version 1.2, 2014/03/20 15:15:32 |
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 */ |
const char *section; /* override "Dt" section */ |
const char *section; /* override "Dt" section */ |
}; |
}; |
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enum list { |
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LIST_BULLET = 0, |
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LIST_ENUM, |
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LIST_TAG, |
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LIST__MAX |
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}; |
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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 */ |
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#define LIST_STACKSZ 128 |
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enum list lstack[LIST_STACKSZ]; /* open lists */ |
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size_t lpos; /* where in list stack */ |
}; |
}; |
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enum fmt { |
enum fmt { |
Line 98 static const char fmts[FMT__MAX] = { |
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Line 119 static const char fmts[FMT__MAX] = { |
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'Z' /* FMT_NULL */ |
'Z' /* FMT_NULL */ |
}; |
}; |
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static int last; |
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/* |
/* |
* Given buf[*start] is at the start of an escape name, read til the end |
* Given buf[*start] is at the start of an escape name, read til the end |
* of the escape ('>') then try to do something with it. |
* of the escape ('>') then try to do something with it. |
Line 131 formatescape(const char *buf, size_t *start, size_t en |
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Line 154 formatescape(const char *buf, size_t *start, size_t en |
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* TODO: right now, we only recognise the named escapes. |
* TODO: right now, we only recognise the named escapes. |
* Just let the rest of them go. |
* Just let the rest of them go. |
*/ |
*/ |
if (0 == strcmp(esc, "lt")) |
if (0 == strcmp(esc, "lt")) |
printf("\\(la"); |
printf("\\(la"); |
else if (0 == strcmp(esc, "gt")) |
else if (0 == strcmp(esc, "gt")) |
printf("\\(ra"); |
printf("\\(ra"); |
Line 139 formatescape(const char *buf, size_t *start, size_t en |
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Line 162 formatescape(const char *buf, size_t *start, size_t en |
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printf("\\(ba"); |
printf("\\(ba"); |
else if (0 == strcmp(esc, "sol")) |
else if (0 == strcmp(esc, "sol")) |
printf("\\(sl"); |
printf("\\(sl"); |
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else |
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return; |
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last = 'a'; |
} |
} |
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/* |
/* |
* Skip space characters. |
* Run some heuristics to intuit a link format. |
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* I recognise L<foo::bar> as a Perl manpage, printing it in section 3p; |
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* or a general UNIX foo(5) manpage. |
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* If I recognise one, I set "start" to be the end of the sequence so |
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* that the caller can safely just continue processing. |
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* Otherwise, I don't touch "start". |
*/ |
*/ |
static void |
static int |
skipspace(const char *buf, size_t *start, size_t end) |
trylink(const char *buf, size_t *start, size_t end, size_t dsz) |
{ |
{ |
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size_t sv, nstart, nend, i, j; |
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int hasdouble; |
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while (*start < end && ' ' == buf[*start]) |
/* |
(*start)++; |
* Scan to the start of the terminus. |
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* This function is more or less replicated in the formatcode() |
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* for null or index formatting codes. |
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*/ |
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hasdouble = 0; |
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for (sv = nstart = *start; nstart < end; nstart++) { |
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/* Do we have a double-colon? */ |
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if (':' == buf[nstart] && |
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nstart > sv && |
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':' == buf[nstart - 1]) |
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hasdouble = 1; |
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if ('>' != buf[nstart]) |
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continue; |
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else if (dsz == 1) |
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break; |
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assert(nstart > 0); |
