mandoc/mdoc_term.c - diff

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Diff for /mandoc/mdoc_term.c between version 1.72 and 1.181

version 1.72, 2009/09/20 11:05:22

version 1.181, 2010/08/09 00:00:37

Line 1

/* $Id$ */

* Permission to use, copy, modify, and distribute this software for any

* purpose with or without fee is hereby granted, provided that the above

Line 14

Line 15

* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <sys/types.h>

#include <assert.h>

#include <ctype.h>

#include <err.h>

#include <stdint.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "mandoc.h"

#include "out.h"

#include "term.h"

#include "mdoc.h"

#include "chars.h"

#include "main.h"

/* FIXME: check HANG lists: they seem to be broken... :

* .Bl -hang -width Ds

* .It a

* b

* .It Fl f Ns Ar option...

* Override default compiler behaviour. See

* .Sx Compiler Options

* for details.

* Override default compiler behaviour. See

* .Sx Compiler Options

* for details.

* Override default compiler behaviour. See

* .Sx Compiler Options

* for details.

* Override default compiler behaviour. See

* .Sx Compiler Options

* for details.

* .

* .It a sasd fasd as afsd sfad sfds sadfs sd sfd ssfad asfd

* Override default compiler behaviour. See

* .Sx Compiler Options

* for details.

* Override default compiler behaviour. See

* .Sx Compiler Options

* for details.

* Override default compiler behaviour. See

* .Sx Compiler Options

* for details.

* Override default compiler behaviour. See

* .Sx Compiler Options

* for details.

* .El

#define INDENT 5

#define HALFINDENT 3

struct termpair {

struct termpair *ppair;

int flag;

int count;

};

#define DECL_ARGS struct termp *p, \

struct termpair *pair, \

const struct mdoc_meta *meta, \

const struct mdoc_meta *m, \

const struct mdoc_node *node

const struct mdoc_node *n

struct termact {

int (*pre)(DECL_ARGS);

void (*post)(DECL_ARGS);

};

static size_t a2width(const struct termp *, const char *);

static size_t a2height(const struct termp *, const char *);

static size_t a2offs(const struct termp *, const char *);

static void print_bvspace(struct termp *,

const struct mdoc_node *,

const struct mdoc_node *);

static void print_mdoc_node(DECL_ARGS);

static void print_mdoc_nodelist(DECL_ARGS);

static void print_mdoc_head(struct termp *, const void *);

static void print_mdoc_foot(struct termp *, const void *);

static void synopsis_pre(struct termp *,

const struct mdoc_node *);

static void termp____post(DECL_ARGS);

static void termp_an_post(DECL_ARGS);

static void termp_aq_post(DECL_ARGS);

static void termp_bd_post(DECL_ARGS);

static void termp_bk_post(DECL_ARGS);

static void termp_bl_post(DECL_ARGS);

static void termp_bq_post(DECL_ARGS);

static void termp_brq_post(DECL_ARGS);

static void termp_bx_post(DECL_ARGS);

static void termp_d1_post(DECL_ARGS);

static void termp_dq_post(DECL_ARGS);

static void termp_fd_post(DECL_ARGS);

static int termp_fd_pre(DECL_ARGS);

static void termp_fn_post(DECL_ARGS);

static void termp_fo_post(DECL_ARGS);

static void termp_ft_post(DECL_ARGS);

static void termp_in_post(DECL_ARGS);

static void termp_it_post(DECL_ARGS);

static void termp_lb_post(DECL_ARGS);

static void termp_nm_post(DECL_ARGS);

static void termp_op_post(DECL_ARGS);

static void termp_pf_post(DECL_ARGS);

static void termp_pq_post(DECL_ARGS);

Line 104 static void termp_qq_post(DECL_ARGS);

Line 91 static void termp_qq_post(DECL_ARGS);

static void termp_sh_post(DECL_ARGS);

static void termp_sq_post(DECL_ARGS);

static void termp_ss_post(DECL_ARGS);

static void termp_vt_post(DECL_ARGS);

static int termp_an_pre(DECL_ARGS);

static int termp_ap_pre(DECL_ARGS);

static int termp_aq_pre(DECL_ARGS);

static int termp_bd_pre(DECL_ARGS);

static int termp_bf_pre(DECL_ARGS);

static int termp_bk_pre(DECL_ARGS);

static int termp_bl_pre(DECL_ARGS);

static int termp_bold_pre(DECL_ARGS);

static int termp_bq_pre(DECL_ARGS);

static int termp_br_pre(DECL_ARGS);

static int termp_brq_pre(DECL_ARGS);

static int termp_bt_pre(DECL_ARGS);

static int termp_cd_pre(DECL_ARGS);

Line 127 static int termp_fo_pre(DECL_ARGS);

Line 114 static int termp_fo_pre(DECL_ARGS);

static int termp_ft_pre(DECL_ARGS);

static int termp_in_pre(DECL_ARGS);

static int termp_it_pre(DECL_ARGS);

static int termp_li_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_ns_pre(DECL_ARGS);

static int termp_op_pre(DECL_ARGS);

static int termp_pf_pre(DECL_ARGS);

static int termp_pp_pre(DECL_ARGS);

static int termp_pq_pre(DECL_ARGS);

static int termp_qq_pre(DECL_ARGS);

static int termp_rs_pre(DECL_ARGS);

Line 145 static int termp_sq_pre(DECL_ARGS);

Line 132 static int termp_sq_pre(DECL_ARGS);

static int termp_ss_pre(DECL_ARGS);

static int termp_under_pre(DECL_ARGS);

static int termp_ud_pre(DECL_ARGS);

static int termp_vt_pre(DECL_ARGS);

static int termp_xr_pre(DECL_ARGS);

static int termp_xx_pre(DECL_ARGS);

