* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*
- * $Id: marcdisp.h,v 1.15 2006-04-19 10:05:02 adam Exp $
+ * $Id: marcdisp.h,v 1.18 2006-08-28 14:18:20 adam Exp $
*/
/**
\param bsize size of buffer or (-1 if "any size")
\param result result to be stored here (allocate before use!)
\param rsize size of result (set before calling)
-
- decode MARC in buf of size bsize. Returns >0 on success; <=0 on failure.
+
+ Decodes MARC in buf of size bsize.
On success, result in *result with size *rsize.
- Returns -1 on error, size of input record (>0) if OK
+ Returns -1 on error, or size of input record (>0) if OK
*/
YAZ_EXPORT int yaz_marc_decode_buf(yaz_marc_t mt, const char *buf, int bsize,
char **result, int *rsize);
-/** \brief decodes ISO2709/MAC buffer and stores result in WRBUF */
+/** \brief decodes ISO2709/MARC buffer and stores result in WRBUF
+ \param mt handle
+ \param buf input buffer
+ \param bsize size of buffer (-1 if "any size")
+ \param wrbuf WRBUF for output
+
+ Decodes MARC in buf of size bsize.
+ On success, result in wrbuf
+ Returns -1 on error, or size of input record (>0) if OK
+*/
YAZ_EXPORT int yaz_marc_decode_wrbuf(yaz_marc_t mt, const char *buf,
int bsize, WRBUF wrbuf);
YAZ_EXPORT void yaz_marc_subfield_str(yaz_marc_t mt, const char *s);
YAZ_EXPORT void yaz_marc_endline_str(yaz_marc_t mt, const char *s);
-/** \brief like atoi except that it reads exactly len characters */
+/** \brief modifies part of the MARC leader */
+YAZ_EXPORT void yaz_marc_modify_leader(yaz_marc_t mt, size_t off,
+ const char *str);
+
+/** \brief like atoi(3) except that it reads exactly len characters */
YAZ_EXPORT int atoi_n(const char *buf, int len);
/** \brief MARC control char: record separator (29 Dec, 1D Hex) */
/** \brief MARC control char: identifier-field separator (31 Dec, 1F Hex) */
#define ISO2709_IDFS 037
-/** \brief read ISO2709/MARC record from buffer */
+/** \brief read ISO2709/MARC record from buffer
+ \param mt handle
+ \param buf ISO2709 buffer of size bsize
+ \param bsize size of buffer (-1 for unlimited size)
+
+ Parses ISO2709 record from supplied buffer
+ Returns > 0 for OK (same as length), -1=ERROR
+*/
YAZ_EXPORT int yaz_marc_read_iso2709(yaz_marc_t mt,
const char *buf, int bsize);
-/** \brief read MARCXML record from buffer */
+
+/** \brief parses MARCXML/MarcXchange record from xmlNode pointer
+ \param mt handle
+ \param xmlnode is a pointer to root xmlNode pointer
+
+ Returns 0=OK, -1=ERROR
+*/
YAZ_EXPORT int yaz_marc_read_xml(yaz_marc_t mt, const void *xmlnode);
-/** \brief writes record in line format */
+/** \brief writes record in line format
+ \param mt handle
+ \param wrbuf WRBUF for output
+
+ Returns 0=OK, -1=ERROR
+*/
YAZ_EXPORT int yaz_marc_write_line(yaz_marc_t mt, WRBUF wrbuf);
-/** \brief writes record in MARCXML format */
+
+/** \brief writes record in MARCXML format
+ \param mt handle
+ \param wrbuf WRBUF for output
+
+ Sets leader[9]='a' . Returns 0=OK, -1=ERROR .
+*/
+
YAZ_EXPORT int yaz_marc_write_marcxml(yaz_marc_t mt, WRBUF wrbuf);
-/** \brief writes record in MarcXchange format */
-YAZ_EXPORT int yaz_marc_write_marcxchange(yaz_marc_t mt, WRBUF wrbuf);
-/** \brief writes record in ISO2709 format */
+
+/** \brief writes record in MarcXchange XML
+ \param mt handle
+ \param wrbuf WRBUF for output
+ \param format record format (e.g. "MARC21")
+ \param type record type (e.g. Bibliographic)
+
+ Returns 0=OK, -1=ERROR
+*/
+YAZ_EXPORT int yaz_marc_write_marcxchange(yaz_marc_t mt, WRBUF wrbuf,
+ const char *format,
+ const char *type);
+
+/** \brief writes record in ISO2709 format
+ \param mt handle
+ \param wrbuf WRBUF for output
+ Returns 0=OK, -1=ERROR
+*/
YAZ_EXPORT int yaz_marc_write_iso2709(yaz_marc_t mt, WRBUF wrbuf);
-/** \brief writes record in mode - given by yaz_marc_xml mode */
-YAZ_EXPORT int yaz_marc_write_mode(yaz_marc_t mt, WRBUF wr);
+/** \brief writes record in mode - given by yaz_marc_xml mode
+ \param mt handle
+ \param wrbuf WRBUF for output
+ This function calls yaz_marc_write_iso2709, yaz_marc_write_marcxml,
+ etc.. depending on mode given by yaz_marc_xml.
+ Returns 0=OK, -1=ERROR
+*/
+YAZ_EXPORT int yaz_marc_write_mode(yaz_marc_t mt, WRBUF wrbuf);
+
+/** \brief sets leader spec (for modifying bytes in 24 byte leader)
+ \param mt handle
+ \param leader_spec
+ \retval 0 OK
+ \retval -1 ERROR
+
+ Spec takes form pos=val,pos=val,...
+ where value is either a number (decimal char value) or a
+ string in 'a', e.g. 9='a'
+
+*/
+YAZ_EXPORT int yaz_marc_leader_spec(yaz_marc_t mt, const char *leader_spec);
YAZ_END_CDECL
#endif