aboutsummaryrefslogtreecommitdiffstats
path: root/jnlib/utf8conv.c
diff options
context:
space:
mode:
Diffstat (limited to 'jnlib/utf8conv.c')
-rw-r--r--jnlib/utf8conv.c448
1 files changed, 0 insertions, 448 deletions
diff --git a/jnlib/utf8conv.c b/jnlib/utf8conv.c
deleted file mode 100644
index 691176766..000000000
--- a/jnlib/utf8conv.c
+++ /dev/null
@@ -1,448 +0,0 @@
-/* utf8conf.c - UTF8 character set conversion
- * Copyright (C) 1994, 1998, 1999, 2000, 2001,
- * 2003 Free Software Foundation, Inc.
- *
- * This file is part of GnuPG.
- *
- * GnuPG is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * GnuPG is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#include <config.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-#include <ctype.h>
-#ifdef HAVE_LANGINFO_CODESET
-#include <langinfo.h>
-#endif
-
-#include "libjnlib-config.h"
-#include "stringhelp.h"
-#include "utf8conv.h"
-
-
-static ushort koi8_unicode[128] = {
- 0x2500, 0x2502, 0x250c, 0x2510, 0x2514, 0x2518, 0x251c, 0x2524,
- 0x252c, 0x2534, 0x253c, 0x2580, 0x2584, 0x2588, 0x258c, 0x2590,
- 0x2591, 0x2592, 0x2593, 0x2320, 0x25a0, 0x2219, 0x221a, 0x2248,
- 0x2264, 0x2265, 0x00a0, 0x2321, 0x00b0, 0x00b2, 0x00b7, 0x00f7,
- 0x2550, 0x2551, 0x2552, 0x0451, 0x2553, 0x2554, 0x2555, 0x2556,
- 0x2557, 0x2558, 0x2559, 0x255a, 0x255b, 0x255c, 0x255d, 0x255e,
- 0x255f, 0x2560, 0x2561, 0x0401, 0x2562, 0x2563, 0x2564, 0x2565,
- 0x2566, 0x2567, 0x2568, 0x2569, 0x256a, 0x256b, 0x256c, 0x00a9,
- 0x044e, 0x0430, 0x0431, 0x0446, 0x0434, 0x0435, 0x0444, 0x0433,
- 0x0445, 0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e,
- 0x043f, 0x044f, 0x0440, 0x0441, 0x0442, 0x0443, 0x0436, 0x0432,
- 0x044c, 0x044b, 0x0437, 0x0448, 0x044d, 0x0449, 0x0447, 0x044a,
- 0x042e, 0x0410, 0x0411, 0x0426, 0x0414, 0x0415, 0x0424, 0x0413,
- 0x0425, 0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e,
- 0x041f, 0x042f, 0x0420, 0x0421, 0x0422, 0x0423, 0x0416, 0x0412,
- 0x042c, 0x042b, 0x0417, 0x0428, 0x042d, 0x0429, 0x0427, 0x042a
-};
-
-static ushort latin2_unicode[128] = {
- 0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
- 0x0088, 0x0089, 0x008A, 0x008B, 0x008C, 0x008D, 0x008E, 0x008F,
- 0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
- 0x0098, 0x0099, 0x009A, 0x009B, 0x009C, 0x009D, 0x009E, 0x009F,
- 0x00A0, 0x0104, 0x02D8, 0x0141, 0x00A4, 0x013D, 0x015A, 0x00A7,
- 0x00A8, 0x0160, 0x015E, 0x0164, 0x0179, 0x00AD, 0x017D, 0x017B,
- 0x00B0, 0x0105, 0x02DB, 0x0142, 0x00B4, 0x013E, 0x015B, 0x02C7,
- 0x00B8, 0x0161, 0x015F, 0x0165, 0x017A, 0x02DD, 0x017E, 0x017C,
- 0x0154, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0139, 0x0106, 0x00C7,
- 0x010C, 0x00C9, 0x0118, 0x00CB, 0x011A, 0x00CD, 0x00CE, 0x010E,
- 0x0110, 0x0143, 0x0147, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x00D7,
- 0x0158, 0x016E, 0x00DA, 0x0170, 0x00DC, 0x00DD, 0x0162, 0x00DF,
- 0x0155, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x013A, 0x0107, 0x00E7,
- 0x010D, 0x00E9, 0x0119, 0x00EB, 0x011B, 0x00ED, 0x00EE, 0x010F,
- 0x0111, 0x0144, 0x0148, 0x00F3, 0x00F4, 0x0151, 0x00F6, 0x00F7,
