case LIST_column:
if (n->type == ROFFT_HEAD)
* necessarily lengthened. Everybody gets the offset.
*/
- p->offset += offset;
+ p->tcol->offset += offset;
switch (type) {
- case LIST_hang:
- /*
- * Same stipulation as above, regarding `-hang'. We
- * don't want to recalculate rmargin and offsets when
- * using `Bd' or `Bl' within `-hang' overstep lists.
- */
- if (n->type == ROFFT_HEAD &&
- NULL != n->next &&
- NULL != n->next->child &&
- (MDOC_Bl == n->next->child->tok ||
- MDOC_Bd == n->next->child->tok))
- break;
- /* FALLTHROUGH */
case LIST_bullet:
case LIST_dash:
case LIST_enum:
case LIST_hyphen:
+ case LIST_hang:
case LIST_tag:
if (n->type == ROFFT_HEAD)
- p->rmargin = p->offset + width;
+ p->tcol->rmargin = p->tcol->offset + width;
else
- p->offset += width;
+ p->tcol->offset += width;
break;
case LIST_column:
assert(width);
- p->rmargin = p->offset + width;
+ p->tcol->rmargin = p->tcol->offset + width;
/*
* XXX - this behaviour is not documented: the
* right-most column is filled to the right margin.
*/
if (n->type == ROFFT_HEAD)
break;
- if (NULL == n->next && p->rmargin < p->maxrmargin)
- p->rmargin = p->maxrmargin;
+ if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
+ p->tcol->rmargin = p->maxrmargin;
break;
default:
break;
case LIST_column:
if (n->type == ROFFT_HEAD)
return 0;
+ p->minbl = 0;
break;
default:
break;
* has munged them in the meanwhile.
*/
- p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
- TERMP_DANGLE | TERMP_HANG);
+ p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
p->trailspace = 0;
}
}
if (n->type == ROFFT_BODY) {
- if (NULL == n->child)
+ if (n->child == NULL)
return 0;
p->flags |= TERMP_NOSPACE;
cp = NULL;
if (cp == NULL)
cp = meta->name;
if (cp == NULL)
- p->offset += term_len(p, 6);
+ p->tcol->offset += term_len(p, 6);
else
- p->offset += term_len(p, 1) + term_strlen(p, cp);
+ p->tcol->offset += term_len(p, 1) +
+ term_strlen(p, cp);
return 1;
}
synopsis_pre(p, n->parent);
if (n->type == ROFFT_HEAD &&
- NULL != n->next && NULL != n->next->child) {
+ n->next != NULL && n->next->child != NULL) {
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
p->trailspace = 1;
- p->rmargin = p->offset + term_len(p, 1);
- if (NULL == n->child) {
- p->rmargin += term_strlen(p, meta->name);
- } else if (n->child->type == ROFFT_TEXT) {
- p->rmargin += term_strlen(p, n->child->string);
- if (n->child->next)
+ p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
+ if (n->child == NULL)
+ p->tcol->rmargin += term_strlen(p, meta->name);
+ else if (n->child->type == ROFFT_TEXT) {
+ p->tcol->rmargin += term_strlen(p, n->child->string);
+ if (n->child->next != NULL)
p->flags |= TERMP_HANG;
} else {
- p->rmargin += term_len(p, 5);
+ p->tcol->rmargin += term_len(p, 5);
p->flags |= TERMP_HANG;
}
}
termp_bl_post(DECL_ARGS)
{
- if (n->type == ROFFT_BLOCK)
- term_newln(p);
+ if (n->type != ROFFT_BLOCK)
+ return;
+ term_newln(p);
+ if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
+ return;
+ term_tab_set(p, NULL);
+ term_tab_set(p, "T");
+ term_tab_set(p, ".5i");
}
static int
term_fontpush(p, TERMFONT_BOLD);
