mandoc/man_term.c - diff

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Diff for /mandoc/man_term.c between version 1.58 and 1.87

version 1.58, 2010/03/23 12:42:22

version 1.87, 2010/12/06 13:53:07

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 26

#include <stdlib.h>

#include <string.h>

#include "mandoc.h"

#include "out.h"

#include "man.h"

#include "term.h"

Line 69 struct termact {

Line 70 struct termact {

#define MAN_NOTEXT (1 << 0) /* Never has text children. */

};

static int a2width(const struct man_node *);

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

static int a2height(const struct man_node *);

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

static void print_man_head(struct termp *,

const struct man_meta *);

static void print_man_nodelist(DECL_ARGS);

static void print_man_node(DECL_ARGS);

static void print_man_foot(struct termp *,

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

const struct man_meta *);

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

static void print_bvspace(struct termp *,

const struct man_node *);

Line 93 static int pre_RS(DECL_ARGS);

Line 92 static int pre_RS(DECL_ARGS);

static int pre_SH(DECL_ARGS);

static int pre_SS(DECL_ARGS);

static int pre_TP(DECL_ARGS);

static int pre_br(DECL_ARGS);

static int pre_fi(DECL_ARGS);

static int pre_ign(DECL_ARGS);

static int pre_nf(DECL_ARGS);

static int pre_in(DECL_ARGS);

static int pre_literal(DECL_ARGS);

static int pre_sp(DECL_ARGS);

static void post_IP(DECL_ARGS);

Line 107 static void post_SS(DECL_ARGS);

Line 105 static void post_SS(DECL_ARGS);

static void post_TP(DECL_ARGS);

static const struct termact termacts[MAN_MAX] = {

{ pre_br, NULL, MAN_NOTEXT }, /* br */

{ pre_sp, NULL, MAN_NOTEXT }, /* br */

{ NULL, NULL, 0 }, /* TH */

{ pre_SH, post_SH, 0 }, /* SH */

{ pre_SS, post_SS, 0 }, /* SS */

Line 131 static const struct termact termacts[MAN_MAX] = {

Line 129 static const struct termact termacts[MAN_MAX] = {

{ NULL, NULL, MAN_NOTEXT }, /* na */

{ pre_I, NULL, 0 }, /* i */

{ pre_sp, NULL, MAN_NOTEXT }, /* sp */

{ pre_nf, NULL, 0 }, /* nf */

{ pre_literal, NULL, 0 }, /* nf */

{ pre_fi, NULL, 0 }, /* fi */

{ pre_literal, NULL, 0 }, /* fi */

{ NULL, NULL, 0 }, /* r */

{ NULL, NULL, 0 }, /* RE */

{ pre_RS, post_RS, 0 }, /* RS */

{ pre_ign, NULL, 0 }, /* DT */

{ pre_ign, NULL, 0 }, /* UC */

{ pre_ign, NULL, 0 }, /* PD */

{ pre_sp, NULL, MAN_NOTEXT }, /* Sp */

{ pre_ign, NULL, 0 }, /* AT */

{ pre_nf, NULL, 0 }, /* Vb */

{ pre_in, NULL, MAN_NOTEXT }, /* in */

{ pre_fi, NULL, 0 }, /* Ve */

};

Line 157 terminal_man(void *arg, const struct man *man)

Line 154 terminal_man(void *arg, const struct man *man)

p = (struct termp *)arg;

p->overstep = 0;

p->maxrmargin = 65;

p->maxrmargin = p->defrmargin;

p->tabwidth = term_len(p, 5);

if (NULL == p->symtab)

switch (p->enc) {

Line 172 terminal_man(void *arg, const struct man *man)

Line 170 terminal_man(void *arg, const struct man *man)

n = man_node(man);

m = man_meta(man);

print_man_head(p, m);

term_begin(p, print_man_head, print_man_foot, m);

p->flags |= TERMP_NOSPACE;

mt.fl = 0;

mt.lmargin = INDENT;

mt.lmargin = term_len(p, INDENT);

mt.offset = INDENT;

mt.offset = term_len(p, INDENT);

if (n->child)

print_man_nodelist(p, &mt, n->child, m);

print_man_foot(p, m);

term_end(p);

}

static int

static size_t

a2height(const struct man_node *n)

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

{

struct roffsu su;

assert(MAN_TEXT == n->type);

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

assert(n->string);

SCALE_VS_INIT(&su, term_strlen(p, cp));

if ( ! a2roffsu(n->string, &su, SCALE_VS))

SCALE_VS_INIT(&su, strlen(n->string));

return((int)term_vspan(&su));

return(term_vspan(p, &su));

}

static int

a2width(const struct man_node *n)

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

{

struct roffsu su;

assert(MAN_TEXT == n->type);

if ( ! a2roffsu(cp, &su, SCALE_BU))

assert(n->string);

if ( ! a2roffsu(n->string, &su, SCALE_BU))

return(-1);

return((int)term_hspan(&su));

return((int)term_hspan(p, &su));

