/*
- * Copyright (C) 1994-1997, Index Data I/S
+ * Copyright (C) 1994-2001, Index Data
* All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
*
* $Log: recgrs.c,v $
- * Revision 1.10 1997-09-18 08:59:21 adam
+ * Revision 1.43 2002-03-21 23:06:36 adam
+ * Source 'tag' in abs-file
+ *
+ * Revision 1.42 2002/02/20 17:30:01 adam
+ * Work on new API. Locking system re-implemented
+ *
+ * Revision 1.41 2001/05/22 21:01:47 adam
+ * Removed print of data1 tree on stdout so that inetd works again.
+ *
+ * Revision 1.40 2001/03/29 21:31:31 adam
+ * Fixed "record begin" for Tcl filter.
+ *
+ * Revision 1.39 2000/12/05 19:09:15 adam
+ * Fixed problem where indexer could crash if abstract syntax was undefined.
+ *
+ * Revision 1.38 2000/12/05 14:44:58 adam
+ * Fixed minor bug that could cause zmbol to break it data were emitted
+ * with not parent tags.
+ *
+ * Revision 1.37 2000/12/05 12:22:53 adam
+ * Termlist source implemented (so that we can index values of XML/SGML
+ * attributes).
+ *
+ * Revision 1.36 2000/12/05 10:01:44 adam
+ * Fixed bug regarding user-defined attribute sets.
+ *
+ * Revision 1.35 2000/11/29 15:21:31 adam
+ * Fixed problem with passwd db.
+ *
+ * Revision 1.34 2000/02/25 13:24:49 adam
+ * Fixed bug regarding pointer conversion that showed up on OSF V5.
+ *
+ * Revision 1.33 1999/11/30 13:48:04 adam
+ * Improved installation. Updated for inclusion of YAZ header files.
+ *
+ * Revision 1.32 1999/09/07 07:19:21 adam
+ * Work on character mapping. Implemented replace rules.
+ *
+ * Revision 1.31 1999/07/14 10:56:43 adam
+ * Fixed potential memory leak.
+ *
+ * Revision 1.30 1999/07/06 12:26:41 adam
+ * Retrieval handler obeys schema and handles XML transfer syntax.
+ *
+ * Revision 1.29 1999/05/26 07:49:14 adam
+ * C++ compilation.
+ *
+ * Revision 1.28 1999/05/21 12:00:17 adam
+ * Better diagnostics for extraction process.
+ *
+ * Revision 1.27 1999/05/20 12:57:18 adam
+ * Implemented TCL filter. Updated recctrl system.
+ *
+ * Revision 1.26 1999/03/02 16:15:44 quinn
+ * Added "tagsysno" and "tagrank" directives to zebra.cfg.
+ *
+ * Revision 1.25 1999/02/18 15:01:26 adam
+ * Minor changes.
+ *
+ * Revision 1.24 1999/02/02 14:51:28 adam
+ * Updated WIN32 code specific sections. Changed header.
+ *
+ * Revision 1.23 1998/10/18 07:51:10 adam
+ * Changed one logf call.
+ *
+ * Revision 1.22 1998/10/16 08:14:37 adam
+ * Updated record control system.
+ *
+ * Revision 1.21 1998/07/01 09:16:10 adam
+ * Element localno only added when it's greater than 0.
+ *
+ * Revision 1.20 1998/05/20 10:12:26 adam
+ * Implemented automatic EXPLAIN database maintenance.
+ * Modified Zebra to work with ASN.1 compiled version of YAZ.
+ *
+ * Revision 1.19 1998/03/11 11:19:05 adam
+ * Changed the way sequence numbers are generated.
+ *
+ * Revision 1.18 1998/03/05 08:41:31 adam
+ * Minor changes.
+ *
+ * Revision 1.17 1998/02/10 12:03:06 adam
+ * Implemented Sort.
+ *
+ * Revision 1.16 1998/01/29 13:38:17 adam
+ * Fixed problem with mapping to record with unknown schema.
+ *
+ * Revision 1.15 1998/01/26 10:37:57 adam
+ * Better diagnostics.
+ *
+ * Revision 1.14 1997/11/06 11:41:01 adam
+ * Implemented "begin variant" for the sgml.regx filter.
+ *
+ * Revision 1.13 1997/10/31 12:35:44 adam
+ * Added a few log statements.
+ *
+ * Revision 1.12 1997/10/29 12:02:22 adam
+ * Using oid_ent_to_oid used instead of the non thread-safe oid_getoidbyent.
