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docbook2mdoc.c
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docbook2mdoc.c
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/* $Id: docbook2mdoc.c,v 1.148 2019/05/02 04:15:40 schwarze Exp $ */
/*
* Copyright (c) 2014 Kristaps Dzonsons <[email protected]>
* Copyright (c) 2019 Ingo Schwarze <[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "xmalloc.h"
#include "node.h"
#include "macro.h"
#include "format.h"
/*
* The implementation of the mdoc(7) formatter.
*/
static void pnode_print(struct format *, struct pnode *);
static void
pnode_printtext(struct format *f, struct pnode *n)
{
struct pnode *nn;
char *cp;
int accept_arg;
para_check(f);
cp = n->b;
accept_arg = f->flags & FMT_ARG;
if (f->linestate == LINE_MACRO && !accept_arg &&
(n->flags & NFLAG_SPC) == 0) {
for (;;) {
if (*cp == '\0')
return;
if (strchr("!),.:;?]", *cp) == NULL)
break;
printf(" %c", *cp++);
}
if (isspace((unsigned char)*cp)) {
while (isspace((unsigned char)*cp))
cp++;
n->flags |= NFLAG_SPC;
} else {
f->flags &= ~FMT_NOSPC;
f->flags |= FMT_CHILD;
macro_open(f, "Ns");
f->flags &= ~FMT_ARG;
f->flags |= FMT_CHILD;
accept_arg = 1;
}
}
if (f->linestate == LINE_MACRO && f->nofill == 0 &&
!accept_arg && (f->flags & FMT_IMPL) == 0)
macro_close(f);
/*
* Text preceding a macro without intervening whitespace
* requires a .Pf macro.
* Set the spacing flag to avoid a redundant .Ns macro.
*/
if ((f->nofill || f->linestate != LINE_MACRO) &&
(nn = TAILQ_NEXT(n, child)) != NULL &&
(nn->flags & NFLAG_SPC) == 0) {
switch (pnode_class(nn->node)) {
case CLASS_LINE:
case CLASS_ENCL:
macro_open(f, "Pf");
accept_arg = 1;
f->flags |= FMT_CHILD;
nn->flags |= NFLAG_SPC;
break;
default:
break;
}
}
switch (f->linestate) {
case LINE_NEW:
break;
case LINE_TEXT:
if (n->flags & NFLAG_SPC) {
if (n->flags & NFLAG_LINE &&
pnode_class(n->node) == CLASS_TEXT)
macro_close(f);
else
putchar(' ');
}
break;
case LINE_MACRO:
if (accept_arg == 0) {
if (f->nofill) {
f->flags &= ~FMT_NOSPC;
f->flags |= FMT_CHILD;
macro_open(f, "No ");
f->flags &= ~FMT_ARG;
f->flags |= FMT_CHILD;
} else
macro_close(f);
} else if (n->flags & NFLAG_SPC ||
(f->flags & FMT_ARG) == 0 ||
(nn = TAILQ_PREV(n, pnodeq, child)) == NULL ||
pnode_class(nn->node) != CLASS_TEXT)
putchar(' ');
break;
}
if (n->node == NODE_ESCAPE) {
fputs(n->b, stdout);
if (f->linestate == LINE_NEW)
f->linestate = LINE_TEXT;
return;
}
/*
* Remove the prefix '-' from <option> elements
* because the arguments of .Fl macros do not need it.
