/* 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
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
/**
* @ file ap_regkey . h
* @ brief APR - style Win32 Registry Manipulation
*/
#ifndef AP_REGKEY_H
#define AP_REGKEY_H
#if defined (WIN32) || defined (DOXYGEN)
#include "apr.h"
#include "apr_pools.h"
#include "ap_config.h" /* Just for AP_DECLARE */
#ifdef __cplusplus
extern "C" {
#endif
typedef struct ap_regkey_t ap_regkey_t;
/* Used to recover AP_REGKEY_* constants
*/
AP_DECLARE(const ap_regkey_t *) ap_regkey_const(int i);
/**
* Win32 Only : Constants for ap_regkey_open ( )
*/
#define AP_REGKEY_CLASSES_ROOT ap_regkey_const(0 )
#define AP_REGKEY_CURRENT_CONFIG ap_regkey_const(1 )
#define AP_REGKEY_CURRENT_USER ap_regkey_const(2 )
#define AP_REGKEY_LOCAL_MACHINE ap_regkey_const(3 )
#define AP_REGKEY_USERS ap_regkey_const(4 )
#define AP_REGKEY_PERFORMANCE_DATA ap_regkey_const(5 )
#define AP_REGKEY_DYN_DATA ap_regkey_const(6 )
/**
* Win32 Only : Flags for ap_regkey_value_set ( )
*/
#define AP_REGKEY_EXPAND 0 x0001
/**
* Win32 Only : Open the specified registry key .
* @ param newkey The opened registry key
* @ param parentkey The open registry key of the parent , or one of
* < PRE >
* AP_REGKEY_CLASSES_ROOT
* AP_REGKEY_CURRENT_CONFIG
* AP_REGKEY_CURRENT_USER
* AP_REGKEY_LOCAL_MACHINE
* AP_REGKEY_USERS
* AP_REGKEY_PERFORMANCE_DATA
* AP_REGKEY_DYN_DATA
* < / PRE >
* @ param keyname The path of the key relative to the parent key
* @ param flags Or ' ed value of :
* < PRE >
* APR_READ open key for reading
* APR_WRITE open key for writing
* APR_CREATE create the key if it doesn ' t exist
* APR_EXCL return error if APR_CREATE and key exists
* < / PRE >
* @ param pool The pool in which newkey is allocated
*/
AP_DECLARE(apr_status_t) ap_regkey_open(ap_regkey_t **newkey,
const ap_regkey_t *parentkey,
const char *keyname,
apr_int32_t flags,
apr_pool_t *pool);
/**
* Win32 Only : Close the registry key opened or created by ap_regkey_open ( ) .
* @ param key The registry key to close
*/
AP_DECLARE(apr_status_t) ap_regkey_close(ap_regkey_t *key);
/**
* Win32 Only : Remove the given registry key .
* @ param parent The open registry key of the parent , or one of
* < PRE >
* AP_REGKEY_CLASSES_ROOT
* AP_REGKEY_CURRENT_CONFIG
* AP_REGKEY_CURRENT_USER
* AP_REGKEY_LOCAL_MACHINE
* AP_REGKEY_USERS
* AP_REGKEY_PERFORMANCE_DATA
* AP_REGKEY_DYN_DATA
* < / PRE >
* @ param keyname The path of the key relative to the parent key
* @ param pool The pool used for temp allocations
* @ remark ap_regkey_remove ( ) is not recursive , although it removes
* all values within the given keyname , it will not remove a key
* containing subkeys .
*/
AP_DECLARE(apr_status_t) ap_regkey_remove(const ap_regkey_t *parent,
const char *keyname,
apr_pool_t *pool);
/**
* Win32 Only : Retrieve a registry value string from an open key .
* @ param result The string value retrieved
* @ param key The registry key to retrieve the value from
* @ param valuename The named value to retrieve ( pass " " for the default )
* @ param pool The pool used to store the result
* @ remark There is no toggle to prevent environment variable expansion
* if the registry value is set with AP_REG_EXPAND ( REG_EXPAND_SZ ) , such
* expansions are always performed .
*/
AP_DECLARE(apr_status_t) ap_regkey_value_get(char **result,
ap_regkey_t *key,
const char *valuename,
apr_pool_t *pool);
/**
* Win32 Only : Store a registry value string into an open key .
* @ param key The registry key to store the value into
* @ param valuename The named value to store ( pass " " for the default )
* @ param value The string to store for the named value
* @ param flags The option AP_REGKEY_EXPAND or 0 , where AP_REGKEY_EXPAND
* values will find all % foo % variables expanded from the environment .
* @ param pool The pool used for temp allocations
*/
AP_DECLARE(apr_status_t) ap_regkey_value_set(ap_regkey_t *key,
const char *valuename,
const char *value,
apr_int32_t flags,
apr_pool_t *pool);
/**
* Win32 Only : Retrieve a raw byte value from an open key .
* @ param result The raw bytes value retrieved
* @ param resultsize Pointer to a variable to store the number raw bytes retrieved
* @ param resulttype Pointer to a variable to store the registry type of the value retrieved
* @ param key The registry key to retrieve the value from
* @ param valuename The named value to retrieve ( pass " " for the default )
* @ param pool The pool used to store the result
*/
AP_DECLARE(apr_status_t) ap_regkey_value_raw_get(void **result,
apr_size_t *resultsize,
apr_int32_t *resulttype,
ap_regkey_t *key,
const char *valuename,
apr_pool_t *pool);
/**
* Win32 Only : Store a raw bytes value into an open key .
* @ param key The registry key to store the value into
* @ param valuename The named value to store ( pass " " for the default )
* @ param value The bytes to store for the named value
* @ param valuesize The number of bytes for value
* @ param valuetype The
* values will find all % foo % variables expanded from the environment .
* @ param pool The pool used for temp allocations
*/
AP_DECLARE(apr_status_t) ap_regkey_value_raw_set(ap_regkey_t *key,
const char *valuename,
const void *value,
apr_size_t valuesize,
apr_int32_t valuetype,
apr_pool_t *pool);
/**
* Win32 Only : Retrieve a registry value string from an open key .
* @ param result The string elements retrieved from a REG_MULTI_SZ string array
* @ param key The registry key to retrieve the value from
* @ param valuename The named value to retrieve ( pass " " for the default )
* @ param pool The pool used to store the result
*/
AP_DECLARE(apr_status_t) ap_regkey_value_array_get(apr_array_header_t **result,
ap_regkey_t *key,
const char *valuename,
apr_pool_t *pool);
/**
* Win32 Only : Store a registry value string array into an open key .
* @ param key The registry key to store the value into
* @ param valuename The named value to store ( pass " " for the default )
* @ param nelts The string elements to store in a REG_MULTI_SZ string array
* @ param elts The number of elements in the elts string array
* @ param pool The pool used for temp allocations
*/
AP_DECLARE(apr_status_t) ap_regkey_value_array_set(ap_regkey_t *key,
const char *valuename,
int nelts,
const char * const * elts,
apr_pool_t *pool);
/**
* Win32 Only : Remove a registry value from an open key .
* @ param key The registry key to remove the value from
* @ param valuename The named value to remove ( pass " " for the default )
* @ param pool The pool used for temp allocations
*/
AP_DECLARE(apr_status_t) ap_regkey_value_remove(const ap_regkey_t *key,
const char *valuename,
apr_pool_t *pool);
#ifdef __cplusplus
}
#endif
#endif /* def WIN32 || def DOXYGEN */
#endif /* AP_REGKEY_H */
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