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if (' ' != buf[nstart - 1]) |
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continue; |
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i = nstart; |
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for (j = 0; i < end && j < dsz; j++) |
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if ('>' != buf[i++]) |
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break; |
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if (dsz == j) |
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break; |
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} |
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/* We don't care about stubs. */ |
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if (nstart == end || nstart == *start) |
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return(0); |
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/* Set nend to the end of content. */ |
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nend = nstart; |
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if (dsz > 1) |
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nend--; |
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/* |
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* Provide for some common invocations of the link primitive. |
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* First, allow us to link to other Perl manuals. |
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*/ |
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if (hasdouble) |
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printf("Xr %.*s " PERL_SECTION, |
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(int)(nend - sv), &buf[sv]); |
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else if (nend - sv > 3 && isalnum(buf[sv]) && |
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')' == buf[nend - 1] && |
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isdigit((int)buf[nend - 2]) && |
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'(' == buf[nend - 3]) |
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printf("Xr %.*s %c", |
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(int)(nend - 3 - sv), |
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&buf[sv], buf[nend - 2]); |
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else |
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return(0); |
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*start = nstart; |
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return(1); |
} |
} |
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/* |
/* |
Line 159 skipspace(const char *buf, size_t *start, size_t end) |
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Line 246 skipspace(const char *buf, size_t *start, size_t end) |
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* the end of matched production. |
* the end of matched production. |
* If "reentrant", then we're being called after a macro has already |
* If "reentrant", then we're being called after a macro has already |
* been printed to the current line. |
* been printed to the current line. |
* "last" is set to the last read character: this is used to determine |
* If "nomacro", then we don't print any macros, just contained data |
* whether we should buffer with space or not. |
* (e.g., following "Sh" or "Nm"). |
* If "nomacro", then we don't print any macros, just contained data. |
* Return whether we've printed a macro or not--in other words, whether |
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* this should trigger a subsequent newline (this should be ignored when |
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* 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 last, int nomacro) |
size_t *start, size_t end, int reentrant, int nomacro) |
{ |
{ |
enum fmt fmt; |
enum fmt fmt; |
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size_t i, j, dsz; |
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assert(*start + 1 < end); |
assert(*start + 1 < end); |
assert('<' == buf[*start + 1]); |
assert('<' == buf[*start + 1]); |
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/* |
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* First, look up the format code. |
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* If it's not valid, then exit immediately. |
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*/ |
for (fmt = 0; fmt < FMT__MAX; fmt++) |
for (fmt = 0; fmt < FMT__MAX; fmt++) |
if (buf[*start] == fmts[fmt]) |
if (buf[*start] == fmts[fmt]) |
break; |
break; |
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/* Invalid macros are just regular text. */ |
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if (FMT__MAX == fmt) { |
if (FMT__MAX == fmt) { |
putchar(buf[*start]); |
putchar(last = buf[(*start)++]); |
(*start)++; |
if ('\\' == last) |
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putchar('e'); |
return(0); |
return(0); |
} |
} |
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*start += 2; |
/* |
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* Determine whether we're overriding our delimiter. |
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* According to POD, if we have more than one '<' followed by a |
