version 1.17, 2009/02/27 09:14:02 |
version 1.23, 2009/03/01 23:23:55 |
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#include <sys/utsname.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <err.h> |
#include <err.h> |
Line 110 main(int argc, char *argv[]) |
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Line 112 main(int argc, char *argv[]) |
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if (NULL == (mdoc = mmain_mdoc(p))) |
if (NULL == (mdoc = mmain_mdoc(p))) |
mmain_exit(p, 1); |
mmain_exit(p, 1); |
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termp.maxrmargin = 80; /* XXX */ |
termp.maxrmargin = 78; /* XXX */ |
termp.rmargin = termp.maxrmargin; |
termp.rmargin = termp.maxrmargin; |
termp.maxcols = 1024; |
termp.maxcols = 1024; |
termp.offset = termp.col = 0; |
termp.offset = termp.col = 0; |
Line 171 flushln(struct termp *p) |
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Line 173 flushln(struct termp *p) |
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for (i = 0; i < p->col; i++) { |
for (i = 0; i < p->col; i++) { |
/* |
/* |
* Count up visible word characters. Control sequences |
* Count up visible word characters. Control sequences |
* (starting with the CSI) aren't counted. |
* (starting with the CSI) aren't counted. A space |
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* generates a non-printing word, which is valid (the |
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* space is printed according to regular spacing rules). |
*/ |
*/ |
assert( ! xisspace(p->buf[i])); |
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/* LINTED */ |
/* LINTED */ |
for (j = i, vsz = 0; j < p->col; j++) { |
for (j = i, vsz = 0; j < p->col; j++) { |
Line 185 flushln(struct termp *p) |
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Line 188 flushln(struct termp *p) |
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} else |
} else |
vsz++; |
vsz++; |
} |
} |
assert(vsz > 0); |
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/* |
/* |
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* If we're breaking normally... |
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* |
* If a word is too long and we're within a line, put it |
* If a word is too long and we're within a line, put it |
* on the next line. Puke if we're being asked to write |
* on the next line. Puke if we're being asked to write |
* something that will exceed the right margin (i.e., |
* something that will exceed the right margin (i.e., |
* from a fresh line or when we're not allowed to break |
* from a fresh line). |
* the line with TERMP_NOBREAK). |
* |
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* If we're not breaking... |
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* |
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* Don't let the visible size exceed the full margin. |
*/ |
*/ |
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/* FIXME: allow selective right-margin breaking. */ |
if ( ! (TERMP_NOBREAK & p->flags)) { |
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if (vis && vis + vsz > maxvis) { |
if (vis && vis + vsz > maxvis) { |
putchar('\n'); |
if (p->flags & TERMP_NOBREAK) |
for (j = 0; j < p->offset; j++) |
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putchar(' '); |
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vis = 0; |
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} else if (vis + vsz > maxvis) |
errx(1, "word breaks right margin"); |
errx(1, "word breaks right margin"); |
putchar('\n'); |
} else if (vis + vsz > p->maxrmargin) |
for (j = 0; j < p->offset; j++) |
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putchar(' '); |
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vis = 0; |
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} else if (vis + vsz > maxvis) |
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errx(1, "word breaks right margin"); |
errx(1, "word breaks right margin"); |
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/* |
/* |
Line 224 flushln(struct termp *p) |
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Line 230 flushln(struct termp *p) |
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} |
} |
} |
} |
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if ((TERMP_NOBREAK & p->flags) && vis >= maxvis) { |
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putchar('\n'); |
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for (i = 0; i < p->rmargin; i++) |
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putchar(' '); |
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p->col = 0; |
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return; |
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} |
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/* |
/* |
* If we're not to right-marginalise it (newline), then instead |
* If we're not to right-marginalise it (newline), then instead |
* pad to the right margin and stay off. |
* pad to the right margin and stay off. |
*/ |
*/ |
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if (p->flags & TERMP_NOBREAK) { |
if (p->flags & TERMP_NOBREAK) { |
if ( ! (p->flags & TERMP_NORPAD)) |
for ( ; vis < maxvis; vis++) |
for ( ; vis < maxvis; vis++) |
putchar(' '); |
putchar(' '); |
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} else |
} else |
putchar('\n'); |
putchar('\n'); |
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Line 463 pescape(struct termp *p, const char *word, size_t *i, |
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Line 476 pescape(struct termp *p, const char *word, size_t *i, |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('.'): |
case ('.'): |
chara(p, word[*i]); |
chara(p, word[*i]); |
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break; |
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case ('e'): |
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chara(p, '\\'); |
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break; |
