version 1.95, 2015/10/12 00:08:15 |
version 1.105, 2018/08/10 22:12:44 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011-2015 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2011-2015, 2017, 2018 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 <time.h> |
#include <time.h> |
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#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
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#include "mandoc.h" |
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#include "roff.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#define DATESIZE 32 |
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static int a2time(time_t *, const char *, const char *); |
static int a2time(time_t *, const char *, const char *); |
static char *time2a(time_t); |
static char *time2a(time_t); |
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mandoc_escape(const char **end, const char **start, int *sz) |
mandoc_escape(const char **end, const char **start, int *sz) |
{ |
{ |
const char *local_start; |
const char *local_start; |
int local_sz; |
int local_sz, c, i; |
char term; |
char term; |
enum mandoc_esc gly; |
enum mandoc_esc gly; |
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Line 97 mandoc_escape(const char **end, const char **start, in |
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Line 96 mandoc_escape(const char **end, const char **start, in |
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case ',': |
case ',': |
case '/': |
case '/': |
return ESCAPE_IGNORE; |
return ESCAPE_IGNORE; |
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case 'p': |
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return ESCAPE_BREAK; |
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/* |
/* |
* The \z escape is supposed to output the following |
* The \z escape is supposed to output the following |
Line 177 mandoc_escape(const char **end, const char **start, in |
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Line 178 mandoc_escape(const char **end, const char **start, in |
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++*end; |
++*end; |
return ESCAPE_ERROR; |
return ESCAPE_ERROR; |
} |
} |
gly = ESCAPE_IGNORE; |
switch ((*start)[-1]) { |
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case 'h': |
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gly = ESCAPE_HORIZ; |
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break; |
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case 'l': |
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gly = ESCAPE_HLINE; |
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break; |
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default: |
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gly = ESCAPE_IGNORE; |
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break; |
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} |
term = **start; |
term = **start; |
*start = ++*end; |
*start = ++*end; |
break; |
break; |
Line 319 mandoc_escape(const char **end, const char **start, in |
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Line 330 mandoc_escape(const char **end, const char **start, in |
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} |
} |
break; |
break; |
case ESCAPE_SPECIAL: |
case ESCAPE_SPECIAL: |
if (1 == *sz && 'c' == **start) |
if (**start == 'c') { |
gly = ESCAPE_NOSPACE; |
if (*sz == 1) { |
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gly = ESCAPE_NOSPACE; |
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break; |
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} |
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if (*sz < 6 || *sz > 7 || |
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strncmp(*start, "char", 4) != 0 || |
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(int)strspn(*start + 4, "0123456789") + 4 < *sz) |
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break; |
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c = 0; |
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for (i = 4; i < *sz; i++) |
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c = 10 * c + ((*start)[i] - '0'); |
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if (c < 0x21 || (c > 0x7e && c < 0xa0) || c > 0xff) |
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break; |
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*start += 4; |
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*sz -= 4; |
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gly = ESCAPE_NUMBERED; |
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break; |
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} |
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/* |
/* |
* Unicode escapes are defined in groff as \[u0000] |
* Unicode escapes are defined in groff as \[u0000] |
* to \[u10FFFF], where the contained value must be |
* to \[u10FFFF], where the contained value must be |
Line 333 mandoc_escape(const char **end, const char **start, in |
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Line 362 mandoc_escape(const char **end, const char **start, in |
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break; |
break; |
if (*sz == 6 && (*start)[1] == '0') |
if (*sz == 6 && (*start)[1] == '0') |
break; |
break; |
