mandoc/mdoc_man.c - diff

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Diff for /mandoc/mdoc_man.c between version 1.126 and 1.136

version 1.126, 2018/04/11 17:11:13

version 1.136, 2020/02/27 01:43:52

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 36

typedef int (*int_fp)(DECL_ARGS);

typedef void (*void_fp)(DECL_ARGS);

struct manact {

struct mdoc_man_act {

int_fp cond; /* DON'T run actions */

int_fp pre; /* pre-node action */

void_fp post; /* post-node action */

Line 75 static void post_pf(DECL_ARGS);

static void post_sect(DECL_ARGS);

static void post_vt(DECL_ARGS);

static int pre__t(DECL_ARGS);

static int pre_abort(DECL_ARGS);

static int pre_an(DECL_ARGS);

static int pre_ap(DECL_ARGS);

static int pre_aq(DECL_ARGS);

Line 103 static int pre_lk(DECL_ARGS);

Line 104 static int pre_lk(DECL_ARGS);

static int pre_li(DECL_ARGS);

static int pre_nm(DECL_ARGS);

static int pre_no(DECL_ARGS);

static void pre_noarg(DECL_ARGS);

static int pre_ns(DECL_ARGS);

static void pre_onearg(DECL_ARGS);

static int pre_pp(DECL_ARGS);

Line 111 static int pre_sm(DECL_ARGS);

Line 113 static int pre_sm(DECL_ARGS);

static void pre_sp(DECL_ARGS);

static int pre_sect(DECL_ARGS);

static int pre_sy(DECL_ARGS);

static void pre_syn(const struct roff_node *);

static void pre_syn(struct roff_node *);

static void pre_ta(DECL_ARGS);

static int pre_vt(DECL_ARGS);

static int pre_xr(DECL_ARGS);

Line 124 static void print_width(const struct mdoc_bl *,

Line 126 static void print_width(const struct mdoc_bl *,

static void print_count(int *);

static void print_node(DECL_ARGS);

static const void_fp roff_manacts[ROFF_MAX] = {

static const void_fp roff_man_acts[ROFF_MAX] = {

pre_br, /* br */

pre_onearg, /* ce */

pre_noarg, /* fi */

pre_ft, /* ft */

pre_onearg, /* ll */

pre_onearg, /* mc */

pre_noarg, /* nf */

pre_onearg, /* po */

pre_onearg, /* rj */

pre_sp, /* sp */

Line 137 static const void_fp roff_manacts[ROFF_MAX] = {

Line 141 static const void_fp roff_manacts[ROFF_MAX] = {

pre_onearg, /* ti */

};

static const struct manact __manacts[MDOC_MAX - MDOC_Dd] = {

static const struct mdoc_man_act mdoc_man_acts[MDOC_MAX - MDOC_Dd] = {

{ NULL, NULL, NULL, NULL, NULL }, /* Dd */

{ NULL, NULL, NULL, NULL, NULL }, /* Dt */

{ NULL, NULL, NULL, NULL, NULL }, /* Os */

Line 172 static const struct manact __manacts[MDOC_MAX - MDOC_D

Line 176 static const struct manact __manacts[MDOC_MAX - MDOC_D

{ cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */

{ NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */

{ cond_body, pre_enc, post_enc, "[", "]" }, /* Op */

{ NULL, pre_Ft, post_font, NULL, NULL }, /* Ot */

{ NULL, pre_abort, NULL, NULL, NULL }, /* Ot */

{ NULL, pre_em, post_font, NULL, NULL }, /* Pa */

{ NULL, pre_ex, NULL, NULL, NULL }, /* Rv */

{ NULL, NULL, NULL, NULL, NULL }, /* St */

Line 245 static const struct manact __manacts[MDOC_MAX - MDOC_D

Line 249 static const struct manact __manacts[MDOC_MAX - MDOC_D

{ NULL, pre_em, post_font, NULL, NULL }, /* Fr */

{ NULL, NULL, NULL, NULL, NULL }, /* Ud */

{ NULL, NULL, post_lb, NULL, NULL }, /* Lb */

{ NULL, pre_pp, NULL, NULL, NULL }, /* Lp */

{ NULL, pre_abort, NULL, NULL, NULL }, /* Lp */

{ NULL, pre_lk, NULL, NULL, NULL }, /* Lk */

{ NULL, pre_em, post_font, NULL, NULL }, /* Mt */

{ cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */

Line 258 static const struct manact __manacts[MDOC_MAX - MDOC_D

Line 262 static const struct manact __manacts[MDOC_MAX - MDOC_D

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

{ NULL, NULL, post_percent, NULL, NULL }, /* %U */

{ NULL, NULL, NULL, NULL, NULL }, /* Ta */

{ NULL, pre_skip, NULL, NULL, NULL }, /* Tg */

};

static const struct manact *const manacts = __manacts - MDOC_Dd;

static const struct mdoc_man_act *mdoc_man_act(enum roff_tok);

static int outflags;

