#ifndef EL__INTL_CHARSETS_H #define EL__INTL_CHARSETS_H typedef uint32_t unicode_val_T; /* UCS/Unicode replacement character. */ #define UCS_NO_CHAR ((unicode_val_T) 0xFFFD) /*   replacement character. See u2cp(). */ #define NBSP_CHAR ((unsigned char) 1) #define NBSP_CHAR_STRING "\001" struct conv_table { int t; union { unsigned char *str; struct conv_table *tbl; } u; }; enum convert_string_mode { CSM_DEFAULT, /* Convert any char. */ CSM_QUERY, /* Special handling of '&' and '=' chars. */ CSM_FORM, /* Special handling of '&' and '=' chars in forms. */ CSM_NONE, /* Convert nothing. */ }; struct conv_table *get_translation_table(int, int); unsigned char *get_entity_string(const unsigned char *str, const int strlen, int encoding); /* The convert_string() name is also used by Samba (version 3.0.3), which * provides libnss_wins.so.2, which is called somewhere inside * _nss_wins_gethostbyname_r(). This name clash causes the elinks hostname * lookup thread to crash so we need to rename the symbol. */ /* Reported by Derek Poon and filed as bug 453 */ #undef convert_string #define convert_string convert_string_elinks /* This routine converts a string from one charset to another according to the * passed @convert_table, potentially also decoding SGML (HTML) entities along * the way (according to @mode). It either returns dynamically allocated * converted string of length @length, or if the @callback is non-NULL it calls * it each few bytes instead and always returns NULL (@length is undefined). * Note that it's ok not to care and pass NULL as @length. */ unsigned char *convert_string(struct conv_table *convert_table, unsigned char *chars, int charslen, int cp, enum convert_string_mode mode, int *length, void (*callback)(void *data, unsigned char *buf, int buflen), void *callback_data); int get_cp_index(unsigned char *); unsigned char *get_cp_name(int); unsigned char *get_cp_mime_name(int); int is_cp_special(int); void free_conv_table(void); #ifdef CONFIG_UTF_8 inline unsigned char *encode_utf_8(unicode_val_T); inline int utf8charlen(const unsigned char *); int utf8_char2cells(unsigned char *, unsigned char *); int utf8_ptr2cells(unsigned char *, unsigned char *); int utf8_ptr2chars(unsigned char *, unsigned char *); int utf8_cells2bytes(unsigned char *, int, unsigned char *); inline int unicode_to_cell(unicode_val_T); inline int strlen_utf8(unsigned char **); inline unicode_val_T utf_8_to_unicode(unsigned char **, unsigned char *); #endif /* CONFIG_UTF_8 */ unsigned char *cp2utf_8(int, int); unsigned char *u2cp_(unicode_val_T, int, int no_nbsp_hack); #define u2cp(u, to) u2cp_(u, to, 0) #define u2cp_no_nbsp(u, to) u2cp_(u, to, 1) void init_charsets_lookup(void); void free_charsets_lookup(void); #endif