+++ /dev/null
-/*
- * Copyright (c) 1995-2002, Index Data.
- * See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Id: d1_map.c,v 1.25 2002-09-24 08:05:41 adam Exp $
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <yaz/oid.h>
-#include <yaz/log.h>
-#include <yaz/readconf.h>
-#include <yaz/tpath.h>
-#include <yaz/data1.h>
-#include <yaz/d1_map.h>
-
-data1_maptab *data1_read_maptab (data1_handle dh, const char *file)
-{
- NMEM mem = data1_nmem_get (dh);
- data1_maptab *res = (data1_maptab *)nmem_malloc(mem, sizeof(*res));
- FILE *f;
- int lineno = 0;
- int argc;
- char *argv[50], line[512];
- data1_mapunit **mapp;
- int local_numeric = 0;
-
- if (!(f = data1_path_fopen(dh, file, "r")))
- {
- yaz_log(LOG_WARN|LOG_ERRNO, "%s", file);
- return 0;
- }
-
- res->name = 0;
- res->target_absyn_ref = VAL_NONE;
- res->map = 0;
- mapp = &res->map;
- res->next = 0;
-
- while ((argc = readconf_line(f, &lineno, line, 512, argv, 50)))
- if (!strcmp(argv[0], "targetref"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # args for targetref",
- file, lineno);
- continue;
- }
- if ((res->target_absyn_ref = oid_getvalbyname(argv[1]))
- == VAL_NONE)
- {
- yaz_log(LOG_WARN, "%s:%d: Unknown reference '%s'",
- file, lineno, argv[1]);
- continue;
- }
- }
- else if (!strcmp(argv[0], "targetname"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # args for targetname",
- file, lineno);
- continue;
- }
- res->target_absyn_name =
- (char *)nmem_malloc(mem, strlen(argv[1])+1);
- strcpy(res->target_absyn_name, argv[1]);
- }
- else if (!yaz_matchstr(argv[0], "localnumeric"))
- local_numeric = 1;
- else if (!strcmp(argv[0], "name"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # args for name", file, lineno);
- continue;
- }
- res->name = (char *)nmem_malloc(mem, strlen(argv[1])+1);
- strcpy(res->name, argv[1]);
- }
- else if (!strcmp(argv[0], "map"))
- {
- data1_maptag **mtp;
- char *ep, *path = argv[2];
-
- if (argc < 3)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # of args for map",
- file, lineno);
- continue;
- }
- *mapp = (data1_mapunit *)nmem_malloc(mem, sizeof(**mapp));
- (*mapp)->next = 0;
- if (argc > 3 && !data1_matchstr(argv[3], "nodata"))
- (*mapp)->no_data = 1;
- else
- (*mapp)->no_data = 0;
- (*mapp)->source_element_name =
- (char *)nmem_malloc(mem, strlen(argv[1])+1);
- strcpy((*mapp)->source_element_name, argv[1]);
- mtp = &(*mapp)->target_path;
- if (*path == '/')
- path++;
- for (ep = strchr(path, '/'); path; (void)((path = ep) &&
- (ep = strchr(path, '/'))))
- {
- int type, np;
- char valstr[512], parm[512];
-
- if (ep)
- ep++;
- if ((np = sscanf(path, "(%d,%511[^)]):%511[^/]", &type, valstr,
- parm)) < 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Syntax error in map "
- "directive: %s", file, lineno, argv[2]);
- fclose(f);
- return 0;
- }
- *mtp = (data1_maptag *)nmem_malloc(mem, sizeof(**mtp));
- (*mtp)->next = 0;
- (*mtp)->type = type;
- if (np > 2 && !data1_matchstr(parm, "new"))
- (*mtp)->new_field = 1;
- else
- (*mtp)->new_field = 0;
- if ((type != 3 || local_numeric) && d1_isdigit(*valstr))
- {
- (*mtp)->which = D1_MAPTAG_numeric;
- (*mtp)->value.numeric = atoi(valstr);
- }
- else
- {
- (*mtp)->which = D1_MAPTAG_string;
- (*mtp)->value.string =
- (char *)nmem_malloc(mem, strlen(valstr)+1);
- strcpy((*mtp)->value.string, valstr);
- }
- mtp = &(*mtp)->next;
- }
- mapp = &(*mapp)->next;
- }
- else
- yaz_log(LOG_WARN, "%s:%d: Unknown directive '%s'",
- file, lineno, argv[0]);
-
- fclose(f);
- return res;
-}
-
-/*
- * Locate node with given elementname.
- * NOTE: This is stupid - we don't find repeats this way.
