-/*
- * Copyright (C) 1994, Index Data I/S
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: charmap.c,v $
- * Revision 1.8 1996-10-18 12:39:23 adam
- * Uses LOG_DEBUG instead of LOG_WARN for "Character map overlap".
- *
- * Revision 1.7 1996/06/06 12:08:56 quinn
- * Fixed bug.
- *
- * Revision 1.6 1996/06/04 13:28:00 quinn
- * More work on charmapping
- *
- * Revision 1.5 1996/06/04 08:32:15 quinn
- * Moved default keymap to keychars.c
- *
- * Revision 1.4 1996/06/03 16:32:13 quinn
- * Temporary bug-fix
- *
- * Revision 1.3 1996/06/03 15:17:46 quinn
- * Fixed bug.
- *
- * Revision 1.2 1996/06/03 10:15:09 quinn
- * Fixed bug in mapping function.
- *
- * Revision 1.1 1996/05/31 09:07:18 quinn
- * Work on character-set handling
- *
- *
- */
+/* $Id: charmap.c,v 1.35 2005-01-16 23:14:58 adam Exp $
+ Copyright (C) 1995-2005
+ 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 <ctype.h>
#include <string.h>
+#include <stdlib.h>
#include <assert.h>
-#include <alexutil.h>
-#include <yaz-util.h>
+typedef unsigned ucs4_t;
+
#include <charmap.h>
-#include <tpath.h>
+
+#include <yaz/yaz-util.h>
#define CHR_MAXSTR 1024
#define CHR_MAXEQUIV 32
+const unsigned char CHR_FIELD_BEGIN = '^';
+
const char *CHR_UNKNOWN = "\001";
const char *CHR_SPACE = "\002";
-const char *CHR_BASE = "\003";
+const char *CHR_CUT = "\003";
+const char *CHR_BASE = "\005";
-extern char *data1_tabpath;
+struct chrmaptab_info
+{
+ chr_t_entry *input; /* mapping table for input data */
+ chr_t_entry *q_input; /* mapping table for queries */
+ unsigned char *output[256]; /* return mapping - for display of registers */
+ int base_uppercase; /* Start of upper-case ordinals */
+ NMEM nmem;
+};
/*
* Character map trie node.
*/
struct chr_t_entry
{
- chr_t_entry **children; /* array of children */
- unsigned char *target; /* target for this node, if any */
- unsigned char *equiv; /* equivalent to, or sumthin */
+ chr_t_entry **children; /* array of children */
+ unsigned char **target; /* target for this node, if any */
};
/*
*/
typedef struct chrwork
{
- chrmaptab *map;
+ chrmaptab map;
char string[CHR_MAXSTR+1];
} chrwork;
/*
* Add an entry to the character map.
*/
-static chr_t_entry *set_map_string(chr_t_entry *root, char *from, int len,
- char *to)
+static chr_t_entry *set_map_string(chr_t_entry *root, NMEM nmem,
+ const char *from, int len, char *to,
+ const char *from_0)
{
+ if (!from_0)
+ from_0 = from;
if (!root)
{
- root = xmalloc(sizeof(*root));
+ root = (chr_t_entry *) nmem_malloc(nmem, sizeof(*root));
root->children = 0;
root->target = 0;
}
if (!len)
{
- if (!root->target || (char*) root->target == CHR_SPACE ||
- (char*) root->target == CHR_UNKNOWN)
- root->target = (unsigned char *) xstrdup(to);
- else if ((char*) to != CHR_SPACE)
- logf(LOG_DEBUG, "Character map overlap");
+ if (!root->target || !root->target[0] || strcmp(root->target[0], to))
+ {
+ if (from_0 &&
+ root->target && root->target[0] && root->target[0][0] &&
+ strcmp (root->target[0], CHR_UNKNOWN))
+ {
+ yaz_log (YLOG_WARN, "duplicate entry for charmap from '%s'",
+ from_0);
+ }
+ root->target = (unsigned char **)
+ nmem_malloc(nmem, sizeof(*root->target)*2);
+ root->target[0] = (unsigned char *) nmem_strdup(nmem, to);
+ root->target[1] = 0;
+ }
}
else
{
{
int i;
