YQL-13794 remove most of boost & ICU dependency

ref:eae1a1c30940ed737c886518182fd97bd872667d

1 files changed, 0 insertions, 808 deletions

diff --git a/contrib/libs/icu/i18n/listformatter.cpp b/contrib/libs/icu/i18n/listformatter.cpp
deleted file mode 100644
index da99c9291d..0000000000
--- a/contrib/libs/icu/i18n/listformatter.cpp
+++ /dev/null
@@ -1,808 +0,0 @@
-// © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-/*
-*******************************************************************************
-*
-*   Copyright (C) 2013-2016, International Business Machines
-*   Corporation and others.  All Rights Reserved.
-*
-*******************************************************************************
-*   file name:  listformatter.cpp
-*   encoding:   UTF-8
-*   tab size:   8 (not used)
-*   indentation:4
-*
-*   created on: 2012aug27
-*   created by: Umesh P. Nair
-*/
-
-#include "cmemory.h"
-#include "unicode/fpositer.h"  // FieldPositionIterator
-#include "unicode/listformatter.h"
-#include "unicode/simpleformatter.h"
-#include "unicode/ulistformatter.h"
-#include "unicode/uscript.h"
-#include "fphdlimp.h"
-#include "mutex.h"
-#include "hash.h"
-#include "cstring.h"
-#include "uarrsort.h"
-#include "ulocimp.h"
-#include "charstr.h"
-#include "ucln_in.h"
-#include "uresimp.h"
-#include "resource.h"
-#include "formattedval_impl.h"
-
-U_NAMESPACE_BEGIN
-
-namespace {
-
-class PatternHandler : public UObject {
-public:
-    PatternHandler(const UnicodeString& two, const UnicodeString& end, UErrorCode& errorCode) :
-        twoPattern(two, 2, 2, errorCode),
-        endPattern(end, 2, 2, errorCode) {  }
-
-    PatternHandler(const SimpleFormatter& two, const SimpleFormatter& end) :
-        twoPattern(two),
-        endPattern(end) { }
-
-    virtual ~PatternHandler();
-
-    virtual PatternHandler* clone() const { return new PatternHandler(twoPattern, endPattern); }
-
-    virtual const SimpleFormatter& getTwoPattern(const UnicodeString&) const {
-        return twoPattern;
-    }
-
-    virtual const SimpleFormatter& getEndPattern(const UnicodeString&) const {
-        return endPattern;
-    }
-
-protected:
-    SimpleFormatter twoPattern;
-    SimpleFormatter endPattern;
-};
-
-PatternHandler::~PatternHandler() {
-}
-
-class ContextualHandler : public PatternHandler {
-public:
-    ContextualHandler(bool (*testFunc)(const UnicodeString& text),
-                      const UnicodeString& thenTwo,
-                      const UnicodeString& elseTwo,
-                      const UnicodeString& thenEnd,
-                      const UnicodeString& elseEnd,
-                      UErrorCode& errorCode) :
-        PatternHandler(elseTwo, elseEnd, errorCode),
-        test(testFunc),
-        thenTwoPattern(thenTwo, 2, 2, errorCode),
-        thenEndPattern(thenEnd, 2, 2, errorCode) {  }
-
-    ContextualHandler(bool (*testFunc)(const UnicodeString& text),
-                      const SimpleFormatter& thenTwo, SimpleFormatter elseTwo,
-                      const SimpleFormatter& thenEnd, SimpleFormatter elseEnd) :
-      PatternHandler(elseTwo, elseEnd),
-      test(testFunc),
-      thenTwoPattern(thenTwo),
-      thenEndPattern(thenEnd) { }
-
-    ~ContextualHandler() override;
-
-    PatternHandler* clone() const override {
-        return new ContextualHandler(
-            test, thenTwoPattern, twoPattern, thenEndPattern, endPattern);
-    }
-
-    const SimpleFormatter& getTwoPattern(
-        const UnicodeString& text) const override {
-        return (test)(text) ? thenTwoPattern : twoPattern;
-    }
-
-    const SimpleFormatter& getEndPattern(
-        const UnicodeString& text) const override {
-        return (test)(text) ? thenEndPattern : endPattern;
-    }
-
-private:
-    bool (*test)(const UnicodeString&);
-    SimpleFormatter thenTwoPattern;
-    SimpleFormatter thenEndPattern;
-};
-
-ContextualHandler::~ContextualHandler() {
-}
-
-static const char16_t *spanishY = u"{0} y {1}";
-static const char16_t *spanishE = u"{0} e {1}";
-static const char16_t *spanishO = u"{0} o {1}";
-static const char16_t *spanishU = u"{0} u {1}";
-static const char16_t *hebrewVav = u"{0} \u05D5{1}";
-static const char16_t *hebrewVavDash = u"{0} \u05D5-{1}";
-
-// Condiction to change to e.
