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/* This file is part of the Zebra server.
Copyright (C) Index Data
Zebra is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <yaz/log.h>
#include <idzebra/data1.h>
void data1_remove_node(data1_handle dh, data1_node *n)
{
/* n is first childen */
if (n->parent->child == n)
{
n->parent->child = n->next;
/* n is the only child */
if(! n->next){
n->parent->last_child = 0;
}
}
/* n is one of the following childrens */
else
{
data1_node * before;
/* need to find sibling before me */
before = n->parent->child;
while (before->next != n)
before = before->next;
before->next = n->next;
/* n is last child of many */
if ( n->parent->last_child == n)
n->parent->last_child = before;
}
/* break pointers to root, parent and following siblings */
n->parent = 0;
n->root = 0;
n->next = 0;
}
void data1_remove_idzebra_subtree(data1_handle dh, data1_node *n)
{
if (n->which == DATA1N_tag && !strcmp(n->u.tag.tag, "idzebra")
&& n->u.tag.attributes)
{
data1_xattr *xattr = n->u.tag.attributes;
for (; xattr; xattr = xattr->next)
{
if (!strcmp(xattr->name, "xmlns")
&& !strcmp(xattr->value, "http://www.indexdata.dk/zebra/"))
data1_remove_node(dh, n);
}
}
if (n->child)
data1_remove_idzebra_subtree(dh, n->child);
if (n->next)
data1_remove_idzebra_subtree(dh, n->next);
}
/*
* Local variables:
* c-basic-offset: 4
* c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
*/
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