+ *
+ * Revision 1.11 1997/10/27 14:34:00 adam
+ * Work on generic character mapping depending on "structure" field
+ * in abstract syntax file.
+ *
+ * Revision 1.10 1997/09/18 08:59:21 adam
* Extra generic handle for the character mapping routines.
*
* Revision 1.9 1997/09/17 12:19:21 adam
#include <stdio.h>
#include <assert.h>
#include <sys/types.h>
-#ifndef WINDOWS
+#ifndef WIN32
#include <unistd.h>
#endif
-#include <log.h>
-#include <oid.h>
+#include <yaz/log.h>
+#include <yaz/oid.h>
#include <recctrl.h>
-#include <charmap.h>
#include "grsread.h"
#define GRS_MAX_WORD 512
-static int seqno = 0;
+struct grs_handler {
+ RecTypeGrs type;
+ void *clientData;
+ int initFlag;
+ struct grs_handler *next;
+};
+
+struct grs_handlers {
+ struct grs_handler *handlers;
+};
-static data1_node *read_grs_type (struct grs_read_info *p, const char *type)
+static int read_grs_type (struct grs_handlers *h,
+ struct grs_read_info *p, const char *type,
+ data1_node **root)
{
- static struct {
- char *type;
- data1_node *(*func)(struct grs_read_info *p);
- } tab[] = {
- { "sgml", grs_read_sgml },
- { "regx", grs_read_regx },
- { "marc", grs_read_marc },
- { NULL, NULL }
- };
+ struct grs_handler *gh = h->handlers;
const char *cp = strchr (type, '.');
- int i;
if (cp == NULL || cp == type)
{
}
else
strcpy (p->type, cp+1);
- for (i=0; tab[i].type; i++)
+ for (gh = h->handlers; gh; gh = gh->next)
{
- if (!memcmp (type, tab[i].type, cp-type))
- return (tab[i].func)(p);
+ if (!memcmp (type, gh->type->type, cp-type))
+ {
+ if (!gh->initFlag)
+ {
+ gh->initFlag = 1;
+ gh->clientData = (*gh->type->init)();
+ }
+ p->clientData = gh->clientData;
+ *root = (gh->type->read)(p);
+ gh->clientData = p->clientData;
+ return 0;
+ }
}
- return NULL;
+ return 1;
}
-static void grs_init(void)
+static void grs_add_handler (struct grs_handlers *h, RecTypeGrs t)
{
+ struct grs_handler *gh = (struct grs_handler *) malloc (sizeof(*gh));
+ gh->next = h->handlers;
+ h->handlers = gh;
+ gh->initFlag = 0;
+ gh->clientData = 0;
+ gh->type = t;
}
-static void dumpkeys_word(data1_node *n, struct recExtractCtrl *p,
- data1_att *att)
+static void *grs_init(RecType recType)
{
- const char *b = n->u.data.data;
- int remain;
- const char **map = 0;
+ struct grs_handlers *h = (struct grs_handlers *) malloc (sizeof(*h));
+ h->handlers = 0;
- remain = n->u.data.len - (b - n->u.data.data);
- if (remain > 0)
- map = (*p->map_chrs_input)(0, &b, remain);
+ grs_add_handler (h, recTypeGrs_sgml);
+ grs_add_handler (h, recTypeGrs_regx);
+#if HAVE_TCL_H
+ grs_add_handler (h, recTypeGrs_tcl);
+#endif
+ grs_add_handler (h, recTypeGrs_marc);
+ return h;
+}
- while (map)
+static void grs_destroy(void *clientData)
+{
+ struct grs_handlers *h = (struct grs_handlers *) clientData;
+ struct grs_handler *gh = h->handlers, *gh_next;
+ while (gh)
{
- RecWord wrd;
- char buf[GRS_MAX_WORD+1];
- int i, remain;
-
- /* Skip spaces */
- while (map && *map && **map == *CHR_SPACE)
- {
- remain = n->u.data.len - (b - n->u.data.data);
- if (remain > 0)
- map = (*p->map_chrs_input)(0, &b, remain);
- else
- map = 0;
- }
- if (!map)
- break;
- i = 0;
- while (map && *map && **map != *CHR_SPACE)
