version 1.9, 2010/01/01 17:14:28 |
version 1.93, 2015/08/29 22:40:05 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv> |
|
* Copyright (c) 2011-2015 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 |
* copyright notice and this permission notice appear in all copies. |
* copyright notice and this permission notice appear in all copies. |
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
|
#include "config.h" |
#include "config.h" |
#endif |
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|
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
|
#include <errno.h> |
|
#include <limits.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
#include <time.h> |
#include <time.h> |
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|
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#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
|
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static int a2time(time_t *, const char *, const char *); |
#define DATESIZE 32 |
|
|
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static int a2time(time_t *, const char *, const char *); |
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static char *time2a(time_t); |
|
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int |
|
mandoc_special(const char *p) |
enum mandoc_esc |
|
mandoc_escape(const char **end, const char **start, int *sz) |
{ |
{ |
int terminator; /* Terminator for \s. */ |
const char *local_start; |
int lim; /* Limit for N in \s. */ |
int local_sz; |
int c, i; |
char term; |
|
enum mandoc_esc gly; |
if ('\\' != *p++) |
|
return(0); |
|
|
|
switch (*p) { |
/* |
case ('\\'): |
* When the caller doesn't provide return storage, |
|
* use local storage. |
|
*/ |
|
|
|
if (NULL == start) |
|
start = &local_start; |
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if (NULL == sz) |
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sz = &local_sz; |
|
|
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/* |
|
* Beyond the backslash, at least one input character |
|
* is part of the escape sequence. With one exception |
|
* (see below), that character won't be returned. |
|
*/ |
|
|
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gly = ESCAPE_ERROR; |
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*start = ++*end; |
|
*sz = 0; |
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term = '\0'; |
|
|
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switch ((*start)[-1]) { |
|
/* |
|
* First the glyphs. There are several different forms of |
|
* these, but each eventually returns a substring of the glyph |
|
* name. |
|
*/ |
|
case '(': |
|
gly = ESCAPE_SPECIAL; |
|
*sz = 2; |
|
break; |
|
case '[': |
|
gly = ESCAPE_SPECIAL; |
|
term = ']'; |
|
break; |
|
case 'C': |
|
if ('\'' != **start) |
|
return(ESCAPE_ERROR); |
|
*start = ++*end; |
|
gly = ESCAPE_SPECIAL; |
|
term = '\''; |
|
break; |
|
|
|
/* |
|
* Escapes taking no arguments at all. |
|
*/ |
|
case 'd': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('\''): |
case 'u': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('`'): |
case ',': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('q'): |
case '/': |
|
return(ESCAPE_IGNORE); |
|
|
|
/* |
|
* The \z escape is supposed to output the following |
|
* character without advancing the cursor position. |
|
* Since we are mostly dealing with terminal mode, |
|
* let us just skip the next character. |
|
*/ |
|
case 'z': |
|
return(ESCAPE_SKIPCHAR); |
|
|
|
/* |
|
* Handle all triggers matching \X(xy, \Xx, and \X[xxxx], where |
|
* 'X' is the trigger. These have opaque sub-strings. |
|
*/ |
|
case 'F': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('-'): |
case 'g': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('~'): |
