-/*
- * Copyright (C) 1996-2002, Index Data
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Id: charmap.c,v 1.23 2002-07-25 13:06:44 adam Exp $
- *
- */
+/* $Id: charmap.c,v 1.28 2004-03-09 15:12:15 adam Exp $
+ Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004
+ Index Data Aps
+
+This file is part of the Zebra server.
+
+Zebra 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, or (at your option) any later
+version.
+
+Zebra 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 Zebra; see the file LICENSE.zebra. If not, write to the
+Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
+*/
+
+
/*
* Support module to handle character-conversions into and out of the
#include <string.h>
#include <assert.h>
-#if HAVE_ICONV_H
-#include <iconv.h>
-#else
-typedef int iconv_t;
-static size_t iconv(iconv_t t, char **buf, size_t *inbytesleft,
- char **outbuf, size_t *outbytesleft)
-{
- return -1;
-}
-#endif
-
typedef unsigned ucs4_t;
#include <yaz/yaz-util.h>
return c;
}
+static int zebra_ucs4_strlen(ucs4_t *s)
+{
+ int i = 0;
+ while (*s++)
+ i++;
+ return i;
+}
+
ucs4_t zebra_prim_w(ucs4_t **s)
{
ucs4_t c;
case 't': c = '\t'; (*s)++; break;
case 's': c = ' '; (*s)++; break;
case 'x':
- fmtstr[0] = (*s)[0];
- fmtstr[1] = (*s)[1];
- fmtstr[2] = (*s)[2];
- fmtstr[3] = 0;
- sscanf(fmtstr, "x%2x", &i);
- c = i;
- *s += 3; break;
+ if (zebra_ucs4_strlen(*s) >= 3)
+ {
+ fmtstr[0] = (*s)[1];
+ fmtstr[1] = (*s)[2];
+ fmtstr[2] = 0;
+ sscanf(fmtstr, "%x", &i);
+ c = i;
+ *s += 3;
+ }
+ break;
case '0':
case '1':
case '2':
case '7':
case '8':
case '9':
- fmtstr[0] = (*s)[0];
- fmtstr[1] = (*s)[1];
- fmtstr[2] = (*s)[2];
- fmtstr[3] = 0;
- sscanf(fmtstr, "%3o", &i);
- c = i;
- *s += 3;
+ if (zebra_ucs4_strlen(*s) >= 3)
+ {
+ fmtstr[0] = (*s)[0];
+ fmtstr[1] = (*s)[1];
+ fmtstr[2] = (*s)[2];
+ fmtstr[3] = 0;
+ sscanf(fmtstr, "%o", &i);
+ c = i;
+ *s += 3;
+ }
break;
+ case 'L':
+ if (zebra_ucs4_strlen(*s) >= 5)
+ {
+ fmtstr[0] = (*s)[1];
+ fmtstr[1] = (*s)[2];
+ fmtstr[2] = (*s)[3];
+ fmtstr[3] = (*s)[4];
+ fmtstr[4] = 0;
+ sscanf(fmtstr, "%x", &i);
+ c = i;
+ *s += 5;
+ }
+ break;
default:
(*s)++;
}
logf (LOG_DEBUG, " %3d", (unsigned char) *s);
}
-static int scan_to_utf8 (iconv_t t, ucs4_t *from, size_t inlen,
+static int scan_to_utf8 (yaz_iconv_t t, ucs4_t *from, size_t inlen,
char *outbuf, size_t outbytesleft)
{
size_t inbytesleft = inlen * sizeof(ucs4_t);
char *inbuf = (char*) from;
size_t ret;
- if (t == (iconv_t)(-1))
+ if (t == 0)
*outbuf++ = *from; /* ISO-8859-1 is OK here */
else
{
- size_t i;
- for (i = 0; i<inlen; i++)
- yaz_log (LOG_LOG, "%08X", from[i]);
- ret = iconv (t, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+ ret = yaz_iconv (t, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
if (ret == (size_t) (-1))
{
+ yaz_log(LOG_LOG, "from: %2X %2X %2X %2X",
+ from[0], from[1], from[2], from[3]);
yaz_log (LOG_WARN|LOG_ERRNO, "bad unicode sequence");
- for (i = 0; i<inlen; i++)
