version 1.287, 2022/08/15 10:22:14 |
version 1.291, 2023/04/28 19:11:04 |
Line 157 term_flushln(struct termp *p) |
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Line 157 term_flushln(struct termp *p) |
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/* Finally, print the field content. */ |
/* Finally, print the field content. */ |
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term_field(p, vbl, nbr); |
term_field(p, vbl, nbr); |
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if (vbr < vtarget) |
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p->tcol->taboff += vbr; |
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else |
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p->tcol->taboff += vtarget; |
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p->tcol->taboff += (*p->width)(p, ' '); |
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/* |
/* |
* If there is no text left in the field, exit the loop. |
* If there is no text left in the field, exit the loop. |
Line 176 term_flushln(struct termp *p) |
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Line 181 term_flushln(struct termp *p) |
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vbr += (*p->width)(p, ' '); |
vbr += (*p->width)(p, ' '); |
continue; |
continue; |
case '\n': |
case '\n': |
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case ASCII_NBRZW: |
case ASCII_BREAK: |
case ASCII_BREAK: |
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case ASCII_TABREF: |
continue; |
continue; |
default: |
default: |
break; |
break; |
Line 187 term_flushln(struct termp *p) |
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Line 194 term_flushln(struct termp *p) |
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break; |
break; |
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/* |
/* |
* At the location of an automtic line break, input |
* At the location of an automatic line break, input |
* space characters are consumed by the line break. |
* space characters are consumed by the line break. |
*/ |
*/ |
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Line 207 term_flushln(struct termp *p) |
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Line 214 term_flushln(struct termp *p) |
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return; |
return; |
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endline(p); |
endline(p); |
p->viscol = 0; |
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/* |
/* |
* Normally, start the next line at the same indentation |
* Normally, start the next line at the same indentation |
Line 258 term_fill(struct termp *p, size_t *nbr, size_t *vbr, s |
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Line 264 term_fill(struct termp *p, size_t *nbr, size_t *vbr, s |
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size_t vn; /* Visual position of the next character. */ |
size_t vn; /* Visual position of the next character. */ |
int breakline; /* Break at the end of this word. */ |
int breakline; /* Break at the end of this word. */ |
int graph; /* Last character was non-blank. */ |
int graph; /* Last character was non-blank. */ |
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int taboff; /* Temporary offset for literal tabs. */ |
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*nbr = *vbr = vis = 0; |
*nbr = *vbr = vis = 0; |
breakline = graph = 0; |
breakline = graph = 0; |
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taboff = p->tcol->taboff; |
for (ic = p->tcol->col; ic < p->tcol->lastcol; ic++) { |
for (ic = p->tcol->col; ic < p->tcol->lastcol; ic++) { |
switch (p->tcol->buf[ic]) { |
switch (p->tcol->buf[ic]) { |
case '\b': /* Escape \o (overstrike) or backspace markup. */ |
case '\b': /* Escape \o (overstrike) or backspace markup. */ |
Line 306 term_fill(struct termp *p, size_t *nbr, size_t *vbr, s |
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Line 314 term_fill(struct termp *p, size_t *nbr, size_t *vbr, s |
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*vbr = vis; |
*vbr = vis; |
continue; |
continue; |
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case ASCII_TABREF: |
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taboff = -vis - (*p->width)(p, ' '); |
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continue; |
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default: |
default: |
switch (p->tcol->buf[ic]) { |
switch (p->tcol->buf[ic]) { |
case '\t': |
case '\t': |
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if (taboff < 0 && (size_t)-taboff > vis) |
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vis = 0; |
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else |
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vis += taboff; |
vis = term_tab_next(vis); |
vis = term_tab_next(vis); |
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vis -= taboff; |
break; |
break; |
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case ASCII_NBRZW: /* Non-breakable zero-width. */ |
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break; |
case ASCII_NBRSP: /* Non-breakable space. */ |
case ASCII_NBRSP: /* Non-breakable space. */ |
p->tcol->buf[ic] = ' '; |
p->tcol->buf[ic] = ' '; |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 348 term_field(struct termp *p, size_t vbl, size_t nbr) |
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Line 367 term_field(struct termp *p, size_t vbl, size_t nbr) |
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{ |
{ |
size_t ic; /* Character position in the input buffer. */ |
size_t ic; /* Character position in the input buffer. */ |
size_t vis; /* Visual position of the current character. */ |
size_t vis; /* Visual position of the current character. */ |
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size_t vt; /* Visual position including tab offset. */ |
size_t dv; /* Visual width of the current character. */ |
size_t dv; /* Visual width of the current character. */ |