}

Line 251 pre_I(DECL_ARGS)

Line 246 pre_I(DECL_ARGS)

/* ARGSUSED */

static int

pre_fi(DECL_ARGS)

pre_literal(DECL_ARGS)

{

p->rmargin = p->maxrmargin = 65;

mt->fl &= ~MANT_LITERAL;

return(1);

}

/* ARGSUSED */

static int

pre_nf(DECL_ARGS)

{

p->rmargin = p->maxrmargin = 78;

term_newln(p);

mt->fl |= MANT_LITERAL;

switch (n->tok) {

case (MAN_nf):

mt->fl |= MANT_LITERAL;

break;

default:

mt->fl &= ~MANT_LITERAL;

break;

}

return(MAN_Vb != n->tok);

return(1);

}

/* ARGSUSED */

static int

pre_RB(DECL_ARGS)

Line 359 pre_B(DECL_ARGS)

Line 350 pre_B(DECL_ARGS)

/* ARGSUSED */

static int

pre_sp(DECL_ARGS)

pre_in(DECL_ARGS)

{

int i, len;

int len, less;

size_t v;

const char *cp;

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

term_newln(p);

if (0 == len)

if (NULL == n->child) {

term_newln(p);

p->offset = mt->offset;

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

return(0);

term_vspace(p);

}

cp = n->child->string;

less = 0;

if ('-' == *cp)

less = -1;

else if ('+' == *cp)

less = 1;

else

cp--;

if ((len = a2width(p, ++cp)) < 0)

return(0);

v = (size_t)len;

if (less < 0)

p->offset -= p->offset > v ? v : p->offset;

else if (less > 0)

p->offset += v;

else

p->offset = v;

return(0);

}

/* ARGSUSED */

static int

pre_br(DECL_ARGS)

pre_sp(DECL_ARGS)

{

size_t i, len;

term_newln(p);

switch (n->tok) {

case (MAN_br):

len = 0;

break;

default:

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

break;

}

if (0 == len)

term_newln(p);

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

term_vspace(p);

return(0);

}

Line 410 pre_HP(DECL_ARGS)

Line 439 pre_HP(DECL_ARGS)

/* Calculate offset. */

if (NULL != (nn = n->parent->head->child))

if ((ival = a2width(nn)) >= 0)

if ((ival = a2width(p, nn->string)) >= 0)

len = (size_t)ival;

if (0 == len)

len = 1;

len = term_len(p, 1);

p->offset = mt->offset;

p->rmargin = mt->offset + len;

Line 455 pre_PP(DECL_ARGS)

Line 484 pre_PP(DECL_ARGS)

switch (n->type) {

case (MAN_BLOCK):

mt->lmargin = INDENT;

mt->lmargin = term_len(p, INDENT);

print_bvspace(p, n);

break;

default:

Line 463 pre_PP(DECL_ARGS)

Line 492 pre_PP(DECL_ARGS)

break;

}

return(1);

return(MAN_HEAD != n->type);

}

Line 482 pre_IP(DECL_ARGS)

Line 511 pre_IP(DECL_ARGS)

break;

case (MAN_HEAD):

p->flags |= TERMP_NOBREAK;

p->flags |= TERMP_TWOSPACE;

break;

case (MAN_BLOCK):

print_bvspace(p, n);

Line 500 pre_IP(DECL_ARGS)

Line 528 pre_IP(DECL_ARGS)

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

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

/* Do nothing. */ ;

if ((ival = a2width(nn)) >= 0)

if ((ival = a2width(p, nn->string)) >= 0)

len = (size_t)ival;

}

Line 508 pre_IP(DECL_ARGS)

Line 536 pre_IP(DECL_ARGS)

case (MAN_HEAD):

/* Handle zero-width lengths. */

if (0 == len)

len = 1;

len = term_len(p, 1);

p->offset = mt->offset;

p->rmargin = mt->offset + len;

Line 543 post_IP(DECL_ARGS)

Line 571 post_IP(DECL_ARGS)

case (MAN_HEAD):

term_flushln(p);

p->flags &= ~TERMP_NOBREAK;

p->flags &= ~TERMP_TWOSPACE;

p->rmargin = p->maxrmargin;

break;

case (MAN_BODY):

Line 589 pre_TP(DECL_ARGS)

Line 616 pre_TP(DECL_ARGS)

while (nn && MAN_TEXT != nn->type)

nn = nn->next;

if (nn && nn->next)

if ((ival = a2width(nn)) >= 0)

if ((ival = a2width(p, nn->string)) >= 0)

len = (size_t)ival;

}

Line 597 pre_TP(DECL_ARGS)

Line 624 pre_TP(DECL_ARGS)

case (MAN_HEAD):

/* Handle zero-length properly. */

if (0 == len)

len = 1;

len = term_len(p, 1);

p->offset = mt->offset;

p->rmargin = mt->offset + len;

Line 652 pre_SS(DECL_ARGS)

