mirror of https://github.com/fltk/fltk
249 lines
8.6 KiB
C
249 lines
8.6 KiB
C
//
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// Copyright 1998-2005 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version
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// with exceptions that allow sub-classing and static linking in
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// non-LGPL compliant software. These exceptions are subject to
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// conditions, see the FLTK License for more details.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the FLTK
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// License for more details.
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//
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// You should have received a copy of the FLTK License along with
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// this library; if not, write to OksiD Software, Jean-Marc Lienher,
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// Rue de la Cheminee 1, CH-2065 Savagnier, Switzerland.
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//
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// Please report all bugs and problems to "oksid@bluewin.ch".
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//
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// Merged in some functionality from the fltk-2 version. IMM.
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// The following code is an attempt to merge the functions incorporated in FLTK2
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// with the functions provided in OksiD's fltk-1.1.6-utf8 port
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/*** NOTE : all functions are LIMITED to 24 bits Unicode values !!! ***/
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#ifndef _HAVE_FL_UTF8_HDR_
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# define _HAVE_FL_UTF8_HDR_
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# include <stdio.h>
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# include <string.h>
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# include <stdlib.h>
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# ifndef FL_EXPORT
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# if defined(FL_DLL) && defined(_MSC_VER)
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# ifdef FL_LIBRARY
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# define FL_EXPORT __declspec(dllexport)
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# else
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# define FL_EXPORT __declspec(dllimport)
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# endif /* FL_LIBRARY */
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# else
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# define FL_EXPORT
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# endif /* FL_DLL && _MSC_VER */
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# endif /* FL_EXPORT */
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# if __APPLE__
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# include <wchar.h>
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# include <sys/stat.h>
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# else
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# include <sys/types.h>
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# include <sys/stat.h>
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# ifndef _WIN32
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# include "Xutf8.h"
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# include <X11/Xlocale.h>
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# include <X11/Xlib.h>
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# endif
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# include <locale.h>
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# endif
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# if defined(WIN32)
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# include <ctype.h>
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# define xchar wchar_t
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# else
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# if __APPLE__
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# define xchar wchar_t
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# else
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# define xchar unsigned short
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# endif
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# endif
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# if defined(WIN32) && !defined(FL_DLL)
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# undef strdup
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# define strdup _strdup
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# undef putenv
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# define putenv _putenv
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# undef stricmp
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# define stricmp _stricmp
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# undef strnicmp
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# define strnicmp _strnicmp
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# undef hypot
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# define hypot _hypot
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# undef chdir
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# define chdir _chdir
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# endif
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# ifdef __cplusplus
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extern "C" {
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# endif
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/* F2: comes from FLTK2 */
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/* OD: comes from OksiD */
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/* F2: How many bytes will be used to encode this wide character as UTF8? */
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FL_EXPORT int fl_utf8bytes(unsigned ucs);
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/* OD: returns the byte length of the first UTF-8 char sequence (returns -1 if not valid) */
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FL_EXPORT int fl_utf8len(char c);
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/* OD: returns the number of Unicode chars in the UTF-8 string */
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FL_EXPORT int fl_utf_nb_char(const unsigned char *buf, int len);
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/* F2: Convert the next UTF8 char-sequence into a Unicode value (and say how many bytes were used) */
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FL_EXPORT unsigned fl_utf8decode(const char* start, const char* end, int* len);
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/* F2: Encode a Unicode value into a UTF8 sequence, return the number of bytes used */
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FL_EXPORT int fl_utf8encode(unsigned ucs, char* buf);
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/* F2: Move forward to the next valid UTF8 sequence start betwen start and end */
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FL_EXPORT const char* fl_utf8fwd(const char* pos, const char* start, const char* end);
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/* F2: Move backward to the previous valid UTF8 sequence start */
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FL_EXPORT const char* fl_utf8back(const char* pos, const char* start, const char* end);
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/* F2: Convert a UTF8 string into UTF16 */
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FL_EXPORT unsigned fl_utf8toUtf16(const char* src, unsigned srclen, unsigned short* dst, unsigned dstlen);
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/* F2: Convert a UTF8 string into a wide character string - makes UTF16 on win32, "UCS4" elsewhere */
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FL_EXPORT unsigned fl_utf8towc(const char *src, unsigned srclen, wchar_t *dst, unsigned dstlen);
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/* F2: Convert a wide character string to UTF8 - takes in UTF16 on win32, "UCS4" elsewhere */
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FL_EXPORT unsigned fl_utf8fromwc(char *dst, unsigned dstlen, const wchar_t *src, unsigned srclen);
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/* F2: Convert a UTF8 string into ASCII, eliding untranslatable glyphs */
