ICU-66108.tar.gz

[apple/icu.git] / icuSources / i18n / numparse_stringsegment.cpp

diff --git a/icuSources/i18n/numparse_stringsegment.cpp b/icuSources/i18n/numparse_stringsegment.cpp
deleted file mode 100644 (file)
index 3db4fe6..0000000
--- a/icuSources/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 */