Line 155 static const struct termact termacts[MDOC_MAX] = {

Line 143 static const struct termact termacts[MDOC_MAX] = {

{ NULL, NULL }, /* Os */

{ termp_sh_pre, termp_sh_post }, /* Sh */

{ termp_ss_pre, termp_ss_post }, /* Ss */

{ termp_pp_pre, NULL }, /* Pp */

{ termp_sp_pre, NULL }, /* Pp */

{ termp_d1_pre, termp_d1_post }, /* D1 */

{ termp_d1_pre, termp_d1_post }, /* Dl */

{ termp_bd_pre, termp_bd_post }, /* Bd */

{ NULL, NULL }, /* Ed */

{ NULL, termp_bl_post }, /* Bl */

{ termp_bl_pre, termp_bl_post }, /* Bl */

{ NULL, NULL }, /* El */

{ termp_it_pre, termp_it_post }, /* It */

{ NULL, NULL }, /* Ad */

{ termp_under_pre, NULL }, /* Ad */

{ termp_an_pre, termp_an_post }, /* An */

{ termp_under_pre, NULL }, /* Ar */

{ termp_cd_pre, NULL }, /* Cd */

Line 173 static const struct termact termacts[MDOC_MAX] = {

Line 161 static const struct termact termacts[MDOC_MAX] = {

{ NULL, NULL }, /* Ev */

{ termp_ex_pre, NULL }, /* Ex */

{ termp_fa_pre, NULL }, /* Fa */

{ termp_bold_pre, termp_fd_post }, /* Fd */

{ termp_fd_pre, NULL }, /* Fd */

{ termp_fl_pre, NULL }, /* Fl */

{ termp_fn_pre, termp_fn_post }, /* Fn */

{ termp_fn_pre, NULL }, /* Fn */

{ termp_ft_pre, termp_ft_post }, /* Ft */

{ termp_ft_pre, NULL }, /* Ft */

{ termp_bold_pre, NULL }, /* Ic */

{ termp_in_pre, termp_in_post }, /* In */

{ NULL, NULL }, /* Li */

{ termp_li_pre, NULL }, /* Li */

{ termp_nd_pre, NULL }, /* Nd */

{ termp_nm_pre, NULL }, /* Nm */

{ termp_nm_pre, termp_nm_post }, /* Nm */

{ termp_op_pre, termp_op_post }, /* Op */

{ NULL, NULL }, /* Ot */

{ termp_under_pre, NULL }, /* Pa */

{ termp_rv_pre, NULL }, /* Rv */

{ NULL, NULL }, /* St */

{ termp_under_pre, NULL }, /* Va */

{ termp_under_pre, termp_vt_post }, /* Vt */

{ termp_vt_pre, NULL }, /* Vt */

{ termp_xr_pre, NULL }, /* Xr */

{ NULL, termp____post }, /* %A */

{ NULL, termp____post }, /* %B */

{ termp_under_pre, termp____post }, /* %B */

{ NULL, termp____post }, /* %D */

{ NULL, termp____post }, /* %I */

{ termp_under_pre, termp____post }, /* %I */

{ termp_under_pre, termp____post }, /* %J */

{ NULL, termp____post }, /* %N */

{ NULL, termp____post }, /* %O */

Line 215 static const struct termact termacts[MDOC_MAX] = {

Line 203 static const struct termact termacts[MDOC_MAX] = {

{ NULL, NULL }, /* Dc */

{ termp_dq_pre, termp_dq_post }, /* Do */

{ termp_dq_pre, termp_dq_post }, /* Dq */

{ NULL, NULL }, /* Ec */

{ NULL, NULL }, /* Ec */ /* FIXME: no space */

{ NULL, NULL }, /* Ef */

{ termp_under_pre, NULL }, /* Em */

{ NULL, NULL }, /* Eo */

Line 249 static const struct termact termacts[MDOC_MAX] = {

Line 237 static const struct termact termacts[MDOC_MAX] = {

{ NULL, NULL }, /* Fc */

{ termp_op_pre, termp_op_post }, /* Oo */

{ NULL, NULL }, /* Oc */

{ NULL, NULL }, /* Bk */

{ termp_bk_pre, termp_bk_post }, /* Bk */

{ NULL, NULL }, /* Ek */

{ termp_bt_pre, NULL }, /* Bt */

{ NULL, NULL }, /* Hf */

{ NULL, NULL }, /* Fr */

{ termp_ud_pre, NULL }, /* Ud */

{ NULL, termp_lb_post }, /* Lb */

{ termp_pp_pre, NULL }, /* Lp */

{ termp_sp_pre, NULL }, /* Lp */

{ termp_lk_pre, NULL }, /* Lk */

{ termp_under_pre, NULL }, /* Mt */

{ termp_brq_pre, termp_brq_post }, /* Brq */

{ termp_brq_pre, termp_brq_post }, /* Bro */

{ NULL, NULL }, /* Brc */

{ NULL, NULL }, /* %C */

{ NULL, termp____post }, /* %C */

{ NULL, NULL }, /* Es */

{ NULL, NULL }, /* Es */ /* TODO */

{ NULL, NULL }, /* En */

{ NULL, NULL }, /* En */ /* TODO */

{ termp_xx_pre, NULL }, /* Dx */

{ NULL, NULL }, /* %Q */

{ NULL, termp____post }, /* %Q */

{ termp_br_pre, NULL }, /* br */

{ termp_sp_pre, NULL }, /* br */

{ termp_sp_pre, NULL }, /* sp */

{ termp_under_pre, termp____post }, /* %U */

{ NULL, NULL }, /* Ta */

};

#ifdef __linux__

extern size_t strlcpy(char *, const char *, size_t);

extern size_t strlcat(char *, const char *, size_t);

#endif

static int arg_hasattr(int, const struct mdoc_node *);

static int arg_getattrs(const int *, int *, size_t,

const struct mdoc_node *);

static int arg_getattr(int, const struct mdoc_node *);

static size_t arg_offset(const struct mdoc_argv *);

static size_t arg_width(const struct mdoc_argv *, int);

static int arg_listtype(const struct mdoc_node *);

static void fmt_block_vspace(struct termp *,

const struct mdoc_node *,

const struct mdoc_node *);

static void print_node(DECL_ARGS);

static void print_head(DECL_ARGS);

static void print_body(DECL_ARGS);

static void print_foot(DECL_ARGS);

void

mdoc_run(struct termp *p, const struct mdoc *mdoc)

terminal_mdoc(void *arg, const struct mdoc *mdoc)

{

const struct mdoc_node *n;

const struct mdoc_meta *m;

struct termp *p;

p = (struct termp *)arg;

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 */

}

n = mdoc_node(mdoc);

m = mdoc_meta(mdoc);

print_head(p, NULL, m, n);

term_begin(p, print_mdoc_head, print_mdoc_foot, m);

if (n->child)

print_body(p, NULL, m, n->child);

print_mdoc_nodelist(p, NULL, m, n->child);

print_foot(p, NULL, m, n);

term_end(p);

}

static void

print_body(DECL_ARGS)

print_mdoc_nodelist(DECL_ARGS)

{

print_node(p, pair, meta, node);

print_mdoc_node(p, pair, m, n);

if (node->next)

if (n->next)

print_body(p, pair, meta, node->next);

print_mdoc_nodelist(p, pair, m, n->next);

}

/* ARGSUSED */

static void

print_node(DECL_ARGS)

print_mdoc_node(DECL_ARGS)

{

int chld, bold, under;

int chld;

const void *font;

struct termpair npair;

size_t offset, rmargin;

chld = 1;

offset = p->offset;

rmargin = p->rmargin;

bold = p->bold;

font = term_fontq(p);

under = p->under;

bzero(&npair, sizeof(struct termpair));

memset(&npair, 0, sizeof(struct termpair));

npair.ppair = pair;

if (MDOC_TEXT != node->type) {

if (MDOC_TEXT == n->type)

if (termacts[node->tok].pre)

term_word(p, n->string);

chld = (*termacts[node->tok].pre)

else if (termacts[n->tok].pre && ENDBODY_NOT == n->end)

(p, &npair, meta, node);

chld = (*termacts[n->tok].pre)(p, &npair, m, n);

} else

term_word(p, node->string);

if (chld && node->child)

print_body(p, &npair, meta, node->child);

* XXX - if bold/under were to span scopes, this wouldn't be

* Keeps only work until the end of a line. If a keep was

* possible, but because decoration is always in-scope, we can

* invoked in a prior line, revert it to PREKEEP.

* get away with this.

p->bold = bold;

if (TERMP_KEEP & p->flags) {

p->under = under;

if (n->prev && n->prev->line != n->line) {

p->flags &= ~TERMP_KEEP;

p->flags |= TERMP_PREKEEP;

} else if (NULL == n->prev) {

if (n->parent && n->parent->line != n->line) {

p->flags &= ~TERMP_KEEP;

p->flags |= TERMP_PREKEEP;

}

if (MDOC_TEXT != node->type)

if (chld && n->child)

if (termacts[node->tok].post)

print_mdoc_nodelist(p, &npair, m, n->child);

(*termacts[node->tok].post)

(p, &npair, meta, node);

term_fontpopq(p, font);

if (MDOC_TEXT != n->type && termacts[n->tok].post &&

! (MDOC_ENDED & n->flags)) {

(void)(*termacts[n->tok].post)(p, &npair, m, n);

* Explicit end tokens not only call the post

* handler, but also tell the respective block

* that it must not call the post handler again.

if (ENDBODY_NOT != n->end)

n->pending->flags |= MDOC_ENDED;

* End of line terminating an implicit block

* while an explicit block is still open.

* Continue the explicit block without spacing.

if (ENDBODY_NOSPACE == n->end)

p->flags |= TERMP_NOSPACE;

}

if (MDOC_EOS & n->flags)

p->flags |= TERMP_SENTENCE;

p->offset = offset;

p->rmargin = rmargin;

}

/* ARGSUSED */

static void

print_foot(DECL_ARGS)

print_mdoc_foot(struct termp *p, const void *arg)

{

struct tm *tm;

char buf[DATESIZ], os[BUFSIZ];

char *buf, *os;

const struct mdoc_meta *m;

m = (const struct mdoc_meta *)arg;

term_fontrepl(p, TERMFONT_NONE);

* Output the footer in new-groff style, that is, three columns

* with the middle being the manual date and flanking columns

Line 379 print_foot(DECL_ARGS)

Line 398 print_foot(DECL_ARGS)

* SYSTEM DATE SYSTEM

if (NULL == (buf = malloc(p->rmargin)))

time2a(m->date, buf, DATESIZ);

err(EXIT_FAILURE, "malloc");

strlcpy(os, m->os, BUFSIZ);

if (NULL == (os = malloc(p->rmargin)))

err(EXIT_FAILURE, "malloc");

tm = localtime(&meta->date);

if (0 == strftime(buf, p->rmargin, "%B %e, %Y", tm))

err(EXIT_FAILURE, "strftime");

(void)strlcpy(os, meta->os, p->rmargin);

term_vspace(p);

p->offset = 0;

p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;

p->rmargin = (p->maxrmargin -

term_strlen(p, buf) + term_len(p, 1)) / 2;

p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;

term_word(p, os);

term_flushln(p);

p->offset = p->rmargin;

p->rmargin = p->maxrmargin - strlen(os);

p->rmargin = p->maxrmargin - term_strlen(p, os);

p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;

term_word(p, buf);

Line 418 print_foot(DECL_ARGS)

Line 429 print_foot(DECL_ARGS)

p->offset = 0;

p->rmargin = p->maxrmargin;

p->flags = 0;

free(buf);

free(os);