case 'k': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('^'): |
case 'M': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('%'): |
case 'm': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('0'): |
case 'n': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (' '): |
case 'V': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('|'): |
case 'Y': |
|
gly = ESCAPE_IGNORE; |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('&'): |
case 'f': |
|
if (ESCAPE_ERROR == gly) |
|
gly = ESCAPE_FONT; |
|
switch (**start) { |
|
case '(': |
|
*start = ++*end; |
|
*sz = 2; |
|
break; |
|
case '[': |
|
*start = ++*end; |
|
term = ']'; |
|
break; |
|
default: |
|
*sz = 1; |
|
break; |
|
} |
|
break; |
|
|
|
/* |
|
* These escapes are of the form \X'Y', where 'X' is the trigger |
|
* and 'Y' is any string. These have opaque sub-strings. |
|
* The \B and \w escapes are handled in roff.c, roff_res(). |
|
*/ |
|
case 'A': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('.'): |
case 'b': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (':'): |
case 'D': |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('c'): |
case 'R': |
return(2); |
/* FALLTHROUGH */ |
case ('e'): |
case 'X': |
return(2); |
/* FALLTHROUGH */ |
case ('f'): |
case 'Z': |
if ('\0' == *++p || ! isgraph((u_char)*p)) |
gly = ESCAPE_IGNORE; |
return(0); |
/* FALLTHROUGH */ |
return(3); |
case 'o': |
case ('s'): |
if (**start == '\0') |
if ('\0' == *++p) |
return(ESCAPE_ERROR); |
return(2); |
if (gly == ESCAPE_ERROR) |
|
gly = ESCAPE_OVERSTRIKE; |
|
term = **start; |
|
*start = ++*end; |
|
break; |
|
|
c = 2; |
/* |
terminator = 0; |
* These escapes are of the form \X'N', where 'X' is the trigger |
lim = 1; |
* and 'N' resolves to a numerical expression. |
|
*/ |
if (*p == '\'') { |
case 'h': |
lim = 0; |
/* FALLTHROUGH */ |
terminator = 1; |
case 'H': |
++p; |
/* FALLTHROUGH */ |
++c; |
case 'L': |
} else if (*p == '[') { |
/* FALLTHROUGH */ |
lim = 0; |
case 'l': |
terminator = 2; |
/* FALLTHROUGH */ |
++p; |
case 'S': |
++c; |
/* FALLTHROUGH */ |
} else if (*p == '(') { |
case 'v': |
lim = 2; |
/* FALLTHROUGH */ |
terminator = 3; |
case 'x': |
++p; |
if (strchr(" %&()*+-./0123456789:<=>", **start)) { |
++c; |
if ('\0' != **start) |
|
++*end; |
|
return(ESCAPE_ERROR); |
} |
} |
|
gly = ESCAPE_IGNORE; |
|
term = **start; |
|
*start = ++*end; |
|
break; |
|
|
if (*p == '+' || *p == '-') { |
/* |
++p; |
* Special handling for the numbered character escape. |
++c; |
* XXX Do any other escapes need similar handling? |
|
*/ |
|
case 'N': |
|
if ('\0' == **start) |
|
return(ESCAPE_ERROR); |
|
(*end)++; |
|
if (isdigit((unsigned char)**start)) { |
|
*sz = 1; |
|
return(ESCAPE_IGNORE); |
} |
} |
|
(*start)++; |
|
while (isdigit((unsigned char)**end)) |
|
(*end)++; |
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*sz = *end - *start; |
|
if ('\0' != **end) |
|
(*end)++; |
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return(ESCAPE_NUMBERED); |
|
|
if (*p == '\'') { |
/* |
if (terminator) |
* Sizes get a special category of their own. |
return(0); |
*/ |
lim = 0; |
case 's': |
terminator = 1; |
gly = ESCAPE_IGNORE; |
++p; |
|
++c; |
|
} else if (*p == '[') { |
|
if (terminator) |
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return(0); |
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lim = 0; |
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terminator = 2; |
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++p; |
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++c; |
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} else if (*p == '(') { |
|
if (terminator) |
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return(0); |
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lim = 2; |
|
terminator = 3; |
|
++p; |