- yaz_log (LOG_LOG, "%08X", from[i]);
return -1;
}
}
}
static int scan_string(char *s_native,
- iconv_t t_unicode, iconv_t t_utf8,
+ yaz_iconv_t t_unicode, yaz_iconv_t t_utf8,
void (*fun)(const char *c, void *data, int num),
void *data, int *num)
{
ucs4_t arg[512];
ucs4_t *s0, *s = arg;
ucs4_t c, begin, end;
- size_t i, j;
+ size_t i;
- if (t_unicode != (iconv_t)(-1))
+ if (t_unicode != 0)
{
char *outbuf = (char *) arg;
char *inbuf = s_native;
size_t outbytesleft = sizeof(arg)-4;
size_t inbytesleft = strlen(s_native);
- size_t ret;
- ret = iconv(t_unicode, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+ size_t ret;
+ ret = yaz_iconv(t_unicode, &inbuf, &inbytesleft,
+ &outbuf, &outbytesleft);
if (ret == (size_t)(-1))
return -1;
i = (outbuf - (char*) arg)/sizeof(ucs4_t);
- yaz_log (LOG_LOG, "to unicode");
}
else
{
for (i = 0; s_native[i]; i++)
arg[i] = s_native[i] & 255; /* ISO-8859-1 conversion */
- yaz_log (LOG_LOG, "to virtual unicode");
}
arg[i] = 0; /* terminate */
- for (j = 0; j<i; j++)
- yaz_log (LOG_LOG, " %d %8X %d %c", j, arg[j], arg[j],
- (arg[j] > 33 && arg[j] < 127) ? arg[j] : '?');
if (s[0] == 0xfeff || s[0] == 0xfeff) /* skip byte Order Mark */
s++;
while (*s)
int errors = 0;
int argc, num = (int) *CHR_BASE, i;
NMEM nmem;
- iconv_t t_unicode = (iconv_t)(-1);
- iconv_t t_utf8 = (iconv_t)(-1);
+ yaz_iconv_t t_unicode = 0;
+ yaz_iconv_t t_utf8 = 0;
unsigned endian = 31;
const char *ucs4_native = "UCS-4";
if (*(char*) &endian == 31) /* little endian? */
ucs4_native = "UCS-4LE";
-#if HAVE_ICONV_H
- t_utf8 = iconv_open ("UTF-8", ucs4_native);
-#endif
+ t_utf8 = yaz_iconv_open ("UTF-8", ucs4_native);
+
logf (LOG_DEBUG, "maptab %s open", name);
if (!(f = yaz_fopen(tabpath, name, "r", tabroot)))
{
}
else if (!yaz_matchstr(argv[0], "encoding"))
{
-#if HAVE_ICONV_H
- if (t_unicode != (iconv_t)(-1))
- iconv_close (t_unicode);
- t_unicode = iconv_open (ucs4_native, argv[1]);
-#else
- logf (LOG_WARN, "Encoding ignored. iconv not installed");
+ /*
+ * Fix me. When t_unicode==0 and use encoding directive in *.chr file the beheviour of the
+ * zebra need to comment next part of code.
+ */
+
+ /* Original code */
+#if 1
+ if (t_unicode != 0)
+ yaz_iconv_close (t_unicode);
+ t_unicode = yaz_iconv_open (ucs4_native, argv[1]);
+#endif
+ /*
+ * Fix me. It is additional staff for conversion of characters from local encoding
+ * of *.chr file to UTF-8 (internal encoding).
+ * NOTE: The derective encoding must be first directive in *.chr file.
+ */
+ /* For whatever reason Oleg enabled this.. */
+#if 0
+ if (t_utf8 != 0)
+ yaz_iconv_close(t_utf8);
+ t_utf8 = yaz_iconv_open ("UTF-8", argv[1]);
#endif
}
else
res = 0;
}
logf (LOG_DEBUG, "maptab %s close %d errors", name, errors);
-#if HAVE_ICONV_H
- if (t_utf8 != (iconv_t)(-1))
- iconv_close(t_utf8);
- if (t_unicode != (iconv_t)(-1))
- iconv_close(t_unicode);
-#endif
+ if (t_utf8 != 0)
+ yaz_iconv_close(t_utf8);
+ if (t_unicode != 0)
+ yaz_iconv_close(t_unicode);
return res;
}