break;
case ROFFT_BODY:
- p->offset = term_len(p, p->defindent);
+ p->tcol->offset = term_len(p, p->defindent);
+ term_tab_set(p, NULL);
+ term_tab_set(p, "T");
+ term_tab_set(p, ".5i");
switch (n->sec) {
case SEC_DESCRIPTION:
fn_prio = 0;
break;
case ROFFT_BODY:
term_newln(p);
- p->offset = 0;
+ p->tcol->offset = 0;
break;
default:
break;
if (n->type != ROFFT_BLOCK)
return 1;
term_newln(p);
- p->offset += term_len(p, p->defindent + 1);
+ p->tcol->offset += term_len(p, p->defindent + 1);
+ term_tab_set(p, NULL);
+ term_tab_set(p, "T");
+ term_tab_set(p, ".5i");
return 1;
}
return 0;
if (pretty) {
- rmargin = p->rmargin;
- p->rmargin = p->offset + term_len(p, 4);
+ rmargin = p->tcol->rmargin;
+ p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
}
if (pretty) {
term_flushln(p);
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
- p->offset = p->rmargin;
- p->rmargin = rmargin;
+ p->flags |= TERMP_NOPAD;
+ p->tcol->offset = p->tcol->rmargin;
+ p->tcol->rmargin = rmargin;
}
p->flags |= TERMP_NOSPACE;
static int
termp_bd_pre(DECL_ARGS)
{
- size_t tabwidth, lm, len, rm, rmax;
+ size_t lm, len;
struct roff_node *nn;
int offset;
! strcmp(n->norm->Bd.offs, "left"))
/* nothing */;
else if ( ! strcmp(n->norm->Bd.offs, "indent"))
- p->offset += term_len(p, p->defindent + 1);
+ p->tcol->offset += term_len(p, p->defindent + 1);
else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
- p->offset += term_len(p, (p->defindent + 1) * 2);
+ p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
else {
offset = a2width(p, n->norm->Bd.offs);
- if (offset < 0 && (size_t)(-offset) > p->offset)
- p->offset = 0;
+ if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
+ p->tcol->offset = 0;
else if (offset < SHRT_MAX)
- p->offset += offset;
+ p->tcol->offset += offset;
}
/*
* lines are allowed.
*/
- if (DISP_literal != n->norm->Bd.type &&
- DISP_unfilled != n->norm->Bd.type &&
- DISP_centered != n->norm->Bd.type)
+ if (n->norm->Bd.type != DISP_literal &&
+ n->norm->Bd.type != DISP_unfilled &&
+ n->norm->Bd.type != DISP_centered)
return 1;
- tabwidth = p->tabwidth;
- if (DISP_literal == n->norm->Bd.type)
- p->tabwidth = term_len(p, 8);
-
- lm = p->offset;
- rm = p->rmargin;
- rmax = p->maxrmargin;
- p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
+ if (n->norm->Bd.type == DISP_literal) {
+ term_tab_set(p, NULL);
+ term_tab_set(p, "T");
+ term_tab_set(p, "8n");
+ }
- for (nn = n->child; nn; nn = nn->next) {
- if (DISP_centered == n->norm->Bd.type) {
+ lm = p->tcol->offset;
+ p->flags |= TERMP_BRNEVER;
+ for (nn = n->child; nn != NULL; nn = nn->next) {
+ if (n->norm->Bd.type == DISP_centered) {
if (nn->type == ROFFT_TEXT) {
len = term_strlen(p, nn->string);
- p->offset = len >= rm ? 0 :
- lm + len >= rm ? rm - len :
- (lm + rm - len) / 2;
+ p->tcol->offset = len >= p->tcol->rmargin ?
+ 0 : lm + len >= p->tcol->rmargin ?
+ p->tcol->rmargin - len :
+ (lm + p->tcol->rmargin - len) / 2;
} else
- p->offset = lm;
+ p->tcol->offset = lm;
}
print_mdoc_node(p, pair, meta, nn);
/*
* notion of selective eoln whitespace is pretty dumb
* anyway, so don't sweat it.
