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/*
ldb database library
Copyright (C) Andrew Tridgell 2004
** NOTE! The following LGPL license applies to the ldb
** library. This does NOT imply that all of Samba is released
** under the LGPL
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Name: ldb
*
* Component: ldb expression parse header
*
* Description: structure for expression parsing
*
* Author: Andrew Tridgell
*/
#ifndef _LDB_PARSE_H
#define _LDB_PARSE_H 1
enum ldb_parse_op {LDB_OP_SIMPLE, LDB_OP_AND, LDB_OP_OR, LDB_OP_NOT};
struct ldb_parse_tree {
enum ldb_parse_op operation;
union {
struct {
char *attr;
struct ldb_val value;
} simple;
struct {
unsigned int num_elements;
struct ldb_parse_tree **elements;
} list;
struct {
struct ldb_parse_tree *child;
} not;
} u;
};
struct ldb_parse_tree *ldb_parse_tree(struct ldb_context *ldb, const char *s);
void ldb_parse_tree_free(struct ldb_context *ldb, struct ldb_parse_tree *tree);
#endif
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