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++c; |
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} |
|
|
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/* TODO: needs to handle floating point. */ |
/* See +/- counts as a sign. */ |
|
if ('+' == **end || '-' == **end || ASCII_HYPH == **end) |
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*start = ++*end; |
|
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if ( ! isdigit((u_char)*p)) |
switch (**end) { |
return(0); |
case '(': |
|
*start = ++*end; |
for (i = 0; isdigit((u_char)*p); i++) { |
*sz = 2; |
if (lim && i >= lim) |
break; |
break; |
case '[': |
++p; |
*start = ++*end; |
++c; |
term = ']'; |
} |
break; |
|
case '\'': |
if (terminator && terminator < 3) { |
*start = ++*end; |
if (1 == terminator && *p != '\'') |
term = '\''; |
return(0); |
break; |
if (2 == terminator && *p != ']') |
case '3': |
return(0); |
/* FALLTHROUGH */ |
++p; |
case '2': |
++c; |
/* FALLTHROUGH */ |
} |
case '1': |
|
*sz = (*end)[-1] == 's' && |
return(c); |
isdigit((unsigned char)(*end)[1]) ? 2 : 1; |
case ('*'): |
break; |
if (0 == *++p || ! isgraph((u_char)*p)) |
|
return(0); |
|
switch (*p) { |
|
case ('('): |
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if (0 == *++p || ! isgraph((u_char)*p)) |
|
return(0); |
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return(4); |
|
case ('['): |
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for (c = 3, p++; *p && ']' != *p; p++, c++) |
|
if ( ! isgraph((u_char)*p)) |
|
break; |
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return(*p == ']' ? c : 0); |
|
default: |
default: |
|
*sz = 1; |
break; |
break; |
} |
} |
return(3); |
|
case ('('): |
|
if (0 == *++p || ! isgraph((u_char)*p)) |
|
return(0); |
|
if (0 == *++p || ! isgraph((u_char)*p)) |
|
return(0); |
|
return(4); |
|
case ('['): |
|
break; |
break; |
|
|
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/* |
|
* Anything else is assumed to be a glyph. |
|
* In this case, pass back the character after the backslash. |
|
*/ |
default: |
default: |
return(0); |
gly = ESCAPE_SPECIAL; |
|
*start = --*end; |
|
*sz = 1; |
|
break; |
} |
} |
|
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for (c = 3, p++; *p && ']' != *p; p++, c++) |
assert(ESCAPE_ERROR != gly); |
if ( ! isgraph((u_char)*p)) |
|
break; |
|
|
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return(*p == ']' ? c : 0); |
/* |
} |
* Read up to the terminating character, |
|
* paying attention to nested escapes. |
|
*/ |
|
|
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if ('\0' != term) { |
void * |
while (**end != term) { |
mandoc_calloc(size_t num, size_t size) |
switch (**end) { |
{ |
case '\0': |
void *ptr; |
return(ESCAPE_ERROR); |
|
case '\\': |
ptr = calloc(num, size); |
(*end)++; |
if (NULL == ptr) { |
if (ESCAPE_ERROR == |
perror(NULL); |
mandoc_escape(end, NULL, NULL)) |
exit(EXIT_FAILURE); |
return(ESCAPE_ERROR); |
|
break; |
|
default: |
|
(*end)++; |
|
break; |
|
} |
|
} |
|
*sz = (*end)++ - *start; |
|
} else { |
|
assert(*sz > 0); |
|
if ((size_t)*sz > strlen(*start)) |
|
return(ESCAPE_ERROR); |
|
*end += *sz; |
} |
} |
|
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return(ptr); |
/* Run post-processors. */ |
} |
|
|
|
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switch (gly) { |
|
case ESCAPE_FONT: |
|
if (2 == *sz) { |
|
if ('C' == **start) { |
|
/* |
|
* Treat constant-width font modes |
|
* just like regular font modes. |
|
*/ |
|
(*start)++; |
|
(*sz)--; |
|
} else { |
|
if ('B' == (*start)[0] && 'I' == (*start)[1]) |
|
gly = ESCAPE_FONTBI; |
|
break; |
|
} |
|
} else if (1 != *sz) |
|
break; |
|
|
void * |
switch (**start) { |
mandoc_malloc(size_t size) |
case '3': |
{ |
/* FALLTHROUGH */ |
void *ptr; |
case 'B': |
|
gly = ESCAPE_FONTBOLD; |
