-/* $Id: man_term.c,v 1.225 2018/12/31 11:01:37 schwarze Exp $ */
+/* $Id: man_term.c,v 1.232 2019/07/23 17:53:35 schwarze Exp $ */
/*
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2015, 2017-2019 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 <string.h>
#include "mandoc_aux.h"
+#include "mandoc.h"
#include "roff.h"
#include "man.h"
#include "out.h"
#include "term.h"
+#include "tag.h"
#include "main.h"
#define MAXMARGINS 64 /* maximum number of indented scopes */
static void post_HP(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 void tag_man(struct termp *, struct roff_node *);
+
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_SS, post_SH, 0 }, /* SS */
{ pre_TP, post_TP, 0 }, /* TP */
{ pre_TP, post_TP, 0 }, /* TQ */
{ pre_abort, NULL, 0 }, /* LP */
void
terminal_man(void *arg, const struct roff_meta *man)
{
- struct termp *p;
- struct roff_node *n;
struct mtermp mt;
+ struct termp *p;
+ struct roff_node *n, *nc, *nn;
size_t save_defindent;
p = (struct termp *)arg;
term_tab_set(p, "T");
term_tab_set(p, ".5i");
- memset(&mt, 0, sizeof(struct mtermp));
+ memset(&mt, 0, sizeof(mt));
mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
mt.offset = term_len(p, p->defindent);
mt.pardist = 1;
n = man->first->child;
if (p->synopsisonly) {
- while (n != NULL) {
- if (n->tok == MAN_SH &&
- n->child->child->type == ROFFT_TEXT &&
- !strcmp(n->child->child->string, "SYNOPSIS")) {
- if (n->child->next->child != NULL)
- print_man_nodelist(p, &mt,
- n->child->next->child, man);
- term_newln(p);
+ for (nn = NULL; n != NULL; n = n->next) {
+ if (n->tok != MAN_SH)
+ continue;
+ nc = n->child->child;
+ if (nc->type != ROFFT_TEXT)
+ continue;
+ if (strcmp(nc->string, "SYNOPSIS") == 0)
break;
- }
- n = n->next;
+ if (nn == NULL && strcmp(nc->string, "NAME") == 0)
+ nn = n;
}
+ if (n == NULL)
+ n = nn;
+ p->flags |= TERMP_NOSPACE;
+ if (n != NULL && (n = n->child->next->child) != NULL)
+ print_man_nodelist(p, &mt, n, man);
+ term_newln(p);
} else {
term_begin(p, print_man_head, print_man_foot, man);
p->flags |= TERMP_NOSPACE;
term_newln(p);
- if (n->body && n->body->child)
+ if (n->body != NULL && n->body->child != NULL)
if (n->body->child->type == ROFFT_TBL)
return;
if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
- if (NULL == n->prev)
+ if (n->prev == NULL)
return;
for (i = 0; i < pardist; i++)
static int
pre_ign(DECL_ARGS)
{
-
return 0;
}
static int
pre_I(DECL_ARGS)
{
-
term_fontrepl(p, TERMFONT_UNDER);
return 1;
}
assert(nn->type == ROFFT_TEXT);
term_word(p, nn->string);
if (nn->flags & NODE_EOS)
- p->flags |= TERMP_SENTENCE;
- if (nn->next)
+ p->flags |= TERMP_SENTENCE;
+ if (nn->next != NULL)
p->flags |= TERMP_NOSPACE;
}
return 0;
static int
pre_B(DECL_ARGS)
{
-
term_fontrepl(p, TERMFONT_BOLD);
return 1;
}
static int
pre_OP(DECL_ARGS)
{
-
term_word(p, "[");
p->flags |= TERMP_KEEP | TERMP_NOSPACE;
- if (NULL != (n = n->child)) {
+ if ((n = n->child) != NULL) {
term_fontrepl(p, TERMFONT_BOLD);
term_word(p, n->string);
}
- if (NULL != n && NULL != n->next) {
+ if (n != NULL && n->next != NULL) {
term_fontrepl(p, TERMFONT_UNDER);
term_word(p, n->next->string);
}
-
term_fontrepl(p, TERMFONT_NONE);
p->flags &= ~TERMP_KEEP;
p->flags |= TERMP_NOSPACE;
cp = n->child->string;
less = 0;
- if ('-' == *cp)
+ if (*cp == '-')
less = -1;
- else if ('+' == *cp)
