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100 lines
2.6 KiB
100 lines
2.6 KiB
2 months ago
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/*
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* Character Set Conversion Library 1.2
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*
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* (c) 1998--2005 Martin Mares <mj@ucw.cz>
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* (c) 2007 Pavel Charvat <pchar@ucw.cz>
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*
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* This software may be freely distributed and used according to the terms
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* of the GNU Lesser General Public License.
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*/
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#ifndef _CHARSET_CHARCONV_H
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#define _CHARSET_CHARCONV_H
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#ifdef CONFIG_UCW_CLEAN_ABI
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#define charset_name ucw_charset_name
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#define conv_in_to_ucs ucw_conv_in_to_ucs
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#define conv_init ucw_conv_init
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#define conv_set_charset ucw_conv_set_charset
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#define conv_ucs_to_out ucw_conv_ucs_to_out
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#define conv_ucs_to_x ucw_conv_ucs_to_x
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#define conv_x_count ucw_conv_x_count
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#define conv_x_to_ucs ucw_conv_x_to_ucs
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#define find_charset_by_name ucw_find_charset_by_name
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#endif
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struct conv_context {
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/* Parameters supplied by the caller */
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const unsigned char *source; /* Current position in source buffer */
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const unsigned char *source_end; /* End of source buffer */
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unsigned char *dest; /* Current position in destination buffer */
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unsigned char *dest_start; /* First byte of destination buffer */
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unsigned char *dest_end; /* End of destination buffer */
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/* Internal variables */
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int (*convert)(struct conv_context *);
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int source_charset, dest_charset;
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unsigned short int *in_to_x;
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unsigned short int *x_to_out;
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uint state, code, remains;
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unsigned char *string_at;
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};
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void conv_init(struct conv_context *);
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void conv_set_charset(struct conv_context *, int, int);
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#define conv_run(c) ((c)->convert(c))
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#define CONV_SOURCE_END 1
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#define CONV_DEST_END 2
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#define CONV_SKIP 4
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enum charset_id {
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CONV_CHARSET_ASCII,
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CONV_CHARSET_ISO_8859_1,
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CONV_CHARSET_ISO_8859_2,
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CONV_CHARSET_ISO_8859_3,
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CONV_CHARSET_ISO_8859_4,
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CONV_CHARSET_ISO_8859_5,
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CONV_CHARSET_ISO_8859_6,
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CONV_CHARSET_ISO_8859_7,
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CONV_CHARSET_ISO_8859_8,
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CONV_CHARSET_ISO_8859_9,
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CONV_CHARSET_ISO_8859_10,
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CONV_CHARSET_ISO_8859_11,
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CONV_CHARSET_ISO_8859_13,
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CONV_CHARSET_ISO_8859_14,
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CONV_CHARSET_ISO_8859_15,
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CONV_CHARSET_ISO_8859_16,
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CONV_CHARSET_WIN1250,
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CONV_CHARSET_WIN1251,
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CONV_CHARSET_WIN1252,
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CONV_CHARSET_KAMCS,
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CONV_CHARSET_CSN369103,
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CONV_CHARSET_CP852,
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CONV_CHARSET_MACCE,
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CONV_CHARSET_CORK,
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CONV_CHARSET_UTF8,
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CONV_CHARSET_UTF16_BE,
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CONV_CHARSET_UTF16_LE,
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CONV_NUM_CHARSETS
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};
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/* Conversion of a single character between current non-UTF8 charset and Unicode */
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int conv_in_to_ucs(struct conv_context *c, uint y);
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int conv_ucs_to_out(struct conv_context *c, uint ucs);
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/* For those brave ones who want to mess with charconv internals */
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uint conv_x_to_ucs(uint x);
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uint conv_ucs_to_x(uint ucs);
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uint conv_x_count(void);
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/* Charset names */
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int find_charset_by_name(const char *);
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char *charset_name(int);
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#endif
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