version 1.222, 2014/04/20 16:46:05 |
version 1.238, 2014/12/19 17:12:04 |
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* 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. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
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#include "config.h" |
#include "config.h" |
#endif |
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#include <sys/types.h> |
#include <sys/types.h> |
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term_free(struct termp *p) |
term_free(struct termp *p) |
{ |
{ |
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if (p->buf) |
free(p->buf); |
free(p->buf); |
free(p->fontq); |
if (p->symtab) |
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mchars_free(p->symtab); |
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free(p); |
free(p); |
} |
} |
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Line 106 term_flushln(struct termp *p) |
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Line 101 term_flushln(struct termp *p) |
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size_t j; /* temporary loop index for p->buf */ |
size_t j; /* temporary loop index for p->buf */ |
size_t jhy; /* last hyph before overflow w/r/t j */ |
size_t jhy; /* last hyph before overflow w/r/t j */ |
size_t maxvis; /* output position of visible boundary */ |
size_t maxvis; /* output position of visible boundary */ |
size_t mmax; /* used in calculating bp */ |
size_t rmargin; /* the rightmost of the two margins */ |
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/* |
/* |
* First, establish the maximum columns of "visible" content. |
* First, establish the maximum columns of "visible" content. |
Line 119 term_flushln(struct termp *p) |
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Line 114 term_flushln(struct termp *p) |
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* is negative, it gets sign extended. Subtracting that |
* is negative, it gets sign extended. Subtracting that |
* very large size_t effectively adds a small number to dv. |
* very large size_t effectively adds a small number to dv. |
*/ |
*/ |
assert (p->rmargin >= p->offset); |
rmargin = p->rmargin > p->offset ? p->rmargin : p->offset; |
dv = p->rmargin - p->offset; |
dv = p->rmargin - p->offset; |
maxvis = (int)dv > p->overstep ? dv - (size_t)p->overstep : 0; |
maxvis = (int)dv > p->overstep ? dv - (size_t)p->overstep : 0; |
dv = p->maxrmargin - p->offset; |
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mmax = (int)dv > p->overstep ? dv - (size_t)p->overstep : 0; |
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bp = TERMP_NOBREAK & p->flags ? mmax : maxvis; |
if (p->flags & TERMP_NOBREAK) { |
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dv = p->maxrmargin > p->offset ? |
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p->maxrmargin - p->offset : 0; |
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bp = (int)dv > p->overstep ? |
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dv - (size_t)p->overstep : 0; |
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} else |
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bp = maxvis; |
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/* |
/* |
* Calculate the required amount of padding. |
* Calculate the required amount of padding. |
Line 194 term_flushln(struct termp *p) |
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Line 193 term_flushln(struct termp *p) |
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(*p->endline)(p); |
(*p->endline)(p); |
p->viscol = 0; |
p->viscol = 0; |
if (TERMP_BRIND & p->flags) { |
if (TERMP_BRIND & p->flags) { |
vbl = p->rmargin; |
vbl = rmargin; |
vend += p->rmargin - p->offset; |
vend += rmargin - p->offset; |
} else |
} else |
vbl = p->offset; |
vbl = p->offset; |
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Line 222 term_flushln(struct termp *p) |
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Line 221 term_flushln(struct termp *p) |
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break; |
break; |
if (' ' == p->buf[i]) { |
if (' ' == p->buf[i]) { |
j = i; |
j = i; |
while (' ' == p->buf[i]) |
while (i < p->col && ' ' == p->buf[i]) |
i++; |
i++; |
dv = (i - j) * (*p->width)(p, ' '); |
dv = (i - j) * (*p->width)(p, ' '); |
vbl += dv; |
vbl += dv; |
Line 260 term_flushln(struct termp *p) |
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Line 259 term_flushln(struct termp *p) |
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* If there was trailing white space, it was not printed; |
* If there was trailing white space, it was not printed; |