#define MMAN_spc (1 << 0) /* blank character before next word */

Line 290 static struct {

Line 295 static struct {

} fontqueue;

static const struct mdoc_man_act *

mdoc_man_act(enum roff_tok tok)

{

assert(tok >= MDOC_Dd && tok <= MDOC_MAX);

return mdoc_man_acts + (tok - MDOC_Dd);

}

static int

man_strlen(const char *cp)

{

Line 317 man_strlen(const char *cp)

Line 329 man_strlen(const char *cp)

case ESCAPE_UNICODE:

case ESCAPE_NUMBERED:

case ESCAPE_SPECIAL:

case ESCAPE_UNDEF:

case ESCAPE_OVERSTRIKE:

if (skip)

skip = 0;

Line 570 print_width(const struct mdoc_bl *bl, const struct rof

Line 583 print_width(const struct mdoc_bl *bl, const struct rof

/* Set up the current list. */

if (chsz > sz && bl->type != LIST_tag)

print_block(".HP", 0);

print_block(".HP", MMAN_spc);

else {

print_block(".TP", 0);

print_block(".TP", MMAN_spc);

remain = sz + 2;

}

if (numeric) {

Line 593 print_count(int *count)

Line 606 print_count(int *count)

}

void

man_man(void *arg, const struct roff_man *man)

man_mdoc(void *arg, const struct roff_meta *mdoc)

{

* Dump the keep buffer.

* We're guaranteed by now that this exists (is non-NULL).

* Flush stdout afterward, just in case.

fputs(mparse_getkeep(man_mparse(man)), stdout);

fflush(stdout);

}

void

man_mdoc(void *arg, const struct roff_man *mdoc)

{

struct roff_node *n;

printf(".\\\" Automatically generated from an mdoc input file."

Line 619 man_mdoc(void *arg, const struct roff_man *mdoc)

}

printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",

mdoc->meta.title,

mdoc->title, (mdoc->msec == NULL ? "" : mdoc->msec),

(mdoc->meta.msec == NULL ? "" : mdoc->meta.msec),

mdoc->date, mdoc->os, mdoc->vol);

mdoc->meta.date, mdoc->meta.os, mdoc->meta.vol);

/* Disable hyphenation and if nroff, disable justification. */

printf(".nh\n.if n .ad l");

Line 633 man_mdoc(void *arg, const struct roff_man *mdoc)

Line 632 man_mdoc(void *arg, const struct roff_man *mdoc)

*fontqueue.tail = 'R';

}

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

print_node(&mdoc->meta, n);

print_node(mdoc, n);

putchar('\n');

}

static void

print_node(DECL_ARGS)

{

const struct manact *act;

const struct mdoc_man_act *act;

struct roff_node *sub;

int cond, do_sub;

if (n->flags & NODE_NOPRT)

return;

Line 651 print_node(DECL_ARGS)

Line 650 print_node(DECL_ARGS)

* Break the line if we were parsed subsequent the current node.

* This makes the page structure be more consistent.

if (MMAN_spc & outflags && NODE_LINE & n->flags)

if (outflags & MMAN_spc &&

n->flags & NODE_LINE &&

!roff_node_transparent(n))

outflags |= MMAN_nl;

act = NULL;

Line 680 print_node(DECL_ARGS)

Line 681 print_node(DECL_ARGS)

else if (outflags & MMAN_Sm)

outflags |= MMAN_spc;

} else if (n->tok < ROFF_MAX) {

(*roff_manacts[n->tok])(meta, n);

(*roff_man_acts[n->tok])(meta, n);

return;

} else {

assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);

* Conditionally run the pre-node action handler for a

* node.

act = manacts + n->tok;

act = mdoc_man_act(n->tok);

cond = act->cond == NULL || (*act->cond)(meta, n);

if (cond && act->pre != NULL &&

(n->end == ENDBODY_NOT || n->child != NULL))

Line 732 cond_body(DECL_ARGS)

}

static int

pre_abort(DECL_ARGS)

{

abort();

}

static int

pre_enc(DECL_ARGS)

{

const char *prefix;

prefix = manacts[n->tok].prefix;

prefix = mdoc_man_act(n->tok)->prefix;

if (NULL == prefix)

return 1;

print_word(prefix);

Line 749 post_enc(DECL_ARGS)

Line 755 post_enc(DECL_ARGS)