size_t vn; /* Visual position of the next character. */ |
int taboff; /* Temporary offset for literal tabs. */ |
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vis = 0; |
vis = 0; |
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taboff = p->tcol->taboff; |
for (ic = p->tcol->col; ic < nbr; ic++) { |
for (ic = p->tcol->col; ic < nbr; ic++) { |
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/* |
/* |
Line 362 term_field(struct termp *p, size_t vbl, size_t nbr) |
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Line 383 term_field(struct termp *p, size_t vbl, size_t nbr) |
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switch (p->tcol->buf[ic]) { |
switch (p->tcol->buf[ic]) { |
case '\n': |
case '\n': |
case ASCII_BREAK: |
case ASCII_BREAK: |
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case ASCII_NBRZW: |
continue; |
continue; |
case '\t': |
case ASCII_TABREF: |
vn = term_tab_next(vis); |
taboff = -vis - (*p->width)(p, ' '); |
vbl += vn - vis; |
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vis = vn; |
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continue; |
continue; |
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case '\t': |
case ' ': |
case ' ': |
case ASCII_NBRSP: |
case ASCII_NBRSP: |
dv = (*p->width)(p, ' '); |
if (p->tcol->buf[ic] == '\t') { |
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if (taboff < 0 && (size_t)-taboff > vis) |
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vt = 0; |
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else |
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vt = vis + taboff; |
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dv = term_tab_next(vt) - vt; |
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} else |
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dv = (*p->width)(p, ' '); |
vbl += dv; |
vbl += dv; |
vis += dv; |
vis += dv; |
continue; |
continue; |
Line 432 endline(struct termp *p) |
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Line 460 endline(struct termp *p) |
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void |
void |
term_newln(struct termp *p) |
term_newln(struct termp *p) |
{ |
{ |
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p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
if (p->tcol->lastcol || p->viscol) |
if (p->tcol->lastcol || p->viscol) |
term_flushln(p); |
term_flushln(p); |
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p->tcol->taboff = 0; |
} |
} |
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/* |
/* |
Line 568 term_word(struct termp *p, const char *word) |
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Line 596 term_word(struct termp *p, const char *word) |
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break; |
break; |
case ESCAPE_NUMBERED: |
case ESCAPE_NUMBERED: |
uc = mchars_num2char(seq, sz); |
uc = mchars_num2char(seq, sz); |
if (uc < 0) |
if (uc >= 0) |
continue; |
break; |
break; |
bufferc(p, ASCII_NBRZW); |
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continue; |
case ESCAPE_SPECIAL: |
case ESCAPE_SPECIAL: |
if (p->enc == TERMENC_ASCII) { |
if (p->enc == TERMENC_ASCII) { |
cp = mchars_spec2str(seq, sz, &ssz); |
cp = mchars_spec2str(seq, sz, &ssz); |
if (cp != NULL) |
if (cp != NULL) |
encode(p, cp, ssz); |
encode(p, cp, ssz); |
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else |
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bufferc(p, ASCII_NBRZW); |
} else { |
} else { |
uc = mchars_spec2cp(seq, sz); |
uc = mchars_spec2cp(seq, sz); |
if (uc > 0) |
if (uc > 0) |
encode1(p, uc); |
encode1(p, uc); |
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else |
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bufferc(p, ASCII_NBRZW); |
} |
} |
continue; |
continue; |
case ESCAPE_UNDEF: |
case ESCAPE_UNDEF: |
Line 741 term_word(struct termp *p, const char *word) |
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Line 774 term_word(struct termp *p, const char *word) |
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if (p->col > p->tcol->lastcol) |
if (p->col > p->tcol->lastcol) |
p->col = p->tcol->lastcol; |
p->col = p->tcol->lastcol; |
continue; |
continue; |
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case ESCAPE_IGNORE: |
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bufferc(p, ASCII_NBRZW); |
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continue; |
default: |
default: |
continue; |
continue; |
} |
} |
Line 788 bufferc(struct termp *p, char c) |
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Line 824 bufferc(struct termp *p, char c) |
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p->tcol->lastcol = p->col; |
p->tcol->lastcol = p->col; |
} |
} |
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void |
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term_tab_ref(struct termp *p) |
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{ |
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if (p->tcol->lastcol && p->tcol->lastcol <= p->col && |
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(p->flags & TERMP_NOBUF) == 0) |
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bufferc(p, ASCII_TABREF); |
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} |
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/* |
/* |
* See encode(). |
* See encode(). |
* Do this for a single (probably unicode) value. |
* Do this for a single (probably unicode) value. |
Line 932 term_strlen(const struct termp *p, const char *cp) |
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Line 976 term_strlen(const struct termp *p, const char *cp) |
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int ssz, skip, uc; |
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_NBRZW, |
ASCII_BREAK, '\0' }; |
ASCII_BREAK, ASCII_HYPH, ASCII_TABREF, '\0' }; |
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/* |
/* |
* Account for escaped sequences within string length |
* Account for escaped sequences within string length |