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/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
* @file util_cfgtree.h
* @brief Config Tree Package
* @defgroup APACHE_CORE_CONFIG_TREE Config Tree Package
* @{
#include "ap_config.h"
#ifdef __cplusplus
extern "C" {
typedef struct ap_directive_t ap_directive_t;
* @brief Structure used to build the config tree.
* The config tree only stores
* the directives that will be active in the running server. Directives
* that contain other directions, such as <Directory ...> cause a sub-level
* to be created, where the included directives are stored. The closing
* directive (</Directory>) is not stored in the tree.
struct ap_directive_t {
/** The current directive */
const char *directive;
/** The arguments for the current directive, stored as a space
* separated list */
const char *args;
/** The next directive node in the tree */
struct ap_directive_t *next;
/** The first child node of this directive */
struct ap_directive_t *first_child;
/** The parent node of this directive */
struct ap_directive_t *parent;
/** directive's module can store add'l data here */
void *data;
/* ### these may go away in the future, but are needed for now */
/** The name of the file this directive was found in */
const char *filename;
/** The line number the directive was on */
int line_num;
/** A short-cut towards the last directive node in the tree.
* The value may not always be up-to-date but it always points to
* somewhere in the tree, nearer to the tail.
* This value is only set in the first node
struct ap_directive_t *last;
* The root of the configuration tree
AP_DECLARE_DATA extern ap_directive_t *ap_conftree;
* Add a node to the configuration tree.
* @param parent The current parent node. If the added node is a first_child,
then this is changed to the current node
* @param current The current node
* @param toadd The node to add to the tree
* @param child Is the node to add a child node
* @return the added node
ap_directive_t *ap_add_node(ap_directive_t **parent, ap_directive_t *current,
ap_directive_t *toadd, int child);
#ifdef __cplusplus
/** @} */
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