- {
- const char *cp = *map;
-
- while (i < GRS_MAX_WORD && *cp)
- buf[i++] = *(cp++);
- remain = n->u.data.len - (b - n->u.data.data);
- if (remain > 0)
- map = (*p->map_chrs_input)(0, &b, remain);
- else
- map = 0;
- }
- if (!i)
- return;
- buf[i] = '\0';
- (*p->init)(&wrd); /* set defaults */
- wrd.which = Word_String;
- wrd.seqno = seqno++;
- wrd.u.string = buf;
- wrd.attrSet = att->parent->ordinal;
- wrd.attrUse = att->locals->local;
- (*p->add)(&wrd);
+ gh_next = gh->next;
+ if (gh->initFlag)
+ (*gh->type->destroy)(gh->clientData);
+ free (gh);
+ gh = gh_next;
}
+ free (h);
}
-static void dumpkeys_phrase(data1_node *n, struct recExtractCtrl *p,
- data1_att *att)
+static void index_tag (data1_node *par, data1_node *n,
+ struct recExtractCtrl *p, int level, RecWord *wrd)
{
- const char *b = n->u.data.data;
- char buf[GRS_MAX_WORD+1];
- const char **map = 0;
- RecWord wrd;
- int i = 0, remain;
-
- remain = n->u.data.len - (b - n->u.data.data);
- if (remain > 0)
- map = (*p->map_chrs_input)(0, &b, remain);
-
- while (remain > 0 && i < GRS_MAX_WORD)
+ data1_termlist *tlist = 0;
+ data1_datatype dtype = DATA1K_string;
+ /*
+ * cycle up towards the root until we find a tag with an att..
+ * this has the effect of indexing locally defined tags with
+ * the attribute of their ancestor in the record.
+ */
+
+ while (!par->u.tag.element)
+ if (!par->parent || !(par=get_parent_tag(p->dh, par->parent)))
+ break;
+ if (!par || !(tlist = par->u.tag.element->termlists))
+ return;
+ if (par->u.tag.element->tag)
+ dtype = par->u.tag.element->tag->kind;
+
+ for (; tlist; tlist = tlist->next)
{
- while (map && *map && **map == *CHR_SPACE)
+ char xattr[512];
+ /* consider source */
+ wrd->string = 0;
+
+ if (!strcmp (tlist->source, "data") && n->which == DATA1N_data)
{
- remain = n->u.data.len - (b - n->u.data.data);
- if (remain > 0)
- map = (*p->map_chrs_input)(0, &b, remain);
- else
- map = 0;
+ wrd->string = n->u.data.data;
+ wrd->length = n->u.data.len;
}
- if (!map)
- break;
-
- if (i && i < GRS_MAX_WORD)
- buf[i++] = *CHR_SPACE;
- while (map && *map && **map != *CHR_SPACE)
+ else if (!strcmp (tlist->source, "tag") && n->which == DATA1N_tag)
+ {
+ wrd->string = n->u.tag.tag;
+ wrd->length = strlen(n->u.tag.tag);
+ }
+ else if (sscanf (tlist->source, "attr(%511[^)])", xattr) == 1 &&
+ n->which == DATA1N_tag)
{
- const char *cp = *map;
-
- if (i >= GRS_MAX_WORD)
- break;
- while (i < GRS_MAX_WORD && *cp)
- buf[i++] = *(cp++);
- remain = n->u.data.len - (b - n->u.data.data);
- if (remain > 0)
- map = (*p->map_chrs_input)(0, &b, remain);
+ data1_xattr *p = n->u.tag.attributes;
+ while (p && strcmp (p->name, xattr))
+ p = p->next;
+ if (p)
+ {
+ wrd->string = p->value;
+ wrd->length = strlen(p->value);
+ }
+ }
+ if (wrd->string)
+ {
+ if (p->flagShowRecords)
+ {
+ int i;
+ printf("%*sIdx: [%s]", (level + 1) * 4, "",
+ tlist->structure);
+ printf("%s:%s [%d] %s",
+ tlist->att->parent->name,
+ tlist->att->name, tlist->att->value,
+ tlist->source);
+ printf (" data=\"");
+ for (i = 0; i<wrd->length && i < 8; i++)
+ fputc (wrd->string[i], stdout);
+ fputc ('"', stdout);
+ if (wrd->length > 8)
