version 1.32, 2014/07/18 05:09:32 |
version 1.38, 2015/02/13 12:40:54 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2014, 2015 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#include <string.h> |
#include <string.h> |
#include <unistd.h> |
#include <unistd.h> |
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#include "dict.h" |
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/* |
/* |
* In what section can we find Perl module manuals? |
* In what section can we find Perl module manuals? |
* Sometimes (Mac OS X) it's 3pm, sometimes (OpenBSD, etc.) 3p. |
* Sometimes (Mac OS X) it's 3pm, sometimes (OpenBSD, etc.) 3p. |
Line 169 outbuf_addstr(struct state *st, const char *str) |
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Line 172 outbuf_addstr(struct state *st, const char *str) |
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if (st->outbuflen + slen >= st->outbufsz) |
if (st->outbuflen + slen >= st->outbufsz) |
outbuf_grow(st, slen); |
outbuf_grow(st, slen); |
memcpy(st->outbuf + st->outbuflen, str, slen+1); |
memcpy(st->outbuf + st->outbuflen, str, slen+1); |
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st->outbuflen += slen; |
last = str[slen - 1]; |
last = str[slen - 1]; |
st->wantws = 0; |
st->wantws = 0; |
} |
} |
Line 242 formatescape(struct state *st, const char *buf, size_t |
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Line 246 formatescape(struct state *st, const char *buf, size_t |
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outbuf_addstr(st, "\\(la"); |
outbuf_addstr(st, "\\(la"); |
else if (0 == strcmp(esc, "gt")) |
else if (0 == strcmp(esc, "gt")) |
outbuf_addstr(st, "\\(ra"); |
outbuf_addstr(st, "\\(ra"); |
else if (0 == strcmp(esc, "vb")) |
else if (0 == strcmp(esc, "verbar")) |
outbuf_addstr(st, "\\(ba"); |
outbuf_addstr(st, "\\(ba"); |
else if (0 == strcmp(esc, "sol")) |
else if (0 == strcmp(esc, "sol")) |
outbuf_addstr(st, "\\(sl"); |
outbuf_addstr(st, "\\(sl"); |
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* We usually exit in OUST_MAC mode, except when |
* We usually exit in OUST_MAC mode, except when |
* entering without OUST_MAC and the code is invalid. |
* entering without OUST_MAC and the code is invalid. |
*/ |
*/ |
static void |
static int |
formatcode(struct state *st, const char *buf, size_t *start, |
formatcode(struct state *st, const char *buf, size_t *start, |
size_t end, int nomacro, int pos) |
size_t end, int nomacro, int pos) |
{ |
{ |
Line 512 formatcode(struct state *st, const char *buf, size_t * |
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Line 516 formatcode(struct state *st, const char *buf, size_t * |
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*/ |
*/ |
if (FMT_ESCAPE == fmt) { |
if (FMT_ESCAPE == fmt) { |
formatescape(st, buf, start, end); |
formatescape(st, buf, start, end); |
return; |
return(0); |
} else if (FMT_NULL == fmt || FMT_INDEX == fmt) { |
} else if (FMT_NULL == fmt || FMT_INDEX == fmt) { |
/* |
/* |
* Just consume til the end delimiter, accounting for |
* Just consume til the end delimiter, accounting for |
Line 542 formatcode(struct state *st, const char *buf, size_t * |
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Line 546 formatcode(struct state *st, const char *buf, size_t * |
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if (isspace(last)) |
if (isspace(last)) |
while (*start < end && isspace((int)buf[*start])) |
while (*start < end && isspace((int)buf[*start])) |
(*start)++; |
(*start)++; |
return; |
return(0); |
} |
} |
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/* |
/* |
Line 611 formatcode(struct state *st, const char *buf, size_t * |
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Line 615 formatcode(struct state *st, const char *buf, size_t * |
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} |
} |
if (0 == strncmp(buf + *start, "NULL", 4) && |
if (0 == strncmp(buf + *start, "NULL", 4) && |
('=' == buf[*start + 4] || |
('=' == buf[*start + 4] || |
'>' == buf[*start + 4])) |
'>' == buf[*start + 4])) { |
printf("Dv "); |
printf("Dv "); |
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break; |
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} |
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i = 0; |
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while (isalnum((unsigned char)buf[*start + i]) || |
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'_' == buf[*start + i]) |
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i++; |
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if (i && MDOC_Fa == dict_get(buf + *start, i)) |
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printf("Fa "); |
else |
else |
printf("Sy "); |
printf("Sy "); |
break; |
break; |
Line 665 formatcode(struct state *st, const char *buf, size_t * |
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Line 677 formatcode(struct state *st, const char *buf, size_t * |
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break; |
break; |
} |
} |
} |
} |
if (*start + 1 < end && '<' == buf[*start + 1]) { |
if (*start + 1 < end && '<' == buf[*start + 1] && |
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'A' <= buf[*start] && 'Z' >= buf[*start]) { |
formatcode(st, buf, start, end, nomacro, 1); |
formatcode(st, buf, start, end, nomacro, 1); |
continue; |
continue; |
} |
} |
Line 680 formatcode(struct state *st, const char *buf, size_t * |
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Line 693 formatcode(struct state *st, const char *buf, size_t * |
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continue; |
continue; |
} |
} |
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if (OUST_MAC == st->oust) { |
if (OUST_MAC == st->oust && FMT__MAX != fmt) { |
if ( ! st->wantws) { |
if ( ! st->wantws) { |
printf(" Ns "); |
printf(" Ns "); |
st->wantws = 1; |
st->wantws = 1; |
Line 708 formatcode(struct state *st, const char *buf, size_t * |
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Line 721 formatcode(struct state *st, const char *buf, size_t * |
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putchar('e'); |
putchar('e'); |
} |
} |
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if (FMT__MAX == fmt) |
