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