+++ /dev/null
-/*
- * Copyright (c) 1995-2002, Index Data.
- * See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Id: d1_absyn.c,v 1.34 2002-08-29 21:26:08 mike Exp $
- */
-
-#include <stdio.h>
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <yaz/oid.h>
-#include <yaz/log.h>
-#include <yaz/data1.h>
-
-#define D1_MAX_NESTING 128
-
-struct data1_absyn_cache_info
-{
- char *name;
- data1_absyn *absyn;
- data1_absyn_cache next;
-};
-
-struct data1_attset_cache_info
-{
- char *name;
- data1_attset *attset;
- data1_attset_cache next;
-};
-
-data1_absyn *data1_absyn_search (data1_handle dh, const char *name)
-{
- data1_absyn_cache p = *data1_absyn_cache_get (dh);
-
- while (p)
- {
- if (!strcmp (name, p->name))
- return p->absyn;
- p = p->next;
- }
- return NULL;
-}
-
-void data1_absyn_trav (data1_handle dh, void *handle,
- void (*fh)(data1_handle dh, void *h, data1_absyn *a))
-{
- data1_absyn_cache p = *data1_absyn_cache_get (dh);
-
- while (p)
- {
- (*fh)(dh, handle, p->absyn);
- p = p->next;
- }
-}
-
-data1_absyn *data1_absyn_add (data1_handle dh, const char *name)
-{
- char fname[512];
- NMEM mem = data1_nmem_get (dh);
-
- data1_absyn_cache p = (data1_absyn_cache)nmem_malloc (mem, sizeof(*p));
- data1_absyn_cache *pp = data1_absyn_cache_get (dh);
-
- sprintf(fname, "%s.abs", name);
- p->absyn = data1_read_absyn (dh, fname, 0);
- p->name = nmem_strdup (mem, name);
- p->next = *pp;
- *pp = p;
- return p->absyn;
-}
-
-data1_absyn *data1_get_absyn (data1_handle dh, const char *name)
-{
- data1_absyn *absyn;
-
- if (!(absyn = data1_absyn_search (dh, name)))
- absyn = data1_absyn_add (dh, name);
- return absyn;
-}
-
-data1_attset *data1_attset_search_name (data1_handle dh, const char *name)
-{
- data1_attset_cache p = *data1_attset_cache_get (dh);
-
- while (p)
- {
- if (!strcmp (name, p->name))
- return p->attset;
- p = p->next;
- }
- return NULL;
-}
-
-data1_attset *data1_attset_search_id (data1_handle dh, int id)
-{
- data1_attset_cache p = *data1_attset_cache_get (dh);
-
- while (p)
- {
- if (id == p->attset->reference)
- return p->attset;
- p = p->next;
- }
- return NULL;
-}
-
-data1_attset *data1_attset_add (data1_handle dh, const char *name)
-{
- char fname[512], aname[512];
- NMEM mem = data1_nmem_get (dh);
- data1_attset *attset;
-
- strcpy (aname, name);
- sprintf(fname, "%s.att", name);
- attset = data1_read_attset (dh, fname);
- if (!attset)
- {
- char *cp;
- attset = data1_read_attset (dh, name);
- if (attset && (cp = strrchr (aname, '.')))
- *cp = '\0';
- }
- if (!attset)
- yaz_log (LOG_WARN|LOG_ERRNO, "Couldn't load attribute set %s", name);
- else
- {
- data1_attset_cache p = (data1_attset_cache)
- nmem_malloc (mem, sizeof(*p));
- data1_attset_cache *pp = data1_attset_cache_get (dh);
-
- attset->name = p->name = nmem_strdup (mem, aname);
- p->attset = attset;
- p->next = *pp;
- *pp = p;
- }
- return attset;
-}
-
-data1_attset *data1_get_attset (data1_handle dh, const char *name)
-{
- data1_attset *attset;
-
- if (!(attset = data1_attset_search_name (dh, name)))
- attset = data1_attset_add (dh, name);
- return attset;
-}
-
-data1_esetname *data1_getesetbyname(data1_handle dh, data1_absyn *a,
- const char *name)
-{
- data1_esetname *r;
-
- for (r = a->esetnames; r; r = r->next)
- if (!data1_matchstr(r->name, name))
- return r;
- return 0;
-}
-
-data1_element *data1_getelementbytagname (data1_handle dh, data1_absyn *abs,
- data1_element *parent,
- const char *tagname)
-{
- data1_element *r;
-
- /* It's now possible to have a data1 tree with no abstract syntax */
- if ( !abs )
- return 0;
-
- if (!parent)
- r = abs->main_elements;
- else
- r = parent->children;
-
- for (; r; r = r->next)
- {
- data1_name *n;
-
- for (n = r->tag->names; n; n = n->next)
- if (!data1_matchstr(tagname, n->name))
- return r;
- }
- return 0;
-}
-