- root->children = xmalloc(sizeof(chr_t_entry*) * 256);
+ root->children = (chr_t_entry **)
+ nmem_malloc(nmem, sizeof(chr_t_entry*) * 256);
for (i = 0; i < 256; i++)
root->children[i] = 0;
}
if (!(root->children[(unsigned char) *from] =
- set_map_string(root->children[(unsigned char) *from], from + 1,
- len - 1, to)))
+ set_map_string(root->children[(unsigned char) *from], nmem,
+ from + 1, len - 1, to, from_0)))
return 0;
}
return root;
}
-int chr_map_chrs(chr_t_entry *t, char **from, int len, int *read, char **to,
- int max)
+static chr_t_entry *find_entry(chr_t_entry *t, const char **from, int len)
{
- int i = 0;
- unsigned char *s;
+ chr_t_entry *res;
- while (len && t->children && t->children[(unsigned char) **from])
+ if (len && t->children && t->children[(unsigned char) **from])
{
- t = t->children[(unsigned char) **from];
+ const char *pos = *from;
+
(*from)++;
- len--;
- }
- /* if there were no matches, we are still at the root node,
- which always has a null mapping */
- for (s = t->target; *s && max; s++)
- {
- **to = *s;
- s++;
- (*to)++;
- max--;
- i++;
+ if ((res = find_entry(t->children[(unsigned char) *pos],
+ from, len - 1)))
+ return res;
+ /* no match */
+ *from = pos;
}
- return i;
+ /* no children match. use ourselves, if we have a target */
+ return t->target ? t : 0;
}
-#if 1
-
-static chr_t_entry *find_entry(chr_t_entry *t, char **from, int len)
+static chr_t_entry *find_entry_x(chr_t_entry *t, const char **from, int *len, int first)
{
chr_t_entry *res;
- if (t->children && t->children[(unsigned char) **from])
+ while (*len <= 0)
+ { /* switch to next buffer */
+ if (*len < 0)
+ break;
+ from++;
+ len++;
+ }
+ if (*len > 0 && t->children)
{
- char *pos = *from;
+ const char *old_from = *from;
+ int old_len = *len;
- (*from)++;
- if ((res = find_entry(t->children[(unsigned char) *pos],
- from, len - 1)))
- return res;
- /* no match */
- *from = pos;
+ res = 0;
+
+ if (first && t->children[CHR_FIELD_BEGIN])
+ {
+ if ((res = find_entry_x(t->children[CHR_FIELD_BEGIN], from, len, 0)) && res != t->children[CHR_FIELD_BEGIN])
+ return res;
+ else
+ res = 0;
+ /* otherwhise there was no match on beginning of field, move on */
+ }
+
+ if (!res && t->children[(unsigned char) **from])
+ {
+ (*len)--;
+ (*from)++;
+ if ((res = find_entry_x(t->children[(unsigned char) *old_from],
+ from, len, 0)))
+ return res;
+ /* no match */
+ *len = old_len;
+ *from = old_from;
+ }
}
/* no children match. use ourselves, if we have a target */
- return t->target ? t : 0;
+ return t->target ? t : 0;
}
-char **chr_map_input(chr_t_entry *t, char **from, int len)
+const char **chr_map_input_x(chrmaptab maptab, const char **from, int *len, int first)
{
- static char *buf[2] = {0, 0};
+ chr_t_entry *t = maptab->input;
chr_t_entry *res;
- if (!(res = find_entry(t, from, len)))
+ if (!(res = find_entry_x(t, from, len, first)))
abort();
- buf[0] = (char *) res->target;
- return buf;
+ return (const char **) (res->target);
}
-#else
+const char **chr_map_input(chrmaptab maptab, const char **from, int len, int first)
+{
+ chr_t_entry *t = maptab->input;
+ chr_t_entry *res;
+ int len_tmp[2];
+
+ len_tmp[0] = len;
+ len_tmp[1] = -1;
+ if (!(res = find_entry_x(t, from, len_tmp, first)))
+ abort();
+ return (const char **) (res->target);
