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feat(unicode): add SUniSPutUTF8

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This commit is contained in:
fallenoak 2020-11-22 00:24:32 -06:00
parent 4bef36fcae
commit 9e00ad7036
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GPG key ID: 7628F8E61AEA070D
3 changed files with 85 additions and 0 deletions
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54
storm/Unicode.cpp
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@ -57,3 +57,57 @@ uint32_t SUniSGetUTF8(const uint8_t* strptr, int32_t* chars) {
return value;
}
void SUniSPutUTF8(uint32_t c, char* strptr) {
if (!strptr) {
return;
}
auto curstr = strptr;
auto v3 = c;
char v4, v5, v6, v7;
if (c >= 0x80) {
if (c >= 0x800) {
if (c >= 0x10000) {
if (c >= 0x200000) {
if (c >= 0x400000) {
if (c >= 0x80000000) {
*curstr = 0;
return;
}
*strptr = (c >> 30) | 0xFC;
curstr = strptr + 1;
// TODO this seems likely to be bitwise right shift 24, not 8
v7 = ((c >> 8) & 0x3F) | 0x80;
} else {
// TODO this seems likely to be bitwise right shift 24, not 8
v7 = (c >> 8) | 0xF8;
}
*curstr++ = v7;
v6 = ((c >> 18) & 0x3F) | 0x80;
} else {
v6 = (c >> 18) | 0xF0;
}
*curstr++ = v6;
v5 = ((c >> 12) & 0x3F) | 0x80;
} else {
v5 = (c >> 12) | 0xE0;
}
*curstr++ = v5;
v4 = ((c >> 6) & 0x3F) | 0x80;
} else {
v4 = (c >> 6) | 0xC0;
}
*curstr++ = v4;
v3 = (c & 0x3F) | 0x80;
}
*curstr++ = v3;
*curstr = '\0';
}

2
storm/Unicode.hpp
View file

@ -5,4 +5,6 @@
uint32_t SUniSGetUTF8(const uint8_t* strptr, int32_t* chars);
void SUniSPutUTF8(uint32_t c, char* strptr);
#endif