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27 /* $Id: marcdisp.h,v 1.19 2006-10-09 21:02:41 adam Exp $ */
31 * \brief MARC conversion
37 #include <yaz/yconfig.h>
39 #include <yaz/wrbuf.h>
43 /** \brief a yaz_marc_t handle (private content) */
44 typedef struct yaz_marc_t_ *yaz_marc_t;
46 /** \brief construct yaz_marc_t handle */
47 YAZ_EXPORT yaz_marc_t yaz_marc_create(void);
49 /** \brief destroy yaz_marc_t handle */
50 YAZ_EXPORT void yaz_marc_destroy(yaz_marc_t mt);
52 /** \brief set XML mode YAZ_MARC_LINE, YAZ_MARC_SIMPLEXML, ... */
53 YAZ_EXPORT void yaz_marc_xml(yaz_marc_t mt, int xmlmode);
55 /** \brief Output format: Line-format */
56 #define YAZ_MARC_LINE 0
57 /** \brief Output format: simplexml (no longer supported) */
58 #define YAZ_MARC_SIMPLEXML 1
59 /** \brief Output format: OAI-MARC (no longer supported) */
60 #define YAZ_MARC_OAIMARC 2
61 /** \brief Output format: MARCXML */
62 #define YAZ_MARC_MARCXML 3
63 /** \brief Output format: ISO2709 */
64 #define YAZ_MARC_ISO2709 4
65 /** \brief Output format: MarcXchange */
66 #define YAZ_MARC_XCHANGE 5
68 /** \brief supply iconv handle for character set conversion .. */
69 YAZ_EXPORT void yaz_marc_iconv(yaz_marc_t mt, yaz_iconv_t cd);
71 /** \brief set debug level
73 \param level level, where 0=lowest, 1 more debug, 2 even more
75 YAZ_EXPORT void yaz_marc_debug(yaz_marc_t mt, int level);
77 /** \brief decodes ISO2709 buffer using straight buffers
79 \param buf input buffer
80 \param bsize size of buffer or (-1 if "any size")
81 \param result result to be stored here (allocate before use!)
82 \param rsize size of result (set before calling)
84 Decodes MARC in buf of size bsize.
85 On success, result in *result with size *rsize.
86 Returns -1 on error, or size of input record (>0) if OK
88 YAZ_EXPORT int yaz_marc_decode_buf(yaz_marc_t mt, const char *buf, int bsize,
89 char **result, int *rsize);
91 /** \brief decodes ISO2709/MARC buffer and stores result in WRBUF
93 \param buf input buffer
94 \param bsize size of buffer (-1 if "any size")
95 \param wrbuf WRBUF for output
97 Decodes MARC in buf of size bsize.
98 On success, result in wrbuf
99 Returns -1 on error, or size of input record (>0) if OK
101 YAZ_EXPORT int yaz_marc_decode_wrbuf(yaz_marc_t mt, const char *buf,
102 int bsize, WRBUF wrbuf);
104 /** \brief depricated */
105 YAZ_EXPORT int marc_display(const char *buf, FILE *outf);
106 /** \brief depricated */
107 YAZ_EXPORT int marc_display_ex(const char *buf, FILE *outf, int debug);
108 /** \brief depricated */
109 YAZ_EXPORT int marc_display_exl(const char *buf, FILE *outf, int debug,
111 /** \brief depricated */
112 YAZ_EXPORT int marc_display_wrbuf(const char *buf, WRBUF wr, int debug,
114 /** \brief depricated */
115 YAZ_EXPORT int yaz_marc_decode(const char *buf, WRBUF wr,
116 int debug, int bsize, int xml);
118 YAZ_EXPORT void yaz_marc_subfield_str(yaz_marc_t mt, const char *s);
119 YAZ_EXPORT void yaz_marc_endline_str(yaz_marc_t mt, const char *s);
121 /** \brief modifies part of the MARC leader */
122 YAZ_EXPORT void yaz_marc_modify_leader(yaz_marc_t mt, size_t off,
125 /** \brief like atoi(3) except that it reads exactly len characters */
126 YAZ_EXPORT int atoi_n(const char *buf, int len);
128 /** \brief MARC control char: record separator (29 Dec, 1D Hex) */
129 #define ISO2709_RS 035
130 /** \brief MARC control char: field separator (30 Dec, 1E Hex) */
131 #define ISO2709_FS 036
132 /** \brief MARC control char: identifier-field separator (31 Dec, 1F Hex) */
133 #define ISO2709_IDFS 037
135 /** \brief read ISO2709/MARC record from buffer
137 \param buf ISO2709 buffer of size bsize
138 \param bsize size of buffer (-1 for unlimited size)
140 Parses ISO2709 record from supplied buffer
141 Returns > 0 for OK (same as length), -1=ERROR
143 YAZ_EXPORT int yaz_marc_read_iso2709(yaz_marc_t mt,
144 const char *buf, int bsize);
146 /** \brief parses MARCXML/MarcXchange record from xmlNode pointer
148 \param xmlnode is a pointer to root xmlNode pointer
150 Returns 0=OK, -1=ERROR
152 YAZ_EXPORT int yaz_marc_read_xml(yaz_marc_t mt, const void *xmlnode);
154 /** \brief writes record in line format
156 \param wrbuf WRBUF for output
158 Returns 0=OK, -1=ERROR
160 YAZ_EXPORT int yaz_marc_write_line(yaz_marc_t mt, WRBUF wrbuf);
162 /** \brief writes record in MARCXML format
164 \param wrbuf WRBUF for output
166 Sets leader[9]='a' . Returns 0=OK, -1=ERROR .
169 YAZ_EXPORT int yaz_marc_write_marcxml(yaz_marc_t mt, WRBUF wrbuf);
171 /** \brief writes record in MarcXchange XML
173 \param wrbuf WRBUF for output
174 \param format record format (e.g. "MARC21")
175 \param type record type (e.g. Bibliographic)
177 Returns 0=OK, -1=ERROR
179 YAZ_EXPORT int yaz_marc_write_marcxchange(yaz_marc_t mt, WRBUF wrbuf,
183 /** \brief writes record in ISO2709 format
185 \param wrbuf WRBUF for output
186 Returns 0=OK, -1=ERROR
188 YAZ_EXPORT int yaz_marc_write_iso2709(yaz_marc_t mt, WRBUF wrbuf);
190 /** \brief writes record in mode - given by yaz_marc_xml mode
192 \param wrbuf WRBUF for output
193 This function calls yaz_marc_write_iso2709, yaz_marc_write_marcxml,
194 etc.. depending on mode given by yaz_marc_xml.
195 Returns 0=OK, -1=ERROR
197 YAZ_EXPORT int yaz_marc_write_mode(yaz_marc_t mt, WRBUF wrbuf);
199 /** \brief sets leader spec (for modifying bytes in 24 byte leader)
205 Spec takes form pos=val,pos=val,...
206 where value is either a number (decimal char value) or a
207 string in 'a', e.g. 9='a'
210 YAZ_EXPORT int yaz_marc_leader_spec(yaz_marc_t mt, const char *leader_spec);
217 * indent-tabs-mode: nil
219 * vim: shiftwidth=4 tabstop=8 expandtab