version 1.20, 2020/06/22 19:20:40 |
version 1.24, 2021/09/19 18:07:09 |
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/* $Id$ */ |
/* $OpenBSD$ */ |
/* |
/* |
* Copyright (c) 2010,2014,2015,2017-2019 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 |
Line 112 roff_term_pre_ft(ROFF_TERM_ARGS) |
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Line 112 roff_term_pre_ft(ROFF_TERM_ARGS) |
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cp = n->child->string; |
cp = n->child->string; |
switch (mandoc_font(cp, (int)strlen(cp))) { |
switch (mandoc_font(cp, (int)strlen(cp))) { |
case ESCAPE_FONTBOLD: |
case ESCAPE_FONTBOLD: |
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case ESCAPE_FONTCB: |
term_fontrepl(p, TERMFONT_BOLD); |
term_fontrepl(p, TERMFONT_BOLD); |
break; |
break; |
case ESCAPE_FONTITALIC: |
case ESCAPE_FONTITALIC: |
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case ESCAPE_FONTCI: |
term_fontrepl(p, TERMFONT_UNDER); |
term_fontrepl(p, TERMFONT_UNDER); |
break; |
break; |
case ESCAPE_FONTBI: |
case ESCAPE_FONTBI: |
Line 124 roff_term_pre_ft(ROFF_TERM_ARGS) |
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Line 126 roff_term_pre_ft(ROFF_TERM_ARGS) |
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term_fontlast(p); |
term_fontlast(p); |
break; |
break; |
case ESCAPE_FONTROMAN: |
case ESCAPE_FONTROMAN: |
case ESCAPE_FONTCW: |
case ESCAPE_FONTCR: |
term_fontrepl(p, TERMFONT_NONE); |
term_fontrepl(p, TERMFONT_NONE); |
break; |
break; |
default: |
default: |
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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; |
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/* Revert the currently active page offset. */ |
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p->tcol->offset -= pouse; |
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/* 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 168 roff_term_pre_po(ROFF_TERM_ARGS) |
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Line 174 roff_term_pre_po(ROFF_TERM_ARGS) |
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ponew += po; |
ponew += po; |
} else |
} else |
ponew = polast; |
ponew = polast; |
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/* Remeber both the previous and the newly requested offset. */ |
polast = po; |
polast = po; |
po = ponew; |
po = ponew; |
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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 : |
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po < -(int)p->tcol->offset ? -(int)p->tcol->offset : po; |
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p->tcol->offset += pouse; |
} |
} |
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static void |
static void |
Line 210 roff_term_pre_ti(ROFF_TERM_ARGS) |
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Line 220 roff_term_pre_ti(ROFF_TERM_ARGS) |
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{ |
{ |
struct roffsu su; |
struct roffsu su; |
const char *cp; |
const char *cp; |
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const size_t maxoff = 72; |
int len, sign; |
int len, sign; |
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roff_term_pre_br(p, n); |
roff_term_pre_br(p, n); |
Line 230 roff_term_pre_ti(ROFF_TERM_ARGS) |
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Line 241 roff_term_pre_ti(ROFF_TERM_ARGS) |
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return; |
return; |
len = term_hen(p, &su); |
len = term_hen(p, &su); |
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if (sign == 0) { |
switch (sign) { |
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case 1: |
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if (p->tcol->offset + len <= maxoff) |
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p->ti = len; |
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else if (p->tcol->offset < maxoff) |
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p->ti = maxoff - p->tcol->offset; |
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else |
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p->ti = 0; |
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break; |
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case -1: |
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if ((size_t)len < p->tcol->offset) |
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p->ti = -len; |
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else |
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p->ti = -p->tcol->offset; |
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break; |
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default: |
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if ((size_t)len > maxoff) |
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len = maxoff; |
p->ti = len - p->tcol->offset; |
p->ti = len - p->tcol->offset; |
p->tcol->offset = len; |
break; |
} else if (sign == 1) { |
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p->ti = len; |
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p->tcol->offset += len; |
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} else if ((size_t)len < p->tcol->offset) { |
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p->ti = -len; |
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p->tcol->offset -= len; |
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} else { |
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p->ti = -p->tcol->offset; |
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p->tcol->offset = 0; |
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} |
} |
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p->tcol->offset += p->ti; |
} |
} |