version 1.112, 2018/12/16 00:17:02 |
version 1.119, 2021/08/10 12:55:03 |
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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, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2011-2015, 2017-2021 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 "mandoc.h" |
#include "mandoc.h" |
#include "roff.h" |
#include "roff.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#include "roff_int.h" |
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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); |
Line 73 mandoc_font(const char *cp, int sz) |
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Line 74 mandoc_font(const char *cp, int sz) |
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case 'C': |
case 'C': |
switch (cp[1]) { |
switch (cp[1]) { |
case 'B': |
case 'B': |
return ESCAPE_FONTBOLD; |
return ESCAPE_FONTCB; |
case 'I': |
case 'I': |
return ESCAPE_FONTITALIC; |
return ESCAPE_FONTCI; |
case 'R': |
case 'R': |
case 'W': |
case 'W': |
return ESCAPE_FONTCW; |
return ESCAPE_FONTCR; |
default: |
default: |
return ESCAPE_ERROR; |
return ESCAPE_ERROR; |
} |
} |
Line 202 mandoc_escape(const char **end, const char **start, in |
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Line 203 mandoc_escape(const char **end, const char **start, in |
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case 'O': |
case 'O': |
case 'V': |
case 'V': |
case 'Y': |
case 'Y': |
gly = (*start)[-1] == 'f' ? ESCAPE_FONT : ESCAPE_IGNORE; |
case '*': |
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switch ((*start)[-1]) { |
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case 'f': |
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gly = ESCAPE_FONT; |
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break; |
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case '*': |
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gly = ESCAPE_DEVICE; |
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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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} |
switch (**start) { |
switch (**start) { |
case '(': |
case '(': |
if ((*start)[-1] == 'O') |
if ((*start)[-1] == 'O') |
Line 237 mandoc_escape(const char **end, const char **start, in |
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Line 249 mandoc_escape(const char **end, const char **start, in |
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break; |
break; |
} |
} |
break; |
break; |
case '*': |
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if (strncmp(*start, "(.T", 3) != 0) |
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abort(); |
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gly = ESCAPE_DEVICE; |
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*start = ++*end; |
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*sz = 2; |
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break; |
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/* |
/* |
* These escapes are of the form \X'Y', where 'X' is the trigger |
* These escapes are of the form \X'Y', where 'X' is the trigger |
Line 458 mandoc_escape(const char **end, const char **start, in |
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Line 463 mandoc_escape(const char **end, const char **start, in |
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+ 1 == *sz) |
+ 1 == *sz) |
gly = ESCAPE_UNICODE; |
gly = ESCAPE_UNICODE; |
break; |
break; |
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case ESCAPE_DEVICE: |
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assert(*sz == 2 && (*start)[0] == '.' && (*start)[1] == 'T'); |
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break; |
default: |
default: |
break; |
break; |
} |
} |
Line 465 mandoc_escape(const char **end, const char **start, in |
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Line 473 mandoc_escape(const char **end, const char **start, in |
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return gly; |
return gly; |
} |
} |
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/* |
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* Parse a quoted or unquoted roff-style request or macro argument. |
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* Return a pointer to the parsed argument, which is either the original |
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* pointer or advanced by one byte in case the argument is quoted. |
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* NUL-terminate the argument in place. |
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* Collapse pairs of quotes inside quoted arguments. |
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* Advance the argument pointer to the next argument, |
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* or to the NUL byte terminating the argument line. |
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*/ |
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char * |
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mandoc_getarg(char **cpp, int ln, int *pos) |
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{ |
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char *start, *cp; |
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int quoted, pairs, white; |
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/* Quoting can only start with a new word. */ |
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start = *cpp; |
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quoted = 0; |
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if ('"' == *start) { |
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quoted = 1; |
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start++; |
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} |
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pairs = 0; |
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white = 0; |
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for (cp = start; '\0' != *cp; cp++) { |
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/* |
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* Move the following text left |
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* after quoted quotes and after "\\" and "\t". |
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*/ |
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if (pairs) |
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cp[-pairs] = cp[0]; |
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if ('\\' == cp[0]) { |
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/* |
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* In copy mode, translate double to single |
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* backslashes and backslash-t to literal tabs. |
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*/ |
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switch (cp[1]) { |
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case 'a': |
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case 't': |
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cp[0] = '\t'; |
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/* FALLTHROUGH */ |
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case '\\': |
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pairs++; |
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cp++; |
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break; |
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case ' ': |
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/* Skip escaped blanks. */ |
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if (0 == quoted) |
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cp++; |
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break; |
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default: |
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break; |
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} |
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} else if (0 == quoted) { |
