version 1.9, 2014/03/24 01:07:30 |
version 1.12, 2014/04/01 11:58:32 |
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#include <string.h> |
#include <string.h> |
#include <unistd.h> |
#include <unistd.h> |
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/* |
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* In what section can we find Perl manuals? |
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*/ |
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#define PERL_SECTION "3p" |
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struct args { |
struct args { |
const char *title; /* override "Dt" title */ |
const char *title; /* override "Dt" title */ |
const char *date; /* override "Dd" date */ |
const char *date; /* override "Dd" date */ |
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LIST__MAX |
LIST__MAX |
}; |
}; |
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enum sect { |
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SECT_NONE = 0, |
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SECT_NAME, /* NAME section */ |
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SECT_SYNOPSIS, /* SYNOPSIS section */ |
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}; |
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struct state { |
struct state { |
int parsing; /* after =cut of before command */ |
int parsing; /* after =cut of before command */ |
int paused; /* in =begin and before =end */ |
int paused; /* in =begin and before =end */ |
int haspar; /* in paragraph: do we need Pp? */ |
int haspar; /* in paragraph: do we need Pp? */ |
int isname; /* are we the NAME section? */ |
enum sect sect; /* which section are we in? */ |
const char *fname; /* file being parsed */ |
const char *fname; /* file being parsed */ |
#define LIST_STACKSZ 128 |
#define LIST_STACKSZ 128 |
enum list lstack[LIST_STACKSZ]; /* open lists */ |
enum list lstack[LIST_STACKSZ]; /* open lists */ |
Line 212 trylink(const char *buf, size_t *start, size_t end, si |
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Line 223 trylink(const char *buf, size_t *start, size_t end, si |
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* First, allow us to link to other Perl manuals. |
* First, allow us to link to other Perl manuals. |
*/ |
*/ |
if (hasdouble) |
if (hasdouble) |
printf("Xr %.*s 3p", |
printf("Xr %.*s " PERL_SECTION, |
(int)(nend - sv), &buf[sv]); |
(int)(nend - sv), &buf[sv]); |
else if (nend - sv > 3 && isalnum(buf[sv]) && |
else if (nend - sv > 3 && isalnum(buf[sv]) && |
')' == buf[nend - 1] && |
')' == buf[nend - 1] && |
Line 242 trylink(const char *buf, size_t *start, size_t end, si |
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Line 253 trylink(const char *buf, size_t *start, size_t end, si |
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* reentrant). |
* reentrant). |
*/ |
*/ |
static int |
static int |
formatcode(const char *buf, size_t *start, |
formatcode(struct state *st, const char *buf, |
size_t end, int reentrant, int nomacro) |
size_t *start, size_t end, int reentrant, int nomacro) |
{ |
{ |
enum fmt fmt; |
enum fmt fmt; |
size_t i, j, dsz; |
size_t i, j, dsz; |
Line 349 formatcode(const char *buf, size_t *start, |
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Line 360 formatcode(const char *buf, size_t *start, |
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printf("Em "); |
printf("Em "); |
break; |
break; |
case (FMT_BOLD): |
case (FMT_BOLD): |
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/* |
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* Doclifting: if we're a bold "-xx" and we're |
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* in the SYNOPSIS section, then it's likely |
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* that we're a flag. |
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* Be really strict: only do this when the dash |
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* is followed by alnums til the end marker, |
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* which mustn't be a custom. |
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*/ |
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if (SECT_SYNOPSIS == st->sect && |
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end - *start > 1 && |
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'-' == buf[*start] && |
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(isalnum((int)buf[*start + 1]) || |
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'?' == buf[*start + 1])) { |
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for (i = *start + 1; i < end; i++) |
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if ( ! isalnum((int)buf[i])) |
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break; |
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if (i < end && '>' == buf[i]) { |
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(*start)++; |
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printf("Fl "); |
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break; |