-data1_element *data1_getelementbyname (data1_handle dh, data1_absyn *absyn,
- const char *name)
-{
- data1_element *r;
-
- /* It's now possible to have a data1 tree with no abstract syntax */
- if ( !absyn )
- return 0;
- for (r = absyn->main_elements; r; r = r->next)
- if (!data1_matchstr(r->name, name))
- return r;
- return 0;
-}
-
-
-void fix_element_ref (data1_handle dh, data1_absyn *absyn, data1_element *e)
-{
- /* It's now possible to have a data1 tree with no abstract syntax */
- if ( !absyn )
- return;
-
- for (; e; e = e->next)
- {
- if (!e->sub_name)
- {
- if (e->children)
- fix_element_ref (dh, absyn, e->children);
- }
- else
- {
- data1_sub_elements *sub_e = absyn->sub_elements;
- while (sub_e && strcmp (e->sub_name, sub_e->name))
- sub_e = sub_e->next;
- if (sub_e)
- e->children = sub_e->elements;
- else
- yaz_log (LOG_WARN, "Unresolved reference to sub-elements %s",
- e->sub_name);
- }
- }
-}
-
-
-static int parse_termlists (data1_handle dh, data1_termlist ***tpp,
- char *p, const char *file, int lineno,
- const char *element_name, data1_absyn *res)
-{
- data1_termlist **tp = *tpp;
- do
- {
- char attname[512], structure[512];
- char *source;
- int r;
-
- if (!(r = sscanf(p, "%511[^:,]:%511[^,]", attname,
- structure)))
- {
- yaz_log(LOG_WARN,
- "%s:%d: Syntax error in termlistspec '%s'",
- file, lineno, p);
- return -1;
- }
- if (*attname == '!')
- strcpy(attname, element_name);
- *tp = (data1_termlist *)
- nmem_malloc(data1_nmem_get(dh), sizeof(**tp));
- (*tp)->next = 0;
- if (!((*tp)->att = data1_getattbyname(dh, res->attset,
- attname)))
- {
- yaz_log(LOG_WARN,
- "%s:%d: Couldn't find att '%s' in attset",
- file, lineno, attname);
- return -1;
- }
- if (r == 2 && (source = strchr(structure, ':')))
- *source++ = '\0'; /* cut off structure .. */
- else
- source = "data"; /* ok: default is leaf data */
- (*tp)->source = (char *)
- nmem_strdup (data1_nmem_get (dh), source);
-
- if (r < 2) /* is the structure qualified? */
- (*tp)->structure = "w";
- else
- (*tp)->structure = (char *)
- nmem_strdup (data1_nmem_get (dh), structure);
- tp = &(*tp)->next;
- }
- while ((p = strchr(p, ',')) && *(++p));
- *tpp = tp;
- return 0;
-}
-
-data1_absyn *data1_read_absyn (data1_handle dh, const char *file,
- int file_must_exist)
-{
- data1_sub_elements *cur_elements = NULL;
- data1_absyn *res = 0;
- FILE *f;
- data1_element **ppl[D1_MAX_NESTING];
- data1_esetname **esetpp;
- data1_maptab **maptabp;
- data1_marctab **marcp;
- data1_termlist *all = 0;
- data1_attset_child **attset_childp;
- data1_tagset **tagset_childp;
- int level = 0;
- int lineno = 0;
- int argc;
- char *argv[50], line[512];
-
- if (!(f = data1_path_fopen(dh, file, "r")))
- {
- yaz_log(LOG_WARN|LOG_ERRNO, "Couldn't open %s", file);
- if (file_must_exist)
- return 0;
- }
-
- res = (data1_absyn *) nmem_malloc(data1_nmem_get(dh), sizeof(*res));
- res->name = 0;
- res->reference = VAL_NONE;
- res->tagset = 0;
- res->encoding = 0;
- res->enable_xpath_indexing = (f ? 0 : 1);
- tagset_childp = &res->tagset;
-
- res->attset = data1_empty_attset (dh);
- attset_childp = &res->attset->children;
-
- res->varset = 0;
- res->esetnames = 0;
- esetpp = &res->esetnames;
- res->maptabs = 0;
- maptabp = &res->maptabs;
- res->marc = 0;
- marcp = &res->marc;
-
- res->sub_elements = NULL;
- res->main_elements = NULL;
-
- while (f && (argc = readconf_line(f, &lineno, line, 512, argv, 50)))
- {
- char *cmd = *argv;
- if (!strcmp(cmd, "elm") || !strcmp(cmd, "element"))
- {
- data1_element *new_element;
- int i;
- char *p, *sub_p, *path, *name, *termlists;
- int type, value;
- data1_termlist **tp;
-
- if (argc < 4)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # of args to elm", file, lineno);
- continue;
- }
- path = argv[1];
- name = argv[2];
- termlists = argv[3];
-
- if (!cur_elements)
- {
- cur_elements = (data1_sub_elements *)