ptr = malloc(size); |
break; |
if (NULL == ptr) { |
case '2': |
perror(NULL); |
/* FALLTHROUGH */ |
exit(EXIT_FAILURE); |
case 'I': |
|
gly = ESCAPE_FONTITALIC; |
|
break; |
|
case 'P': |
|
gly = ESCAPE_FONTPREV; |
|
break; |
|
case '1': |
|
/* FALLTHROUGH */ |
|
case 'R': |
|
gly = ESCAPE_FONTROMAN; |
|
break; |
|
} |
|
break; |
|
case ESCAPE_SPECIAL: |
|
if (1 == *sz && 'c' == **start) |
|
gly = ESCAPE_NOSPACE; |
|
/* |
|
* Unicode escapes are defined in groff as \[u0000] |
|
* to \[u10FFFF], where the contained value must be |
|
* a valid Unicode codepoint. Here, however, only |
|
* check the length and range. |
|
*/ |
|
if (**start != 'u' || *sz < 5 || *sz > 7) |
|
break; |
|
if (*sz == 7 && ((*start)[1] != '1' || (*start)[2] != '0')) |
|
break; |
|
if (*sz == 6 && (*start)[1] == '0') |
|
break; |
|
if ((int)strspn(*start + 1, "0123456789ABCDEFabcdef") |
|
+ 1 == *sz) |
|
gly = ESCAPE_UNICODE; |
|
break; |
|
default: |
|
break; |
} |
} |
|
|
return(ptr); |
return(gly); |
} |
} |
|
|
|
/* |
void * |
* Parse a quoted or unquoted roff-style request or macro argument. |
mandoc_realloc(void *ptr, size_t size) |
* Return a pointer to the parsed argument, which is either the original |
|
* pointer or advanced by one byte in case the argument is quoted. |
|
* NUL-terminate the argument in place. |
|
* Collapse pairs of quotes inside quoted arguments. |
|
* Advance the argument pointer to the next argument, |
|
* or to the NUL byte terminating the argument line. |
|
*/ |
|
char * |
|
mandoc_getarg(struct mparse *parse, char **cpp, int ln, int *pos) |
{ |
{ |
|
char *start, *cp; |
|
int quoted, pairs, white; |
|
|
ptr = realloc(ptr, size); |
/* Quoting can only start with a new word. */ |
if (NULL == ptr) { |
start = *cpp; |
perror(NULL); |
quoted = 0; |
exit(EXIT_FAILURE); |
if ('"' == *start) { |
|
quoted = 1; |
|
start++; |
} |
} |
|
|
return(ptr); |
pairs = 0; |
} |
white = 0; |
|
for (cp = start; '\0' != *cp; cp++) { |
|
|
|
/* |
|
* Move the following text left |
|
* after quoted quotes and after "\\" and "\t". |
|
*/ |
|
if (pairs) |
|
cp[-pairs] = cp[0]; |
|
|
char * |
if ('\\' == cp[0]) { |
mandoc_strdup(const char *ptr) |
/* |
{ |
* In copy mode, translate double to single |
char *p; |
* backslashes and backslash-t to literal tabs. |
|
*/ |
|
switch (cp[1]) { |
|
case 't': |
|
cp[0] = '\t'; |
|
/* FALLTHROUGH */ |
|
case '\\': |
|
pairs++; |
|
cp++; |
|
break; |
|
case ' ': |
|
/* Skip escaped blanks. */ |
|
if (0 == quoted) |
|
cp++; |
|
break; |
|
default: |
|
break; |
|
} |
|
} else if (0 == quoted) { |
|
if (' ' == cp[0]) { |
|
/* Unescaped blanks end unquoted args. */ |
|
white = 1; |
|
break; |
|
} |
|
} else if ('"' == cp[0]) { |
|
if ('"' == cp[1]) { |
|
/* Quoted quotes collapse. */ |
|
pairs++; |
|
cp++; |
|
} else { |
|
/* Unquoted quotes end quoted args. */ |
|
quoted = 2; |
|
break; |
|
} |
|
} |
|
} |
|
|
p = strdup(ptr); |
/* Quoted argument without a closing quote. */ |
if (NULL == p) { |
if (1 == quoted) |
perror(NULL); |
mandoc_msg(MANDOCERR_ARG_QUOTE, parse, ln, *pos, NULL); |
exit(EXIT_FAILURE); |
|
|
/* NUL-terminate this argument and move to the next one. */ |
|
if (pairs) |
|
cp[-pairs] = '\0'; |
|
if ('\0' != *cp) { |
|
*cp++ = '\0'; |
|
while (' ' == *cp) |
|
cp++; |
} |
} |
|
*pos += (int)(cp - start) + (quoted ? 1 : 0); |
|
*cpp = cp; |
|
|
return(p); |
if ('\0' == *cp && (white || ' ' == cp[-1])) |
|
mandoc_msg(MANDOCERR_SPACE_EOL, parse, ln, *pos, NULL); |
|
|
|
return(start); |
} |
} |
|
|
|
|
static int |
static int |
a2time(time_t *t, const char *fmt, const char *p) |
a2time(time_t *t, const char *fmt, const char *p) |
{ |
{ |
Line 258 a2time(time_t *t, const char *fmt, const char *p) |
|
Line 473 a2time(time_t *t, const char *fmt, const char *p) |
|
|
|
memset(&tm, 0, sizeof(struct tm)); |
