/* $Id$ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@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 copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR 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 <sys/types.h>
#include <assert.h>
#include <ctype.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "term.h"
/*
* Performs actions on nodes of the abstract syntax tree. Both pre- and
* post-fix operations are defined here.
*/
/* FIXME: macro arguments can be escaped. */
#define TTYPE_PROG 0
#define TTYPE_CMD_FLAG 1
#define TTYPE_CMD_ARG 2
#define TTYPE_SECTION 3
#define TTYPE_FUNC_DECL 4
#define TTYPE_VAR_DECL 5
#define TTYPE_FUNC_TYPE 6
#define TTYPE_FUNC_NAME 7
#define TTYPE_FUNC_ARG 8
#define TTYPE_LINK 9
#define TTYPE_SSECTION 10
#define TTYPE_FILE 11
#define TTYPE_EMPH 12
#define TTYPE_CONFIG 13
#define TTYPE_CMD 14
#define TTYPE_INCLUDE 15
#define TTYPE_SYMB 16
#define TTYPE_SYMBOL 17
#define TTYPE_DIAG 18
#define TTYPE_LINK_ANCHOR 19
#define TTYPE_LINK_TEXT 20
#define TTYPE_REF_JOURNAL 21
#define TTYPE_NMAX 22
/*
* These define "styles" for element types, like command arguments or
* executable names. This is useful when multiple macros must decorate
* the same thing (like .Ex -std cmd and .Nm cmd).
*/
/* TODO: abstract this into mdocterm.c. */
const int ttypes[TTYPE_NMAX] = {
TERMP_BOLD, /* TTYPE_PROG */
TERMP_BOLD, /* TTYPE_CMD_FLAG */
TERMP_UNDER, /* TTYPE_CMD_ARG */
TERMP_BOLD, /* TTYPE_SECTION */
TERMP_BOLD, /* TTYPE_FUNC_DECL */
TERMP_UNDER, /* TTYPE_VAR_DECL */
TERMP_UNDER, /* TTYPE_FUNC_TYPE */
TERMP_BOLD, /* TTYPE_FUNC_NAME */
TERMP_UNDER, /* TTYPE_FUNC_ARG */
TERMP_UNDER, /* TTYPE_LINK */
TERMP_BOLD, /* TTYPE_SSECTION */
TERMP_UNDER, /* TTYPE_FILE */
TERMP_UNDER, /* TTYPE_EMPH */
TERMP_BOLD, /* TTYPE_CONFIG */
TERMP_BOLD, /* TTYPE_CMD */
TERMP_BOLD, /* TTYPE_INCLUDE */
TERMP_BOLD, /* TTYPE_SYMB */
TERMP_BOLD, /* TTYPE_SYMBOL */
TERMP_BOLD, /* TTYPE_DIAG */
TERMP_UNDER, /* TTYPE_LINK_ANCHOR */
TERMP_BOLD, /* TTYPE_LINK_TEXT */
TERMP_UNDER /* TTYPE_REF_JOURNAL */
};
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 *);
/*
* What follows describes prefix and postfix operations for the abstract
* syntax tree descent.
*/
#define DECL_ARGS \
struct termp *p, \
struct termpair *pair, \
const struct mdoc_meta *meta, \
const struct mdoc_node *node
#define DECL_PRE(name) \
static int name##_pre(DECL_ARGS)
#define DECL_POST(name) \
static void name##_post(DECL_ARGS)
#define DECL_PREPOST(name) \
DECL_PRE(name); \
DECL_POST(name);
DECL_PREPOST(termp__t);
DECL_PREPOST(termp_aq);
DECL_PREPOST(termp_bd);
DECL_PREPOST(termp_bq);
DECL_PREPOST(termp_brq);
DECL_PREPOST(termp_d1);
DECL_PREPOST(termp_dq);
DECL_PREPOST(termp_fd);
DECL_PREPOST(termp_fn);
DECL_PREPOST(termp_fo);
DECL_PREPOST(termp_ft);
DECL_PREPOST(termp_in);
DECL_PREPOST(termp_it);
DECL_PREPOST(termp_lb);
DECL_PREPOST(termp_op);
DECL_PREPOST(termp_pf);
DECL_PREPOST(termp_pq);
DECL_PREPOST(termp_qq);
DECL_PREPOST(termp_sh);
DECL_PREPOST(termp_ss);
DECL_PREPOST(termp_sq);
DECL_PREPOST(termp_vt);
DECL_PRE(termp__j);
DECL_PRE(termp_ap);
DECL_PRE(termp_ar);
DECL_PRE(termp_at);
DECL_PRE(termp_bf);
DECL_PRE(termp_bsx);
DECL_PRE(termp_bt);
DECL_PRE(termp_cd);
DECL_PRE(termp_cm);
DECL_PRE(termp_dx);
DECL_PRE(termp_em);
DECL_PRE(termp_ex);
DECL_PRE(termp_fa);
DECL_PRE(termp_fl);
DECL_PRE(termp_fx);
DECL_PRE(termp_ic);
DECL_PRE(termp_lk);
DECL_PRE(termp_ms);
DECL_PRE(termp_mt);
DECL_PRE(termp_nd);
DECL_PRE(termp_nm);
DECL_PRE(termp_ns);