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} |
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} |
printf("Sy "); |
printf("Sy "); |
break; |
break; |
case (FMT_CODE): |
case (FMT_CODE): |
Line 397 formatcode(const char *buf, size_t *start, |
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Line 430 formatcode(const char *buf, size_t *start, |
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} |
} |
} |
} |
if (*start + 1 < end && '<' == buf[*start + 1]) { |
if (*start + 1 < end && '<' == buf[*start + 1]) { |
formatcode(buf, start, end, 1, nomacro); |
formatcode(st, buf, start, end, 1, nomacro); |
continue; |
continue; |
} |
} |
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Line 452 formatcode(const char *buf, size_t *start, |
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Line 485 formatcode(const char *buf, size_t *start, |
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* Calls formatcode() til the end of a paragraph. |
* Calls formatcode() til the end of a paragraph. |
*/ |
*/ |
static void |
static void |
formatcodeln(const char *buf, size_t *start, size_t end, int nomacro) |
formatcodeln(struct state *st, const char *buf, |
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size_t *start, size_t end, int nomacro) |
{ |
{ |
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last = ' '; |
last = ' '; |
while (*start < end) { |
while (*start < end) { |
if (*start + 1 < end && '<' == buf[*start + 1]) { |
if (*start + 1 < end && '<' == buf[*start + 1]) { |
formatcode(buf, start, end, 1, nomacro); |
formatcode(st, buf, start, end, 1, nomacro); |
continue; |
continue; |
} |
} |
/* |
/* |
Line 558 command(struct state *st, const char *buf, size_t star |
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Line 592 command(struct state *st, const char *buf, size_t star |
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* how pod2man handles it. |
* how pod2man handles it. |
*/ |
*/ |
printf(".Sh "); |
printf(".Sh "); |
st->isname = 0; |
st->sect = SECT_NONE; |
if (end - start == 4) |
if (end - start == 4) { |
if (0 == memcmp(&buf[start], "NAME", 4)) |
if (0 == memcmp(&buf[start], "NAME", 4)) |
st->isname = 1; |
st->sect = SECT_NAME; |
formatcodeln(buf, &start, end, 1); |
} else if (end - start == 8) { |
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if (0 == memcmp(&buf[start], "SYNOPSIS", 8)) |
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st->sect = SECT_SYNOPSIS; |
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} |
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formatcodeln(st, buf, &start, end, 1); |
putchar('\n'); |
putchar('\n'); |
st->haspar = 1; |
st->haspar = 1; |
break; |
break; |
case (CMD_HEAD2): |
case (CMD_HEAD2): |
printf(".Ss "); |
printf(".Ss "); |
formatcodeln(buf, &start, end, 1); |
formatcodeln(st, buf, &start, end, 1); |
putchar('\n'); |
putchar('\n'); |
st->haspar = 1; |
st->haspar = 1; |
break; |
break; |
case (CMD_HEAD3): |
case (CMD_HEAD3): |
puts(".Pp"); |
puts(".Pp"); |
printf(".Em "); |
printf(".Em "); |
formatcodeln(buf, &start, end, 0); |
formatcodeln(st, buf, &start, end, 0); |
putchar('\n'); |
putchar('\n'); |
puts(".Pp"); |
puts(".Pp"); |
st->haspar = 1; |
st->haspar = 1; |
Line 583 command(struct state *st, const char *buf, size_t star |
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Line 621 command(struct state *st, const char *buf, size_t star |
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case (CMD_HEAD4): |
case (CMD_HEAD4): |
puts(".Pp"); |
puts(".Pp"); |
printf(".No "); |
printf(".No "); |
formatcodeln(buf, &start, end, 0); |
formatcodeln(st, buf, &start, end, 0); |
putchar('\n'); |
putchar('\n'); |
puts(".Pp"); |
puts(".Pp"); |
st->haspar = 1; |
st->haspar = 1; |
Line 637 command(struct state *st, const char *buf, size_t star |
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Line 675 command(struct state *st, const char *buf, size_t star |
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switch (st->lstack[st->lpos - 1]) { |
switch (st->lstack[st->lpos - 1]) { |
case (LIST_TAG): |
case (LIST_TAG): |
printf(".It "); |
printf(".It "); |
formatcodeln(buf, &start, end, 0); |
formatcodeln(st, buf, &start, end, 0); |
putchar('\n'); |
putchar('\n'); |
break; |
break; |
case (LIST_ENUM): |
case (LIST_ENUM): |
Line 738 ordinary(struct state *st, const char *buf, size_t sta |
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Line 776 ordinary(struct state *st, const char *buf, size_t sta |
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* we're in "name - description" format. |
* we're in "name - description" format. |
* To wit, print out a "Nm" and "Nd" in that format. |
* To wit, print out a "Nm" and "Nd" in that format. |
*/ |
*/ |
if (st->isname) { |
if (SECT_NAME == st->sect) { |
for (i = end - 1; i > start; i--) |
for (i = end - 1; i > start; i--) |
if ('-' == buf[i]) |
if ('-' == buf[i]) |
break; |
break; |
Line 749 ordinary(struct state *st, const char *buf, size_t sta |
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Line 787 ordinary(struct state *st, const char *buf, size_t sta |
