-/*
- * Copyright (C) 1994, Index Data I/S
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: res.c,v $
- * Revision 1.22 1998-01-12 15:04:32 adam
- * Removed exit - call.
- *
- * Revision 1.21 1997/11/18 10:04:03 adam
- * Function res_trav returns number of 'hits'.
- *
- * Revision 1.20 1997/10/31 12:39:15 adam
- * Resouce name can be terminated with either white-space or colon.
- *
- * Revision 1.19 1997/10/27 14:27:59 adam
- * Fixed memory leak.
- *
- * Revision 1.18 1997/09/17 12:19:24 adam
- * Zebra version corresponds to YAZ version 1.4.
- * Changed Zebra server so that it doesn't depend on global common_resource.
- *
- * Revision 1.17 1997/09/09 13:38:19 adam
- * Partial port to WIN95/NT.
- *
- * Revision 1.16 1996/10/29 13:47:49 adam
- * Implemented res_get_match. Updated to use zebrautl instead of alexpath.
- *
- * Revision 1.15 1996/05/22 08:23:43 adam
- * Bug fix: trailing blanks in resource values where not removed.
- *
- * Revision 1.14 1996/04/26 11:51:20 adam
- * Resource names are matched by the yaz_matchstr routine instead of strcmp.
- *
- * Revision 1.13 1995/09/04 12:34:05 adam
- * Various cleanup. YAZ util used instead.
- *
- * Revision 1.12 1995/01/24 16:40:32 adam
- * Bug fix.
- *
- * Revision 1.11 1994/10/05 16:54:52 adam
- * Minor changes.
- *
- * Revision 1.10 1994/10/05 10:47:31 adam
- * Small bug fix.
- *
- * Revision 1.9 1994/09/16 14:41:12 quinn
- * Added log warning to res_get_def
- *
- * Revision 1.8 1994/09/16 14:37:12 quinn
- * added res_get_def
- *
- * Revision 1.7 1994/09/06 13:01:03 quinn
- * Removed const from declaration of res_get
- *
- * Revision 1.6 1994/09/01 17:45:14 adam
- * Work on resource manager.
- *
- * Revision 1.5 1994/08/18 11:02:28 adam
- * Implementation of res_write.
- *
- * Revision 1.4 1994/08/18 10:02:01 adam
- * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
- *
- * Revision 1.3 1994/08/18 09:43:51 adam
- * Development of resource manager. Only missing is res_write.
- *
- * Revision 1.2 1994/08/18 08:23:26 adam
- * Res.c now use handles. xmalloc defines xstrdup.
- *
- * Revision 1.1 1994/08/17 15:34:23 adam
- * Initial version of resource manager.
- *
- */
+/* This file is part of the Zebra server.
+ Copyright (C) 1994-2011 Index Data
+
+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 this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+*/
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
-#ifdef WINDOWS
+#ifdef WIN32
#include <io.h>
-#else
+#endif
+#if HAVE_UNISTD_H
#include <unistd.h>
#endif
-#include <zebrautl.h>
-#include <yaz-util.h>
+#include <yaz/tokenizer.h>
+#include <yaz/yaz-util.h>
+#include <idzebra/res.h>
+
+#define YLOG_RES 0
+
+struct res_entry {
+ char *name;
+ char *value;
+ struct res_entry *next;
+};
+
+struct res_struct {
+ int ref_count;
+ struct res_entry *first, *last;
+ Res def_res;
+ Res over_res;
+};
+
+static Res res_incref(Res r)
+{
+ if (r)
+ r->ref_count++;
+ return r;
+}
-static struct res_entry *add_entry (Res r)
+static struct res_entry *add_entry(Res r)
{
struct res_entry *resp;
if (!r->first)
- resp = r->last = r->first = xmalloc (sizeof(*resp));
