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initial import of the C runtime
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67
src/runtime/c/gu/utf8.h
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67
src/runtime/c/gu/utf8.h
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#ifndef GU_UTF8_H_
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#define GU_UTF8_H_
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#include <gu/in.h>
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#include <gu/out.h>
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#include <gu/ucs.h>
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inline GuUCS
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gu_in_utf8(GuIn* in, GuExn* err)
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{
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int i = gu_in_peek_u8(in);
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if (i >= 0 && i < 0x80) {
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gu_in_consume(in, 1);
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return (GuUCS) i;
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}
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extern GuUCS gu_in_utf8_(GuIn* in, GuExn* err);
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return gu_in_utf8_(in, err);
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}
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inline char
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gu_in_utf8_char(GuIn* in, GuExn* err)
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{
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#ifdef GU_CHAR_ASCII
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int i = gu_in_peek_u8(in);
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if (i >= 0 && i < 0x80) {
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gu_in_consume(in, 1);
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return (char) i;
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}
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#endif
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extern char gu_in_utf8_char_(GuIn* in, GuExn* err);
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return gu_in_utf8_char_(in, err);
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}
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void
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gu_out_utf8_long_(GuUCS ucs, GuOut* out, GuExn* err);
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inline void
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gu_out_utf8(GuUCS ucs, GuOut* out, GuExn* err)
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{
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gu_require(gu_ucs_valid(ucs));
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if (GU_LIKELY(ucs < 0x80)) {
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gu_out_u8(out, ucs, err);
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} else {
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gu_out_utf8_long_(ucs, out, err);
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}
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}
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size_t
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gu_utf32_out_utf8(const GuUCS* src, size_t len, GuOut* out, GuExn* err);
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GuUCS
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gu_utf8_decode(const uint8_t** utf8);
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inline void
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gu_str_out_utf8(const char* str, GuOut* out, GuExn* err)
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{
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#ifdef GU_CHAR_ASCII
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gu_out_bytes(out, (const uint8_t*) str, strlen(str), err);
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#else
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extern void
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gu_str_out_utf8_(const char* str, GuOut* out, GuExn* err);
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gu_str_out_utf8_(str, out, err);
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#endif
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}
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#endif // GU_UTF8_H_
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