+ else if (*cp == '+')
less = 1;
else
cp--;
case ROFFT_BLOCK:
print_bvspace(p, n, mt->pardist);
return 1;
+ case ROFFT_HEAD:
+ return 0;
case ROFFT_BODY:
break;
default:
- return 0;
+ abort();
}
- if ((n->flags & NODE_NOFILL) == 0) {
+ if (n->child == NULL)
+ return 0;
+
+ if ((n->child->flags & NODE_NOFILL) == 0) {
p->flags |= TERMP_NOBREAK | TERMP_BRIND;
p->trailspace = 2;
}
static void
post_HP(DECL_ARGS)
{
-
switch (n->type) {
+ case ROFFT_BLOCK:
+ case ROFFT_HEAD:
+ break;
case ROFFT_BODY:
term_newln(p);
p->tcol->rmargin = p->maxrmargin;
break;
default:
- break;
+ abort();
}
}
static int
pre_PP(DECL_ARGS)
{
-
switch (n->type) {
case ROFFT_BLOCK:
mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
print_bvspace(p, n, mt->pardist);
break;
- default:
+ case ROFFT_HEAD:
+ return 0;
+ case ROFFT_BODY:
p->tcol->offset = mt->offset;
break;
+ default:
+ abort();
}
-
- return n->type != ROFFT_HEAD;
+ return 1;
}
static int
int len;
switch (n->type) {
- case ROFFT_BODY:
- p->flags |= TERMP_NOSPACE;
- break;
+ case ROFFT_BLOCK:
+ print_bvspace(p, n, mt->pardist);
+ return 1;
case ROFFT_HEAD:
p->flags |= TERMP_NOBREAK;
p->trailspace = 1;
break;
- case ROFFT_BLOCK:
- print_bvspace(p, n, mt->pardist);
- /* FALLTHROUGH */
+ case ROFFT_BODY:
+ p->flags |= TERMP_NOSPACE;
+ break;
default:
- return 1;
+ abort();
}
/* Calculate the offset from the optional second argument. */
case ROFFT_HEAD:
p->tcol->offset = mt->offset;
p->tcol->rmargin = mt->offset + len;
- if (n->child)
+ if (n->child != NULL) {
print_man_node(p, mt, n->child, meta);
+ tag_man(p, n->child);
+ }
return 0;
case ROFFT_BODY:
p->tcol->offset = mt->offset + len;
p->tcol->rmargin = p->maxrmargin;
break;
default:
- break;
+ abort();
}
return 1;
}
post_IP(DECL_ARGS)
{
switch (n->type) {
+ case ROFFT_BLOCK:
+ break;
case ROFFT_HEAD:
term_flushln(p);
p->flags &= ~TERMP_NOBREAK;
p->tcol->offset = mt->offset;
break;
default:
- break;
+ abort();
}
}
int len;
switch (n->type) {
+ case ROFFT_BLOCK:
+ if (n->tok == MAN_TP)
+ print_bvspace(p, n, mt->pardist);
+ return 1;
case ROFFT_HEAD:
p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
p->trailspace = 1;
case ROFFT_BODY:
p->flags |= TERMP_NOSPACE;
break;
- case ROFFT_BLOCK:
- if (n->tok == MAN_TP)
- print_bvspace(p, n, mt->pardist);
- /* FALLTHROUGH */
default:
- return 1;
+ abort();
}
/* Calculate offset. */
/* Don't print same-line elements. */
nn = n->child;
- while (NULL != nn && 0 == (NODE_LINE & nn->flags))
+ while (nn != NULL && (nn->flags & NODE_LINE) == 0)
nn = nn->next;
- while (NULL != nn) {
+ if (nn == NULL)
+ return 0;
+
+ if (nn->type == ROFFT_TEXT)
+ tag_man(p, nn);
+ else if (nn->child != NULL &&
+ nn->child->type == ROFFT_TEXT &&
+ (nn->tok == MAN_B || nn->tok == MAN_BI ||
+ nn->tok == MAN_BR || nn->tok == MAN_I ||
+ nn->tok == MAN_IB || nn->tok == MAN_IR))
+ tag_man(p, nn->child);
+
+ while (nn != NULL) {
print_man_node(p, mt, nn, meta);
nn = nn->next;
}
p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
break;
default:
- break;
+ abort();
}
return 1;
}
post_TP(DECL_ARGS)
{
switch (n->type) {
+ case ROFFT_BLOCK:
+ break;
case ROFFT_HEAD:
term_flushln(p);
break;
p->tcol->offset = mt->offset;
break;
default:
- break;
+ abort();
}
}
default:
break;
}
-
return 1;
}
-static void
-post_SS(DECL_ARGS)
-{
-
- switch (n->type) {
- case ROFFT_HEAD:
