+++ /dev/null
-/*
- * Copyright (c) 1995-2002, Index Data.
- * See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Id: d1_grs.c,v 1.26 2002-10-08 22:18:22 adam Exp $
- *
- */
-
-#include <assert.h>
-#include <stdlib.h>
-
-#include <yaz/proto.h>
-#include <yaz/log.h>
-#include <yaz/data1.h>
-
-#define D1_VARIANTARRAY 20 /* fixed max length on sup'd variant-list. Lazy me */
-
-static Z_ElementMetaData *get_ElementMetaData(ODR o)
-{
- Z_ElementMetaData *r = (Z_ElementMetaData *)odr_malloc(o, sizeof(*r));
-
- r->seriesOrder = 0;
- r->usageRight = 0;
- r->num_hits = 0;
- r->hits = 0;
- r->displayName = 0;
- r->num_supportedVariants = 0;
- r->supportedVariants = 0;
- r->message = 0;
- r->elementDescriptor = 0;
- r->surrogateFor = 0;
- r->surrogateElement = 0;
- r->other = 0;
-
- return r;
-}
-
-/*
- * N should point to the *last* (leaf) triple in a sequence. Construct a variant
- * from each of the triples beginning (ending) with 'n', up to the
- * nearest parent tag. num should equal the number of triples in the
- * sequence.
- */
-static Z_Variant *make_variant(data1_node *n, int num, ODR o)
-{
- Z_Variant *v = (Z_Variant *)odr_malloc(o, sizeof(*v));
- data1_node *p;
-
- v->globalVariantSetId = 0;
- v->num_triples = num;
- v->triples = (Z_Triple **)odr_malloc(o, sizeof(Z_Triple*) * num);
-
- /*
- * cycle back up through the tree of variants
- * (traversing exactly 'level' variants).
- */
- for (p = n, num--; p && num >= 0; p = p->parent, num--)
- {
- Z_Triple *t;
-
- assert(p->which == DATA1N_variant);
- t = v->triples[num] = (Z_Triple *)odr_malloc(o, sizeof(*t));
- t->variantSetId = 0;
- t->zclass = (int *)odr_malloc(o, sizeof(int));
- *t->zclass = p->u.variant.type->zclass->zclass;
- t->type = (int *)odr_malloc(o, sizeof(int));
- *t->type = p->u.variant.type->type;
-
- switch (p->u.variant.type->datatype)
- {
- case DATA1K_string:
- t->which = Z_Triple_internationalString;
- t->value.internationalString =
- odr_strdup(o, p->u.variant.value);
- break;
- default:
- yaz_log(LOG_WARN, "Unable to handle value for variant %s",
- p->u.variant.type->name);
- return 0;
- }
- }
- return v;
-}
-
-/*
- * Traverse the variant children of n, constructing a supportedVariant list.
- */
-static int traverse_triples(data1_node *n, int level, Z_ElementMetaData *m,
- ODR o)
-{
- data1_node *c;
-
- for (c = n->child; c; c = c->next)
- if (c->which == DATA1N_data && level)
- {
- if (!m->supportedVariants)
- m->supportedVariants = (Z_Variant **)odr_malloc(o, sizeof(Z_Variant*) *
- D1_VARIANTARRAY);
- else if (m->num_supportedVariants >= D1_VARIANTARRAY)
- {
- yaz_log(LOG_WARN, "Too many variants (D1_VARIANTARRAY==%d)",
- D1_VARIANTARRAY);
- return -1;
- }
-
- if (!(m->supportedVariants[m->num_supportedVariants++] =
- make_variant(n, level, o)))
- return -1;
- }
- else if (c->which == DATA1N_variant)
- if (traverse_triples(c, level+1, m, o) < 0)
- return -1;
- return 0;
-}
-
-/*
- * Locate some data under this node. This routine should handle variants
- * prettily.
- */
-static char *get_data(data1_node *n, int *len)
-{
- char *r;
- data1_node *np = 0;
-
- while (n)
- {
- if (n->which == DATA1N_data)
- {
- int i;
- *len = n->u.data.len;
-
- for (i = 0; i<*len; i++)
- if (!d1_isspace(n->u.data.data[i]))
- break;
- while (*len && d1_isspace(n->u.data.data[*len - 1]))
- (*len)--;
- *len = *len - i;
- if (*len > 0)
- return n->u.data.data + i;
- }
- if (n->which == DATA1N_tag)
- np = n->child;
- n = n->next;
- if (!n)
- {
- n = np;
- np = 0;
- }
- }
- r = "";
- *len = strlen(r);
- return r;
-}
-
-static Z_ElementData *nodetoelementdata(data1_handle dh, data1_node *n,
- int select, int leaf,
- ODR o, int *len)
-{
- Z_ElementData *res = (Z_ElementData *)odr_malloc(o, sizeof(*res));
-
- if (!n)
- {
- res->which = Z_ElementData_elementNotThere;
- res->u.elementNotThere = odr_nullval();
- }
- else if (n->which == DATA1N_data && leaf)
- {
- char str[64], *cp;
- int toget = n->u.data.len;
-
- cp = get_data (n, &toget);
-
- switch (n->u.data.what)
- {
- case DATA1I_num:
- res->which = Z_ElementData_numeric;
- res->u.numeric = (int *)odr_malloc(o, sizeof(int));
- *res->u.numeric = atoi_n (cp, toget);
- *len += 4;
- break;
- case DATA1I_text:
- case DATA1I_xmltext:
- res->which = Z_ElementData_string;
- res->u.string = (char *)odr_malloc(o, toget+1);
- if (toget)
- memcpy(res->u.string, cp, toget);
- res->u.string[toget] = '\0';
- *len += toget;
- break;