* so reset the cursor position accordingly. |
* so reset the cursor position accordingly. |
*/ |
*/ |
if (vis) |
if (vis > vbl) |
vis -= vbl; |
vis -= vbl; |
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else |
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vis = 0; |
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p->col = 0; |
p->col = 0; |
p->overstep = 0; |
p->overstep = 0; |
Line 329 term_vspace(struct termp *p) |
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Line 330 term_vspace(struct termp *p) |
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(*p->endline)(p); |
(*p->endline)(p); |
} |
} |
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/* Swap current and previous font; for \fP and .ft P */ |
void |
void |
term_fontlast(struct termp *p) |
term_fontlast(struct termp *p) |
{ |
{ |
Line 339 term_fontlast(struct termp *p) |
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Line 341 term_fontlast(struct termp *p) |
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p->fontq[p->fonti] = f; |
p->fontq[p->fonti] = f; |
} |
} |
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/* Set font, save current, discard previous; for \f, .ft, .B etc. */ |
void |
void |
term_fontrepl(struct termp *p, enum termfont f) |
term_fontrepl(struct termp *p, enum termfont f) |
{ |
{ |
Line 347 term_fontrepl(struct termp *p, enum termfont f) |
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Line 350 term_fontrepl(struct termp *p, enum termfont f) |
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p->fontq[p->fonti] = f; |
p->fontq[p->fonti] = f; |
} |
} |
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/* Set font, save previous. */ |
void |
void |
term_fontpush(struct termp *p, enum termfont f) |
term_fontpush(struct termp *p, enum termfont f) |
{ |
{ |
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assert(p->fonti + 1 < 10); |
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p->fontl = p->fontq[p->fonti]; |
p->fontl = p->fontq[p->fonti]; |
p->fontq[++p->fonti] = f; |
if (++p->fonti == p->fontsz) { |
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p->fontsz += 8; |
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p->fontq = mandoc_reallocarray(p->fontq, |
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p->fontsz, sizeof(enum termfont *)); |
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} |
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p->fontq[p->fonti] = f; |
} |
} |
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const void * |
/* Retrieve pointer to current font. */ |
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const enum termfont * |
term_fontq(struct termp *p) |
term_fontq(struct termp *p) |
{ |
{ |
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return(&p->fontq[p->fonti]); |
return(&p->fontq[p->fonti]); |
} |
} |
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enum termfont |
/* Flush to make the saved pointer current again. */ |
term_fonttop(struct termp *p) |
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{ |
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return(p->fontq[p->fonti]); |
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} |
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void |
void |
term_fontpopq(struct termp *p, const void *key) |
term_fontpopq(struct termp *p, const enum termfont *key) |
{ |
{ |
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while (p->fonti >= 0 && key < (void *)(p->fontq + p->fonti)) |
while (p->fonti >= 0 && key < p->fontq + p->fonti) |
p->fonti--; |
p->fonti--; |
assert(p->fonti >= 0); |
assert(p->fonti >= 0); |
} |
} |
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/* Pop one font off the stack. */ |
void |
void |
term_fontpop(struct termp *p) |
term_fontpop(struct termp *p) |
{ |
{ |
Line 397 term_word(struct termp *p, const char *word) |
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Line 401 term_word(struct termp *p, const char *word) |
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{ |
{ |
const char nbrsp[2] = { ASCII_NBRSP, 0 }; |
const char nbrsp[2] = { ASCII_NBRSP, 0 }; |
const char *seq, *cp; |
const char *seq, *cp; |
char c; |
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int sz, uc; |
int sz, uc; |
size_t ssz; |
size_t ssz; |
enum mandoc_esc esc; |
enum mandoc_esc esc; |
Line 418 term_word(struct termp *p, const char *word) |
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Line 421 term_word(struct termp *p, const char *word) |
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else |
else |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
