-/* $Id: man_term.c,v 1.200 2017/05/09 14:10:01 schwarze Exp $ */
+/* $Id: man_term.c,v 1.221 2018/12/03 21:00:10 schwarze Exp $ */
/*
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2015, 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
struct roff_node *n, \
const struct roff_meta *meta
-struct termact {
+struct man_term_act {
int (*pre)(DECL_ARGS);
void (*post)(DECL_ARGS);
int flags;
static int pre_RS(DECL_ARGS);
static int pre_SH(DECL_ARGS);
static int pre_SS(DECL_ARGS);
+static int pre_SY(DECL_ARGS);
static int pre_TP(DECL_ARGS);
static int pre_UR(DECL_ARGS);
+static int pre_abort(DECL_ARGS);
static int pre_alternate(DECL_ARGS);
static int pre_ign(DECL_ARGS);
static int pre_in(DECL_ARGS);
static void post_RS(DECL_ARGS);
static void post_SH(DECL_ARGS);
static void post_SS(DECL_ARGS);
+static void post_SY(DECL_ARGS);
static void post_TP(DECL_ARGS);
static void post_UR(DECL_ARGS);
-static const struct termact __termacts[MAN_MAX - MAN_TH] = {
+static const struct man_term_act man_term_acts[MAN_MAX - MAN_TH] = {
{ NULL, NULL, 0 }, /* TH */
{ pre_SH, post_SH, 0 }, /* SH */
{ pre_SS, post_SS, 0 }, /* SS */
{ pre_TP, post_TP, 0 }, /* TP */
- { pre_PP, NULL, 0 }, /* LP */
+ { pre_TP, post_TP, 0 }, /* TQ */
+ { pre_abort, NULL, 0 }, /* LP */
{ pre_PP, NULL, 0 }, /* PP */
- { pre_PP, NULL, 0 }, /* P */
+ { pre_abort, NULL, 0 }, /* P */
{ pre_IP, post_IP, 0 }, /* IP */
{ pre_HP, post_HP, 0 }, /* HP */
{ NULL, NULL, 0 }, /* SM */
{ pre_I, NULL, 0 }, /* I */
{ pre_alternate, NULL, 0 }, /* IR */
{ pre_alternate, NULL, 0 }, /* RI */
- { pre_literal, NULL, 0 }, /* nf */
- { pre_literal, NULL, 0 }, /* fi */
+ { pre_literal, NULL, MAN_NOTEXT }, /* nf */
+ { pre_literal, NULL, MAN_NOTEXT }, /* fi */
{ NULL, NULL, 0 }, /* RE */
{ pre_RS, post_RS, 0 }, /* RS */
{ pre_DT, NULL, 0 }, /* DT */
{ pre_PD, NULL, MAN_NOTEXT }, /* PD */
{ pre_ign, NULL, 0 }, /* AT */
{ pre_in, NULL, MAN_NOTEXT }, /* in */
+ { pre_SY, post_SY, 0 }, /* SY */
+ { NULL, NULL, 0 }, /* YS */
{ pre_OP, NULL, 0 }, /* OP */
{ pre_literal, NULL, 0 }, /* EX */
{ pre_literal, NULL, 0 }, /* EE */
{ pre_UR, post_UR, 0 }, /* UR */
{ NULL, NULL, 0 }, /* UE */
+ { pre_UR, post_UR, 0 }, /* MT */
+ { NULL, NULL, 0 }, /* ME */
};
-static const struct termact *termacts = __termacts - MAN_TH;
+static const struct man_term_act *man_term_act(enum roff_tok);
+static const struct man_term_act *
+man_term_act(enum roff_tok tok)
+{
+ assert(tok >= MAN_TH && tok <= MAN_MAX);
+ return man_term_acts + (tok - MAN_TH);
+}
+
void
terminal_man(void *arg, const struct roff_man *man)
{
size_t save_defindent;
p = (struct termp *)arg;
- p->overstep = 0;
- p->rmargin = p->maxrmargin = p->defrmargin;
+ save_defindent = p->defindent;
+ if (p->synopsisonly == 0 && p->defindent == 0)
+ p->defindent = 7;
+ p->tcol->rmargin = p->maxrmargin = p->defrmargin;
term_tab_set(p, NULL);
term_tab_set(p, "T");
term_tab_set(p, ".5i");
n = n->next;
}
} else {
- save_defindent = p->defindent;
- if (p->defindent == 0)
- p->defindent = 7;
term_begin(p, print_man_head, print_man_foot, &man->meta);
p->flags |= TERMP_NOSPACE;
if (n != NULL)
print_man_nodelist(p, &mt, n, &man->meta);
term_end(p);
- p->defindent = save_defindent;
}
+ p->defindent = save_defindent;
}
/*
}
+static int
+pre_abort(DECL_ARGS)
+{
+ abort();
+}
+
static int
pre_ign(DECL_ARGS)
{
term_newln(p);
- if (MAN_nf == n->tok || MAN_EX == n->tok)
+ if (n->tok == MAN_nf || n->tok == MAN_EX)
mt->fl |= MANT_LITERAL;
else
mt->fl &= ~MANT_LITERAL;
* So in case a second call to term_flushln() is needed,
* indentation has to be set up explicitly.