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return(0); |
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if ( ! nomacro && FMT_CODE == fmt) |
if ( ! nomacro && FMT_CODE == fmt) |
printf(" Qc "); |
printf(" Qc "); |
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if (FMT__MAX != fmt) |
st->wantws = ' ' == last; |
st->wantws = ' ' == last; |
return(1); |
} |
} |
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/* |
/* |
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formatcodeln(struct state *st, const char *linemac, |
formatcodeln(struct state *st, const char *linemac, |
const char *buf, size_t *start, size_t end, int nomacro) |
const char *buf, size_t *start, size_t end, int nomacro) |
{ |
{ |
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int gotmacro, wantws; |
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assert(OUST_NL == st->oust); |
assert(OUST_NL == st->oust); |
assert(st->wantws); |
assert(st->wantws); |
printf(".%s ", linemac); |
printf(".%s ", linemac); |
st->oust = OUST_MAC; |
st->oust = OUST_MAC; |
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last = ' '; |
gotmacro = 0; |
while (*start < end) { |
while (*start < end) { |
if (*start + 1 < end && '<' == buf[*start + 1]) { |
wantws = ' ' == buf[*start] || '\n' == buf[*start]; |
formatcode(st, buf, start, end, nomacro, 1); |
if (wantws) { |
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last = ' '; |
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do { |
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(*start)++; |
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} while (*start < end && ' ' == buf[*start]); |
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} |
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if (*start + 1 < end && '<' == buf[*start + 1] && |
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'A' <= buf[*start] && 'Z' >= buf[*start]) { |
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st->wantws |= wantws; |
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gotmacro = formatcode(st, buf, |
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start, end, nomacro, 1); |
continue; |
continue; |
} |
} |
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if (OUST_MAC == st->oust) { |
if (gotmacro) { |
if ( ! st->wantws && |
if (*start < end || st->outbuflen) { |
' ' != buf[*start] && |
if (st->wantws || |
'\n' != buf[*start]) |
(wantws && !st->outbuflen)) |
printf(" Ns "); |
printf(" No "); |
st->wantws = 1; |
else |
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printf(" Ns "); |
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} |
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gotmacro = 0; |
} |
} |
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outbuf_flush(st); |
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st->wantws = wantws; |
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if (*start >= end) |
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break; |
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if (st->wantws) { |
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putchar(' '); |
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st->wantws = 0; |
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} |
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/* |
/* |
* Since we're already on a macro line, we want to make |
* Since we're already on a macro line, we want to make |
* sure that we don't inadvertently invoke a macro. |
* sure that we don't inadvertently invoke a macro. |
Line 754 formatcodeln(struct state *st, const char *linemac, |
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Line 795 formatcodeln(struct state *st, const char *linemac, |
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* something that needn't be escaped. |
* something that needn't be escaped. |
*/ |
*/ |
if (' ' == last && end - *start > 1 && |
if (' ' == last && end - *start > 1 && |
isupper((int)buf[*start]) && |
isupper((unsigned char)buf[*start]) && |
islower((int)buf[*start + 1]) && |
islower((unsigned char)buf[*start + 1]) && |
(end - *start == 2 || |
(end - *start == 2 || ' ' == buf[*start + 2])) |
' ' == buf[*start + 2])) |
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printf("\\&"); |
printf("\\&"); |
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if ('\n' == buf[*start]) |
putchar(last = buf[*start]); |
putchar(last = ' '); |
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else |
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putchar(last = buf[*start]); |
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/* Protect against character escapes. */ |
/* Protect against character escapes. */ |
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if ('\\' == last) |
if ('\\' == last) |
putchar('e'); |
putchar('e'); |
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Line 981 command(struct state *st, const char *buf, size_t star |
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Line 1019 command(struct state *st, const char *buf, size_t star |
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* always stays in OUST_NL/wantws mode. |
* always stays in OUST_NL/wantws mode. |
*/ |
*/ |
static void |
static void |
verbatim(struct state *st, const char *buf, size_t start, size_t end) |
verbatim(struct state *st, char *buf, size_t start, size_t end) |
{ |
{ |
size_t i; |
size_t i, ift, ifo, ifa, ifc, inl; |
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char *cp, *cp2; |
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int nopen; |
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if ( ! st->parsing || st->paused) |
if ( ! st->parsing || st->paused || start == end) |
return; |
return; |
again: |
again: |
/* |
/* |
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*/ |
*/ |
if (SECT_SYNOPSIS == st->sect) { |
if (SECT_SYNOPSIS == st->sect) { |
i = start; |
i = start; |
for (i = start; i < end && ' ' == buf[i]; i++) |
while (i < end && buf[i] == ' ') |
/* Spin. */ ; |
i++; |
if (i == end) |
if (i == end) |
return; |
return; |
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/* We're an include block! */ |
