2 * Copyright (C) 1994-1996, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.4 1997-04-30 08:56:08 quinn
10 * Revision 1.2 1996/10/11 16:06:43 quinn
11 * Revision 1.3 1997/02/24 10:41:50 adam
12 * Cleanup of code and commented out the "end element-end-record" code.
14 * Revision 1.2 1996/10/11 16:06:43 quinn
15 * Fixed arguments to nodetogr
17 * Revision 1.1 1996/10/11 10:57:25 adam
18 * New module recctrl. Used to manage records (extract/retrieval).
20 * Revision 1.29 1996/10/08 10:30:21 quinn
23 * Revision 1.28 1996/10/07 16:06:40 quinn
26 * Revision 1.27 1996/06/11 10:54:12 quinn
29 * Revision 1.26 1996/06/06 12:08:45 quinn
30 * Added showRecord function
32 * Revision 1.25 1996/06/04 14:18:53 quinn
35 * Revision 1.24 1996/06/04 13:27:54 quinn
36 * More work on charmapping
38 * Revision 1.23 1996/06/04 10:19:01 adam
39 * Minor changes - removed include of ctype.h.
41 * Revision 1.22 1996/06/03 10:15:27 quinn
42 * Various character-mapping.
44 * Revision 1.21 1996/05/31 13:27:24 quinn
45 * Character-conversion in phrases, too.
47 * Revision 1.19 1996/05/16 15:31:14 quinn
50 * Revision 1.18 1996/05/09 07:28:56 quinn
51 * Work towards phrases and multiple registers
53 * Revision 1.17 1996/05/01 13:46:37 adam
54 * First work on multiple records in one file.
55 * New option, -offset, to the "unread" command in the filter module.
57 * Revision 1.16 1996/01/17 14:57:54 adam
58 * Prototype changed for reader functions in extract/retrieve. File
59 * is identified by 'void *' instead of 'int.
61 * Revision 1.15 1996/01/08 19:15:47 adam
62 * New input filter that works!
64 * Revision 1.14 1995/12/15 12:36:11 adam
65 * Retrieval calls data1_read_regx when subType is specified.
67 * Revision 1.13 1995/12/15 12:24:43 quinn
68 * *** empty log message ***
70 * Revision 1.12 1995/12/15 12:20:28 quinn
71 * *** empty log message ***
73 * Revision 1.11 1995/12/15 12:07:57 quinn
74 * Changed extraction strategy.
76 * Revision 1.10 1995/12/14 11:10:48 quinn
79 * Revision 1.9 1995/12/13 17:14:05 quinn
80 * *** empty log message ***
82 * Revision 1.8 1995/12/13 15:33:18 quinn
83 * *** empty log message ***
85 * Revision 1.7 1995/12/13 13:45:39 quinn
86 * Changed data1 to use nmem.
88 * Revision 1.6 1995/12/04 14:22:30 adam
89 * Extra arg to recType_byName.
90 * Started work on new regular expression parsed input to
93 * Revision 1.5 1995/11/28 14:18:37 quinn
96 * Revision 1.4 1995/11/21 13:14:49 quinn
97 * Fixed end-of-data-field problem (maybe).
99 * Revision 1.3 1995/11/15 19:13:09 adam
100 * Work on record management.
106 #include <sys/types.h>
116 #define GRS_MAX_WORD 512
118 static int seqno = 0;
120 static data1_node *read_grs_type (struct grs_read_info *p, const char *type)
124 data1_node *(*func)(struct grs_read_info *p);
126 { "sgml", grs_read_sgml },
127 { "regx", grs_read_regx },
130 const char *cp = strchr (type, '.');
133 if (cp == NULL || cp == type)
135 cp = strlen(type) + type;
139 strcpy (p->type, cp+1);
140 for (i=0; tab[i].type; i++)
142 if (!memcmp (type, tab[i].type, cp-type))
143 return (tab[i].func)(p);
148 static void grs_init(void)
152 static void dumpkeys_word(data1_node *n, struct recExtractCtrl *p,
155 char *b = n->u.data.data;
159 remain = n->u.data.len - (b - n->u.data.data);
161 map = (*p->map_chrs_input)(&b, remain);
166 char buf[GRS_MAX_WORD+1];
170 while (map && *map && **map == *CHR_SPACE)
172 remain = n->u.data.len - (b - n->u.data.data);
174 map = (*p->map_chrs_input)(&b, remain);
181 while (map && *map && **map != *CHR_SPACE)