+ resp = r->last = r->first =
+ (struct res_entry *) xmalloc(sizeof(*resp));
else
{
- resp = xmalloc (sizeof(*resp));
+ resp = (struct res_entry *) xmalloc(sizeof(*resp));
r->last->next = resp;
r->last = resp;
}
return resp;
}
-static void reread (Res r)
+static char *xstrdup_env(const char *src)
{
- struct res_entry *resp;
- char *line;
- char *val_buf;
- int val_size, val_max = 256;
- char fr_buf[1024];
- FILE *fr;
+ int i = 0;
+ int j = 0;
+ char *dst;
+ int env_strlen = 0;
+
+ while (src[i])
+ {
+ if (src[i] == '$' && src[i+1] == '{')
+ {
+ char envname[128];
+ char *env_val;
+ int k = 0;
+ i = i + 2;
+ while (k < 127 && src[i] && !strchr(":}\n\r\f", src[i]))
+ envname[k++] = src[i++];
+ envname[k] = '\0';
- assert (r);
- r->init = 1;
+ env_val = getenv(envname);
+ if (env_val)
+ env_strlen += 1 + strlen(env_val);
+ else
+ env_strlen++;
+ while (src[i] && !strchr("}\n\r\f", src[i]))
+ i++;
+ if (src[i] == '}')
+ i++;
+ }
+ else
+ i++;
+ }
+ dst = xmalloc(1 + env_strlen + i);
+ i = 0;
+ while (src[i])
+ {
+ if (src[i] == '$' && src[i+1] == '{')
+ {
+ char envname[128];
+ char *env_val;
+ int k = 0;
+ i = i + 2;
+ while(k < 127 && src[i] && !strchr(":}\n\r\f", src[i]))
+ envname[k++] = src[i++];
+ envname[k] = '\0';
+ env_val = getenv(envname);
+ if (env_val)
+ {
+ strcpy(dst+j, env_val);
+ j += strlen(env_val);
+ }
+ else if (src[i] == ':' && src[i+1] == '-')
+ {
+ i = i + 2;
+ while (src[i] && !strchr("}\n\r\f", src[i]))
+ dst[j++] = src[i++];
+ }
+ while (src[i] && !strchr("}\n\r\f", src[i]))
+ i++;
+ if (src[i] == '}')
+ i++;
+ }
+ else
+ dst[j++] = src[i++];
+ }
+ dst[j] = '\0';
+ return dst;
+}
+
+ZEBRA_RES res_read_file(Res r, const char *fname)
+{
+ FILE *fr;
+ int errors = 0;
- val_buf = xmalloc (val_max);
+ assert(r);
- fr = fopen (r->name, "r");
+ fr = fopen(fname, "r");
if (!fr)
{
- logf (LOG_WARN|LOG_ERRNO, "Cannot open %s", r->name);
- return ;
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "Cannot open `%s'", fname);
+ errors++;
}
- while (1)
+ else
{
- line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
- if (!line)
- break;
- if (*line == '#')
- {
- int no = 0;
-
- while (fr_buf[no] && fr_buf[no] != '\n')
- no++;
- fr_buf[no] = '\0';
-
- resp = add_entry (r);
- resp->name = xmalloc (no+1);
- resp->value = NULL;
- strcpy (resp->name, fr_buf);
- }
- else
+ char fr_buf[1024];
+ char *line;
+ int lineno = 1;
+ WRBUF wrbuf_val = wrbuf_alloc();
+ yaz_tok_cfg_t yt = yaz_tok_cfg_create();
+
+ while ((line = fgets(fr_buf, sizeof(fr_buf)-1, fr)))
{
- int no = 0;
- while (1)
+ yaz_tok_parse_t tp = yaz_tok_parse_buf(yt, line);
+ int t = yaz_tok_move(tp);
+
+ if (t == YAZ_TOK_STRING)
{
- if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
+ size_t sz;
+ struct res_entry *resp;
+ const char *cp = yaz_tok_parse_string(tp);
+ const char *cp1 = strchr(cp, ':');
+
+ if (!cp1)
{
- no = 0;
+ yaz_log(YLOG_FATAL, "%s:%d missing colon after '%s'",
+ fname, lineno, cp);
+ errors++;
break;
}
- if (strchr (": \t", fr_buf[no]))
- break;
- no++;
- }
- if (!no)
- continue;
- fr_buf[no++] = '\0';
- resp = add_entry (r);
- resp->name = xmalloc (no);