- term_newln(p);
- break;
- case ROFFT_BODY:
- term_newln(p);
- break;
- default:
- break;
- }
-}
-
static int
pre_SH(DECL_ARGS)
{
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
break;
default:
- break;
+ abort();
}
-
return 1;
}
static void
post_SH(DECL_ARGS)
{
-
switch (n->type) {
- case ROFFT_HEAD:
- term_newln(p);
+ case ROFFT_BLOCK:
break;
+ case ROFFT_HEAD:
case ROFFT_BODY:
term_newln(p);
break;
default:
- break;
+ abort();
}
}
return 1;
case ROFFT_HEAD:
return 0;
- default:
+ case ROFFT_BODY:
break;
+ default:
+ abort();
}
n = n->parent->head;
static void
post_RS(DECL_ARGS)
{
-
switch (n->type) {
case ROFFT_BLOCK:
- return;
case ROFFT_HEAD:
return;
- default:
- term_newln(p);
+ case ROFFT_BODY:
break;
+ default:
+ abort();
}
-
+ term_newln(p);
mt->offset -= n->parent->head->aux;
p->tcol->offset = mt->offset;
-
if (--mt->lmarginsz < MAXMARGINS)
mt->lmargincur = mt->lmarginsz;
}
case ROFFT_HEAD:
p->tcol->offset = mt->offset;
p->tcol->rmargin = mt->offset + len;
- p->flags |= TERMP_NOBREAK;
+ if (n->next->child == NULL ||
+ (n->next->child->flags & NODE_NOFILL) == 0)
+ p->flags |= TERMP_NOBREAK;
term_fontrepl(p, TERMFONT_BOLD);
break;
case ROFFT_BODY:
post_SY(DECL_ARGS)
{
switch (n->type) {
+ case ROFFT_BLOCK:
+ break;
case ROFFT_HEAD:
term_flushln(p);
p->flags &= ~TERMP_NOBREAK;
p->tcol->offset = mt->offset;
break;
default:
- break;
+ abort();
}
}
static int
pre_UR(DECL_ARGS)
{
-
return n->type != ROFFT_HEAD;
}
static void
post_UR(DECL_ARGS)
{
-
if (n->type != ROFFT_BLOCK)
return;
term_word(p, "<");
p->flags |= TERMP_NOSPACE;
- if (NULL != n->child->child)
+ if (n->child->child != NULL)
print_man_node(p, mt, n->child->child, meta);
p->flags |= TERMP_NOSPACE;
if (act->pre != NULL)
c = (*act->pre)(p, mt, n, meta);
- if (c && n->child)
+ if (c && n->child != NULL)
print_man_nodelist(p, mt, n->child, meta);
if (act->post != NULL)
p->tcol->rmargin = p->maxrmargin;
}
}
- if (NODE_EOS & n->flags)
+ if (n->flags & NODE_EOS)
p->flags |= TERMP_SENTENCE;
}
-
static void
print_man_nodelist(DECL_ARGS)
{
-
while (n != NULL) {
print_man_node(p, mt, n, meta);
n = n->next;
}
mandoc_asprintf(&title, "%s(%s)",
meta->title, meta->msec);
- } else if (meta->os) {
+ } else if (meta->os != NULL) {
title = mandoc_strdup(meta->os);
} else {
title = mandoc_strdup("");
}
free(title);
}
+
+/*
+ * Skip leading whitespace, dashes, backslashes, and font escapes,
+ * then create a tag if the first following byte is a letter.
+ * Priority is high unless whitespace is present.
+ */
+static void
+tag_man(struct termp *p, struct roff_node *n)
+{
+ const char *cp, *arg;
+ int prio, sz;
+
+ assert(n->type == ROFFT_TEXT);
+ cp = n->string;
+ prio = 1;
+ for (;;) {
+ switch (*cp) {
+ case ' ':
+ case '\t':
+ prio = INT_MAX;
+ /* FALLTHROUGH */
+ case '-':
+ cp++;
+ break;
+ case '\\':
+ cp++;
+ switch (mandoc_escape(&cp, &arg, &sz)) {
+ case ESCAPE_FONT:
+ case ESCAPE_FONTROMAN:
+ case ESCAPE_FONTITALIC:
+ case ESCAPE_FONTBOLD:
+ case ESCAPE_FONTPREV:
+ case ESCAPE_FONTBI:
+ break;
+ case ESCAPE_SPECIAL:
+ if (sz != 1)
+ return;
+ switch (*arg) {
+ case '&':
+ case '-':
+ case 'e':
+ break;
+ default:
+ return;
+ }
+ break;
+ default:
+ return;
+ }
+ break;
+ default:
+ if (isalpha((unsigned char)*cp))
+ tag_put(cp, prio, p->line);
+ return;
+ }
+ }
+}
git.ckatri.com / mandoc.git / blobdiff