Line 679 pre_SS(DECL_ARGS)

switch (n->type) {

case (MAN_BLOCK):

mt->lmargin = INDENT;

mt->lmargin = term_len(p, INDENT);

mt->offset = INDENT;

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

/* If following a prior empty `SS', no vspace. */

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

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

Line 664 pre_SS(DECL_ARGS)

Line 691 pre_SS(DECL_ARGS)

break;

case (MAN_HEAD):

term_fontrepl(p, TERMFONT_BOLD);

p->offset = HALFINDENT;

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

break;

case (MAN_BODY):

p->offset = mt->offset;

Line 702 pre_SH(DECL_ARGS)

Line 729 pre_SH(DECL_ARGS)

switch (n->type) {

case (MAN_BLOCK):

mt->lmargin = INDENT;

mt->lmargin = term_len(p, INDENT);

mt->offset = INDENT;

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

/* If following a prior empty `SH', no vspace. */

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

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

break;

/* If the first macro, no vspae. */

if (NULL == n->prev)

break;

term_vspace(p);

break;

case (MAN_HEAD):

Line 761 pre_RS(DECL_ARGS)

Line 791 pre_RS(DECL_ARGS)

}

if (NULL == (nn = n->parent->head->child)) {

mt->offset = mt->lmargin + INDENT;

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

p->offset = mt->offset;

return(1);

}

if ((ival = a2width(nn)) < 0)

if ((ival = a2width(p, nn->string)) < 0)

return(1);

mt->offset = INDENT + (size_t)ival;

mt->offset = term_len(p, INDENT) + (size_t)ival;

p->offset = mt->offset;

return(1);

Line 783 post_RS(DECL_ARGS)

Line 813 post_RS(DECL_ARGS)

switch (n->type) {

case (MAN_BLOCK):

mt->offset = mt->lmargin = INDENT;

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

break;

case (MAN_HEAD):

break;

default:

term_newln(p);

p->offset = INDENT;

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

break;

}

Line 796 post_RS(DECL_ARGS)

Line 828 post_RS(DECL_ARGS)

static void

print_man_node(DECL_ARGS)

{

size_t rm, rmax;

int c;

c = 1;

Line 812 print_man_node(DECL_ARGS)

Line 845 print_man_node(DECL_ARGS)

/* FIXME: this means that macro lines are munged! */

if (MANT_LITERAL & mt->fl) {

rm = p->rmargin;

rmax = p->maxrmargin;

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

p->flags |= TERMP_NOSPACE;

term_flushln(p);

p->rmargin = rm;

p->maxrmargin = rmax;

}

break;

default:

Line 833 print_man_node(DECL_ARGS)

Line 871 print_man_node(DECL_ARGS)

if ( ! (MAN_NOTEXT & termacts[n->tok].flags))

term_fontrepl(p, TERMFONT_NONE);

}

if (MAN_EOS & n->flags)

p->flags |= TERMP_SENTENCE;

}

Line 848 print_man_nodelist(DECL_ARGS)

Line 889 print_man_nodelist(DECL_ARGS)

static void

print_man_foot(struct termp *p, const struct man_meta *meta)

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

{

char buf[DATESIZ];

const struct man_meta *meta;

meta = (const struct man_meta *)arg;

term_fontrepl(p, TERMFONT_NONE);

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

if (meta->rawdate)

strlcpy(buf, meta->rawdate, DATESIZ);

else

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

term_vspace(p);

p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;

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

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

p->offset = 0;

/* term_strlen() can return zero. */

if (p->rmargin == p->maxrmargin)

p->rmargin--;

if (meta->source)

term_word(p, meta->source);

if (meta->source)

Line 879 print_man_foot(struct termp *p, const struct man_meta

Line 932 print_man_foot(struct termp *p, const struct man_meta

static void

print_man_head(struct termp *p, const struct man_meta *m)

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

{

char buf[BUFSIZ], title[BUFSIZ];

size_t buflen, titlen;

const struct man_meta *m;

m = (const struct man_meta *)arg;

* Note that old groff would spit out some spaces before the

* header. We discontinue this strange behaviour, but at one

* point we did so here.

p->rmargin = p->maxrmargin;

p->offset = 0;

Line 891 print_man_head(struct termp *p, const struct man_meta

Line 953 print_man_head(struct termp *p, const struct man_meta

if (m->vol)

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

buflen = strlen(buf);

buflen = term_strlen(p, buf);

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

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

titlen = strlen(title);

titlen = term_strlen(p, title);

p->offset = 0;

p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?

(p->maxrmargin - strlen(buf) + 1) / 2 :

(p->maxrmargin -

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

p->maxrmargin - buflen;

p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;

Line 925 print_man_head(struct termp *p, const struct man_meta

Line 988 print_man_head(struct termp *p, const struct man_meta

p->rmargin = p->maxrmargin;

p->offset = 0;

p->flags &= ~TERMP_NOSPACE;

* Groff likes to have some leading spaces before content. Well

* that's fine by me.

term_vspace(p);

}

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