+}
-char **chr_map_input(chr_t_entry *t, char **from, int len)
+const char *chr_map_output(chrmaptab maptab, const char **from, int len)
{
- static char *buf[2] = {0, 0}, str[2] = {0, 0};
- char *start = *from;
+ unsigned char c = ** (unsigned char **) from;
+ (*from)++;
+ return (const char*) maptab->output[c];
+}
- if (t)
+unsigned char zebra_prim(char **s)
+{
+ unsigned char c;
+ unsigned int i = 0;
+
+ yaz_log (YLOG_DEBUG, "prim %.3s", *s);
+ if (**s == '\\')
{
- while (len && t->children && t->children[(unsigned char) **from])
- {
- t = t->children[(unsigned char) **from];
- (*from)++;
- len--;
- }
- buf[0] = (char*) t->target;
+ (*s)++;
+ c = **s;
+ switch (c)
+ {
+ case '\\': c = '\\'; (*s)++; break;
+ case 'r': c = '\r'; (*s)++; break;
+ case 'n': c = '\n'; (*s)++; break;
+ case 't': c = '\t'; (*s)++; break;
+ case 's': c = ' '; (*s)++; break;
+ case 'x': sscanf(*s, "x%2x", &i); c = i; *s += 3; break;
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ sscanf(*s, "%3o", &i);
+ c = i;
+ *s += 3;
+ break;
+ default:
+ (*s)++;
+ }
}
- else /* null mapping */
+ else
{
- if (isalnum(**from))
- {
- str[0] = **from;
- buf[0] = str;
- }
- else if (isspace(**from))
- buf[0] = (char*) CHR_SPACE;
- else
- buf[0] = (char*) CHR_UNKNOWN;
+ c = **s;
+ ++(*s);
}
- if (start == *from)
- (*from)++;
- return buf;
- /* return (char*) t->target; */
+ return c;
}
-#endif
+static int zebra_ucs4_strlen(ucs4_t *s)
+{
+ int i = 0;
+ while (*s++)
+ i++;
+ return i;
+}
-static unsigned char prim(char **s)
+ucs4_t zebra_prim_w(ucs4_t **s)
{
- unsigned char c;
- unsigned int i;
+ ucs4_t c;
+ ucs4_t i = 0;
+ char fmtstr[8];
+ yaz_log (YLOG_DEBUG, "prim_w %.3s", (char *) *s);
if (**s == '\\')
{
(*s)++;
c = **s;
switch (c)
{
- case '\\': c = '\\'; (*s)++; break;
- case 'r': c = '\r'; (*s)++; break;
- case 'n': c = '\n'; (*s)++; break;
- case 't': c = '\t'; (*s)++; break;
- case 's': c = ' '; (*s)++; break;
- case 'x': sscanf(*s, "x%2x", &i); c = i; *s += 3; break;
- case '{': case '[': case '(': case '}': case ']': case ')':
- (*s)++;
- break;
- default: sscanf(*s, "%3o", &i); c = i; *s += 3; break;
+ case '\\': c = '\\'; (*s)++; break;
+ case 'r': c = '\r'; (*s)++; break;
+ case 'n': c = '\n'; (*s)++; break;
+ case 't': c = '\t'; (*s)++; break;
+ case 's': c = ' '; (*s)++; break;
+ case 'x':
+ 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 '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ 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)++;
}
- return c;
}
- c = **s;
- ++(*s);
+ else
+ {
+ c = **s;
+ ++(*s);
+ }
+ yaz_log (YLOG_DEBUG, "out %d", c);
return c;
}
* Callback function.
* Add an entry to the value space.
*/
-static void fun_addentry(char *s, void *data, int num)
+static void fun_addentry(const char *s, void *data, int num)
{
- chrmaptab *tab = data;
+ chrmaptab tab = (chrmaptab) data;
char tmp[2];
-
+
tmp[0] = num; tmp[1] = '\0';
- tab->input = set_map_string(tab->input, s, strlen(s), tmp);
- tab->output[num + tab->base_uppercase] = (unsigned char *) xstrdup(s);
+ tab->input = set_map_string(tab->input, tab->nmem, s, strlen(s), tmp, 0);
+ tab->output[num + tab->base_uppercase] =
+ (unsigned char *) nmem_strdup(tab->nmem, s);
}
/*
* Callback function.
* Add a space-entry to the value space.
