etl_data.h

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/* Copyright 2005-2006 Garrett Rooney.
 *
 * Licensed 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 etl_data.h
 * @brief Functions for manipulating ETL Data Definition Language files
 */

#ifndef ETL_DATA_H
#define ETL_DATA_H

#include "etl_resolver.h"
#include "etl_error.h"

#include <apr.h>
#include <apr_hash.h>
#include <apr_tables.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/**
 * Parse @a in, a brigade containing ETL Data Definition Language,
 * returning a hash holding the resulting variables in @a *data,
 * allocated from @a pool.
 *
 * @a resolver is used to find any included files. */
etl_error_t *
etl_ddl_parse(apr_hash_t **data,
              etl_resolver_t *resolver,
              apr_bucket_brigade *in,
              apr_pool_t *pool);

/**
 * Parse a file @a filename that holds ETL Data Definition Language,
 * returning a hash holding the resulting variables in @a *data,
 * allocated from @a pool.
 *
 * @a resolver is used to find any included files. */
etl_error_t *
etl_ddl_parse_file(apr_hash_t **data,
                   etl_resolver_t *resolver,
                   const char *filename,
                   apr_pool_t *pool);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* ETL_DATA_H */

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