DECL_PRE(termp_nx);
DECL_PRE(termp_ox);
DECL_PRE(termp_pa);
DECL_PRE(termp_pp);
DECL_PRE(termp_rs);
DECL_PRE(termp_rv);
DECL_PRE(termp_sm);
DECL_PRE(termp_st);
DECL_PRE(termp_sx);
DECL_PRE(termp_sy);
DECL_PRE(termp_ud);
DECL_PRE(termp_ux);
DECL_PRE(termp_va);
DECL_PRE(termp_xr);
DECL_POST(termp___);
DECL_POST(termp_bl);
DECL_POST(termp_bx);
const struct termact __termacts[MDOC_MAX] = {
{ NULL, NULL }, /* \" */
{ NULL, NULL }, /* Dd */
{ NULL, NULL }, /* Dt */
{ NULL, NULL }, /* Os */
{ termp_sh_pre, termp_sh_post }, /* Sh */
{ termp_ss_pre, termp_ss_post }, /* Ss */
{ termp_pp_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 */
{ NULL, NULL }, /* El */
{ termp_it_pre, termp_it_post }, /* It */
{ NULL, NULL }, /* Ad */
{ NULL, NULL }, /* An */
{ termp_ar_pre, NULL }, /* Ar */
{ termp_cd_pre, NULL }, /* Cd */
{ termp_cm_pre, NULL }, /* Cm */
{ NULL, NULL }, /* Dv */
{ NULL, NULL }, /* Er */
{ NULL, NULL }, /* Ev */
{ termp_ex_pre, NULL }, /* Ex */
{ termp_fa_pre, NULL }, /* Fa */
{ termp_fd_pre, termp_fd_post }, /* Fd */
{ termp_fl_pre, NULL }, /* Fl */
{ termp_fn_pre, termp_fn_post }, /* Fn */
{ termp_ft_pre, termp_ft_post }, /* Ft */
{ termp_ic_pre, NULL }, /* Ic */
{ termp_in_pre, termp_in_post }, /* In */
{ NULL, NULL }, /* Li */
{ termp_nd_pre, NULL }, /* Nd */
{ termp_nm_pre, NULL }, /* Nm */
{ termp_op_pre, termp_op_post }, /* Op */
{ NULL, NULL }, /* Ot */
{ termp_pa_pre, NULL }, /* Pa */
{ termp_rv_pre, NULL }, /* Rv */
{ termp_st_pre, NULL }, /* St */
{ termp_va_pre, NULL }, /* Va */
{ termp_vt_pre, termp_vt_post }, /* Vt */
{ termp_xr_pre, NULL }, /* Xr */
{ NULL, termp____post }, /* %A */
{ NULL, termp____post }, /* %B */
{ NULL, termp____post }, /* %D */
{ NULL, termp____post }, /* %I */
{ termp__j_pre, termp____post }, /* %J */
{ NULL, termp____post }, /* %N */
{ NULL, termp____post }, /* %O */
{ NULL, termp____post }, /* %P */
{ NULL, termp____post }, /* %R */
{ termp__t_pre, termp__t_post }, /* %T */
{ NULL, termp____post }, /* %V */
{ NULL, NULL }, /* Ac */
{ termp_aq_pre, termp_aq_post }, /* Ao */
{ termp_aq_pre, termp_aq_post }, /* Aq */
{ termp_at_pre, NULL }, /* At */
{ NULL, NULL }, /* Bc */
{ termp_bf_pre, NULL }, /* Bf */
{ termp_bq_pre, termp_bq_post }, /* Bo */
{ termp_bq_pre, termp_bq_post }, /* Bq */
{ termp_bsx_pre, NULL }, /* Bsx */
{ NULL, termp_bx_post }, /* Bx */
{ NULL, NULL }, /* Db */
{ NULL, NULL }, /* Dc */
{ termp_dq_pre, termp_dq_post }, /* Do */
{ termp_dq_pre, termp_dq_post }, /* Dq */
{ NULL, NULL }, /* Ec */
{ NULL, NULL }, /* Ef */
{ termp_em_pre, NULL }, /* Em */
{ NULL, NULL }, /* Eo */
{ termp_fx_pre, NULL }, /* Fx */
{ termp_ms_pre, NULL }, /* Ms */
{ NULL, NULL }, /* No */
{ termp_ns_pre, NULL }, /* Ns */
{ termp_nx_pre, NULL }, /* Nx */
{ termp_ox_pre, NULL }, /* Ox */
{ NULL, NULL }, /* Pc */
{ termp_pf_pre, termp_pf_post }, /* Pf */
{ termp_pq_pre, termp_pq_post }, /* Po */
{ termp_pq_pre, termp_pq_post }, /* Pq */
{ NULL, NULL }, /* Qc */
{ termp_sq_pre, termp_sq_post }, /* Ql */
{ termp_qq_pre, termp_qq_post }, /* Qo */
{ termp_qq_pre, termp_qq_post }, /* Qq */
{ NULL, NULL }, /* Re */
{ termp_rs_pre, NULL }, /* Rs */
{ NULL, NULL }, /* Sc */
{ termp_sq_pre, termp_sq_post }, /* So */
{ termp_sq_pre, termp_sq_post }, /* Sq */
{ termp_sm_pre, NULL }, /* Sm */
{ termp_sx_pre, NULL }, /* Sx */
{ termp_sy_pre, NULL }, /* Sy */
{ NULL, NULL }, /* Tn */
{ termp_ux_pre, NULL }, /* Ux */
{ NULL, NULL }, /* Xc */
{ NULL, NULL }, /* Xo */
{ termp_fo_pre, termp_fo_post }, /* Fo */