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if ('-' != buf[i]) |
if ('-' != buf[i]) |
break; |
break; |
printf(".Nm "); |
printf(".Nm "); |
formatcodeln(buf, &start, i + 1, 1); |
formatcodeln(st, buf, &start, i + 1, 1); |
putchar('\n'); |
putchar('\n'); |
start = j + 1; |
start = j + 1; |
printf(".Nd "); |
printf(".Nd "); |
formatcodeln(buf, &start, end, 1); |
formatcodeln(st, buf, &start, end, 1); |
putchar('\n'); |
putchar('\n'); |
return; |
return; |
} |
} |
Line 779 ordinary(struct state *st, const char *buf, size_t sta |
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Line 817 ordinary(struct state *st, const char *buf, size_t sta |
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printf("\\&"); |
printf("\\&"); |
else if ('\n' == last && '\'' == buf[start]) |
else if ('\n' == last && '\'' == buf[start]) |
printf("\\&"); |
printf("\\&"); |
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#if notyet |
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/* |
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* If we're in the SYNOPSIS, have square |
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* brackets indicate that we're opening and |
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* closing an optional context. |
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*/ |
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if (SECT_SYNOPSIS == st->sect) { |
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if ('[' == buf[start] || |
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']' == buf[start]) { |
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if (last != '\n') |
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putchar('\n'); |
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if ('[' == buf[start]) |
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printf(".Oo\n"); |
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else |
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printf(".Oc\n"); |
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start++; |
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continue; |
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} |
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} |
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#endif |
putchar(last = buf[start++]); |
putchar(last = buf[start++]); |
if ('\\' == last) |
if ('\\' == last) |
putchar('e'); |
putchar('e'); |
Line 794 ordinary(struct state *st, const char *buf, size_t sta |
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Line 852 ordinary(struct state *st, const char *buf, size_t sta |
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* Consume all whitespace so we don't |
* Consume all whitespace so we don't |
* accidentally start an implicit literal line. |
* accidentally start an implicit literal line. |
*/ |
*/ |
if (formatcode(buf, &start, end, 0, 0)) { |
if (formatcode(st, buf, &start, end, 0, 0)) { |
putchar(last = '\n'); |
putchar(last = '\n'); |
while (start < end && ' ' == buf[start]) |
while (start < end && ' ' == buf[start]) |
start++; |
start++; |
Line 823 ordinary(struct state *st, const char *buf, size_t sta |
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Line 881 ordinary(struct state *st, const char *buf, size_t sta |
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for ( ; start < end; start++) |
for ( ; start < end; start++) |
if (' ' != buf[start] && '\t' != buf[start]) |
if (' ' != buf[start] && '\t' != buf[start]) |
break; |
break; |
} else if (start < end) { |
} |
/* |
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* Default: print the character. |
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* Escape initial control characters. |
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*/ |
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if ('\n' == last && '.' == buf[start]) |
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printf("\\&"); |
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else if ('\n' == last && '\'' == buf[start]) |
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printf("\\&"); |
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putchar(last = buf[start++]); |
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if ('\\' == last) |
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putchar('e'); |
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} |
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} |
} |
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if (last != '\n') |
if (last != '\n') |
Line 899 dofile(const struct args *args, const char *fname, |
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Line 945 dofile(const struct args *args, const char *fname, |
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if (NULL != (cp = strrchr(title, '.'))) { |
if (NULL != (cp = strrchr(title, '.'))) { |
*cp++ = '\0'; |
*cp++ = '\0'; |
if (0 == strcmp(cp, "pm")) |
if (0 == strcmp(cp, "pm")) |
section = "3p"; |
section = PERL_SECTION; |
} |
} |
} |
} |
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