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p->flags &= ~TERMP_SENTENCE; |
p->flags &= ~(TERMP_SENTENCE | TERMP_NONEWLINE); |
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while ('\0' != *word) { |
while ('\0' != *word) { |
if ('\\' != *word) { |
if ('\\' != *word) { |
Line 444 term_word(struct termp *p, const char *word) |
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Line 447 term_word(struct termp *p, const char *word) |
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word++; |
word++; |
esc = mandoc_escape(&word, &seq, &sz); |
esc = mandoc_escape(&word, &seq, &sz); |
if (ESCAPE_ERROR == esc) |
if (ESCAPE_ERROR == esc) |
break; |
continue; |
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if (TERMENC_ASCII != p->enc) |
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switch (esc) { |
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case ESCAPE_UNICODE: |
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uc = mchars_num2uc(seq + 1, sz - 1); |
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if ('\0' == uc) |
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break; |
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encode1(p, uc); |
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continue; |
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case ESCAPE_SPECIAL: |
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uc = mchars_spec2cp(p->symtab, seq, sz); |
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if (uc <= 0) |
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break; |
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encode1(p, uc); |
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continue; |
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default: |
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break; |
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} |
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switch (esc) { |
switch (esc) { |
case ESCAPE_UNICODE: |
case ESCAPE_UNICODE: |
encode1(p, '?'); |
uc = mchars_num2uc(seq + 1, sz - 1); |
break; |
break; |
case ESCAPE_NUMBERED: |
case ESCAPE_NUMBERED: |
c = mchars_num2char(seq, sz); |
uc = mchars_num2char(seq, sz); |
if ('\0' != c) |
if (uc < 0) |
encode(p, &c, 1); |
continue; |
break; |
break; |
case ESCAPE_SPECIAL: |
case ESCAPE_SPECIAL: |
cp = mchars_spec2str(p->symtab, seq, sz, &ssz); |
if (p->enc == TERMENC_ASCII) { |
if (NULL != cp) |
cp = mchars_spec2str(p->symtab, |
encode(p, cp, ssz); |
seq, sz, &ssz); |
else if (1 == ssz) |
if (cp != NULL) |
encode(p, seq, sz); |
encode(p, cp, ssz); |
break; |
} else { |
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uc = mchars_spec2cp(p->symtab, seq, sz); |
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if (uc > 0) |
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encode1(p, uc); |
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} |
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continue; |
case ESCAPE_FONTBOLD: |
case ESCAPE_FONTBOLD: |
term_fontrepl(p, TERMFONT_BOLD); |
term_fontrepl(p, TERMFONT_BOLD); |
break; |
continue; |
case ESCAPE_FONTITALIC: |
case ESCAPE_FONTITALIC: |
term_fontrepl(p, TERMFONT_UNDER); |
term_fontrepl(p, TERMFONT_UNDER); |
break; |
continue; |
case ESCAPE_FONTBI: |
case ESCAPE_FONTBI: |
term_fontrepl(p, TERMFONT_BI); |
term_fontrepl(p, TERMFONT_BI); |
break; |
continue; |
case ESCAPE_FONT: |
case ESCAPE_FONT: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ESCAPE_FONTROMAN: |
case ESCAPE_FONTROMAN: |
term_fontrepl(p, TERMFONT_NONE); |
term_fontrepl(p, TERMFONT_NONE); |
break; |
continue; |
case ESCAPE_FONTPREV: |
case ESCAPE_FONTPREV: |
term_fontlast(p); |
term_fontlast(p); |
break; |
continue; |
case ESCAPE_NOSPACE: |
case ESCAPE_NOSPACE: |
if (TERMP_SKIPCHAR & p->flags) |
if (TERMP_SKIPCHAR & p->flags) |
p->flags &= ~TERMP_SKIPCHAR; |
p->flags &= ~TERMP_SKIPCHAR; |
else if ('\0' == *word) |
else if ('\0' == *word) |
p->flags |= TERMP_NOSPACE; |
p->flags |= (TERMP_NOSPACE | TERMP_NONEWLINE); |
break; |
continue; |
case ESCAPE_SKIPCHAR: |
case ESCAPE_SKIPCHAR: |
p->flags |= TERMP_SKIPCHAR; |
p->flags |= TERMP_SKIPCHAR; |
break; |
continue; |
default: |
default: |
break; |
continue; |
} |
} |
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/* |
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* Common handling for Unicode and numbered |
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* character escape sequences. |
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*/ |
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if (p->enc == TERMENC_ASCII) { |
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cp = ascii_uc2str(uc); |