{ NULL, NULL }, /* Fc */
{ termp_op_pre, termp_op_post }, /* Oo */
{ NULL, NULL }, /* Oc */
{ NULL, NULL }, /* Bk */
{ NULL, NULL }, /* Ek */
{ termp_bt_pre, NULL }, /* Bt */
{ NULL, NULL }, /* Hf */
{ NULL, NULL }, /* Fr */
{ termp_ud_pre, NULL }, /* Ud */
{ termp_lb_pre, termp_lb_post }, /* Lb */
{ termp_ap_pre, NULL }, /* Lb */
{ termp_pp_pre, NULL }, /* Pp */
{ termp_lk_pre, NULL }, /* Lk */
{ termp_mt_pre, NULL }, /* Mt */
{ termp_brq_pre, termp_brq_post }, /* Brq */
{ termp_brq_pre, termp_brq_post }, /* Bro */
{ NULL, NULL }, /* Brc */
{ NULL, NULL }, /* %C */
{ NULL, NULL }, /* Es */
{ NULL, NULL }, /* En */
{ termp_dx_pre, NULL }, /* Dx */
{ NULL, NULL }, /* %Q */
};
const struct termact *termacts = __termacts;
static size_t
arg_width(const struct mdoc_argv *arg, int pos)
{
size_t v;
int i, len;
assert(pos < (int)arg->sz && pos >= 0);
assert(arg->value[pos]);
if (0 == strcmp(arg->value[pos], "indent"))
return(INDENT);
if (0 == strcmp(arg->value[pos], "indent-two"))
return(INDENT * 2);
len = (int)strlen(arg->value[pos]);
assert(len > 0);
for (i = 0; i < len - 1; i++)
if ( ! isdigit((u_char)arg->value[pos][i]))
break;
if (i == len - 1) {
if ('n' == arg->value[pos][len - 1]) {
v = (size_t)atoi(arg->value[pos]);
return(v);
}
}
return(strlen(arg->value[pos]) + 1);
}
static int
arg_listtype(const struct mdoc_node *n)
{
int i, len;
assert(MDOC_BLOCK == n->type);
len = (int)(n->args ? n->args->argc : 0);
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_Ohang):
return(n->args->argv[i].arg);
default:
break;
}
errx(1, "list type not supported");
/* NOTREACHED */
}
static size_t
arg_offset(const struct mdoc_argv *arg)
{
/* TODO */
assert(*arg->value);
if (0 == strcmp(*arg->value, "indent"))
return(INDENT);
if (0 == strcmp(*arg->value, "indent-two"))
return(INDENT * 2);
return(strlen(*arg->value));
}
static int
arg_hasattr(int arg, const struct mdoc_node *n)
{
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 int
termp_dq_pre(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return(1);
term_word(p, "\\(lq");
p->flags |= TERMP_NOSPACE;
return(1);
}
/* ARGSUSED */
static void
termp_dq_post(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return;
p->flags |= TERMP_NOSPACE;
term_word(p, "\\(rq");
}
/* ARGSUSED */
static int
termp_it_pre_block(DECL_ARGS)
{
term_newln(p);
if ( ! arg_hasattr(MDOC_Compact, node->parent->parent))
term_vspace(p);
return(1);
}
/* ARGSUSED */
static int
termp_it_pre(DECL_ARGS)
{
const struct mdoc_node *bl, *n;
char buf[7];
int i, type, keys[3], vals[3];
size_t width, offset;
if (MDOC_BLOCK == node->type)
return(termp_it_pre_block(p, pair, meta, node));
bl = node->parent->parent->parent;
/* Save parent attributes. */
pair->offset = p->offset;
pair->rmargin = p->rmargin;
pair->flag = p->flags;
/* Get list width and offset. */
keys[0] = MDOC_Width;
keys[1] = MDOC_Offset;
keys[2] = MDOC_Column;
vals[0] = vals[1] = vals[2] = -1;
width = offset = 0;
(void)arg_getattrs(keys, vals, 3, bl);
type = arg_listtype(bl);
/* Calculate real width and offset. */
switch (type) {
case (MDOC_Column):
if (MDOC_BODY == node->type)
break;
for (i = 0, n = node->prev; n; n = n->prev, i++)
offset += arg_width
(&bl->args->argv[vals[2]], i);
assert(i < (int)bl->args->argv[vals[2]].sz);
width = arg_width(&bl->args->argv[vals[2]], i);
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;
}
/*
* List-type can override the width in the case of fixed-head
* values (bullet, dash/hyphen, enum). Tags need a non-zero
* offset.