}

/* ARGSUSED */

static void

print_head(DECL_ARGS)

print_mdoc_head(struct termp *p, const void *arg)

{

char *buf, *title;

char buf[BUFSIZ], title[BUFSIZ];

const struct mdoc_meta *m;

m = (const struct mdoc_meta *)arg;

p->rmargin = p->maxrmargin;

p->offset = 0;

if (NULL == (buf = malloc(p->rmargin)))

err(EXIT_FAILURE, "malloc");

if (NULL == (title = malloc(p->rmargin)))

err(EXIT_FAILURE, "malloc");

* The header is strange. It has three components, which are

* really two with the first duplicated. It goes like this:

Line 451 print_head(DECL_ARGS)

Line 456 print_head(DECL_ARGS)

* switches on the manual section.

assert(meta->vol);

assert(m->vol);

(void)strlcpy(buf, meta->vol, p->rmargin);

strlcpy(buf, m->vol, BUFSIZ);

if (meta->arch) {

if (m->arch) {

(void)strlcat(buf, " (", p->rmargin);

strlcat(buf, " (", BUFSIZ);

(void)strlcat(buf, meta->arch, p->rmargin);

strlcat(buf, m->arch, BUFSIZ);

(void)strlcat(buf, ")", p->rmargin);

strlcat(buf, ")", BUFSIZ);

}

snprintf(title, p->rmargin, "%s(%d)", meta->title, meta->msec);

snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);

p->offset = 0;

p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;

p->rmargin = (p->maxrmargin -

term_strlen(p, buf) + term_len(p, 1)) / 2;

p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;

term_word(p, title);

term_flushln(p);

p->offset = p->rmargin;

p->rmargin = p->maxrmargin - strlen(title);

p->rmargin = p->maxrmargin - term_strlen(p, title);

p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;

term_word(p, buf);

Line 487 print_head(DECL_ARGS)

Line 493 print_head(DECL_ARGS)

p->offset = 0;

p->rmargin = p->maxrmargin;

p->flags &= ~TERMP_NOSPACE;

free(title);

free(buf);

}

/* FIXME: put in utility file for front-ends. */

static size_t

arg_width(const struct mdoc_argv *arg, int pos)

a2height(const struct termp *p, const char *v)

{

int i, len;

struct roffsu su;

const char *p;

assert(pos < (int)arg->sz && pos >= 0);

assert(v);

assert(arg->value[pos]);

if ( ! a2roffsu(v, &su, SCALE_VS))

SCALE_VS_INIT(&su, term_len(p, 1));

p = arg->value[pos];

return(term_vspan(p, &su));

if (0 == (len = (int)strlen(p)))

return(0);

for (i = 0; i < len - 1; i++)

if ( ! isdigit((u_char)p[i]))

break;

if (i == len - 1)

if ('n' == p[len - 1] || 'm' == p[len - 1])

return((size_t)atoi(p) + 2);

return((size_t)len + 2);

}

static int

static size_t

arg_listtype(const struct mdoc_node *n)

a2width(const struct termp *p, const char *v)

{

int i, len;

struct roffsu su;

assert(MDOC_BLOCK == n->type);

assert(v);

if ( ! a2roffsu(v, &su, SCALE_MAX))

SCALE_HS_INIT(&su, term_strlen(p, v));

len = (int)(n->args ? n->args->argc : 0);

return(term_hspan(p, &su));

for (i = 0; i < len; i++)

switch (n->args->argv[i].arg) {

case (MDOC_Bullet):

/* FALLTHROUGH */

case (MDOC_Dash):

/* FALLTHROUGH */

case (MDOC_Enum):

/* FALLTHROUGH */

case (MDOC_Hyphen):

/* FALLTHROUGH */

case (MDOC_Tag):

/* FALLTHROUGH */

case (MDOC_Inset):

/* FALLTHROUGH */

case (MDOC_Diag):

/* FALLTHROUGH */

case (MDOC_Item):

/* FALLTHROUGH */

case (MDOC_Column):

/* FALLTHROUGH */

case (MDOC_Hang):

/* FALLTHROUGH */

case (MDOC_Ohang):

return(n->args->argv[i].arg);

default:

break;

}

return(-1);

}

/* FIXME: put in utility file for front-ends. */

static size_t

arg_offset(const struct mdoc_argv *arg)

a2offs(const struct termp *p, const char *v)

{

int len, i;

struct roffsu su;

const char *p;

assert(*arg->value);

if ('\0' == *v)

p = *arg->value;

if (0 == strcmp(p, "left"))

return(0);

if (0 == strcmp(p, "indent"))

else if (0 == strcmp(v, "left"))

return(INDENT + 1);

if (0 == strcmp(p, "indent-two"))

return((INDENT + 1) * 2);

if (0 == (len = (int)strlen(p)))

return(0);

else if (0 == strcmp(v, "indent"))

return(term_len(p, INDENT + 1));

else if (0 == strcmp(v, "indent-two"))

return(term_len(p, (INDENT + 1) * 2));

else if ( ! a2roffsu(v, &su, SCALE_MAX))

SCALE_HS_INIT(&su, term_strlen(p, v));

for (i = 0; i < len - 1; i++)

return(term_hspan(p, &su));

if ( ! isdigit((u_char)p[i]))

break;

if (i == len - 1)

if ('n' == p[len - 1] || 'm' == p[len - 1])

return((size_t)atoi(p));

return((size_t)len);

}

static int

arg_hasattr(int arg, const struct mdoc_node *n)

* Determine how much space to print out before block elements of `It'

{

* (and thus `Bl') and `Bd'. And then go ahead and print that space,

* too.

return(-1 != arg_getattr(arg, n));

}

static int

arg_getattr(int v, const struct mdoc_node *n)

{

int val;

return(arg_getattrs(&v, &val, 1, n) ? val : -1);

}

static int

arg_getattrs(const int *keys, int *vals,

size_t sz, const struct mdoc_node *n)

{

int i, j, k;

if (NULL == n->args)

return(0);

for (k = i = 0; i < (int)n->args->argc; i++)

for (j = 0; j < (int)sz; j++)

if (n->args->argv[i].arg == keys[j]) {

vals[j] = i;

k++;

}

return(k);

}

/* ARGSUSED */

static void

fmt_block_vspace(struct termp *p,

print_bvspace(struct termp *p,

const struct mdoc_node *bl,

const struct mdoc_node *node)

const struct mdoc_node *n)

{

const struct mdoc_node *n;

const struct mdoc_node *nn;

term_newln(p);

if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Compact, bl))

if (MDOC_Bd == bl->tok && bl->data.Bd->comp)

return;

assert(node);

if (MDOC_Bl == bl->tok && bl->data.Bl->comp)

return;

/* Do not vspace directly after Ss/Sh. */

* Search through our prior nodes. If we follow a `Ss' or `Sh',

* then don't vspace.

for (n = node; n; n = n->parent) {

for (nn = n; nn; nn = nn->parent) {

if (MDOC_BLOCK != n->type)

if (MDOC_BLOCK != nn->type)

continue;

if (MDOC_Ss == n->tok)

if (MDOC_Ss == nn->tok)

return;

if (MDOC_Sh == n->tok)

if (MDOC_Sh == nn->tok)

return;

if (NULL == n->prev)

if (NULL == nn->prev)

continue;

break;

}

/* A `-column' does not assert vspace within the list. */

* XXX - not documented: a `-column' does not ever assert vspace

* within the list.

if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Column, bl))

if (MDOC_Bl == bl->tok && LIST_column == bl->data.Bl->type)

if (node->prev && MDOC_It == node->prev->tok)

if (n->prev && MDOC_It == n->prev->tok)

return;

/* A `-diag' without body does not vspace. */

* XXX - not documented: a `-diag' without a body does not

* assert a vspace prior to the next element.

if (MDOC_Bl == bl->tok && LIST_diag == bl->data.Bl->type)

if (n->prev && MDOC_It == n->prev->tok) {

if (MDOC_Bl == bl->tok && arg_hasattr(MDOC_Diag, bl))

assert(n->prev->body);

if (node->prev && MDOC_It == node->prev->tok) {

if (NULL == n->prev->body->child)

assert(node->prev->body);

if (NULL == node->prev->body->child)

return;

}

Line 689 static int

Line 599 static int

termp_dq_pre(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return(1);

term_word(p, "\\(lq");

Line 703 static void

Line 613 static void

termp_dq_post(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return;

p->flags |= TERMP_NOSPACE;

Line 715 termp_dq_post(DECL_ARGS)

Line 625 termp_dq_post(DECL_ARGS)

static int

termp_it_pre(DECL_ARGS)

{

const struct mdoc_node *bl, *n;

const struct mdoc_node *bl, *nn;

char buf[7];

int i, type, keys[3], vals[3];

int i;

size_t width, offset;

size_t width, offset, ncols, dcol;

enum mdoc_list type;

if (MDOC_BLOCK == node->type) {

if (MDOC_BLOCK == n->type) {

fmt_block_vspace(p, node->parent->parent, node);

print_bvspace(p, n->parent->parent, n);

return(1);

}

bl = node->parent->parent->parent;

bl = n->parent->parent->parent;

assert(bl->data.Bl);

type = bl->data.Bl->type;

/* Save parent attributes. */

* First calculate width and offset. This is pretty easy unless

* we're a -column list, in which case all prior columns must

* be accounted for.

pair->flag = p->flags;

width = offset = 0;

/* Get list width and offset. */

if (bl->data.Bl->offs)

offset = a2offs(p, bl->data.Bl->offs);

keys[0] = MDOC_Width;

switch (type) {

keys[1] = MDOC_Offset;

case (LIST_column):

keys[2] = MDOC_Column;

if (MDOC_HEAD == n->type)

break;

vals[0] = vals[1] = vals[2] = -1;

* Imitate groff's column handling:

* - For each earlier column, add its width.