*/
- if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) {
- p->offset = p->rmargin;
- p->rmargin = p->maxrmargin;
+ if (n->parent->tok == MAN_HP && p->tcol->rmargin < p->maxrmargin) {
+ p->tcol->offset = p->tcol->rmargin;
+ p->tcol->rmargin = p->maxrmargin;
p->trailspace = 0;
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
p->flags |= TERMP_NOSPACE;
return 0;
}
assert(n->type == ROFFT_TEXT);
- if (a2roffsu(n->string, &su, SCALE_VS))
+ if (a2roffsu(n->string, &su, SCALE_VS) != NULL)
mt->pardist = term_vspan(p, &su);
return 0;
}
{
term_word(p, "[");
- p->flags |= TERMP_NOSPACE;
+ p->flags |= TERMP_KEEP | TERMP_NOSPACE;
if (NULL != (n = n->child)) {
term_fontrepl(p, TERMFONT_BOLD);
}
term_fontrepl(p, TERMFONT_NONE);
+ p->flags &= ~TERMP_KEEP;
p->flags |= TERMP_NOSPACE;
term_word(p, "]");
return 0;
term_newln(p);
- if (NULL == n->child) {
- p->offset = mt->offset;
+ if (n->child == NULL) {
+ p->tcol->offset = mt->offset;
return 0;
}
else
cp--;
- if ( ! a2roffsu(++cp, &su, SCALE_EN))
+ if (a2roffsu(++cp, &su, SCALE_EN) == NULL)
return 0;
- v = (term_hspan(p, &su) + 11) / 24;
+ v = term_hen(p, &su);
if (less < 0)
- p->offset -= p->offset > v ? v : p->offset;
+ p->tcol->offset -= p->tcol->offset > v ? v : p->tcol->offset;
else if (less > 0)
- p->offset += v;
+ p->tcol->offset += v;
else
- p->offset = v;
- if (p->offset > SHRT_MAX)
- p->offset = term_len(p, p->defindent);
+ p->tcol->offset = v;
+ if (p->tcol->offset > SHRT_MAX)
+ p->tcol->offset = term_len(p, p->defindent);
return 0;
}
/* Calculate offset. */
if ((nn = n->parent->head->child) != NULL &&
- a2roffsu(nn->string, &su, SCALE_EN)) {
- len = term_hspan(p, &su) / 24;
+ a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
+ len = term_hen(p, &su);
if (len < 0 && (size_t)(-len) > mt->offset)
len = -mt->offset;
else if (len > SHRT_MAX)
} else
len = mt->lmargin[mt->lmargincur];
- p->offset = mt->offset;
- p->rmargin = mt->offset + len;
+ p->tcol->offset = mt->offset;
+ p->tcol->rmargin = mt->offset + len;
return 1;
}
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
p->trailspace = 0;
- p->offset = mt->offset;
- p->rmargin = p->maxrmargin;
+ p->tcol->offset = mt->offset;
+ p->tcol->rmargin = p->maxrmargin;
break;
default:
break;
print_bvspace(p, n, mt->pardist);
break;
default:
- p->offset = mt->offset;
+ p->tcol->offset = mt->offset;
break;
}
/* Calculate the offset from the optional second argument. */
if ((nn = n->parent->head->child) != NULL &&
(nn = nn->next) != NULL &&
- a2roffsu(nn->string, &su, SCALE_EN)) {
- len = term_hspan(p, &su) / 24;
+ a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
+ len = term_hen(p, &su);
if (len < 0 && (size_t)(-len) > mt->offset)
len = -mt->offset;
else if (len > SHRT_MAX)
switch (n->type) {