*/
switch (type) {
case (MDOC_Bullet):
/* FALLTHROUGH */
case (MDOC_Dash):
/* FALLTHROUGH */
case (MDOC_Enum):
/* FALLTHROUGH */
case (MDOC_Hyphen):
if (width < 4)
width = 4;
break;
case (MDOC_Tag):
if (0 == width)
width = 10;
break;
default:
break;
}
/*
* Whitespace control. Inset bodies need an initial space.
*/
switch (type) {
case (MDOC_Diag):
/* FALLTHROUGH */
case (MDOC_Inset):
if (MDOC_BODY == node->type)
p->flags &= ~TERMP_NOSPACE;
else
p->flags |= TERMP_NOSPACE;
break;
default:
p->flags |= TERMP_NOSPACE;
break;
}
/*
* Style flags. Diagnostic heads need TTYPE_DIAG.
*/
switch (type) {
case (MDOC_Diag):
if (MDOC_HEAD == node->type)
p->flags |= ttypes[TTYPE_DIAG];
break;
default:
break;
}
/*
* Pad and break control. This is the tricker part. Lists with
* set right-margins for the head get TERMP_NOBREAK because, if
* they overrun the margin, they wrap to the new margin.
* Correspondingly, the body for these types don't left-pad, as
* the head will pad out to to the right.
*/
switch (type) {
case (MDOC_Bullet):
/* FALLTHROUGH */
case (MDOC_Dash):
/* FALLTHROUGH */
case (MDOC_Enum):
/* FALLTHROUGH */
case (MDOC_Hyphen):
/* FALLTHROUGH */
case (MDOC_Tag):
if (MDOC_HEAD == node->type)
p->flags |= TERMP_NOBREAK;
else
p->flags |= TERMP_NOLPAD;
if (MDOC_HEAD == node->type && MDOC_Tag == type)
if (NULL == node->next ||
NULL == node->next->child)
p->flags |= TERMP_NONOBREAK;
break;
case (MDOC_Column):
if (MDOC_HEAD == node->type) {
assert(node->next);
if (MDOC_BODY == node->next->type)
p->flags &= ~TERMP_NOBREAK;
else
p->flags |= TERMP_NOBREAK;
if (node->prev)
p->flags |= TERMP_NOLPAD;
}
break;
case (MDOC_Diag):
if (MDOC_HEAD == node->type)
p->flags |= TERMP_NOBREAK;
break;
default:
break;
}
/*
* Margin control. Set-head-width lists have their right
* margins shortened. The body for these lists has the offset
* necessarily lengthened. Everybody gets the offset.
*/
p->offset += offset;
switch (type) {
case (MDOC_Bullet):
/* FALLTHROUGH */
case (MDOC_Dash):
/* FALLTHROUGH */
case (MDOC_Enum):
/* FALLTHROUGH */
case (MDOC_Hyphen):
/* FALLTHROUGH */
case (MDOC_Tag):
if (MDOC_HEAD == node->type)
p->rmargin = p->offset + width;
else
p->offset += width;
break;
case (MDOC_Column):
p->rmargin = p->offset + width;
break;
default:
break;
}
/*
* The dash, hyphen, bullet and enum lists all have a special
* HEAD character. Print it now.
*/
if (MDOC_HEAD == node->type)
switch (type) {
case (MDOC_Bullet):
term_word(p, "\\[bu]");
break;
case (MDOC_Dash):
/* FALLTHROUGH */
case (MDOC_Hyphen):
term_word(p, "\\-");
break;
case (MDOC_Enum):
(pair->ppair->ppair->count)++;
(void)snprintf(buf, sizeof(buf), "%d.",
pair->ppair->ppair->count);
term_word(p, buf);
break;
default:
break;
}
/*
* If we're not going to process our children, indicate so here.
