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27 /* $Id: marcdisp.h,v 1.20 2006-12-07 11:08:04 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
67 /** \brief Output format: check only (no marc output) */
68 #define YAZ_MARC_CHECK 6
70 /** \brief supply iconv handle for character set conversion .. */
71 YAZ_EXPORT void yaz_marc_iconv(yaz_marc_t mt, yaz_iconv_t cd);
73 /** \brief set debug level
75 \param level level, where 0=lowest, 1 more debug, 2 even more
77 YAZ_EXPORT void yaz_marc_debug(yaz_marc_t mt, int level);
79 /** \brief decodes ISO2709 buffer using straight buffers
81 \param buf input buffer
82 \param bsize size of buffer or (-1 if "any size")
83 \param result result to be stored here (allocate before use!)
84 \param rsize size of result (set before calling)
86 Decodes MARC in buf of size bsize.
87 On success, result in *result with size *rsize.
88 Returns -1 on error, or size of input record (>0) if OK
90 YAZ_EXPORT int yaz_marc_decode_buf(yaz_marc_t mt, const char *buf, int bsize,
91 char **result, int *rsize);
93 /** \brief decodes ISO2709/MARC buffer and stores result in WRBUF
95 \param buf input buffer
96 \param bsize size of buffer (-1 if "any size")
97 \param wrbuf WRBUF for output
99 Decodes MARC in buf of size bsize.
100 On success, result in wrbuf
101 Returns -1 on error, or size of input record (>0) if OK
103 YAZ_EXPORT int yaz_marc_decode_wrbuf(yaz_marc_t mt, const char *buf,
104 int bsize, WRBUF wrbuf);
106 /** \brief depricated */
107 YAZ_EXPORT int marc_display(const char *buf, FILE *outf);
108 /** \brief depricated */
109 YAZ_EXPORT int marc_display_ex(const char *buf, FILE *outf, int debug);
110 /** \brief depricated */
111 YAZ_EXPORT int marc_display_exl(const char *buf, FILE *outf, int debug,
113 /** \brief depricated */
114 YAZ_EXPORT int marc_display_wrbuf(const char *buf, WRBUF wr, int debug,
116 /** \brief depricated */
117 YAZ_EXPORT int yaz_marc_decode(const char *buf, WRBUF wr,
118 int debug, int bsize, int xml);
120 YAZ_EXPORT void yaz_marc_subfield_str(yaz_marc_t mt, const char *s);
121 YAZ_EXPORT void yaz_marc_endline_str(yaz_marc_t mt, const char *s);
123 /** \brief modifies part of the MARC leader */
124 YAZ_EXPORT void yaz_marc_modify_leader(yaz_marc_t mt, size_t off,
127 /** \brief like atoi(3) except that it reads exactly len characters */
128 YAZ_EXPORT int atoi_n(const char *buf, int len);
130 /** \brief MARC control char: record separator (29 Dec, 1D Hex) */
131 #define ISO2709_RS 035
132 /** \brief MARC control char: field separator (30 Dec, 1E Hex) */
133 #define ISO2709_FS 036
134 /** \brief MARC control char: identifier-field separator (31 Dec, 1F Hex) */
135 #define ISO2709_IDFS 037
137 /** \brief read ISO2709/MARC record from buffer
139 \param buf ISO2709 buffer of size bsize
140 \param bsize size of buffer (-1 for unlimited size)
142 Parses ISO2709 record from supplied buffer
143 Returns > 0 for OK (same as length), -1=ERROR
145 YAZ_EXPORT int yaz_marc_read_iso2709(yaz_marc_t mt,
146 const char *buf, int bsize);
148 /** \brief parses MARCXML/MarcXchange record from xmlNode pointer
150 \param xmlnode is a pointer to root xmlNode pointer
152 Returns 0=OK, -1=ERROR
154 YAZ_EXPORT int yaz_marc_read_xml(yaz_marc_t mt, const void *xmlnode);
156 /** \brief writes record in line format
158 \param wrbuf WRBUF for output
160 Returns 0=OK, -1=ERROR
162 YAZ_EXPORT int yaz_marc_write_line(yaz_marc_t mt, WRBUF wrbuf);
164 /** \brief writes record in MARCXML format
166 \param wrbuf WRBUF for output
168 Sets leader[9]='a' . Returns 0=OK, -1=ERROR .
171 YAZ_EXPORT int yaz_marc_write_marcxml(yaz_marc_t mt, WRBUF wrbuf);
173 /** \brief writes record in MarcXchange XML
175 \param wrbuf WRBUF for output
176 \param format record format (e.g. "MARC21")
177 \param type record type (e.g. Bibliographic)
179 Returns 0=OK, -1=ERROR
181 YAZ_EXPORT int yaz_marc_write_marcxchange(yaz_marc_t mt, WRBUF wrbuf,
185 /** \brief writes record in ISO2709 format
187 \param wrbuf WRBUF for output
188 Returns 0=OK, -1=ERROR
190 YAZ_EXPORT int yaz_marc_write_iso2709(yaz_marc_t mt, WRBUF wrbuf);
192 /** \brief writes record in mode - given by yaz_marc_xml mode
194 \param wrbuf WRBUF for output
195 This function calls yaz_marc_write_iso2709, yaz_marc_write_marcxml,
196 etc.. depending on mode given by yaz_marc_xml.
197 Returns 0=OK, -1=ERROR
199 YAZ_EXPORT int yaz_marc_write_mode(yaz_marc_t mt, WRBUF wrbuf);
201 /** \brief sets leader spec (for modifying bytes in 24 byte leader)
207 Spec takes form pos=val,pos=val,...
208 where value is either a number (decimal char value) or a
209 string in 'a', e.g. 9='a'
212 YAZ_EXPORT int yaz_marc_leader_spec(yaz_marc_t mt, const char *leader_spec);
219 * indent-tabs-mode: nil
221 * vim: shiftwidth=4 tabstop=8 expandtab