* See the file LICENSE for details.
* Sebastian Hammer, Adam Dickmeiss
*
- * $Id: d1_read.c,v 1.39 2002-04-15 09:06:30 adam Exp $
+ * $Id: d1_read.c,v 1.40 2002-05-03 13:48:27 adam Exp $
*/
#include <assert.h>
return 0;
}
-data1_node *data1_mk_node (data1_handle dh, NMEM m)
+data1_node *data1_mk_node (data1_handle dh, NMEM m, int type,
+ data1_node *parent)
{
data1_node *r;
r = (data1_node *)nmem_malloc(m, sizeof(*r));
- r->next = r->child = r->last_child = r->parent = 0;
+ r->next = r->child = r->last_child = 0;
r->destroy = 0;
- return r;
-}
-data1_node *data1_mk_node_type (data1_handle dh, NMEM m, int type)
-{
- data1_node *r;
-
- r = data1_mk_node(dh, m);
+ if (!parent)
+ {
+ r->root = r;
+ assert (type == DATA1N_root);
+ }
+ else
+ {
+ r->root = parent->root;
+ r->parent = parent;
+ if (!parent->child)
+ parent->child = parent->last_child = r;
+ else
+ parent->last_child->next = r;
+ parent->last_child = r;
+ }
r->which = type;
switch(type)
{
r->u.data.len = 0;
r->u.data.what = 0;
r->u.data.formatted_text = 0;
+ break;
+ case DATA1N_variant:
+ r->u.variant.type = 0;
+ r->u.variant.value = 0;
break;
default:
logf (LOG_WARN, "data_mk_node_type. bad type = %d\n", type);
(*t->destroy)(t);
}
-char *data1_insert_string (data1_handle dh, data1_node *res,
- NMEM m, const char *str)
+data1_node *data1_mk_root (data1_handle dh, NMEM nmem, const char *name)
{
- int len = strlen(str);
+ data1_absyn *absyn = data1_get_absyn (dh, name);
+ data1_node *res;
+ if (!absyn)
+ {
+ yaz_log(LOG_WARN, "Unable to acquire abstract syntax " "for '%s'",
+ name);
+ /* It's now OK for a record not to have an absyn */
+ }
+ res = data1_mk_node (dh, nmem, DATA1N_root, 0);
+ res->u.root.type = data1_insert_string (dh, res, nmem, name);
+ res->u.root.absyn = absyn;
+ return res;
+}
+
+data1_node *data1_mk_tag_n (data1_handle dh, NMEM nmem,
+ const char *tag, size_t len, data1_node *at)
+{
+ data1_node *partag = get_parent_tag(dh, at);
+ data1_node *res = data1_mk_node (dh, nmem, DATA1N_tag, at);
+ data1_element *e = NULL;
+
+ res->u.tag.tag = data1_insert_string_n (dh, res, nmem, tag, len);
+
+ if (partag)
+ e = partag->u.tag.element;
+ res->u.tag.element =
+ data1_getelementbytagname (dh, at->root->u.root.absyn,
+ e, res->u.tag.tag);
+ return res;
+}
+data1_node *data1_mk_tag (data1_handle dh, NMEM nmem,
+ const char *tag, data1_node *at)
+{
+ return data1_mk_tag_n (dh, nmem, tag, strlen(tag), at);
+}
+
+data1_node *data1_search_tag (data1_handle dh, data1_node *n,
+ const char *tag)
+{
+ for (; n; n = n->next)
+ if (n->which == DATA1N_tag && n->u.tag.tag &&
+ !yaz_matchstr (tag, n->u.tag.tag))
+ {
+ return n;
+ }
+ return 0;
+}
+
+data1_node *data1_mk_tag_uni (data1_handle dh, NMEM nmem,
+ const char *tag, data1_node *at)
+{
+ data1_node *node = data1_search_tag (dh, at->child, tag);
+ if (!node)
+ node = data1_mk_tag (dh, nmem, tag, at);
+ return node;
+}
+
+
+data1_node *data1_mk_text_n (data1_handle dh, NMEM mem,
+ const char *buf, size_t len, data1_node *parent)
+{
+ data1_node *res = data1_mk_node (dh, mem, DATA1N_data, parent);
+ res->u.data.what = DATA1I_text;
+ res->u.data.len = len;
+
+ res->u.data.data = data1_insert_string_n (dh, res, mem, buf, len);
+ return res;
+}
+
+
+data1_node *data1_mk_text (data1_handle dh, NMEM mem,
+ const char *buf, data1_node *parent)
+{
+ return data1_mk_text_n (dh, mem, buf, strlen(buf), parent);
+}
+
+char *data1_insert_string_n (data1_handle dh, data1_node *res,
+ NMEM m, const char *str, size_t len)
+{
+ char *b;
if (len >= DATA1_LOCALDATA)
- return nmem_strdup (m, str);
+ b = nmem_malloc (m, len+1);
else
- {