185 while (i < GRS_MAX_WORD && *cp)
187 remain = n->u.data.len - (b - n->u.data.data);
189 map = (*p->map_chrs_input)(&b, remain);
196 (*p->init)(&wrd); /* set defaults */
197 wrd.which = Word_String;
200 wrd.attrSet = att->parent->ordinal;
201 wrd.attrUse = att->locals->local;
206 static void dumpkeys_phrase(data1_node *n, struct recExtractCtrl *p,
209 char *b = n->u.data.data;
210 char buf[GRS_MAX_WORD+1], **map = 0;
214 remain = n->u.data.len - (b - n->u.data.data);
216 map = (*p->map_chrs_input)(&b, remain);
218 while (remain > 0 && i < GRS_MAX_WORD)
220 while (map && *map && **map == *CHR_SPACE)
222 remain = n->u.data.len - (b - n->u.data.data);
224 map = (*p->map_chrs_input)(&b, remain);
231 if (i && i < GRS_MAX_WORD)
232 buf[i++] = *CHR_SPACE;
233 while (map && *map && **map != *CHR_SPACE)
237 if (i >= GRS_MAX_WORD)
239 while (i < GRS_MAX_WORD && *cp)
241 remain = n->u.data.len - (b - n->u.data.data);
243 map = (*p->map_chrs_input)(&b, remain);
252 wrd.which = Word_Phrase;
255 wrd.attrSet = att->parent->ordinal;
256 wrd.attrUse = att->locals->local;
260 static int dumpkeys(data1_node *n, struct recExtractCtrl *p, int level)
262 for (; n; n = n->next)
264 if (p->flagShowRecords) /* display element description to user */
266 if (n->which == DATA1N_root)
268 printf("%*s", level * 4, "");
269 printf("Record type: '%s'\n", n->u.root.absyn->name);
271 else if (n->which == DATA1N_tag)
275 printf("%*s", level * 4, "");
276 if (!(e = n->u.tag.element))
277 printf("Local tag: '%s'\n", n->u.tag.tag);
280 printf("Elm: '%s' ", e->name);
283 data1_tag *t = e->tag;
285 printf("TagNam: '%s' ", t->names->name);
288 printf("%s[%d],", t->tagset->name, t->tagset->type);
291 if (t->which == DATA1T_numeric)
292 printf("%d)", t->value.numeric);
294 printf("'%s')", t->value.string);
302 if (dumpkeys(n->child, p, level + 1) < 0)
305 if (n->which == DATA1N_data)
307 data1_node *par = get_parent_tag(n);
308 data1_termlist *tlist = 0;
310 if (p->flagShowRecords)
312 printf("%*s", level * 4, "");
314 if (n->u.data.len > 20)
315 printf("'%.20s...'\n", n->u.data.data);
316 else if (n->u.data.len > 0)
317 printf("'%.*s'\n", n->u.data.len, n->u.data.data);
325 * cycle up towards the root until we find a tag with an att..
326 * this has the effect of indexing locally defined tags with
327 * the attribute of their ancestor in the record.
330 while (!par->u.tag.element)
331 if (!par->parent || !(par = get_parent_tag(par->parent)))
335 else if (par->u.tag.element->termlists)
336 tlist = par->u.tag.element->termlists;
340 for (; tlist; tlist = tlist->next)
342 if (p->flagShowRecords)
344 printf("%*sIdx: [", (level + 1) * 4, "");
345 switch (tlist->structure)
347 case DATA1S_word: printf("w"); break;
348 case DATA1S_phrase: printf("p"); break;
349 default: printf("?"); break;
352 printf("%s:%s [%d]\n", tlist->att->parent->name,
353 tlist->att->name, tlist->att->value);
355 else switch (tlist->structure)
358 dumpkeys_word(n, p, tlist->att); break;
360 dumpkeys_phrase(n, p, tlist->att); break;
362 logf(LOG_FATAL, "Bad structure type in dumpkeys");
367 if (p->flagShowRecords && n->which == DATA1N_root)
369 printf("%*s-------------\n\n", level * 4, "");
375 static int grs_extract(struct recExtractCtrl *p)
378 NMEM mem = nmem_create();
379 struct grs_read_info gri;
382 gri.readf = p->readf;
383 gri.seekf = p->seekf;
386 gri.offset = p->offset;
389 n = read_grs_type (&gri, p->subType);
392 if (dumpkeys(n, p, 0) < 0)
403 * Return: -1: Nothing done. 0: Ok. >0: Bib-1 diagnostic.
