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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
*
* 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 mod_include.h
* @brief Server Side Include Filter Extension Module for Apache
*
* @defgroup MOD_INCLUDE mod_include
* @ingroup APACHE_MODS
* @{
*/
#ifndef _MOD_INCLUDE_H
#define _MOD_INCLUDE_H 1
#include "apr_pools.h"
#include "apr_optional.h"
/*
* Constants used for ap_ssi_get_tag_and_value's decode parameter
*/
#define SSI_VALUE_DECODED 1
#define SSI_VALUE_RAW 0
/*
* Constants used for ap_ssi_parse_string's leave_name parameter
*/
#define SSI_EXPAND_LEAVE_NAME 1
#define SSI_EXPAND_DROP_NAME 0
/*
* This macro creates a bucket which contains an error message and appends it
* to the current pass brigade
*/
#define SSI_CREATE_ERROR_BUCKET(ctx, f, bb) APR_BRIGADE_INSERT_TAIL((bb), \
apr_bucket_pool_create(apr_pstrdup((ctx)->pool, (ctx)->error_str), \
strlen((ctx)->error_str), (ctx)->pool, \
(f)->c->bucket_alloc))
/*
* These constants are used to set or clear flag bits.
*/
#define SSI_FLAG_PRINTING (1<<0) /* Printing conditional lines. */
#define SSI_FLAG_COND_TRUE (1<<1) /* Conditional eval'd to true. */
#define SSI_FLAG_SIZE_IN_BYTES (1<<2) /* Sizes displayed in bytes. */
#define SSI_FLAG_NO_EXEC (1<<3) /* No Exec in current context. */
#define SSI_FLAG_SIZE_ABBREV (~(SSI_FLAG_SIZE_IN_BYTES))
#define SSI_FLAG_CLEAR_PRINT_COND (~((SSI_FLAG_PRINTING) | \
(SSI_FLAG_COND_TRUE)))
#define SSI_FLAG_CLEAR_PRINTING (~(SSI_FLAG_PRINTING))
/*
* The public SSI context structure
*/
typedef struct {
/* permanent pool, use this for creating bucket data */
apr_pool_t *pool;
/* temp pool; will be cleared after the execution of every directive */
apr_pool_t *dpool;
/* See the SSI_FLAG_XXXXX definitions. */
int flags;
/* nesting of *invisible* ifs */
int if_nesting_level;
/* if true, the current buffer will be passed down the filter chain before
* continuing with next input bucket and the variable will be reset to
* false.
*/
int flush_now;
/* argument counter (of the current directive) */
unsigned argc;
/* currently configured error string */
const char *error_str;
/* currently configured time format */
const char *time_str;
/* the current request */
request_rec *r;
/* pointer to internal (non-public) data, don't touch */
struct ssi_internal_ctx *intern;
} include_ctx_t;
typedef apr_status_t (include_handler_fn_t)(include_ctx_t *, ap_filter_t *,
apr_bucket_brigade *);
APR_DECLARE_OPTIONAL_FN(void, ap_ssi_get_tag_and_value,
(include_ctx_t *ctx, char **tag, char **tag_val,
int dodecode));
APR_DECLARE_OPTIONAL_FN(char*, ap_ssi_parse_string,
(include_ctx_t *ctx, const char *in, char *out,
apr_size_t length, int leave_name));
APR_DECLARE_OPTIONAL_FN(void, ap_register_include_handler,
(char *tag, include_handler_fn_t *func));
#endif /* MOD_INCLUDE */
/** @} */