*/
-static void fun_addspace(char *s, void *data, int num)
+static void fun_addspace(const char *s, void *data, int num)
{
- chrmaptab *tab = data;
- tab->input = set_map_string(tab->input, s, strlen(s), (char*) CHR_SPACE);
+ chrmaptab tab = (chrmaptab) data;
+ tab->input = set_map_string(tab->input, tab->nmem, s, strlen(s),
+ (char*) CHR_SPACE, 0);
+}
+
+/*
+ * Callback function.
+ * Add a space-entry to the value space.
+ */
+static void fun_addcut(const char *s, void *data, int num)
+{
+ chrmaptab tab = (chrmaptab) data;
+ tab->input = set_map_string(tab->input, tab->nmem, s, strlen(s),
+ (char*) CHR_CUT, 0);
}
/*
* Create a string containing the mapped characters provided.
*/
-static void fun_mkstring(char *s, void *data, int num)
+static void fun_mkstring(const char *s, void *data, int num)
{
- chrwork *arg = data;
- char **res, *p = s;
+ chrwork *arg = (chrwork *) data;
+ const char **res, *p = s;
- res = chr_map_input(arg->map->input, &s, strlen(s));
+ res = chr_map_input(arg->map, &s, strlen(s), 0);
if (*res == (char*) CHR_UNKNOWN)
- logf(LOG_WARN, "Map: '%s' has no mapping", p);
+ yaz_log(YLOG_WARN, "Map: '%s' has no mapping", p);
strncat(arg->string, *res, CHR_MAXSTR - strlen(arg->string));
arg->string[CHR_MAXSTR] = '\0';
}
/*
* Add a map to the string contained in the argument.
*/
-static void fun_addmap(char *s, void *data, int num)
+static void fun_add_map(const char *s, void *data, int num)
{
- chrwork *arg = data;
+ chrwork *arg = (chrwork *) data;
assert(arg->map->input);
- set_map_string(arg->map->input, s, strlen(s), arg->string);
+ yaz_log (YLOG_DEBUG, "set map %.*s", (int) strlen(s), s);
+ set_map_string(arg->map->input, arg->map->nmem, s, strlen(s), arg->string,
+ 0);
+ for (s = arg->string; *s; s++)
+ yaz_log (YLOG_DEBUG, " %3d", (unsigned char) *s);
}
-static int scan_string(char *s, void (*fun)(char *c, void *data, int num),
- void *data, int *num)
+/*
+ * Add a query map to the string contained in the argument.
+ */
+static void fun_add_qmap(const char *s, void *data, int num)
{
- unsigned char c, str[1024], begin, end, *p;
+ chrwork *arg = (chrwork *) data;
+
+ assert(arg->map->q_input);
+ yaz_log (YLOG_DEBUG, "set qmap %.*s", (int) strlen(s), s);
+ set_map_string(arg->map->q_input, arg->map->nmem, s,
+ strlen(s), arg->string, 0);
+ for (s = arg->string; *s; s++)
+ yaz_log (YLOG_DEBUG, " %3d", (unsigned char) *s);
+}
+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 == 0)
+ *outbuf++ = *from; /* ISO-8859-1 is OK here */
+ else
+ {
+ ret = yaz_iconv (t, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+ if (ret == (size_t) (-1))
+ {
+ yaz_log(YLOG_LOG, "from: %2X %2X %2X %2X",
+ from[0], from[1], from[2], from[3]);
+ yaz_log (YLOG_WARN|YLOG_ERRNO, "bad unicode sequence");
+ return -1;
+ }
+ }
+ *outbuf = '\0';
+ return 0;
+}
+
+static int scan_string(char *s_native,
+ yaz_iconv_t t_unicode, yaz_iconv_t t_utf8,
+ void (*fun)(const char *c, void *data, int num),
+ void *data, int *num)
+{
+ char str[1024];
+
+ ucs4_t arg[512];
+ ucs4_t arg_prim[512];
+ ucs4_t *s0, *s = arg;