case ROFFT_HEAD:
- p->offset = mt->offset;
- p->rmargin = mt->offset + len;
+ p->tcol->offset = mt->offset;
+ p->tcol->rmargin = mt->offset + len;
savelit = MANT_LITERAL & mt->fl;
mt->fl &= ~MANT_LITERAL;
return 0;
case ROFFT_BODY:
- p->offset = mt->offset + len;
- p->rmargin = p->maxrmargin;
+ p->tcol->offset = mt->offset + len;
+ p->tcol->rmargin = p->maxrmargin;
break;
default:
break;
term_flushln(p);
p->flags &= ~TERMP_NOBREAK;
p->trailspace = 0;
- p->rmargin = p->maxrmargin;
+ p->tcol->rmargin = p->maxrmargin;
break;
case ROFFT_BODY:
term_newln(p);
- p->offset = mt->offset;
+ p->tcol->offset = mt->offset;
break;
default:
break;
p->flags |= TERMP_NOSPACE;
break;
case ROFFT_BLOCK:
- print_bvspace(p, n, mt->pardist);
+ if (n->tok == MAN_TP)
+ print_bvspace(p, n, mt->pardist);
/* FALLTHROUGH */
default:
return 1;
if ((nn = n->parent->head->child) != NULL &&
nn->string != NULL && ! (NODE_LINE & nn->flags) &&
- a2roffsu(nn->string, &su, SCALE_EN)) {
- len = term_hspan(p, &su) / 24;
+ a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
+ len = term_hen(p, &su);
if (len < 0 && (size_t)(-len) > mt->offset)
len = -mt->offset;
else if (len > SHRT_MAX)
switch (n->type) {
case ROFFT_HEAD:
- p->offset = mt->offset;
- p->rmargin = mt->offset + len;
+ p->tcol->offset = mt->offset;
+ p->tcol->rmargin = mt->offset + len;
savelit = MANT_LITERAL & mt->fl;
mt->fl &= ~MANT_LITERAL;
mt->fl |= MANT_LITERAL;
return 0;
case ROFFT_BODY:
- p->offset = mt->offset + len;
- p->rmargin = p->maxrmargin;
+ p->tcol->offset = mt->offset + len;
+ p->tcol->rmargin = p->maxrmargin;
p->trailspace = 0;
p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
break;
break;
case ROFFT_BODY:
term_newln(p);
- p->offset = mt->offset;
+ p->tcol->offset = mt->offset;
break;
default:
break;
do {
n = n->prev;
- } while (n != NULL && n->tok != TOKEN_NONE &&
- termacts[n->tok].flags & MAN_NOTEXT);
- if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL))
+ } while (n != NULL && n->tok >= MAN_TH &&
+ man_term_act(n->tok)->flags & MAN_NOTEXT);
+ if (n == NULL || n->type == ROFFT_COMMENT ||
+ (n->tok == MAN_SS && n->body->child == NULL))
break;
for (i = 0; i < mt->pardist; i++)
break;
case ROFFT_HEAD:
term_fontrepl(p, TERMFONT_BOLD);
- p->offset = term_len(p, 3);
- p->rmargin = mt->offset;
+ p->tcol->offset = term_len(p, 3);
+ p->tcol->rmargin = mt->offset;
p->trailspace = mt->offset;
p->flags |= TERMP_NOBREAK | TERMP_BRIND;
break;
case ROFFT_BODY:
- p->offset = mt->offset;
- p->rmargin = p->maxrmargin;
+ p->tcol->offset = mt->offset;
+ p->tcol->rmargin = p->maxrmargin;
p->trailspace = 0;
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
break;
do {
n = n->prev;
- } while (n != NULL && n->tok != TOKEN_NONE &&
- termacts[n->tok].flags & MAN_NOTEXT);
