2 * Copyright (C) 1994-1996, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.2 1996-10-11 16:06:43 quinn
8 * Fixed arguments to nodetogr
10 * Revision 1.1 1996/10/11 10:57:25 adam
11 * New module recctrl. Used to manage records (extract/retrieval).
13 * Revision 1.29 1996/10/08 10:30:21 quinn
16 * Revision 1.28 1996/10/07 16:06:40 quinn
19 * Revision 1.27 1996/06/11 10:54:12 quinn
22 * Revision 1.26 1996/06/06 12:08:45 quinn
23 * Added showRecord function
25 * Revision 1.25 1996/06/04 14:18:53 quinn
28 * Revision 1.24 1996/06/04 13:27:54 quinn
29 * More work on charmapping
31 * Revision 1.23 1996/06/04 10:19:01 adam
32 * Minor changes - removed include of ctype.h.
34 * Revision 1.22 1996/06/03 10:15:27 quinn
35 * Various character-mapping.
37 * Revision 1.21 1996/05/31 13:27:24 quinn
38 * Character-conversion in phrases, too.
40 * Revision 1.19 1996/05/16 15:31:14 quinn
43 * Revision 1.18 1996/05/09 07:28:56 quinn
44 * Work towards phrases and multiple registers
46 * Revision 1.17 1996/05/01 13:46:37 adam
47 * First work on multiple records in one file.
48 * New option, -offset, to the "unread" command in the filter module.
50 * Revision 1.16 1996/01/17 14:57:54 adam
51 * Prototype changed for reader functions in extract/retrieve. File
52 * is identified by 'void *' instead of 'int.
54 * Revision 1.15 1996/01/08 19:15:47 adam
55 * New input filter that works!
57 * Revision 1.14 1995/12/15 12:36:11 adam
58 * Retrieval calls data1_read_regx when subType is specified.
60 * Revision 1.13 1995/12/15 12:24:43 quinn
61 * *** empty log message ***
63 * Revision 1.12 1995/12/15 12:20:28 quinn
64 * *** empty log message ***
66 * Revision 1.11 1995/12/15 12:07:57 quinn
67 * Changed extraction strategy.
69 * Revision 1.10 1995/12/14 11:10:48 quinn
72 * Revision 1.9 1995/12/13 17:14:05 quinn
73 * *** empty log message ***
75 * Revision 1.8 1995/12/13 15:33:18 quinn
76 * *** empty log message ***
78 * Revision 1.7 1995/12/13 13:45:39 quinn
79 * Changed data1 to use nmem.
81 * Revision 1.6 1995/12/04 14:22:30 adam
82 * Extra arg to recType_byName.
83 * Started work on new regular expression parsed input to
86 * Revision 1.5 1995/11/28 14:18:37 quinn
89 * Revision 1.4 1995/11/21 13:14:49 quinn
90 * Fixed end-of-data-field problem (maybe).
92 * Revision 1.3 1995/11/15 19:13:09 adam
93 * Work on record management.
99 #include <sys/types.h>
109 #define GRS_MAX_WORD 512
111 static int seqno = 0;
113 static data1_node *read_grs_type (struct grs_read_info *p, const char *type)
117 data1_node *(*func)(struct grs_read_info *p);
119 { "sgml", grs_read_sgml },
120 { "regx", grs_read_regx },
123 const char *cp = strchr (type, '.');
126 if (cp == NULL || cp == type)
128 cp = strlen(type) + type;
132 strcpy (p->type, cp+1);
133 for (i=0; tab[i].type; i++)
135 if (!memcmp (type, tab[i].type, cp-type))
136 return (tab[i].func)(p);
141 static void grs_init(void)
145 static void dumpkeys_word(data1_node *n, struct recExtractCtrl *p,
148 char *b = n->u.data.data;
152 remain = n->u.data.len - (b - n->u.data.data);
154 map = (*p->map_chrs_input)(&b, remain);
159 char buf[GRS_MAX_WORD+1];
163 while (map && *map && **map == *CHR_SPACE)
165 remain = n->u.data.len - (b - n->u.data.data);
167 map = (*p->map_chrs_input)(&b, remain);
174 while (map && *map && **map != *CHR_SPACE)
178 while (i < GRS_MAX_WORD && *cp)
180 remain = n->u.data.len - (b - n->u.data.data);