- 0x0159, 0x016F, 0x00FA, 0x0171, 0x00FC, 0x00FD, 0x0163, 0x02D9
-};
-
-
-static const char *active_charset_name = "iso-8859-1";
-static ushort *active_charset = NULL;
-static int no_translation = 0;
-
-int
-set_native_charset (const char *newset)
-{
- if (!newset)
-#ifdef HAVE_LANGINFO_CODESET
- newset = nl_langinfo (CODESET);
-#else
- newset = "8859-1";
-#endif
-
- if (strlen (newset) > 3 && !ascii_memcasecmp (newset, "iso", 3))
- {
- newset += 3;
- if (*newset == '-' || *newset == '_')
- newset++;
- }
-
- if (!*newset
- || !ascii_strcasecmp (newset, "8859-1")
- || !ascii_strcasecmp (newset, "8859-15"))
- {
- active_charset_name = "iso-8859-1";
- no_translation = 0;
- active_charset = NULL;
- }
- else if (!ascii_strcasecmp (newset, "8859-2"))
- {
- active_charset_name = "iso-8859-2";
- no_translation = 0;
- active_charset = latin2_unicode;
- }
- else if (!ascii_strcasecmp (newset, "koi8-r"))
- {
- active_charset_name = "koi8-r";
- no_translation = 0;
- active_charset = koi8_unicode;
- }
- else if (!ascii_strcasecmp (newset, "utf8")
- || !ascii_strcasecmp (newset, "utf-8"))
- {
- active_charset_name = "utf-8";
- no_translation = 1;
- active_charset = NULL;
- }
- else
- return -1;
- return 0;
-}
-
-const char *
-get_native_charset ()
-{
- return active_charset_name;
-}
-
-/****************
- * Convert string, which is in native encoding to UTF8 and return the
- * new allocated UTF8 string.
- */
-char *
-native_to_utf8 (const char *string)
-{
- const byte *s;
- char *buffer;
- byte *p;
- size_t length = 0;
-
- if (no_translation)
- {
- buffer = jnlib_xstrdup (string);
- }
- else if (active_charset)
- {
- for (s = string; *s; s++)
- {
- length++;
- if (*s & 0x80)
- length += 2; /* we may need 3 bytes */
- }
- buffer = jnlib_xmalloc (length + 1);
- for (p = buffer, s = string; *s; s++)
- {
- if ((*s & 0x80))
- {
- ushort val = active_charset[*s & 0x7f];
- if (val < 0x0800)
- {
- *p++ = 0xc0 | ((val >> 6) & 0x1f);
- *p++ = 0x80 | (val & 0x3f);
- }
- else
- {
- *p++ = 0xe0 | ((val >> 12) & 0x0f);
- *p++ = 0x80 | ((val >> 6) & 0x3f);
- *p++ = 0x80 | (val & 0x3f);
- }
- }
- else
- *p++ = *s;
- }
- *p = 0;
- }
- else
- {
- for (s = string; *s; s++)
- {
- length++;
- if (*s & 0x80)
- length++;
- }
- buffer = jnlib_xmalloc (length + 1);
- for (p = buffer, s = string; *s; s++)
- {
- if (*s & 0x80)
- {
- *p++ = 0xc0 | ((*s >> 6) & 3);
- *p++ = 0x80 | (*s & 0x3f);
- }
- else
- *p++ = *s;
- }
- *p = 0;
- }
- return buffer;
-}
-
-
-/* Convert string, which is in UTF8 to native encoding. Replace
- * illegal encodings by some "\xnn" and quote all control
- * characters. A character with value DELIM will always be quoted, it
- * must be a vanilla ASCII character. */
-char *
-utf8_to_native (const char *string, size_t length, int delim)
-{
- int nleft;
- int i;
- byte encbuf[8];
- int encidx;
- const byte *s;
- size_t n;
- byte *buffer = NULL, *p = NULL;
- unsigned long val = 0;
- size_t slen;
- int resync = 0;
-
- /* 1. pass (p==NULL): count the extended utf-8 characters */
- /* 2. pass (p!=NULL): create string */
- for (;;)
- {
- for (slen = length, nleft = encidx = 0, n = 0, s = string; slen;
