version 1.15, 2018/08/10 20:40:45 |
version 1.25, 2023/04/28 19:11:04 |
|
|
/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2010,2014,2015,2017,2018 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010,2014,2015,2017-2020 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
|
#include "config.h" |
|
|
#include <sys/types.h> |
#include <sys/types.h> |
|
|
#include <assert.h> |
#include <assert.h> |
#include <stddef.h> |
#include <stdio.h> |
|
#include <string.h> |
|
|
#include "mandoc.h" |
#include "mandoc.h" |
#include "roff.h" |
#include "roff.h" |
Line 41 static void roff_term_pre_ti(ROFF_TERM_ARGS); |
|
Line 44 static void roff_term_pre_ti(ROFF_TERM_ARGS); |
|
static const roff_term_pre_fp roff_term_pre_acts[ROFF_MAX] = { |
static const roff_term_pre_fp roff_term_pre_acts[ROFF_MAX] = { |
roff_term_pre_br, /* br */ |
roff_term_pre_br, /* br */ |
roff_term_pre_ce, /* ce */ |
roff_term_pre_ce, /* ce */ |
|
roff_term_pre_br, /* fi */ |
roff_term_pre_ft, /* ft */ |
roff_term_pre_ft, /* ft */ |
roff_term_pre_ll, /* ll */ |
roff_term_pre_ll, /* ll */ |
roff_term_pre_mc, /* mc */ |
roff_term_pre_mc, /* mc */ |
|
roff_term_pre_br, /* nf */ |
roff_term_pre_po, /* po */ |
roff_term_pre_po, /* po */ |
roff_term_pre_ce, /* rj */ |
roff_term_pre_ce, /* rj */ |
roff_term_pre_sp, /* sp */ |
roff_term_pre_sp, /* sp */ |
Line 66 roff_term_pre_br(ROFF_TERM_ARGS) |
|
Line 71 roff_term_pre_br(ROFF_TERM_ARGS) |
|
if (p->flags & TERMP_BRIND) { |
if (p->flags & TERMP_BRIND) { |
p->tcol->offset = p->tcol->rmargin; |
p->tcol->offset = p->tcol->rmargin; |
p->tcol->rmargin = p->maxrmargin; |
p->tcol->rmargin = p->maxrmargin; |
|
p->trailspace = 0; |
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); |
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); |
|
p->flags |= TERMP_NOSPACE; |
} |
} |
} |
} |
|
|
|
|
roff_term_pre_ce(ROFF_TERM_ARGS) |
roff_term_pre_ce(ROFF_TERM_ARGS) |
{ |
{ |
const struct roff_node *nc1, *nc2; |
const struct roff_node *nc1, *nc2; |
size_t len, lm; |
|
|
|
roff_term_pre_br(p, n); |
roff_term_pre_br(p, n); |
lm = p->tcol->offset; |
p->flags |= n->tok == ROFF_ce ? TERMP_CENTER : TERMP_RIGHT; |
nc1 = n->child->next; |
nc1 = n->child->next; |
while (nc1 != NULL) { |
while (nc1 != NULL) { |
nc2 = nc1; |
nc2 = nc1; |
len = 0; |
|
do { |
do { |
if (nc2->type == ROFFT_TEXT) { |
|
if (len) |
|
len++; |
|
len += term_strlen(p, nc2->string); |
|
} |
|
nc2 = nc2->next; |
nc2 = nc2->next; |
} while (nc2 != NULL && (nc2->type != ROFFT_TEXT || |
} while (nc2 != NULL && (nc2->type != ROFFT_TEXT || |
(nc2->flags & NODE_LINE) == 0)); |
(nc2->flags & NODE_LINE) == 0)); |
p->tcol->offset = len >= p->tcol->rmargin ? 0 : |
|
lm + len >= p->tcol->rmargin ? p->tcol->rmargin - len : |
|
n->tok == ROFF_rj ? p->tcol->rmargin - len : |
|
(lm + p->tcol->rmargin - len) / 2; |
|
while (nc1 != nc2) { |
while (nc1 != nc2) { |
if (nc1->type == ROFFT_TEXT) |
if (nc1->type == ROFFT_TEXT) |
term_word(p, nc1->string); |
term_word(p, nc1->string); |
Line 105 roff_term_pre_ce(ROFF_TERM_ARGS) |
|
Line 101 roff_term_pre_ce(ROFF_TERM_ARGS) |
|
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
term_flushln(p); |
term_flushln(p); |
} |
} |
p->tcol->offset = lm; |
p->flags &= ~(TERMP_CENTER | TERMP_RIGHT); |
} |
} |
|
|
static void |
static void |
Line 113 roff_term_pre_ft(ROFF_TERM_ARGS) |
|
