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AK: Use UnicodeUtils::code_point_to_utf8 in StringBuilder

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Daniel Bertalan 2021-10-11 07:08:08 +02:00 • committed by Brian Gianforcaro
parent c8367df746
commit fccb06b2cd
1 changed files with 3 additions and 15 deletions
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18
AK/StringBuilder.cpp
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@ -12,6 +12,7 @@
#include <AK/String.h> #include <AK/String.h>
#include <AK/StringBuilder.h> #include <AK/StringBuilder.h>
#include <AK/StringView.h> #include <AK/StringView.h>
#include <AK/UnicodeUtils.h>
#include <AK/Utf16View.h> #include <AK/Utf16View.h>
#include <AK/Utf32View.h> #include <AK/Utf32View.h>
@ -97,21 +98,8 @@ void StringBuilder::clear()
void StringBuilder::append_code_point(u32 code_point) void StringBuilder::append_code_point(u32 code_point)
{ {
if (code_point <= 0x7f) { auto nwritten = AK::UnicodeUtils::code_point_to_utf8(code_point, [this](char c) { append(c); });
append((char)code_point); if (nwritten < 0) {
} else if (code_point <= 0x07ff) {
append((char)(((code_point >> 6) & 0x1f) | 0xc0));
append((char)(((code_point >> 0) & 0x3f) | 0x80));
} else if (code_point <= 0xffff) {
append((char)(((code_point >> 12) & 0x0f) | 0xe0));
append((char)(((code_point >> 6) & 0x3f) | 0x80));
append((char)(((code_point >> 0) & 0x3f) | 0x80));
} else if (code_point <= 0x10ffff) {
append((char)(((code_point >> 18) & 0x07) | 0xf0));
append((char)(((code_point >> 12) & 0x3f) | 0x80));
append((char)(((code_point >> 6) & 0x3f) | 0x80));
append((char)(((code_point >> 0) & 0x3f) | 0x80));
} else {
append(0xef); append(0xef);
append(0xbf); append(0xbf);
append(0xbd); append(0xbd);