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ConvertUTF8ToJavaModifiedUTF8: Comment cleanup

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Henrik Rydgård committed 2025-05-28 12:51:18 +02:00
1 parent f14a38db52
commit 0c55bfcb70
1 file changed
+2 -2
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Common/Data/Encoding/Utf8.cpp
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@@ -312,7 +312,7 @@ size_t encode_utf8_modified(uint32_t code_point, unsigned char* output) {
// A function to convert regular UTF-8 to Java Modified UTF-8. Only used on Android.
// Written by ChatGPT and corrected and modified.
void ConvertUTF8ToJavaModifiedUTF8(std::string *output, std::string_view input) {
output->resize(input.size() * 6); // worst case: every character is encoded as 6 bytes
output->resize(input.length() * 6); // worst case: every character is encoded as 6 bytes. shouldn't happen, though.
size_t out_idx = 0;
for (size_t i = 0; i < input.length(); ) {
unsigned char c = input[i];
@@ -332,7 +332,7 @@ void ConvertUTF8ToJavaModifiedUTF8(std::string *output, std::string_view input)
uint16_t high_surrogate = ((code_point - 0x10000) / 0x400) + 0xD800;
uint16_t low_surrogate = ((code_point - 0x10000) % 0x400) + 0xDC00;
// Encode the surrogates in UTF-8
// Encode the surrogates in UTF-8. encode_utf8_modified outputs at most 3 bytes.
out_idx += encode_utf8_modified(high_surrogate, (unsigned char *)(output->data() + out_idx));
out_idx += encode_utf8_modified(low_surrogate, (unsigned char *)(output->data() + out_idx));