*/
switch (type) {
case (MDOC_Bullet):
/* FALLTHROUGH */
case (MDOC_Item):
/* FALLTHROUGH */
case (MDOC_Dash):
/* FALLTHROUGH */
case (MDOC_Hyphen):
/* FALLTHROUGH */
case (MDOC_Enum):
if (MDOC_HEAD == node->type)
return(0);
break;
case (MDOC_Column):
if (MDOC_BODY == node->type)
return(0);
break;
default:
break;
}
return(1);
}
/* ARGSUSED */
static void
termp_it_post(DECL_ARGS)
{
int type;
if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
return;
type = arg_listtype(node->parent->parent->parent);
switch (type) {
case (MDOC_Diag):
/* FALLTHROUGH */
case (MDOC_Item):
/* FALLTHROUGH */
case (MDOC_Inset):
if (MDOC_BODY == node->type)
term_flushln(p);
break;
case (MDOC_Column):
if (MDOC_HEAD == node->type)
term_flushln(p);
break;
default:
term_flushln(p);
break;
}
p->offset = pair->offset;
p->rmargin = pair->rmargin;
p->flags = pair->flag;
}
/* ARGSUSED */
static int
termp_nm_pre(DECL_ARGS)
{
if (SEC_SYNOPSIS == node->sec)
term_newln(p);
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_PROG]);
if (NULL == node->child)
term_word(p, meta->name);
return(1);
}
/* ARGSUSED */
static int
termp_fl_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]);
term_word(p, "\\-");
p->flags |= TERMP_NOSPACE;
return(1);
}
/* ARGSUSED */
static int
termp_ar_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_ARG]);
return(1);
}
/* ARGSUSED */
static int
termp_ns_pre(DECL_ARGS)
{
p->flags |= TERMP_NOSPACE;
return(1);
}
/* ARGSUSED */
static int
termp_pp_pre(DECL_ARGS)
{
term_vspace(p);
return(1);
}
/* ARGSUSED */
static int
termp_st_pre(DECL_ARGS)
{
const char *cp;
if (node->child && (cp = mdoc_a2st(node->child->string)))
term_word(p, cp);
return(0);
}
/* ARGSUSED */
static int
termp_rs_pre(DECL_ARGS)
{
if (MDOC_BLOCK == node->type && node->prev)
term_vspace(p);
return(1);
}
/* ARGSUSED */
static int
termp_rv_pre(DECL_ARGS)
{
int i;
if (-1 == (i = arg_getattr(MDOC_Std, node)))
errx(1, "expected -std argument");
if (1 != node->args->argv[i].sz)
errx(1, "expected -std argument");
term_newln(p);
term_word(p, "The");
p->flags |= ttypes[TTYPE_FUNC_NAME];
term_word(p, *node->args->argv[i].value);
p->flags &= ~ttypes[TTYPE_FUNC_NAME];
p->flags |= TERMP_NOSPACE;
term_word(p, "() function returns the value 0 if successful;");
term_word(p, "otherwise the value -1 is returned and the");
term_word(p, "global variable");
p->flags |= ttypes[TTYPE_VAR_DECL];
term_word(p, "errno");
p->flags &= ~ttypes[TTYPE_VAR_DECL];
term_word(p, "is set to indicate the error.");
return(1);
}
/* ARGSUSED */
static int
termp_ex_pre(DECL_ARGS)
{
int i;
if (-1 == (i = arg_getattr(MDOC_Std, node)))
errx(1, "expected -std argument");
if (1 != node->args->argv[i].sz)
errx(1, "expected -std argument");
term_word(p, "The");
p->flags |= ttypes[TTYPE_PROG];
term_word(p, *node->args->argv[i].value);
p->flags &= ~ttypes[TTYPE_PROG];
term_word(p, "utility exits 0 on success, and >0 if an error occurs.");
return(1);
}
/* ARGSUSED */
static int
termp_nd_pre(DECL_ARGS)
{
term_word(p, "\\-");
return(1);
}
/* ARGSUSED */
static void
termp_bl_post(DECL_ARGS)
{
if (MDOC_BLOCK == node->type)
term_newln(p);
}
/* ARGSUSED */
static void
termp_op_post(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return;
p->flags |= TERMP_NOSPACE;
term_word(p, "\\(rB");
}
/* ARGSUSED */
static int
termp_xr_pre(DECL_ARGS)
{
const struct mdoc_node *n;
if (NULL == (n = node->child))
errx(1, "expected text line argument");
term_word(p, n->string);
if (NULL == (n = n->next))
return(0);
p->flags |= TERMP_NOSPACE;
term_word(p, "(");
p->flags |= TERMP_NOSPACE;
term_word(p, n->string);
p->flags |= TERMP_NOSPACE;
term_word(p, ")");
return(0);
}
/* ARGSUSED */
static int
termp_vt_pre(DECL_ARGS)
{
/* FIXME: this can be "type name". */
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]);
return(1);
}
/* ARGSUSED */
static void
termp_vt_post(DECL_ARGS)
{
if (node->sec == SEC_SYNOPSIS)
term_vspace(p);
}
/* ARGSUSED */
static int
termp_fd_pre(DECL_ARGS)
{
/*
* FIXME: this naming is bad. This value is used, in general,
* for the #include header or other preprocessor statement.