+ printf (" ...");
+ fputc ('\n', stdout);
+ }
else
- map = 0;
+ {
+ wrd->reg_type = *tlist->structure;
+ wrd->attrSet = (int) (tlist->att->parent->reference);
+ wrd->attrUse = tlist->att->locals->local;
+ (*p->tokenAdd)(wrd);
+ }
}
}
- if (!i)
- return;
- buf[i] = '\0';
- (*p->init)(&wrd);
- wrd.which = Word_Phrase;
- wrd.seqno = seqno++;
- wrd.u.string = buf;
- wrd.attrSet = att->parent->ordinal;
- wrd.attrUse = att->locals->local;
- (*p->add)(&wrd);
}
static int dumpkeys(data1_node *n, struct recExtractCtrl *p, int level)
{
+ RecWord wrd;
+ (*p->init)(p, &wrd); /* set defaults */
for (; n; n = n->next)
{
if (p->flagShowRecords) /* display element description to user */
if (dumpkeys(n->child, p, level + 1) < 0)
return -1;
+ if (n->which == DATA1N_tag)
+ {
+ index_tag (n, n, p, level, &wrd);
+ }
+
if (n->which == DATA1N_data)
{
data1_node *par = get_parent_tag(p->dh, n);
- data1_termlist *tlist = 0;
if (p->flagShowRecords)
{
printf("%*s", level * 4, "");
printf("Data: ");
- if (n->u.data.len > 20)
- printf("'%.20s...'\n", n->u.data.data);
+ if (n->u.data.len > 32)
+ printf("'%.24s ... %.6s'\n", n->u.data.data,
+ n->u.data.data + n->u.data.len-6);
else if (n->u.data.len > 0)
printf("'%.*s'\n", n->u.data.len, n->u.data.data);
else
printf("NULL\n");
}
- assert(par);
-
- /*
- * cycle up towards the root until we find a tag with an att..
- * this has the effect of indexing locally defined tags with
- * the attribute of their ancestor in the record.
- */
-
- while (!par->u.tag.element)
- if (!par->parent || !(par = get_parent_tag(p->dh, par->parent)))
- break;
- if (!par)
- tlist = 0;
- else if (par->u.tag.element->termlists)
- tlist = par->u.tag.element->termlists;
- else
- continue;
-
- for (; tlist; tlist = tlist->next)
- {
- if (p->flagShowRecords)
- {
- printf("%*sIdx: [", (level + 1) * 4, "");
- switch (tlist->structure)
- {
- case DATA1S_word: printf("w"); break;
- case DATA1S_phrase: printf("p"); break;
- default: printf("?"); break;
- }
- printf("] ");
- printf("%s:%s [%d]\n", tlist->att->parent->name,
- tlist->att->name, tlist->att->value);
- }
- else switch (tlist->structure)
- {
- case DATA1S_word:
- dumpkeys_word(n, p, tlist->att); break;
- case DATA1S_phrase:
- dumpkeys_phrase(n, p, tlist->att); break;
- default:
- logf(LOG_FATAL, "Bad structure type in dumpkeys");
- abort();
- }
- }
- }
+ if (par)
+ index_tag (par, n, p, level, &wrd);
+ }
if (p->flagShowRecords && n->which == DATA1N_root)
{
printf("%*s-------------\n\n", level * 4, "");
return 0;
}
-static int grs_extract(struct recExtractCtrl *p)
+int grs_extract_tree(struct recExtractCtrl *p, data1_node *n)
+{
+ oident oe;
+ int oidtmp[OID_SIZE];
+
+ oe.proto = PROTO_Z3950;
+ oe.oclass = CLASS_SCHEMA;
+ oe.value = n->u.root.absyn->reference;
+
+ if ((oid_ent_to_oid (&oe, oidtmp)))
+ (*p->schemaAdd)(p, oidtmp);
+
+ return dumpkeys(n, p, 0);
+}
+
+static int grs_extract_sub(struct grs_handlers *h, struct recExtractCtrl *p,
+ NMEM mem)
{
data1_node *n;
- NMEM mem = nmem_create();
struct grs_read_info gri;
- seqno = 0;
+ oident oe;
+ int oidtmp[OID_SIZE];
gri.readf = p->readf;
gri.seekf = p->seekf;
gri.mem = mem;
gri.dh = p->dh;