- nmem_malloc(data1_nmem_get(dh), sizeof(*cur_elements));
- cur_elements->next = res->sub_elements;
- cur_elements->elements = NULL;
- cur_elements->name = "main";
- res->sub_elements = cur_elements;
-
- level = 0;
- ppl[level] = &cur_elements->elements;
- }
- p = path;
- for (i = 1;; i++)
- {
- char *e;
-
- if ((e = strchr(p, '/')))
- p = e+1;
- else
- break;
- }
- if (i > level+1)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad level increase", file, lineno);
- fclose(f);
- return 0;
- }
- level = i;
- new_element = *ppl[level-1] = (data1_element *)
- nmem_malloc(data1_nmem_get(dh), sizeof(*new_element));
- new_element->next = new_element->children = 0;
- new_element->tag = 0;
- new_element->termlists = 0;
- new_element->sub_name = 0;
-
- tp = &new_element->termlists;
- ppl[level-1] = &new_element->next;
- ppl[level] = &new_element->children;
-
- /* consider subtree (if any) ... */
- if ((sub_p = strchr (p, ':')) && sub_p[1])
- {
- *sub_p++ = '\0';
- new_element->sub_name =
- nmem_strdup (data1_nmem_get(dh), sub_p);
- }
- /* well-defined tag */
- if (sscanf(p, "(%d,%d)", &type, &value) == 2)
- {
- if (!res->tagset)
- {
- yaz_log(LOG_WARN, "%s:%d: No tagset loaded", file, lineno);
- fclose(f);
- return 0;
- }
- if (!(new_element->tag = data1_gettagbynum (dh, res->tagset,
- type, value)))
- {
- yaz_log(LOG_WARN, "%s:%d: Couldn't find tag %s in tagset",
- file, lineno, p);
- fclose(f);
- return 0;
- }
- }
- /* private tag */
- else if (*p)
- {
- data1_tag *nt =
- new_element->tag = (data1_tag *)
- nmem_malloc(data1_nmem_get (dh),
- sizeof(*new_element->tag));
- nt->which = DATA1T_string;
- nt->value.string = nmem_strdup(data1_nmem_get (dh), p);
- nt->names = (data1_name *)
- nmem_malloc(data1_nmem_get(dh),
- sizeof(*new_element->tag->names));
- nt->names->name = nt->value.string;
- nt->names->next = 0;
- nt->kind = DATA1K_string;
- nt->next = 0;
- nt->tagset = 0;
- }
- else
- {
- yaz_log(LOG_WARN, "%s:%d: Bad element", file, lineno);
- fclose(f);
- return 0;
- }
- /* parse termList definitions */
- p = termlists;
- if (*p != '-')
- {
- assert (res->attset);
-
- if (parse_termlists (dh, &tp, p, file, lineno, name, res))
- {
- fclose (f);
- return 0;
- }
- *tp = all; /* append any ALL entries to the list */
- }
- new_element->name = nmem_strdup(data1_nmem_get (dh), name);
- }
- else if (!strcmp(cmd, "section"))
- {
- char *name;
-
- if (argc < 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # of args to section",
- file, lineno);
- continue;
- }
- name = argv[1];
-
- cur_elements = (data1_sub_elements *)
- nmem_malloc(data1_nmem_get(dh), sizeof(*cur_elements));
- cur_elements->next = res->sub_elements;
- cur_elements->elements = NULL;
- cur_elements->name = nmem_strdup (data1_nmem_get(dh), name);
- res->sub_elements = cur_elements;
-
- level = 0;
- ppl[level] = &cur_elements->elements;
- }
- else if (!strcmp(cmd, "xpath"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # of args to 'xpath' directive",
- file, lineno);
- continue;
- }
- if (!strcmp(argv[1], "enable"))
- res->enable_xpath_indexing = 1;
- else if (!strcmp (argv[1], "disable"))
- res->enable_xpath_indexing = 0;
- else
- {
- yaz_log(LOG_WARN, "%s:%d: Expecting disable/enable "
- "after 'xpath' directive", file, lineno);
- }
- }
- else if (!strcmp(cmd, "all"))
- {
- data1_termlist **tp = &all;
- if (all)
- {
- yaz_log(LOG_WARN, "%s:%d: Too many 'all' directives - ignored",
- file, lineno);
- continue;
- }
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # of args to 'all' directive",
- file, lineno);
- continue;
- }
- if (parse_termlists (dh, &tp, argv[1], file, lineno, 0, res))
- {
- fclose (f);
- return 0;
- }
- }
- else if (!strcmp(cmd, "name"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # of args to name directive",
- file, lineno);
- continue;
- }