- if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL))
+ } while (n != NULL && n->tok >= MAN_TH &&
+ man_term_act(n->tok)->flags & MAN_NOTEXT);
+ if (n == NULL || n->type == ROFFT_COMMENT ||
+ (n->tok == MAN_SH && n->body->child == NULL))
break;
for (i = 0; i < mt->pardist; i++)
break;
case ROFFT_HEAD:
term_fontrepl(p, TERMFONT_BOLD);
- p->offset = 0;
- p->rmargin = mt->offset;
+ p->tcol->offset = 0;
+ p->tcol->rmargin = mt->offset;
p->trailspace = mt->offset;
p->flags |= TERMP_NOBREAK | TERMP_BRIND;
break;
case ROFFT_BODY:
- p->offset = mt->offset;
- p->rmargin = p->maxrmargin;
+ p->tcol->offset = mt->offset;
+ p->tcol->rmargin = p->maxrmargin;
p->trailspace = 0;
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
break;
n->aux = SHRT_MAX + 1;
if (n->child == NULL)
n->aux = mt->lmargin[mt->lmargincur];
- else if (a2roffsu(n->child->string, &su, SCALE_EN))
- n->aux = term_hspan(p, &su) / 24;
+ else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL)
+ n->aux = term_hen(p, &su);
if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
n->aux = -mt->offset;
else if (n->aux > SHRT_MAX)
n->aux = term_len(p, p->defindent);
mt->offset += n->aux;
- p->offset = mt->offset;
- p->rmargin = p->maxrmargin;
+ p->tcol->offset = mt->offset;
+ p->tcol->rmargin = p->maxrmargin;
if (++mt->lmarginsz < MAXMARGINS)
mt->lmargincur = mt->lmarginsz;
}
mt->offset -= n->parent->head->aux;
- p->offset = mt->offset;
+ p->tcol->offset = mt->offset;
if (--mt->lmarginsz < MAXMARGINS)
mt->lmargincur = mt->lmarginsz;
}
+static int
+pre_SY(DECL_ARGS)
+{
+ const struct roff_node *nn;
+ int len;
+
+ switch (n->type) {
+ case ROFFT_BLOCK:
+ if (n->prev == NULL || n->prev->tok != MAN_SY)
+ print_bvspace(p, n, mt->pardist);
+ return 1;
+ case ROFFT_HEAD:
+ case ROFFT_BODY:
+ break;
+ default:
+ abort();
+ }
+
+ nn = n->parent->head->child;
+ len = nn == NULL ? 1 : term_strlen(p, nn->string) + 1;
+
+ switch (n->type) {
+ case ROFFT_HEAD:
+ p->tcol->offset = mt->offset;
+ p->tcol->rmargin = mt->offset + len;
+ p->flags |= TERMP_NOBREAK;
+ term_fontrepl(p, TERMFONT_BOLD);
+ break;
+ case ROFFT_BODY:
+ mt->lmargin[mt->lmargincur] = len;
+ p->tcol->offset = mt->offset + len;
+ p->tcol->rmargin = p->maxrmargin;
+ p->flags |= TERMP_NOSPACE;
+ break;
+ default:
+ abort();
+ }
+ return 1;
+}
+
+static void
+post_SY(DECL_ARGS)
+{
+ switch (n->type) {
+ case ROFFT_HEAD:
+ term_flushln(p);
+ p->flags &= ~TERMP_NOBREAK;
+ break;
+ case ROFFT_BODY:
+ term_newln(p);
+ p->tcol->offset = mt->offset;
+ break;
+ default:
+ break;
+ }
+}
+
static int
pre_UR(DECL_ARGS)
{
static void
print_man_node(DECL_ARGS)
{
- size_t rm, rmax;
- int c;
+ const struct man_term_act *act;
+ int c;
switch (n->type) {
case ROFFT_TEXT:
* before printing the line's data.
