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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */

/* Cherokee
*
* Authors:
* Alvaro Lopez Ortega <alvaro@alobbs.com>
*
* Copyright (C) 2001-2011 Alvaro Lopez Ortega
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/

#if !defined (CHEROKEE_INSIDE_CHEROKEE_H) && !defined (CHEROKEE_COMPILATION)
# error "Only <cherokee/cherokee.h> can be included directly, this file may disappear or change contents."
#endif


#ifndef CHEROKEE_HEADER_PROTECTED_H
#define CHEROKEE_HEADER_PROTECTED_H

#include "buffer.h"
#include "http.h"


CHEROKEE_BEGIN_DECLS

/* NOTE:
* Keep it sync with known_headers_names of header.c
*/
typedef enum {
header_accept,
header_accept_charset,
header_accept_encoding,
header_accept_language,
header_authorization,
header_connection,
header_content_length,
header_content_type,
header_set_cookie,
header_cookie,
header_host,
header_if_modified_since,
header_if_none_match,
header_if_range,
header_keepalive,
header_location,
header_range,
header_referer,
header_transfer_encoding,
header_upgrade,
header_user_agent,
header_x_forwarded_for,
header_x_forwarded_host,
header_x_real_ip,
header_expect,
HEADER_LENGTH
} cherokee_common_header_t;


typedef enum {
header_type_request,
header_type_response,
header_type_basic
} cherokee_header_type_t;


typedef struct cherokee_header cherokee_header_t;
#define HDR(h) ((cherokee_header_t *)(h))


typedef ret_t (* cherokee_header_foreach_func_t) (cherokee_buffer_t *header, cherokee_buffer_t *content, void *data);

ret_t cherokee_header_new (cherokee_header_t **hdr, cherokee_header_type_t type);
ret_t cherokee_header_init (cherokee_header_t *hdr, cherokee_header_type_t type);
ret_t cherokee_header_free (cherokee_header_t *hdr);
ret_t cherokee_header_mrproper (cherokee_header_t *hdr);

ret_t cherokee_header_clean (cherokee_header_t *hdr);
ret_t cherokee_header_parse (cherokee_header_t *hdr, cherokee_buffer_t *buffer, cherokee_http_t *error_code);
ret_t cherokee_header_has_header (cherokee_header_t *hdr, cherokee_buffer_t *buffer, int tail_len);

ret_t cherokee_header_get_length (cherokee_header_t *hdr, cuint_t *len);
ret_t cherokee_header_foreach_unknown (cherokee_header_t *hdr, cherokee_header_foreach_func_t func, void *data);

ret_t cherokee_header_copy_request (cherokee_header_t *hdr, cherokee_buffer_t *request);
ret_t cherokee_header_copy_query_string (cherokee_header_t *hdr, cherokee_buffer_t *query_string);
ret_t cherokee_header_copy_request_w_args (cherokee_header_t *hdr, cherokee_buffer_t *request);
ret_t cherokee_header_get_request_w_args (cherokee_header_t *hdr, char **req, int *req_len);

ret_t cherokee_header_has_known (cherokee_header_t *hdr, cherokee_common_header_t header);
ret_t cherokee_header_get_known (cherokee_header_t *hdr, cherokee_common_header_t header, char **info, cuint_t *info_len);
ret_t cherokee_header_get_unknown (cherokee_header_t *hdr, const char *name, cuint_t name_len, char **header, cuint_t *header_len);

ret_t cherokee_header_copy_known (cherokee_header_t *hdr, cherokee_common_header_t header, cherokee_buffer_t *buf);
ret_t cherokee_header_copy_unknown (cherokee_header_t *hdr, const char *name, cuint_t name_len, cherokee_buffer_t *buf);

ret_t cherokee_header_copy_method (cherokee_header_t *hdr, cherokee_buffer_t *buf);
ret_t cherokee_header_copy_version (cherokee_header_t *hdr, cherokee_buffer_t *buf);


CHEROKEE_END_DECLS

#endif /* CHEROKEE_HEADER_PROTECTED_H */
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