- res->name = nmem_strdup(data1_nmem_get(dh), argv[1]);
- }
- else if (!strcmp(cmd, "reference"))
- {
- char *name;
-
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # of args to reference",
- file, lineno);
- continue;
- }
- name = argv[1];
- if ((res->reference = oid_getvalbyname(name)) == VAL_NONE)
- {
- yaz_log(LOG_WARN, "%s:%d: Unknown tagset ref '%s'",
- file, lineno, name);
- continue;
- }
- }
- else if (!strcmp(cmd, "attset"))
- {
- char *name;
- data1_attset *attset;
-
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # of args to attset",
- file, lineno);
- continue;
- }
- name = argv[1];
- if (!(attset = data1_get_attset (dh, name)))
- {
- yaz_log(LOG_WARN, "%s:%d: Couldn't find attset %s",
- file, lineno, name);
- continue;
- }
- *attset_childp = (data1_attset_child *)
- nmem_malloc (data1_nmem_get(dh), sizeof(**attset_childp));
- (*attset_childp)->child = attset;
- (*attset_childp)->next = 0;
- attset_childp = &(*attset_childp)->next;
- }
- else if (!strcmp(cmd, "tagset"))
- {
- char *name;
- int type = 0;
- if (argc < 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # of args to tagset",
- file, lineno);
- continue;
- }
- name = argv[1];
- if (argc == 3)
- type = atoi(argv[2]);
- *tagset_childp = data1_read_tagset (dh, name, type);
- if (!(*tagset_childp))
- {
- yaz_log(LOG_WARN, "%s:%d: Couldn't load tagset %s",
- file, lineno, name);
- continue;
- }
- tagset_childp = &(*tagset_childp)->next;
- }
- else if (!strcmp(cmd, "varset"))
- {
- char *name;
-
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # of args in varset",
- file, lineno);
- continue;
- }
- name = argv[1];
- if (!(res->varset = data1_read_varset (dh, name)))
- {
- yaz_log(LOG_WARN, "%s:%d: Couldn't load Varset %s",
- file, lineno, name);
- continue;
- }
- }
- else if (!strcmp(cmd, "esetname"))
- {
- char *name, *fname;
-
- if (argc != 3)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # of args in esetname",
- file, lineno);
- continue;
- }
- name = argv[1];
- fname = argv[2];
-
- *esetpp = (data1_esetname *)
- nmem_malloc(data1_nmem_get(dh), sizeof(**esetpp));
- (*esetpp)->name = nmem_strdup(data1_nmem_get(dh), name);
- (*esetpp)->next = 0;
- if (*fname == '@')
- (*esetpp)->spec = 0;
- else if (!((*esetpp)->spec = data1_read_espec1 (dh, fname)))
- {
- yaz_log(LOG_WARN, "%s:%d: Espec-1 read failed for %s",
- file, lineno, fname);
- continue;
- }
- esetpp = &(*esetpp)->next;
- }
- else if (!strcmp(cmd, "maptab"))
- {
- char *name;
-
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # of args for maptab",
- file, lineno);
- continue;
- }
- name = argv[1];
- if (!(*maptabp = data1_read_maptab (dh, name)))
- {
- yaz_log(LOG_WARN, "%s:%d: Couldn't load maptab %s",
- file, lineno, name);
- continue;
- }
- maptabp = &(*maptabp)->next;
- }
- else if (!strcmp(cmd, "marc"))
- {
- char *name;
-
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # or args for marc",
- file, lineno);
- continue;
- }
- name = argv[1];
- if (!(*marcp = data1_read_marctab (dh, name)))
- {
- yaz_log(LOG_WARN, "%s:%d: Couldn't read marctab %s",
- file, lineno, name);
- continue;
- }
- marcp = &(*marcp)->next;
- }
- else if (!strcmp(cmd, "encoding"))
- {
- if (argc != 2)
- {
- yaz_log(LOG_WARN, "%s:%d: Bad # or args for encoding",
- file, lineno);
- continue;
- }
- res->encoding = nmem_strdup (data1_nmem_get(dh), argv[1]);
- }
- else
- {
- yaz_log(LOG_WARN, "%s:%d: Unknown directive '%s'", file,
- lineno, cmd);
- continue;
- }
- }
- if (f)
- fclose(f);
-
- for (cur_elements = res->sub_elements; cur_elements;
- cur_elements = cur_elements->next)
- {
- if (!strcmp (cur_elements->name, "main"))
- res->main_elements = cur_elements->elements;
- fix_element_ref (dh, res, cur_elements->elements);
- }
- yaz_log (LOG_DEBUG, "%s: data1_read_absyn end", file);
- return res;
-}
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