default: |
default: |
break; |
break; |
} |
} |
Line 482 pword(struct termp *p, const char *word, size_t len) |
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Line 499 pword(struct termp *p, const char *word, size_t len) |
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{ |
{ |
size_t i; |
size_t i; |
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/*assert(len > 0);*/ /* Can be, if literal. */ |
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/* |
/* |
* Handle pwords, partial words, which may be either a single |
* Handle pwords, partial words, which may be either a single |
* word or a phrase that cannot be broken down (such as a |
* word or a phrase that cannot be broken down (such as a |
Line 552 word(struct termp *p, const char *word) |
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Line 567 word(struct termp *p, const char *word) |
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if ( ! xisspace(word[i])) { |
if ( ! xisspace(word[i])) { |
j++; |
j++; |
continue; |
continue; |
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} |
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/* Escaped spaces don't delimit... */ |
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if (i > 0 && xisspace(word[i]) && '\\' == word[i - 1]) { |
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j++; |
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continue; |
} |
} |
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if (0 == j) |
if (0 == j) |
continue; |
continue; |
assert(i >= j); |
assert(i >= j); |
Line 674 footer(struct termp *p, const struct mdoc_meta *meta) |
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Line 696 footer(struct termp *p, const struct mdoc_meta *meta) |
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static void |
static void |
header(struct termp *p, const struct mdoc_meta *meta) |
header(struct termp *p, const struct mdoc_meta *meta) |
{ |
{ |
char *buf, *title, *bufp; |
char *buf, *title, *bufp, *vbuf; |
const char *pp; |
const char *pp; |
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struct utsname uts; |
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p->rmargin = p->maxrmargin; |
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p->offset = 0; |
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if (NULL == (buf = malloc(p->rmargin))) |
if (NULL == (buf = malloc(p->rmargin))) |
err(1, "malloc"); |
err(1, "malloc"); |
if (NULL == (title = malloc(p->rmargin))) |
if (NULL == (title = malloc(p->rmargin))) |
err(1, "malloc"); |
err(1, "malloc"); |
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if (NULL == (vbuf = malloc(p->rmargin))) |
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err(1, "malloc"); |
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if (NULL == (pp = mdoc_vol2a(meta->vol))) |
if (NULL == (pp = mdoc_vol2a(meta->vol))) { |
switch (meta->msec) { |
switch (meta->msec) { |
case (MSEC_1): |
case (MSEC_1): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 707 header(struct termp *p, const struct mdoc_meta *meta) |
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Line 735 header(struct termp *p, const struct mdoc_meta *meta) |
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pp = mdoc_vol2a(VOL_KM); |
pp = mdoc_vol2a(VOL_KM); |
break; |
break; |
default: |
default: |
/* FIXME: capitalise. */ |
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if (NULL == (pp = mdoc_msec2a(meta->msec))) |
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pp = mdoc_msec2a(MSEC_local); |
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break; |
break; |
} |
} |
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} |
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vbuf[0] = 0; |
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if (pp) { |
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if (-1 == uname(&uts)) |
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err(1, "uname"); |
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(void)strlcat(vbuf, uts.sysname, p->rmargin); |
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(void)strlcat(vbuf, " ", p->rmargin); |
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} else if (NULL == (pp = mdoc_msec2a(meta->msec))) |
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pp = mdoc_msec2a(MSEC_local); |
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(void)strlcat(vbuf, pp, p->rmargin); |
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/* |
/* |
* The header is strange. It has three components, which are |
* The header is strange. It has three components, which are |
* really two with the first duplicated. It goes like this: |
* really two with the first duplicated. It goes like this: |
Line 728 header(struct termp *p, const struct mdoc_meta *meta) |
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Line 765 header(struct termp *p, const struct mdoc_meta *meta) |
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if (mdoc_arch2a(meta->arch)) |
if (mdoc_arch2a(meta->arch)) |
(void)snprintf(buf, p->rmargin, "%s (%s)", |
(void)snprintf(buf, p->rmargin, "%s (%s)", |
pp, mdoc_arch2a(meta->arch)); |
vbuf, mdoc_arch2a(meta->arch)); |
else |
else |
(void)strlcpy(buf, pp, p->rmargin); |
(void)strlcpy(buf, vbuf, p->rmargin); |
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pp = mdoc_msec2a(meta->msec); |
pp = mdoc_msec2a(meta->msec); |
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Line 767 header(struct termp *p, const struct mdoc_meta *meta) |
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Line 804 header(struct termp *p, const struct mdoc_meta *meta) |
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p->flags &= ~TERMP_NOSPACE; |
p->flags &= ~TERMP_NOSPACE; |
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free(title); |
free(title); |
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free(vbuf); |
free(buf); |
free(buf); |
} |
} |