- n = read_grs_type (&gri, p->subType);
+ if (read_grs_type (h, &gri, p->subType, &n))
+ return RECCTRL_EXTRACT_ERROR;
if (!n)
- return -1;
+ return RECCTRL_EXTRACT_EOF;
+ oe.proto = PROTO_Z3950;
+ oe.oclass = CLASS_SCHEMA;
+ if (!n->u.root.absyn)
+ return RECCTRL_EXTRACT_ERROR;
+ oe.value = n->u.root.absyn->reference;
+ if ((oid_ent_to_oid (&oe, oidtmp)))
+ (*p->schemaAdd)(p, oidtmp);
+
+#if 0
+ data1_pr_tree (p->dh, n, stdout);
+#endif
if (dumpkeys(n, p, 0) < 0)
{
data1_free_tree(p->dh, n);
- return -2;
+ return RECCTRL_EXTRACT_ERROR;
}
data1_free_tree(p->dh, n);
+ return RECCTRL_EXTRACT_OK;
+}
+
+static int grs_extract(void *clientData, struct recExtractCtrl *p)
+{
+ int ret;
+ NMEM mem = nmem_create ();
+ struct grs_handlers *h = (struct grs_handlers *) clientData;
+
+ ret = grs_extract_sub(h, p, mem);
nmem_destroy(mem);
- return 0;
+ return ret;
}
/*
switch (c->which)
{
- case Z_RecordComp_simple:
- if (c->u.simple->which != Z_ElementSetNames_generic)
- return 26; /* only generic form supported. Fix this later */
- if (!(eset = data1_getesetbyname(dh, n->u.root.absyn,
- c->u.simple->u.generic)))
- {
- logf(LOG_LOG, "Unknown esetname '%s'", c->u.simple->u.generic);
- return 25; /* invalid esetname */
- }
- logf(LOG_DEBUG, "Esetname '%s' in simple compspec",
- c->u.simple->u.generic);
- espec = eset->spec;
- break;
- case Z_RecordComp_complex:
- if (c->u.complex->generic)
+ case Z_RecordComp_simple:
+ if (c->u.simple->which != Z_ElementSetNames_generic)
+ return 26; /* only generic form supported. Fix this later */
+ if (!(eset = data1_getesetbyname(dh, n->u.root.absyn,
+ c->u.simple->u.generic)))
+ {
+ logf(LOG_LOG, "Unknown esetname '%s'", c->u.simple->u.generic);
+ return 25; /* invalid esetname */
+ }
+ logf(LOG_DEBUG, "Esetname '%s' in simple compspec",
+ c->u.simple->u.generic);
+ espec = eset->spec;
+ break;
+ case Z_RecordComp_complex:
+ if (c->u.complex->generic)
+ {
+ /* insert check for schema */
+ if ((p = c->u.complex->generic->elementSpec))
{
- /* insert check for schema */
- if ((p = c->u.complex->generic->elementSpec))
- switch (p->which)
+ switch (p->which)
+ {
+ case Z_ElementSpec_elementSetName:
+ if (!(eset =
+ data1_getesetbyname(dh, n->u.root.absyn,
+ p->u.elementSetName)))
+ {
+ logf(LOG_LOG, "Unknown esetname '%s'",
+ p->u.elementSetName);
+ return 25; /* invalid esetname */
+ }
+ logf(LOG_DEBUG, "Esetname '%s' in complex compspec",
+ p->u.elementSetName);
+ espec = eset->spec;
+ break;
+ case Z_ElementSpec_externalSpec:
+ if (p->u.externalSpec->which == Z_External_espec1)
{
- case Z_ElementSpec_elementSetName:
- if (!(eset =
- data1_getesetbyname(dh,
- n->u.root.absyn,
- p->u.elementSetName)))
- {
- logf(LOG_LOG, "Unknown esetname '%s'",
- p->u.elementSetName);
- return 25; /* invalid esetname */
- }
- logf(LOG_DEBUG, "Esetname '%s' in complex compspec",
- p->u.elementSetName);
- espec = eset->spec;
- break;
- case Z_ElementSpec_externalSpec:
- if (p->u.externalSpec->which == Z_External_espec1)
- {
- logf(LOG_DEBUG, "Got Espec-1");
- espec = p->u.externalSpec-> u.espec1;
- }
- else
- {
- logf(LOG_LOG, "Unknown external espec.");
- return 25; /* bad. what is proper diagnostic? */
