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/*[ * Copyright 2018 Thomas Williams, Colin Kelley * * Permission to use, copy, and distribute this software and its * documentation for any purpose with or without fee is hereby granted, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. * * Permission to modify the software is granted, but not the right to * distribute the complete modified source code. Modifications are to * be distributed as patches to the released version. Permission to * distribute binaries produced by compiling modified sources is granted, * provided you * 1. distribute the corresponding source modifications from the * released version in the form of a patch file along with the binaries, * 2. add special version identification to distinguish your version * in addition to the base release version number, * 3. provide your name and address as the primary contact for the * support of your modified version, and * 4. retain our contact information in regard to use of the base * software. * Permission to distribute the released version of the source code along * with corresponding source modifications in the form of a patch file is * granted with same provisions 2 through 4 for binary distributions. * * This software is provided "as is" without express or implied warranty * to the extent permitted by applicable law. ]*/ #ifndef GNUPLOT_ENCODING_H #define GNUPLOT_ENCODING_H #include "term_api.h" void init_encoding(void); enum set_encoding_id encoding_from_locale(void); void init_special_chars(void); const char * iconv_encoding_name(enum set_encoding_id encoding); const char * latex_input_encoding(enum set_encoding_id encoding); TBOOLEAN contains8bit(const char *s); TBOOLEAN utf8toulong(unsigned long * wch, const char ** str); int ucs4toutf8(uint32_t codepoint, unsigned char *utf8char); size_t strlen_utf8(const char *s); void truncate_to_one_utf8_char(char *orig); TBOOLEAN is_sjis_lead_byte(char c); size_t strlen_sjis(const char *s); #define advance_one_utf8_char(utf8str) \ do { \ if ((*utf8str & 0x80) == 0x00) \ utf8str += 1; \ else if ((*utf8str & 0xe0) == 0xc0) \ utf8str += 2; \ else if ((*utf8str & 0xf0) == 0xe0) \ utf8str += 3; \ else if ((*utf8str & 0xf8) == 0xf0) \ utf8str += 4; \ else /* invalid utf8 sequence */ \ utf8str += 1; \ } while (0) #endif