*/
if (n->parent != NULL && n->parent->node == NODE_OPTION && *cp == '-')
cp++;
if (f->linestate == LINE_MACRO)
macro_addarg(f, cp, 0);
else
print_text(f, cp, 0);
}
static void
pnode_printimagedata(struct format *f, struct pnode *n)
{
const char *cp;
if ((cp = pnode_getattr_raw(n, ATTRKEY_FILEREF, NULL)) == NULL)
cp = pnode_getattr_raw(n, ATTRKEY_ENTITYREF, NULL);
if (cp != NULL) {
print_text(f, "[image:", ARG_SPACE);
print_text(f, cp, ARG_SPACE);
print_text(f, "]", 0);
} else
print_text(f, "[image]", ARG_SPACE);
}
static void
pnode_printrefnamediv(struct format *f, struct pnode *n)
{
struct pnode *nc, *nn;
int comma;
f->parastate = PARA_HAVE;
macro_line(f, "Sh NAME");
f->parastate = PARA_HAVE;
comma = 0;
TAILQ_FOREACH_SAFE(nc, &n->childq, child, nn) {
if (nc->node != NODE_REFNAME)
continue;
if (comma)
macro_addarg(f, ",", ARG_SPACE);
macro_open(f, "Nm");
macro_addnode(f, nc, ARG_SPACE);
pnode_unlink(nc);
comma = 1;
}
macro_close(f);
}
/*
* If the SYNOPSIS macro has a superfluous title, kill it.
*/
static void
pnode_printrefsynopsisdiv(struct format *f, struct pnode *n)
{
struct pnode *nc, *nn;
TAILQ_FOREACH_SAFE(nc, &n->childq, child, nn)
if (nc->node == NODE_TITLE)
pnode_unlink(nc);
f->parastate = PARA_HAVE;
macro_line(f, "Sh SYNOPSIS");
f->parastate = PARA_HAVE;
}
/*
* Start a hopefully-named `Sh' section.
*/
static void
pnode_printsection(struct format *f, struct pnode *n)
{
struct pnode *nc, *ncc;
int flags, level;
if (n->parent == NULL)
return;
level = ++f->level;
flags = ARG_SPACE;
switch (n->node) {
case NODE_SECTION:
case NODE_APPENDIX:
if (level == 1)
flags |= ARG_UPPER;
break;
case NODE_SIMPLESECT:
if (level < 2)
level = 2;
break;
case NODE_NOTE:
if (level < 3)
level = 3;
break;
default:
abort();
}
TAILQ_FOREACH(nc, &n->childq, child)
if (nc->node == NODE_TITLE)
break;
switch (level) {
case 1:
macro_close(f);
f->parastate = PARA_HAVE;
macro_open(f, "Sh");
break;
case 2:
macro_close(f);
f->parastate = PARA_HAVE;
macro_open(f, "Ss");
break;
default:
if (f->parastate == PARA_MID)
f->parastate = PARA_WANT;
macro_open(f, "Sy");
break;
}
macro_addnode(f, nc, flags);
macro_close(f);
/*
* DocBook has no equivalent for -split mode,
* so just switch the default in the AUTHORS section.
*/
if (nc != NULL) {
if (level == 1 &&
(ncc = TAILQ_FIRST(&nc->childq)) != NULL &&
ncc->node == NODE_TEXT &&
strcasecmp(ncc->b, "AUTHORS") == 0)
macro_line(f, "An -nosplit");
pnode_unlink(nc);
}
f->parastate = level > 2 ? PARA_WANT : PARA_HAVE;
}
/*
* Start a reference, extracting the title and volume.
*/
static void
pnode_printciterefentry(struct format *f, struct pnode *n)
{
struct pnode *nc, *title, *manvol;
title = manvol = NULL;
TAILQ_FOREACH(nc, &n->childq, child) {
if (nc->node == NODE_MANVOLNUM)
manvol = nc;
else if (nc->node == NODE_REFENTRYTITLE)
title = nc;
}
macro_open(f, "Xr");
if (title == NULL)
macro_addarg(f, "unknown", ARG_SPACE);
else
macro_addnode(f, title, ARG_SPACE | ARG_SINGLE);
if (manvol == NULL)
macro_addarg(f, "1", ARG_SPACE);
else
macro_addnode(f, manvol, ARG_SPACE | ARG_SINGLE);
pnode_unlinksub(n);
}
/*
* The <mml:mfenced> node is a little peculiar.
* First, it can have arbitrary open and closing tokens, which default
* to parentheses.
* Second, >1 arguments are separated by commas.