*/
+ if (nn->tok < ROFF_MAX)
+ continue;
switch (nn->tok) {
case MDOC_Sm:
- case ROFF_br:
- case MDOC_sp:
case MDOC_Bl:
case MDOC_D1:
case MDOC_Dl:
term_flushln(p);
p->flags |= TERMP_NOSPACE;
}
-
- p->tabwidth = tabwidth;
- p->rmargin = rm;
- p->maxrmargin = rmax;
+ p->flags &= ~TERMP_BRNEVER;
return 0;
}
static void
termp_bd_post(DECL_ARGS)
{
- size_t rm, rmax;
-
if (n->type != ROFFT_BODY)
return;
-
- rm = p->rmargin;
- rmax = p->maxrmargin;
-
if (DISP_literal == n->norm->Bd.type ||
DISP_unfilled == n->norm->Bd.type)
- p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
-
+ p->flags |= TERMP_BRNEVER;
p->flags |= TERMP_NOSPACE;
term_newln(p);
-
- p->rmargin = rm;
- p->maxrmargin = rmax;
+ p->flags &= ~TERMP_BRNEVER;
}
static int
break;
case ROFFT_HEAD:
term_fontpush(p, TERMFONT_BOLD);
- p->offset = term_len(p, (p->defindent+1)/2);
+ p->tcol->offset = term_len(p, (p->defindent+1)/2);
break;
case ROFFT_BODY:
- p->offset = term_len(p, p->defindent);
+ p->tcol->offset = term_len(p, p->defindent);
+ term_tab_set(p, NULL);
+ term_tab_set(p, "T");
+ term_tab_set(p, ".5i");
break;
default:
break;
}
static int
-termp_sp_pre(DECL_ARGS)
+termp_pp_pre(DECL_ARGS)
{
- struct roffsu su;
- int i, len;
-
- switch (n->tok) {
- case MDOC_sp:
- if (n->child) {
- if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
- su.scale = 1.0;
- len = term_vspan(p, &su);
- } else
- len = 1;
- break;
- case ROFF_br:
- len = 0;
- break;
- default:
- len = 1;
- fn_prio = 0;
- break;
- }
-
- if (0 == len)
- term_newln(p);
- else if (len < 0)
- p->skipvsp -= len;
- else
- for (i = 0; i < len; i++)
- term_vspace(p);
-
+ fn_prio = 0;
+ term_vspace(p);
return 0;
}
return 1;
} else if (n->type == ROFFT_BODY) {
if (pretty) {
- rmargin = p->rmargin;
- p->rmargin = p->offset + term_len(p, 4);
+ rmargin = p->tcol->rmargin;
+ p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
p->flags |= TERMP_NOBREAK | TERMP_BRIND |
TERMP_HANG;
}
term_flushln(p);
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
TERMP_HANG);
- p->offset = p->rmargin;
- p->rmargin = rmargin;
+ p->flags |= TERMP_NOPAD;
+ p->tcol->offset = p->tcol->rmargin;
+ p->tcol->rmargin = rmargin;
}
return 1;
}
static int
termp_lk_pre(DECL_ARGS)
{
- const struct roff_node *link, *descr;
+ const struct roff_node *link, *descr, *punct;
int display;
if ((link = n->child) == NULL)
return 0;
+ /* Find beginning of trailing punctuation. */
+ punct = n->last;
+ while (punct != link && punct->flags & NODE_DELIMC)
+ punct = punct->prev;
+ punct = punct->next;
+
/* Link text. */
- if ((descr = link->next) != NULL && !(descr->flags & NODE_DELIMC)) {
+ if ((descr = link->next) != NULL && descr != punct) {
term_fontpush(p, TERMFONT_UNDER);
- while (descr != NULL && !(descr->flags & NODE_DELIMC)) {
+ while (descr != punct) {
+ if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
+ p->flags |= TERMP_NOSPACE;
term_word(p, descr->string);
descr = descr->next;
}
display = term_strlen(p, link->string) >= 26;
if (display) {
term_newln(p);
- p->offset += term_len(p, p->defindent + 1);
+ p->tcol->offset += term_len(p, p->defindent + 1);
}
term_fontpush(p, TERMFONT_BOLD);
term_word(p, link->string);
term_fontpop(p);
/* Trailing punctuation. */
- while (descr != NULL) {
+ while (punct != NULL) {
p->flags |= TERMP_NOSPACE;
- term_word(p, descr->string);
- descr = descr->next;
+ term_word(p, punct->string);
+ punct = punct->next;
}
if (display)
term_newln(p);