diff options
Diffstat (limited to 'deps/node/deps/icu-small/source/i18n/numparse_stringsegment.cpp')
-rw-r--r-- | deps/node/deps/icu-small/source/i18n/numparse_stringsegment.cpp | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/deps/node/deps/icu-small/source/i18n/numparse_stringsegment.cpp b/deps/node/deps/icu-small/source/i18n/numparse_stringsegment.cpp deleted file mode 100644 index 3db4fe61..00000000 --- a/deps/node/deps/icu-small/source/i18n/numparse_stringsegment.cpp +++ /dev/null @@ -1,146 +0,0 @@ -// © 2018 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html - -#include "unicode/utypes.h" - -#if !UCONFIG_NO_FORMATTING - -// Allow implicit conversion from char16_t* to UnicodeString for this file: -// Helpful in toString methods and elsewhere. -#define UNISTR_FROM_STRING_EXPLICIT - -#include "numparse_types.h" -#include "numparse_stringsegment.h" -#include "putilimp.h" -#include "unicode/utf16.h" -#include "unicode/uniset.h" - -using namespace icu; -using namespace icu::numparse; -using namespace icu::numparse::impl; - - -StringSegment::StringSegment(const UnicodeString& str, bool ignoreCase) - : fStr(str), fStart(0), fEnd(str.length()), - fFoldCase(ignoreCase) {} - -int32_t StringSegment::getOffset() const { - return fStart; -} - -void StringSegment::setOffset(int32_t start) { - fStart = start; -} - -void StringSegment::adjustOffset(int32_t delta) { - fStart += delta; -} - -void StringSegment::adjustOffsetByCodePoint() { - fStart += U16_LENGTH(getCodePoint()); -} - -void StringSegment::setLength(int32_t length) { - fEnd = fStart + length; -} - -void StringSegment::resetLength() { - fEnd = fStr.length(); -} - -int32_t StringSegment::length() const { - return fEnd - fStart; -} - -char16_t StringSegment::charAt(int32_t index) const { - return fStr.charAt(index + fStart); -} - -UChar32 StringSegment::codePointAt(int32_t index) const { - return fStr.char32At(index + fStart); -} - -UnicodeString StringSegment::toUnicodeString() const { - return UnicodeString(fStr.getBuffer() + fStart, fEnd - fStart); -} - -const UnicodeString StringSegment::toTempUnicodeString() const { - // Use the readonly-aliasing constructor for efficiency. - return UnicodeString(FALSE, fStr.getBuffer() + fStart, fEnd - fStart); -} - -UChar32 StringSegment::getCodePoint() const { - char16_t lead = fStr.charAt(fStart); - if (U16_IS_LEAD(lead) && fStart + 1 < fEnd) { - return fStr.char32At(fStart); - } else if (U16_IS_SURROGATE(lead)) { - return -1; - } else { - return lead; - } -} - -bool StringSegment::startsWith(UChar32 otherCp) const { - return codePointsEqual(getCodePoint(), otherCp, fFoldCase); -} - -bool StringSegment::startsWith(const UnicodeSet& uniset) const { - // TODO: Move UnicodeSet case-folding logic here. - // TODO: Handle string matches here instead of separately. - UChar32 cp = getCodePoint(); - if (cp == -1) { - return false; - } - return uniset.contains(cp); -} - -bool StringSegment::startsWith(const UnicodeString& other) const { - if (other.isBogus() || other.length() == 0 || length() == 0) { - return false; - } - int cp1 = getCodePoint(); - int cp2 = other.char32At(0); - return codePointsEqual(cp1, cp2, fFoldCase); -} - -int32_t StringSegment::getCommonPrefixLength(const UnicodeString& other) { - return getPrefixLengthInternal(other, fFoldCase); -} - -int32_t StringSegment::getCaseSensitivePrefixLength(const UnicodeString& other) { - return getPrefixLengthInternal(other, false); -} - -int32_t StringSegment::getPrefixLengthInternal(const UnicodeString& other, bool foldCase) { - U_ASSERT(other.length() > 0); - int32_t offset = 0; - for (; offset < uprv_min(length(), other.length());) { - // TODO: case-fold code points, not chars - char16_t c1 = charAt(offset); - char16_t c2 = other.charAt(offset); - if (!codePointsEqual(c1, c2, foldCase)) { - break; - } - offset++; - } - return offset; -} - -bool StringSegment::codePointsEqual(UChar32 cp1, UChar32 cp2, bool foldCase) { - if (cp1 == cp2) { - return true; - } - if (!foldCase) { - return false; - } - cp1 = u_foldCase(cp1, TRUE); - cp2 = u_foldCase(cp2, TRUE); - return cp1 == cp2; -} - -bool StringSegment::operator==(const UnicodeString& other) const { - return toTempUnicodeString() == other; -} - - -#endif /* #if !UCONFIG_NO_FORMATTING */ |