182 map = (*p->map_chrs_input)(&b, remain);
189 (*p->init)(&wrd); /* set defaults */
190 wrd.which = Word_String;
193 wrd.attrSet = att->parent->ordinal;
194 wrd.attrUse = att->locals->local;
199 static void dumpkeys_phrase(data1_node *n, struct recExtractCtrl *p,
202 char *b = n->u.data.data;
203 char buf[GRS_MAX_WORD+1], **map = 0;
207 remain = n->u.data.len - (b - n->u.data.data);
209 map = (*p->map_chrs_input)(&b, remain);
211 while (remain > 0 && i < GRS_MAX_WORD)
213 while (map && *map && **map == *CHR_SPACE)
215 remain = n->u.data.len - (b - n->u.data.data);
217 map = (*p->map_chrs_input)(&b, remain);
224 if (i && i < GRS_MAX_WORD)
225 buf[i++] = *CHR_SPACE;
226 while (map && *map && **map != *CHR_SPACE)
230 if (i >= GRS_MAX_WORD)
232 while (i < GRS_MAX_WORD && *cp)
234 remain = n->u.data.len - (b - n->u.data.data);
236 map = (*p->map_chrs_input)(&b, remain);
245 wrd.which = Word_Phrase;
248 wrd.attrSet = att->parent->ordinal;
249 wrd.attrUse = att->locals->local;
253 static int dumpkeys(data1_node *n, struct recExtractCtrl *p, int level)
255 for (; n; n = n->next)
257 if (p->flagShowRecords) /* display element description to user */
259 if (n->which == DATA1N_root)
261 printf("%*s", level * 4, "");
262 printf("Record type: '%s'\n", n->u.root.absyn->name);
264 else if (n->which == DATA1N_tag)
268 printf("%*s", level * 4, "");
269 if (!(e = n->u.tag.element))
270 printf("Local tag: '%s'\n", n->u.tag.tag);
273 printf("Elm: '%s' ", e->name);
276 data1_tag *t = e->tag;
278 printf("TagNam: '%s' ", t->names->name);
281 printf("%s[%d],", t->tagset->name, t->tagset->type);
284 if (t->which == DATA1T_numeric)
285 printf("%d)", t->value.numeric);
287 printf("'%s')", t->value.string);
295 if (dumpkeys(n->child, p, level + 1) < 0)
298 if (n->which == DATA1N_data)
300 data1_node *par = get_parent_tag(n);
301 data1_termlist *tlist = 0;
303 if (p->flagShowRecords)
305 printf("%*s", level * 4, "");
307 if (n->u.data.len > 20)
308 printf("'%.20s...'\n", n->u.data.data);
309 else if (n->u.data.len > 0)
310 printf("'%.*s'\n", n->u.data.len, n->u.data.data);
318 * cycle up towards the root until we find a tag with an att..
319 * this has the effect of indexing locally defined tags with
320 * the attribute of their ancestor in the record.
323 while (!par->u.tag.element)
324 if (!par->parent || !(par = get_parent_tag(par->parent)))
328 else if (par->u.tag.element->termlists)
329 tlist = par->u.tag.element->termlists;
333 for (; tlist; tlist = tlist->next)
335 if (p->flagShowRecords)
337 printf("%*sIdx: [", (level + 1) * 4, "");
338 switch (tlist->structure)
340 case DATA1S_word: printf("w"); break;
341 case DATA1S_phrase: printf("p"); break;
342 default: printf("?"); break;
345 printf("%s:%s [%d]\n", tlist->att->parent->name,
346 tlist->att->name, tlist->att->value);
348 else switch (tlist->structure)
351 dumpkeys_word(n, p, tlist->att); break;
353 dumpkeys_phrase(n, p, tlist->att); break;
355 logf(LOG_FATAL, "Bad structure type in dumpkeys");
360 if (p->flagShowRecords && n->which == DATA1N_root)
362 printf("%*s-------------\n\n", level * 4, "");
368 static int grs_extract(struct recExtractCtrl *p)
371 NMEM mem = nmem_create();
372 struct grs_read_info gri;
375 gri.readf = p->readf;
376 gri.seekf = p->seekf;
379 gri.offset = p->offset;
382 n = read_grs_type (&gri, p->subType);
385 if (dumpkeys(n, p, 0) < 0)
396 * Return: -1: Nothing done. 0: Ok. >0: Bib-1 diagnostic.
