X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=odr%2Fodr_cons.c;h=1ae66c167ab70703fe685abda06bc18fd4e9070d;hp=608ee65a6f78597430f7a1cd05380a7818eac8d9;hb=63cafe41a93427118959a74201b3e331169a71d9;hpb=0dcf720d5b83783f6dba31f44b12513cefdd2f75

diff --git a/odr/odr_cons.c b/odr/odr_cons.c
index 608ee65..1ae66c1 100644
--- a/odr/odr_cons.c
+++ b/odr/odr_cons.c
@@ -1,10 +1,52 @@
 /*
- * Copyright (C) 1994, Index Data I/S 
- * All rights reserved.
+ * Copyright (c) 1995, Index Data
+ * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: odr_cons.c,v $
- * Revision 1.2  1995-02-07 17:52:59  quinn
+ * Revision 1.15  1995-09-29 17:12:23  quinn
+ * Smallish
+ *
+ * Revision 1.14  1995/09/27  15:02:58  quinn
+ * Modified function heads & prototypes.
+ *
+ * Revision 1.13  1995/08/15  11:16:39  quinn
+ * Fixed pretty-printers.
+ * CV:e ----------------------------------------------------------------------
+ * CV:e ----------------------------------------------------------------------
+ *
+ * Revision 1.12  1995/06/19  12:38:47  quinn
+ * Added BER dumper.
+ *
+ * Revision 1.11  1995/05/16  08:50:53  quinn
+ * License, documentation, and memory fixes
+ *
+ * Revision 1.10  1995/04/18  08:15:21  quinn
+ * Added dynamic memory allocation on encoding (whew). Code is now somewhat
+ * neater. We'll make the same change for decoding one day.
+ *
+ * Revision 1.9  1995/03/28  09:15:49  quinn
+ * Fixed bug in the printing mode
+ *
+ * Revision 1.8  1995/03/15  11:18:04  quinn
+ * Fixed serious bug in odr_cons
+ *
+ * Revision 1.7  1995/03/10  11:44:41  quinn
+ * Fixed serious stack-bug in odr_cons_begin
+ *
+ * Revision 1.6  1995/03/08  12:12:23  quinn
+ * Added better error checking.
+ *
+ * Revision 1.5  1995/02/10  18:57:25  quinn
+ * More in the way of error-checking.
+ *
+ * Revision 1.4  1995/02/10  15:55:29  quinn
+ * Bug fixes, mostly.
+ *
+ * Revision 1.3  1995/02/09  15:51:48  quinn
+ * Works better now.
+ *
+ * Revision 1.2  1995/02/07  17:52:59  quinn
  * A damn mess, but now things work, I think.
  *
  * Revision 1.1  1995/02/02  16:21:53  quinn
@@ -13,28 +55,40 @@
  */
 
 #include <odr.h>
+#include <assert.h>
 
 int odr_constructed_begin(ODR o, void *p, int class, int tag)
 {
     int res;
     int cons = 1;
 
+    if (o->error)
+    	return 0;
     if (o->t_class < 0)
     {
 	o->t_class = class;
 	o->t_tag = tag;
     }
-    if ((res = ber_tag(o, *(char**)p, o->t_class, o->t_tag, &cons)) < 0)
+    if ((res = ber_tag(o, p, o->t_class, o->t_tag, &cons, 1)) < 0)
     	return 0;
     if (!res || !cons)
     	return 0;
 
+    if (o->stackp == ODR_MAX_STACK - 1)
+    {
+    	o->error = OSTACK;
+    	return 0;
+    }
     o->stack[++(o->stackp)].lenb = o->bp;
-    if (o->direction == ODR_ENCODE || o->direction == ODR_PRINT)
+    o->stack[o->stackp].len_offset = odr_tell(o);
+#ifdef ODR_DEBUG
+    fprintf(stderr, "[cons_begin(%d)]", o->stackp);
+#endif
+    if (o->direction == ODR_ENCODE)
     {
 	o->stack[o->stackp].lenlen = 1;
-	o->bp++;
-	o->left--;
+	if (odr_putc(o, 0) < 0)     /* dummy */
+	    return 0;
     }
     else if (o->direction == ODR_DECODE)
     {
@@ -44,18 +98,45 @@ int odr_constructed_begin(ODR o, void *p, int class, int tag)
 	o->bp += res;
 	o->left -= res;
     }
-    else return 0;
-
+    else if (o->direction == ODR_PRINT)
+    {
+    	fprintf(o->print, "%s{\n", odr_indent(o));
+	o->indent++;
+    }
+    else
+    {
+    	o->error = OOTHER;
+	return 0;
+    }
     o->stack[o->stackp].base = o->bp;
+    o->stack[o->stackp].base_offset = odr_tell(o);
     return 1;
 }
 
+int odr_constructed_more(ODR o)
+{
+    if (o->error)
+    	return 0;
+    if (o->stackp < 0)
+    	return 0;
+    if (o->stack[o->stackp].len >= 0)
+    	return o->bp - o->stack[o->stackp].base < o->stack[o->stackp].len;
+    else
+    	return (!(*o->bp == 0 && *(o->bp + 1) == 0));
+}
+
 int odr_constructed_end(ODR o)
 {
     int res;
+    int pos;
 
+    if (o->error)
+    	return 0;
     if (o->stackp < 0)
+    {
+    	o->error = OOTHER;
     	return 0;
+    }
     switch (o->direction)
     {
     	case ODR_DECODE:
@@ -64,29 +145,54 @@ int odr_constructed_end(ODR o)
 	    	if (*o->bp++ == 0 && *(o->bp++) == 0)
 	    	{
 		    o->left -= 2;
+		    o->stackp--;
 		    return 1;
 		}
 		else
+		{
+		    o->error = OOTHER;
 		    return 0;
+		}
 	    }
 	    else if (o->bp - o->stack[o->stackp].base !=
 		o->stack[o->stackp].len)
+	    {
+	    	o->error = OCONLEN;
 	    	return 0;
+	    }
 	    o->stackp--;
 	    return 1;
     	case ODR_ENCODE:
-	    if ((res = ber_enclen(o->stack[o->stackp].lenb,
-		o->bp - o->stack[o->stackp].base,
+	    pos = odr_tell(o);
+	    odr_seek(o, ODR_S_SET, o->stack[o->stackp].len_offset);
+	    if ((res = ber_enclen(o, pos - o->stack[o->stackp].base_offset,
 		o->stack[o->stackp].lenlen, 1)) < 0)
-		    return 0;
+		return 0;
+	    odr_seek(o, ODR_S_END, 0);
 	    if (res == 0)   /* indefinite encoding */
 	    {
-	    	*(o->bp++) = *(o->bp++) = 0;
-	    	o->left--;
+#ifdef ODR_DEBUG
+		fprintf(stderr, "[cons_end(%d): indefinite]", o->stackp);
+#endif
+		if (odr_putc(o, 0) < 0 || odr_putc(o, 0) < 0)
+		    return 0;
+	    }
+#ifdef ODR_DEBUG
+	    else
+	    {
+	    	fprintf(stderr, "[cons_end(%d): definite]", o->stackp);
 	    }
+#endif
 	    o->stackp--;
 	    return 1;
-    	case ODR_PRINT: return 1;
-    	default: return 0;
+    	case ODR_PRINT:
+	    assert(o->indent > 0);
+	    o->stackp--;
+	    o->indent--;
+	    fprintf(o->print, "%s}\n", odr_indent(o));
+	    return 1;
+    	default:
+	    o->error = OOTHER;
+	    return 0;
     }
 }