*/
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_DECL]);
return(1);
}
/* ARGSUSED */
static void
termp_fd_post(DECL_ARGS)
{
if (node->sec != SEC_SYNOPSIS)
return;
term_newln(p);
if (node->next && MDOC_Fd != node->next->tok)
term_vspace(p);
}
/* ARGSUSED */
static int
termp_sh_pre(DECL_ARGS)
{
switch (node->type) {
case (MDOC_HEAD):
term_vspace(p);
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SECTION]);
break;
case (MDOC_BODY):
p->offset = INDENT;
break;
default:
break;
}
return(1);
}
/* ARGSUSED */
static void
termp_sh_post(DECL_ARGS)
{
switch (node->type) {
case (MDOC_HEAD):
term_newln(p);
break;
case (MDOC_BODY):
term_newln(p);
p->offset = 0;
break;
default:
break;
}
}
/* ARGSUSED */
static int
termp_op_pre(DECL_ARGS)
{
switch (node->type) {
case (MDOC_BODY):
term_word(p, "\\(lB");
p->flags |= TERMP_NOSPACE;
break;
default:
break;
}
return(1);
}
/* ARGSUSED */
static int
termp_bt_pre(DECL_ARGS)
{
term_word(p, "is currently in beta test.");
return(1);
}
/* ARGSUSED */
static int
termp_lb_pre(DECL_ARGS)
{
const char *lb;
if (NULL == node->child)
errx(1, "expected text line argument");
if ((lb = mdoc_a2lib(node->child->string))) {
term_word(p, lb);
return(0);
}
term_word(p, "library");
return(1);
}
/* ARGSUSED */
static void
termp_lb_post(DECL_ARGS)
{
term_newln(p);
}
/* ARGSUSED */
static int
termp_ud_pre(DECL_ARGS)
{
term_word(p, "currently under development.");
return(1);
}
/* ARGSUSED */
static int
termp_d1_pre(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return(1);
term_newln(p);
p->offset += (pair->offset = INDENT);
return(1);
}
/* ARGSUSED */
static void
termp_d1_post(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return;
term_newln(p);
p->offset -= pair->offset;
}
/* ARGSUSED */
static int
termp_aq_pre(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return(1);
term_word(p, "\\(la");
p->flags |= TERMP_NOSPACE;
return(1);
}
/* ARGSUSED */
static void
termp_aq_post(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return;
p->flags |= TERMP_NOSPACE;
term_word(p, "\\(ra");
}
/* ARGSUSED */
static int
termp_ft_pre(DECL_ARGS)
{
if (SEC_SYNOPSIS == node->sec)
if (node->prev && MDOC_Fo == node->prev->tok)
term_vspace(p);
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]);
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;
if (NULL == node->child)
errx(1, "expected text line arguments");
/* FIXME: can be "type funcname" "type varname"... */
p->flags |= ttypes[TTYPE_FUNC_NAME];
term_word(p, node->child->string);
p->flags &= ~ttypes[TTYPE_FUNC_NAME];
term_word(p, "(");
p->flags |= TERMP_NOSPACE;
for (n = node->child->next; n; n = n->next) {
p->flags |= ttypes[TTYPE_FUNC_ARG];
term_word(p, n->string);
p->flags &= ~ttypes[TTYPE_FUNC_ARG];
if (n->next)
term_word(p, ",");
}
term_word(p, ")");
if (SEC_SYNOPSIS == node->sec)
term_word(p, ";");
return(0);
}
/* ARGSUSED */
static void
termp_fn_post(DECL_ARGS)
{
if (node->sec == SEC_SYNOPSIS && node->next)
term_vspace(p);
}
/* ARGSUSED */
static int
termp_sx_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK]);
return(1);
}
/* ARGSUSED */
static int
termp_fa_pre(DECL_ARGS)
{
struct mdoc_node *n;
if (node->parent->tok != MDOC_Fo) {
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_ARG]);
return(1);
}
for (n = node->child; n; n = n->next) {
p->flags |= ttypes[TTYPE_FUNC_ARG];
term_word(p, n->string);
p->flags &= ~ttypes[TTYPE_FUNC_ARG];
if (n->next)
term_word(p, ",");
}
if (node->next && node->next->tok == MDOC_Fa)
term_word(p, ",");
return(0);
}
/* ARGSUSED */
static int
termp_va_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]);
return(1);
}
/* ARGSUSED */
static int
termp_bd_pre(DECL_ARGS)
{
int i, type, ln;
/*
* This is fairly tricky due primarily to crappy documentation.
