mh.h
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This program 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; either version 2, or (at your option)
any later version.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <argp.h>
#include <mh_getopt.h>
#include <string.h>
#include <mailutils/parse822.h>
#include <mailutils/mailbox.h>
#include <mailutils/message.h>
#include <mailutils/header.h>
#include <mailutils/body.h>
#include <mailutils/registrar.h>
#include <mailutils/list.h>
#include <mailutils/iterator.h>
#include <mailutils/address.h>
#include <mailutils/mutil.h>
#include <mailutils/filter.h>
#define MH_FMT_RALIGN 0x1000
#define MH_FMT_ZEROPAD 0x2000
#define MH_WIDTH_MASK 0x0fff
enum mh_opcode
{
/* 0. Stop. Format: mhop_stop */
mhop_stop,
/* 1. Branch.
Format: mhop_branch offset */
mhop_branch,
/* 2. Assign to numeric register
Format: mhop_num_asgn number */
mhop_num_asgn,
/* 3. Assign to string register
Format: mhop_str_asgn length string */
mhop_str_asgn,
/* 4. Numeric arg follows.
Format: mhop_num_arg number */
mhop_num_arg,
/* 5. String arg follows.
Format: mhop_str_arg length string */
mhop_str_arg,
/* 6. Branch if reg_num is zero.
Format: mhop_num_branch dest-off */
mhop_num_branch,
/* 7. Branch if reg_str is zero.
Format: mhop_str_branch dest-off */
mhop_str_branch,
/* 8. Set str to the value of the header component
Format: mhop_header */
mhop_header,
/* 9. Read message body contents into str.
Format: mhop_body */
mhop_body,
/* 10. Call a function.
Format: mhop_call function-pointer */
mhop_call,
/* 11. assign reg_num to arg_num */
mhop_num_to_arg,
/* 12. assign reg_str to arg_str */
mhop_str_to_arg,
/* 13. Convert arg_str to arg_num */
mhop_str_to_num,
/* 14. Convert arg_num to arg_str */
mhop_num_to_str,
/* 15. Print reg_num */
mhop_num_print,
/* 16. Print reg_str */
mhop_str_print,
/* 17. Set format specification.
Format: mhop_fmtspec number */
mhop_fmtspec
};
enum mh_type
{
mhtype_none,
mhtype_num,
mhtype_str
};
typedef int mh_opcode_t;
typedef struct mh_format mh_format_t;
struct mh_format
{
size_t progsize; /* Size of allocated program*/
mh_opcode_t *prog; /* Program itself */
};
struct mh_machine;
typedef void (*mh_builtin_fp)(struct mh_machine *);
typedef struct mh_builtin mh_builtin_t;
struct mh_builtin
{
char *name;
mh_builtin_fp fun;
int type;
int argtype;
int optarg;
};
void mh_init (void);
int mh_format (mh_format_t *fmt, message_t msg, size_t msgno,
char *buffer, size_t bufsize);
int mh_format_parse (char *format_str, mh_format_t *fmt);
void mh_format_free (mh_format_t *fmt);
mh_builtin_t *mh_lookup_builtin (char *name, int *rest);
void mh_error(const char *fmt, ...);
void *xmalloc (size_t);
void *xrealloc (void *, size_t);