- }
- break;
+ logf(LOG_DEBUG, "Got Espec-1");
+ espec = p->u.externalSpec-> u.espec1;
}
+ else
+ {
+ logf(LOG_LOG, "Unknown external espec.");
+ return 25; /* bad. what is proper diagnostic? */
+ }
+ break;
+ }
}
- else
- return 26; /* fix */
+ }
+ else
+ return 26; /* fix */
}
if (espec)
+ {
+ logf (LOG_DEBUG, "Element: Espec-1 match");
return data1_doespec1(dh, n, espec);
+ }
else
+ {
+ logf (LOG_DEBUG, "Element: all match");
return -1;
+ }
}
-static int grs_retrieve(struct recRetrieveCtrl *p)
+static int grs_retrieve(void *clientData, struct recRetrieveCtrl *p)
{
data1_node *node = 0, *onode = 0;
- data1_node *new;
+ data1_node *dnew;
data1_maptab *map;
int res, selected = 0;
- NMEM mem = nmem_create();
+ NMEM mem;
struct grs_read_info gri;
+ char *tagname;
+ struct grs_handlers *h = (struct grs_handlers *) clientData;
+ int requested_schema = VAL_NONE;
+ mem = nmem_create();
gri.readf = p->readf;
gri.seekf = p->seekf;
gri.tellf = p->tellf;
gri.mem = mem;
gri.dh = p->dh;
- node = read_grs_type (&gri, p->subType);
+ logf (LOG_DEBUG, "grs_retrieve");
+ if (read_grs_type (h, &gri, p->subType, &node))
+ {
+ p->diagnostic = 14;
+ nmem_destroy (mem);
+ return 0;
+ }
if (!node)
{
- p->diagnostic = 2;
+ p->diagnostic = 14;
+ nmem_destroy (mem);
return 0;
}
- if (p->score >= 0 && (new =
- data1_insert_taggeddata(p->dh, node,
- node, "rank",
- mem)))
+#if 0
+ data1_pr_tree (p->dh, node, stdout);
+#endif
+ logf (LOG_DEBUG, "grs_retrieve: size");
+ if ((dnew = data1_insert_taggeddata(p->dh, node, node,
+ "size", mem)))
{
- new->u.data.what = DATA1I_num;
- new->u.data.data = new->u.data.lbuf;
- sprintf(new->u.data.data, "%d", p->score);
- new->u.data.len = strlen(new->u.data.data);
+ dnew->u.data.what = DATA1I_text;
+ dnew->u.data.data = dnew->lbuf;
+ sprintf(dnew->u.data.data, "%d", p->recordSize);
+ dnew->u.data.len = strlen(dnew->u.data.data);
}
- if ((new = data1_insert_taggeddata(p->dh, node, node,
- "localControlNumber", mem)))
+
+ tagname = res_get_def(p->res, "tagrank", "rank");
+ if (strcmp(tagname, "0") && p->score >= 0 &&
+ (dnew = data1_insert_taggeddata(p->dh, node, node, tagname, mem)))
{
- new->u.data.what = DATA1I_text;
- new->u.data.data = new->u.data.lbuf;
- sprintf(new->u.data.data, "%d", p->localno);
- new->u.data.len = strlen(new->u.data.data);
+ logf (LOG_DEBUG, "grs_retrieve: %s", tagname);
+ dnew->u.data.what = DATA1I_num;
+ dnew->u.data.data = dnew->lbuf;
+ sprintf(dnew->u.data.data, "%d", p->score);
+ dnew->u.data.len = strlen(dnew->u.data.data);
}
- if (p->input_format == VAL_GRS1 && node->u.root.absyn &&
- node->u.root.absyn->reference != VAL_NONE)
+
+ tagname = res_get_def(p->res, "tagsysno", "localControlNumber");
+ if (strcmp(tagname, "0") && p->localno > 0 &&
+ (dnew = data1_insert_taggeddata(p->dh, node, node, tagname, mem)))
{
- oident oe;
- Odr_oid *oid;
+ logf (LOG_DEBUG, "grs_retrieve: %s", tagname);
+ dnew->u.data.what = DATA1I_text;
+ dnew->u.data.data = dnew->lbuf;
+ sprintf(dnew->u.data.data, "%d", p->localno);
+ dnew->u.data.len = strlen(dnew->u.data.data);
+ }
- oe.proto = PROTO_Z3950;
- oe.oclass = CLASS_SCHEMA;
- oe.value = node->u.root.absyn->reference;