+ ucs4_t c, begin, end;
+ size_t i;
+
+ 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 = yaz_iconv(t_unicode, &inbuf, &inbytesleft,
+ &outbuf, &outbytesleft);
+ if (ret == (size_t)(-1))
+ return -1;
+ i = (outbuf - (char*) arg)/sizeof(ucs4_t);
+ }
+ else
+ {
+ for (i = 0; s_native[i]; i++)
+ arg[i] = s_native[i] & 255; /* ISO-8859-1 conversion */
+ }
+ arg[i] = 0; /* terminate */
+ if (s[0] == 0xfeff || s[0] == 0xfeff) /* skip byte Order Mark */
+ s++;
while (*s)
{
switch (*s)
{
- case '{':
- s++;
- begin = prim(&s);
- if (*s != '-')
- {
- logf(LOG_FATAL, "Bad range in char-map");
- return -1;
- }
- s++;
- end = prim(&s);
- if (end <= begin)
- {
- logf(LOG_FATAL, "Bad range in char-map");
- return -1;
- }
- s++;
- for (c = begin; c <= end; c++)
- {
- str[0] = c; str[1] = '\0';
- (*fun)((char *) str, data, num ? (*num)++ : 0);
- }
- break;
- case '[': s++; abort(); break;
- case '(':
- p = (unsigned char*) ++s;
- /* Find the end-marker, ignoring escapes */
- do
- {
- if (!(p = (unsigned char*) strchr((char*) p, ')')))
- {
- logf(LOG_FATAL, "Missing ')' in string");
- return -1;
- }
- }
- while (*(p - 1) == '\\');
- *p = 0;
- (*fun)(s, data, num ? (*num)++ : 0);
- s = (char*) p + 1;
- break;
- default:
- c = prim(&s);
- str[0] = c; str[1] = '\0';
- (*fun)((char *) str, data, num ? (*num)++ : 0);
+ case '{':
+ s++;
+ begin = zebra_prim_w(&s);
+ if (*s != '-')
+ {
+ yaz_log(YLOG_FATAL, "Bad range in char-map");
+ return -1;
+ }
+ s++;
+ end = zebra_prim_w(&s);
+ if (end <= begin)
+ {
+ yaz_log(YLOG_FATAL, "Bad range in char-map");
+ return -1;
+ }
+ s++;
+ for (c = begin; c <= end; c++)
+ {
+ if (scan_to_utf8 (t_utf8, &c, 1, str, sizeof(str)-1))
+ return -1;
+ (*fun)(str, data, num ? (*num)++ : 0);
+ }
+ break;
+ case '[': s++; abort(); break;
+ case '(':
+ ++s;
+ s0 = s; i = 0;
+ while (*s != ')' || s[-1] == '\\')
+ arg_prim[i++] = zebra_prim_w(&s);
+ arg_prim[i] = 0;
+ if (scan_to_utf8 (t_utf8, arg_prim, zebra_ucs4_strlen(arg_prim), str, sizeof(str)-1))
+ return -1;
+ (*fun)(str, data, num ? (*num)++ : 0);
+ s++;
+ break;
+ default:
+ c = zebra_prim_w(&s);
+ if (scan_to_utf8 (t_utf8, &c, 1, str, sizeof(str)-1))
+ return -1;
+ (*fun)(str, data, num ? (*num)++ : 0);
}
}
return 0;
}
-chrmaptab *chr_read_maptab(char *name)
+chrmaptab chrmaptab_create(const char *tabpath, const char *name, int map_only,
+ const char *tabroot)
{
FILE *f;
char line[512], *argv[50];
- chrmaptab *res = xmalloc(sizeof(*res));
+ chrmaptab res;
+ int lineno = 0;
+ int errors = 0;
int argc, num = (int) *CHR_BASE, i;
+ NMEM nmem;
+ 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 (!(f = yaz_path_fopen(data1_tabpath, name, "r")))
+ t_utf8 = yaz_iconv_open ("UTF-8", ucs4_native);
+
+ yaz_log (YLOG_DEBUG, "maptab %s open", name);
+ if (!(f = yaz_fopen(tabpath, name, "r", tabroot)))
{
- logf(LOG_WARN|LOG_ERRNO, "%s", name);
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "%s", name);
return 0;
}
- res = xmalloc(sizeof(*res));
- res->input = xmalloc(sizeof(*res->input));
- res->input->target = (unsigned char*) CHR_UNKNOWN;
