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/*-----------------------------------------------------------------------
$Id: utf8.h 1025 2008-04-08 22:59:38Z hubert@u.washington.edu $
-----------------------------------------------------------------------*/
/*
* ========================================================================
* Copyright 2013-2021 Eduardo Chappa
* Copyright 2006-2008 University of Washington
*
* 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
*
* ========================================================================
*/
#ifndef PITH_CHARCONV_UTF8_INCLUDED
#define PITH_CHARCONV_UTF8_INCLUDED
#include <general.h>
#include "../filttype.h"
/* flags for convert_to_utf8 */
#define CU8_NONE 0x00
#define CU8_NOINFER 0x01 /* Not ok to infer charset */
/*
* The data in vl and dl is UCS-4 characters.
* They are arrays of size vlen and dlen of unsigned longs.
*/
struct display_line {
int row, col; /* where display starts */
UCS *vl; /* virtual line, the actual data string */
int vlen; /* size of vl array */
int vused; /* elements of vl in use */
int vbase; /* index into array, first virtual char on display */
UCS *dl; /* visible part of virtual line on display */
UCS *olddl;
int dlen; /* size of dl array */
int dwid; /* screenwidth avail for dl */
void (*movecursor)(int, int);
void (*writechar)(UCS);
};
/*
* Exported Prototypes
*/
void init_utf8_display(int, void *);
int wcellwidth(UCS);
int wtomb(char *, UCS);
UCS mbtow(void *, unsigned char **, unsigned long *);
void set_locale_charmap(char *);
char *convert_to_utf8(char *, char *, int);
char *convert_to_locale(char *);
int utf8_to_locale(int c, CBUF_S *cb, unsigned char obuf[], size_t obuf_size);
unsigned ucs4_str_width(UCS *);
unsigned ucs4_str_width_a_to_b(UCS *, int, int);
unsigned ucs4_str_width_ptr_to_ptr(UCS *, UCS *);
UCS *ucs4_particular_width(UCS*, int);
UCS *utf8_to_ucs4_cpystr(char *);
char *ucs4_to_utf8_cpystr(UCS *);
char *ucs4_to_utf8_cpystr_n(UCS *, int);
char *ucs4_to_utf8_n_cpystr(UCS *, int);
#ifdef _WINDOWS
LPTSTR utf8_to_lptstr(LPSTR);
LPSTR lptstr_to_utf8(LPTSTR);
LPTSTR ucs4_to_lptstr(UCS *);
UCS *lptstr_to_ucs4(LPTSTR);
#endif /* _WINDOWS */
int utf8_to_ucs4_oneatatime(int, CBUF_S *, UCS *, int *);
size_t ucs4_strlen(UCS *s);
int ucs4_strcmp(UCS *s1, UCS *s2);
UCS *ucs4_cpystr(UCS *s);
UCS *ucs4_strncpy(UCS *ucs4dst, UCS *ucs4src, size_t n);
UCS *ucs4_strncat(UCS *ucs4dst, UCS *ucs4src, size_t n);
UCS *ucs4_strchr(UCS *s, UCS c);
UCS *ucs4_strrchr(UCS *s, UCS c);
unsigned utf8_width(char *);
size_t utf8_to_width_rhs(char *, char *, size_t, unsigned);
int utf8_snprintf(char *, size_t, char *, ...);
size_t utf8_to_width(char *, char *, size_t, unsigned, unsigned *);
size_t utf8_pad_to_width(char *, char *, size_t, unsigned, int);
unsigned utf8_truncate(char *, unsigned);
char *utf8_count_back_width(char *, char *, unsigned, unsigned *);
char *utf8_count_forw_width(char *, unsigned, unsigned *);
void sstrncpy(char **, char *, int);
int setup_for_input_output(int, char **, char **, void **, char **);
int input_charset_is_supported(char *);
int output_charset_is_supported(char *);
int posting_charset_is_supported(char *);
char *utf8_to_charset(char *, char *, int);
char *comatose(long);
char *tose(long);
void line_paint(int, struct display_line *, int *);
int pith_ucs4width(UCS);
#if !defined(_WINDOWS) && HAVE_LANGINFO_H && defined(CODESET)
char *nl_langinfo_codeset_wrapper(void);
#endif
#endif /* PITH_CHARCONV_UTF8_INCLUDED */
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