* - For less than 5 columns, add four more blanks per

* column.

* - For exactly 5 columns, add three more blank per

* column.

* - For more than 5 columns, add only one column.

ncols = bl->data.Bl->ncols;

width = offset = 0;

/* LINTED */

dcol = ncols < 5 ? term_len(p, 4) :

ncols == 5 ? term_len(p, 3) : term_len(p, 1);

(void)arg_getattrs(keys, vals, 3, bl);

* Calculate the offset by applying all prior MDOC_BODY,

* so we stop at the MDOC_HEAD (NULL == nn->prev).

type = arg_listtype(bl);

for (i = 0, nn = n->prev;

assert(-1 != type);

nn->prev && i < (int)ncols;

nn = nn->prev, i++)

offset += dcol + a2width

(p, bl->data.Bl->cols[i]);

/* Calculate real width and offset. */

* When exceeding the declared number of columns, leave

* the remaining widths at 0. This will later be

* adjusted to the default width of 10, or, for the last

* column, stretched to the right margin.

if (i >= (int)ncols)

break;

switch (type) {

case (MDOC_Column):

* Use the declared column widths, extended as explained

if (MDOC_BODY == node->type)

* in the preceding paragraph.

width = a2width(p, bl->data.Bl->cols[i]) + dcol;

break;

default:

if (NULL == bl->data.Bl->width)

break;

* Work around groff's column handling. The offset is

* Note: buffer the width by 2, which is groff's magic

* equal to the sum of all widths leading to the current

* number for buffering single arguments. See the above

* column (plus the -offset value). If this column

* handling for column for how this changes.

* exceeds the stated number of columns, the width is

* set as 0, else it's the stated column width (later

* the 0 will be adjusted to default 10 or, if in the

* last column case, set to stretch to the margin).

for (i = 0, n = node->prev; n && n &&

assert(bl->data.Bl->width);

i < (int)bl->args[vals[2]].argv->sz;

width = a2width(p, bl->data.Bl->width) + term_len(p, 2);

n = n->prev, i++)

offset += arg_width

(&bl->args->argv[vals[2]], i);

/* Whether exceeds maximum column. */

if (i < (int)bl->args[vals[2]].argv->sz)

width = arg_width(&bl->args->argv[vals[2]], i);

else

width = 0;

if (vals[1] >= 0)

offset += arg_offset(&bl->args->argv[vals[1]]);

break;

default:

if (vals[0] >= 0)

width = arg_width(&bl->args->argv[vals[0]], 0);

if (vals[1] >= 0)

offset += arg_offset(&bl->args->argv[vals[1]]);

break;

}

Line 791 termp_it_pre(DECL_ARGS)

Line 718 termp_it_pre(DECL_ARGS)

switch (type) {

case (MDOC_Bullet):

case (LIST_bullet):

/* FALLTHROUGH */

case (MDOC_Dash):

case (LIST_dash):

/* FALLTHROUGH */

case (MDOC_Hyphen):

case (LIST_hyphen):

if (width < 4)

if (width < term_len(p, 4))

width = 4;

width = term_len(p, 4);

break;

case (MDOC_Enum):

case (LIST_enum):

if (width < 5)

if (width < term_len(p, 5))

width = 5;

width = term_len(p, 5);

break;

case (MDOC_Hang):

case (LIST_hang):

if (0 == width)

width = 8;

width = term_len(p, 8);

break;

case (MDOC_Column):

case (LIST_column):

/* FALLTHROUGH */

case (MDOC_Tag):

case (LIST_tag):

if (0 == width)

width = 10;

width = term_len(p, 10);

break;

default:

break;

Line 825 termp_it_pre(DECL_ARGS)

Line 752 termp_it_pre(DECL_ARGS)

p->flags |= TERMP_NOSPACE;

switch (type) {

case (MDOC_Diag):

case (LIST_diag):

if (MDOC_BODY == node->type)

if (MDOC_BODY == n->type)

term_word(p, "\\ \\ ");

break;

case (MDOC_Inset):

case (LIST_inset):

if (MDOC_BODY == node->type)

if (MDOC_BODY == n->type)

term_word(p, "\\ ");

break;

default:

Line 840 termp_it_pre(DECL_ARGS)

Line 767 termp_it_pre(DECL_ARGS)

p->flags |= TERMP_NOSPACE;

switch (type) {

case (MDOC_Diag):

case (LIST_diag):

if (MDOC_HEAD == node->type)

if (MDOC_HEAD == n->type)

p->bold++;

term_fontpush(p, TERMFONT_BOLD);

break;

default:

break;

}

* Pad and break control. This is the tricker part. Lists with

* Pad and break control. This is the tricky part. These flags

* set right-margins for the head get TERMP_NOBREAK because, if

* are documented in term_flushln() in term.c. Note that we're

* they overrun the margin, they wrap to the new margin.

* going to unset all of these flags in termp_it_post() when we

* Correspondingly, the body for these types don't left-pad, as

* exit.

* the head will pad out to to the right.

switch (type) {

case (MDOC_Bullet):

case (LIST_bullet):

/* FALLTHROUGH */

case (MDOC_Dash):

case (LIST_dash):

/* FALLTHROUGH */

case (MDOC_Enum):

case (LIST_enum):

/* FALLTHROUGH */

case (MDOC_Hyphen):

case (LIST_hyphen):

if (MDOC_HEAD == node->type)

if (MDOC_HEAD == n->type)

p->flags |= TERMP_NOBREAK;

else

p->flags |= TERMP_NOLPAD;

break;

case (MDOC_Hang):

case (LIST_hang):

if (MDOC_HEAD == node->type)

if (MDOC_HEAD == n->type)

p->flags |= TERMP_NOBREAK;

else

p->flags |= TERMP_NOLPAD;

if (MDOC_HEAD != node->type)

if (MDOC_HEAD != n->type)

break;

Line 884 termp_it_pre(DECL_ARGS)

Line 810 termp_it_pre(DECL_ARGS)

* the "overstep" effect in term_flushln() and treat

* this as a `-ohang' list instead.

if (node->next->child &&

if (n->next->child &&

(MDOC_Bl == node->next->child->tok ||

(MDOC_Bl == n->next->child->tok ||

MDOC_Bd == node->next->child->tok)) {

MDOC_Bd == n->next->child->tok)) {

p->flags &= ~TERMP_NOBREAK;

p->flags &= ~TERMP_NOLPAD;

} else

p->flags |= TERMP_HANG;

break;

case (MDOC_Tag):

case (LIST_tag):

if (MDOC_HEAD == node->type)

if (MDOC_HEAD == n->type)

p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;

else

p->flags |= TERMP_NOLPAD;

if (MDOC_HEAD != node->type)

if (MDOC_HEAD != n->type)

break;

if (NULL == node->next || NULL == node->next->child)

if (NULL == n->next || NULL == n->next->child)

p->flags |= TERMP_DANGLE;

break;

case (MDOC_Column):

case (LIST_column):

if (MDOC_HEAD == node->type) {

if (MDOC_HEAD == n->type)

assert(node->next);

break;

if (MDOC_BODY == node->next->type)

p->flags &= ~TERMP_NOBREAK;

if (NULL == n->next)

else

p->flags &= ~TERMP_NOBREAK;

p->flags |= TERMP_NOBREAK;

else

if (node->prev)

p->flags |= TERMP_NOBREAK;

p->flags |= TERMP_NOLPAD;

}

assert(n->prev);

if (MDOC_BODY == n->prev->type)

p->flags |= TERMP_NOLPAD;

break;

case (MDOC_Diag):

case (LIST_diag):

if (MDOC_HEAD == node->type)

if (MDOC_HEAD == n->type)

p->flags |= TERMP_NOBREAK;

break;

default:

