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/*
* $Id$
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2012 OpenLink Software
*
* This project is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; only version 2 of the License, dated June 1991.
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef _UUENCODE_IMPL_H
#define _UUENCODE_IMPL_H
#include "Dk.h"
#define UUENCTYPE_UNKNOWN (0) /*!< The search for encoding is in progress */
#define UUENCTYPE_NATIVE (1) /*!< UUencoded data */
#define UUENCTYPE_BASE64_UNIX (2) /*!< Base64 data as produced by UNIX uuencode -m call */
#define UUENCTYPE_BASE64_WIDE (3) /*!< Base64 data with large length of data strings */
#define UUENCTYPE_XX (4) /*!< XXencoded data */
#define UUENCTYPE_BINHEX (5) /*!< Binhex encoded data */
#define UUENCTYPE_PLAINTEXT (10) /*!< Plain-Text */
#define UUENCTYPE_MIME_QP_TXT (11) /*!< Quoted-Printable MIME, for text documents (CRLF as hard break) */
#define UUENCTYPE_MIME_QP_BIN (12) /*!< Quoted-Printable MIME, for binaries (CRLF as =0D=0A) */
#define ASCII_CR 0x0d /* \r */
#define ASCII_LF 0x0a /* \n */
#define CTE_UUENC "x-uuencode"
#define CTE_XXENC "x-xxencode"
#define CTE_BINHEX "x-binhex"
#define CTE_TYPE(y) (((y)==UUENCTYPE_BASE64) ? "Base64" : \
((y)==UUENCTYPE_NATIVE) ? CTE_UUENC : \
((y)==UUENCTYPE_XX) ? CTE_XXENC : \
((y)==UUENCTYPE_BINHEX) ? CTE_BINHEX : "x-oops")
#ifndef ACAST
#define ACAST(s) ((int)(unsigned char)(s))
#endif
struct uu_ctx_s
{
int uuc_state;
int uuc_enctype;
int uuc_boundary_status;
caddr_t uuc_boundary;
caddr_t uuc_errmsg;
int uuc_bug_count;
int uuc_trail_len;
unsigned char uuc_trail[5];
};
#define UUSTATE_BEGIN (1)
#define UUSTATE_BODY (2)
#define UUSTATE_END (3)
#define UUSTATE_FINISHED (4)
typedef struct uu_ctx_s uu_ctx_t;
/*! \brief Initializes internal translation tables.
Should be called once before any use of UU functionality */
extern void uu_initialize_tables(void);
/*! Creates an array of sections with encoded text of \c input, no more than
\c maxlinespersection lines in every section
(so every section will contain about <CODE>80*maxlinespersection</CODE> bytes),
using encoding \c uuenctype.
Only UUENCTYPE_NATIVE, UUENCTYPE_XX and UUENCTYPE_BASE64 are supported.
\c maxlinespersection should be positive and less than 120000. */
void uu_encode_string_session (caddr_t * out_sections, dk_session_t * input,
int uuenctype, int maxlinespersection);
/*! Creates an array of sections with encoded text of \c input, no more than
\c maxlinespersection lines in every section
(so every section will contain about <CODE>80*maxlinespersection</CODE> bytes),
using encoding \c uuenctype.
Only UUENCTYPE_NATIVE, UUENCTYPE_XX and UUENCTYPE_BASE64 are supported.
\c maxlinespersection should be positive and less than 120000. */
void
uu_encode_string (caddr_t * out_sections, caddr_t input,
int uuenctype, int maxlinespersection);
/*! Returns type of string's encoding.
\c enctype is UUENCTYPE_UNKNOWN if we are still searching for encoded data,
otherwise it's current type. If UUENCTYPE_UNKNOWN, the check is more strict. */
int uu_validate_encoding (unsigned char *ptr, int encoding, int *bhflag, int *is_semi_legal);
/*! Type of function which decodes \c input string,
returning new box with decoded context as \c out[0].
It changes \c ctx to reflect the final status of decoding and
maybe to save error message. */
typedef void uu_decode_t (uu_ctx_t *ctx, caddr_t *out, caddr_t input);
extern uu_decode_t uu_decode_mime_qp;
extern uu_decode_t uu_decode_plaintext;
extern uu_decode_t uu_decode_part;
#endif /* _UUENCODE_IMPL_H */
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