- s++, slen--)
- {
- if (resync)
- {
- if (!(*s < 128 || (*s >= 0xc0 && *s <= 0xfd)))
- {
- /* still invalid */
- if (p)
- {
- sprintf (p, "\\x%02x", *s);
- p += 4;
- }
- n += 4;
- continue;
- }
- resync = 0;
- }
- if (!nleft)
- {
- if (!(*s & 0x80))
- { /* plain ascii */
- if (*s < 0x20 || *s == 0x7f || *s == delim ||
- (delim && *s == '\\'))
- {
- n++;
- if (p)
- *p++ = '\\';
- switch (*s)
- {
- case '\n':
- n++;
- if (p)
- *p++ = 'n';
- break;
- case '\r':
- n++;
- if (p)
- *p++ = 'r';
- break;
- case '\f':
- n++;
- if (p)
- *p++ = 'f';
- break;
- case '\v':
- n++;
- if (p)
- *p++ = 'v';
- break;
- case '\b':
- n++;
- if (p)
- *p++ = 'b';
- break;
- case 0:
- n++;
- if (p)
- *p++ = '0';
- break;
- default:
- n += 3;
- if (p)
- {
- sprintf (p, "x%02x", *s);
- p += 3;
- }
- break;
- }
- }
- else
- {
- if (p)
- *p++ = *s;
- n++;
- }
- }
- else if ((*s & 0xe0) == 0xc0)
- { /* 110x xxxx */
- val = *s & 0x1f;
- nleft = 1;
- encidx = 0;
- encbuf[encidx++] = *s;
- }
- else if ((*s & 0xf0) == 0xe0)
- { /* 1110 xxxx */
- val = *s & 0x0f;
- nleft = 2;
- encidx = 0;
- encbuf[encidx++] = *s;
- }
- else if ((*s & 0xf8) == 0xf0)
- { /* 1111 0xxx */
- val = *s & 0x07;
- nleft = 3;
- encidx = 0;
- encbuf[encidx++] = *s;
- }
- else if ((*s & 0xfc) == 0xf8)
- { /* 1111 10xx */
- val = *s & 0x03;
- nleft = 4;
- encidx = 0;
- encbuf[encidx++] = *s;
- }
- else if ((*s & 0xfe) == 0xfc)
- { /* 1111 110x */
- val = *s & 0x01;
- nleft = 5;
- encidx = 0;
- encbuf[encidx++] = *s;
- }
- else
- { /* invalid encoding: print as \xnn */
- if (p)
- {
- sprintf (p, "\\x%02x", *s);
- p += 4;
- }
- n += 4;
- resync = 1;
- }
- }
- else if (*s < 0x80 || *s >= 0xc0)
- { /* invalid */
- if (p)
- {
- for (i = 0; i < encidx; i++)
- {
- sprintf (p, "\\x%02x", encbuf[i]);
- p += 4;
- }
- sprintf (p, "\\x%02x", *s);
- p += 4;
- }
- n += 4 + 4 * encidx;
- nleft = 0;
- encidx = 0;
- resync = 1;
- }
- else
- {
- encbuf[encidx++] = *s;
- val <<= 6;
- val |= *s & 0x3f;
- if (!--nleft)
- { /* ready */
- if (no_translation)
- {
- if (p)
- {
- for (i = 0; i < encidx; i++)
- *p++ = encbuf[i];
- }
- n += encidx;
- encidx = 0;
- }
- else if (active_charset)
- { /* table lookup */
- for (i = 0; i < 128; i++)
- {
- if (active_charset[i] == val)
- break;
- }
- if (i < 128)
- { /* we can print this one */
- if (p)
- *p++ = i + 128;
- n++;
- }
- else
- { /* we do not have a translation: print utf8 */
- if (p)
- {
- for (i = 0; i < encidx; i++)
- {
- sprintf (p, "\\x%02x", encbuf[i]);
- p += 4;
- }
- }
- n += encidx * 4;
- encidx = 0;
- }
- }
- else
- { /* native set */
- if (val >= 0x80 && val < 256)
- {
- n++; /* we can simply print this character */
- if (p)
- *p++ = val;
- }
- else
- { /* we do not have a translation: print utf8 */
- if (p)
- {
- for (i = 0; i < encidx; i++)
- {
- sprintf (p, "\\x%02x", encbuf[i]);
- p += 4;
- }
- }
- n += encidx * 4;
- encidx = 0;
- }
- }
- }
-
- }
- }
- if (!buffer)
- { /* allocate the buffer after the first pass */
- buffer = p = jnlib_xmalloc (n + 1);
- }
- else
- {
- *p = 0; /* make a string */
- return buffer;
- }
- }
-}