*/
if (*n->string == '\0') {
- term_vspace(p);
+ if (p->flags & TERMP_NONEWLINE)
+ term_newln(p);
+ else
+ term_vspace(p);
return;
} else if (*n->string == ' ' && n->flags & NODE_LINE &&
(p->flags & TERMP_NONEWLINE) == 0)
term_newln(p);
+ else if (n->flags & NODE_DELIMC)
+ p->flags |= TERMP_NOSPACE;
term_word(p, n->string);
goto out;
-
+ case ROFFT_COMMENT:
+ return;
case ROFFT_EQN:
if ( ! (n->flags & NODE_LINE))
p->flags |= TERMP_NOSPACE;
return;
}
- assert(n->tok >= MAN_TH && n->tok <= MAN_MAX);
- if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
+ act = man_term_act(n->tok);
+ if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
term_fontrepl(p, TERMFONT_NONE);
c = 1;
- if (termacts[n->tok].pre)
- c = (*termacts[n->tok].pre)(p, mt, n, meta);
+ if (act->pre != NULL)
+ c = (*act->pre)(p, mt, n, meta);
if (c && n->child)
print_man_nodelist(p, mt, n->child, meta);
- if (termacts[n->tok].post)
- (*termacts[n->tok].post)(p, mt, n, meta);
- if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
+ if (act->post != NULL)
+ (*act->post)(p, mt, n, meta);
+ if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
term_fontrepl(p, TERMFONT_NONE);
out:
if (mt->fl & MANT_LITERAL &&
! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
(n->next == NULL || n->next->flags & NODE_LINE)) {
- rm = p->rmargin;
- rmax = p->maxrmargin;
- p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
- p->flags |= TERMP_NOSPACE;
+ p->flags |= TERMP_BRNEVER | TERMP_NOSPACE;
if (n->string != NULL && *n->string != '\0')
term_flushln(p);
else
term_newln(p);
- if (rm < rmax && n->parent->tok == MAN_HP) {
- p->offset = rm;
- p->rmargin = rmax;
- } else
- p->rmargin = rm;
- p->maxrmargin = rmax;
+ p->flags &= ~TERMP_BRNEVER;
+ if (p->tcol->rmargin < p->maxrmargin &&
+ n->parent->tok == MAN_HP) {
+ p->tcol->offset = p->tcol->rmargin;
+ p->tcol->rmargin = p->maxrmargin;
+ }
}
if (NODE_EOS & n->flags)
p->flags |= TERMP_SENTENCE;
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
p->trailspace = 1;
- p->offset = 0;
- p->rmargin = p->maxrmargin > datelen ?
+ p->tcol->offset = 0;
+ p->tcol->rmargin = p->maxrmargin > datelen ?
(p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
if (meta->os)
/* At the bottom in the middle: manual date. */
- p->offset = p->rmargin;
+ p->tcol->offset = p->tcol->rmargin;
titlen = term_strlen(p, title);
- p->rmargin = p->maxrmargin > titlen ? p->maxrmargin - titlen : 0;
+ p->tcol->rmargin = p->maxrmargin > titlen ?
+ p->maxrmargin - titlen : 0;
p->flags |= TERMP_NOSPACE;
term_word(p, meta->date);
p->flags &= ~TERMP_NOBREAK;
p->flags |= TERMP_NOSPACE;
p->trailspace = 0;
- 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);
+
+ /*
+ * Reset the terminal state for more output after the footer:
+ * Some output modes, in particular PostScript and PDF, print
+ * the header and the footer into a buffer such that it can be
+ * reused for multiple output pages, then go on to format the
+ * main text.
+ */
+
+ p->tcol->offset = 0;
+ p->flags = 0;
+
free(title);
}
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;
/* At the top in the middle: manual volume. */
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;
/*
* Groff prints three blank lines before the content.
git.ckatri.com / mandoc.git / blobdiff