Line 109 roff_term_pre_ft(ROFF_TERM_ARGS) |
|
{ |
{ |
const char *cp; |
const char *cp; |
|
|
if (*(cp = n->child->string) == 'C') |
cp = n->child->string; |
cp++; |
switch (mandoc_font(cp, (int)strlen(cp))) { |
|
case ESCAPE_FONTBOLD: |
switch (*cp) { |
case ESCAPE_FONTCB: |
case '4': |
|
case '3': |
|
case 'B': |
|
term_fontrepl(p, TERMFONT_BOLD); |
term_fontrepl(p, TERMFONT_BOLD); |
break; |
break; |
case '2': |
case ESCAPE_FONTITALIC: |
case 'I': |
case ESCAPE_FONTCI: |
term_fontrepl(p, TERMFONT_UNDER); |
term_fontrepl(p, TERMFONT_UNDER); |
break; |
break; |
case 'P': |
case ESCAPE_FONTBI: |
|
term_fontrepl(p, TERMFONT_BI); |
|
break; |
|
case ESCAPE_FONTPREV: |
term_fontlast(p); |
term_fontlast(p); |
break; |
break; |
case '1': |
case ESCAPE_FONTROMAN: |
case 'C': |
case ESCAPE_FONTCR: |
case 'R': |
|
term_fontrepl(p, TERMFONT_NONE); |
term_fontrepl(p, TERMFONT_NONE); |
break; |
break; |
default: |
default: |
|
|
roff_term_pre_po(ROFF_TERM_ARGS) |
roff_term_pre_po(ROFF_TERM_ARGS) |
{ |
{ |
struct roffsu su; |
struct roffsu su; |
static int po, polast; |
static int po, pouse, polast; |
int ponew; |
int ponew; |
|
|
|
/* Revert the currently active page offset. */ |
|
p->tcol->offset -= pouse; |
|
|
|
/* Determine the requested page offset. */ |
if (n->child != NULL && |
if (n->child != NULL && |
a2roffsu(n->child->string, &su, SCALE_EM) != NULL) { |
a2roffsu(n->child->string, &su, SCALE_EM) != NULL) { |
ponew = term_hen(p, &su); |
ponew = term_hen(p, &su); |
Line 175 roff_term_pre_po(ROFF_TERM_ARGS) |
|
Line 174 roff_term_pre_po(ROFF_TERM_ARGS) |
|
ponew += po; |
ponew += po; |
} else |
} else |
ponew = polast; |
ponew = polast; |
|
|
|
/* Remember both the previous and the newly requested offset. */ |
polast = po; |
polast = po; |
po = ponew; |
po = ponew; |
|
|
ponew = po - polast + (int)p->tcol->offset; |
/* Truncate to the range [-offset, 60], remember, and apply it. */ |
p->tcol->offset = ponew > 0 ? ponew : 0; |
pouse = po >= 60 ? 60 : |
|
po < -(int)p->tcol->offset ? -(int)p->tcol->offset : po; |
|
p->tcol->offset += pouse; |
} |
} |
|
|
static void |
static void |
Line 217 roff_term_pre_ti(ROFF_TERM_ARGS) |
|
Line 220 roff_term_pre_ti(ROFF_TERM_ARGS) |
|
{ |
{ |
struct roffsu su; |
struct roffsu su; |
const char *cp; |
const char *cp; |
|
const size_t maxoff = 72; |
int len, sign; |
int len, sign; |
|
|
roff_term_pre_br(p, n); |
roff_term_pre_br(p, n); |
Line 237 roff_term_pre_ti(ROFF_TERM_ARGS) |
|
Line 241 roff_term_pre_ti(ROFF_TERM_ARGS) |
|
return; |
return; |
len = term_hen(p, &su); |
len = term_hen(p, &su); |
|
|
if (sign == 0) { |
switch (sign) { |
|
case 1: |
|
if (p->tcol->offset + len <= maxoff) |
|
p->ti = len; |
|
else if (p->tcol->offset < maxoff) |
|
p->ti = maxoff - p->tcol->offset; |
|
else |
|
p->ti = 0; |
|
break; |
|
case -1: |
|
if ((size_t)len < p->tcol->offset) |
|
p->ti = -len; |
|
else |
|
p->ti = -p->tcol->offset; |
|
break; |
|
default: |
|
if ((size_t)len > maxoff) |
|
len = maxoff; |
p->ti = len - p->tcol->offset; |
p->ti = len - p->tcol->offset; |
p->tcol->offset = len; |
break; |
} else if (sign == 1) { |
|
p->ti = len; |
|
p->tcol->offset += len; |
|
} else if ((size_t)len < p->tcol->offset) { |
|
p->ti = -len; |
|
p->tcol->offset -= len; |
|
} else { |
|
p->ti = -p->tcol->offset; |
|
p->tcol->offset = 0; |
|
} |
} |
|
p->tcol->offset += p->ti; |
} |
} |