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if (' ' == cp[0]) { |
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/* Unescaped blanks end unquoted args. */ |
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white = 1; |
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break; |
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} |
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} else if ('"' == cp[0]) { |
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if ('"' == cp[1]) { |
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/* Quoted quotes collapse. */ |
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pairs++; |
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cp++; |
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} else { |
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/* Unquoted quotes end quoted args. */ |
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quoted = 2; |
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break; |
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} |
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} |
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} |
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/* Quoted argument without a closing quote. */ |
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if (1 == quoted) |
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mandoc_msg(MANDOCERR_ARG_QUOTE, ln, *pos, NULL); |
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/* NUL-terminate this argument and move to the next one. */ |
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if (pairs) |
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cp[-pairs] = '\0'; |
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if ('\0' != *cp) { |
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*cp++ = '\0'; |
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while (' ' == *cp) |
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cp++; |
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} |
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*pos += (int)(cp - start) + (quoted ? 1 : 0); |
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*cpp = cp; |
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if ('\0' == *cp && (white || ' ' == cp[-1])) |
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mandoc_msg(MANDOCERR_SPACE_EOL, ln, *pos, NULL); |
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return start; |
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} |
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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 589 time2a(time_t t) |
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Line 501 time2a(time_t t) |
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size_t ssz; |
size_t ssz; |
int isz; |
int isz; |
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buf = NULL; |
tm = localtime(&t); |
tm = localtime(&t); |
if (tm == NULL) |
if (tm == NULL) |
return NULL; |
goto fail; |
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/* |
/* |
* Reserve space: |
* Reserve space: |
Line 615 time2a(time_t t) |
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Line 528 time2a(time_t t) |
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* of looking at LC_TIME. |
* of looking at LC_TIME. |
*/ |
*/ |
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if ((isz = snprintf(p, 4 + 1, "%d, ", tm->tm_mday)) == -1) |
isz = snprintf(p, 4 + 1, "%d, ", tm->tm_mday); |
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if (isz < 0 || isz > 4) |
goto fail; |
goto fail; |
p += isz; |
p += isz; |
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Line 625 time2a(time_t t) |
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Line 539 time2a(time_t t) |
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fail: |
fail: |
free(buf); |
free(buf); |
return NULL; |
return mandoc_strdup(""); |
} |
} |
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char * |
char * |
mandoc_normdate(struct roff_man *man, char *in, int ln, int pos) |
mandoc_normdate(struct roff_node *nch, struct roff_node *nbl) |
{ |
{ |
char *cp; |
char *cp; |
time_t t; |
time_t t; |
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/* No date specified: use today's date. */ |
/* No date specified. */ |
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if (in == NULL || *in == '\0' || strcmp(in, "$" "Mdocdate$") == 0) { |
if (nch == NULL) { |
mandoc_msg(MANDOCERR_DATE_MISSING, ln, pos, NULL); |
if (nbl == NULL) |
return time2a(time(NULL)); |
mandoc_msg(MANDOCERR_DATE_MISSING, 0, 0, NULL); |
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else |
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mandoc_msg(MANDOCERR_DATE_MISSING, nbl->line, |
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nbl->pos, "%s", roff_name[nbl->tok]); |
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return mandoc_strdup(""); |
} |
} |
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if (*nch->string == '\0') { |
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mandoc_msg(MANDOCERR_DATE_MISSING, nch->line, |
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nch->pos, "%s", roff_name[nbl->tok]); |
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return mandoc_strdup(""); |
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} |
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if (strcmp(nch->string, "$" "Mdocdate$") == 0) |
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return time2a(time(NULL)); |
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/* Valid mdoc(7) date format. */ |
/* Valid mdoc(7) date format. */ |
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if (a2time(&t, "$" "Mdocdate: %b %d %Y $", in) || |
if (a2time(&t, "$" "Mdocdate: %b %d %Y $", nch->string) || |
a2time(&t, "%b %d, %Y", in)) { |
a2time(&t, "%b %d, %Y", nch->string)) { |
cp = time2a(t); |
cp = time2a(t); |
if (t > time(NULL) + 86400) |
if (t > time(NULL) + 86400) |
mandoc_msg(MANDOCERR_DATE_FUTURE, ln, pos, "%s", cp); |
mandoc_msg(MANDOCERR_DATE_FUTURE, nch->line, |
else if (*in != '$' && strcmp(in, cp) != 0) |
nch->pos, "%s %s", roff_name[nbl->tok], cp); |
mandoc_msg(MANDOCERR_DATE_NORM, ln, pos, "%s", cp); |
else if (*nch->string != '$' && |
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strcmp(nch->string, cp) != 0) |
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mandoc_msg(MANDOCERR_DATE_NORM, nch->line, |
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nch->pos, "%s %s", roff_name[nbl->tok], cp); |
return cp; |
return cp; |
} |
} |
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/* In man(7), do not warn about the legacy format. */ |
/* In man(7), do not warn about the legacy format. */ |
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if (a2time(&t, "%Y-%m-%d", in) == 0) |
if (a2time(&t, "%Y-%m-%d", nch->string) == 0) |
mandoc_msg(MANDOCERR_DATE_BAD, ln, pos, "%s", in); |
mandoc_msg(MANDOCERR_DATE_BAD, nch->line, nch->pos, |
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"%s %s", roff_name[nbl->tok], nch->string); |
else if (t > time(NULL) + 86400) |
else if (t > time(NULL) + 86400) |
mandoc_msg(MANDOCERR_DATE_FUTURE, ln, pos, "%s", in); |
mandoc_msg(MANDOCERR_DATE_FUTURE, nch->line, nch->pos, |
else if (man->macroset == MACROSET_MDOC) |
"%s %s", roff_name[nbl->tok], nch->string); |
mandoc_msg(MANDOCERR_DATE_LEGACY, ln, pos, "Dd %s", in); |
else if (nbl->tok == MDOC_Dd) |
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mandoc_msg(MANDOCERR_DATE_LEGACY, nch->line, nch->pos, |
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"Dd %s", nch->string); |
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/* Use any non-mdoc(7) date verbatim. */ |
/* Use any non-mdoc(7) date verbatim. */ |
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return mandoc_strdup(in); |
return mandoc_strdup(nch->string); |
} |
} |
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int |
int |