*/
static void
pnode_printmathfenced(struct format *f, struct pnode *n)
{
struct pnode *nc;
printf("left %s ", pnode_getattr_raw(n, ATTRKEY_OPEN, "("));
nc = TAILQ_FIRST(&n->childq);
pnode_print(f, nc);
while ((nc = TAILQ_NEXT(nc, child)) != NULL) {
putchar(',');
pnode_print(f, nc);
}
printf("right %s ", pnode_getattr_raw(n, ATTRKEY_CLOSE, ")"));
pnode_unlinksub(n);
}
/*
* These math nodes require special handling because they have infix
* syntax, instead of the usual prefix or prefix.
* So we need to break up the first and second child node with a
* particular eqn(7) word.
*/
static void
pnode_printmath(struct format *f, struct pnode *n)
{
struct pnode *nc;
nc = TAILQ_FIRST(&n->childq);
pnode_print(f, nc);
switch (n->node) {
case NODE_MML_MSUP:
fputs(" sup ", stdout);
break;
case NODE_MML_MFRAC:
fputs(" over ", stdout);
break;
case NODE_MML_MSUB:
fputs(" sub ", stdout);
break;
default:
break;
}
nc = TAILQ_NEXT(nc, child);
pnode_print(f, nc);
pnode_unlinksub(n);
}
static void
pnode_printfuncprototype(struct format *f, struct pnode *n)
{
struct pnode *fdef, *fps, *ftype, *nc, *nn;
/*
* Extract <funcdef> child and ignore <void> child.
* Leave other children in place, to be treated as parameters.
*/
fdef = NULL;
TAILQ_FOREACH_SAFE(nc, &n->childq, child, nn) {
switch (nc->node) {
case NODE_FUNCDEF:
if (fdef == NULL) {
fdef = nc;
TAILQ_REMOVE(&n->childq, nc, child);
nc->parent = NULL;
}
break;
case NODE_VOID:
pnode_unlink(nc);
break;
default:
break;
}
}
/*
* If no children are left, the function is void; use .Fn.
* Otherwise, use .Fo.
*/
nc = TAILQ_FIRST(&n->childq);
if (fdef != NULL) {
ftype = TAILQ_FIRST(&fdef->childq);
if (ftype != NULL && ftype->node == NODE_TEXT) {
macro_argline(f, "Ft", ftype->b);
pnode_unlink(ftype);
}
if (nc == NULL) {
macro_open(f, "Fn");
macro_addnode(f, fdef, ARG_SPACE | ARG_SINGLE);
macro_addarg(f, "void", ARG_SPACE);
macro_close(f);
} else
macro_nodeline(f, "Fo", fdef, ARG_SINGLE);
pnode_unlink(fdef);
} else if (nc == NULL)
macro_line(f, "Fn UNKNOWN void");
else
macro_line(f, "Fo UNKNOWN");
if (nc == NULL)
return;
while (nc != NULL) {
if ((fps = pnode_takefirst(nc, NODE_FUNCPARAMS)) != NULL) {
macro_open(f, "Fa \"");
macro_addnode(f, nc, ARG_QUOTED);
macro_addarg(f, "(", ARG_QUOTED);
macro_addnode(f, fps, ARG_QUOTED);
macro_addarg(f, ")", ARG_QUOTED);
putchar('"');
macro_close(f);
} else
macro_nodeline(f, "Fa", nc, ARG_SINGLE);
pnode_unlink(nc);
nc = TAILQ_FIRST(&n->childq);
}
macro_line(f, "Fc");
}
/*
* The <arg> element is more complicated than it should be because text
* nodes are treated like ".Ar foo", but non-text nodes need to be
* re-sent into the printer (i.e., without the preceding ".Ar").
* This also handles the case of "repetition" (or in other words, the
* ellipsis following an argument) and optionality.
