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git-svn-id: http://svn.irssi.org/repos/irssi/trunk@4534 dbcabf3a-b0e7-0310-adc4-f8d773084564
38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
#ifndef __UTF8_H
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#define __UTF8_H
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/* Returns -2 = invalid, -1 = need more data, otherwise unichar. */
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int get_utf8_char(const unsigned char **ptr, int len, unichar *chr_r);
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/* Returns length of UTF8 string */
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int strlen_utf8(const char *str);
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/* UTF-8 -> unichar string. The NUL is copied as well. */
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void utf8_to_utf16(const char *str, unichar *out);
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/* unichar -> UTF-8 string. outbuf must be at least 6 chars long.
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Returns outbuf string length. */
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int utf16_char_to_utf8(unichar c, char *outbuf);
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/* unichar -> UTF-8 string. The NUL is copied as well.
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Make sure out is at least 6 x length of str. */
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void utf16_to_utf8(const unichar *str, char *out);
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/* unichar -> UTF-8 string with position transformed. The NUL is copied as well.
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Make sure out is at least 6 x length of str. */
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void utf16_to_utf8_with_pos(const unichar *str, int spos, char *out, int *opos);
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/* XXX I didn't check the encoding range of big5+. This is standard big5. */
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#define is_big5_los(lo) (0x40 <= (lo) && (lo) <= 0x7E) /* standard */
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#define is_big5_lox(lo) (0x80 <= (lo) && (lo) <= 0xFE) /* extended */
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#define is_big5_lo(lo) ((is_big5_los(lo) || is_big5_lox(lo)))
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#define is_big5_hi(hi) (0x81 <= (hi) && (hi) <= 0xFE)
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#define is_big5(hi,lo) (is_big5_hi(hi) && is_big5_lo(lo))
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/* Returns width for character (0-2). */
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int mk_wcwidth(unichar c);
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#define unichar_isprint(c) (((c) & ~0x80) >= 32)
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#endif
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