1 /* $Id: recctrl.h,v 1.29 2006-08-22 13:39:25 adam Exp $
2 Copyright (C) 1995-2006
5 This file is part of the Zebra server.
7 Zebra is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef IDZEBRA_RECCTRL_H
24 #define IDZEBRA_RECCTRL_H
26 #include <sys/types.h>
27 #include <yaz/proto.h>
30 #include <idzebra/res.h>
31 #include <idzebra/data1.h>
32 #include <idzebra/snippet.h>
37 #define ZEBRA_XPATH_ELM_BEGIN "_XPATH_BEGIN"
40 #define ZEBRA_XPATH_ELM_END "_XPATH_END"
43 #define ZEBRA_XPATH_CDATA "_XPATH_CDATA"
46 #define ZEBRA_XPATH_ATTR_NAME "_XPATH_ATTR_NAME"
49 #define ZEBRA_XPATH_ATTR_CDATA "_XPATH_ATTR_CDATA"
53 /** index type ('w', 'p', .. */
55 /** index name, e.g. "title" */
56 const char *index_name;
57 /** token char data */
59 /** length of term_buf */
61 /** sequence number */
69 struct recExtractCtrl *extractCtrl;
72 /** \brief record reader stream */
73 struct ZebraRecStream {
76 /** \brief read function */
77 int (*readf)(struct ZebraRecStream *s, char *buf, size_t count);
78 /** \brief seek function */
79 off_t (*seekf)(struct ZebraRecStream *s, off_t offset);
80 /** \brief tell function */
81 off_t (*tellf)(struct ZebraRecStream *s);
82 /** \brief set and get of record position */
83 off_t (*endf)(struct ZebraRecStream *s, off_t *offset);
84 /** \brief close and destroy stream */
85 void (*destroy)(struct ZebraRecStream *s);
88 /** \brief record extract for indexing */
89 struct recExtractCtrl {
90 struct ZebraRecStream *stream;
91 void (*init)(struct recExtractCtrl *p, RecWord *w);
93 void (*tokenAdd)(RecWord *w);
94 void (*setStoreData)(struct recExtractCtrl *p, void *buf, size_t size);
98 char match_criteria[256];
100 void (*schemaAdd)(struct recExtractCtrl *p, Odr_oid *oid);
105 /* Retrieve record control */
106 struct recRetrieveCtrl {
107 struct ZebraRecStream *stream;
108 /* Input parameters ... */
109 Res res; /* Resource pool */
110 ODR odr; /* ODR used to create response */
111 oid_value input_format; /* Preferred record syntax */
112 Z_RecordComposition *comp; /* formatting instructions */
113 char *encoding; /* preferred character encoding */
114 zint localno; /* local id of record */
115 int score; /* score 0-1000 or -1 if none */
116 zint staticrank; /* static rank >= 0, 0 if none */
117 int recordSize; /* size of record in bytes */
118 char *fname; /* name of file (or NULL if internal) */
120 zebra_snippets *hit_snippet;
121 zebra_snippets *doc_snippet;
124 oid_value output_format;
131 typedef struct recType *RecType;
136 char *name; /* Name of record type */
137 void *(*init)(Res res, RecType recType); /* Init function - called once */
138 ZEBRA_RES (*config)(void *clientData, Res res, const char *args); /* Config */
139 void (*destroy)(void *clientData); /* Destroy function */
140 int (*extract)(void *clientData,
141 struct recExtractCtrl *ctrl); /* Extract proc */
142 int (*retrieve)(void *clientData,
143 struct recRetrieveCtrl *ctrl); /* Retrieve proc */
146 #define RECCTRL_EXTRACT_OK 0
147 #define RECCTRL_EXTRACT_EOF 1
148 #define RECCTRL_EXTRACT_ERROR_GENERIC 2
149 #define RECCTRL_EXTRACT_ERROR_NO_SUCH_FILTER 3
151 typedef struct recTypeClass *RecTypeClass;
152 typedef struct recTypes *RecTypes;
155 RecTypeClass recTypeClass_create (Res res, NMEM nmem);
158 void recTypeClass_load_modules(RecTypeClass *rts, NMEM nmem,
159 const char *module_path);
162 RecTypeClass recTypeClass_add_modules(Res res, NMEM nmem,
163 const char *module_path);
166 void recTypeClass_destroy(RecTypeClass rtc);
169 void recTypeClass_info(RecTypeClass rtc, void *cd,
170 void (*cb)(void *cd, const char *s));
173 RecTypes recTypes_init(RecTypeClass rtc, data1_handle dh);
176 void recTypes_destroy(RecTypes recTypes);
179 void recTypes_default_handlers(RecTypes recTypes, Res res);
182 RecType recType_byName(RecTypes rts, Res res, const char *name,
191 * indent-tabs-mode: nil
193 * vim: shiftwidth=4 tabstop=8 expandtab