Line 931 termp_it_pre(DECL_ARGS)

Line 860 termp_it_pre(DECL_ARGS)

p->offset += offset;

switch (type) {

case (MDOC_Hang):

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 (MDOC_HEAD == node->type && node->next->child &&

if (MDOC_HEAD == n->type && n->next->child &&

(MDOC_Bl == node->next->child->tok ||

(MDOC_Bl == n->next->child->tok ||

MDOC_Bd == node->next->child->tok))

MDOC_Bd == n->next->child->tok))

break;

/* FALLTHROUGH */

case (MDOC_Bullet):

case (LIST_bullet):

/* FALLTHROUGH */

case (MDOC_Dash):

case (LIST_dash):

/* FALLTHROUGH */

case (MDOC_Enum):

case (LIST_enum):

/* FALLTHROUGH */

case (MDOC_Hyphen):

case (LIST_hyphen):

/* FALLTHROUGH */

case (MDOC_Tag):

case (LIST_tag):

assert(width);

if (MDOC_HEAD == node->type)

if (MDOC_HEAD == n->type)

p->rmargin = p->offset + width;

else

p->offset += width;

break;

case (MDOC_Column):

case (LIST_column):

assert(width);

p->rmargin = p->offset + width;

* XXX - this behaviour is not documented: the

* right-most column is filled to the right margin.

if (MDOC_HEAD == node->type &&

if (MDOC_HEAD == n->type)

MDOC_BODY == node->next->type)

break;

if (NULL == n->next && p->rmargin < p->maxrmargin)

p->rmargin = p->maxrmargin;

break;

default:

Line 977 termp_it_pre(DECL_ARGS)

Line 907 termp_it_pre(DECL_ARGS)

* HEAD character (temporarily bold, in some cases).

if (MDOC_HEAD == node->type)

if (MDOC_HEAD == n->type)

switch (type) {

case (MDOC_Bullet):

case (LIST_bullet):

p->bold++;

term_fontpush(p, TERMFONT_BOLD);

term_word(p, "\\[bu]");

p->bold--;

term_fontpop(p);

break;

case (MDOC_Dash):

case (LIST_dash):

/* FALLTHROUGH */

case (MDOC_Hyphen):

case (LIST_hyphen):

p->bold++;

term_fontpush(p, TERMFONT_BOLD);

term_word(p, "\\(hy");

p->bold--;

term_fontpop(p);

break;

case (MDOC_Enum):

case (LIST_enum):

(pair->ppair->ppair->count)++;

(void)snprintf(buf, sizeof(buf), "%d.",

snprintf(buf, sizeof(buf), "%d.",

pair->ppair->ppair->count);

term_word(p, buf);

break;

Line 1006 termp_it_pre(DECL_ARGS)

Line 936 termp_it_pre(DECL_ARGS)

switch (type) {

case (MDOC_Bullet):

case (LIST_bullet):

/* FALLTHROUGH */

case (MDOC_Item):

case (LIST_item):

/* FALLTHROUGH */

case (MDOC_Dash):

case (LIST_dash):

/* FALLTHROUGH */

case (MDOC_Hyphen):

case (LIST_hyphen):

/* FALLTHROUGH */

case (MDOC_Enum):

case (LIST_enum):

if (MDOC_HEAD == node->type)

if (MDOC_HEAD == n->type)

return(0);

break;

case (MDOC_Column):

case (LIST_column):

if (MDOC_BODY == node->type)

if (MDOC_HEAD == n->type)

return(0);

break;

default:

Line 1034 termp_it_pre(DECL_ARGS)

Line 964 termp_it_pre(DECL_ARGS)

static void

termp_it_post(DECL_ARGS)

{

int type;

enum mdoc_list type;

if (MDOC_BODY != node->type && MDOC_HEAD != node->type)

if (MDOC_BLOCK == n->type)

return;

type = arg_listtype(node->parent->parent->parent);

type = n->parent->parent->parent->data.Bl->type;

assert(-1 != type);

switch (type) {

case (MDOC_Item):

case (LIST_item):

/* FALLTHROUGH */

case (MDOC_Diag):

case (LIST_diag):

/* FALLTHROUGH */

case (MDOC_Inset):

case (LIST_inset):

if (MDOC_BODY == node->type)

if (MDOC_BODY == n->type)

term_flushln(p);

term_newln(p);

break;

case (MDOC_Column):

case (LIST_column):

if (MDOC_HEAD == node->type)

if (MDOC_BODY == n->type)

term_flushln(p);

break;

default:

term_flushln(p);

term_newln(p);

break;

}

p->flags = pair->flag;

* Now that our output is flushed, we can reset our tags. Since

* only `It' sets these flags, we're free to assume that nobody

* has munged them in the meanwhile.

p->flags &= ~TERMP_DANGLE;

p->flags &= ~TERMP_NOBREAK;

p->flags &= ~TERMP_TWOSPACE;

p->flags &= ~TERMP_NOLPAD;

p->flags &= ~TERMP_HANG;

}

Line 1069 static int

Line 1008 static int

termp_nm_pre(DECL_ARGS)

{

if (SEC_SYNOPSIS == node->sec)

if (MDOC_BLOCK == n->type)

term_newln(p);

return(1);

p->bold++;

if (NULL == node->child)

if (MDOC_BODY == n->type) {

term_word(p, meta->name);

if (NULL == n->child)

return(0);

p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;

p->offset += term_len(p, 1) +

(NULL == n->prev->child ? term_strlen(p, m->name) :

MDOC_TEXT == n->prev->child->type ?

term_strlen(p, n->prev->child->string) :

term_len(p, 5));

return(1);

}

if (NULL == n->child && NULL == m->name)

return(0);

if (MDOC_HEAD == n->type)

synopsis_pre(p, n->parent);

if (MDOC_HEAD == n->type && n->next->child) {

p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_HANG;

p->rmargin = p->offset + term_len(p, 1) +

(NULL == n->child ? term_strlen(p, m->name) :

MDOC_TEXT == n->child->type ?

term_strlen(p, n->child->string) :

term_len(p, 5));

}

term_fontpush(p, TERMFONT_BOLD);

if (NULL == n->child)

term_word(p, m->name);

return(1);

}

/* ARGSUSED */

static void

termp_nm_post(DECL_ARGS)

{

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) {

term_flushln(p);

p->flags &= ~TERMP_NOLPAD;

}

/* ARGSUSED */

static int

termp_fl_pre(DECL_ARGS)

{

p->bold++;

term_fontpush(p, TERMFONT_BOLD);

term_word(p, "\\-");

p->flags |= TERMP_NOSPACE;

if (n->child)

p->flags |= TERMP_NOSPACE;

else if (n->next && n->next->line == n->line)

p->flags |= TERMP_NOSPACE;

return(1);

}

Line 1095 static int

Line 1082 static int

termp_an_pre(DECL_ARGS)

{

if (NULL == node->child)

if (NULL == n->child)

return(1);

* XXX: this is poorly documented. If not in the AUTHORS

* If not in the AUTHORS section, `An -split' will cause

* section, `An -split' will cause newlines to occur before the

* newlines to occur before the author name. If in the AUTHORS

* author name. If in the AUTHORS section, by default, the

* section, by default, the first `An' invocation is nosplit,

* first `An' invocation is nosplit, then all subsequent ones,

* then all subsequent ones, regardless of whether interspersed

* regardless of whether interspersed with other macros/text,

* with other macros/text, are split. -split, in this case,

* are split. -split, in this case, will override the condition

* will override the condition of the implied first -nosplit.

