/*
- * Copyright (c) 1995-2006, Index Data
+ * Copyright (c) 1995-2007, Index Data
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-/* $Id: odr.h,v 1.24 2006-10-09 21:02:41 adam Exp $ */
+/* $Id: odr.h,v 1.27 2007-04-12 13:52:57 adam Exp $ */
/**
* \file odr.h
#define ODR_S_CUR 1
#define ODR_S_END 2
-typedef struct odr
+typedef struct odr *ODR;
+
+/** ODR handle and the public structs */
+struct odr
{
int direction; /* the direction of this stream */
- int error; /* current error state (0==OK) */
+ int error; /* current error state (0==OK) */
- int can_grow; /* are we allowed to reallocate */
unsigned char *buf; /* memory handle */
+ int top; /* top of buffer (max pos when encoding) */
int size; /* current buffer size (encoding+decoding) */
int pos; /* current position (encoding) */
- int top; /* top of buffer (max pos when encoding) */
const unsigned char *bp; /* position in buffer (decoding) */
- int t_class; /* implicit tagging (-1==default tag) */
- int t_tag;
-
- int enable_bias; /* force choice enable flag */
- int choice_bias; /* force choice */
- int lenlen; /* force length-of-lenght (odr_setlen()) */
-
- FILE *print; /* output file handler for direction print */
- int indent; /* current indent level for printing */
-
NMEM mem; /* memory handle for decoding (primarily) */
struct Odr_private *op;
-} *ODR;
+};
typedef int (*Odr_fun)(ODR, char **, int, const char *);
#define odr_offset(o) ((o)->bp - (o)->buf)
#define odr_ok(o) (!(o)->error)
#define odr_getmem(o) ((o)->mem)
-#define odr_setmem(o, v) ((o)->mem = (v))
#define ODR_MAXNAME 256
YAZ_EXPORT void odr_begin(ODR o);
YAZ_EXPORT void odr_end(ODR o);
-YAZ_EXPORT Odr_oid *odr_oiddup(ODR odr, Odr_oid *o);
-YAZ_EXPORT Odr_oid *odr_oiddup_nmem(NMEM nmem, Odr_oid *o);
+YAZ_EXPORT Odr_oid *odr_oiddup(ODR odr, const Odr_oid *o);
+YAZ_EXPORT Odr_oid *odr_oiddup_nmem(NMEM nmem, const Odr_oid *o);
YAZ_EXPORT int odr_grow_block(ODR b, int min_bytes);
YAZ_EXPORT int odr_write(ODR o, unsigned char *buf, int bytes);
YAZ_EXPORT int odr_seek(ODR o, int whence, int offset);