* 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) {
/* FIXME: parent prev? */
if (node->prev)
term_vspace(p);
return(1);
} else if (MDOC_BODY != node->type)
return(1);
if (NULL == node->parent->args)
errx(1, "missing display type");
pair->offset = p->offset;
for (type = -1, i = 0;
i < (int)node->parent->args->argc; i++) {
switch (node->parent->args->argv[i].arg) {
case (MDOC_Ragged):
/* FALLTHROUGH */
case (MDOC_Filled):
/* FALLTHROUGH */
case (MDOC_Unfilled):
/* FALLTHROUGH */
case (MDOC_Literal):
type = node->parent->args->argv[i].arg;
i = (int)node->parent->args->argc;
break;
default:
break;
}
}
if (NULL == node->parent->args)
errx(1, "missing display type");
i = arg_getattr(MDOC_Offset, node->parent);
if (-1 != i) {
if (1 != node->parent->args->argv[i].sz)
errx(1, "expected single value");
p->offset += arg_offset(&node->parent->args->argv[i]);
}
switch (type) {
case (MDOC_Literal):
/* FALLTHROUGH */
case (MDOC_Unfilled):
break;
default:
return(1);
}
/*
* Tricky. Iterate through all children. If we're on a
* different parse line, append a newline and then the contents.
* Ew.
*/
p->flags |= TERMP_LITERAL;
ln = node->child ? node->child->line : 0;
for (node = node->child; node; node = node->next) {
if (ln < node->line) {
term_flushln(p);
p->flags |= TERMP_NOSPACE;
}
ln = node->line;
term_node(p, pair, meta, node);
}
return(0);
}
/* ARGSUSED */
static void
termp_bd_post(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return;
term_flushln(p);
p->flags &= ~TERMP_LITERAL;
p->offset = pair->offset;
p->flags |= TERMP_NOSPACE;
}
/* ARGSUSED */
static int
termp_qq_pre(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return(1);
term_word(p, "\"");
p->flags |= TERMP_NOSPACE;
return(1);
}
/* ARGSUSED */
static void
termp_qq_post(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return;
p->flags |= TERMP_NOSPACE;
term_word(p, "\"");
}
/* ARGSUSED */
static int
termp_bsx_pre(DECL_ARGS)
{
term_word(p, "BSDI BSD/OS");
return(1);
}
/* ARGSUSED */
static void
termp_bx_post(DECL_ARGS)
{
if (node->child)
p->flags |= TERMP_NOSPACE;
term_word(p, "BSD");
}
/* ARGSUSED */
static int
termp_ox_pre(DECL_ARGS)
{
term_word(p, "OpenBSD");
return(1);
}
/* ARGSUSED */
static int
termp_dx_pre(DECL_ARGS)
{
term_word(p, "DragonFly");
return(1);
}
/* ARGSUSED */
static int
termp_ux_pre(DECL_ARGS)
{
term_word(p, "UNIX");
return(1);
}
/* ARGSUSED */
static int
termp_fx_pre(DECL_ARGS)
{
term_word(p, "FreeBSD");
return(1);
}
/* ARGSUSED */
static int
termp_nx_pre(DECL_ARGS)
{
term_word(p, "NetBSD");
return(1);
}
/* ARGSUSED */
static int
termp_sq_pre(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return(1);
term_word(p, "\\(oq");
p->flags |= TERMP_NOSPACE;
return(1);
}
/* ARGSUSED */
static void
termp_sq_post(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return;
p->flags |= TERMP_NOSPACE;
term_word(p, "\\(aq");
}
/* ARGSUSED */
static int
termp_pf_pre(DECL_ARGS)
{
p->flags |= TERMP_IGNDELIM;
return(1);
}
/* ARGSUSED */
static void
termp_pf_post(DECL_ARGS)
{
p->flags &= ~TERMP_IGNDELIM;
p->flags |= TERMP_NOSPACE;
}
/* ARGSUSED */
static int
termp_ss_pre(DECL_ARGS)
{
switch (node->type) {
case (MDOC_BLOCK):
term_newln(p);
if (node->prev)
term_vspace(p);
break;
case (MDOC_HEAD):
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SSECTION]);
p->offset = INDENT / 2;
break;
default:
break;
}
return(1);
}
/* ARGSUSED */
static void
termp_ss_post(DECL_ARGS)
{
switch (node->type) {
case (MDOC_HEAD):
term_newln(p);
p->offset = INDENT;
break;
default:
break;
}
}
/* ARGSUSED */
static int
termp_pa_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FILE]);
return(1);
}
/* ARGSUSED */
static int
termp_em_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
return(1);
}
/* ARGSUSED */
static int
termp_cd_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]);
term_newln(p);
return(1);
}
/* ARGSUSED */
static int
termp_cm_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]);
return(1);
}
/* ARGSUSED */
static int
termp_ic_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD]);
return(1);
}
/* ARGSUSED */
static int
termp_in_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_INCLUDE]);
term_word(p, "#include");
term_word(p, "<");
p->flags |= TERMP_NOSPACE;
return(1);
}
/* ARGSUSED */
static void
termp_in_post(DECL_ARGS)
{
p->flags |= TERMP_NOSPACE;
term_word(p, ">");