* of the implied first -nosplit.

if (node->sec == SEC_AUTHORS) {

if (n->sec == SEC_AUTHORS) {

if ( ! (TERMP_ANPREC & p->flags)) {

if (TERMP_SPLIT & p->flags)

term_newln(p);

Line 1132 static void

Line 1118 static void

termp_an_post(DECL_ARGS)

{

if (node->child) {

if (n->child) {

if (SEC_AUTHORS == node->sec)

if (SEC_AUTHORS == n->sec)

p->flags |= TERMP_ANPREC;

return;

}

if (arg_getattr(MDOC_Split, node) > -1) {

if (AUTH_split == n->data.An.auth) {

p->flags &= ~TERMP_NOSPLIT;

p->flags |= TERMP_SPLIT;

} else {

} else if (AUTH_nosplit == n->data.An.auth) {

p->flags &= ~TERMP_SPLIT;

p->flags |= TERMP_NOSPLIT;

}

Line 1161 termp_ns_pre(DECL_ARGS)

Line 1147 termp_ns_pre(DECL_ARGS)

/* ARGSUSED */

static int

termp_pp_pre(DECL_ARGS)

{

term_vspace(p);

return(1);

}

/* ARGSUSED */

static int

termp_rs_pre(DECL_ARGS)

{

if (MDOC_BLOCK == node->type && node->prev)

if (SEC_SEE_ALSO != n->sec)

return(1);

if (MDOC_BLOCK == n->type && n->prev)

term_vspace(p);

return(1);

}

Line 1189 termp_rv_pre(DECL_ARGS)

Line 1167 termp_rv_pre(DECL_ARGS)

term_newln(p);

term_word(p, "The");

nn = node->child;

for (nn = n->child; nn; nn = nn->next) {

assert(nn);

term_fontpush(p, TERMFONT_BOLD);

for ( ; nn; nn = nn->next) {

p->bold++;

term_word(p, nn->string);

p->bold--;

term_fontpop(p);

p->flags |= TERMP_NOSPACE;

if (nn->next && NULL == nn->next->next)

term_word(p, "(), and");

Line 1204 termp_rv_pre(DECL_ARGS)

Line 1180 termp_rv_pre(DECL_ARGS)

term_word(p, "()");

}

if (node->child->next)

if (n->child && n->child->next)

term_word(p, "functions return");

else

term_word(p, "function returns");

Line 1212 termp_rv_pre(DECL_ARGS)

Line 1188 termp_rv_pre(DECL_ARGS)

term_word(p, "the value 0 if successful; otherwise the value "

"-1 is returned and the global variable");

p->under++;

term_fontpush(p, TERMFONT_UNDER);

term_word(p, "errno");

p->under--;

term_fontpop(p);

term_word(p, "is set to indicate the error.");

p->flags |= TERMP_SENTENCE;

return(0);

}

Line 1230 termp_ex_pre(DECL_ARGS)

Line 1207 termp_ex_pre(DECL_ARGS)

term_word(p, "The");

nn = node->child;

for (nn = n->child; nn; nn = nn->next) {

assert(nn);

term_fontpush(p, TERMFONT_BOLD);

for ( ; nn; nn = nn->next) {

p->bold++;

term_word(p, nn->string);

p->bold--;

term_fontpop(p);

p->flags |= TERMP_NOSPACE;

if (nn->next && NULL == nn->next->next)

term_word(p, ", and");

Line 1245 termp_ex_pre(DECL_ARGS)

Line 1220 termp_ex_pre(DECL_ARGS)

p->flags &= ~TERMP_NOSPACE;

}

if (node->child->next)

if (n->child && n->child->next)

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;

return(0);

}

Line 1261 static int

Line 1237 static int

termp_nd_pre(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return(1);

#if defined(__OpenBSD__) || defined(__linux__)

Line 1274 termp_nd_pre(DECL_ARGS)

Line 1250 termp_nd_pre(DECL_ARGS)

/* ARGSUSED */

static int

termp_bl_pre(DECL_ARGS)

{

return(MDOC_HEAD != n->type);

}

/* ARGSUSED */

static void

termp_bl_post(DECL_ARGS)

{

if (MDOC_BLOCK == node->type)

if (MDOC_BLOCK == n->type)

term_newln(p);

}

Line 1288 static void

Line 1273 static void

termp_op_post(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return;

p->flags |= TERMP_NOSPACE;

term_word(p, "\\(rB");

Line 1299 termp_op_post(DECL_ARGS)

Line 1284 termp_op_post(DECL_ARGS)

static int

termp_xr_pre(DECL_ARGS)

{

const struct mdoc_node *n;

const struct mdoc_node *nn;

assert(node->child && MDOC_TEXT == node->child->type);

if (NULL == n->child)

n = node->child;

return(0);

term_word(p, n->string);

assert(MDOC_TEXT == n->child->type);

if (NULL == (n = n->next))

nn = n->child;

term_word(p, nn->string);

if (NULL == (nn = nn->next))

return(0);

p->flags |= TERMP_NOSPACE;

term_word(p, "(");

p->flags |= TERMP_NOSPACE;

term_word(p, n->string);

term_word(p, nn->string);

p->flags |= TERMP_NOSPACE;

term_word(p, ")");

return(0);

}

/* ARGSUSED */

* 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

* macro combos).

static void

termp_vt_post(DECL_ARGS)

synopsis_pre(struct termp *p, const struct mdoc_node *n)

{

if (node->sec != SEC_SYNOPSIS)

* Obviously, if we're not in a SYNOPSIS or no prior macros

* exist, do nothing.

if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))

return;

if (node->next && MDOC_Vt == node->next->tok)

* If we're the second in a pair of like elements, emit our

* newline and return. UNLESS we're `Fo', `Fn', `Fn', in which

* case we soldier on.

if (n->prev->tok == n->tok &&

MDOC_Ft != n->tok &&

MDOC_Fo != n->tok &&

MDOC_Fn != n->tok) {

term_newln(p);

else if (node->next)

return;

}

* If we're one of the SYNOPSIS set and non-like pair-wise after

* another (or Fn/Fo, which we've let slip through) then assert

* vertical space, else only newline and move on.

switch (n->prev->tok) {

case (MDOC_Fd):

/* FALLTHROUGH */

case (MDOC_Fn):

/* FALLTHROUGH */

case (MDOC_Fo):

/* FALLTHROUGH */

case (MDOC_In):

/* FALLTHROUGH */

case (MDOC_Vt):

term_vspace(p);

break;

case (MDOC_Ft):

if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {

term_vspace(p);

break;

}

/* FALLTHROUGH */

default:

term_newln(p);

break;

}

static int

termp_vt_pre(DECL_ARGS)

{

if (MDOC_ELEM == n->type) {

synopsis_pre(p, n);

return(termp_under_pre(p, pair, m, n));

} else if (MDOC_BLOCK == n->type) {

synopsis_pre(p, n);

return(1);

} else if (MDOC_HEAD == n->type)

return(0);

return(termp_under_pre(p, pair, m, n));

}

/* ARGSUSED */

static int

termp_bold_pre(DECL_ARGS)

{

p->bold++;

term_fontpush(p, TERMFONT_BOLD);

return(1);

}

/* ARGSUSED */

static void

static int

termp_fd_post(DECL_ARGS)

termp_fd_pre(DECL_ARGS)

{

if (node->sec != SEC_SYNOPSIS)

synopsis_pre(p, n);

return;

return(termp_bold_pre(p, pair, m, n));

term_newln(p);

if (node->next && MDOC_Fd != node->next->tok)

term_vspace(p);

}

Line 1359 termp_fd_post(DECL_ARGS)

Line 1405 termp_fd_post(DECL_ARGS)

static int

termp_sh_pre(DECL_ARGS)

{

* XXX: undocumented: using two `Sh' macros in sequence has no

/* No vspace between consecutive `Sh' calls. */

* vspace between calls, only a newline.

switch (n->type) {

switch (node->type) {

case (MDOC_BLOCK):

if (node->prev && MDOC_Sh == node->prev->tok)

if (n->prev && MDOC_Sh == n->prev->tok)

if (NULL == node->prev->body->child)

if (NULL == n->prev->body->child)

break;

term_vspace(p);

break;

case (MDOC_HEAD):

p->bold++;

term_fontpush(p, TERMFONT_BOLD);

break;

case (MDOC_BODY):

p->offset = INDENT;

p->offset = term_len(p, INDENT);

break;

default:

break;

Line 1388 static void

Line 1433 static void

termp_sh_post(DECL_ARGS)

{

switch (node->type) {

switch (n->type) {

case (MDOC_HEAD):

term_newln(p);

break;

Line 1407 static int

Line 1452 static int

termp_op_pre(DECL_ARGS)

{

switch (node->type) {

switch (n->type) {

case (MDOC_BODY):

term_word(p, "\\(lB");

p->flags |= TERMP_NOSPACE;

Line 1425 termp_bt_pre(DECL_ARGS)

Line 1470 termp_bt_pre(DECL_ARGS)

{

term_word(p, "is currently in beta test.");

return(1);

p->flags |= TERMP_SENTENCE;

return(0);

}

Line 1434 static void

Line 1480 static void

termp_lb_post(DECL_ARGS)

{

term_newln(p);

if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)

term_newln(p);

}

Line 1444 termp_ud_pre(DECL_ARGS)

Line 1491 termp_ud_pre(DECL_ARGS)

{

term_word(p, "currently under development.");

return(1);

p->flags |= TERMP_SENTENCE;

return(0);

}

Line 1453 static int

Line 1501 static int

termp_d1_pre(DECL_ARGS)

{

if (MDOC_BLOCK != node->type)

if (MDOC_BLOCK != n->type)

return(1);

term_newln(p);

p->offset += (INDENT + 1);

p->offset += term_len(p, (INDENT + 1));

return(1);

