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/* Conversion of files between different charsets and usages.
Copyright (C) 1990, 1993, 1994 Free Software Foundation, Inc.
Francois Pinard <pinard@iro.umontreal.ca>, 1988.
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.
*/
#if HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#if STDC_HEADERS
# include <stdlib.h>
#endif
#if DIFF_HASH
# ifdef HAVE_LIMITS_H
# include <limits.h>
# endif
# ifndef CHAR_BIT
# define CHAR_BIT 8
# endif
#endif
/* Some systems do not define EXIT_*, even with STDC_HEADERS. */
#ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif
#if __STDC__
# define _(Args) Args
#else
# define _(Args) ()
#endif
void *xmalloc _((int));
char *xstrdup _((const char *));
int argmatch _((const char *, const char *const *));
void error _((int, int, const char *, ...));
/* Description of a charset. */
typedef const char* DOUBLE_TABLE[8];
typedef struct charset CHARSET;
struct charset
{
const char *name; /* main name */
int ignore; /* non zero if should be ignored */
DOUBLE_TABLE *table; /* double table for RFC 1345 */
int size; /* size of each DOUBLE_TABLE entry */
};
/* Description of a single step of recoding. */
typedef enum quality QUALITY;
enum quality
{
REVERSIBLE, /* reversible one to one recoding */
ONE_TO_ONE, /* one character to one */
ONE_TO_MAYBE, /* one character to none or one */
ONE_TO_MANY, /* one character to none, one or many */
MANY_TO_ONE, /* one or many characters to one */
MANY_TO_MANY /* one or many characters to one or many */
};
typedef struct step STEP;
struct step
{
CHARSET *before; /* charset before conversion */
CHARSET *after; /* charset after conversion */
QUALITY quality; /* recoding quality */
void (*init_recode) _((STEP *));
int (*file_recode) _((const STEP *, FILE *, FILE *));
const unsigned char *one_to_one; /* recoding array of 256 chars */
const char *const *one_to_many; /* recoding array of 256 strings */
int conversion_cost; /* cost for this single step only */
};
typedef struct known_pair KNOWN_PAIR;
struct known_pair
{
unsigned char left; /* first character in pair */
unsigned char right; /* second character in pair */
};
/* Description of list formats. */
enum list_format
{
NO_FORMAT, /* format not decided yet */
DECIMAL_FORMAT, /* concise tabular list using decimal */
OCTAL_FORMAT, /* concise tabular list using octal */
HEXADECIMAL_FORMAT, /* concise tabular list using hexadecimal */
FULL_FORMAT /* full list, one character per line */
};
/* recode.c. */
extern int ascii_graphics;
extern char diaeresis_char;
extern int diacritics_only;
extern int strict_mapping;
extern enum list_format list_format;
extern int decoding_charset_flag;
extern const unsigned char *one_to_same;
extern CHARSET *rfc1345;
void usage _((int));
const char *quality_to_string _((QUALITY));
QUALITY merge_qualities _((QUALITY, QUALITY));
void declare_step _((const char *, const char *, QUALITY, void (*) (STEP *),
int (*) (const STEP *, FILE *, FILE *)));
void declare_double_step _((DOUBLE_TABLE *, const char *, int));
unsigned char *invert_table _((const unsigned char *));
void complete_pairs _((STEP *, int, const KNOWN_PAIR *, int, int));
int file_one_to_one _((const STEP *, FILE *, FILE *));
int file_one_to_many _((const STEP *, FILE *, FILE *));
/* charname.c. */
char *symbol_to_charname _((const char *));
/* charset.c. */
extern CHARSET charset_array[];
extern int number_of_charsets;
void decode_known_pairs _((const char *));
void prepare_charset_initialization _((void));
CHARSET *find_charset _((const char *));
void declare_alias _((const char *, const char *));
void make_argmatch_array _((void));
const char *clean_charset_name _((const char *));
void list_all_charsets _((CHARSET *));
void init_table_for_rfc1345 _((STEP *));
void list_concise_charset _((CHARSET *));
void list_full_charset _((CHARSET *));
/* Debugging the memory allocator. */
#if WITH_DMALLOC
# define DMALLOC_FUNC_CHECK
# include <dmalloc.h>
#endif
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.