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* space, then we need a space followed by matching '>' to close |
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* the expression. |
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* Otherwise we use the usual '<' and '>' matched pair. |
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*/ |
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i = *start + 1; |
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while (i < end && '<' == buf[i]) |
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i++; |
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assert(i > *start + 1); |
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dsz = i - (*start + 1); |
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if (dsz > 1 && (i >= end || ' ' != buf[i])) |
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dsz = 1; |
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/* Remember, if dsz>1, to jump the trailing space. */ |
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*start += dsz + 1 + (dsz > 1 ? 1 : 0); |
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/* |
/* |
* Escapes don't print macro sequences, so just output them like |
* Escapes and ignored codes (NULL and INDEX) don't print macro |
* normal text before processing for macros. |
* sequences, so just output them like normal text before |
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* processing for real macros. |
*/ |
*/ |
if (FMT_ESCAPE == fmt) { |
if (FMT_ESCAPE == fmt) { |
formatescape(buf, start, end); |
formatescape(buf, start, end); |
return(0); |
return(0); |
} else if (FMT_NULL == fmt || FMT_INDEX == fmt) { |
} else if (FMT_NULL == fmt || FMT_INDEX == fmt) { |
/* For indices and nulls, just consume. */ |
/* |
while (*start < end && '>' != buf[*start]) |
* Just consume til the end delimiter, accounting for |
(*start)++; |
* whether it's a custom one. |
if (*start < end) |
*/ |
(*start)++; |
for ( ; *start < end; (*start)++) { |
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if ('>' != buf[*start]) |
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continue; |
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else if (dsz == 1) |
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break; |
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assert(*start > 0); |
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if (' ' != buf[*start - 1]) |
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continue; |
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i = *start; |
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for (j = 0; i < end && j < dsz; j++) |
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if ('>' != buf[i++]) |
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break; |
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if (dsz != j) |
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continue; |
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(*start) += dsz; |
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break; |
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} |
return(0); |
return(0); |
} |
} |
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/* |
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* Check whether we're supposed to print macro stuff (this is |
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* suppressed in, e.g., "Nm" and "Sh" macros). |
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*/ |
if ( ! nomacro) { |
if ( ! nomacro) { |
/* |
/* |
* Print out the macro describing this format code. |
* Print out the macro describing this format code. |
Line 210 formatcode(const char *buf, size_t *start, |
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Line 340 formatcode(const char *buf, size_t *start, |
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* indicator. |
* indicator. |
* Otherwise, offset us with a space. |
* Otherwise, offset us with a space. |
*/ |
*/ |
if ( ! reentrant && last != '\n') |
if ( ! reentrant) { |
putchar('\n'); |
if (last != '\n') |
if ( ! reentrant) |
putchar('\n'); |
putchar('.'); |
putchar('.'); |
else |
} else |
putchar(' '); |
putchar(' '); |
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/* |
/* |
* If we don't have whitespace before us, then suppress |
* If we don't have whitespace before us (and none after |
* macro whitespace with Ns. |
* the opening delimiter), then suppress macro |
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* whitespace with Pf. |
*/ |
*/ |
if (' ' != last) |
if (' ' != last && '\n' != last && ' ' != buf[*start]) |
printf("Ns "); |
printf("Pf "); |
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switch (fmt) { |
switch (fmt) { |
case (FMT_ITALIC): |
case (FMT_ITALIC): |
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): |
printf("Qo Li "); |
printf("Qo Li "); |
break; |
break; |
case (FMT_LINK): |
case (FMT_LINK): |
printf("Lk "); |
if ( ! trylink(buf, start, end, dsz)) |
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printf("No "); |
break; |
break; |
case (FMT_FILE): |
case (FMT_FILE): |
printf("Pa "); |
printf("Pa "); |
break; |
break; |
case (FMT_NBSP): |
case (FMT_NBSP): |
/* TODO. */ |
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printf("No "); |
printf("No "); |
break; |
break; |
default: |
default: |