- strcpy (resp->name, fr_buf);
-
- while (strchr (" \t", fr_buf[no]))
- no++;
- val_size = 0;
- while (1)
- {
- if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
+ resp = add_entry(r);
+ sz = cp1 - cp;
+ resp->name = xmalloc(sz + 1);
+ memcpy(resp->name, cp, sz);
+ resp->name[sz] = '\0';
+
+ wrbuf_rewind(wrbuf_val);
+
+ if (cp1[1])
{
- while (val_size > 0 &&
- (val_buf[val_size-1] == ' ' ||
- val_buf[val_size-1] == '\t'))
- val_size--;
- val_buf[val_size++] = '\0';
- resp->value = xmalloc (val_size);
- strcpy (resp->value, val_buf);
- logf (LOG_DEBUG, "(name=%s,value=%s)",
- resp->name, resp->value);
- break;
+ /* name:value */
+ wrbuf_puts(wrbuf_val, cp1+1);
}
- else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
+ else
{
- line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
- if (!line)
+ /* name: value */
+ t = yaz_tok_move(tp);
+
+ if (t != YAZ_TOK_STRING)
{
- resp->value = xmalloc (val_size);
- strcpy (resp->value, val_buf);
+ resp->value = xstrdup("");
+ yaz_log(YLOG_FATAL, "%s:%d missing value after '%s'",
+ fname, lineno, resp->name);
+ errors++;
break;
}
- no = 0;
+ wrbuf_puts(wrbuf_val, yaz_tok_parse_string(tp));
}
- else
+ while ((t=yaz_tok_move(tp)) == YAZ_TOK_STRING)
{
- val_buf[val_size++] = fr_buf[no++];
- if (val_size+1 >= val_max)
- {
- char *nb;
-
- nb = xmalloc (val_max+=1024);
- memcpy (nb, val_buf, val_size);
- xfree (val_buf);
- val_buf = nb;
- }
+ wrbuf_putc(wrbuf_val, ' ');
+ wrbuf_puts(wrbuf_val, yaz_tok_parse_string(tp));
}
+ resp->value = xstrdup_env(wrbuf_cstr(wrbuf_val));
+ /* printf("name=%s value=%s\n", resp->name, resp->value); */
}
- }
- }
- xfree (val_buf);
- fclose (fr);
+ lineno++;
+ yaz_tok_parse_destroy(tp);
+ }
+ fclose(fr);
+ yaz_tok_cfg_destroy(yt);
+ wrbuf_destroy(wrbuf_val);
+ }
+ if (errors)
+ return ZEBRA_FAIL;
+ return ZEBRA_OK;
}
-Res res_open (const char *name)
+Res res_open(Res def_res, Res over_res)
{
Res r;
-#ifdef WINDOWS
- if (access (name, 4))
-#else
- if (access (name, R_OK))
-#endif
+ r = (Res) xmalloc(sizeof(*r));
+
+ r->ref_count = 1;
+ r->first = r->last = NULL;
+ r->def_res = res_incref(def_res);
+ r->over_res = res_incref(over_res);
+ return r;
+}
+
+void res_clear(Res r)
+{
+ struct res_entry *re, *re1;
+ for (re = r->first; re; re=re1)
{
- logf (LOG_LOG|LOG_ERRNO, "Cannot access resource file `%s'", name);
- return NULL;
+ if (re->name)
+ xfree(re->name);
+ if (re->value)
+ xfree(re->value);
+ re1 = re->next;
+ xfree(re);
}
- r = xmalloc (sizeof(*r));
- r->init = 0;
r->first = r->last = NULL;
- r->name = xstrdup (name);
- return r;
}
-void res_close (Res r)
+void res_close(Res r)
{
- assert (r);
- if (r->init)
+ if (r && --(r->ref_count) == 0)
{
- struct res_entry *re, *re1;
- for (re = r->first; re; re=re1)
- {
- if (re->name)
- xfree (re->name);
- if (re->value)
- xfree (re->value);
- re1 = re->next;
- xfree (re);
- }
+ res_clear(r);
+ res_close(r->def_res);
+ res_close(r->over_res);
+ xfree(r);
}
- xfree (r->name);
- xfree (r);
}
-char *res_get (Res r, const char *name)
+const char *res_get_prefix(Res r, const char *name, const char *prefix,
+ const char *def)
+{
