version 1.5, 2017/05/07 17:31:45 |
version 1.10, 2017/06/08 12:54:58 |
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/* $OpenBSD$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2010, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
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typedef void (*roff_term_pre_fp)(ROFF_TERM_ARGS); |
typedef void (*roff_term_pre_fp)(ROFF_TERM_ARGS); |
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static void roff_term_pre_br(ROFF_TERM_ARGS); |
static void roff_term_pre_br(ROFF_TERM_ARGS); |
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static void roff_term_pre_ce(ROFF_TERM_ARGS); |
static void roff_term_pre_ft(ROFF_TERM_ARGS); |
static void roff_term_pre_ft(ROFF_TERM_ARGS); |
static void roff_term_pre_ll(ROFF_TERM_ARGS); |
static void roff_term_pre_ll(ROFF_TERM_ARGS); |
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static void roff_term_pre_mc(ROFF_TERM_ARGS); |
static void roff_term_pre_sp(ROFF_TERM_ARGS); |
static void roff_term_pre_sp(ROFF_TERM_ARGS); |
static void roff_term_pre_ta(ROFF_TERM_ARGS); |
static void roff_term_pre_ta(ROFF_TERM_ARGS); |
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static void roff_term_pre_ti(ROFF_TERM_ARGS); |
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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 */ |
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roff_term_pre_ce, /* ce */ |
roff_term_pre_ft, /* ft */ |
roff_term_pre_ft, /* ft */ |
roff_term_pre_ll, /* ft */ |
roff_term_pre_ll, /* ll */ |
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roff_term_pre_mc, /* mc */ |
roff_term_pre_sp, /* sp */ |
roff_term_pre_sp, /* sp */ |
roff_term_pre_ta, /* ta */ |
roff_term_pre_ta, /* ta */ |
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roff_term_pre_ti, /* ti */ |
}; |
}; |
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Line 54 roff_term_pre_br(ROFF_TERM_ARGS) |
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Line 60 roff_term_pre_br(ROFF_TERM_ARGS) |
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{ |
{ |
term_newln(p); |
term_newln(p); |
if (p->flags & TERMP_BRIND) { |
if (p->flags & TERMP_BRIND) { |
p->offset = p->rmargin; |
p->tcol->offset = p->tcol->rmargin; |
p->rmargin = p->maxrmargin; |
p->tcol->rmargin = p->maxrmargin; |
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); |
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); |
} |
} |
} |
} |
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static void |
static void |
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roff_term_pre_ce(ROFF_TERM_ARGS) |
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{ |
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const struct roff_node *nch; |
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size_t len, lm; |
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roff_term_pre_br(p, n); |
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lm = p->tcol->offset; |
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n = n->child->next; |
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while (n != NULL) { |
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nch = n; |
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len = 0; |
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do { |
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if (n->type == ROFFT_TEXT) { |
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if (len) |
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len++; |
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len += term_strlen(p, nch->string); |
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} |
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nch = nch->next; |
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} while (nch != NULL && (n->type != ROFFT_TEXT || |
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(n->flags & NODE_LINE) == 0)); |
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p->tcol->offset = len >= p->tcol->rmargin ? 0 : |
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lm + len >= p->tcol->rmargin ? p->tcol->rmargin - len : |
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(lm + p->tcol->rmargin - len) / 2; |
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while (n != nch) { |
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if (n->type == ROFFT_TEXT) |
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term_word(p, n->string); |
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else |
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roff_term_pre(p, n); |
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n = n->next; |
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} |
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p->flags |= TERMP_NOSPACE; |
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term_flushln(p); |
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} |
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p->tcol->offset = lm; |
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} |
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static void |
roff_term_pre_ft(ROFF_TERM_ARGS) |
roff_term_pre_ft(ROFF_TERM_ARGS) |
{ |
{ |
switch (*n->child->string) { |
switch (*n->child->string) { |
Line 93 roff_term_pre_ll(ROFF_TERM_ARGS) |
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Line 136 roff_term_pre_ll(ROFF_TERM_ARGS) |
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} |
} |
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static void |
static void |
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roff_term_pre_mc(ROFF_TERM_ARGS) |
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{ |
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if (p->col) { |
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p->flags |= TERMP_NOBREAK; |
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term_flushln(p); |
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p->flags &= ~(TERMP_NOBREAK | TERMP_NOSPACE); |
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} |
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if (n->child != NULL) { |
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p->mc = n->child->string; |
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p->flags |= TERMP_NEWMC; |
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} else |
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p->flags |= TERMP_ENDMC; |
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} |
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static void |
roff_term_pre_sp(ROFF_TERM_ARGS) |
roff_term_pre_sp(ROFF_TERM_ARGS) |
{ |
{ |
struct roffsu su; |
struct roffsu su; |
int len; |
int len; |
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if (n->child != NULL) { |
if (n->child != NULL) { |
if (a2roffsu(n->child->string, &su, SCALE_VS) == 0) |
if (a2roffsu(n->child->string, &su, SCALE_VS) == NULL) |
su.scale = 1.0; |
su.scale = 1.0; |
len = term_vspan(p, &su); |
len = term_vspan(p, &su); |
} else |
} else |
Line 120 roff_term_pre_ta(ROFF_TERM_ARGS) |
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Line 178 roff_term_pre_ta(ROFF_TERM_ARGS) |
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term_tab_set(p, NULL); |
term_tab_set(p, NULL); |
for (n = n->child; n != NULL; n = n->next) |
for (n = n->child; n != NULL; n = n->next) |
term_tab_set(p, n->string); |
term_tab_set(p, n->string); |
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} |
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static void |
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roff_term_pre_ti(ROFF_TERM_ARGS) |
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{ |
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struct roffsu su; |
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const char *cp; |
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int len, sign; |
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roff_term_pre_br(p, n); |
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if (n->child == NULL) |
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return; |
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cp = n->child->string; |
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if (*cp == '+') { |
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sign = 1; |
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cp++; |
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} else if (*cp == '-') { |
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sign = -1; |
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cp++; |
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} else |
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sign = 0; |
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if (a2roffsu(cp, &su, SCALE_EM) == NULL) |
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return; |
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len = term_hspan(p, &su) / 24; |
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if (sign == 0) { |
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p->ti = len - p->tcol->offset; |
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p->tcol->offset = len; |
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} 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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} |
} |
} |