Line 249 formatcode(const char *buf, size_t *start, |
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Line 403 formatcode(const char *buf, size_t *start, |
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} |
} |
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/* |
/* |
* Read until we reach the end market ('>') or until we find a |
* Process until we reach the end marker (e.g., '>') or until we |
* nested format code. |
* find a nested format code. |
* Don't emit any newlines: since we're on a macro line, we |
* Don't emit any newlines: since we're on a macro line, we |
* don't want to break the line. |
* don't want to break the line. |
*/ |
*/ |
while (*start < end) { |
while (*start < end) { |
if ('>' == buf[*start]) { |
if ('>' == buf[*start] && 1 == dsz) { |
(*start)++; |
(*start)++; |
break; |
break; |
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} else if ('>' == buf[*start] && |
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' ' == buf[*start - 1]) { |
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/* |
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* Handle custom delimiters. |
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* These require a certain number of |
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* space-preceded carrots before we're really at |
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* the end. |
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*/ |
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i = *start; |
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for (j = 0; i < end && j < dsz; j++) |
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if ('>' != buf[i++]) |
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break; |
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if (dsz == j) { |
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*start += dsz; |
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break; |
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} |
} |
} |
if (*start + 1 < end && '<' == buf[*start + 1]) { |
if (*start + 1 < end && '<' == buf[*start + 1]) { |
formatcode(buf, start, end, 1, last, nomacro); |
formatcode(st, buf, start, end, 1, nomacro); |
continue; |
continue; |
} |
} |
if ('\n' != buf[*start]) { |
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/* |
/* |
* Make sure that any macro-like words (or |
* Make sure that any macro-like words (or |
* really any word starting with a capital |
* really any word starting with a capital |
* letter) is assumed to be a macro that must be |
* letter) is assumed to be a macro that must be |
* escaped. |
* escaped. |
* XXX: should this be isalpha()? |
* This matches "Xx " and "XxEOLN". |
*/ |
*/ |
if ((' ' == last || '\n' == last) && |
if ((' ' == last || '\n' == last) && |
isupper(buf[*start])) |
end - *start > 1 && |
printf("\\&"); |
isupper((int)buf[*start]) && |
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islower((int)buf[*start + 1]) && |
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(end - *start == 2 || |
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' ' == buf[*start + 2])) |
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printf("\\&"); |
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|
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/* Suppress newline. */ |
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if ('\n' == buf[*start]) |
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putchar(last = ' '); |
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else |
putchar(last = buf[*start]); |
putchar(last = buf[*start]); |
} |
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/* Protect against character escapes. */ |
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if ('\\' == last) |
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putchar('e'); |
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(*start)++; |
(*start)++; |
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|
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if (' ' == last) |
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while (*start < end && ' ' == buf[*start]) |
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(*start)++; |
} |
} |
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if ( ! nomacro && FMT_CODE == fmt) |
if ( ! nomacro && FMT_CODE == fmt) |
printf(" Qc "); |
printf(" Qc "); |
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if (reentrant) |
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return(1); |
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|
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/* |
/* |
* If we're not reentrant, we want to put ending punctuation on |
* We're now subsequent the format code. |
* the macro line so that it's properly handled by being |
* If there isn't a space (or newline) here, and we haven't just |
* smooshed against the terminal word. |
* printed a space, then suppress space. |
*/ |
*/ |
skipspace(buf, start, end); |
if ( ! nomacro && ' ' != last) |
if (',' != buf[*start] && '.' != buf[*start] && |
if (' ' != buf[*start] && '\n' != buf[*start]) |
'!' != buf[*start] && '?' != buf[*start] && |
printf(" Ns "); |
')' != buf[*start]) |
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return(1); |
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while (*start < end) { |