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FL_EXPORT unsigned fl_utf8toa (const char *src, unsigned srclen, char *dst, unsigned dstlen);
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/* OD: convert UTF-8 string to latin1 */
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//FL_EXPORT int fl_utf2latin1(const unsigned char *src, int srclen, char *dst);
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/* F2: Convert 8859-1 string to UTF8 */
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FL_EXPORT unsigned fl_utf8froma (char *dst, unsigned dstlen, const char *src, unsigned srclen);
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/* OD: convert latin1 str to UTF-8 */
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//FL_EXPORT int fl_latin12utf(const unsigned char *src, int srclen, char *dst);
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/* F2: Returns true if the current O/S locale is UTF8 */
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FL_EXPORT int fl_utf8locale();
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/* F2: Examine the first len characters of src, to determine if the input text is UTF8 or not
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* NOTE: The value returned is not simply boolean - it contains information about the probable
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* type of the src text. */
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FL_EXPORT int fl_utf8test(const char *src, unsigned len);
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/* OD: Return true if the character is non-spacing */
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FL_EXPORT unsigned int fl_nonspacing(unsigned int ucs);
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/* F2: Convert UTF8 to a local multi-byte encoding - mainly for win32? */
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FL_EXPORT unsigned fl_utf8to_mb(const char *src, unsigned srclen, char *dst, unsigned dstlen);
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/* OD: Convert UTF8 to a local multi-byte encoding */
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FL_EXPORT char* fl_utf2mbcs(const char *src);
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/* F2: Convert a local multi-byte encoding to UTF8 - mainly for win32? */
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FL_EXPORT unsigned fl_utf8from_mb(char *dst, unsigned dstlen, const char *src, unsigned srclen);
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/* OD: Convert a local multi-byte encoding to UTF8 */
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//FL_EXPORT char* fl_mbcs2utf(const char *src);
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/*****************************************************************************/
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#ifdef WIN32
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/* OD: Attempt to convert the UTF8 string to the current locale */
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FL_EXPORT char *fl_utf8_to_locale(const char *s, int len, unsigned int codepage);
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/* OD: Attempt to convert a string in the current locale to UTF8 */
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FL_EXPORT char *fl_locale_to_utf8(const char *s, int len, unsigned int codepage);
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#endif
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/*****************************************************************************/
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// The following functions are intended to provide portable, UTF8 aware
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// versions of standard functions
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/* OD: UTF8 aware strncasecmp - converts to lower case Unicode and tests */
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FL_EXPORT int fl_utf_strncasecmp(const char *s1, const char *s2, int n);
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/* OD: UTF8 aware strcasecmp - converts to Unicode and tests */
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FL_EXPORT int fl_utf_strcasecmp(const char *s1, const char *s2);
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/* OD: return the Unicode lower case value of ucs */
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FL_EXPORT int fl_tolower(unsigned int ucs);
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/* OD: return the Unicode upper case value of ucs */
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FL_EXPORT int fl_toupper(unsigned int ucs);
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/* OD: converts the UTF8 string to the lower case equivalent */
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FL_EXPORT int fl_utf_tolower(const unsigned char *str, int len, char *buf);
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/* OD: converts the UTF8 string to the upper case equivalent */
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FL_EXPORT int fl_utf_toupper(const unsigned char *str, int len, char *buf);
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/* OD: Portable UTF8 aware chmod wrapper */
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FL_EXPORT int fl_chmod(const char* f, int mode);
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/* OD: Portable UTF8 aware access wrapper */
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FL_EXPORT int fl_access(const char* f, int mode);
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/* OD: Portable UTF8 aware stat wrapper */
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FL_EXPORT int fl_stat( const char *path, struct stat *buffer );
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/* OD: Portable UTF8 aware getcwd wrapper */
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FL_EXPORT char* fl_getcwd( char *buf, int maxlen);
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/* OD: Portable UTF8 aware fopen wrapper */
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FL_EXPORT FILE *fl_fopen(const char *f, const char *mode);
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/* OD: Portable UTF8 aware system wrapper */
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FL_EXPORT int fl_system(const char* f);
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/* OD: Portable UTF8 aware execvp wrapper */
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FL_EXPORT int fl_execvp(const char *file, char *const *argv);
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/* OD: Portable UTF8 aware open wrapper */
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FL_EXPORT int fl_open(const char* f, int o, ...);
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/* OD: Portable UTF8 aware unlink wrapper */
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FL_EXPORT int fl_unlink(const char *f);
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/* OD: Portable UTF8 aware rmdir wrapper */
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FL_EXPORT int fl_rmdir(const char *f);
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/* OD: Portable UTF8 aware getenv wrapper */
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FL_EXPORT char* fl_getenv(const char *name);
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/* OD: Portable UTF8 aware execvp wrapper */
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FL_EXPORT int fl_mkdir(const char* f, int mode);
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/* OD: Portable UTF8 aware rename wrapper */
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FL_EXPORT int fl_rename(const char* f, const char *t);
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/* OD: Given a full pathname, this will create the directory path needed to hold the file named */
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FL_EXPORT void fl_make_path_for_file( const char *path );
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/* OD: recursively create a path in the file system */
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FL_EXPORT char fl_make_path( const char *path );
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/*****************************************************************************/
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif // _HAVE_FL_UTF8_HDR_
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//
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// End of "$Id: $".
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//
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