/* We're an include block! */ |
if (end - i > 10 && |
if (end - i > 10 && |
0 == memcmp(&buf[i], "#include <", 10)) { |
0 == memcmp(&buf[i], "#include <", 10)) { |
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goto again; |
goto again; |
return; |
return; |
} |
} |
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/* Parse function declaration. */ |
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ifo = ifa = ifc = 0; |
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inl = end; |
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nopen = 0; |
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for (ift = i; i < end; i++) { |
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if (ifc) { |
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if (buf[i] != '\n') |
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continue; |
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inl = i; |
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break; |
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} |
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switch (buf[i]) { |
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case ' ': |
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if ( ! ifa) |
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ifo = i; |
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break; |
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case '(': |
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if (ifo) { |
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nopen++; |
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if ( ! ifa) |
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ifa = i; |
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} else |
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i = end; |
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break; |
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case ')': |
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switch (nopen) { |
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case 0: |
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i = end; |
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break; |
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case 1: |
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ifc = i; |
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break; |
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default: |
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nopen--; |
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break; |
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} |
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break; |
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default: |
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break; |
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} |
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} |
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/* Encode function declaration. */ |
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if (ifc) { |
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for (i = ifa; i < ifc; i++) |
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if (buf[i] == '\n') |
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buf[i] = ' '; |
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buf[ifo++] = '\0'; |
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printf(".Ft %s", buf + ift); |
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if (buf[ifo] == '*') { |
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fputs(" *", stdout); |
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ifo++; |
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} |
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putchar('\n'); |
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buf[ifa++] = '\0'; |
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printf(".Fo %s\n", buf + ifo); |
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dict_put(buf + ifo, MDOC_Fo); |
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buf[ifc++] = '\0'; |
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for (;;) { |
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cp = strchr(buf + ifa, ','); |
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if (cp != NULL) { |
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cp2 = cp; |
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*cp++ = '\0'; |
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} else |
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cp2 = strchr(buf + ifa, '\0'); |
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while (isalnum((unsigned char)cp2[-1]) || |
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'_' == cp2[-1]) |
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cp2--; |
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if ('\0' != *cp2) |
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dict_put(cp2, MDOC_Fa); |
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printf(".Fa \"%s\"\n", buf + ifa); |
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if (cp == NULL) |
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break; |
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while (*cp == ' ') |
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cp++; |
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ifa = cp - buf; |
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} |
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puts(".Fc"); |
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if (buf[ifc] == ';') |
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ifc++; |
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if (ifc < inl) { |
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buf[inl] = '\0'; |
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puts(buf + ifc); |
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} |
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start = inl + 1; |
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if (start < end) |
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goto again; |