*/
static void
pnode_printarg(struct format *f, struct pnode *n)
{
struct pnode *nc;
struct pattr *a;
int isop, isrep, was_impl;
isop = 1;
isrep = was_impl = 0;
TAILQ_FOREACH(a, &n->attrq, child) {
if (a->key == ATTRKEY_CHOICE &&
(a->val == ATTRVAL_PLAIN || a->val == ATTRVAL_REQ))
isop = 0;
else if (a->key == ATTRKEY_REP && a->val == ATTRVAL_REPEAT)
isrep = 1;
}
if (isop) {
if (f->flags & FMT_IMPL) {
was_impl = 1;
macro_open(f, "Oo");
} else {
macro_open(f, "Op");
f->flags |= FMT_IMPL;
}
}
TAILQ_FOREACH(nc, &n->childq, child) {
if (nc->node == NODE_TEXT)
macro_open(f, "Ar");
pnode_print(f, nc);
}
if (isrep && f->linestate == LINE_MACRO)
macro_addarg(f, "...", ARG_SPACE);
if (isop) {
if (was_impl)
macro_open(f, "Oc");
else
f->flags &= ~FMT_IMPL;
}
pnode_unlinksub(n);
}
static void
pnode_printgroup(struct format *f, struct pnode *n)
{
struct pnode *nc;
struct pattr *a;
int bar, isop, isrep, was_impl;
isop = 1;
isrep = was_impl = 0;
TAILQ_FOREACH(a, &n->attrq, child) {
if (a->key == ATTRKEY_CHOICE &&
(a->val == ATTRVAL_PLAIN || a->val == ATTRVAL_REQ))
isop = 0;
else if (a->key == ATTRKEY_REP && a->val == ATTRVAL_REPEAT)
isrep = 1;
}
if (isop) {
if (f->flags & FMT_IMPL) {
was_impl = 1;
macro_open(f, "Oo");
} else {
macro_open(f, "Op");
f->flags |= FMT_IMPL;
}
} else if (isrep) {
if (f->flags & FMT_IMPL) {
was_impl = 1;
macro_open(f, "Bro");
} else {
macro_open(f, "Brq");
f->flags |= FMT_IMPL;
}
}
bar = 0;
TAILQ_FOREACH(nc, &n->childq, child) {
if (bar && f->linestate == LINE_MACRO)
macro_addarg(f, "|", ARG_SPACE);
pnode_print(f, nc);
bar = 1;
}
if (isop) {
if (was_impl)
macro_open(f, "Oc");
else
f->flags &= ~FMT_IMPL;
} else if (isrep) {
if (was_impl)
macro_open(f, "Brc");
else
f->flags &= ~FMT_IMPL;
}
if (isrep && f->linestate == LINE_MACRO)
macro_addarg(f, "...", ARG_SPACE);
pnode_unlinksub(n);
}
static void
pnode_printsystemitem(struct format *f, struct pnode *n)
{
switch (pnode_getattr(n, ATTRKEY_CLASS)) {
case ATTRVAL_IPADDRESS:
break;
case ATTRVAL_SYSTEMNAME:
macro_open(f, "Pa");
break;
case ATTRVAL_EVENT:
default:
macro_open(f, "Sy");
break;
}
}
static void
pnode_printauthor(struct format *f, struct pnode *n)
{
struct pnode *nc, *nn;
int have_contrib, have_name;
/*
* Print <contrib> children up front, before the .An scope,
* and figure out whether we a name of a person.
*/
have_contrib = have_name = 0;
TAILQ_FOREACH_SAFE(nc, &n->childq, child, nn) {
switch (nc->node) {
case NODE_CONTRIB:
if (have_contrib)
print_text(f, ",", 0);
print_textnode(f, nc);
pnode_unlink(nc);
have_contrib = 1;
break;
case NODE_PERSONNAME:
have_name = 1;
break;
default:
break;
}
}
if (TAILQ_FIRST(&n->childq) == NULL)
return;
if (have_contrib)
print_text(f, ":", 0);
/*
* If we have a name, print it in the .An scope and leave
* all other content for child handlers, to print after the
* scope. Otherwise, print everything in the scope.
*/
macro_open(f, "An");
TAILQ_FOREACH_SAFE(nc, &n->childq, child, nn) {
if (nc->node == NODE_PERSONNAME || have_name == 0) {
macro_addnode(f, nc, ARG_SPACE);
pnode_unlink(nc);
}
}
/*
* If there is an email address,
* print it on the same macro line.
