SRW, CQL, 2003

[yaz-moved-to-github.git] / odr / odr_oct.c

diff --git a/odr/odr_oct.c b/odr/odr_oct.c
index c825983..73b7088 100644 (file)
--- a/odr/odr_oct.c
+++ b/odr/odr_oct.c
@@ -1,47 +1,206 @@
 /*
- * Copyright (C) 1994, Index Data I/S 
- * All rights reserved.
+ * Copyright (c) 1995-2003, Index Data
+ * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
- * $Log: odr_oct.c,v $
- * Revision 1.1  1995-02-02 16:21:54  quinn
- * First kick.
- *
+ * $Id: odr_oct.c,v 1.20 2003-01-06 08:20:27 adam Exp $
  */
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
 
-#include <odr.h>
+#include <yaz/log.h>
+#include "odr-priv.h"
 
 /*
  * Top level octet string en/decoder.
  * Returns 1 on success, 0 on error.
  */
-int odr_octetstring(ODR o, ODR_OCT **p, int opt)
+int odr_octetstring(ODR o, Odr_oct **p, int opt, const char *name)
 {
     int res, cons = 0;
 
+    if (o->error)
+       return 0;
     if (o->t_class < 0)
     {
        o->t_class = ODR_UNIVERSAL;
        o->t_tag = ODR_OCTETSTRING;
     }
-    if ((res = ber_tag(o, *p, o->t_class, o->t_tag, &cons)) < 0)
+    if ((res = ber_tag(o, p, o->t_class, o->t_tag, &cons, opt)) < 0)
        return 0;
     if (!res)
-    {
-       *p = 0;
        return opt;
-    }
     if (o->direction == ODR_PRINT)
     {
-       fprintf(o->print, "OCTETSTRING(len=%d)\n", (*p)->len);
+        int i;
+       odr_prname(o, name);
+       fprintf(o->print, "OCTETSTRING(len=%d)", (*p)->len);
+        for (i = 0; i<(*p)->len; i++)
+        {
+           if (i < 5 || i > ((*p)->len - 4))
+            {
+                fprintf (o->print, " %02X", (*p)->buf[i]);
+            }
+            else if (i == 5)
+                fprintf (o->print, " .. ");
+        }
+        fprintf(o->print, "\n");
        return 1;
     }
-    if (o->direction == ODR_DECODE && !*p)
+    if (o->direction == ODR_DECODE)
     {
-       *p = nalloc(o, sizeof(ODR_OCT));
+       *p = (Odr_oct *)odr_malloc(o, sizeof(Odr_oct));
        (*p)->size= 0;
        (*p)->len = 0;
        (*p)->buf = 0;
     }
-    return ber_octetstring(o, *p, cons);
+    if (ber_octetstring(o, *p, cons))
+       return 1;
+    o->error = OOTHER;
+    return 0;
+}
+
+/*
+ * Friendlier interface to octetstring.
+ */
+int odr_cstring(ODR o, char **p, int opt, const char *name)
+{
+    int cons = 0, res;
+    Odr_oct *t;
+
+    if (o->error)
+       return 0;
+    if (o->t_class < 0)
+    {
+       o->t_class = ODR_UNIVERSAL;
+       o->t_tag = ODR_OCTETSTRING;
+    }
+    if ((res = ber_tag(o, p, o->t_class, o->t_tag, &cons, opt)) < 0)
+       return 0;
+    if (!res)
+       return opt;
+    if (o->direction == ODR_PRINT)
+    {
+       odr_prname(o, name);
+       fprintf(o->print, "'%s'\n", *p);
+       return 1;
+    }
+    t = (Odr_oct *)odr_malloc(o, sizeof(Odr_oct)); /* wrapper for octstring */
+    if (o->direction == ODR_ENCODE)
+    {
+       t->buf = (unsigned char *) *p;
+       t->size = t->len = strlen(*p);
+    }
+    else
+    {
+       t->size= 0;
+       t->len = 0;
+       t->buf = 0;
+    }
+    if (!ber_octetstring(o, t, cons))
+       return 0;
+    if (o->direction == ODR_DECODE)
+    {
+       *p = (char *) t->buf;
+       *(*p + t->len) = '\0';  /* ber_octs reserves space for this */
+    }
+    return 1;
+}
+
+/*
+ * iconv interface to octetstring.
+ */
+int odr_iconv_string(ODR o, char **p, int opt, const char *name)
+{
+    int cons = 0, res;
+    Odr_oct *t;
+
+    if (o->error)
+       return 0;
+    if (o->t_class < 0)
+    {
+       o->t_class = ODR_UNIVERSAL;
+       o->t_tag = ODR_OCTETSTRING;
+    }
+    if ((res = ber_tag(o, p, o->t_class, o->t_tag, &cons, opt)) < 0)
+       return 0;
+    if (!res)
+       return opt;
+    if (o->direction == ODR_PRINT)
+    {
+       odr_prname(o, name);
+       fprintf(o->print, "'%s'\n", *p);
+       return 1;
+    }
+    t = (Odr_oct *)odr_malloc(o, sizeof(Odr_oct)); /* wrapper for octstring */
+    if (o->direction == ODR_ENCODE)
+    {
+        t->buf = 0;
+
+        if (o->op->iconv_handle != 0)
+        {
+            size_t inleft = strlen(*p);
+            char *inbuf = *p;
+            size_t outleft = 4 * inleft + 2;
+            char *outbuf = (char *) odr_malloc (o, outleft);
+            size_t ret;
+            
+            t->buf = (unsigned char *) outbuf;
+            
+            ret = yaz_iconv (o->op->iconv_handle, &inbuf, &inleft,
+                             &outbuf, &outleft);
+            if (ret == (size_t)(-1))
+            {
+                o->error = ODATA;
+                return 0;
+            }
+            t->size = t->len = outbuf - (char*) t->buf;
+        }
+        if (!t->buf)
+        {
+            t->buf = (unsigned char *) *p;
+            t->size = t->len = strlen(*p);
+        }
+    }
+    else
+    {
+       t->size= 0;
+       t->len = 0;
+       t->buf = 0;
+    }
+    if (!ber_octetstring(o, t, cons))
+       return 0;
+    if (o->direction == ODR_DECODE)
+    {
+        *p = 0;
+
+        if (o->op->iconv_handle != 0)
+        {
+            size_t inleft = t->len;
+            char *inbuf = (char *) t->buf;
+            size_t outleft = 4 * inleft + 2;
+            char *outbuf = (char *) odr_malloc (o, outleft);
+            size_t ret;
+
+            *p = outbuf;
+            
+            ret = yaz_iconv (o->op->iconv_handle, &inbuf, &inleft,
+                             &outbuf, &outleft);
+            if (ret == (size_t)(-1))
+            {
+                o->error = ODATA;
+                return 0;
+            }
+            inleft = outbuf - (char*) *p;
+            
+            (*p)[inleft] = '\0';    /* null terminate it */
+        }
+        if (!*p)
+        {
+            *p = (char *) t->buf;
+            *(*p + t->len) = '\0';  /* ber_octs reserves space for this */
+        }
+    }
+    return 1;
 }