- res->input->equiv = 0;
-#if 1
- res->input->children = xmalloc(sizeof(res->input) * 256);
+ nmem = nmem_create ();
+ res = (chrmaptab) nmem_malloc(nmem, sizeof(*res));
+ res->nmem = nmem;
+ res->input = (chr_t_entry *) nmem_malloc(res->nmem, sizeof(*res->input));
+ res->input->target = (unsigned char **)
+ nmem_malloc(res->nmem, sizeof(*res->input->target) * 2);
+ res->input->target[0] = (unsigned char*) CHR_UNKNOWN;
+ res->input->target[1] = 0;
+ res->input->children = (chr_t_entry **)
+ nmem_malloc(res->nmem, sizeof(res->input) * 256);
for (i = 0; i < 256; i++)
{
- res->input->children[i] = xmalloc(sizeof(*res->input));
+ res->input->children[i] = (chr_t_entry *)
+ nmem_malloc(res->nmem, sizeof(*res->input));
res->input->children[i]->children = 0;
- res->input->children[i]->target = (unsigned char*) CHR_UNKNOWN;
- res->input->children[i]->equiv = 0;
+ res->input->children[i]->target = (unsigned char **)
+ nmem_malloc (res->nmem, 2 * sizeof(unsigned char *));
+ res->input->children[i]->target[1] = 0;
+ if (map_only)
+ {
+ res->input->children[i]->target[0] = (unsigned char *)
+ nmem_malloc (res->nmem, 2 * sizeof(unsigned char));
+ res->input->children[i]->target[0][0] = i;
+ res->input->children[i]->target[0][1] = 0;
+ }
+ else
+ res->input->children[i]->target[0] = (unsigned char*) CHR_UNKNOWN;
}
-#else
- res->input->children = 0;
-#endif
- res->query_equiv = 0;
+ res->q_input = (chr_t_entry *)
+ nmem_malloc(res->nmem, sizeof(*res->q_input));
+ res->q_input->target = 0;
+ res->q_input->children = 0;
+
for (i = *CHR_BASE; i < 256; i++)
res->output[i] = 0;
res->output[(int) *CHR_SPACE] = (unsigned char *) " ";
res->output[(int) *CHR_UNKNOWN] = (unsigned char*) "@";
res->base_uppercase = 0;
- while ((argc = readconf_line(f, line, 512, argv, 50)))
- if (!yaz_matchstr(argv[0], "lowercase"))
+ while (!errors && (argc = readconf_line(f, &lineno, line, 512, argv, 50)))
+ if (!map_only && !yaz_matchstr(argv[0], "lowercase"))
{
if (argc != 2)
{
- logf(LOG_FATAL, "Syntax error in charmap");
- fclose(f);
- return 0;
+ yaz_log(YLOG_FATAL, "Syntax error in charmap");
+ ++errors;
}
- if (scan_string(argv[1], fun_addentry, res, &num) < 0)
+ if (scan_string(argv[1], t_unicode, t_utf8, fun_addentry,
+ res, &num) < 0)
{
- logf(LOG_FATAL, "Bad value-set specification");
- fclose(f);
- return 0;
+ yaz_log(YLOG_FATAL, "Bad value-set specification");
+ ++errors;
}
res->base_uppercase = num;
res->output[(int) *CHR_SPACE + num] = (unsigned char *) " ";
res->output[(int) *CHR_UNKNOWN + num] = (unsigned char*) "@";
num = (int) *CHR_BASE;
}
- else if (!yaz_matchstr(argv[0], "uppercase"))
+ else if (!map_only && !yaz_matchstr(argv[0], "uppercase"))
{
if (!res->base_uppercase)
{
- logf(LOG_FATAL, "Uppercase directive with no lowercase set");
- fclose(f);
- return 0;
+ yaz_log(YLOG_FATAL, "Uppercase directive with no lowercase set");
+ ++errors;
}
if (argc != 2)
{
- logf(LOG_FATAL, "Syntax error in charmap");
- fclose(f);
- return 0;
+ yaz_log(YLOG_FATAL, "Missing arg for uppercase directive");
+ ++errors;
}
- if (scan_string(argv[1], fun_addentry, res, &num) < 0)