- strcpy (res->lbuf, str);
- return res->lbuf;
- }
+ b = res->lbuf;
+ memcpy (b, str, len);
+ b[len] = 0;
+ return b;
+}
+
+char *data1_insert_string (data1_handle dh, data1_node *res,
+ NMEM m, const char *str)
+{
+ return data1_insert_string_n (dh, res, m, str, strlen(str));
}
-data1_node *data1_add_insert_taggeddata(data1_handle dh, data1_node *root,
- data1_node *at,
- const char *tagname, NMEM m,
- int first_flag, int local_allowed)
+static data1_node *data1_add_insert_taggeddata(data1_handle dh,
+ data1_node *root,
+ data1_node *at,
+ const char *tagname, NMEM m,
+ int local_allowed)
{
data1_node *partag = get_parent_tag (dh, at);
- data1_node *tagn = data1_mk_node_type (dh, m, DATA1N_tag);
data1_element *e = NULL;
- data1_node *datn;
-
- tagn->u.tag.tag = data1_insert_string (dh, tagn, m, tagname);
+ data1_node *datn = 0;
+ data1_node *tagn = 0;
if (partag)
e = partag->u.tag.element;
- tagn->u.tag.element =
- data1_getelementbytagname (dh, root->u.root.absyn, e, tagname);
- if (!local_allowed && !tagn->u.tag.element)
- return NULL;
- tagn->last_child = tagn->child = datn = data1_mk_node_type (dh, m, DATA1N_data);
- tagn->root = root;
- datn->parent = tagn;
- datn->root = root;
- datn->u.data.formatted_text = 0;
- tagn->parent = at;
-
- if (first_flag)
- {
- tagn->next = at->child;
- if (!tagn->next)
- at->last_child = tagn;
- at->child = tagn;
- }
- else
+ e = data1_getelementbytagname (dh, root->u.root.absyn, e, tagname);
+ if (local_allowed || e)
{
- if (!at->child)
- at->child = tagn;
- else
- {
- assert (at->last_child);
- at->last_child->next = tagn;
- }
- at->last_child = tagn;
+ tagn = data1_mk_node (dh, m, DATA1N_tag, at);
+ tagn->u.tag.tag = data1_insert_string (dh, tagn, m, tagname);
+ tagn->u.tag.element = e;
+ datn = data1_mk_node (dh, m, DATA1N_data, tagn);
}
return datn;
}
-data1_node *data1_add_taggeddata(data1_handle dh, data1_node *root,
- data1_node *at,
- const char *tagname, NMEM m)
+data1_node *data1_mk_tag_data(data1_handle dh, data1_node *root,
+ data1_node *at,
+ const char *tagname, NMEM m)
{
- return data1_add_insert_taggeddata (dh, root, at, tagname, m, 0, 1);
+ return data1_add_insert_taggeddata (dh, root, at, tagname, m, 1);
}
* which should be root or tag itself). Returns pointer to the data node,
* which can then be modified.
*/
-data1_node *data1_insert_taggeddata(data1_handle dh, data1_node *root,
- data1_node *at,
- const char *tagname, NMEM m)
+data1_node *data1_mk_tag_data_wd(data1_handle dh, data1_node *root,
+ data1_node *at,
+ const char *tagname, NMEM m)
+{
+ return data1_add_insert_taggeddata (dh, root, at, tagname, m, 0);
+}
+
+
+data1_node *data1_mk_tag_data_int (data1_handle dh, data1_node *at,
+ const char *tag, int num,
+ NMEM nmem)
+{
+ data1_node *node_data;
+
+ node_data = data1_mk_tag_data (dh, at->root, at, tag, nmem);
+ if (!node_data)
+ return 0;
+ node_data->u.data.what = DATA1I_num;
+ node_data->u.data.data = node_data->lbuf;
+ sprintf (node_data->u.data.data, "%d", num);
+ node_data->u.data.len = strlen (node_data->u.data.data);
+ return node_data;
+}
+
+data1_node *data1_mk_tag_data_oid (data1_handle dh, data1_node *at,
+ const char *tag, Odr_oid *oid,
+ NMEM nmem)
+{
+ data1_node *node_data;
+ char str[128], *p = str;
+ Odr_oid *ii;
+
+ node_data = data1_mk_tag_data (dh, at->root, at, tag, nmem);
+ if (!node_data)
+ return 0;
+
+ for (ii = oid; *ii >= 0; ii++)
+ {
+ if (ii != oid)
+ *p++ = '.';
+ sprintf (p, "%d", *ii);
+ p += strlen (p);
+ }
+ node_data->u.data.what = DATA1I_oid;
+ node_data->u.data.len = strlen (str);
+ node_data->u.data.data = data1_insert_string (dh, node_data, nmem, str);