*/
if ((nc = pnode_findfirst(n, NODE_EMAIL)) != NULL) {
f->flags |= FMT_CHILD;
macro_open(f, "Aq Mt");
macro_addnode(f, nc, ARG_SPACE);
pnode_unlink(nc);
}
/*
* If there are still unprinted children, end the scope
* with a comma. Otherwise, leave the scope open in case
* a text node follows that starts with closing punctuation.
*/
if (TAILQ_FIRST(&n->childq) != NULL) {
macro_addarg(f, ",", ARG_SPACE);
macro_close(f);
}
}
static void
pnode_printxref(struct format *f, struct pnode *n)
{
const char *linkend;
linkend = pnode_getattr_raw(n, ATTRKEY_LINKEND, NULL);
if (linkend != NULL) {
macro_open(f, "Sx");
macro_addarg(f, linkend, ARG_SPACE);
}
}
static void
pnode_printlink(struct format *f, struct pnode *n)
{
struct pnode *nc;
const char *uri, *text;
uri = pnode_getattr_raw(n, ATTRKEY_LINKEND, NULL);
if (uri != NULL) {
if (TAILQ_FIRST(&n->childq) != NULL) {
TAILQ_FOREACH(nc, &n->childq, child)
pnode_print(f, nc);
text = "";
} else if ((text = pnode_getattr_raw(n,
ATTRKEY_ENDTERM, NULL)) != NULL) {
if (f->linestate == LINE_MACRO && f->flags & FMT_ARG)
macro_addarg(f, text, ARG_SPACE);
else
print_text(f, text, ARG_SPACE);
}
if (text != NULL) {
if (f->flags & FMT_IMPL)
macro_open(f, "Po");
else {
macro_open(f, "Pq");
f->flags |= FMT_CHILD;
}
}
macro_open(f, "Sx");
macro_addarg(f, uri, ARG_SPACE);
if (text != NULL && f->flags & FMT_IMPL)
macro_open(f, "Pc");
pnode_unlinksub(n);
return;
}
uri = pnode_getattr_raw(n, ATTRKEY_XLINK_HREF, NULL);
if (uri == NULL)
uri = pnode_getattr_raw(n, ATTRKEY_URL, NULL);
if (uri != NULL) {
macro_open(f, "Lk");
macro_addarg(f, uri, ARG_SPACE | ARG_SINGLE);
if (TAILQ_FIRST(&n->childq) != NULL)
macro_addnode(f, n, ARG_SPACE | ARG_SINGLE);
pnode_unlinksub(n);
}
}
static void
pnode_printolink(struct format *f, struct pnode *n)
{
const char *uri, *ptr, *local;
uri = pnode_getattr_raw(n, ATTRKEY_TARGETDOC, NULL);
ptr = pnode_getattr_raw(n, ATTRKEY_TARGETPTR, NULL);
local = pnode_getattr_raw(n, ATTRKEY_LOCALINFO, NULL);
if (uri == NULL) {
uri = ptr;
ptr = NULL;
}
if (uri == NULL) {
uri = local;
local = NULL;
}
if (uri == NULL)
return;
macro_open(f, "Lk");
macro_addarg(f, uri, ARG_SPACE | ARG_SINGLE);
macro_addnode(f, n, ARG_SPACE | ARG_SINGLE);
if (ptr != NULL || local != NULL) {
macro_close(f);
macro_open(f, "Pq");
if (ptr != NULL)
macro_addarg(f, ptr, ARG_SPACE);
if (local != NULL)
macro_addarg(f, local, ARG_SPACE);
}
pnode_unlinksub(n);
}
static void
pnode_printprologue(struct format *f, struct pnode *root)
{
struct pnode *name, *nc;
nc = TAILQ_FIRST(&root->childq);
assert(nc->node == NODE_DATE);
macro_nodeline(f, "Dd", nc, 0);
pnode_unlink(nc);
macro_open(f, "Dt");
name = TAILQ_FIRST(&root->childq);
assert(name->node == NODE_REFENTRYTITLE);
macro_addnode(f, name, ARG_SPACE | ARG_SINGLE | ARG_UPPER);
TAILQ_REMOVE(&root->childq, name, child);
name->parent = NULL;
nc = TAILQ_FIRST(&root->childq);
assert (nc->node == NODE_MANVOLNUM);
macro_addnode(f, nc, ARG_SPACE | ARG_SINGLE);
pnode_unlink(nc);
macro_line(f, "Os");
nc = TAILQ_FIRST(&root->childq);
if (nc != NULL && nc->node == NODE_TITLE) {
macro_line(f, "Sh NAME");
macro_nodeline(f, "Nm", name, ARG_SINGLE);
macro_nodeline(f, "Nd", nc, 0);
pnode_unlink(nc);
}
pnode_unlink(name);
f->parastate = PARA_HAVE;
}
/*
* We can have multiple <term> elements within a <varlistentry>, which
* we should comma-separate as list headers.