398 static int process_comp(data1_node *n, Z_RecordComposition *c)
400 data1_esetname *eset;
406 case Z_RecordComp_simple:
407 if (c->u.simple->which != Z_ElementSetNames_generic)
408 return 26; /* only generic form supported. Fix this later */
409 if (!(eset = data1_getesetbyname(n->u.root.absyn,
410 c->u.simple->u.generic)))
412 logf(LOG_LOG, "Unknown esetname '%s'", c->u.simple->u.generic);
413 return 25; /* invalid esetname */
415 logf(LOG_DEBUG, "Esetname '%s' in simple compspec",
416 c->u.simple->u.generic);
419 case Z_RecordComp_complex:
420 if (c->u.complex->generic)
422 /* insert check for schema */
423 if ((p = c->u.complex->generic->elementSpec))
426 case Z_ElementSpec_elementSetName:
427 if (!(eset = data1_getesetbyname(n->u.root.absyn,
428 p->u.elementSetName)))
430 logf(LOG_LOG, "Unknown esetname '%s'",
431 p->u.elementSetName);
432 return 25; /* invalid esetname */
434 logf(LOG_DEBUG, "Esetname '%s' in complex compspec",
435 p->u.elementSetName);
438 case Z_ElementSpec_externalSpec:
439 if (p->u.externalSpec->which == Z_External_espec1)
441 logf(LOG_DEBUG, "Got Espec-1");
442 espec = p->u.externalSpec-> u.espec1;
446 logf(LOG_LOG, "Unknown external espec.");
447 return 25; /* bad. what is proper diagnostic? */
456 return data1_doespec1(n, espec);
461 static int grs_retrieve(struct recRetrieveCtrl *p)
463 data1_node *node = 0, *onode = 0;
466 int res, selected = 0;
467 NMEM mem = nmem_create();
468 struct grs_read_info gri;
470 gri.readf = p->readf;
471 gri.seekf = p->seekf;
477 node = read_grs_type (&gri, p->subType);
478 /* node = data1_read_record(p->readf, p->fh, mem); */
484 if (p->score >= 0 && (new = data1_insert_taggeddata(node, node, "rank",
487 new->u.data.what = DATA1I_num;
488 new->u.data.data = new->u.data.lbuf;
489 sprintf(new->u.data.data, "%d", p->score);
490 new->u.data.len = strlen(new->u.data.data);
492 if ((new = data1_insert_taggeddata(node, node, "localControlNumber", mem)))
494 new->u.data.what = DATA1I_text;
495 new->u.data.data = new->u.data.lbuf;
496 sprintf(new->u.data.data, "%d", p->localno);
497 new->u.data.len = strlen(new->u.data.data);
499 if (p->input_format == VAL_GRS1 && node->u.root.absyn &&
500 node->u.root.absyn->reference != VAL_NONE)
505 oe.proto = PROTO_Z3950;
506 oe.oclass = CLASS_SCHEMA;
507 oe.value = node->u.root.absyn->reference;
509 if ((oid = oid_getoidbyent(&oe)))
515 for (ii = oid; *ii >= 0; ii++)
519 sprintf(p, "%d", *ii);
524 if ((new = data1_insert_taggeddata(node, node, "schemaIdentifier",
527 new->u.data.what = DATA1I_oid;
528 new->u.data.data = nmem_malloc(mem, p - tmp);
529 memcpy(new->u.data.data, tmp, p - tmp);
530 new->u.data.len = p - tmp;
536 * Does the requested format match a known schema-mapping? (this reflects
537 * the overlap of schema and formatting which is inherent in the MARC
539 * NOTE: This should look at the schema-specification in the compspec
542 for (map = node->u.root.absyn->maptabs; map; map = map->next)
543 if (map->target_absyn_ref == p->input_format)
546 if (!(node = data1_map_record(onode, map, mem)))
555 if (p->comp && (res = process_comp(node, p->comp)) > 0)
559 data1_free_tree(onode);
560 data1_free_tree(node);
564 else if (p->comp && !res)
567 switch (p->output_format = (p->input_format != VAL_NONE ?
568 p->input_format : VAL_SUTRS))
570 data1_marctab *marctab;
574 if (!(p->rec_buf = data1_nodetogr(node, selected, p->odr, &dummy)))
575 p->diagnostic = 2; /* this should be better specified */
580 if (!(p->rec_buf = data1_nodetoexplain(node, selected, p->odr)))
581 p->diagnostic = 2; /* this should be better specified */
586 if (!(p->rec_buf = data1_nodetosummary(node, selected, p->odr)))
592 if (!(p->rec_buf = data1_nodetobuf(node, selected,
600 if (!(p->rec_buf = data1_nodetosoif(node, selected,
608 for (marctab = node->u.root.absyn->marc; marctab;
609 marctab = marctab->next)
610 if (marctab->reference == p->input_format)
617 if (!(p->rec_buf = data1_nodetomarc(marctab, node, selected,
625 data1_free_tree(node);
627 data1_free_tree(onode);
632 static struct recType grs_type =
640 RecType recTypeGrs = &grs_type;