+ return node_data;
+}
+
+
+data1_node *data1_mk_tag_data_text (data1_handle dh, data1_node *at,
+ const char *tag, const char *str,
+ NMEM nmem)
+{
+ data1_node *node_data;
+
+ node_data = data1_mk_tag_data (dh, at->root, at, tag, nmem);
+ if (!node_data)
+ return 0;
+ node_data->u.data.what = DATA1I_text;
+ node_data->u.data.len = strlen (str);
+ node_data->u.data.data = data1_insert_string (dh, node_data, nmem, str);
+ return node_data;
+}
+
+
+data1_node *data1_mk_tag_data_text_uni (data1_handle dh, data1_node *at,
+ const char *tag, const char *str,
+ NMEM nmem)
{
- return data1_add_insert_taggeddata (dh, root, at, tagname, m, 1, 0);
+ data1_node *node = data1_search_tag (dh, at->child, tag);
+ if (!node)
+ return data1_mk_tag_data_text (dh, at, tag, str, nmem);
+ else
+ {
+ data1_node *node_data = node->child;
+ node_data->u.data.what = DATA1I_text;
+ node_data->u.data.len = strlen (str);
+ node_data->u.data.data = data1_insert_string (dh, node_data,
+ nmem, str);
+ return node_data;
+ }
}
+
#if DATA1_USING_XATTR
data1_xattr *data1_read_xattr (data1_handle dh, NMEM m,
int (*get_byte)(void *fh), void *fh,
data1_node *data1_read_nodex (data1_handle dh, NMEM m,
int (*get_byte)(void *fh), void *fh, WRBUF wrbuf)
{
- data1_absyn *absyn = 0;
data1_node *d1_stack[256];
data1_node *res;
int c;
}
if (level == 0) /* root ? */
{
- if (!(absyn = data1_get_absyn (dh, tag)))
- {
- yaz_log(LOG_WARN, "Unable to acquire abstract syntax " "for '%s'", tag);
- /* It's now OK for a record not to have an absyn */
- }
- res = data1_mk_node_type (dh, m, DATA1N_root);
- res->u.root.type = data1_insert_string (dh, res, m, tag);
- res->u.root.absyn = absyn;
- res->root = res;
+ res = data1_mk_root (dh, m, tag);
}
else if (!strcmp(tag, "var"))
{
*/
if (parent->which != DATA1N_variant)
{
- res = data1_mk_node (dh, m);
- res->which = DATA1N_variant;
- res->u.variant.type = 0;
- res->u.variant.value = 0;
+ res = data1_mk_node (dh, m, DATA1N_variant, parent);
}
else
{
level = i;
break;
}
- res = data1_mk_node (dh, m);
- res->which = DATA1N_variant;
+ res = data1_mk_node (dh, m, DATA1N_variant, parent);
res->u.variant.type = tp;
res->u.variant.value =
data1_insert_string (dh, res, m, args + val_offset);
}
}
else /* tag.. acquire our element in the abstract syntax */
- {
- data1_node *partag = get_parent_tag (dh, parent);
- data1_element *elem, *e = 0;
- int localtag = 0;
-
- if (parent->which == DATA1N_variant)
- return 0;
- if (partag)
- if (!(e = partag->u.tag.element))
- localtag = 1; /* our parent is a local tag */
-
- elem = data1_getelementbytagname(dh, absyn, e, tag);
- res = data1_mk_node_type (dh, m, DATA1N_tag);
- res->u.tag.tag = data1_insert_string (dh, res, m, tag);
- res->u.tag.element = elem;
-#if DATA1_USING_XATTR
- res->u.tag.attributes = xattr;
-#endif
- }
- if (parent)
- {
- parent->last_child = res;
- res->root = parent->root;
- }
- res->parent = parent;
- if (d1_stack[level])
- d1_stack[level]->next = res;
- else if (parent)
- parent->child = res;
+ res = data1_mk_tag (dh, m, tag, parent);
d1_stack[level] = res;
d1_stack[level+1] = 0;
if (level < 250 && !null_tag)
c = (*get_byte)(fh);
continue;
}
- res = data1_mk_node_type (dh, m, DATA1N_data);
- res->parent = parent;
+ res = data1_mk_node (dh, m, DATA1N_data, parent);
res->u.data.what = DATA1I_text;
res->u.data.formatted_text = 0;
- res->root = parent->root;
- parent->last_child = res;
- if (d1_stack[level])
- d1_stack[level]->next = res;
- else
- parent->child = res;
d1_stack[level] = res;
wrbuf_rewind(wrbuf);
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