{

const char *suffix;

suffix = manacts[n->tok].suffix;

suffix = mdoc_man_act(n->tok)->suffix;

if (NULL == suffix)

return;

outflags &= ~(MMAN_spc | MMAN_nl);

Line 773 post_font(DECL_ARGS)

Line 779 post_font(DECL_ARGS)

static void

post_percent(DECL_ARGS)

{

struct roff_node *np, *nn, *nnn;

if (pre_em == manacts[n->tok].pre)

if (mdoc_man_act(n->tok)->pre == pre_em)

font_pop();

if (n->next) {

print_word(",");

if ((nn = roff_node_next(n)) != NULL) {

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

np = roff_node_prev(n);

n->next->tok == n->tok)

nnn = nn == NULL ? NULL : roff_node_next(nn);

if (nn->tok != n->tok ||

(np != NULL && np->tok == n->tok) ||

(nnn != NULL && nnn->tok == n->tok))

print_word(",");

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

(nnn == NULL || nnn->tok != n->tok))

print_word("and");

} else {

print_word(".");

Line 820 pre_sect(DECL_ARGS)

Line 833 pre_sect(DECL_ARGS)

if (n->type == ROFFT_HEAD) {

outflags |= MMAN_sp;

print_block(manacts[n->tok].prefix, 0);

print_block(mdoc_man_act(n->tok)->prefix, 0);

print_word("");

putchar('\"');

outflags &= ~MMAN_spc;

Line 847 post_sect(DECL_ARGS)

Line 860 post_sect(DECL_ARGS)

/* See mdoc_term.c, synopsis_pre() for comments. */

static void

pre_syn(const struct roff_node *n)

pre_syn(struct roff_node *n)

{

struct roff_node *np;

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

if ((n->flags & NODE_SYNPRETTY) == 0 ||

(np = roff_node_prev(n)) == NULL)

return;

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

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

MDOC_Ft != n->tok &&

MDOC_Fo != n->tok &&

MDOC_Fn != n->tok) {

Line 861 pre_syn(const struct roff_node *n)

Line 876 pre_syn(const struct roff_node *n)

return;

}

switch (n->prev->tok) {

switch (np->tok) {

case MDOC_Fd:

case MDOC_Fn:

case MDOC_Fo:

Line 936 post_aq(DECL_ARGS)

Line 951 post_aq(DECL_ARGS)

static int

pre_bd(DECL_ARGS)

{

outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);

if (n->norm->Bd.type == DISP_unfilled ||

if (DISP_unfilled == n->norm->Bd.type ||

n->norm->Bd.type == DISP_literal)

DISP_literal == n->norm->Bd.type)

print_line(".nf", 0);

if (0 == n->norm->Bd.comp && NULL != n->parent->prev)

if (n->norm->Bd.comp == 0 && roff_node_prev(n->parent) != NULL)

outflags |= MMAN_sp;

print_offs(n->norm->Bd.offs, 1);

return 1;

Line 951 pre_bd(DECL_ARGS)

Line 964 pre_bd(DECL_ARGS)

static void

post_bd(DECL_ARGS)

{

enum roff_tok bef, now;

/* Close out this display. */

print_line(".RE", MMAN_nl);

if (DISP_unfilled == n->norm->Bd.type ||

bef = n->flags & NODE_NOFILL ? ROFF_nf : ROFF_fi;

DISP_literal == n->norm->Bd.type)

if (n->last == NULL)

print_line(".fi", MMAN_nl);

now = n->norm->Bd.type == DISP_unfilled ||

n->norm->Bd.type == DISP_literal ? ROFF_nf : ROFF_fi;

else if (n->last->tok == ROFF_nf)

now = ROFF_nf;

else if (n->last->tok == ROFF_fi)

now = ROFF_fi;

else

now = n->last->flags & NODE_NOFILL ? ROFF_nf : ROFF_fi;

if (bef != now) {

outflags |= MMAN_nl;

print_word(".");

outflags &= ~MMAN_spc;

print_word(roff_name[bef]);

outflags |= MMAN_nl;

}

/* Maybe we are inside an enclosing list? */

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

if (roff_node_next(n->parent) != NULL)

mid_it();

}

Line 1084 post_bl(DECL_ARGS)

Line 1112 post_bl(DECL_ARGS)

print_line(".RE", MMAN_nl);

assert(Bl_stack_len);

Bl_stack_len--;

assert(0 == Bl_stack[Bl_stack_len]);

assert(Bl_stack[Bl_stack_len] == 0);

} else {

outflags |= MMAN_PP | MMAN_nl;

outflags &= ~(MMAN_sp | MMAN_br);