-// Starts with "hi" or "i" but not with "hie" nor "hia"
-static bool shouldChangeToE(const UnicodeString& text) {
-    int32_t len = text.length();
-    if (len == 0) { return false; }
-    // Case insensitive match hi but not hie nor hia.
-    if ((text[0] == u'h' || text[0] == u'H') &&
-            ((len > 1) && (text[1] == u'i' || text[1] == u'I')) &&
-            ((len == 2) || !(text[2] == u'a' || text[2] == u'A' || text[2] == u'e' || text[2] == u'E'))) {
-        return true;
-    }
-    // Case insensitive for "start with i"
-    if (text[0] == u'i' || text[0] == u'I') { return true; }
-    return false;
-}
-
-// Condiction to change to u.
-// Starts with "o", "ho", and "8". Also "11" by itself.
-// re: ^((o|ho|8).*|11)$
-static bool shouldChangeToU(const UnicodeString& text) {
-    int32_t len = text.length();
-    if (len == 0) { return false; }
-    // Case insensitive match o.* and 8.*
-    if (text[0] == u'o' || text[0] == u'O' || text[0] == u'8') { return true; }
-    // Case insensitive match ho.*
-    if ((text[0] == u'h' || text[0] == u'H') &&
-            ((len > 1) && (text[1] == 'o' || text[1] == u'O'))) {
-        return true;
-    }
-    // match "^11$" and "^11 .*"
-    if ((len >= 2) && text[0] == u'1' && text[1] == u'1' && (len == 2 || text[2] == u' ')) { return true; }
-    return false;
-}
-
-// Condiction to change to VAV follow by a dash.
-// Starts with non Hebrew letter.
-static bool shouldChangeToVavDash(const UnicodeString& text) {
-    if (text.isEmpty()) { return false; }
-    UErrorCode status = U_ZERO_ERROR;
-    return uscript_getScript(text.char32At(0), &status) != USCRIPT_HEBREW;
-}
-
-PatternHandler* createPatternHandler(
-        const char* lang, const UnicodeString& two, const UnicodeString& end,
-    UErrorCode& status) {
-    if (uprv_strcmp(lang, "es") == 0) {
-        // Spanish
-        UnicodeString spanishYStr(TRUE, spanishY, -1);
-        bool twoIsY = two == spanishYStr;
-        bool endIsY = end == spanishYStr;
-        if (twoIsY || endIsY) {
-            UnicodeString replacement(TRUE, spanishE, -1);
-            return new ContextualHandler(
-                shouldChangeToE,
-                twoIsY ? replacement : two, two,
-                endIsY ? replacement : end, end, status);
-        }
-        UnicodeString spanishOStr(TRUE, spanishO, -1);
-        bool twoIsO = two == spanishOStr;
-        bool endIsO = end == spanishOStr;
-        if (twoIsO || endIsO) {
-            UnicodeString replacement(TRUE, spanishU, -1);
-            return new ContextualHandler(
-                shouldChangeToU,
-                twoIsO ? replacement : two, two,
-                endIsO ? replacement : end, end, status);
-        }
-    } else if (uprv_strcmp(lang, "he") == 0 || uprv_strcmp(lang, "iw") == 0) {
-        // Hebrew
-        UnicodeString hebrewVavStr(TRUE, hebrewVav, -1);
-        bool twoIsVav = two == hebrewVavStr;
-        bool endIsVav = end == hebrewVavStr;
-        if (twoIsVav || endIsVav) {
-            UnicodeString replacement(TRUE, hebrewVavDash, -1);
-            return new ContextualHandler(
-                shouldChangeToVavDash,
-                twoIsVav ? replacement : two, two,
-                endIsVav ? replacement : end, end, status);
-        }
-    }
-    return new PatternHandler(two, end, status);
-}
-
-}  // namespace
-
-struct ListFormatInternal : public UMemory {
-    SimpleFormatter startPattern;
-    SimpleFormatter middlePattern;
-    LocalPointer<PatternHandler> patternHandler;
-
-ListFormatInternal(
-        const UnicodeString& two,
-        const UnicodeString& start,
-        const UnicodeString& middle,
-        const UnicodeString& end,
-        const Locale& locale,
-        UErrorCode &errorCode) :
-        startPattern(start, 2, 2, errorCode),
-        middlePattern(middle, 2, 2, errorCode),
-        patternHandler(createPatternHandler(locale.getLanguage(), two, end, errorCode), errorCode) { }