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if (',' != buf[*start] && |
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'.' != buf[*start] && |
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'!' != buf[*start] && |
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'?' != buf[*start] && |
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')' != buf[*start]) |
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break; |
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putchar(' '); |
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putchar(buf[*start]); |
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(*start)++; |
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} |
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skipspace(buf, start, end); |
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return(1); |
return(1); |
} |
} |
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Line 314 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) |
{ |
{ |
int last; |
|
|
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last = '\n'; |
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, last, nomacro); |
formatcode(st, buf, start, end, 1, nomacro); |
continue; |
continue; |
} |
} |
if ('\n' != buf[*start]) |
/* |
|
* Since we're already on a macro line, we want to make |
|
* sure that we don't inadvertently invoke a macro. |
|
* We need to do this carefully because section names |
|
* are used in troff and we don't want to escape |
|
* something that needn't be escaped. |
|
*/ |
|
if (' ' == last && end - *start > 1 && |
|
isupper((int)buf[*start]) && |
|
islower((int)buf[*start + 1]) && |
|
(end - *start == 2 || |
|
' ' == buf[*start + 2])) |
|
printf("\\&"); |
|
|
|
if ('\n' == buf[*start]) |
|
putchar(last = ' '); |
|
else |
putchar(last = buf[*start]); |
putchar(last = buf[*start]); |
|
|
|
/* Protect against character escapes. */ |
|
if ('\\' == last) |
|
putchar('e'); |
|
|
(*start)++; |
(*start)++; |
} |
} |
} |
} |
|
|
/* |
/* |
|
* Guess at what kind of list we are. |
|
* These are taken straight from the POD manual. |
|
* I don't know what people do in real life. |
|
*/ |
|
static enum list |
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listguess(const char *buf, size_t start, size_t end) |
|
{ |
|
size_t len = end - start; |
|
|
|
assert(end >= start); |
|
|
|
if (len == 1 && '*' == buf[start]) |
|
return(LIST_BULLET); |
|
if (len == 2 && '1' == buf[start] && '.' == buf[start + 1]) |
|
return(LIST_ENUM); |
|
else if (len == 1 && '1' == buf[start]) |
|
return(LIST_ENUM); |
|
else |
|
return(LIST_TAG); |
|
} |
|
|
|
/* |
* A command paragraph, as noted in the perlpod manual, just indicates |
* A command paragraph, as noted in the perlpod manual, just indicates |
* that we should do something, optionally with some text to print as |
* that we should do something, optionally with some text to print as |
* well. |
* well. |
Line 359 command(struct state *st, const char *buf, size_t star |
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Line 573 command(struct state *st, const char *buf, size_t star |
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return; |
return; |
|
|
start += csz; |
start += csz; |
skipspace(buf, &start, end); |
while (start < end && ' ' == buf[start]) |
|
start++; |
|
|
len = end - start; |
len = end - start; |
|
|
if (st->paused) { |
if (st->paused) { |
Line 376 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) { |
|
if (0 == memcmp(&buf[start], "SYNOPSIS", 8)) |
|
st->sect = SECT_SYNOPSIS; |
|
} |
|
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 401 command(struct state *st, const char *buf, size_t star |
|
Line 621 command(struct state *st, const char *buf, size_t star |
|
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; |
break; |
break; |
case (CMD_OVER): |
case (CMD_OVER): |
/* |
/* |
* TODO: we should be doing this after we process the |
* If we have an existing list that hasn't had an =item |
* first =item to see whether we'll do an -enum, |
* yet, then make sure that we open it now. |
* -bullet, or something else. |
* We use the default list type, but that can't be |
|
* helped (we haven't seen any items yet). |
*/ |
*/ |
puts(".Bl -tag -width Ds"); |
if (st->lpos > 0) |
|
if (LIST__MAX == st->lstack[st->lpos - 1]) { |
|
st->lstack[st->lpos - 1] = LIST_TAG; |
|
puts(".Bl -tag -width Ds"); |
|
} |
|
st->lpos++; |
|
assert(st->lpos < LIST_STACKSZ); |
|
st->lstack[st->lpos - 1] = LIST__MAX; |
break; |
break; |
case (CMD_ITEM): |
case (CMD_ITEM): |
printf(".It "); |
if (0 == st->lpos) { |
formatcodeln(buf, &start, end, 0); |
/* |
putchar('\n'); |
* Bad markup. |
|
* Try to compensate. |
|
*/ |
|
st->lstack[st->lpos] = LIST__MAX; |
|
st->lpos++; |
|
} |
|
assert(st->lpos > 0); |
|
/* |
|
* If we're the first =item, guess at what our content |
|
* will be: "*" is a bullet list, "1." is a numbered |
|
* list, and everything is tagged. |
|
*/ |
|
if (LIST__MAX == st->lstack[st->lpos - 1]) { |
|
st->lstack[st->lpos - 1] = |
|
listguess(buf, start, end); |
|
switch (st->lstack[st->lpos - 1]) { |
|
case (LIST_BULLET): |
|
puts(".Bl -bullet"); |
|
break; |
|
case (LIST_ENUM): |
|
puts(".Bl -enum"); |
|
break; |
|
default: |
|
puts(".Bl -tag -width Ds"); |
|
break; |
|
} |
|
} |
|
