mandoc/man_term.c - diff

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Diff for /mandoc/man_term.c between version 1.117 and 1.128

version 1.117, 2011/09/19 22:36:16

version 1.128, 2012/05/27 17:39:28

Line 1

/* $Id$ */

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

Line 33

#include "term.h"

#include "main.h"

#define INDENT 7 /* fixed-width char full-indent */

#define HALFINDENT 3 /* fixed-width char half-indent */

#define MAXMARGINS 64 /* maximum number of indented scopes */

/* FIXME: have PD set the default vspace width. */

Line 70 static void print_man_foot(struct termp *, const vo

Line 68 static void print_man_foot(struct termp *, const vo

static void print_bvspace(struct termp *,

const struct man_node *);

static int pre_alternate(DECL_ARGS);

static int pre_B(DECL_ARGS);

static int pre_HP(DECL_ARGS);

static int pre_I(DECL_ARGS);

static int pre_IP(DECL_ARGS);

static int pre_OP(DECL_ARGS);

static int pre_PP(DECL_ARGS);

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_alternate(DECL_ARGS);

static int pre_ft(DECL_ARGS);

static int pre_ign(DECL_ARGS);

static int pre_in(DECL_ARGS);

static int pre_literal(DECL_ARGS);

static int pre_sp(DECL_ARGS);

static int pre_ft(DECL_ARGS);

static void post_IP(DECL_ARGS);

static void post_HP(DECL_ARGS);

Line 127 static const struct termact termacts[MAN_MAX] = {

Line 126 static const struct termact termacts[MAN_MAX] = {

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

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

{ pre_ft, NULL, MAN_NOTEXT }, /* ft */

{ pre_OP, NULL, 0 }, /* OP */

};

Line 141 terminal_man(void *arg, const struct man *man)

p = (struct termp *)arg;

if (0 == p->defindent)

p->defindent = 7;

p->overstep = 0;

p->maxrmargin = p->defrmargin;

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

Line 156 terminal_man(void *arg, const struct man *man)

Line 159 terminal_man(void *arg, const struct man *man)

memset(&mt, 0, sizeof(struct mtermp));

mt.lmargin[mt.lmargincur] = term_len(p, INDENT);

mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);

mt.offset = term_len(p, INDENT);

mt.offset = term_len(p, p->defindent);

if (n->child)

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

Line 251 pre_literal(DECL_ARGS)

Line 254 pre_literal(DECL_ARGS)

* indentation has to be set up explicitly.

if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) {

p->offset = p->rmargin + 1;

p->offset = p->rmargin;

p->rmargin = p->maxrmargin;

p->flags &= ~(TERMP_NOBREAK | TERMP_TWOSPACE);

p->flags |= TERMP_NOSPACE;

Line 323 pre_B(DECL_ARGS)

Line 326 pre_B(DECL_ARGS)

/* ARGSUSED */

static int

pre_OP(DECL_ARGS)

{

term_word(p, "[");

p->flags |= TERMP_NOSPACE;

if (NULL != (n = n->child)) {

term_fontrepl(p, TERMFONT_BOLD);

term_word(p, n->string);

}

if (NULL != n && NULL != n->next) {

term_fontrepl(p, TERMFONT_UNDER);

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

}

term_fontrepl(p, TERMFONT_NONE);

p->flags |= TERMP_NOSPACE;

term_word(p, "]");

return(0);

}

/* ARGSUSED */

static int

pre_ft(DECL_ARGS)

{

const char *cp;

Line 469 pre_HP(DECL_ARGS)

Line 495 pre_HP(DECL_ARGS)

len = (size_t)ival;

one = term_len(p, 1);

if (len > one)

if (len < one)

len -= one;

else

len = one;

p->offset = mt->offset;

Line 513 pre_PP(DECL_ARGS)

Line 537 pre_PP(DECL_ARGS)

switch (n->type) {

case (MAN_BLOCK):

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

mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);

print_bvspace(p, n);

break;

default:

Line 640 pre_TP(DECL_ARGS)

Line 664 pre_TP(DECL_ARGS)

/* Calculate offset. */

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

if (nn->parent->line == nn->line)

if (nn->string && nn->parent->line == nn->line)

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

len = (size_t)ival;

Line 708 pre_SS(DECL_ARGS)

Line 732 pre_SS(DECL_ARGS)

switch (n->type) {

case (MAN_BLOCK):

mt->fl &= ~MANT_LITERAL;

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

mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);

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

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

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

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

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

Line 720 pre_SS(DECL_ARGS)

Line 744 pre_SS(DECL_ARGS)

break;

case (MAN_HEAD):

term_fontrepl(p, TERMFONT_BOLD);