-
-ListFormatInternal(const ListFormatData &data, UErrorCode &errorCode) :
-        startPattern(data.startPattern, errorCode),
-        middlePattern(data.middlePattern, errorCode),
-        patternHandler(createPatternHandler(
-            data.locale.getLanguage(), data.twoPattern, data.endPattern, errorCode), errorCode) { }
-
-ListFormatInternal(const ListFormatInternal &other) :
-    startPattern(other.startPattern),
-    middlePattern(other.middlePattern),
-    patternHandler(other.patternHandler->clone()) { }
-};
-
-
-#if !UCONFIG_NO_FORMATTING
-class FormattedListData : public FormattedValueFieldPositionIteratorImpl {
-public:
-    FormattedListData(UErrorCode& status) : FormattedValueFieldPositionIteratorImpl(5, status) {}
-    virtual ~FormattedListData();
-};
-
-FormattedListData::~FormattedListData() = default;
-
-UPRV_FORMATTED_VALUE_SUBCLASS_AUTO_IMPL(FormattedList)
-#endif
-
-
-static Hashtable* listPatternHash = nullptr;
-
-U_CDECL_BEGIN
-static UBool U_CALLCONV uprv_listformatter_cleanup() {
-    delete listPatternHash;
-    listPatternHash = nullptr;
-    return TRUE;
-}
-
-static void U_CALLCONV
-uprv_deleteListFormatInternal(void *obj) {
-    delete static_cast<ListFormatInternal *>(obj);
-}
-
-U_CDECL_END
-
-ListFormatter::ListFormatter(const ListFormatter& other) :
-        owned(other.owned), data(other.data) {
-    if (other.owned != nullptr) {
-        owned = new ListFormatInternal(*other.owned);
-        data = owned;
-    }
-}
-
-ListFormatter& ListFormatter::operator=(const ListFormatter& other) {
-    if (this == &other) {
-        return *this;
-    }
-    delete owned;
-    if (other.owned) {
-        owned = new ListFormatInternal(*other.owned);
-        data = owned;
-    } else {
-        owned = nullptr;
-        data = other.data;
-    }
-    return *this;
-}
-
-void ListFormatter::initializeHash(UErrorCode& errorCode) {
-    if (U_FAILURE(errorCode)) {
-        return;
-    }
-
-    listPatternHash = new Hashtable();
-    if (listPatternHash == nullptr) {
-        errorCode = U_MEMORY_ALLOCATION_ERROR;
-        return;
-    }
-
-    listPatternHash->setValueDeleter(uprv_deleteListFormatInternal);
-    ucln_i18n_registerCleanup(UCLN_I18N_LIST_FORMATTER, uprv_listformatter_cleanup);
-
-}
-
-const ListFormatInternal* ListFormatter::getListFormatInternal(
-        const Locale& locale, const char *style, UErrorCode& errorCode) {
-    if (U_FAILURE(errorCode)) {
-        return nullptr;
-    }
-    CharString keyBuffer(locale.getName(), errorCode);
-    keyBuffer.append(':', errorCode).append(style, errorCode);
-    UnicodeString key(keyBuffer.data(), -1, US_INV);
-    ListFormatInternal* result = nullptr;
-    static UMutex listFormatterMutex;
-    {
-        Mutex m(&listFormatterMutex);
-        if (listPatternHash == nullptr) {
-            initializeHash(errorCode);
-            if (U_FAILURE(errorCode)) {
-                return nullptr;
-            }
-        }
-        result = static_cast<ListFormatInternal*>(listPatternHash->get(key));
-    }
-    if (result != nullptr) {
-        return result;
-    }
-    result = loadListFormatInternal(locale, style, errorCode);
-    if (U_FAILURE(errorCode)) {
-        return nullptr;
-    }
-
-    {
-        Mutex m(&listFormatterMutex);
-        ListFormatInternal* temp = static_cast<ListFormatInternal*>(listPatternHash->get(key));
-        if (temp != nullptr) {
-            delete result;
-            result = temp;
-        } else {
-            listPatternHash->put(key, result, errorCode);
-            if (U_FAILURE(errorCode)) {
-                return nullptr;
-            }
-        }
-    }
-    return result;
-}
-
-#if !UCONFIG_NO_FORMATTING
-static const char* typeWidthToStyleString(UListFormatterType type, UListFormatterWidth width) {
-    switch (type) {
-        case ULISTFMT_TYPE_AND:
-            switch (width) {