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if (*sz == 5 && (*start)[1] == 'D' && |
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strchr("89ABCDEF", (*start)[2]) != NULL) |
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break; |
if ((int)strspn(*start + 1, "0123456789ABCDEFabcdef") |
if ((int)strspn(*start + 1, "0123456789ABCDEFabcdef") |
+ 1 == *sz) |
+ 1 == *sz) |
gly = ESCAPE_UNICODE; |
gly = ESCAPE_UNICODE; |
Line 477 time2a(time_t t) |
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Line 509 time2a(time_t t) |
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* up to 2 characters for the day + comma + blank |
* up to 2 characters for the day + comma + blank |
* 4 characters for the year and a terminating '\0' |
* 4 characters for the year and a terminating '\0' |
*/ |
*/ |
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p = buf = mandoc_malloc(10 + 4 + 4 + 1); |
p = buf = mandoc_malloc(10 + 4 + 4 + 1); |
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if (0 == (ssz = strftime(p, 10 + 1, "%B ", tm))) |
if ((ssz = strftime(p, 10 + 1, "%B ", tm)) == 0) |
goto fail; |
goto fail; |
p += (int)ssz; |
p += (int)ssz; |
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if (-1 == (isz = snprintf(p, 4 + 1, "%d, ", tm->tm_mday))) |
/* |
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* The output format is just "%d" here, not "%2d" or "%02d". |
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* That's also the reason why we can't just format the |
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* date as a whole with "%B %e, %Y" or "%B %d, %Y". |
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* Besides, the present approach is less prone to buffer |
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* overflows, in case anybody should ever introduce the bug |
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* of looking at LC_TIME. |
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*/ |
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if ((isz = snprintf(p, 4 + 1, "%d, ", tm->tm_mday)) == -1) |
goto fail; |
goto fail; |
p += isz; |
p += isz; |
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if (0 == strftime(p, 4 + 1, "%Y", tm)) |
if (strftime(p, 4 + 1, "%Y", tm) == 0) |
goto fail; |
goto fail; |
return buf; |
return buf; |
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} |
} |
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char * |
char * |
mandoc_normdate(struct mparse *parse, char *in, int ln, int pos) |
mandoc_normdate(struct roff_man *man, char *in, int ln, int pos) |
{ |
{ |
char *out; |
char *cp; |
time_t t; |
time_t t; |
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if (NULL == in || '\0' == *in || |
/* No date specified: use today's date. */ |
0 == strcmp(in, "$" "Mdocdate$")) { |
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mandoc_msg(MANDOCERR_DATE_MISSING, parse, ln, pos, NULL); |
if (in == NULL || *in == '\0' || strcmp(in, "$" "Mdocdate$") == 0) { |
time(&t); |
mandoc_msg(MANDOCERR_DATE_MISSING, man->parse, ln, pos, NULL); |
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return time2a(time(NULL)); |
} |
} |
else if (a2time(&t, "%Y-%m-%d", in)) |
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t = 0; |
/* Valid mdoc(7) date format. */ |
else if (!a2time(&t, "$" "Mdocdate: %b %d %Y $", in) && |
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!a2time(&t, "%b %d, %Y", in)) { |
if (a2time(&t, "$" "Mdocdate: %b %d %Y $", in) || |
mandoc_msg(MANDOCERR_DATE_BAD, parse, ln, pos, in); |
a2time(&t, "%b %d, %Y", in)) { |
t = 0; |
cp = time2a(t); |
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if (t > time(NULL) + 86400) |
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mandoc_msg(MANDOCERR_DATE_FUTURE, man->parse, |
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ln, pos, cp); |
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else if (*in != '$' && strcmp(in, cp) != 0) |
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mandoc_msg(MANDOCERR_DATE_NORM, man->parse, |
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ln, pos, cp); |
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return cp; |
} |
} |
out = t ? time2a(t) : NULL; |
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return out ? out : mandoc_strdup(in); |
/* In man(7), do not warn about the legacy format. */ |
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if (a2time(&t, "%Y-%m-%d", in) == 0) |
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mandoc_msg(MANDOCERR_DATE_BAD, man->parse, ln, pos, in); |
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else if (t > time(NULL) + 86400) |
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mandoc_msg(MANDOCERR_DATE_FUTURE, man->parse, ln, pos, in); |
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else if (man->macroset == MACROSET_MDOC) |
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mandoc_vmsg(MANDOCERR_DATE_LEGACY, man->parse, |
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ln, pos, "Dd %s", in); |
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/* Use any non-mdoc(7) date verbatim. */ |
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return mandoc_strdup(in); |
} |
} |
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int |
int |