*/
static void
pnode_printvarlistentry(struct format *f, struct pnode *n)
{
struct pnode *nc, *nn, *ncc;
int comma;
macro_open(f, "It");
f->parastate = PARA_HAVE;
f->flags |= FMT_IMPL;
comma = -1;
TAILQ_FOREACH_SAFE(nc, &n->childq, child, nn) {
if (nc->node != NODE_TERM && nc->node != NODE_GLOSSTERM)
continue;
if (comma != -1) {
switch (f->linestate) {
case LINE_NEW:
break;
case LINE_TEXT:
print_text(f, ",", 0);
break;
case LINE_MACRO:
macro_addarg(f, ",", comma);
break;
}
}
f->parastate = PARA_HAVE;
comma = (ncc = TAILQ_FIRST(&nc->childq)) == NULL ||
pnode_class(ncc->node) == CLASS_TEXT ? 0 : ARG_SPACE;
pnode_print(f, nc);
pnode_unlink(nc);
}
macro_close(f);
f->parastate = PARA_HAVE;
while ((nc = TAILQ_FIRST(&n->childq)) != NULL) {
pnode_print(f, nc);
pnode_unlink(nc);
}
macro_close(f);
f->parastate = PARA_HAVE;
}
static void
pnode_printtitle(struct format *f, struct pnode *n)
{
struct pnode *nc, *nn;
TAILQ_FOREACH_SAFE(nc, &n->childq, child, nn) {
if (nc->node == NODE_TITLE) {
if (f->parastate == PARA_MID)
f->parastate = PARA_WANT;
macro_nodeline(f, "Sy", nc, 0);
pnode_unlink(nc);
}
}
}
static void
pnode_printrow(struct format *f, struct pnode *n)
{
struct pnode *nc;
macro_line(f, "Bl -dash -compact");
TAILQ_FOREACH(nc, &n->childq, child) {
macro_line(f, "It");
pnode_print(f, nc);
}
macro_line(f, "El");
pnode_unlink(n);
}
static void
pnode_printtgroup1(struct format *f, struct pnode *n)
{
struct pnode *nc;
macro_line(f, "Bl -bullet -compact");
while ((nc = pnode_findfirst(n, NODE_ENTRY)) != NULL) {
macro_line(f, "It");
f->parastate = PARA_HAVE;
pnode_print(f, nc);
f->parastate = PARA_HAVE;
pnode_unlink(nc);
}
macro_line(f, "El");
pnode_unlinksub(n);
}
static void
pnode_printtgroup2(struct format *f, struct pnode *n)
{
struct pnode *nr, *ne;
f->parastate = PARA_HAVE;
macro_line(f, "Bl -tag -width Ds");
while ((nr = pnode_findfirst(n, NODE_ROW)) != NULL) {
if ((ne = pnode_findfirst(n, NODE_ENTRY)) == NULL)
break;
macro_open(f, "It");
f->flags |= FMT_IMPL;
f->parastate = PARA_HAVE;
pnode_print(f, ne);
macro_close(f);
pnode_unlink(ne);
f->parastate = PARA_HAVE;
pnode_print(f, nr);
f->parastate = PARA_HAVE;
pnode_unlink(nr);
}
macro_line(f, "El");
f->parastate = PARA_WANT;
pnode_unlinksub(n);
}
static void
pnode_printtgroup(struct format *f, struct pnode *n)
{
struct pnode *nc;
switch (atoi(pnode_getattr_raw(n, ATTRKEY_COLS, "0"))) {
case 1:
pnode_printtgroup1(f, n);
return;
case 2:
pnode_printtgroup2(f, n);