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

p->offset = term_len(p, p->defindent/2);

break;

case (MAN_BODY):

p->offset = mt->offset;

Line 759 pre_SH(DECL_ARGS)

Line 783 pre_SH(DECL_ARGS)

switch (n->type) {

case (MAN_BLOCK):

mt->fl &= ~MANT_LITERAL;

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

mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);

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

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

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

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

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

Line 819 pre_RS(DECL_ARGS)

Line 843 pre_RS(DECL_ARGS)

break;

}

sz = term_len(p, INDENT);

sz = term_len(p, p->defindent);

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

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

sz = (size_t)ival;

mt->offset += sz;

p->offset = mt->offset;

p->rmargin = p->maxrmargin;

p->offset = mt->offset < p->rmargin ? mt->offset : p->rmargin;

if (++mt->lmarginsz < MAXMARGINS)

mt->lmargincur = mt->lmarginsz;

Line 852 post_RS(DECL_ARGS)

Line 877 post_RS(DECL_ARGS)

break;

}

sz = term_len(p, INDENT);

sz = term_len(p, p->defindent);

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

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

Line 958 print_man_nodelist(DECL_ARGS)

Line 983 print_man_nodelist(DECL_ARGS)

static void

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

{

char title[BUFSIZ];

size_t datelen;

const struct man_meta *meta;

meta = (const struct man_meta *)arg;

assert(meta->title);

assert(meta->msec);

assert(meta->date);

term_fontrepl(p, TERMFONT_NONE);

term_vspace(p);

* Temporary, undocumented option to imitate mdoc(7) output.

* In the bottom right corner, use the source instead of

* the title.

if ( ! p->mdocstyle) {

term_vspace(p);

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

} else if (meta->source) {

strlcpy(title, meta->source, BUFSIZ);

} else {

title[0] = '\0';

}

datelen = term_strlen(p, meta->date);

/* Bottom left corner: manual source. */

p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;

p->rmargin = p->maxrmargin - term_strlen(p, meta->date);

p->offset = 0;

p->rmargin = (p->maxrmargin - datelen + term_len(p, 1)) / 2;

/* term_strlen() can return zero. */

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

p->rmargin--;

if (meta->source)

term_word(p, meta->source);

if (meta->source)

term_word(p, "");

term_flushln(p);

/* At the bottom in the middle: manual date. */

p->flags |= TERMP_NOSPACE;

p->offset = p->rmargin;

p->rmargin = p->maxrmargin;

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

p->flags &= ~TERMP_NOBREAK;

if (p->offset + datelen >= p->rmargin)

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

term_word(p, meta->date);

term_flushln(p);

/* Bottom right corner: manual title and section. */

p->flags &= ~TERMP_NOBREAK;

p->flags |= TERMP_NOSPACE;

p->offset = p->rmargin;

p->rmargin = p->maxrmargin;

term_word(p, title);

term_flushln(p);

}

Line 1000 print_man_head(struct termp *p, const void *arg)

Line 1054 print_man_head(struct termp *p, const void *arg)

const struct man_meta *m;

m = (const struct man_meta *)arg;

assert(m->title);

assert(m->msec);

* 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;

buf[0] = title[0] = '\0';

if (m->vol)

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

else

buf[0] = '\0';

buflen = term_strlen(p, buf);

/* Top left corner: manual title and section. */

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

titlen = term_strlen(p, title);

p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;

p->offset = 0;

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

(p->maxrmargin -

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

p->maxrmargin - buflen;

p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;

term_word(p, title);

term_flushln(p);

/* At the top in the middle: manual volume. */

p->flags |= TERMP_NOSPACE;

p->offset = p->rmargin;

p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?

Line 1037 print_man_head(struct termp *p, const void *arg)

Line 1088 print_man_head(struct termp *p, const void *arg)

term_word(p, buf);

term_flushln(p);

/* Top right corner: title and section, again. */

p->flags &= ~TERMP_NOBREAK;

if (p->rmargin + titlen <= p->maxrmargin) {

p->flags |= TERMP_NOSPACE;

Line 1046 print_man_head(struct termp *p, const void *arg)

Line 1099 print_man_head(struct termp *p, const void *arg)

term_flushln(p);

}

p->rmargin = p->maxrmargin;

p->offset = 0;

p->flags &= ~TERMP_NOSPACE;

p->offset = 0;

p->rmargin = p->maxrmargin;

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

* Groff prints three blank lines before the content.

* that's fine by me.

* Do the same, except in the temporary, undocumented

* mode imitating mdoc(7) output.

term_vspace(p);

if ( ! p->mdocstyle) {

term_vspace(p);

}

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