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Remove unecessary unicode collation algorithm shims

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This commit is contained in:
Lance Parker
2018-02-14 12:06:39 -08:00
parent 49bc1459ae
commit db2de58dd6
2 changed files with 0 additions and 91 deletions
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70
stdlib/public/stubs/UnicodeNormalization.cpp
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@@ -155,76 +155,6 @@ private:
ASCIICollation(const ASCIICollation &) = delete;
};
/// Compares the strings via the Unicode Collation Algorithm on the root locale.
/// Results are the usual string comparison results:
/// <0 the left string is less than the right string.
/// ==0 the strings are equal according to their collation.
/// >0 the left string is greater than the right string.
int32_t
swift::_swift_stdlib_unicode_compare_utf16_utf16(const uint16_t *LeftString,
int32_t LeftLength,
const uint16_t *RightString,
int32_t RightLength) {
// ICU UChar type is platform dependent. In Cygwin, it is defined
// as wchar_t which size is 2. It seems that the underlying binary
// representation is same with swift utf16 representation.
// On Clang 4.0 under a recent Linux, ICU uses the built-in char16_t type.
return ucol_strcoll(GetRootCollator(),
reinterpret_cast<const UChar *>(LeftString), LeftLength,
reinterpret_cast<const UChar *>(RightString), RightLength);
}
/// Compares the strings via the Unicode Collation Algorithm on the root locale.
/// Results are the usual string comparison results:
/// <0 the left string is less than the right string.
/// ==0 the strings are equal according to their collation.
/// >0 the left string is greater than the right string.
int32_t
swift::_swift_stdlib_unicode_compare_utf8_utf16(const unsigned char *LeftString,
int32_t LeftLength,
const uint16_t *RightString,
int32_t RightLength) {
UCharIterator LeftIterator;
UCharIterator RightIterator;
UErrorCode ErrorCode = U_ZERO_ERROR;
uiter_setUTF8(&LeftIterator, reinterpret_cast<const char *>(LeftString), LeftLength);
uiter_setString(&RightIterator, reinterpret_cast<const UChar *>(RightString),
RightLength);
uint32_t Diff = ucol_strcollIter(GetRootCollator(),
&LeftIterator, &RightIterator, &ErrorCode);
if (U_FAILURE(ErrorCode)) {
swift::crash("ucol_strcollIter: Unexpected error doing utf8<->utf16 string comparison.");
}
return Diff;
}
/// Compares the strings via the Unicode Collation Algorithm on the root locale.
/// Results are the usual string comparison results:
/// <0 the left string is less than the right string.
/// ==0 the strings are equal according to their collation.
/// >0 the left string is greater than the right string.
int32_t
swift::_swift_stdlib_unicode_compare_utf8_utf8(const unsigned char *LeftString,
int32_t LeftLength,
const unsigned char *RightString,
int32_t RightLength) {
UCharIterator LeftIterator;
UCharIterator RightIterator;
UErrorCode ErrorCode = U_ZERO_ERROR;
uiter_setUTF8(&LeftIterator, reinterpret_cast<const char *>(LeftString), LeftLength);
uiter_setUTF8(&RightIterator, reinterpret_cast<const char *>(RightString), RightLength);
uint32_t Diff = ucol_strcollIter(GetRootCollator(),
&LeftIterator, &RightIterator, &ErrorCode);
if (U_FAILURE(ErrorCode)) {
swift::crash("ucol_strcollIter: Unexpected error doing utf8<->utf8 string comparison.");
}
return Diff;
}
void *swift::_swift_stdlib_unicodeCollationIterator_create(
const __swift_uint16_t *Str, __swift_uint32_t Length) {
UErrorCode ErrorCode = U_ZERO_ERROR;