/*
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright 2012 Garrett D'Amore <garrett@damore.org> All rights reserved.
* Copyright 2015 John Marino <draco@marino.st>
*
* This source code is derived from the illumos localedef command, and
* provided under BSD-style license terms by Nexenta Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* LC_CTYPE database generation routines for localedef.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/tree.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <sys/types.h>
#include <wchar.h>
#include <ctype.h>
#include <wctype.h>
#include <unistd.h>
#include "localedef.h"
#include "parser.h"
#include "runefile.h"
/* Needed for bootstrapping, _CTYPE_N */
#ifndef _CTYPE_N
#define _CTYPE_N 0x00400000L
#endif
#define _ISUPPER _CTYPE_U
#define _ISLOWER _CTYPE_L
#define _ISDIGIT _CTYPE_D
#define _ISXDIGIT _CTYPE_X
#define _ISSPACE _CTYPE_S
#define _ISBLANK _CTYPE_B
#define _ISALPHA _CTYPE_A
#define _ISPUNCT _CTYPE_P
#define _ISGRAPH _CTYPE_G
#define _ISPRINT _CTYPE_R
#define _ISCNTRL _CTYPE_C
#define _E1 _CTYPE_Q
#define _E2 _CTYPE_I
#define _E3 0
#define _E4 _CTYPE_N
#define _E5 _CTYPE_T
static wchar_t last_ctype;
static int ctype_compare(const void *n1, const void *n2);
typedef struct ctype_node {
wchar_t wc;
int32_t ctype;
int32_t toupper;
int32_t tolower;
RB_ENTRY(ctype_node) entry;
} ctype_node_t;
static RB_HEAD(ctypes, ctype_node) ctypes;
RB_GENERATE_STATIC(ctypes, ctype_node, entry, ctype_compare);
static int
ctype_compare(const void *n1, const void *n2)
{
const ctype_node_t *c1 = n1;
const ctype_node_t *c2 = n2;
return (c1->wc < c2->wc ? -1 : c1->wc > c2->wc ? 1 : 0);
}
void
init_ctype(void)
{
RB_INIT(&ctypes);
}
static void
add_ctype_impl(ctype_node_t *ctn)
{
switch (last_kw) {
case T_ISUPPER:
ctn->ctype |= (_ISUPPER | _ISALPHA | _ISGRAPH | _ISPRINT);
break;
case T_ISLOWER:
ctn->ctype |= (_ISLOWER | _ISALPHA | _ISGRAPH | _ISPRINT);
break;
case T_ISALPHA:
ctn->ctype |= (_ISALPHA | _ISGRAPH | _ISPRINT);
break;
case T_ISDIGIT:
ctn->ctype |= (_ISDIGIT | _ISGRAPH | _ISPRINT | _ISXDIGIT | _E4);
break;
case T_ISSPACE:
ctn->ctype |= _ISSPACE;
break;
case T_ISCNTRL:
ctn->ctype |= _ISCNTRL;
break;
case T_ISGRAPH:
ctn->ctype |= (_ISGRAPH | _ISPRINT);
break;
case T_ISPRINT:
ctn->ctype |= _ISPRINT;
break;
case T_ISPUNCT:
ctn->ctype |= (_ISPUNCT | _ISGRAPH | _ISPRINT);
break;
case T_ISXDIGIT:
ctn->ctype |= (_ISXDIGIT | _ISPRINT);
break;
case T_ISBLANK:
ctn->ctype |= (_ISBLANK | _ISSPACE);
break;
case T_ISPHONOGRAM:
ctn->ctype |= (_E1 | _ISPRINT | _ISGRAPH);
break;
case T_ISIDEOGRAM:
ctn->ctype |= (_E2 | _ISPRINT | _ISGRAPH);
break;
case T_ISENGLISH:
ctn->ctype |= (_E3 | _ISPRINT | _ISGRAPH);
break;
case T_ISNUMBER:
ctn->ctype |= (_E4 | _ISPRINT | _ISGRAPH);
break;
case T_ISSPECIAL:
ctn->ctype |= (_E5 | _ISPRINT | _ISGRAPH);
break;
case T_ISALNUM:
/*
* We can't do anything with this. The character
* should already be specified as a digit or alpha.