+ if (p->comp && p->comp->which == Z_RecordComp_complex &&
+ p->comp->u.complex->generic &&
+ p->comp->u.complex->generic->schema)
+ {
+ oident *oe = oid_getentbyoid (p->comp->u.complex->generic->schema);
+ if (oe)
+ requested_schema = oe->value;
+ }
- if ((oid = oid_getoidbyent(&oe)))
+ /* If schema has been specified, map if possible, then check that
+ * we got the right one
+ */
+ if (requested_schema != VAL_NONE)
+ {
+ logf (LOG_DEBUG, "grs_retrieve: schema mapping");
+ for (map = node->u.root.absyn->maptabs; map; map = map->next)
{
- char tmp[128];
- data1_handle dh = p->dh;
- char *p = tmp;
- int *ii;
-
- for (ii = oid; *ii >= 0; ii++)
+ if (map->target_absyn_ref == requested_schema)
{
- if (p != tmp)
- *(p++) = '.';
- sprintf(p, "%d", *ii);
- p += strlen(p);
- }
- *(p++) = '\0';
-
- if ((new = data1_insert_taggeddata(dh, node, node,
- "schemaIdentifier", mem)))
- {
- new->u.data.what = DATA1I_oid;
- new->u.data.data = nmem_malloc(mem, p - tmp);
- memcpy(new->u.data.data, tmp, p - tmp);
- new->u.data.len = p - tmp;
+ onode = node;
+ if (!(node = data1_map_record(p->dh, onode, map, mem)))
+ {
+ p->diagnostic = 14;
+ nmem_destroy (mem);
+ return 0;
+ }
+ break;
}
}
+ if (node->u.root.absyn &&
+ requested_schema != node->u.root.absyn->reference)
+ {
+ p->diagnostic = 238;
+ nmem_destroy (mem);
+ return 0;
+ }
}
-
/*
- * Does the requested format match a known schema-mapping? (this reflects
+ * Does the requested format match a known syntax-mapping? (this reflects
* the overlap of schema and formatting which is inherent in the MARC
* family)
- * NOTE: This should look at the schema-specification in the compspec
- * as well.
*/
+ logf (LOG_DEBUG, "grs_retrieve: syntax mapping");
for (map = node->u.root.absyn->maptabs; map; map = map->next)
+ {
if (map->target_absyn_ref == p->input_format)
{
onode = node;
if (!(node = data1_map_record(p->dh, onode, map, mem)))
{
p->diagnostic = 14;
+ nmem_destroy (mem);
return 0;
}
-
break;
}
+ }
+ logf (LOG_DEBUG, "grs_retrieve: schemaIdentifier");
+ if (node->u.root.absyn &&
+ node->u.root.absyn->reference != VAL_NONE &&
+ p->input_format == VAL_GRS1)
+ {
+ oident oe;
+ Odr_oid *oid;
+ int oidtmp[OID_SIZE];
+
+ oe.proto = PROTO_Z3950;
+ oe.oclass = CLASS_SCHEMA;
+ oe.value = node->u.root.absyn->reference;
+
+ if ((oid = oid_ent_to_oid (&oe, oidtmp)))
+ {
+ char tmp[128];
+ data1_handle dh = p->dh;
+ char *p = tmp;
+ int *ii;
+
+ for (ii = oid; *ii >= 0; ii++)
+ {
+ if (p != tmp)
+ *(p++) = '.';
+ sprintf(p, "%d", *ii);
+ p += strlen(p);
+ }
+ *(p++) = '\0';
+
+ if ((dnew = data1_insert_taggeddata(dh, node, node,
+ "schemaIdentifier", mem)))
+ {
+ dnew->u.data.what = DATA1I_oid;
+ dnew->u.data.data = (char *) nmem_malloc(mem, p - tmp);
+ memcpy(dnew->u.data.data, tmp, p - tmp);
+ dnew->u.data.len = p - tmp;
+ }
+ }
+ }
+ logf (LOG_DEBUG, "grs_retrieve: element spec");
if (p->comp && (res = process_comp(p->dh, node, p->comp)) > 0)
{
p->diagnostic = res;
else if (p->comp && !res)
selected = 1;
+#if 0
+ data1_pr_tree (p->dh, node, stdout);
+#endif
+ logf (LOG_DEBUG, "grs_retrieve: transfer syntax mapping");
switch (p->output_format = (p->input_format != VAL_NONE ?