term_newln(p);
if (SEC_SYNOPSIS != node->sec)
return;
if (node->next && MDOC_In != node->next->tok)
term_vspace(p);
}
/* ARGSUSED */
static int
termp_at_pre(DECL_ARGS)
{
const char *att;
att = NULL;
if (node->child)
att = mdoc_a2att(node->child->string);
if (NULL == att)
att = "AT&T UNIX";
term_word(p, att);
return(0);
}
/* ARGSUSED */
static int
termp_brq_pre(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return(1);
term_word(p, "\\(lC");
p->flags |= TERMP_NOSPACE;
return(1);
}
/* ARGSUSED */
static void
termp_brq_post(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return;
p->flags |= TERMP_NOSPACE;
term_word(p, "\\(rC");
}
/* ARGSUSED */
static int
termp_bq_pre(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return(1);
term_word(p, "\\(lB");
p->flags |= TERMP_NOSPACE;
return(1);
}
/* ARGSUSED */
static void
termp_bq_post(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return;
p->flags |= TERMP_NOSPACE;
term_word(p, "\\(rB");
}
/* ARGSUSED */
static int
termp_pq_pre(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return(1);
term_word(p, "\\&(");
p->flags |= TERMP_NOSPACE;
return(1);
}
/* ARGSUSED */
static void
termp_pq_post(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return;
term_word(p, ")");
}
/* ARGSUSED */
static int
termp_fo_pre(DECL_ARGS)
{
const struct mdoc_node *n;
if (MDOC_BODY == node->type) {
term_word(p, "(");
p->flags |= TERMP_NOSPACE;
return(1);
} else if (MDOC_HEAD != node->type)
return(1);
/* XXX - groff shows only first parameter */
p->flags |= ttypes[TTYPE_FUNC_NAME];
for (n = node->child; n; n = n->next) {
if (MDOC_TEXT != n->type)
errx(1, "expected text line argument");
term_word(p, n->string);
}
p->flags &= ~ttypes[TTYPE_FUNC_NAME];
return(0);
}
/* ARGSUSED */
static void
termp_fo_post(DECL_ARGS)
{
if (MDOC_BODY != node->type)
return;
p->flags |= TERMP_NOSPACE;
term_word(p, ")");
p->flags |= TERMP_NOSPACE;
term_word(p, ";");
term_newln(p);
}
/* ARGSUSED */
static int
termp_bf_pre(DECL_ARGS)
{
const struct mdoc_node *n;
if (MDOC_HEAD == node->type) {
return(0);
} else if (MDOC_BLOCK != node->type)
return(1);
if (NULL == (n = node->head->child)) {
if (arg_hasattr(MDOC_Emphasis, node))
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
else if (arg_hasattr(MDOC_Symbolic, node))
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]);
return(1);
}
if (MDOC_TEXT != n->type)
errx(1, "expected text line arguments");
if (0 == strcmp("Em", n->string))
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
else if (0 == strcmp("Sy", n->string))
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);
return(1);
}
/* ARGSUSED */
static int
termp_sy_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]);
return(1);
}
/* ARGSUSED */
static int
termp_ms_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMBOL]);
return(1);
}
/* ARGSUSED */
static int
termp_sm_pre(DECL_ARGS)
{
if (NULL == node->child || MDOC_TEXT != node->child->type)
errx(1, "expected boolean line argument");
if (0 == strcmp("on", node->child->string)) {
p->flags &= ~TERMP_NONOSPACE;
p->flags &= ~TERMP_NOSPACE;
} else
p->flags |= TERMP_NONOSPACE;
return(0);
}
/* ARGSUSED */
static int
termp_ap_pre(DECL_ARGS)
{
p->flags |= TERMP_NOSPACE;
term_word(p, "\\(aq");
p->flags |= TERMP_NOSPACE;
return(1);
}
/* ARGSUSED */
static int
termp__j_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_REF_JOURNAL]);
return(1);
}
/* ARGSUSED */
static int
termp__t_pre(DECL_ARGS)
{
term_word(p, "\"");
p->flags |= TERMP_NOSPACE;
return(1);
}
/* ARGSUSED */
static void
termp__t_post(DECL_ARGS)
{
p->flags |= TERMP_NOSPACE;
term_word(p, "\"");
termp____post(p, pair, meta, node);
}
/* ARGSUSED */
static void
termp____post(DECL_ARGS)
{
p->flags |= TERMP_NOSPACE;
term_word(p, node->next ? "," : ".");
}
/* ARGSUSED */
static int
termp_lk_pre(DECL_ARGS)
{
const struct mdoc_node *n;
if (NULL == (n = node->child))
errx(1, "expected line argument");
p->flags |= ttypes[TTYPE_LINK_ANCHOR];
term_word(p, n->string);
p->flags &= ~ttypes[TTYPE_LINK_ANCHOR];
p->flags |= TERMP_NOSPACE;
term_word(p, ":");
p->flags |= ttypes[TTYPE_LINK_TEXT];
for ( ; n; n = n->next) {
term_word(p, n->string);
}
p->flags &= ~ttypes[TTYPE_LINK_TEXT];
return(0);
}
/* ARGSUSED */
static int
termp_mt_pre(DECL_ARGS)
{
TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK_ANCHOR]);
return(1);
}