memset(&tm, 0, sizeof(struct tm)); |
|
|
|
pp = NULL; |
|
#if HAVE_STRPTIME |
pp = strptime(p, fmt, &tm); |
pp = strptime(p, fmt, &tm); |
|
#endif |
if (NULL != pp && '\0' == *pp) { |
if (NULL != pp && '\0' == *pp) { |
*t = mktime(&tm); |
*t = mktime(&tm); |
return(1); |
return(1); |
Line 267 a2time(time_t *t, const char *fmt, const char *p) |
|
Line 485 a2time(time_t *t, const char *fmt, const char *p) |
|
return(0); |
return(0); |
} |
} |
|
|
|
static char * |
|
time2a(time_t t) |
|
{ |
|
struct tm *tm; |
|
char *buf, *p; |
|
size_t ssz; |
|
int isz; |
|
|
/* |
tm = localtime(&t); |
* Convert from a manual date string (see mdoc(7) and man(7)) into a |
if (tm == NULL) |
* date according to the stipulated date type. |
return(NULL); |
*/ |
|
time_t |
/* |
mandoc_a2time(int flags, const char *p) |
* Reserve space: |
|
* up to 9 characters for the month (September) + blank |
|
* up to 2 characters for the day + comma + blank |
|
* 4 characters for the year and a terminating '\0' |
|
*/ |
|
p = buf = mandoc_malloc(10 + 4 + 4 + 1); |
|
|
|
if (0 == (ssz = strftime(p, 10 + 1, "%B ", tm))) |
|
goto fail; |
|
p += (int)ssz; |
|
|
|
if (-1 == (isz = snprintf(p, 4 + 1, "%d, ", tm->tm_mday))) |
|
goto fail; |
|
p += isz; |
|
|
|
if (0 == strftime(p, 4 + 1, "%Y", tm)) |
|
goto fail; |
|
return(buf); |
|
|
|
fail: |
|
free(buf); |
|
return(NULL); |
|
} |
|
|
|
char * |
|
mandoc_normdate(struct mparse *parse, char *in, int ln, int pos) |
{ |
{ |
|
char *out; |
time_t t; |
time_t t; |
|
|
if (MTIME_MDOCDATE & flags) { |
if (NULL == in || '\0' == *in || |
if (0 == strcmp(p, "$" "Mdocdate$")) |
0 == strcmp(in, "$" "Mdocdate$")) { |
return(time(NULL)); |
mandoc_msg(MANDOCERR_DATE_MISSING, parse, ln, pos, NULL); |
if (a2time(&t, "$" "Mdocdate: %b %d %Y $", p)) |
time(&t); |
return(t); |
|
} |
} |
|
else if (a2time(&t, "%Y-%m-%d", in)) |
|
t = 0; |
|
else if (!a2time(&t, "$" "Mdocdate: %b %d %Y $", in) && |
|
!a2time(&t, "%b %d, %Y", in)) { |
|
mandoc_msg(MANDOCERR_DATE_BAD, parse, ln, pos, in); |
|
t = 0; |
|
} |
|
out = t ? time2a(t) : NULL; |
|
return(out ? out : mandoc_strdup(in)); |
|
} |
|
|
if (MTIME_CANONICAL & flags || MTIME_REDUCED & flags) |
int |
if (a2time(&t, "%b %d, %Y", p)) |
mandoc_eos(const char *p, size_t sz) |
return(t); |
{ |
|
const char *q; |
|
int enclosed, found; |
|
|
if (MTIME_ISO_8601 & flags) |
if (0 == sz) |
if (a2time(&t, "%Y-%m-%d", p)) |
return(0); |
return(t); |
|
|
|
if (MTIME_REDUCED & flags) { |
/* |
if (a2time(&t, "%d, %Y", p)) |
* End-of-sentence recognition must include situations where |
return(t); |
* some symbols, such as `)', allow prior EOS punctuation to |
if (a2time(&t, "%Y", p)) |
* propagate outward. |
return(t); |
*/ |
|
|
|
enclosed = found = 0; |
|
for (q = p + (int)sz - 1; q >= p; q--) { |
|
switch (*q) { |
|
case '\"': |
|
/* FALLTHROUGH */ |
|
case '\'': |
|
/* FALLTHROUGH */ |
|
case ']': |
|
/* FALLTHROUGH */ |
|
case ')': |
|
if (0 == found) |
|
enclosed = 1; |
|
break; |
|
case '.': |
|
/* FALLTHROUGH */ |
|
case '!': |
|
/* FALLTHROUGH */ |
|
case '?': |
|
found = 1; |
|
break; |
|
default: |
|
return(found && (!enclosed || isalnum((unsigned char)*q))); |
|
} |
} |
} |
|
|
return(0); |
return(found && !enclosed); |
} |
} |
|
|
|
/* |
|
* Convert a string to a long that may not be <0. |
|
* If the string is invalid, or is less than 0, return -1. |
|
*/ |
|
int |
|
mandoc_strntoi(const char *p, size_t sz, int base) |
|
{ |
|
char buf[32]; |
|
char *ep; |
|
long v; |
|
|
|
if (sz > 31) |
|
return(-1); |
|
|
|
memcpy(buf, p, sz); |
|
buf[(int)sz] = '\0'; |
|
|
|
errno = 0; |
|
v = strtol(buf, &ep, base); |
|
|
|
if (buf[0] == '\0' || *ep != '\0') |
|
return(-1); |
|
|
|
if (v > INT_MAX) |
|
v = INT_MAX; |
|
if (v < INT_MIN) |
|
v = INT_MIN; |
|
|
|
return((int)v); |
|
} |