*/
break;
default:
errf("not a valid character class");
}
}
static ctype_node_t *
get_ctype(wchar_t wc)
{
ctype_node_t srch;
ctype_node_t *ctn;
srch.wc = wc;
if ((ctn = RB_FIND(ctypes, &ctypes, &srch)) == NULL) {
if ((ctn = calloc(1, sizeof (*ctn))) == NULL) {
errf("out of memory");
return (NULL);
}
ctn->wc = wc;
RB_INSERT(ctypes, &ctypes, ctn);
}
return (ctn);
}
void
add_ctype(int val)
{
ctype_node_t *ctn;
if ((ctn = get_ctype(val)) == NULL) {
INTERR;
return;
}
add_ctype_impl(ctn);
last_ctype = ctn->wc;
}
void
add_ctype_range(wchar_t end)
{
ctype_node_t *ctn;
wchar_t cur;
if (end < last_ctype) {
errf("malformed character range (%u ... %u))",
last_ctype, end);
return;
}
for (cur = last_ctype + 1; cur <= end; cur++) {
if ((ctn = get_ctype(cur)) == NULL) {
INTERR;
return;
}
add_ctype_impl(ctn);
}
last_ctype = end;
}
/*
* A word about widths: if the width mask is specified, then libc
* unconditionally honors it. Otherwise, it assumes printable
* characters have width 1, and non-printable characters have width
* -1 (except for NULL which is special with with 0). Hence, we have
* no need to inject defaults here -- the "default" unset value of 0
* indicates that libc should use its own logic in wcwidth as described.
*/
void
add_width(int wc, int width)
{
ctype_node_t *ctn;
if ((ctn = get_ctype(wc)) == NULL) {
INTERR;
return;
}
ctn->ctype &= ~(_CTYPE_SWM);
switch (width) {
case 0:
ctn->ctype |= _CTYPE_SW0;
break;
case 1:
ctn->ctype |= _CTYPE_SW1;
break;
case 2:
ctn->ctype |= _CTYPE_SW2;
break;
case 3:
ctn->ctype |= _CTYPE_SW3;
break;
}
}
void
add_width_range(int start, int end, int width)
{
for (; start <= end; start++) {
add_width(start, width);
}
}
void
add_caseconv(int val, int wc)
{
ctype_node_t *ctn;
ctn = get_ctype(val);
if (ctn == NULL) {
INTERR;
return;
}
switch (last_kw) {
case T_TOUPPER:
ctn->toupper = wc;
break;
case T_TOLOWER:
ctn->tolower = wc;
break;
default:
INTERR;
break;
}
}
void
dump_ctype(void)
{
FILE *f;
_FileRuneLocale rl;
ctype_node_t *ctn, *last_ct, *last_lo, *last_up;
_FileRuneEntry *ct = NULL;
_FileRuneEntry *lo = NULL;
_FileRuneEntry *up = NULL;
wchar_t wc;
(void) memset(&rl, 0, sizeof (rl));
last_ct = NULL;
last_lo = NULL;
last_up = NULL;
if ((f = open_category()) == NULL)
return;
(void) memcpy(rl.magic, _FILE_RUNE_MAGIC_1, 8);
(void) strncpy(rl.encoding, get_wide_encoding(), sizeof (rl.encoding));
/*
* Initialize the identity map.
*/
for (wc = 0; (unsigned)wc < _CACHED_RUNES; wc++) {
rl.maplower[wc] = wc;
rl.mapupper[wc] = wc;
}
RB_FOREACH(ctn, ctypes, &ctypes) {
int conflict = 0;
wc = ctn->wc;
/*
* POSIX requires certain portable characters have
* certain types. Add them if they are missing.
*/
if ((wc >= 1) && (wc <= 127)) {
if ((wc >= 'A') && (wc <= 'Z'))
ctn->ctype |= _ISUPPER;
if ((wc >= 'a') && (wc <= 'z'))
ctn->ctype |= _ISLOWER;
if ((wc >= '0') && (wc <= '9'))
ctn->ctype |= _ISDIGIT;
if (wc == ' ')
ctn->ctype |= _ISPRINT;
if (strchr(" \f\n\r\t\v", (char)wc) != NULL)
ctn->ctype |= _ISSPACE;
if (strchr("0123456789ABCDEFabcdef", (char)wc) != NULL)
ctn->ctype |= _ISXDIGIT;
if (strchr(" \t", (char)wc))
ctn->ctype |= _ISBLANK;
/*
* Technically these settings are only
* required for the C locale. However, it
* turns out that because of the historical
* version of isprint(), we need them for all
* locales as well. Note that these are not
* necessarily valid punctation characters in
* the current language, but ispunct() needs
* to return TRUE for them.
*/
if (strchr("!\"'#$%&()*+,-./:;<=>?@[\\]^_`{|}~",
(char)wc))
ctn->ctype |= _ISPUNCT;
}
/*
* POSIX also requires that certain types imply
* others. Add any inferred types here.
*/
if (ctn->ctype & (_ISUPPER |_ISLOWER))
ctn->ctype |= _ISALPHA;
if (ctn->ctype & _ISDIGIT)
ctn->ctype |= _ISXDIGIT;
if (ctn->ctype & _ISBLANK)
ctn->ctype |= _ISSPACE;
if (ctn->ctype & (_ISALPHA|_ISDIGIT|_ISXDIGIT))
ctn->ctype |= _ISGRAPH;
if (ctn->ctype & _ISGRAPH)
ctn->ctype |= _ISPRINT;
/*
* Finally, POSIX requires that certain combinations
* are invalid. We don't flag this as a fatal error,
* but we will warn about.
*/
if ((ctn->ctype & _ISALPHA) &&
(ctn->ctype & (_ISPUNCT|_ISDIGIT)))
conflict++;
if ((ctn->ctype & _ISPUNCT) &
(ctn->ctype & (_ISDIGIT|_ISALPHA|_ISXDIGIT)))
conflict++;
if ((ctn->ctype & _ISSPACE) && (ctn->ctype & _ISGRAPH))
conflict++;
if ((ctn->ctype & _ISCNTRL) & _ISPRINT)
conflict++;
if ((wc == ' ') && (ctn->ctype & (_ISPUNCT|_ISGRAPH)))
conflict++;
if (conflict) {
warn("conflicting classes for character 0x%x (%x)",
wc, ctn->ctype);
}
/*
* Handle the lower 256 characters using the simple
* optimization. Note that if we have not defined the
* upper/lower case, then we identity map it.
*/
if ((unsigned)wc < _CACHED_RUNES) {
rl.runetype[wc] = ctn->ctype;
if (ctn->tolower)
rl.maplower[wc] = ctn->tolower;
if (ctn->toupper)
rl.mapupper[wc] = ctn->toupper;
continue;
}
if ((last_ct != NULL) && (last_ct->ctype == ctn->ctype) &&
(last_ct->wc + 1 == wc)) {
ct[rl.runetype_ext_nranges-1].max = wc;
} else {
rl.runetype_ext_nranges++;
ct = realloc(ct,
sizeof (*ct) * rl.runetype_ext_nranges);
ct[rl.runetype_ext_nranges - 1].min = wc;
ct[rl.runetype_ext_nranges - 1].max = wc;
ct[rl.runetype_ext_nranges - 1].map = ctn->ctype;
}
last_ct = ctn;
if (ctn->tolower == 0) {
last_lo = NULL;
} else if ((last_lo != NULL) &&
(last_lo->tolower + 1 == ctn->tolower)) {
lo[rl.maplower_ext_nranges-1].max = wc;
last_lo = ctn;
} else {
rl.maplower_ext_nranges++;
lo = realloc(lo,
sizeof (*lo) * rl.maplower_ext_nranges);
lo[rl.maplower_ext_nranges - 1].min = wc;
lo[rl.maplower_ext_nranges - 1].max = wc;
lo[rl.maplower_ext_nranges - 1].map = ctn->tolower;
last_lo = ctn;
}
if (ctn->toupper == 0) {
last_up = NULL;
} else if ((last_up != NULL) &&
(last_up->toupper + 1 == ctn->toupper)) {
up[rl.mapupper_ext_nranges-1].max = wc;
last_up = ctn;
} else {
rl.mapupper_ext_nranges++;
up = realloc(up,
sizeof (*up) * rl.mapupper_ext_nranges);
up[rl.mapupper_ext_nranges - 1].min = wc;
up[rl.mapupper_ext_nranges - 1].max = wc;
up[rl.mapupper_ext_nranges - 1].map = ctn->toupper;
last_up = ctn;
}
}
if ((wr_category(&rl, sizeof (rl), f) < 0) ||
(wr_category(ct, sizeof (*ct) * rl.runetype_ext_nranges, f) < 0) ||
(wr_category(lo, sizeof (*lo) * rl.maplower_ext_nranges, f) < 0) ||
(wr_category(up, sizeof (*up) * rl.mapupper_ext_nranges, f) < 0)) {
return;
}
close_category(f);
}