}

Line 1466 static void

Line 1514 static void

termp_d1_post(DECL_ARGS)

{

if (MDOC_BLOCK != node->type)

if (MDOC_BLOCK != n->type)

return;

term_newln(p);

}

Line 1477 static int

Line 1525 static int

termp_aq_pre(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return(1);

term_word(p, "\\(la");

p->flags |= TERMP_NOSPACE;

Line 1490 static void

Line 1538 static void

termp_aq_post(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return;

p->flags |= TERMP_NOSPACE;

term_word(p, "\\(ra");

Line 1502 static int

Line 1550 static int

termp_ft_pre(DECL_ARGS)

{

if (SEC_SYNOPSIS == node->sec)

/* NB: MDOC_LINE does not effect this! */

if (node->prev && MDOC_Fo == node->prev->tok)

synopsis_pre(p, n);

term_vspace(p);

term_fontpush(p, TERMFONT_UNDER);

p->under++;

return(1);

}

/* ARGSUSED */

static void

termp_ft_post(DECL_ARGS)

{

if (SEC_SYNOPSIS == node->sec)

term_newln(p);

}

/* ARGSUSED */

static int

termp_fn_pre(DECL_ARGS)

{

const struct mdoc_node *n;

const struct mdoc_node *nn;

assert(node->child && MDOC_TEXT == node->child->type);

synopsis_pre(p, n);

/* FIXME: can be "type funcname" "type varname"... */

term_fontpush(p, TERMFONT_BOLD);

term_word(p, n->child->string);

term_fontpop(p);

p->bold++;

term_word(p, node->child->string);

p->bold--;

p->flags |= TERMP_NOSPACE;

term_word(p, "(");

for (n = node->child->next; n; n = n->next) {

for (nn = n->child->next; nn; nn = nn->next) {

p->under++;

term_fontpush(p, TERMFONT_UNDER);

term_word(p, n->string);

term_word(p, nn->string);

p->under--;

term_fontpop(p);

if (n->next)

if (nn->next)

term_word(p, ",");

}

term_word(p, ")");

if (SEC_SYNOPSIS == node->sec)

if (MDOC_SYNPRETTY & n->flags)

term_word(p, ";");

return(0);

Line 1555 termp_fn_pre(DECL_ARGS)

Line 1591 termp_fn_pre(DECL_ARGS)

/* ARGSUSED */

static void

termp_fn_post(DECL_ARGS)

{

if (node->sec == SEC_SYNOPSIS && node->next)

term_vspace(p);

}

/* ARGSUSED */

static int

termp_fa_pre(DECL_ARGS)

{

struct mdoc_node *n;

const struct mdoc_node *nn;

if (node->parent->tok != MDOC_Fo) {

if (n->parent->tok != MDOC_Fo) {

p->under++;

term_fontpush(p, TERMFONT_UNDER);

return(1);

}

for (n = node->child; n; n = n->next) {

for (nn = n->child; nn; nn = nn->next) {

p->under++;

term_fontpush(p, TERMFONT_UNDER);

term_word(p, n->string);

term_word(p, nn->string);

p->under--;

term_fontpop(p);

if (n->next)

if (nn->next)

term_word(p, ",");

}

if (node->child && node->next && node->next->tok == MDOC_Fa)

if (n->child && n->next && n->next->tok == MDOC_Fa)

term_word(p, ",");

return(0);

Line 1594 termp_fa_pre(DECL_ARGS)

Line 1621 termp_fa_pre(DECL_ARGS)

static int

termp_bd_pre(DECL_ARGS)

{

int i, type;

size_t tabwidth, rm, rmax;

const struct mdoc_node *nn;

if (MDOC_BLOCK == n->type) {

* This is fairly tricky due primarily to crappy documentation.

print_bvspace(p, n, n);

* If -ragged or -filled are specified, the block does nothing

* but change the indentation.

* If, on the other hand, -unfilled or -literal are specified,

* then the game changes. Text is printed exactly as entered in

* the display: if a macro line, a newline is appended to the

* line. Blank lines are allowed.

if (MDOC_BLOCK == node->type) {

fmt_block_vspace(p, node, node);

return(1);

} else if (MDOC_BODY != node->type)

} else if (MDOC_HEAD == n->type)

return(1);

return(0);

assert(node->parent->args);

assert(n->data.Bd);

if (n->data.Bd->offs)

p->offset += a2offs(p, n->data.Bd->offs);

for (type = -1, i = 0; -1 == type &&

i < (int)node->parent->args->argc; i++) {

* If -ragged or -filled are specified, the block does nothing

switch (node->parent->args->argv[i].arg) {

* but change the indentation. If -unfilled or -literal are

case (MDOC_Ragged):

* specified, text is printed exactly as entered in the display:

/* FALLTHROUGH */

* for macro lines, a newline is appended to the line. Blank

case (MDOC_Filled):

* lines are allowed.

/* FALLTHROUGH */

case (MDOC_Unfilled):

/* FALLTHROUGH */

case (MDOC_Literal):

type = node->parent->args->argv[i].arg;

break;

default:

break;

}

assert(type > -1);

if (DISP_literal != n->data.Bd->type &&

DISP_unfilled != n->data.Bd->type)

i = arg_getattr(MDOC_Offset, node->parent);

if (-1 != i)

p->offset += arg_offset(&node->parent->args->argv[i]);

switch (type) {

case (MDOC_Literal):

/* FALLTHROUGH */

case (MDOC_Unfilled):

break;

default:

return(1);

}

for (node = node->child; node; node = node->next) {

tabwidth = p->tabwidth;

p->tabwidth = term_len(p, 8);

rm = p->rmargin;

rmax = p->maxrmargin;

p->rmargin = p->maxrmargin = TERM_MAXMARGIN;

for (nn = n->child; nn; nn = nn->next) {

print_mdoc_node(p, pair, m, nn);

if (nn->next && nn->next->line == nn->line)

continue;

term_flushln(p);

p->flags |= TERMP_NOSPACE;

print_node(p, pair, meta, node);

if (node->next)

term_flushln(p);

}

p->tabwidth = tabwidth;

p->rmargin = rm;

p->maxrmargin = rmax;

return(0);

}

Line 1662 termp_bd_pre(DECL_ARGS)

Line 1671 termp_bd_pre(DECL_ARGS)

static void

termp_bd_post(DECL_ARGS)

{

size_t rm, rmax;

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return;

rm = p->rmargin;

rmax = p->maxrmargin;

assert(n->data.Bd);

if (DISP_literal == n->data.Bd->type ||

DISP_unfilled == n->data.Bd->type)

p->rmargin = p->maxrmargin = TERM_MAXMARGIN;

p->flags |= TERMP_NOSPACE;

term_flushln(p);

term_newln(p);

p->rmargin = rm;

p->maxrmargin = rmax;

}

Line 1675 static int

Line 1697 static int

termp_qq_pre(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return(1);

term_word(p, "\"");

p->flags |= TERMP_NOSPACE;

Line 1688 static void

Line 1710 static void

termp_qq_post(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return;

p->flags |= TERMP_NOSPACE;

term_word(p, "\"");

Line 1700 static void

Line 1722 static void

termp_bx_post(DECL_ARGS)

{

if (node->child)

if (n->child)

p->flags |= TERMP_NOSPACE;

term_word(p, "BSD");

}

Line 1713 termp_xx_pre(DECL_ARGS)

Line 1735 termp_xx_pre(DECL_ARGS)

const char *pp;

pp = NULL;

switch (node->tok) {

switch (n->tok) {

case (MDOC_Bsx):

pp = "BSDI BSD/OS";

break;

case (MDOC_Dx):

pp = "DragonFlyBSD";

pp = "DragonFly";

break;

case (MDOC_Fx):

pp = "FreeBSD";

Line 1747 static int

Line 1769 static int

termp_sq_pre(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return(1);

term_word(p, "\\(oq");

p->flags |= TERMP_NOSPACE;

Line 1760 static void

Line 1782 static void

termp_sq_post(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return;

p->flags |= TERMP_NOSPACE;

term_word(p, "\\(aq");

Line 1792 static int

Line 1814 static int

termp_ss_pre(DECL_ARGS)

{

switch (node->type) {

switch (n->type) {

case (MDOC_BLOCK):

term_newln(p);

if (node->prev)

if (n->prev)

term_vspace(p);

break;

case (MDOC_HEAD):

p->bold++;

term_fontpush(p, TERMFONT_BOLD);

p->offset = HALFINDENT;

p->offset = term_len(p, HALFINDENT);

break;

default:

break;

Line 1815 static void

Line 1837 static void

termp_ss_post(DECL_ARGS)