405 static int process_comp(data1_node *n, Z_RecordComposition *c)
407 data1_esetname *eset;
413 case Z_RecordComp_simple:
414 if (c->u.simple->which != Z_ElementSetNames_generic)
415 return 26; /* only generic form supported. Fix this later */
416 if (!(eset = data1_getesetbyname(n->u.root.absyn,
417 c->u.simple->u.generic)))
419 logf(LOG_LOG, "Unknown esetname '%s'", c->u.simple->u.generic);
420 return 25; /* invalid esetname */
422 logf(LOG_DEBUG, "Esetname '%s' in simple compspec",
423 c->u.simple->u.generic);
426 case Z_RecordComp_complex:
427 if (c->u.complex->generic)
429 /* insert check for schema */
430 if ((p = c->u.complex->generic->elementSpec))
433 case Z_ElementSpec_elementSetName:
434 if (!(eset = data1_getesetbyname(n->u.root.absyn,
435 p->u.elementSetName)))
437 logf(LOG_LOG, "Unknown esetname '%s'",
438 p->u.elementSetName);
439 return 25; /* invalid esetname */
441 logf(LOG_DEBUG, "Esetname '%s' in complex compspec",
442 p->u.elementSetName);
445 case Z_ElementSpec_externalSpec:
446 if (p->u.externalSpec->which == Z_External_espec1)
448 logf(LOG_DEBUG, "Got Espec-1");
449 espec = p->u.externalSpec-> u.espec1;
453 logf(LOG_LOG, "Unknown external espec.");
454 return 25; /* bad. what is proper diagnostic? */
463 return data1_doespec1(n, espec);
468 static int grs_retrieve(struct recRetrieveCtrl *p)
470 data1_node *node = 0, *onode = 0;
473 int res, selected = 0;
474 NMEM mem = nmem_create();
475 struct grs_read_info gri;
477 gri.readf = p->readf;
478 gri.seekf = p->seekf;
484 node = read_grs_type (&gri, p->subType);
485 /* node = data1_read_record(p->readf, p->fh, mem); */
491 if (p->score >= 0 && (new = data1_insert_taggeddata(node, node, "rank",
494 new->u.data.what = DATA1I_num;
495 new->u.data.data = new->u.data.lbuf;
496 sprintf(new->u.data.data, "%d", p->score);
497 new->u.data.len = strlen(new->u.data.data);
499 if ((new = data1_insert_taggeddata(node, node, "localControlNumber", mem)))
501 new->u.data.what = DATA1I_text;
502 new->u.data.data = new->u.data.lbuf;
503 sprintf(new->u.data.data, "%d", p->localno);
504 new->u.data.len = strlen(new->u.data.data);
506 if (p->input_format == VAL_GRS1 && node->u.root.absyn &&
507 node->u.root.absyn->reference != VAL_NONE)
512 oe.proto = PROTO_Z3950;
513 oe.oclass = CLASS_SCHEMA;
514 oe.value = node->u.root.absyn->reference;
516 if ((oid = oid_getoidbyent(&oe)))
522 for (ii = oid; *ii >= 0; ii++)
526 sprintf(p, "%d", *ii);
531 if ((new = data1_insert_taggeddata(node, node, "schemaIdentifier",
534 new->u.data.what = DATA1I_oid;
535 new->u.data.data = nmem_malloc(mem, p - tmp);
536 memcpy(new->u.data.data, tmp, p - tmp);
537 new->u.data.len = p - tmp;
543 * Does the requested format match a known schema-mapping? (this reflects
544 * the overlap of schema and formatting which is inherent in the MARC
546 * NOTE: This should look at the schema-specification in the compspec
549 for (map = node->u.root.absyn->maptabs; map; map = map->next)
550 if (map->target_absyn_ref == p->input_format)
553 if (!(node = data1_map_record(onode, map, mem)))
562 if (p->comp && (res = process_comp(node, p->comp)) > 0)
566 data1_free_tree(onode);
567 data1_free_tree(node);
571 else if (p->comp && !res)
574 switch (p->output_format = (p->input_format != VAL_NONE ?
575 p->input_format : VAL_SUTRS))
577 data1_marctab *marctab;
581 if (!(p->rec_buf = data1_nodetogr(node, selected, p->odr, &dummy)))
582 p->diagnostic = 2; /* this should be better specified */
587 if (!(p->rec_buf = data1_nodetoexplain(node, selected, p->odr)))
588 p->diagnostic = 2; /* this should be better specified */
593 if (!(p->rec_buf = data1_nodetosummary(node, selected, p->odr)))
599 if (!(p->rec_buf = data1_nodetobuf(node, selected,
607 if (!(p->rec_buf = data1_nodetosoif(node, selected,
615 for (marctab = node->u.root.absyn->marc; marctab;
616 marctab = marctab->next)
617 if (marctab->reference == p->input_format)
624 if (!(p->rec_buf = data1_nodetomarc(marctab, node, selected,
632 data1_free_tree(node);
634 data1_free_tree(onode);
639 static struct recType grs_type =
647 RecType recTypeGrs = &grs_type;