-                case ULISTFMT_WIDTH_WIDE:
-                    return "standard";
-                case ULISTFMT_WIDTH_SHORT:
-                    return "standard-short";
-                case ULISTFMT_WIDTH_NARROW:
-                    return "standard-narrow";
-                default:
-                    return nullptr;
-            }
-            break;
-
-        case ULISTFMT_TYPE_OR:
-            switch (width) {
-                case ULISTFMT_WIDTH_WIDE:
-                    return "or";
-                case ULISTFMT_WIDTH_SHORT:
-                    return "or-short";
-                case ULISTFMT_WIDTH_NARROW:
-                    return "or-narrow";
-                default:
-                    return nullptr;
-            }
-            break;
-
-        case ULISTFMT_TYPE_UNITS:
-            switch (width) {
-                case ULISTFMT_WIDTH_WIDE:
-                    return "unit";
-                case ULISTFMT_WIDTH_SHORT:
-                    return "unit-short";
-                case ULISTFMT_WIDTH_NARROW:
-                    return "unit-narrow";
-                default:
-                    return nullptr;
-            }
-    }
-
-    return nullptr;
-}
-#endif
-
-static const UChar solidus = 0x2F;
-static const UChar aliasPrefix[] = { 0x6C,0x69,0x73,0x74,0x50,0x61,0x74,0x74,0x65,0x72,0x6E,0x2F }; // "listPattern/"
-enum {
-    kAliasPrefixLen = UPRV_LENGTHOF(aliasPrefix),
-    kStyleLenMax = 24 // longest currently is 14
-};
-
-struct ListFormatter::ListPatternsSink : public ResourceSink {
-    UnicodeString two, start, middle, end;
-#if ((U_PLATFORM == U_PF_AIX) || (U_PLATFORM == U_PF_OS390)) && (U_CPLUSPLUS_VERSION < 11)
-    char aliasedStyle[kStyleLenMax+1];
-    ListPatternsSink() {
-      uprv_memset(aliasedStyle, 0, kStyleLenMax+1);
-    }
-#else
-    char aliasedStyle[kStyleLenMax+1] = {0};
-
-    ListPatternsSink() {}
-#endif
-    virtual ~ListPatternsSink();
-
-    void setAliasedStyle(UnicodeString alias) {
-        int32_t startIndex = alias.indexOf(aliasPrefix, kAliasPrefixLen, 0);
-        if (startIndex < 0) {
-            return;
-        }
-        startIndex += kAliasPrefixLen;
-        int32_t endIndex = alias.indexOf(solidus, startIndex);
-        if (endIndex < 0) {
-            endIndex = alias.length();
-        }
-        alias.extract(startIndex, endIndex-startIndex, aliasedStyle, kStyleLenMax+1, US_INV);
-        aliasedStyle[kStyleLenMax] = 0;
-    }
-
-    void handleValueForPattern(ResourceValue &value, UnicodeString &pattern, UErrorCode &errorCode) {
-        if (pattern.isEmpty()) {
-            if (value.getType() == URES_ALIAS) {
-                if (aliasedStyle[0] == 0) {
-                    setAliasedStyle(value.getAliasUnicodeString(errorCode));
-                }
-            } else {
-                pattern = value.getUnicodeString(errorCode);
-            }
-        }
-    }
-
-    virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
-            UErrorCode &errorCode) {
-        aliasedStyle[0] = 0;
-        if (value.getType() == URES_ALIAS) {
-            setAliasedStyle(value.getAliasUnicodeString(errorCode));
-            return;
-        }
-        ResourceTable listPatterns = value.getTable(errorCode);
-        for (int i = 0; U_SUCCESS(errorCode) && listPatterns.getKeyAndValue(i, key, value); ++i) {
-            if (uprv_strcmp(key, "2") == 0) {
-                handleValueForPattern(value, two, errorCode);
-            } else if (uprv_strcmp(key, "end") == 0) {
-                handleValueForPattern(value, end, errorCode);
-            } else if (uprv_strcmp(key, "middle") == 0) {
-                handleValueForPattern(value, middle, errorCode);
-            } else if (uprv_strcmp(key, "start") == 0) {
-                handleValueForPattern(value, start, errorCode);
-            }
-        }
-    }
-};
-
-// Virtual destructors must be defined out of line.
