1
/* Licensed to the Apache Software Foundation (ASF) under one or more
2
* contributor license agreements. See the NOTICE file distributed with
3
* this work for additional information regarding copyright ownership.
4
* The ASF licenses this file to You under the Apache License, Version 2.0
5
* (the "License"); you may not use this file except in compliance with
6
* the License. You may obtain a copy of the License at
8
* http://www.apache.org/licenses/LICENSE-2.0
10
* Unless required by applicable law or agreed to in writing, software
11
* distributed under the License is distributed on an "AS IS" BASIS,
12
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13
* See the License for the specific language governing permissions and
14
* limitations under the License.
18
* @file util_cfgtree.h
19
* @brief Config Tree Package
21
* @defgroup APACHE_CORE_CONFIG_TREE Config Tree Package
22
* @ingroup APACHE_CORE_CONFIG
29
#include "ap_config.h"
35
typedef struct ap_directive_t ap_directive_t;
38
* @brief Structure used to build the config tree.
40
* The config tree only stores
41
* the directives that will be active in the running server. Directives
42
* that contain other directions, such as <Directory ...> cause a sub-level
43
* to be created, where the included directives are stored. The closing
44
* directive (</Directory>) is not stored in the tree.
46
struct ap_directive_t {
47
/** The current directive */
48
const char *directive;
49
/** The arguments for the current directive, stored as a space
52
/** The next directive node in the tree */
53
struct ap_directive_t *next;
54
/** The first child node of this directive */
55
struct ap_directive_t *first_child;
56
/** The parent node of this directive */
57
struct ap_directive_t *parent;
59
/** directive's module can store add'l data here */
62
/* ### these may go away in the future, but are needed for now */
63
/** The name of the file this directive was found in */
65
/** The line number the directive was on */
68
/** A short-cut towards the last directive node in the tree.
69
* The value may not always be up-to-date but it always points to
70
* somewhere in the tree, nearer to the tail.
71
* This value is only set in the first node
73
struct ap_directive_t *last;
77
* The root of the configuration tree
79
AP_DECLARE_DATA extern ap_directive_t *ap_conftree;
82
* Add a node to the configuration tree.
83
* @param parent The current parent node. If the added node is a first_child,
84
then this is changed to the current node
85
* @param current The current node
86
* @param toadd The node to add to the tree
87
* @param child Is the node to add a child node
88
* @return the added node
90
ap_directive_t *ap_add_node(ap_directive_t **parent, ap_directive_t *current,
91
ap_directive_t *toadd, int child);