2 * Copyright (C) 1994-1998, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.25 1998-03-11 11:19:04 adam
8 * Changed the way sequence numbers are generated.
10 * Revision 1.24 1998/03/05 08:38:46 adam
11 * New member recordSize in recRetrieveCtrl.
13 * Revision 1.23 1998/02/10 12:03:05 adam
16 * Revision 1.22 1997/10/27 14:33:04 adam
17 * Moved towards generic character mapping depending on "structure"
18 * field in abstract syntax file. Fixed a few memory leaks. Fixed
19 * bug with negative integers when doing searches with relational
22 * Revision 1.21 1997/09/18 08:59:19 adam
23 * Extra generic handle for the character mapping routines.
25 * Revision 1.20 1997/09/17 12:19:10 adam
26 * Zebra version corresponds to YAZ version 1.4.
27 * Changed Zebra server so that it doesn't depend on global common_resource.
29 * Revision 1.19 1997/09/05 15:30:02 adam
30 * Changed prototype for chr_map_input - added const.
31 * Added support for C++, headers uses extern "C" for public definitions.
33 * Revision 1.18 1997/09/04 13:56:15 adam
34 * Added new filter grs.marc.<syntax> where <syntax> refers to
35 * abstract syntax. New method tellf in extract/retrieve control
38 * Revision 1.17 1997/04/30 08:56:04 quinn
41 * Revision 1.16 1996/10/11 10:56:25 adam
42 * New module recctrl. Used to manage records (extract/retrieval).
43 * All record types are accessed by means of definitions in recctrl.h.
45 * Revision 1.15 1996/06/06 12:08:16 quinn
46 * Added showRecord Group entry
48 * Revision 1.14 1996/05/09 07:28:49 quinn
49 * Work towards phrases and multiple registers
51 * Revision 1.13 1996/05/01 13:44:05 adam
52 * Added seek function to the recExtractCtrl and recRetrieveCtrl control
53 * structures. Added end-of-file indicator function and start offset to
56 * Revision 1.12 1996/01/17 15:01:25 adam
57 * Prototype changed for reader functions in extract/retrieve. File
58 * is identified by 'void *' instead of 'int'.
60 * Revision 1.11 1995/12/04 14:20:54 adam
61 * Extra arg to recType_byName.
63 * Revision 1.10 1995/10/16 14:03:06 quinn
64 * Changes to support element set names and espec1
66 * Revision 1.9 1995/10/06 14:37:53 adam
67 * New result set method: r_score.
68 * Local no (sysno) and score is transferred to retrieveCtrl.
70 * Revision 1.8 1995/10/02 15:43:35 adam
71 * Extract uses file descriptors instead of FILE pointers.
73 * Revision 1.7 1995/10/02 15:18:09 adam
76 * Revision 1.6 1995/10/02 15:05:26 quinn
79 * Revision 1.5 1995/10/02 14:55:52 quinn
80 * *** empty log message ***
82 * Revision 1.4 1995/09/27 16:17:29 adam
83 * More work on retrieve.
85 * Revision 1.3 1995/09/27 12:21:25 adam
86 * New function: recType_byName.
88 * Revision 1.2 1995/09/15 14:45:03 adam
91 * Revision 1.1 1995/09/14 07:48:13 adam
92 * Record control management.
103 #include <zebramap.h>
109 /* single word entity */
117 ZebraMaps zebra_maps;
120 /* Extract record control */
121 struct recExtractCtrl {
122 void *fh; /* File handle and read function */
123 int (*readf)(void *fh, char *buf, size_t count);
124 off_t (*seekf)(void *fh, off_t offset); /* seek function */
125 off_t (*tellf)(void *fh); /* tell function */
126 void (*endf)(void *fh, off_t offset); /* end of record position */
127 off_t offset; /* start offset */
129 void (*init)(struct recExtractCtrl *p, RecWord *w);
130 void (*add)(RecWord *p);
131 ZebraMaps zebra_maps;
137 /* Retrieve record control */
138 struct recRetrieveCtrl {
139 /* Input parameters ... */
140 ODR odr; /* ODR used to create response */
141 void *fh; /* File descriptor and read function */
142 int (*readf)(void *fh, char *buf, size_t count);
143 off_t (*seekf)(void *fh, off_t offset);
144 off_t (*tellf)(void *fh);
145 oid_value input_format; /* Preferred record syntax */
146 Z_RecordComposition *comp; /* formatting instructions */
147 int localno; /* local id of record */
148 int score; /* score 0-1000 or -1 if none */
149 int recordSize; /* size of record in bytes */
154 oid_value output_format;
161 typedef struct recType
163 char *name; /* Name of record type */
164 void (*init)(void); /* Init function - called once */
165 int (*extract)(struct recExtractCtrl *ctrl); /* Extract proc */
166 int (*retrieve)(struct recRetrieveCtrl *ctrl); /* Retrieve proc */
169 RecType recType_byName (const char *name, char *subType);