+ const char *v = 0;;
+ if (prefix)
+ {
+ char rname[128];
+
+ if (strlen(name) + strlen(prefix) >= (sizeof(rname)-2))
+ return 0;
+ strcpy(rname, prefix);
+ strcat(rname, ".");
+ strcat(rname, name);
+ v = res_get(r, rname);
+ }
+ if (!v)
+ v = res_get(r, name);
+ if (!v)
+ v = def;
+ return v;
+}
+
+const char *res_get(Res r, const char *name)
{
struct res_entry *re;
+ const char *v;
+
+ if (!r)
+ return 0;
+
+ v = res_get(r->over_res, name);
+ if (v)
+ return v;
- assert (r);
- if (!r->init)
- reread (r);
for (re = r->first; re; re=re->next)
- if (re->value && !yaz_matchstr (re->name, name))
+ if (re->value && !yaz_matchstr(re->name, name))
return re->value;
- return NULL;
+
+ return res_get(r->def_res, name);
}
-char *res_get_def (Res r, const char *name, char *def)
+const char *res_get_def(Res r, const char *name, const char *def)
{
- char *t;
+ const char *t;
- if (!(t = res_get (r, name)))
+ if (!(t = res_get(r, name)))
{
- logf (LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
+ if (def)
+ yaz_log(YLOG_DEBUG, "Using default resource %s:%s", name, def);
return def;
}
else
return t;
}
-int res_get_match (Res r, const char *name, const char *value, const char *s)
+int res_get_match(Res r, const char *name, const char *value, const char *s)
{
- const char *cn = res_get (r, name);
+ const char *cn = res_get(r, name);
- if (cn && !yaz_matchstr (cn, value))
+ if (!cn)
+ cn = s;
+ if (cn && !yaz_matchstr(cn, value))
return 1;
return 0;
}
-void res_put (Res r, const char *name, const char *value)
+void res_set(Res r, const char *name, const char *value)
{
struct res_entry *re;
- assert (r);
- if (!r->init)
- reread (r);
+ assert(r);
+ if (!value)
+ return;
for (re = r->first; re; re=re->next)
- if (re->value && !yaz_matchstr (re->name, name))
+ if (re->value && !yaz_matchstr(re->name, name))
{
- xfree (re->value);
- re->value = xstrdup (value);
+ xfree(re->value);
+ re->value = xstrdup_env(value);
return;
}
- re = add_entry (r);
- re->name = xstrdup (name);
- re->value = xstrdup (value);
+ re = add_entry(r);
+ re->name = xstrdup(name);
+ re->value = xstrdup_env(value);
}
-int res_trav (Res r, const char *prefix, void *p,
- void (*f)(void *p, const char *name, const char *value))
+int res_trav(Res r, const char *prefix, void *p,
+ void (*f)(void *p, const char *name, const char *value))
{
struct res_entry *re;
int l = 0;
int no = 0;
- assert (r);
+ if (!r)
+ return 0;
+ no = res_trav(r->over_res, prefix, p, f);
+ if (no)
+ return no;
if (prefix)
l = strlen(prefix);
- if (!r->init)
- reread (r);
for (re = r->first; re; re=re->next)
if (re->value)
- if (l==0 || !memcmp (re->name, prefix, l))
+ if (l==0 || !memcmp(re->name, prefix, l))
{
(*f)(p, re->name, re->value);
no++;
}
+ if (!no)
+ return res_trav(r->def_res, prefix, p, f);
return no;
}
-int res_write (Res r)
+ZEBRA_RES res_write_file(Res r, const char *fname)
{
struct res_entry *re;
FILE *fr;
- assert (r);
- if (!r->init)
- reread (r);
- fr = fopen (r->name, "w");
+ assert(r);
+ fr = fopen(fname, "w");
if (!fr)
{
- logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", r->name);
- exit (1);