-ListFormatter::ListPatternsSink::~ListPatternsSink() {}
-
-ListFormatInternal* ListFormatter::loadListFormatInternal(
-        const Locale& locale, const char * style, UErrorCode& errorCode) {
-    UResourceBundle* rb = ures_open(nullptr, locale.getName(), &errorCode);
-    rb = ures_getByKeyWithFallback(rb, "listPattern", rb, &errorCode);
-    if (U_FAILURE(errorCode)) {
-        ures_close(rb);
-        return nullptr;
-    }
-    ListFormatter::ListPatternsSink sink;
-    char currentStyle[kStyleLenMax+1];
-    uprv_strncpy(currentStyle, style, kStyleLenMax);
-    currentStyle[kStyleLenMax] = 0;
-
-    for (;;) {
-        ures_getAllItemsWithFallback(rb, currentStyle, sink, errorCode);
-        if (U_FAILURE(errorCode) || sink.aliasedStyle[0] == 0 || uprv_strcmp(currentStyle, sink.aliasedStyle) == 0) {
-            break;
-        }
-        uprv_strcpy(currentStyle, sink.aliasedStyle);
-    }
-    ures_close(rb);
-    if (U_FAILURE(errorCode)) {
-        return nullptr;
-    }
-    if (sink.two.isEmpty() || sink.start.isEmpty() || sink.middle.isEmpty() || sink.end.isEmpty()) {
-        errorCode = U_MISSING_RESOURCE_ERROR;
-        return nullptr;
-    }
-
-    ListFormatInternal* result = new ListFormatInternal(sink.two, sink.start, sink.middle, sink.end, locale, errorCode);
-    if (result == nullptr) {
-        errorCode = U_MEMORY_ALLOCATION_ERROR;
-        return nullptr;
-    }
-    if (U_FAILURE(errorCode)) {
-        delete result;
-        return nullptr;
-    }
-    return result;
-}
-
-ListFormatter* ListFormatter::createInstance(UErrorCode& errorCode) {
-    Locale locale;  // The default locale.
-    return createInstance(locale, errorCode);
-}
-
-ListFormatter* ListFormatter::createInstance(const Locale& locale, UErrorCode& errorCode) {
-#if !UCONFIG_NO_FORMATTING
-    return createInstance(locale, ULISTFMT_TYPE_AND, ULISTFMT_WIDTH_WIDE, errorCode);
-#else
-    return createInstance(locale, "standard", errorCode);
-#endif
-}
-
-#if !UCONFIG_NO_FORMATTING
-ListFormatter* ListFormatter::createInstance(
-        const Locale& locale, UListFormatterType type, UListFormatterWidth width, UErrorCode& errorCode) {
-    const char* style = typeWidthToStyleString(type, width);
-    if (style == nullptr) {
-        errorCode = U_ILLEGAL_ARGUMENT_ERROR;
-        return nullptr;
-    }
-    return createInstance(locale, style, errorCode);
-}
-#endif
-
-ListFormatter* ListFormatter::createInstance(const Locale& locale, const char *style, UErrorCode& errorCode) {
-    const ListFormatInternal* listFormatInternal = getListFormatInternal(locale, style, errorCode);
-    if (U_FAILURE(errorCode)) {
-        return nullptr;
-    }
-    ListFormatter* p = new ListFormatter(listFormatInternal);
-    if (p == nullptr) {
-        errorCode = U_MEMORY_ALLOCATION_ERROR;
-        return nullptr;
-    }
-    return p;
-}
-
-ListFormatter::ListFormatter(const ListFormatData& listFormatData, UErrorCode &errorCode) {
-    owned = new ListFormatInternal(listFormatData, errorCode);
-    data = owned;
-}
-
-ListFormatter::ListFormatter(const ListFormatInternal* listFormatterInternal) : owned(nullptr), data(listFormatterInternal) {
-}
-
-ListFormatter::~ListFormatter() {
-    delete owned;
-}
-
-/**
- * Joins first and second using the pattern pat.