{

if (MDOC_HEAD == node->type)

if (MDOC_HEAD == n->type)

term_newln(p);

}

Line 1825 static int

Line 1847 static int

termp_cd_pre(DECL_ARGS)

{

p->bold++;

synopsis_pre(p, n);

term_newln(p);

term_fontpush(p, TERMFONT_BOLD);

return(1);

}

Line 1836 static int

Line 1858 static int

termp_in_pre(DECL_ARGS)

{

p->bold++;

synopsis_pre(p, n);

if (SEC_SYNOPSIS == node->sec)

if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {

term_fontpush(p, TERMFONT_BOLD);

term_word(p, "#include");

term_word(p, "<");

} else {

term_word(p, "<");

term_fontpush(p, TERMFONT_UNDER);

}

term_word(p, "<");

p->flags |= TERMP_NOSPACE;

return(1);

}

Line 1851 static void

Line 1879 static void

termp_in_post(DECL_ARGS)

{

p->bold++;

if (MDOC_SYNPRETTY & n->flags)

term_fontpush(p, TERMFONT_BOLD);

p->flags |= TERMP_NOSPACE;

term_word(p, ">");

p->bold--;

if (SEC_SYNOPSIS != node->sec)

if (MDOC_SYNPRETTY & n->flags)

return;

term_fontpop(p);

term_newln(p);

* XXX Not entirely correct. If `.In foo bar' is specified in

* the SYNOPSIS section, then it produces a single break after

* the <foo>; mandoc asserts a vertical space. Since this

* construction is rarely used, I think it's fine.

if (node->next && MDOC_In != node->next->tok)

term_vspace(p);

}

Line 1874 termp_in_post(DECL_ARGS)

Line 1894 termp_in_post(DECL_ARGS)

static int

termp_sp_pre(DECL_ARGS)

{

int i, len;

size_t i, len;

if (NULL == node->child) {

switch (n->tok) {

term_vspace(p);

case (MDOC_sp):

return(0);

len = n->child ? a2height(p, n->child->string) : 1;

break;

case (MDOC_br):

len = 0;

break;

default:

assert(n->parent);

if ((NULL == n->next || NULL == n->prev) &&

(MDOC_Ss == n->parent->tok ||

MDOC_Sh == n->parent->tok))

return(0);

len = 1;

break;

}

len = atoi(node->child->string);

if (0 == len)

term_newln(p);

for (i = 0; i < len; i++)

Line 1893 termp_sp_pre(DECL_ARGS)

Line 1924 termp_sp_pre(DECL_ARGS)

/* ARGSUSED */

static int

termp_br_pre(DECL_ARGS)

{

term_newln(p);

return(1);

}

/* ARGSUSED */

static int

termp_brq_pre(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return(1);

term_word(p, "\\(lC");

p->flags |= TERMP_NOSPACE;

Line 1919 static void

Line 1940 static void

termp_brq_post(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return;

p->flags |= TERMP_NOSPACE;

term_word(p, "\\(rC");

Line 1931 static int

Line 1952 static int

termp_bq_pre(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return(1);

term_word(p, "\\(lB");

p->flags |= TERMP_NOSPACE;

Line 1944 static void

Line 1965 static void

termp_bq_post(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return;

p->flags |= TERMP_NOSPACE;

term_word(p, "\\(rB");

Line 1956 static int

Line 1977 static int

termp_pq_pre(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return(1);

term_word(p, "\\&(");

p->flags |= TERMP_NOSPACE;

Line 1969 static void

Line 1990 static void

termp_pq_post(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return;

term_word(p, ")");

}

Line 1979 termp_pq_post(DECL_ARGS)

Line 2000 termp_pq_post(DECL_ARGS)

static int

termp_fo_pre(DECL_ARGS)

{

const struct mdoc_node *n;

if (MDOC_BODY == node->type) {

if (MDOC_BLOCK == n->type) {

synopsis_pre(p, n);

return(1);

} else if (MDOC_BODY == n->type) {

p->flags |= TERMP_NOSPACE;

term_word(p, "(");

p->flags |= TERMP_NOSPACE;

return(1);

} else if (MDOC_HEAD != node->type)

}

return(1);

p->bold++;

if (NULL == n->child)

for (n = node->child; n; n = n->next) {

return(0);

assert(MDOC_TEXT == n->type);

term_word(p, n->string);

}

p->bold--;

/* XXX: we drop non-initial arguments as per groff. */

assert(n->child->string);

term_fontpush(p, TERMFONT_BOLD);

term_word(p, n->child->string);

return(0);

}

Line 2005 static void

Line 2028 static void

termp_fo_post(DECL_ARGS)

{

if (MDOC_BODY != node->type)

if (MDOC_BODY != n->type)

return;

p->flags |= TERMP_NOSPACE;

term_word(p, ")");

p->flags |= TERMP_NOSPACE;

term_word(p, ";");

if (MDOC_SYNPRETTY & n->flags) {

term_newln(p);

p->flags |= TERMP_NOSPACE;

term_word(p, ";");

}

Line 2019 termp_fo_post(DECL_ARGS)

Line 2045 termp_fo_post(DECL_ARGS)

static int

termp_bf_pre(DECL_ARGS)

{

const struct mdoc_node *n;

if (MDOC_HEAD == node->type)

if (MDOC_HEAD == n->type)

return(0);

else if (MDOC_BLOCK != node->type)

else if (MDOC_BLOCK != n->type)

return(1);

if (NULL == (n = node->head->child)) {

assert(n->data.Bf);

if (arg_hasattr(MDOC_Emphasis, node))

p->under++;

else if (arg_hasattr(MDOC_Symbolic, node))

p->bold++;

return(1);

if (FONT_Em == n->data.Bf->font)

}

term_fontpush(p, TERMFONT_UNDER);

else if (FONT_Sy == n->data.Bf->font)

term_fontpush(p, TERMFONT_BOLD);

else

term_fontpush(p, TERMFONT_NONE);

assert(MDOC_TEXT == n->type);

if (0 == strcmp("Em", n->string))

p->under++;

else if (0 == strcmp("Sy", n->string))

p->bold++;

return(1);

}

Line 2050 static int

Line 2069 static int

termp_sm_pre(DECL_ARGS)

{

assert(node->child && MDOC_TEXT == node->child->type);

assert(n->child && MDOC_TEXT == n->child->type);

if (0 == strcmp("on", node->child->string)) {

if (0 == strcmp("on", n->child->string)) {

if (p->col)

p->flags &= ~TERMP_NOSPACE;

p->flags &= ~TERMP_NONOSPACE;

p->flags &= ~TERMP_NOSPACE;

} else

p->flags |= TERMP_NONOSPACE;

Line 2078 static void

Line 2098 static void

termp____post(DECL_ARGS)

{

/* TODO: %U. */

p->flags |= TERMP_NOSPACE;

term_word(p, node->next ? "," : ".");

term_word(p, n->next ? "," : ".");

}

/* ARGSUSED */

static int

termp_li_pre(DECL_ARGS)

{

term_fontpush(p, TERMFONT_NONE);

return(1);

}

/* ARGSUSED */

static int

termp_lk_pre(DECL_ARGS)

{

const struct mdoc_node *n;

const struct mdoc_node *nn, *sv;

assert(node->child);

term_fontpush(p, TERMFONT_UNDER);

n = node->child;

if (NULL == n->next) {

nn = sv = n->child;

p->under++;

if (NULL == nn->next)

return(1);

}

p->under++;

for (nn = nn->next; nn; nn = nn->next)

term_word(p, n->string);

term_word(p, nn->string);

term_fontpop(p);

p->flags |= TERMP_NOSPACE;

term_word(p, ":");

p->under--;

p->bold++;

term_fontpush(p, TERMFONT_BOLD);

for (n = n->next; n; n = n->next)

term_word(p, sv->string);

term_word(p, n->string);

term_fontpop(p);

p->bold--;

return(0);

}

Line 2114 termp_lk_pre(DECL_ARGS)

Line 2146 termp_lk_pre(DECL_ARGS)

/* ARGSUSED */

static int

termp_bk_pre(DECL_ARGS)

{

switch (n->type) {

case (MDOC_BLOCK):

break;

case (MDOC_HEAD):

return(0);

case (MDOC_BODY):

p->flags |= TERMP_PREKEEP;

break;

default:

abort();

/* NOTREACHED */

}

return(1);

}

/* ARGSUSED */

static void

termp_bk_post(DECL_ARGS)

{

if (MDOC_BODY == n->type)

p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);

}

/* ARGSUSED */

static int

termp_under_pre(DECL_ARGS)

{

p->under++;

term_fontpush(p, TERMFONT_UNDER);

return(1);

}

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