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encode(p, cp, strlen(cp)); |
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} else { |
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if ((uc < 0x20 && uc != 0x09) || |
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(uc > 0x7E && uc < 0xA0)) |
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uc = 0xFFFD; |
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encode1(p, uc); |
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} |
} |
} |
p->flags &= ~TERMP_NBRWORD; |
p->flags &= ~TERMP_NBRWORD; |
} |
} |
Line 522 adjbuf(struct termp *p, size_t sz) |
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Line 527 adjbuf(struct termp *p, size_t sz) |
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while (sz >= p->maxcols) |
while (sz >= p->maxcols) |
p->maxcols <<= 2; |
p->maxcols <<= 2; |
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p->buf = mandoc_realloc(p->buf, sizeof(int) * p->maxcols); |
p->buf = mandoc_reallocarray(p->buf, p->maxcols, sizeof(int)); |
} |
} |
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static void |
static void |
Line 553 encode1(struct termp *p, int c) |
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Line 558 encode1(struct termp *p, int c) |
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if (p->col + 6 >= p->maxcols) |
if (p->col + 6 >= p->maxcols) |
adjbuf(p, p->col + 6); |
adjbuf(p, p->col + 6); |
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f = term_fonttop(p); |
f = *term_fontq(p); |
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if (TERMFONT_UNDER == f || TERMFONT_BI == f) { |
if (TERMFONT_UNDER == f || TERMFONT_BI == f) { |
p->buf[p->col++] = '_'; |
p->buf[p->col++] = '_'; |
Line 585 encode(struct termp *p, const char *word, size_t sz) |
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Line 590 encode(struct termp *p, const char *word, size_t sz) |
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* character by character. |
* character by character. |
*/ |
*/ |
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if (TERMFONT_NONE == term_fonttop(p)) { |
if (*term_fontq(p) == TERMFONT_NONE) { |
if (p->col + sz >= p->maxcols) |
if (p->col + sz >= p->maxcols) |
adjbuf(p, p->col + sz); |
adjbuf(p, p->col + sz); |
for (i = 0; i < sz; i++) |
for (i = 0; i < sz; i++) |
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term_strlen(const struct termp *p, const char *cp) |
term_strlen(const struct termp *p, const char *cp) |
{ |
{ |
size_t sz, rsz, i; |
size_t sz, rsz, i; |
int ssz, skip, c; |
int ssz, skip, uc; |
const char *seq, *rhs; |
const char *seq, *rhs; |
enum mandoc_esc esc; |
enum mandoc_esc esc; |
static const char rej[] = { '\\', ASCII_NBRSP, ASCII_HYPH, |
static const char rej[] = { '\\', ASCII_NBRSP, ASCII_HYPH, |
Line 683 term_strlen(const struct termp *p, const char *cp) |
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Line 688 term_strlen(const struct termp *p, const char *cp) |
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cp++; |
cp++; |
esc = mandoc_escape(&cp, &seq, &ssz); |
esc = mandoc_escape(&cp, &seq, &ssz); |
if (ESCAPE_ERROR == esc) |
if (ESCAPE_ERROR == esc) |
return(sz); |
continue; |
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if (TERMENC_ASCII != p->enc) |
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switch (esc) { |
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case ESCAPE_UNICODE: |
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c = mchars_num2uc(seq + 1, |
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ssz - 1); |
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if ('\0' == c) |
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break; |
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sz += cond_width(p, c, &skip); |
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continue; |
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case ESCAPE_SPECIAL: |
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c = mchars_spec2cp(p->symtab, |
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seq, ssz); |
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if (c <= 0) |
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break; |
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sz += cond_width(p, c, &skip); |
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continue; |
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default: |
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break; |
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} |
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rhs = NULL; |
rhs = NULL; |