- * On entry offset is an offset into first or -1 if offset unspecified.
- * On exit offset is offset of second in result if recordOffset was set
- * Otherwise if it was >=0 it is set to point into result where it used
- * to point into first. On exit, result is the join of first and second
- * according to pat. Any previous value of result gets replaced.
- */
-static void joinStringsAndReplace(
-        const SimpleFormatter& pat,
-        const UnicodeString& first,
-        const UnicodeString& second,
-        UnicodeString &result,
-        UBool recordOffset,
-        int32_t &offset,
-        int32_t *offsetFirst,
-        int32_t *offsetSecond,
-        UErrorCode& errorCode) {
-    if (U_FAILURE(errorCode)) {
-        return;
-    }
-    const UnicodeString *params[2] = {&first, &second};
-    int32_t offsets[2];
-    pat.formatAndReplace(
-            params,
-            UPRV_LENGTHOF(params),
-            result,
-            offsets,
-            UPRV_LENGTHOF(offsets),
-            errorCode);
-    if (U_FAILURE(errorCode)) {
-        return;
-    }
-    if (offsets[0] == -1 || offsets[1] == -1) {
-        errorCode = U_INVALID_FORMAT_ERROR;
-        return;
-    }
-    if (recordOffset) {
-        offset = offsets[1];
-    } else if (offset >= 0) {
-        offset += offsets[0];
-    }
-    if (offsetFirst != nullptr) *offsetFirst = offsets[0];
-    if (offsetSecond != nullptr) *offsetSecond = offsets[1];
-}
-
-UnicodeString& ListFormatter::format(
-        const UnicodeString items[],
-        int32_t nItems,
-        UnicodeString& appendTo,
-        UErrorCode& errorCode) const {
-    int32_t offset;
-    return format(items, nItems, appendTo, -1, offset, errorCode);
-}
-
-UnicodeString& ListFormatter::format(
-        const UnicodeString items[],
-        int32_t nItems,
-        UnicodeString& appendTo,
-        int32_t index,
-        int32_t &offset,
-        UErrorCode& errorCode) const {
-  return format_(items, nItems, appendTo, index, offset, nullptr, errorCode);
-}
-
-#if !UCONFIG_NO_FORMATTING
-FormattedList ListFormatter::formatStringsToValue(
-        const UnicodeString items[],
-        int32_t nItems,
-        UErrorCode& errorCode) const {
-    LocalPointer<FormattedListData> result(new FormattedListData(errorCode), errorCode);
-    if (U_FAILURE(errorCode)) {
-        return FormattedList(errorCode);
-    }
-    UnicodeString string;
-    int32_t offset;
-    auto handler = result->getHandler(errorCode);
-    handler.setCategory(UFIELD_CATEGORY_LIST);
-    format_(items, nItems, string, -1, offset, &handler, errorCode);
-    handler.getError(errorCode);
-    result->appendString(string, errorCode);
-    if (U_FAILURE(errorCode)) {
-        return FormattedList(errorCode);
-    }
-
-    // Add span fields and sort
-    ConstrainedFieldPosition cfpos;
-    cfpos.constrainField(UFIELD_CATEGORY_LIST, ULISTFMT_ELEMENT_FIELD);
-    int32_t i = 0;
-    handler.setCategory(UFIELD_CATEGORY_LIST_SPAN);
-    while (result->nextPosition(cfpos, errorCode)) {
-        handler.addAttribute(i++, cfpos.getStart(), cfpos.getLimit());
-    }
-    handler.getError(errorCode);
-    if (U_FAILURE(errorCode)) {
-        return FormattedList(errorCode);
-    }
-    result->sort();
-
-    return FormattedList(result.orphan());
-}
-#endif
-
-UnicodeString& ListFormatter::format_(
-        const UnicodeString items[],
-        int32_t nItems,
-        UnicodeString& appendTo,
-        int32_t index,
-        int32_t &offset,
-        FieldPositionHandler* handler,
-        UErrorCode& errorCode) const {
-#if !UCONFIG_NO_FORMATTING
-    offset = -1;
-    if (U_FAILURE(errorCode)) {
-        return appendTo;
-    }
-    if (data == nullptr) {
-        errorCode = U_INVALID_STATE_ERROR;
-        return appendTo;
-    }
-
-    if (nItems <= 0) {
-        return appendTo;
-    }
-    if (nItems == 1) {
-        if (index == 0) {
-            offset = appendTo.length();
-        }
-        if (handler != nullptr) {
-            handler->addAttribute(ULISTFMT_ELEMENT_FIELD,
-                                  appendTo.length(),
-                                  appendTo.length() + items[0].length());
-        }
-        appendTo.append(items[0]);
-        return appendTo;
-    }
-    UnicodeString result(items[0]);
-    if (index == 0) {
-        offset = 0;
-    }
-    int32_t offsetFirst = 0;
-    int32_t offsetSecond = 0;
-    int32_t prefixLength = 0;
-    // for n items, there are 2 * (n + 1) boundary including 0 and the upper
-    // edge.