- case DATA1I_oid:
- res->which = Z_ElementData_oid;
- if (toget > 63)
- toget = 63;
- memcpy (str, cp, toget);
- str[toget] = '\0';
- res->u.oid = odr_getoidbystr(o, str);
- *len += oid_oidlen(res->u.oid) * sizeof(int);
- break;
- default:
- yaz_log(LOG_WARN, "Can't handle datatype.");
- return 0;
- }
- }
- else
- {
- res->which = Z_ElementData_subtree;
- if (!(res->u.subtree = data1_nodetogr (dh, n->parent, select, o, len)))
- return 0;
- }
- return res;
-}
-
-static int is_empty_data (data1_node *n)
-{
- if (n && n->which == DATA1N_data && (n->u.data.what == DATA1I_text
- || n->u.data.what == DATA1I_xmltext))
- {
- int i = n->u.data.len;
-
- while (i > 0 && strchr("\n ", n->u.data.data[i-1]))
- i--;
- if (i == 0)
- return 1;
- }
- return 0;
-}
-
-
-static Z_TaggedElement *nodetotaggedelement(data1_handle dh, data1_node *n,
- int select, ODR o,
- int *len)
-{
- Z_TaggedElement *res = (Z_TaggedElement *)odr_malloc(o, sizeof(*res));
- data1_tag *tag = 0;
- data1_node *data;
- int leaf = 0;
-
- if (n->which == DATA1N_tag)
- {
- if (n->u.tag.element)
- tag = n->u.tag.element->tag;
- data = n->child;
-
- /* skip empty data children */
- while (is_empty_data(data))
- data = data->next;
- if (!data)
- data = n->child;
- else
- { /* got one. see if this is the only non-empty one */
- data1_node *sub = data->next;
- while (sub && is_empty_data(sub))
- sub = sub->next;
- if (!sub)
- leaf = 1; /* all empty. 'data' is the only child */
- }
- }
- /*
- * If we're a data element at this point, we need to insert a
- * wellKnown tag to wrap us up.
- */
- else if (n->which == DATA1N_data || n->which == DATA1N_variant)
- {
- if (n->root->u.root.absyn &&
- !(tag = data1_gettagbyname (dh, n->root->u.root.absyn->tagset,
- "wellKnown")))
- {
- yaz_log(LOG_WARN, "Unable to locate tag for 'wellKnown'");
- return 0;
- }
- data = n;
- leaf = 1;
- if (is_empty_data(data))
- return 0;
- }
- else
- {
- yaz_log(LOG_WARN, "Bad data.");
- return 0;
- }
-
- res->tagType = (int *)odr_malloc(o, sizeof(int));
- *res->tagType = (tag && tag->tagset) ? tag->tagset->type : 3;
- res->tagValue = (Z_StringOrNumeric *)odr_malloc(o, sizeof(Z_StringOrNumeric));
- if (tag && tag->which == DATA1T_numeric)
- {
- res->tagValue->which = Z_StringOrNumeric_numeric;
- res->tagValue->u.numeric = (int *)odr_malloc(o, sizeof(int));
- *res->tagValue->u.numeric = tag->value.numeric;
- }
- else
- {
- char *tagstr;
-
- if (n->which == DATA1N_tag)
- tagstr = n->u.tag.tag; /* tag at node */
- else if (tag)
- tagstr = tag->value.string; /* no take from well-known */
- else
- return 0;
- res->tagValue->which = Z_StringOrNumeric_string;
- res->tagValue->u.string = odr_strdup(o, tagstr);
- }
- res->tagOccurrence = 0;
- res->appliedVariant = 0;
- res->metaData = 0;
- if (n->which == DATA1N_variant || (data && data->which ==
- DATA1N_variant && data->next == NULL))
- {
- int nvars = 0;
-
- res->metaData = get_ElementMetaData(o);
- if (n->which == DATA1N_tag && n->u.tag.make_variantlist)
- if (traverse_triples(data, 0, res->metaData, o) < 0)
- return 0;
- while (data && data->which == DATA1N_variant)
- {
- nvars++;
- data = data->child;
- }
- if (n->which != DATA1N_tag || !n->u.tag.no_data_requested)
- res->appliedVariant = make_variant(data->parent, nvars-1, o);
- }
- if (n->which == DATA1N_tag && n->u.tag.no_data_requested)
- {
- res->content = (Z_ElementData *)odr_malloc(o, sizeof(*res->content));
- res->content->which = Z_ElementData_noDataRequested;
- res->content->u.noDataRequested = odr_nullval();
- }
- else if (!(res->content = nodetoelementdata (dh, data, select, leaf,
- o, len)))
- return 0;
- *len += 10;
- return res;
-}
-
-Z_GenericRecord *data1_nodetogr(data1_handle dh, data1_node *n,
- int select, ODR o, int *len)
-{
- Z_GenericRecord *res = (Z_GenericRecord *)odr_malloc(o, sizeof(*res));
- data1_node *c;
- int num_children = 0;
-
- if (n->which == DATA1N_root)
- n = data1_get_root_tag (dh, n);
-
- for (c = n->child; c; c = c->next)
- num_children++;
-
- res->elements = (Z_TaggedElement **)
- odr_malloc(o, sizeof(Z_TaggedElement *) * num_children);
- res->num_elements = 0;
- for (c = n->child; c; c = c->next)
- {
- if (c->which == DATA1N_tag && select && !c->u.tag.node_selected)
- continue;
- if ((res->elements[res->num_elements] =
- nodetotaggedelement (dh, c, select, o, len)))
- res->num_elements++;
- }
- return res;
-}
projects / yaz-moved-to-github.git / blobdiff