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return; |
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} |
} |
} |
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if (start == end) |
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return; |
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puts(".Bd -literal"); |
puts(".Bd -literal"); |
for (last = ' '; start < end; start++) { |
for (last = ' '; start < end; start++) { |
/* |
/* |
Line 1195 ordinary(struct state *st, const char *buf, size_t sta |
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Line 1324 ordinary(struct state *st, const char *buf, size_t sta |
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* Escape initial control characters. |
* Escape initial control characters. |
*/ |
*/ |
while (start < end) { |
while (start < end) { |
if (start < end - 1 && '<' == buf[start + 1]) |
if (start < end - 1 && '<' == buf[start + 1] && |
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'A' <= buf[start] && 'Z' >= buf[start]) |
break; |
break; |
else if ('\n' == buf[start]) |
else if ('\n' == buf[start]) |
break; |
break; |
Line 1223 ordinary(struct state *st, const char *buf, size_t sta |
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Line 1353 ordinary(struct state *st, const char *buf, size_t sta |
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*/ |
*/ |
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last = buf[start++]; |
last = buf[start++]; |
if (' ' == last) { |
if (' ' != last) { |
outbuf_flush(st); |
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putchar(' '); |
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st->wantws = 1; |
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} else |
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outbuf_addchar(st); |
outbuf_addchar(st); |
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continue; |
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} |
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if ( ! strcmp(st->outbuf + st->outbuflen - 2, "()") && |
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dict_get(st->outbuf, st->outbuflen - 2) == |
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MDOC_Fo) { |
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st->outbuflen -= 2; |
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st->outbuf[st->outbuflen] = '\0'; |
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mdoc_newln(st); |
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fputs(".Fn ", stdout); |
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outbuf_flush(st); |
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mdoc_newln(st); |
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continue; |
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} |
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outbuf_flush(st); |
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putchar(' '); |
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st->wantws = 1; |
} |
} |
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if (start < end - 1 && '<' == buf[start + 1]) { |
if (start < end - 1 && '<' == buf[start + 1] && |
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'A' <= buf[start] && 'Z' >= buf[start]) { |
formatcode(st, buf, &start, end, 0, seq); |
formatcode(st, buf, &start, end, 0, seq); |
if (OUST_MAC == st->oust) { |
if (OUST_MAC == st->oust) { |
/* |
/* |
Line 1269 ordinary(struct state *st, const char *buf, size_t sta |
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Line 1414 ordinary(struct state *st, const char *buf, size_t sta |
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*/ |
*/ |
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if ( ! st->wantws && start < end && |
if ( ! st->wantws && start < end && |
'<' != buf[start + 1]) { |
('<' != buf[start + 1] || |
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'A' > buf[start] || |
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'Z' < buf[start])) { |
printf(" Ns "); |
printf(" Ns "); |
st->wantws = 1; |
st->wantws = 1; |
} |
} |
Line 1304 ordinary(struct state *st, const char *buf, size_t sta |
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Line 1451 ordinary(struct state *st, const char *buf, size_t sta |
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* (default: starts with "="). |
* (default: starts with "="). |
*/ |
*/ |
static void |
static void |
dopar(struct state *st, const char *buf, size_t start, size_t end) |
dopar(struct state *st, char *buf, size_t start, size_t end) |
{ |
{ |
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assert(OUST_NL == st->oust); |
assert(OUST_NL == st->oust); |
Line 1326 dopar(struct state *st, const char *buf, size_t start, |
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Line 1473 dopar(struct state *st, const char *buf, size_t start, |
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*/ |
*/ |
static void |
static void |
dofile(const struct args *args, const char *fname, |
dofile(const struct args *args, const char *fname, |
const struct tm *tm, const char *buf, size_t sz) |
const struct tm *tm, char *buf, size_t sz) |
{ |
{ |
char datebuf[64]; |
char datebuf[64]; |
struct state st; |
struct state st; |
Line 1391 dofile(const struct args *args, const char *fname, |
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Line 1538 dofile(const struct args *args, const char *fname, |
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free(title); |
free(title); |
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dict_init(); |
memset(&st, 0, sizeof(struct state)); |
memset(&st, 0, sizeof(struct state)); |
st.oust = OUST_NL; |
st.oust = OUST_NL; |
st.wantws = 1; |
st.wantws = 1; |
Line 1418 dofile(const struct args *args, const char *fname, |
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Line 1566 dofile(const struct args *args, const char *fname, |
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dopar(&st, buf, cur, end); |
dopar(&st, buf, cur, end); |
cur = sup; |
cur = sup; |
} |
} |
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dict_destroy(); |
} |
} |
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/* |
/* |