}

/* Maybe we are inside an enclosing list? */

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

if (roff_node_next(n->parent) != NULL)

mid_it();

}

static void

Line 1105 pre_br(DECL_ARGS)

Line 1132 pre_br(DECL_ARGS)

static int

pre_dl(DECL_ARGS)

{

print_offs("6n", 0);

return 1;

}

Line 1113 pre_dl(DECL_ARGS)

Line 1139 pre_dl(DECL_ARGS)

static void

post_dl(DECL_ARGS)

{

print_line(".RE", MMAN_nl);

/* Maybe we are inside an enclosing list? */

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

if (roff_node_next(n->parent) != NULL)

mid_it();

}

Line 1218 pre_fa(DECL_ARGS)

Line 1243 pre_fa(DECL_ARGS)

static void

post_fa(DECL_ARGS)

{

struct roff_node *nn;

if (NULL != n->next && MDOC_Fa == n->next->tok)

if ((nn = roff_node_next(n)) != NULL && nn->tok == MDOC_Fa)

print_word(",");

}

static int

pre_fd(DECL_ARGS)

{

pre_syn(n);

font_push('B');

return 1;

Line 1235 pre_fd(DECL_ARGS)

Line 1260 pre_fd(DECL_ARGS)

static void

post_fd(DECL_ARGS)

{

font_pop();

outflags |= MMAN_br;

}

Line 1243 post_fd(DECL_ARGS)

Line 1267 post_fd(DECL_ARGS)

static int

pre_fl(DECL_ARGS)

{

font_push('B');

print_word("\\-");

if (n->child != NULL)

Line 1254 pre_fl(DECL_ARGS)

Line 1277 pre_fl(DECL_ARGS)

static void

post_fl(DECL_ARGS)

{

struct roff_node *nn;

font_pop();

if (!(n->child != NULL ||

if (n->child == NULL &&

n->next == NULL ||

((nn = roff_node_next(n)) != NULL &&

n->next->type == ROFFT_TEXT ||

nn->type != ROFFT_TEXT &&

n->next->flags & NODE_LINE))

(nn->flags & NODE_LINE) == 0))

outflags &= ~MMAN_spc;

}

Line 1402 pre_it(DECL_ARGS)

Line 1426 pre_it(DECL_ARGS)

case ROFFT_HEAD:

outflags |= MMAN_PP | MMAN_nl;

bln = n->parent->parent;

if (0 == bln->norm->Bl.comp ||

if (bln->norm->Bl.comp == 0 ||

(NULL == n->parent->prev &&

(n->parent->prev == NULL &&

NULL == bln->parent->prev))

roff_node_prev(bln->parent) == NULL))

outflags |= MMAN_sp;

outflags &= ~MMAN_br;

switch (bln->norm->Bl.type) {

Line 1607 pre_onearg(DECL_ARGS)

Line 1631 pre_onearg(DECL_ARGS)

static int

pre_li(DECL_ARGS)

{

font_push('R');

return 1;

}

Line 1617 pre_nm(DECL_ARGS)

Line 1640 pre_nm(DECL_ARGS)

{

char *name;

if (n->type == ROFFT_BLOCK) {

switch (n->type) {

case ROFFT_BLOCK:

outflags |= MMAN_Bk;

pre_syn(n);

}

if (n->type != ROFFT_ELEM && n->type != ROFFT_HEAD)

return 1;

case ROFFT_HEAD:

case ROFFT_ELEM:

break;

default:

return 1;

}

name = n->child == NULL ? NULL : n->child->string;

if (NULL == name)

if (name == NULL)

return 0;

if (n->type == ROFFT_HEAD) {

if (NULL == n->parent->prev)

if (roff_node_prev(n->parent) == NULL)

outflags |= MMAN_sp;

print_block(".HP", 0);

printf(" %dn", man_strlen(name) + 1);

Line 1640 pre_nm(DECL_ARGS)

Line 1668 pre_nm(DECL_ARGS)

static void

post_nm(DECL_ARGS)

{

switch (n->type) {

case ROFFT_BLOCK:

outflags &= ~MMAN_Bk;

Line 1658 post_nm(DECL_ARGS)

Line 1685 post_nm(DECL_ARGS)

static int

pre_no(DECL_ARGS)

{

outflags |= MMAN_spc_force;

return 1;

}

static void

pre_noarg(DECL_ARGS)

{

outflags |= MMAN_nl;

print_word(".");

outflags &= ~MMAN_spc;

print_word(roff_name[n->tok]);

outflags |= MMAN_nl;

}

static int

pre_ns(DECL_ARGS)

{

outflags &= ~MMAN_spc;

return 0;

}

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