- p->input_format : VAL_SUTRS))
+ p->input_format : VAL_SUTRS))
{
data1_marctab *marctab;
int dummy;
-
- case VAL_GRS1:
- dummy = 0;
- if (!(p->rec_buf = data1_nodetogr(p->dh, node, selected,
- p->odr, &dummy)))
- p->diagnostic = 2; /* this should be better specified */
- else
- p->rec_len = -1;
- break;
- case VAL_EXPLAIN:
- if (!(p->rec_buf = data1_nodetoexplain(p->dh, node, selected,
- p->odr)))
- p->diagnostic = 2; /* this should be better specified */
- else
- p->rec_len = -1;
- break;
- case VAL_SUMMARY:
- if (!(p->rec_buf = data1_nodetosummary(p->dh, node, selected,
- p->odr)))
- p->diagnostic = 2;
- else
- p->rec_len = -1;
- break;
- case VAL_SUTRS:
- if (!(p->rec_buf = data1_nodetobuf(p->dh, node, selected,
- (int*)&p->rec_len)))
- {
- p->diagnostic = 2;
- break;
- }
+
+ case VAL_TEXT_XML:
+ if (!(p->rec_buf = data1_nodetoidsgml(p->dh, node, selected,
+ &p->rec_len)))
+ p->diagnostic = 238;
+ else
+ {
+ char *new_buf = (char*) odr_malloc (p->odr, p->rec_len);
+ memcpy (new_buf, p->rec_buf, p->rec_len);
+ p->rec_buf = new_buf;
+ }
+ break;
+ case VAL_GRS1:
+ dummy = 0;
+ if (!(p->rec_buf = data1_nodetogr(p->dh, node, selected,
+ p->odr, &dummy)))
+ p->diagnostic = 238; /* not available in requested syntax */
+ else
+ p->rec_len = (size_t) (-1);
+ break;
+ case VAL_EXPLAIN:
+ if (!(p->rec_buf = data1_nodetoexplain(p->dh, node, selected,
+ p->odr)))
+ p->diagnostic = 238;
+ else
+ p->rec_len = (size_t) (-1);
+ break;
+ case VAL_SUMMARY:
+ if (!(p->rec_buf = data1_nodetosummary(p->dh, node, selected,
+ p->odr)))
+ p->diagnostic = 238;
+ else
+ p->rec_len = (size_t) (-1);
+ break;
+ case VAL_SUTRS:
+ if (!(p->rec_buf = data1_nodetobuf(p->dh, node, selected,
+ &p->rec_len)))
+ p->diagnostic = 238;
+ else
+ {
+ char *new_buf = (char*) odr_malloc (p->odr, p->rec_len);
+ memcpy (new_buf, p->rec_buf, p->rec_len);
+ p->rec_buf = new_buf;
+ }
+ break;
+ case VAL_SOIF:
+ if (!(p->rec_buf = data1_nodetosoif(p->dh, node, selected,
+ &p->rec_len)))
+ p->diagnostic = 238;
+ else
+ {
+ char *new_buf = (char*) odr_malloc (p->odr, p->rec_len);
+ memcpy (new_buf, p->rec_buf, p->rec_len);
+ p->rec_buf = new_buf;
+ }
+ break;
+ default:
+ if (!node->u.root.absyn)
+ {
+ p->diagnostic = 238;
break;
- case VAL_SOIF:
- if (!(p->rec_buf = data1_nodetosoif(p->dh, node, selected,
- (int*)&p->rec_len)))
- {
- p->diagnostic = 2;
+ }
+ for (marctab = node->u.root.absyn->marc; marctab;
+ marctab = marctab->next)
+ if (marctab->reference == p->input_format)
break;
- }
+ if (!marctab)
+ {
+ p->diagnostic = 238;
break;
- default:
- for (marctab = node->u.root.absyn->marc; marctab;
- marctab = marctab->next)
- if (marctab->reference == p->input_format)
- break;
- if (!marctab)
- {
- p->diagnostic = 227;
- break;
- }
- if (!(p->rec_buf = data1_nodetomarc(p->dh, marctab, node,
- selected,
- (int*)&p->rec_len)))
- {
- p->diagnostic = 2;
- break;
- }
+ }
+ if (!(p->rec_buf = data1_nodetomarc(p->dh, marctab, node,
+ selected, &p->rec_len)))
+ p->diagnostic = 238;
+ else
+ {
+ char *new_buf = (char*) odr_malloc (p->odr, p->rec_len);
+ memcpy (new_buf, p->rec_buf, p->rec_len);
+ p->rec_buf = new_buf;
+ }
}
if (node)
data1_free_tree(p->dh, node);
{
"grs",
grs_init,
+ grs_destroy,
grs_extract,
grs_retrieve
};