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switch (esc) { |
switch (esc) { |
case ESCAPE_UNICODE: |
case ESCAPE_UNICODE: |
sz += cond_width(p, '?', &skip); |
uc = mchars_num2uc(seq + 1, ssz - 1); |
break; |
break; |
case ESCAPE_NUMBERED: |
case ESCAPE_NUMBERED: |
c = mchars_num2char(seq, ssz); |
uc = mchars_num2char(seq, ssz); |
if ('\0' != c) |
if (uc < 0) |
sz += cond_width(p, c, &skip); |
continue; |
break; |
break; |
case ESCAPE_SPECIAL: |
case ESCAPE_SPECIAL: |
rhs = mchars_spec2str(p->symtab, |
if (p->enc == TERMENC_ASCII) { |
seq, ssz, &rsz); |
rhs = mchars_spec2str(p->symtab, |
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seq, ssz, &rsz); |
if (ssz != 1 || rhs) |
if (rhs != NULL) |
break; |
break; |
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} else { |
rhs = seq; |
uc = mchars_spec2cp(p->symtab, |
rsz = ssz; |
seq, ssz); |
break; |
if (uc > 0) |
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sz += cond_width(p, uc, &skip); |
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} |
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continue; |
case ESCAPE_SKIPCHAR: |
case ESCAPE_SKIPCHAR: |
skip = 1; |
skip = 1; |
break; |
continue; |
default: |
default: |
break; |
continue; |
} |
} |
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if (NULL == rhs) |
/* |
break; |
* Common handling for Unicode and numbered |
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* character escape sequences. |
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*/ |
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if (rhs == NULL) { |
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if (p->enc == TERMENC_ASCII) { |
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rhs = ascii_uc2str(uc); |
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rsz = strlen(rhs); |
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} else { |
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if ((uc < 0x20 && uc != 0x09) || |
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(uc > 0x7E && uc < 0xA0)) |
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uc = 0xFFFD; |
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sz += cond_width(p, uc, &skip); |
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continue; |
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} |
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} |
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if (skip) { |
if (skip) { |
skip = 0; |
skip = 0; |
break; |
break; |
} |
} |
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/* |
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* Common handling for all escape sequences |
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* printing more than one character. |
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*/ |
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for (i = 0; i < rsz; i++) |
for (i = 0; i < rsz; i++) |
sz += (*p->width)(p, *rhs++); |
sz += (*p->width)(p, *rhs++); |
break; |
break; |
Line 769 term_vspan(const struct termp *p, const struct roffsu |
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Line 777 term_vspan(const struct termp *p, const struct roffsu |
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switch (su->unit) { |
switch (su->unit) { |
case SCALE_CM: |
case SCALE_CM: |
r = su->scale * 2; |
r = su->scale * 2.0; |
break; |
break; |
case SCALE_IN: |
case SCALE_IN: |
r = su->scale * 6; |
r = su->scale * 6.0; |
break; |
break; |
case SCALE_PC: |
case SCALE_PC: |
r = su->scale; |
r = su->scale; |
break; |
break; |
case SCALE_PT: |
case SCALE_PT: |
r = su->scale / 8; |
r = su->scale / 8.0; |
break; |
break; |
case SCALE_MM: |
case SCALE_MM: |
r = su->scale / 1000; |
r = su->scale / 1000.0; |
break; |
break; |
case SCALE_VS: |
case SCALE_VS: |
r = su->scale; |
r = su->scale; |
break; |
break; |
default: |
default: |
r = su->scale - 1; |
r = su->scale - 1.0; |
break; |
break; |
} |
} |
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if (r < 0.0) |
if (r < 0.0) |
r = 0.0; |
r = 0.0; |
return((size_t)r); |
return((size_t)(r + 0.0005)); |
} |
} |
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size_t |
size_t |
Line 801 term_hspan(const struct termp *p, const struct roffsu |
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Line 809 term_hspan(const struct termp *p, const struct roffsu |
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{ |
{ |
double v; |
double v; |
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v = ((*p->hspan)(p, su)); |
v = (*p->hspan)(p, su); |
if (v < 0.0) |
if (v < 0.0) |
v = 0.0; |
v = 0.0; |
return((size_t)v); |
return((size_t)(v + 0.0005)); |
} |
} |