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ICU: Update to version 70.1

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This commit is contained in:
bruvzg 2021-10-28 09:15:28 +03:00
parent 157cba3933
commit 44a241b241
173 changed files with 10272 additions and 8071 deletions
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64
thirdparty/icu4c/common/util.cpp vendored
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@ -65,38 +65,52 @@ UnicodeString& ICU_Utility::appendNumber(UnicodeString& result, int32_t n,
return result;
}
/**
* Return true if the character is NOT printable ASCII.
*/
UBool ICU_Utility::isUnprintable(UChar32 c) {
return !(c >= 0x20 && c <= 0x7E);
}
/**
* Escape unprintable characters using \uxxxx notation for U+0000 to
* U+FFFF and \Uxxxxxxxx for U+10000 and above. If the character is
* printable ASCII, then do nothing and return FALSE. Otherwise,
* append the escaped notation and return TRUE.
*/
UBool ICU_Utility::shouldAlwaysBeEscaped(UChar32 c) {
if (c < 0x20) {
return true; // C0 control codes
} else if (c <= 0x7e) {
return false; // printable ASCII
} else if (c <= 0x9f) {
return true; // C1 control codes
} else if (c < 0xd800) {
return false; // most of the BMP
} else if (c <= 0xdfff || (0xfdd0 <= c && c <= 0xfdef) || (c & 0xfffe) == 0xfffe) {
return true; // surrogate or noncharacter code points
} else if (c <= 0x10ffff) {
return false; // all else
} else {
return true; // not a code point
}
}
UBool ICU_Utility::escapeUnprintable(UnicodeString& result, UChar32 c) {
if (isUnprintable(c)) {
result.append(BACKSLASH);
if (c & ~0xFFFF) {
result.append(UPPER_U);
result.append(DIGITS[0xF&(c>>28)]);
result.append(DIGITS[0xF&(c>>24)]);
result.append(DIGITS[0xF&(c>>20)]);
result.append(DIGITS[0xF&(c>>16)]);
} else {
result.append(LOWER_U);
}
result.append(DIGITS[0xF&(c>>12)]);
result.append(DIGITS[0xF&(c>>8)]);
result.append(DIGITS[0xF&(c>>4)]);
result.append(DIGITS[0xF&c]);
return TRUE;
escape(result, c);
return true;
}
return FALSE;
return false;
}
UnicodeString &ICU_Utility::escape(UnicodeString& result, UChar32 c) {
result.append(BACKSLASH);
if (c & ~0xFFFF) {
result.append(UPPER_U);
result.append(DIGITS[0xF&(c>>28)]);
result.append(DIGITS[0xF&(c>>24)]);
result.append(DIGITS[0xF&(c>>20)]);
result.append(DIGITS[0xF&(c>>16)]);
} else {
result.append(LOWER_U);
}
result.append(DIGITS[0xF&(c>>12)]);
result.append(DIGITS[0xF&(c>>8)]);
result.append(DIGITS[0xF&(c>>4)]);
result.append(DIGITS[0xF&c]);
return result;
}
/**