switch (st->lstack[st->lpos - 1]) { |
|
case (LIST_TAG): |
|
printf(".It "); |
|
formatcodeln(st, buf, &start, end, 0); |
|
putchar('\n'); |
|
break; |
|
case (LIST_ENUM): |
|
/* FALLTHROUGH */ |
|
case (LIST_BULLET): |
|
/* |
|
* Abandon the remainder of the paragraph |
|
* because we're going to be a bulletted or |
|
* numbered list. |
|
*/ |
|
puts(".It"); |
|
break; |
|
default: |
|
abort(); |
|
} |
st->haspar = 1; |
st->haspar = 1; |
break; |
break; |
case (CMD_BACK): |
case (CMD_BACK): |
puts(".El"); |
/* Make sure we don't back over the stack. */ |
|
if (st->lpos > 0) { |
|
st->lpos--; |
|
puts(".El"); |
|
} |
break; |
break; |
case (CMD_BEGIN): |
case (CMD_BEGIN): |
/* |
/* |
Line 455 command(struct state *st, const char *buf, size_t star |
|
Line 732 command(struct state *st, const char *buf, size_t star |
|
static void |
static void |
verbatim(struct state *st, const char *buf, size_t start, size_t end) |
verbatim(struct state *st, const char *buf, size_t start, size_t end) |
{ |
{ |
|
int last; |
|
|
if ( ! st->parsing || st->paused) |
if ( ! st->parsing || st->paused) |
return; |
return; |
|
|
puts(".Bd -literal"); |
puts(".Bd -literal"); |
printf("%.*s\n", (int)(end - start), &buf[start]); |
for (last = ' '; start < end; start++) { |
|
/* |
|
* Handle accidental macros (newline starting with |
|
* control character) and escapes. |
|
*/ |
|
if ('\n' == last) |
|
if ('.' == buf[start] || '\'' == buf[start]) |
|
printf("\\&"); |
|
putchar(last = buf[start]); |
|
if ('\\' == buf[start]) |
|
printf("e"); |
|
} |
|
putchar('\n'); |
puts(".Ed"); |
puts(".Ed"); |
} |
} |
|
|
Line 475 verbatim(struct state *st, const char *buf, size_t sta |
|
Line 765 verbatim(struct state *st, const char *buf, size_t sta |
|
static void |
static void |
ordinary(struct state *st, const char *buf, size_t start, size_t end) |
ordinary(struct state *st, const char *buf, size_t start, size_t end) |
{ |
{ |
int last; |
|
size_t i, j; |
size_t i, j; |
|
|
if ( ! st->parsing || st->paused) |
if ( ! st->parsing || st->paused) |
Line 487 ordinary(struct state *st, const char *buf, size_t sta |
|
Line 776 ordinary(struct state *st, const char *buf, size_t sta |
|
* 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 497 ordinary(struct state *st, const char *buf, size_t sta |
|
Line 786 ordinary(struct state *st, const char *buf, size_t sta |
|
for ( ; i > start; i--) |
for ( ; i > start; i--) |
if ('-' != buf[i]) |
if ('-' != buf[i]) |
break; |
break; |
printf(".Nm %.*s\n", |
printf(".Nm "); |
(int)((i + 1) - start), &buf[start]); |
formatcodeln(st, buf, &start, i + 1, 1); |
printf(".Nd %.*s\n", |
putchar('\n'); |
(int)(end - (j + 1)), &buf[j + 1]); |
start = j + 1; |
|
printf(".Nd "); |
|
formatcodeln(st, buf, &start, end, 1); |
|
putchar('\n'); |
return; |
return; |
} |
} |
} |
} |
Line 525 ordinary(struct state *st, const char *buf, size_t sta |
|
Line 817 ordinary(struct state *st, const char *buf, size_t sta |
|
printf("\\&"); |
printf("\\&"); |
else if ('\n' == last && '\'' == buf[start]) |
else if ('\n' == last && '\'' == buf[start]) |
printf("\\&"); |
printf("\\&"); |
|
#if notyet |
|
/* |
|
* If we're in the SYNOPSIS, have square |
|
* brackets indicate that we're opening and |
|
* closing an optional context. |
|
*/ |
|
if (SECT_SYNOPSIS == st->sect) { |
|
if ('[' == buf[start] || |
|
']' == buf[start]) { |
|
if (last != '\n') |
|
putchar('\n'); |
|
if ('[' == buf[start]) |
|
printf(".Oo\n"); |
|
else |
|
printf(".Oc\n"); |
|
start++; |
|
continue; |
|
} |
|
} |
|
#endif |
putchar(last = buf[start++]); |
putchar(last = buf[start++]); |
|
if ('\\' == last) |
|
putchar('e'); |
} |
} |
|
|
if (start < end - 1 && '<' == buf[start + 1]) { |
if (start < end - 1 && '<' == buf[start + 1]) { |
Line 535 ordinary(struct state *st, const char *buf, size_t sta |
|
Line 849 ordinary(struct state *st, const char *buf, size_t sta |
|
* what, so print a newline now. |
* what, so print a newline now. |
* Then print the (possibly nested) macros and |
* Then print the (possibly nested) macros and |
* following that, a newline. |
* following that, a newline. |
|
* Consume all whitespace so we don't |
|
* accidentally start an implicit literal line. |
*/ |
*/ |
if (formatcode(buf, &start, end, 0, last, 0)) |
if (formatcode(st, buf, &start, end, 0, 0)) { |
putchar(last = '\n'); |
putchar(last = '\n'); |
|
while (start < end && ' ' == buf[start]) |
|
start++; |
|
} |
} else if (start < end && '\n' == buf[start]) { |
} else if (start < end && '\n' == buf[start]) { |
/* |
/* |
* Print the newline only if we haven't already |
* Print the newline only if we haven't already |
Line 562 ordinary(struct state *st, const char *buf, size_t sta |
|
Line 881 ordinary(struct state *st, const char *buf, size_t sta |
|
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) { |
} |
/* |
|
* Default: print the character. |
|
* Escape initial control characters. |
|
*/ |
|
if ('\n' == last && '.' == buf[start]) |
|
printf("\\&"); |
|
else if ('\n' == last && '\'' == buf[start]) |
|
printf("\\&"); |
|
putchar(last = buf[start++]); |
|
} |
|
} |
} |
|
|
if (last != '\n') |
if (last != '\n') |
Line 636 dofile(const struct args *args, const char *fname, |
|
Line 945 dofile(const struct args *args, const char *fname, |
|
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; |
} |
} |
} |
} |
|
|