return;
default:
break;
}
f->parastate = PARA_HAVE;
macro_line(f, "Bl -ohang");
while ((nc = pnode_findfirst(n, NODE_ROW)) != NULL) {
macro_line(f, "It Table Row");
pnode_printrow(f, nc);
}
macro_line(f, "El");
f->parastate = PARA_WANT;
pnode_unlinksub(n);
}
static void
pnode_printlist(struct format *f, struct pnode *n)
{
struct pnode *nc;
pnode_printtitle(f, n);
f->parastate = PARA_HAVE;
macro_argline(f, "Bl",
n->node == NODE_ORDEREDLIST ? "-enum" : "-bullet");
TAILQ_FOREACH(nc, &n->childq, child) {
macro_line(f, "It");
f->parastate = PARA_HAVE;
pnode_print(f, nc);
f->parastate = PARA_HAVE;
}
macro_line(f, "El");
f->parastate = PARA_WANT;
pnode_unlinksub(n);
}
static void
pnode_printvariablelist(struct format *f, struct pnode *n)
{
struct pnode *nc;
pnode_printtitle(f, n);
f->parastate = PARA_HAVE;
macro_line(f, "Bl -tag -width Ds");
TAILQ_FOREACH(nc, &n->childq, child) {
if (nc->node == NODE_VARLISTENTRY)
pnode_printvarlistentry(f, nc);
else
macro_nodeline(f, "It", nc, 0);
}
macro_line(f, "El");
f->parastate = PARA_WANT;
pnode_unlinksub(n);
}
/*
* Print a parsed node (or ignore it--whatever).
* This is a recursive function.
* FIXME: if we're in a literal context (<screen> or <programlisting> or
* whatever), don't print inline macros.
*/
static void
pnode_print(struct format *f, struct pnode *n)
{
struct pnode *nc, *nn;
int was_impl;
if (n == NULL)
return;
if (n->flags & NFLAG_LINE &&
(f->nofill || (f->flags & (FMT_ARG | FMT_IMPL)) == 0))
macro_close(f);
was_impl = f->flags & FMT_IMPL;
if (n->flags & NFLAG_SPC)
f->flags &= ~FMT_NOSPC;
else
f->flags |= FMT_NOSPC;
switch (n->node) {
case NODE_ARG:
pnode_printarg(f, n);
break;
case NODE_AUTHOR:
pnode_printauthor(f, n);
break;
case NODE_AUTHORGROUP:
macro_line(f, "An -split");
break;
case NODE_BLOCKQUOTE:
f->parastate = PARA_HAVE;
macro_line(f, "Bd -ragged -offset indent");
f->parastate = PARA_HAVE;
break;
case NODE_CITEREFENTRY:
pnode_printciterefentry(f, n);
break;
case NODE_CITETITLE:
macro_open(f, "%T");
break;
case NODE_COMMAND:
macro_open(f, "Nm");
break;
case NODE_CONSTANT:
macro_open(f, "Dv");
break;
case NODE_COPYRIGHT:
print_text(f, "Copyright", ARG_SPACE);
fputs(" \\(co", stdout);
break;
case NODE_EDITOR:
print_text(f, "editor:", ARG_SPACE);
pnode_printauthor(f, n);
break;
case NODE_EMAIL:
if (was_impl)
macro_open(f, "Ao Mt");
else {
macro_open(f, "Aq Mt");
f->flags |= FMT_IMPL;
}
break;
case NODE_EMPHASIS:
case NODE_FIRSTTERM:
case NODE_GLOSSTERM: