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charset.c
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/*
* Copyright (C) 1984-2009 Mark Nudelman
*
* You may distribute under the terms of either the GNU General Public
* License or the Less License, as specified in the README file.
*
* For more information about less, or for information on how to
* contact the author, see the README file.
*/
/*
* Functions to define the character set
* and do things specific to the character set.
*/
#include "less.h"
#if HAVE_LOCALE
#include <locale.h>
#include <ctype.h>
#include <langinfo.h>
#endif
#include "charset.h"
public int utf_mode = 0;
/*
* Predefined character sets,
* selected by the LESSCHARSET environment variable.
*/
struct charset {
char *name;
int *p_flag;
char *desc;
} charsets[] = {
{ "ascii", NULL, "8bcccbcc18b95.b" },
{ "utf-8", &utf_mode, "8bcccbcc18b95.b126.bb" },
{ "iso8859", NULL, "8bcccbcc18b95.33b." },
{ "latin3", NULL, "8bcccbcc18b95.33b5.b8.b15.b4.b12.b18.b12.b." },
{ "arabic", NULL, "8bcccbcc18b95.33b.3b.7b2.13b.3b.b26.5b19.b" },
{ "greek", NULL, "8bcccbcc18b95.33b4.2b4.b3.b35.b44.b" },
{ "greek2005", NULL, "8bcccbcc18b95.33b14.b35.b44.b" },
{ "hebrew", NULL, "8bcccbcc18b95.33b.b29.32b28.2b2.b" },
{ "koi8-r", NULL, "8bcccbcc18b95.b." },
{ "KOI8-T", NULL, "8bcccbcc18b95.b8.b6.b8.b.b.5b7.3b4.b4.b3.b.b.3b." },
{ "georgianps", NULL, "8bcccbcc18b95.3b11.4b12.2b." },
{ "tcvn", NULL, "b..b...bcccbccbbb7.8b95.b48.5b." },
{ "TIS-620", NULL, "8bcccbcc18b95.b.4b.11b7.8b." },
{ "next", NULL, "8bcccbcc18b95.bb125.bb" },
{ "dos", NULL, "8bcccbcc12bc5b95.b." },
{ "windows-1251", NULL, "8bcccbcc12bc5b95.b24.b." },
{ "windows-1252", NULL, "8bcccbcc12bc5b95.b.b11.b.2b12.b." },
{ "windows-1255", NULL, "8bcccbcc12bc5b95.b.b8.b.5b9.b.4b." },
{ "ebcdic", NULL, "5bc6bcc7bcc41b.9b7.9b5.b..8b6.10b6.b9.7b9.8b8.17b3.3b9.7b9.8b8.6b10.b.b.b." },
{ "IBM-1047", NULL, "4cbcbc3b9cbccbccbb4c6bcc5b3cbbc4bc4bccbc191.b" },
{ NULL, NULL, NULL }
};
/*
* Support "locale charmap"/nl_langinfo(CODESET) values, as well as others.
*/
struct cs_alias {
char *name;
char *oname;
} cs_aliases[] = {
{ "UTF-8", "utf-8" },
{ "ANSI_X3.4-1968", "ascii" },
{ "US-ASCII", "ascii" },
{ "latin1", "iso8859" },
{ "ISO-8859-1", "iso8859" },
{ "latin9", "iso8859" },
{ "ISO-8859-15", "iso8859" },
{ "latin2", "iso8859" },
{ "ISO-8859-2", "iso8859" },
{ "ISO-8859-3", "latin3" },
{ "latin4", "iso8859" },
{ "ISO-8859-4", "iso8859" },
{ "cyrillic", "iso8859" },
{ "ISO-8859-5", "iso8859" },
{ "ISO-8859-6", "arabic" },
{ "ISO-8859-7", "greek" },
{ "IBM9005", "greek2005" },
{ "ISO-8859-8", "hebrew" },
{ "latin5", "iso8859" },
{ "ISO-8859-9", "iso8859" },
{ "latin6", "iso8859" },
{ "ISO-8859-10", "iso8859" },
{ "latin7", "iso8859" },
{ "ISO-8859-13", "iso8859" },
{ "latin8", "iso8859" },
{ "ISO-8859-14", "iso8859" },
{ "latin10", "iso8859" },
{ "ISO-8859-16", "iso8859" },
{ "IBM437", "dos" },
{ "EBCDIC-US", "ebcdic" },
{ "IBM1047", "IBM-1047" },
{ "KOI8-R", "koi8-r" },
{ "KOI8-U", "koi8-r" },
{ "GEORGIAN-PS", "georgianps" },
{ "TCVN5712-1", "tcvn" },
{ "NEXTSTEP", "next" },
{ "windows", "windows-1252" }, /* backward compatibility */
{ "CP1251", "windows-1251" },
{ "CP1252", "windows-1252" },
{ "CP1255", "windows-1255" },
{ NULL, NULL }
};
#define IS_BINARY_CHAR 01
#define IS_CONTROL_CHAR 02
static char chardef[256];
static char *binfmt = NULL;
static char *utfbinfmt = NULL;
public int binattr = AT_STANDOUT;
/*
* Define a charset, given a description string.
* The string consists of 256 letters,
* one for each character in the charset.
* If the string is shorter than 256 letters, missing letters
* are taken to be identical to the last one.
* A decimal number followed by a letter is taken to be a
* repetition of the letter.
*
* Each letter is one of:
* . normal character
* b binary character
* c control character
*/
static void
ichardef(s)
char *s;
{
register char *cp;
register int n;
register char v;
n = 0;
v = 0;
cp = chardef;
while (*s != '\0')
{
switch (*s++)
{
case '.':
v = 0;
break;
case 'c':
v = IS_CONTROL_CHAR;
break;
case 'b':
v = IS_BINARY_CHAR|IS_CONTROL_CHAR;
break;
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
n = (10 * n) + (s[-1] - '0');
continue;
default:
error("invalid chardef", NULL_PARG);
quit(QUIT_ERROR);
/*NOTREACHED*/
}
do
{
if (cp >= chardef + sizeof(chardef))
{
error("chardef longer than 256", NULL_PARG);
quit(QUIT_ERROR);
/*NOTREACHED*/
}
*cp++ = v;
} while (--n > 0);
n = 0;
}
while (cp < chardef + sizeof(chardef))
*cp++ = v;
}
/*
* Define a charset, given a charset name.
* The valid charset names are listed in the "charsets" array.
*/
static int
icharset(name, no_error)
register char *name;
int no_error;
{
register struct charset *p;
register struct cs_alias *a;
if (name == NULL || *name == '\0')
return (0);
/* First see if the name is an alias. */
for (a = cs_aliases; a->name != NULL; a++)
{
if (strcmp(name, a->name) == 0)
{
name = a->oname;
break;
}
}
for (p = charsets; p->name != NULL; p++)
{
if (strcmp(name, p->name) == 0)
{
ichardef(p->desc);
if (p->p_flag != NULL)
*(p->p_flag) = 1;
return (1);
}
}
if (!no_error) {
error("invalid charset name", NULL_PARG);
quit(QUIT_ERROR);
}
return (0);
}
#if HAVE_LOCALE
/*
* Define a charset, given a locale name.
*/
static void
ilocale()
{
register int c;
for (c = 0; c < (int) sizeof(chardef); c++)
{
if (isprint(c))
chardef[c] = 0;
else if (iscntrl(c))
chardef[c] = IS_CONTROL_CHAR;
else
chardef[c] = IS_BINARY_CHAR|IS_CONTROL_CHAR;
}
}
#endif
/*
* Define the printing format for control (or binary utf) chars.
*/
static void
setbinfmt(s, fmtvarptr, default_fmt)
char *s;
char **fmtvarptr;
char *default_fmt;
{
if (s && utf_mode)
{
/* It would be too hard to account for width otherwise. */
char *t = s;
while (*t)
{
if (*t < ' ' || *t > '~')
{
s = default_fmt;
goto attr;
}
t++;
}
}
/* %n is evil */
if (s == NULL || *s == '\0' ||
(*s == '*' && (s[1] == '\0' || s[2] == '\0' || strchr(s + 2, 'n'))) ||
(*s != '*' && strchr(s, 'n')))
s = default_fmt;
/*
* Select the attributes if it starts with "*".
*/
attr:
if (*s == '*')
{
switch (s[1])
{
case 'd': binattr = AT_BOLD; break;
case 'k': binattr = AT_BLINK; break;
case 's': binattr = AT_STANDOUT; break;
case 'u': binattr = AT_UNDERLINE; break;
default: binattr = AT_NORMAL; break;
}
s += 2;
}
*fmtvarptr = s;
}
/*
*
*/
static void
set_charset()
{
char *s;
/*
* See if environment variable LESSCHARSET is defined.
*/
s = lgetenv("LESSCHARSET");
if (icharset(s, 0))
return;
/*
* LESSCHARSET is not defined: try LESSCHARDEF.
*/
s = lgetenv("LESSCHARDEF");
if (s != NULL && *s != '\0')
{
ichardef(s);
return;
}
#if HAVE_LOCALE
#ifdef CODESET
/*
* Try using the codeset name as the charset name.
*/
s = nl_langinfo(CODESET);
if (icharset(s, 1))
return;
#endif
#endif
#if HAVE_STRSTR
/*
* Check whether LC_ALL, LC_CTYPE or LANG look like UTF-8 is used.
*/
if ((s = lgetenv("LC_ALL")) != NULL ||
(s = lgetenv("LC_CTYPE")) != NULL ||
(s = lgetenv("LANG")) != NULL)
{
if ( strstr(s, "UTF-8") != NULL || strstr(s, "utf-8") != NULL
|| strstr(s, "UTF8") != NULL || strstr(s, "utf8") != NULL)
if (icharset("utf-8", 1))
return;
}
#endif
#if HAVE_LOCALE
/*
* Get character definitions from locale functions,
* rather than from predefined charset entry.
*/
ilocale();
#if MSDOS_COMPILER
/*
* Default to "dos".
*/
(void) icharset("dos", 1);
#else
/*
* Default to "latin1".
*/
(void) icharset("latin1", 1);
#endif
#endif
}
/*
* Initialize charset data structures.
*/
public void
init_charset()
{
char *s;
#if HAVE_LOCALE
setlocale(LC_ALL, "");
#endif
set_charset();
s = lgetenv("LESSBINFMT");
setbinfmt(s, &binfmt, "*s<%02X>");
s = lgetenv("LESSUTFBINFMT");
setbinfmt(s, &utfbinfmt, "<U+%04lX>");
}
/*
* Is a given character a "binary" character?
*/
public int
binary_char(c)
LWCHAR c;
{
if (utf_mode)
return (is_ubin_char(c));
c &= 0377;
return (chardef[c] & IS_BINARY_CHAR);
}
/*
* Is a given character a "control" character?
*/
public int
control_char(c)
LWCHAR c;
{
c &= 0377;
return (chardef[c] & IS_CONTROL_CHAR);
}
/*
* Return the printable form of a character.
* For example, in the "ascii" charset '\3' is printed as "^C".
*/
public char *
prchar(c)
LWCHAR c;
{
/* {{ This buffer can be overrun if LESSBINFMT is a long string. }} */
static char buf[32];
c &= 0377;
if ((c < 128 || !utf_mode) && !control_char(c))
SNPRINTF1(buf, sizeof(buf), "%c", (int) c);
else if (c == ESC)
strcpy(buf, "ESC");
#if IS_EBCDIC_HOST
else if (!binary_char(c) && c < 64)
SNPRINTF1(buf, sizeof(buf), "^%c",
/*
* This array roughly inverts CONTROL() #defined in less.h,
* and should be kept in sync with CONTROL() and IBM-1047.
*/
"@ABC.I.?...KLMNO"
"PQRS.JH.XY.."
"\\]^_"
"......W[.....EFG"
"..V....D....TU.Z"[c]);
#else
else if (c < 128 && !control_char(c ^ 0100))
SNPRINTF1(buf, sizeof(buf), "^%c", (int) (c ^ 0100));
#endif
else
SNPRINTF1(buf, sizeof(buf), binfmt, c);
return (buf);
}
/*
* Return the printable form of a UTF-8 character.
*/
public char *
prutfchar(ch)
LWCHAR ch;
{
static char buf[32];
if (ch == ESC)
strcpy(buf, "ESC");
else if (ch < 128 && control_char(ch))
{
if (!control_char(ch ^ 0100))
SNPRINTF1(buf, sizeof(buf), "^%c", ((char) ch) ^ 0100);
else
SNPRINTF1(buf, sizeof(buf), binfmt, (char) ch);
} else if (is_ubin_char(ch))
SNPRINTF1(buf, sizeof(buf), utfbinfmt, ch);
else
{
int len;
if (ch >= 0x80000000)
{
len = 3;
ch = 0xFFFD;
} else
{
len = (ch < 0x80) ? 1
: (ch < 0x800) ? 2
: (ch < 0x10000) ? 3
: (ch < 0x200000) ? 4
: (ch < 0x4000000) ? 5
: 6;
}
buf[len] = '\0';
if (len == 1)
*buf = (char) ch;
else
{
*buf = ((1 << len) - 1) << (8 - len);
while (--len > 0)
{
buf[len] = (char) (0x80 | (ch & 0x3F));
ch >>= 6;
}
*buf |= ch;
}
}
return (buf);
}
/*
* Get the length of a UTF-8 character in bytes.
*/
public int
utf_len(ch)
char ch;
{
if ((ch & 0x80) == 0)
return 1;
if ((ch & 0xE0) == 0xC0)
return 2;
if ((ch & 0xF0) == 0xE0)
return 3;
if ((ch & 0xF8) == 0xF0)
return 4;
if ((ch & 0xFC) == 0xF8)
return 5;
if ((ch & 0xFE) == 0xFC)
return 6;
/* Invalid UTF-8 encoding. */
return 1;
}
/*
* Is a UTF-8 character well-formed?
*/
public int
is_utf8_well_formed(s)
unsigned char *s;
{
int i;
int len;
if (IS_UTF8_INVALID(s[0]))
return (0);
len = utf_len((char) s[0]);
if (len == 1)
return (1);
if (len == 2)
{
if (s[0] < 0xC2)
return (0);
} else
{
unsigned char mask;
mask = (~((1 << (8-len)) - 1)) & 0xFF;
if (s[0] == mask && (s[1] & mask) == 0x80)
return (0);
}
for (i = 1; i < len; i++)
if (!IS_UTF8_TRAIL(s[i]))
return (0);
return (1);
}
/*
* Get the value of a UTF-8 character.
*/
public LWCHAR
get_wchar(p)
char *p;
{
switch (utf_len(p[0]))
{
case 1:
default:
/* 0xxxxxxx */
return (LWCHAR)
(p[0] & 0xFF);
case 2:
/* 110xxxxx 10xxxxxx */
return (LWCHAR) (
((p[0] & 0x1F) << 6) |
(p[1] & 0x3F));
case 3:
/* 1110xxxx 10xxxxxx 10xxxxxx */
return (LWCHAR) (
((p[0] & 0x0F) << 12) |
((p[1] & 0x3F) << 6) |
(p[2] & 0x3F));
case 4:
/* 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
return (LWCHAR) (
((p[0] & 0x07) << 18) |
((p[1] & 0x3F) << 12) |
((p[2] & 0x3F) << 6) |
(p[3] & 0x3F));
case 5:
/* 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
return (LWCHAR) (
((p[0] & 0x03) << 24) |
((p[1] & 0x3F) << 18) |
((p[2] & 0x3F) << 12) |
((p[3] & 0x3F) << 6) |
(p[4] & 0x3F));
case 6:
/* 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
return (LWCHAR) (
((p[0] & 0x01) << 30) |
((p[1] & 0x3F) << 24) |
((p[2] & 0x3F) << 18) |
((p[3] & 0x3F) << 12) |
((p[4] & 0x3F) << 6) |
(p[5] & 0x3F));
}
}
/*
* Store a character into a UTF-8 string.
*/
public void
put_wchar(pp, ch)
char **pp;
LWCHAR ch;
{
if (!utf_mode || ch < 0x80)
{
/* 0xxxxxxx */
*(*pp)++ = (char) ch;
} else if (ch < 0x800)
{
/* 110xxxxx 10xxxxxx */
*(*pp)++ = (char) (0xC0 | ((ch >> 6) & 0x1F));
*(*pp)++ = (char) (0x80 | (ch & 0x3F));
} else if (ch < 0x10000)
{
/* 1110xxxx 10xxxxxx 10xxxxxx */
*(*pp)++ = (char) (0xE0 | ((ch >> 12) & 0x0F));
*(*pp)++ = (char) (0x80 | ((ch >> 6) & 0x3F));
*(*pp)++ = (char) (0x80 | (ch & 0x3F));
} else if (ch < 0x200000)
{
/* 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */
*(*pp)++ = (char) (0xF0 | ((ch >> 18) & 0x07));
*(*pp)++ = (char) (0x80 | ((ch >> 12) & 0x3F));
*(*pp)++ = (char) (0x80 | ((ch >> 6) & 0x3F));
*(*pp)++ = (char) (0x80 | (ch & 0x3F));
} else if (ch < 0x4000000)
{
/* 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
*(*pp)++ = (char) (0xF0 | ((ch >> 24) & 0x03));
*(*pp)++ = (char) (0x80 | ((ch >> 18) & 0x3F));
*(*pp)++ = (char) (0x80 | ((ch >> 12) & 0x3F));
*(*pp)++ = (char) (0x80 | ((ch >> 6) & 0x3F));
*(*pp)++ = (char) (0x80 | (ch & 0x3F));
} else
{
/* 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx */
*(*pp)++ = (char) (0xF0 | ((ch >> 30) & 0x01));
*(*pp)++ = (char) (0x80 | ((ch >> 24) & 0x3F));
*(*pp)++ = (char) (0x80 | ((ch >> 18) & 0x3F));
*(*pp)++ = (char) (0x80 | ((ch >> 12) & 0x3F));
*(*pp)++ = (char) (0x80 | ((ch >> 6) & 0x3F));
*(*pp)++ = (char) (0x80 | (ch & 0x3F));
}
}
/*
* Step forward or backward one character in a string.
*/
public LWCHAR
step_char(pp, dir, limit)
char **pp;
signed int dir;
char *limit;
{
LWCHAR ch;
int len;
char *p = *pp;
if (!utf_mode)
{
/* It's easy if chars are one byte. */
if (dir > 0)
ch = (LWCHAR) ((p < limit) ? *p++ : 0);
else
ch = (LWCHAR) ((p > limit) ? *--p : 0);
} else if (dir > 0)
{
len = utf_len(*p);
if (p + len > limit)
{
ch = 0;
p = limit;
} else
{
ch = get_wchar(p);
p += len;
}
} else
{
while (p > limit && IS_UTF8_TRAIL(p[-1]))
p--;
if (p > limit)
ch = get_wchar(--p);
else
ch = 0;
}
*pp = p;
return ch;
}
/*
* Unicode characters data
*/
struct wchar_range { LWCHAR first, last; };
/*
* Characters with general category values
* Mn: Mark, Nonspacing
* Me: Mark, Enclosing
* Last synched with
* <http://www.unicode.org/Public/5.0.0/ucd/UnicodeData-5.0.0d7.txt>
* dated 2005-11-30T00:58:48Z
*/
static struct wchar_range comp_table[] = {
{ 0x0300, 0x036F} /* Mn */, { 0x0483, 0x0486} /* Mn */,
{ 0x0488, 0x0489} /* Me */,
{ 0x0591, 0x05BD} /* Mn */, { 0x05BF, 0x05BF} /* Mn */,
{ 0x05C1, 0x05C2} /* Mn */, { 0x05C4, 0x05C5} /* Mn */,
{ 0x05C7, 0x05C7} /* Mn */, { 0x0610, 0x0615} /* Mn */,
{ 0x064B, 0x065E} /* Mn */, { 0x0670, 0x0670} /* Mn */,
{ 0x06D6, 0x06DC} /* Mn */,
{ 0x06DE, 0x06DE} /* Me */,
{ 0x06DF, 0x06E4} /* Mn */, { 0x06E7, 0x06E8} /* Mn */,
{ 0x06EA, 0x06ED} /* Mn */, { 0x0711, 0x0711} /* Mn */,
{ 0x0730, 0x074A} /* Mn */, { 0x07A6, 0x07B0} /* Mn */,
{ 0x07EB, 0x07F3} /* Mn */, { 0x0901, 0x0902} /* Mn */,
{ 0x093C, 0x093C} /* Mn */, { 0x0941, 0x0948} /* Mn */,
{ 0x094D, 0x094D} /* Mn */, { 0x0951, 0x0954} /* Mn */,
{ 0x0962, 0x0963} /* Mn */, { 0x0981, 0x0981} /* Mn */,
{ 0x09BC, 0x09BC} /* Mn */, { 0x09C1, 0x09C4} /* Mn */,
{ 0x09CD, 0x09CD} /* Mn */, { 0x09E2, 0x09E3} /* Mn */,
{ 0x0A01, 0x0A02} /* Mn */, { 0x0A3C, 0x0A3C} /* Mn */,
{ 0x0A41, 0x0A42} /* Mn */, { 0x0A47, 0x0A48} /* Mn */,
{ 0x0A4B, 0x0A4D} /* Mn */, { 0x0A70, 0x0A71} /* Mn */,
{ 0x0A81, 0x0A82} /* Mn */, { 0x0ABC, 0x0ABC} /* Mn */,
{ 0x0AC1, 0x0AC5} /* Mn */, { 0x0AC7, 0x0AC8} /* Mn */,
{ 0x0ACD, 0x0ACD} /* Mn */, { 0x0AE2, 0x0AE3} /* Mn */,
{ 0x0B01, 0x0B01} /* Mn */, { 0x0B3C, 0x0B3C} /* Mn */,
{ 0x0B3F, 0x0B3F} /* Mn */, { 0x0B41, 0x0B43} /* Mn */,
{ 0x0B4D, 0x0B4D} /* Mn */, { 0x0B56, 0x0B56} /* Mn */,
{ 0x0B82, 0x0B82} /* Mn */, { 0x0BC0, 0x0BC0} /* Mn */,
{ 0x0BCD, 0x0BCD} /* Mn */, { 0x0C3E, 0x0C40} /* Mn */,
{ 0x0C46, 0x0C48} /* Mn */, { 0x0C4A, 0x0C4D} /* Mn */,
{ 0x0C55, 0x0C56} /* Mn */, { 0x0CBC, 0x0CBC} /* Mn */,
{ 0x0CBF, 0x0CBF} /* Mn */, { 0x0CC6, 0x0CC6} /* Mn */,
{ 0x0CCC, 0x0CCD} /* Mn */, { 0x0CE2, 0x0CE3} /* Mn */,
{ 0x0D41, 0x0D43} /* Mn */, { 0x0D4D, 0x0D4D} /* Mn */,
{ 0x0DCA, 0x0DCA} /* Mn */, { 0x0DD2, 0x0DD4} /* Mn */,
{ 0x0DD6, 0x0DD6} /* Mn */, { 0x0E31, 0x0E31} /* Mn */,
{ 0x0E34, 0x0E3A} /* Mn */, { 0x0E47, 0x0E4E} /* Mn */,
{ 0x0EB1, 0x0EB1} /* Mn */, { 0x0EB4, 0x0EB9} /* Mn */,
{ 0x0EBB, 0x0EBC} /* Mn */, { 0x0EC8, 0x0ECD} /* Mn */,
{ 0x0F18, 0x0F19} /* Mn */, { 0x0F35, 0x0F35} /* Mn */,
{ 0x0F37, 0x0F37} /* Mn */, { 0x0F39, 0x0F39} /* Mn */,
{ 0x0F71, 0x0F7E} /* Mn */, { 0x0F80, 0x0F84} /* Mn */,
{ 0x0F86, 0x0F87} /* Mn */, { 0x0F90, 0x0F97} /* Mn */,
{ 0x0F99, 0x0FBC} /* Mn */, { 0x0FC6, 0x0FC6} /* Mn */,
{ 0x102D, 0x1030} /* Mn */, { 0x1032, 0x1032} /* Mn */,
{ 0x1036, 0x1037} /* Mn */, { 0x1039, 0x1039} /* Mn */,
{ 0x1058, 0x1059} /* Mn */, { 0x135F, 0x135F} /* Mn */,
{ 0x1712, 0x1714} /* Mn */, { 0x1732, 0x1734} /* Mn */,
{ 0x1752, 0x1753} /* Mn */, { 0x1772, 0x1773} /* Mn */,
{ 0x17B7, 0x17BD} /* Mn */, { 0x17C6, 0x17C6} /* Mn */,
{ 0x17C9, 0x17D3} /* Mn */, { 0x17DD, 0x17DD} /* Mn */,
{ 0x180B, 0x180D} /* Mn */, { 0x18A9, 0x18A9} /* Mn */,
{ 0x1920, 0x1922} /* Mn */, { 0x1927, 0x1928} /* Mn */,
{ 0x1932, 0x1932} /* Mn */, { 0x1939, 0x193B} /* Mn */,
{ 0x1A17, 0x1A18} /* Mn */, { 0x1B00, 0x1B03} /* Mn */,
{ 0x1B34, 0x1B34} /* Mn */, { 0x1B36, 0x1B3A} /* Mn */,
{ 0x1B3C, 0x1B3C} /* Mn */, { 0x1B42, 0x1B42} /* Mn */,
{ 0x1B6B, 0x1B73} /* Mn */, { 0x1DC0, 0x1DCA} /* Mn */,
{ 0x1DFE, 0x1DFF} /* Mn */, { 0x20D0, 0x20DC} /* Mn */,
{ 0x20DD, 0x20E0} /* Me */,
{ 0x20E1, 0x20E1} /* Mn */,
{ 0x20E2, 0x20E4} /* Me */,
{ 0x20E5, 0x20EF} /* Mn */, { 0x302A, 0x302F} /* Mn */,
{ 0x3099, 0x309A} /* Mn */, { 0xA806, 0xA806} /* Mn */,
{ 0xA80B, 0xA80B} /* Mn */, { 0xA825, 0xA826} /* Mn */,
{ 0xFB1E, 0xFB1E} /* Mn */, { 0xFE00, 0xFE0F} /* Mn */,
{ 0xFE20, 0xFE23} /* Mn */, { 0x10A01, 0x10A03} /* Mn */,
{ 0x10A05, 0x10A06} /* Mn */, { 0x10A0C, 0x10A0F} /* Mn */,
{ 0x10A38, 0x10A3A} /* Mn */, { 0x10A3F, 0x10A3F} /* Mn */,
{ 0x1D167, 0x1D169} /* Mn */, { 0x1D17B, 0x1D182} /* Mn */,
{ 0x1D185, 0x1D18B} /* Mn */, { 0x1D1AA, 0x1D1AD} /* Mn */,
{ 0x1D242, 0x1D244} /* Mn */, { 0xE0100, 0xE01EF} /* Mn */,
};
/*
* Special pairs, not ranges.
*/
static struct wchar_range comb_table[] = {
{0x0644,0x0622}, {0x0644,0x0623}, {0x0644,0x0625}, {0x0644,0x0627},
};
/*
* Characters with general category values
* Cc: Other, Control
* Cf: Other, Format
* Cs: Other, Surrogate
* Co: Other, Private Use
* Cn: Other, Not Assigned
* Zl: Separator, Line
* Zp: Separator, Paragraph
* Last synched with
* <http://www.unicode.org/Public/5.0.0/ucd/UnicodeData-5.0.0d7.txt>
* dated 2005-11-30T00:58:48Z
*/
static struct wchar_range ubin_table[] = {
{ 0x0000, 0x0007} /* Cc */,
{ 0x000B, 0x000C} /* Cc */,
{ 0x000E, 0x001A} /* Cc */,
{ 0x001C, 0x001F} /* Cc */,
{ 0x007F, 0x009F} /* Cc */,
#if 0
{ 0x00AD, 0x00AD} /* Cf */,
#endif
{ 0x0370, 0x0373} /* Cn */, { 0x0376, 0x0379} /* Cn */,
{ 0x037F, 0x0383} /* Cn */, { 0x038B, 0x038B} /* Cn */,
{ 0x038D, 0x038D} /* Cn */, { 0x03A2, 0x03A2} /* Cn */,
{ 0x03CF, 0x03CF} /* Cn */, { 0x0487, 0x0487} /* Cn */,
{ 0x0514, 0x0530} /* Cn */, { 0x0557, 0x0558} /* Cn */,
{ 0x0560, 0x0560} /* Cn */, { 0x0588, 0x0588} /* Cn */,
{ 0x058B, 0x0590} /* Cn */, { 0x05C8, 0x05CF} /* Cn */,
{ 0x05EB, 0x05EF} /* Cn */, { 0x05F5, 0x05FF} /* Cn */,
#if 0
{ 0x0600, 0x0603} /* Cf */,
#endif
{ 0x0604, 0x060A} /* Cn */, { 0x0616, 0x061A} /* Cn */,
{ 0x061C, 0x061D} /* Cn */, { 0x0620, 0x0620} /* Cn */,
{ 0x063B, 0x063F} /* Cn */, { 0x065F, 0x065F} /* Cn */,
#if 0
{ 0x06DD, 0x06DD} /* Cf */,
#endif
{ 0x070E, 0x070E} /* Cn */,
#if 0
{ 0x070F, 0x070F} /* Cf */,
#endif
{ 0x074B, 0x074C} /* Cn */, { 0x076E, 0x077F} /* Cn */,
{ 0x07B2, 0x07BF} /* Cn */, { 0x07FB, 0x0900} /* Cn */,
{ 0x093A, 0x093B} /* Cn */, { 0x094E, 0x094F} /* Cn */,
{ 0x0955, 0x0957} /* Cn */, { 0x0971, 0x097A} /* Cn */,
{ 0x0980, 0x0980} /* Cn */, { 0x0984, 0x0984} /* Cn */,
{ 0x098D, 0x098E} /* Cn */, { 0x0991, 0x0992} /* Cn */,
{ 0x09A9, 0x09A9} /* Cn */, { 0x09B1, 0x09B1} /* Cn */,
{ 0x09B3, 0x09B5} /* Cn */, { 0x09BA, 0x09BB} /* Cn */,
{ 0x09C5, 0x09C6} /* Cn */, { 0x09C9, 0x09CA} /* Cn */,
{ 0x09CF, 0x09D6} /* Cn */, { 0x09D8, 0x09DB} /* Cn */,
{ 0x09DE, 0x09DE} /* Cn */, { 0x09E4, 0x09E5} /* Cn */,
{ 0x09FB, 0x0A00} /* Cn */, { 0x0A04, 0x0A04} /* Cn */,
{ 0x0A0B, 0x0A0E} /* Cn */, { 0x0A11, 0x0A12} /* Cn */,
{ 0x0A29, 0x0A29} /* Cn */, { 0x0A31, 0x0A31} /* Cn */,
{ 0x0A34, 0x0A34} /* Cn */, { 0x0A37, 0x0A37} /* Cn */,
{ 0x0A3A, 0x0A3B} /* Cn */, { 0x0A3D, 0x0A3D} /* Cn */,
{ 0x0A43, 0x0A46} /* Cn */, { 0x0A49, 0x0A4A} /* Cn */,
{ 0x0A4E, 0x0A58} /* Cn */, { 0x0A5D, 0x0A5D} /* Cn */,
{ 0x0A5F, 0x0A65} /* Cn */, { 0x0A75, 0x0A80} /* Cn */,
{ 0x0A84, 0x0A84} /* Cn */, { 0x0A8E, 0x0A8E} /* Cn */,
{ 0x0A92, 0x0A92} /* Cn */, { 0x0AA9, 0x0AA9} /* Cn */,
{ 0x0AB1, 0x0AB1} /* Cn */, { 0x0AB4, 0x0AB4} /* Cn */,
{ 0x0ABA, 0x0ABB} /* Cn */, { 0x0AC6, 0x0AC6} /* Cn */,
{ 0x0ACA, 0x0ACA} /* Cn */, { 0x0ACE, 0x0ACF} /* Cn */,
{ 0x0AD1, 0x0ADF} /* Cn */, { 0x0AE4, 0x0AE5} /* Cn */,
{ 0x0AF0, 0x0AF0} /* Cn */, { 0x0AF2, 0x0B00} /* Cn */,
{ 0x0B04, 0x0B04} /* Cn */, { 0x0B0D, 0x0B0E} /* Cn */,
{ 0x0B11, 0x0B12} /* Cn */, { 0x0B29, 0x0B29} /* Cn */,
{ 0x0B31, 0x0B31} /* Cn */, { 0x0B34, 0x0B34} /* Cn */,
{ 0x0B3A, 0x0B3B} /* Cn */, { 0x0B44, 0x0B46} /* Cn */,
{ 0x0B49, 0x0B4A} /* Cn */, { 0x0B4E, 0x0B55} /* Cn */,
{ 0x0B58, 0x0B5B} /* Cn */, { 0x0B5E, 0x0B5E} /* Cn */,
{ 0x0B62, 0x0B65} /* Cn */, { 0x0B72, 0x0B81} /* Cn */,
{ 0x0B84, 0x0B84} /* Cn */, { 0x0B8B, 0x0B8D} /* Cn */,
{ 0x0B91, 0x0B91} /* Cn */, { 0x0B96, 0x0B98} /* Cn */,
{ 0x0B9B, 0x0B9B} /* Cn */, { 0x0B9D, 0x0B9D} /* Cn */,
{ 0x0BA0, 0x0BA2} /* Cn */, { 0x0BA5, 0x0BA7} /* Cn */,
{ 0x0BAB, 0x0BAD} /* Cn */, { 0x0BBA, 0x0BBD} /* Cn */,
{ 0x0BC3, 0x0BC5} /* Cn */, { 0x0BC9, 0x0BC9} /* Cn */,
{ 0x0BCE, 0x0BD6} /* Cn */, { 0x0BD8, 0x0BE5} /* Cn */,
{ 0x0BFB, 0x0C00} /* Cn */, { 0x0C04, 0x0C04} /* Cn */,
{ 0x0C0D, 0x0C0D} /* Cn */, { 0x0C11, 0x0C11} /* Cn */,
{ 0x0C29, 0x0C29} /* Cn */, { 0x0C34, 0x0C34} /* Cn */,
{ 0x0C3A, 0x0C3D} /* Cn */, { 0x0C45, 0x0C45} /* Cn */,
{ 0x0C49, 0x0C49} /* Cn */, { 0x0C4E, 0x0C54} /* Cn */,
{ 0x0C57, 0x0C5F} /* Cn */, { 0x0C62, 0x0C65} /* Cn */,
{ 0x0C70, 0x0C81} /* Cn */, { 0x0C84, 0x0C84} /* Cn */,
{ 0x0C8D, 0x0C8D} /* Cn */, { 0x0C91, 0x0C91} /* Cn */,
{ 0x0CA9, 0x0CA9} /* Cn */, { 0x0CB4, 0x0CB4} /* Cn */,
{ 0x0CBA, 0x0CBB} /* Cn */, { 0x0CC5, 0x0CC5} /* Cn */,
{ 0x0CC9, 0x0CC9} /* Cn */, { 0x0CCE, 0x0CD4} /* Cn */,
{ 0x0CD7, 0x0CDD} /* Cn */, { 0x0CDF, 0x0CDF} /* Cn */,
{ 0x0CE4, 0x0CE5} /* Cn */, { 0x0CF0, 0x0CF0} /* Cn */,
{ 0x0CF3, 0x0D01} /* Cn */, { 0x0D04, 0x0D04} /* Cn */,
{ 0x0D0D, 0x0D0D} /* Cn */, { 0x0D11, 0x0D11} /* Cn */,
{ 0x0D29, 0x0D29} /* Cn */, { 0x0D3A, 0x0D3D} /* Cn */,
{ 0x0D44, 0x0D45} /* Cn */, { 0x0D49, 0x0D49} /* Cn */,
{ 0x0D4E, 0x0D56} /* Cn */, { 0x0D58, 0x0D5F} /* Cn */,
{ 0x0D62, 0x0D65} /* Cn */, { 0x0D70, 0x0D81} /* Cn */,
{ 0x0D84, 0x0D84} /* Cn */, { 0x0D97, 0x0D99} /* Cn */,
{ 0x0DB2, 0x0DB2} /* Cn */, { 0x0DBC, 0x0DBC} /* Cn */,
{ 0x0DBE, 0x0DBF} /* Cn */, { 0x0DC7, 0x0DC9} /* Cn */,
{ 0x0DCB, 0x0DCE} /* Cn */, { 0x0DD5, 0x0DD5} /* Cn */,
{ 0x0DD7, 0x0DD7} /* Cn */, { 0x0DE0, 0x0DF1} /* Cn */,
{ 0x0DF5, 0x0E00} /* Cn */, { 0x0E3B, 0x0E3E} /* Cn */,
{ 0x0E5C, 0x0E80} /* Cn */, { 0x0E83, 0x0E83} /* Cn */,
{ 0x0E85, 0x0E86} /* Cn */, { 0x0E89, 0x0E89} /* Cn */,
{ 0x0E8B, 0x0E8C} /* Cn */, { 0x0E8E, 0x0E93} /* Cn */,
{ 0x0E98, 0x0E98} /* Cn */, { 0x0EA0, 0x0EA0} /* Cn */,
{ 0x0EA4, 0x0EA4} /* Cn */, { 0x0EA6, 0x0EA6} /* Cn */,
{ 0x0EA8, 0x0EA9} /* Cn */, { 0x0EAC, 0x0EAC} /* Cn */,
{ 0x0EBA, 0x0EBA} /* Cn */, { 0x0EBE, 0x0EBF} /* Cn */,
{ 0x0EC5, 0x0EC5} /* Cn */, { 0x0EC7, 0x0EC7} /* Cn */,
{ 0x0ECE, 0x0ECF} /* Cn */, { 0x0EDA, 0x0EDB} /* Cn */,
{ 0x0EDE, 0x0EFF} /* Cn */, { 0x0F48, 0x0F48} /* Cn */,
{ 0x0F6B, 0x0F70} /* Cn */, { 0x0F8C, 0x0F8F} /* Cn */,
{ 0x0F98, 0x0F98} /* Cn */, { 0x0FBD, 0x0FBD} /* Cn */,
{ 0x0FCD, 0x0FCE} /* Cn */, { 0x0FD2, 0x0FFF} /* Cn */,
{ 0x1022, 0x1022} /* Cn */, { 0x1028, 0x1028} /* Cn */,
{ 0x102B, 0x102B} /* Cn */, { 0x1033, 0x1035} /* Cn */,
{ 0x103A, 0x103F} /* Cn */, { 0x105A, 0x109F} /* Cn */,
{ 0x10C6, 0x10CF} /* Cn */, { 0x10FD, 0x10FF} /* Cn */,
{ 0x115A, 0x115E} /* Cn */, { 0x11A3, 0x11A7} /* Cn */,
{ 0x11FA, 0x11FF} /* Cn */, { 0x1249, 0x1249} /* Cn */,
{ 0x124E, 0x124F} /* Cn */, { 0x1257, 0x1257} /* Cn */,
{ 0x1259, 0x1259} /* Cn */, { 0x125E, 0x125F} /* Cn */,
{ 0x1289, 0x1289} /* Cn */, { 0x128E, 0x128F} /* Cn */,
{ 0x12B1, 0x12B1} /* Cn */, { 0x12B6, 0x12B7} /* Cn */,
{ 0x12BF, 0x12BF} /* Cn */, { 0x12C1, 0x12C1} /* Cn */,
{ 0x12C6, 0x12C7} /* Cn */, { 0x12D7, 0x12D7} /* Cn */,
{ 0x1311, 0x1311} /* Cn */, { 0x1316, 0x1317} /* Cn */,
{ 0x135B, 0x135E} /* Cn */, { 0x137D, 0x137F} /* Cn */,
{ 0x139A, 0x139F} /* Cn */, { 0x13F5, 0x1400} /* Cn */,
{ 0x1677, 0x167F} /* Cn */, { 0x169D, 0x169F} /* Cn */,
{ 0x16F1, 0x16FF} /* Cn */, { 0x170D, 0x170D} /* Cn */,
{ 0x1715, 0x171F} /* Cn */, { 0x1737, 0x173F} /* Cn */,
{ 0x1754, 0x175F} /* Cn */, { 0x176D, 0x176D} /* Cn */,
{ 0x1771, 0x1771} /* Cn */, { 0x1774, 0x177F} /* Cn */,
#if 0
{ 0x17B4, 0x17B5} /* Cf */,
#endif
{ 0x17DE, 0x17DF} /* Cn */, { 0x17EA, 0x17EF} /* Cn */,
{ 0x17FA, 0x17FF} /* Cn */, { 0x180F, 0x180F} /* Cn */,
{ 0x181A, 0x181F} /* Cn */, { 0x1878, 0x187F} /* Cn */,
{ 0x18AA, 0x18FF} /* Cn */, { 0x191D, 0x191F} /* Cn */,
{ 0x192C, 0x192F} /* Cn */, { 0x193C, 0x193F} /* Cn */,
{ 0x1941, 0x1943} /* Cn */, { 0x196E, 0x196F} /* Cn */,
{ 0x1975, 0x197F} /* Cn */, { 0x19AA, 0x19AF} /* Cn */,
{ 0x19CA, 0x19CF} /* Cn */, { 0x19DA, 0x19DD} /* Cn */,
{ 0x1A1C, 0x1A1D} /* Cn */, { 0x1A20, 0x1AFF} /* Cn */,
{ 0x1B4C, 0x1B4F} /* Cn */, { 0x1B7D, 0x1CFF} /* Cn */,
{ 0x1DCB, 0x1DFD} /* Cn */, { 0x1E9C, 0x1E9F} /* Cn */,
{ 0x1EFA, 0x1EFF} /* Cn */, { 0x1F16, 0x1F17} /* Cn */,
{ 0x1F1E, 0x1F1F} /* Cn */, { 0x1F46, 0x1F47} /* Cn */,
{ 0x1F4E, 0x1F4F} /* Cn */, { 0x1F58, 0x1F58} /* Cn */,
{ 0x1F5A, 0x1F5A} /* Cn */, { 0x1F5C, 0x1F5C} /* Cn */,
{ 0x1F5E, 0x1F5E} /* Cn */, { 0x1F7E, 0x1F7F} /* Cn */,
{ 0x1FB5, 0x1FB5} /* Cn */, { 0x1FC5, 0x1FC5} /* Cn */,
{ 0x1FD4, 0x1FD5} /* Cn */, { 0x1FDC, 0x1FDC} /* Cn */,
{ 0x1FF0, 0x1FF1} /* Cn */, { 0x1FF5, 0x1FF5} /* Cn */,
{ 0x1FFF, 0x1FFF} /* Cn */,
{ 0x200B, 0x200F} /* Cf */,
{ 0x2028, 0x2028} /* Zl */,
{ 0x2029, 0x2029} /* Zp */,
{ 0x202A, 0x202E} /* Cf */,
{ 0x2060, 0x2063} /* Cf */,
{ 0x2064, 0x2069} /* Cn */,
{ 0x206A, 0x206F} /* Cf */,
{ 0x2072, 0x2073} /* Cn */, { 0x208F, 0x208F} /* Cn */,
{ 0x2095, 0x209F} /* Cn */, { 0x20B6, 0x20CF} /* Cn */,
{ 0x20F0, 0x20FF} /* Cn */, { 0x214F, 0x2152} /* Cn */,
{ 0x2185, 0x218F} /* Cn */, { 0x23E8, 0x23FF} /* Cn */,
{ 0x2427, 0x243F} /* Cn */, { 0x244B, 0x245F} /* Cn */,
{ 0x269D, 0x269F} /* Cn */, { 0x26B3, 0x2700} /* Cn */,
{ 0x2705, 0x2705} /* Cn */, { 0x270A, 0x270B} /* Cn */,
{ 0x2728, 0x2728} /* Cn */, { 0x274C, 0x274C} /* Cn */,
{ 0x274E, 0x274E} /* Cn */, { 0x2753, 0x2755} /* Cn */,
{ 0x2757, 0x2757} /* Cn */, { 0x275F, 0x2760} /* Cn */,
{ 0x2795, 0x2797} /* Cn */, { 0x27B0, 0x27B0} /* Cn */,
{ 0x27BF, 0x27BF} /* Cn */, { 0x27CB, 0x27CF} /* Cn */,
{ 0x27EC, 0x27EF} /* Cn */, { 0x2B1B, 0x2B1F} /* Cn */,
{ 0x2B24, 0x2BFF} /* Cn */, { 0x2C2F, 0x2C2F} /* Cn */,
{ 0x2C5F, 0x2C5F} /* Cn */, { 0x2C6D, 0x2C73} /* Cn */,
{ 0x2C78, 0x2C7F} /* Cn */, { 0x2CEB, 0x2CF8} /* Cn */,
{ 0x2D26, 0x2D2F} /* Cn */, { 0x2D66, 0x2D6E} /* Cn */,
{ 0x2D70, 0x2D7F} /* Cn */, { 0x2D97, 0x2D9F} /* Cn */,
{ 0x2DA7, 0x2DA7} /* Cn */, { 0x2DAF, 0x2DAF} /* Cn */,
{ 0x2DB7, 0x2DB7} /* Cn */, { 0x2DBF, 0x2DBF} /* Cn */,
{ 0x2DC7, 0x2DC7} /* Cn */, { 0x2DCF, 0x2DCF} /* Cn */,
{ 0x2DD7, 0x2DD7} /* Cn */, { 0x2DDF, 0x2DFF} /* Cn */,
{ 0x2E18, 0x2E1B} /* Cn */, { 0x2E1E, 0x2E7F} /* Cn */,
{ 0x2E9A, 0x2E9A} /* Cn */, { 0x2EF4, 0x2EFF} /* Cn */,
{ 0x2FD6, 0x2FEF} /* Cn */, { 0x2FFC, 0x2FFF} /* Cn */,
{ 0x3040, 0x3040} /* Cn */, { 0x3097, 0x3098} /* Cn */,
{ 0x3100, 0x3104} /* Cn */, { 0x312D, 0x3130} /* Cn */,
{ 0x318F, 0x318F} /* Cn */, { 0x31B8, 0x31BF} /* Cn */,