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27 lines
772 B
C
27 lines
772 B
C
/*
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* Encode a single code point as UTF-8.
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*/
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#include "defs.h"
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#include "misc.h"
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void BinarySink_put_utf8_char(BinarySink *output, unsigned ch)
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{
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if (ch < 0x80) {
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put_byte(output, ch);
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} else if (ch < 0x800) {
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put_byte(output, 0xC0 | (ch >> 6));
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put_byte(output, 0x80 | (ch & 0x3F));
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} else if (ch < 0x10000) {
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put_byte(output, 0xE0 | (ch >> 12));
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put_byte(output, 0x80 | ((ch >> 6) & 0x3F));
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put_byte(output, 0x80 | (ch & 0x3F));
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} else {
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assert(ch <= 0x10FFFF);
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put_byte(output, 0xF0 | (ch >> 18));
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put_byte(output, 0x80 | ((ch >> 12) & 0x3F));
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put_byte(output, 0x80 | ((ch >> 6) & 0x3F));
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put_byte(output, 0x80 | (ch & 0x3F));
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}
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}
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