+ if (scan_string(argv[1], t_unicode, t_utf8, fun_addentry,
+ res, &num) < 0)
{
- logf(LOG_FATAL, "Bad value-set specification");
- fclose(f);
- return 0;
+ yaz_log(YLOG_FATAL, "Bad value-set specification");
+ ++errors;
}
}
- else if (!yaz_matchstr(argv[0], "space"))
+ else if (!map_only && !yaz_matchstr(argv[0], "space"))
{
if (argc != 2)
{
- logf(LOG_FATAL, "Syntax error in charmap");
- fclose(f);
- return 0;
+ yaz_log(YLOG_FATAL, "Syntax error in charmap for space");
+ ++errors;
}
- if (scan_string(argv[1], fun_addspace, res, 0) < 0)
+ if (scan_string(argv[1], t_unicode, t_utf8,
+ fun_addspace, res, 0) < 0)
{
- logf(LOG_FATAL, "Bad space specification");
- fclose(f);
- return 0;
+ yaz_log(YLOG_FATAL, "Bad space specification");
+ ++errors;
+ }
+ }
+ else if (!map_only && !yaz_matchstr(argv[0], "cut"))
+ {
+ if (argc != 2)
+ {
+ yaz_log(YLOG_FATAL, "Syntax error in charmap for cut");
+ ++errors;
+ }
+ if (scan_string(argv[1], t_unicode, t_utf8,
+ fun_addcut, res, 0) < 0)
+ {
+ yaz_log(YLOG_FATAL, "Bad cut specification");
+ ++errors;
}
}
else if (!yaz_matchstr(argv[0], "map"))
if (argc != 3)
{
- logf(LOG_FATAL, "charmap MAP directive requires 2 args");
- fclose(f);
- return 0;
+ yaz_log(YLOG_FATAL, "charmap directive map requires 2 args");
+ ++errors;
}
buf.map = res;
buf.string[0] = '\0';
- if (scan_string(argv[2], fun_mkstring, &buf, 0) < 0)
+ if (scan_string(argv[2], t_unicode, t_utf8,
+ fun_mkstring, &buf, 0) < 0)
{
- logf(LOG_FATAL, "Bad map target");
- fclose(f);
- return 0;
+ yaz_log(YLOG_FATAL, "Bad map target");
+ ++errors;
}
- if (scan_string(argv[1], fun_addmap, &buf, 0) < 0)
+ if (scan_string(argv[1], t_unicode, t_utf8,
+ fun_add_map, &buf, 0) < 0)
{
- logf(LOG_FATAL, "Bad map source");
- fclose(f);
- return 0;
+ yaz_log(YLOG_FATAL, "Bad map source");
+ ++errors;
}
}
- else
+ else if (!yaz_matchstr(argv[0], "qmap"))
{
+ chrwork buf;
+
+ if (argc != 3)
+ {
+ yaz_log(YLOG_FATAL, "charmap directive qmap requires 2 args");
+ ++errors;
+ }
+ buf.map = res;
+ buf.string[0] = '\0';
+ if (scan_string(argv[2], t_unicode, t_utf8,
+ fun_mkstring, &buf, 0) < 0)
+ {
+ yaz_log(YLOG_FATAL, "Bad qmap target");
+ ++errors;
+ }
+ if (scan_string(argv[1], t_unicode, t_utf8,
+ fun_add_qmap, &buf, 0) < 0)
+ {
+ yaz_log(YLOG_FATAL, "Bad qmap source");
+ ++errors;
+ }
+ }
+ else if (!yaz_matchstr(argv[0], "encoding"))
+ {
+ /*
+ * 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
- logf(LOG_WARN, "Syntax error at '%s' in %s", line, file);
- fclose(f);
- return 0;
+ if (t_utf8 != 0)
+ yaz_iconv_close(t_utf8);
+ t_utf8 = yaz_iconv_open ("UTF-8", argv[1]);
#endif
+ }
+ else
+ {
+ yaz_log(YLOG_WARN, "Syntax error at '%s' in %s", line, name);
}
- fclose(f);
+
+ yaz_fclose(f);
+ if (errors)
+ {
+ chrmaptab_destroy(res);
+ res = 0;
+ }
+ yaz_log (YLOG_DEBUG, "maptab %s close %d errors", name, errors);
+ if (t_utf8 != 0)
+ yaz_iconv_close(t_utf8);
+ if (t_unicode != 0)
+ yaz_iconv_close(t_unicode);
return res;
}
+
+void chrmaptab_destroy(chrmaptab tab)
+{
+ if (tab)
+ nmem_destroy (tab->nmem);
+}
+
+