- */
-static data1_node *find_node(data1_node *p, char *elementname)
-{
- data1_node *c, *r;
-
- for (c = p->child; c; c = c->next)
- if (c->which == DATA1N_tag && c->u.tag.element &&
- !data1_matchstr(c->u.tag.element->name, elementname))
- return c;
- else if ((r = find_node(c, elementname)))
- return r;
- return 0;
-}
-
-/*
- * See if the node n is equivalent to the tag t.
- */
-static int tagmatch(data1_node *n, data1_maptag *t)
-{
- if (n->which != DATA1N_tag)
- return 0;
- if (n->u.tag.element)
- {
- if (n->u.tag.element->tag->tagset)
- {
- if (n->u.tag.element->tag->tagset->type != t->type)
- return 0;
- }
- else if (t->type != 3)
- return 0;
- if (n->u.tag.element->tag->which == DATA1T_numeric)
- {
- if (t->which != D1_MAPTAG_numeric)
- return 0;
- if (n->u.tag.element->tag->value.numeric != t->value.numeric)
- return 0;
- }
- else
- {
- if (t->which != D1_MAPTAG_string)
- return 0;
- if (data1_matchstr(n->u.tag.element->tag->value.string,
- t->value.string))
- return 0;
- }
- }
- else /* local tag */
- {
- char str[10];
-
- if (t->type != 3)
- return 0;
- if (t->which == D1_MAPTAG_numeric)
- sprintf(str, "%d", t->value.numeric);
- else
- strcpy(str, t->value.string);
- if (data1_matchstr(n->u.tag.tag, str))
- return 0;
- }
- return 1;
-}
-
-static data1_node *dup_child (data1_handle dh, data1_node *n,
- data1_node **last, NMEM mem,
- data1_node *parent)
-{
- data1_node *first = 0;
- data1_node **m = &first;
-
- for (; n; n = n->next)
- {
- *last = *m = (data1_node *) nmem_malloc (mem, sizeof(**m));
- memcpy (*m, n, sizeof(**m));
-
- (*m)->parent = parent;
- (*m)->root = parent->root;
- (*m)->child = dup_child(dh, n->child, &(*m)->last_child, mem, *m);
- m = &(*m)->next;
- }
- *m = 0;
- return first;
-}
-
-static int map_children(data1_handle dh, data1_node *n, data1_maptab *map,
- data1_node *res, NMEM mem)
-{
- data1_node *c;
- data1_mapunit *m;
- /*
- * locate each source element in turn.
- */
- for (c = n->child; c; c = c->next)
- if (c->which == DATA1N_tag && c->u.tag.element)
- {
- for (m = map->map; m; m = m->next)
- {
- if (!data1_matchstr(m->source_element_name,
- c->u.tag.element->name))
- {
- data1_node *pn = res;
- data1_node *cur = pn->last_child;
- data1_maptag *mt;
-
- /*
- * process the target path specification.
- */
- for (mt = m->target_path; mt; mt = mt->next)
- {
- if (!cur || mt->new_field || !tagmatch(cur, mt))
- {
- cur = data1_mk_node2 (dh, mem, DATA1N_tag, pn);
- cur->u.tag.tag = mt->value.string;
- }
-
- if (mt->next)
- pn = cur;
- else if (!m->no_data)
- {
- cur->child =
- dup_child (dh, c->child,
- &cur->last_child, mem, cur);
- }
- }
- }
- }
- if (map_children(dh, c, map, res, mem) < 0)
- return -1;
- }
- return 0;
-}
-
-/*
- * Create a (possibly lossy) copy of the given record based on the
- * table. The new copy will refer back to the data of the original record,
- * which should not be discarded during the lifetime of the copy.
- */
-data1_node *data1_map_record (data1_handle dh, data1_node *n,
- data1_maptab *map, NMEM m)
-{
- data1_node *res1, *res = data1_mk_node2 (dh, m, DATA1N_root, 0);
-
- res->which = DATA1N_root;
- res->u.root.type = map->target_absyn_name;
- if (!(res->u.root.absyn = data1_get_absyn(dh, map->target_absyn_name)))
- {
- yaz_log(LOG_WARN, "%s: Failed to load target absyn '%s'",
- map->name, map->target_absyn_name);
- }
- if (data1_is_xmlmode(dh))
- {
- n = n->child;
- if (!n)
- return 0;
- res1 = data1_mk_tag (dh, m, map->target_absyn_name, 0, res);
- }
- else
- res1 = res;
-
- if (map_children(dh, n, map, res1, m) < 0)
- {
- data1_free_tree(dh, res);
- return 0;
- }
- return res;
-}
-
projects / yaz-moved-to-github.git / blobdiff