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "Cannot create `%s'", fname);
+ return ZEBRA_FAIL;
}
for (re = r->first; re; re=re->next)
int lefts = strlen(re->name)+2;
if (!re->value)
- fprintf (fr, "%s\n", re->name);
+ fprintf(fr, "%s\n", re->name);
else
{
- fprintf (fr, "%s: ", re->name);
+ fprintf(fr, "%s: ", re->name);
while (lefts + strlen(re->value+no) > 78)
{
int i = 20;
if (i<0)
ind = no + 78 - lefts;
for (i = no; i != ind; i++)
- putc (re->value[i], fr);
- fprintf (fr, "\\\n");
+ putc(re->value[i], fr);
+ fprintf(fr, "\\\n");
no=ind;
lefts = 0;
}
- fprintf (fr, "%s\n", re->value+no);
+ fprintf(fr, "%s\n", re->value+no);
}
}
- fclose (fr);
- return 0;
+ fclose(fr);
+ return ZEBRA_OK;
+}
+
+ZEBRA_RES res_get_int(Res r, const char *name, int *val)
+{
+ const char *cp = res_get(r, name);
+ if (cp)
+ {
+ if (sscanf(cp, "%d", val) == 1)
+ return ZEBRA_OK;
+ yaz_log(YLOG_WARN, "Expected integer for resource %s", name);
+ }
+ return ZEBRA_FAIL;
}
+void res_add(Res r, const char *name, const char *value)
+{
+ struct res_entry *re;
+ assert(r);
+ assert(name);
+ assert(value);
+ yaz_log(YLOG_RES, "res_add res=%p, name=%s, value=%s", r, name, value);
+ re = add_entry(r);
+ re->name = xstrdup(name);
+ re->value = xstrdup_env(value);
+}
+
+void res_dump(Res r, int level)
+{
+ struct res_entry *re;
+
+ if (!r)
+ return;
+
+ for (re = r->first; re; re=re->next) {
+ printf("%*s - %s:='%s'\n",level * 4,"",re->name,re->value);
+ }
+
+ if (r->def_res) {
+ printf("%*s DEF ",level * 4,"");
+ res_dump(r->def_res, level + 1);
+ }
+
+ if (r->over_res) {
+ printf("%*s OVER ",level * 4,"");
+ res_dump(r->over_res, level + 1);
+ }
+}
+
+int res_check(Res r_i, Res r_v)
+{
+ struct res_entry *e_i;
+ int errors = 0;
+
+ for (e_i = r_i->first; e_i; e_i = e_i->next)
+ {
+ struct res_entry *e_v;
+ for (e_v = r_v->first; e_v; e_v = e_v->next)
+ {
+ int prefix_allowed = 0;
+ int suffix_allowed = 0;
+ const char *name = e_i->name;
+ size_t name_len = strlen(e_i->name);
+ char namez[32];
+ const char *first_dot = 0;
+ const char *second_dot = 0;
+
+ if (strchr(e_v->value, 'p'))
+ prefix_allowed = 1;
+ if (strchr(e_v->value, 's'))
+ suffix_allowed = 1;
+
+ first_dot = strchr(name, '.');
+ if (prefix_allowed && first_dot)
+ {
+ name = first_dot+1;
+ name_len = strlen(name);
+ }
+ second_dot = strchr(name, '.');
+ if (suffix_allowed && second_dot)
+ {
+ name_len = second_dot - name;
+ }
+ if (name_len < sizeof(namez)-1)
+ {
+ memcpy(namez, name, name_len);
+ namez[name_len] = '\0';
+ if (!yaz_matchstr(namez, e_v->name))
+ break;
+ }
+ /* for case 'a.b' we have to check 'a' as well */
+ if (prefix_allowed && suffix_allowed && first_dot && !second_dot)
+ {
+ name = e_i->name;
+ name_len = first_dot - name;
+ if (name_len < sizeof(namez)-1)
+ {
+ memcpy(namez, name, name_len);
+ namez[name_len] = '\0';
+ if (!yaz_matchstr(namez, e_v->name))
+ break;
+ }
+ }
+ }
+ if (!e_v)
+ {
+ yaz_log(YLOG_WARN, "The following setting is unrecognized: %s",
+ e_i->name);
+ errors++;
+ }
+ }
+ return errors;
+}
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
projects / idzebra-moved-to-github.git / blobdiff