-    MaybeStackArray<int32_t, 10> offsets((handler != nullptr) ? 2 * (nItems + 1): 0);
-    if (nItems == 2) {
-        joinStringsAndReplace(
-                data->patternHandler->getTwoPattern(items[1]),
-                result,
-                items[1],
-                result,
-                index == 1,
-                offset,
-                &offsetFirst,
-                &offsetSecond,
-                errorCode);
-    } else {
-        joinStringsAndReplace(
-                data->startPattern,
-                result,
-                items[1],
-                result,
-                index == 1,
-                offset,
-                &offsetFirst,
-                &offsetSecond,
-                errorCode);
-    }
-    if (handler != nullptr) {
-        offsets[0] = 0;
-        prefixLength += offsetFirst;
-        offsets[1] = offsetSecond - prefixLength;
-    }
-    if (nItems > 2) {
-        for (int32_t i = 2; i < nItems - 1; ++i) {
-             joinStringsAndReplace(
-                     data->middlePattern,
-                     result,
-                     items[i],
-                     result,
-                     index == i,
-                     offset,
-                     &offsetFirst,
-                     &offsetSecond,
-                     errorCode);
-            if (handler != nullptr) {
-                prefixLength += offsetFirst;
-                offsets[i] = offsetSecond - prefixLength;
-            }
-        }
-        joinStringsAndReplace(
-                data->patternHandler->getEndPattern(items[nItems - 1]),
-                result,
-                items[nItems - 1],
-                result,
-                index == nItems - 1,
-                offset,
-                &offsetFirst,
-                &offsetSecond,
-                errorCode);
-        if (handler != nullptr) {
-            prefixLength += offsetFirst;
-            offsets[nItems - 1] = offsetSecond - prefixLength;
-        }
-    }
-    if (handler != nullptr) {
-        // If there are already some data in appendTo, we need to adjust the index
-        // by shifting that lenght while insert into handler.
-        int32_t shift = appendTo.length() + prefixLength;
-        // Output the ULISTFMT_ELEMENT_FIELD in the order of the input elements
-        for (int32_t i = 0; i < nItems; ++i) {
-            offsets[i + nItems] = offsets[i] + items[i].length() + shift;
-            offsets[i] += shift;
-            handler->addAttribute(
-                ULISTFMT_ELEMENT_FIELD,  // id
-                offsets[i],  // index
-                offsets[i + nItems]);  // limit
-        }
-        // The locale pattern may reorder the items (such as in ur-IN locale),
-        // so we cannot assume the array is in accendning order.
-        // To handle the edging case, just insert the two ends into the array
-        // and sort. Then we output ULISTFMT_LITERAL_FIELD if the indecies
-        // between the even and odd position are not the same in the sorted array.
-        offsets[2 * nItems] = shift - prefixLength;
-        offsets[2 * nItems + 1] = result.length() + shift - prefixLength;
-        uprv_sortArray(offsets.getAlias(), 2 * (nItems + 1), sizeof(int32_t),
-               uprv_int32Comparator, nullptr,
-               false, &errorCode);
-        for (int32_t i = 0; i <= nItems; ++i) {
-          if (offsets[i * 2] != offsets[i * 2 + 1]) {
-            handler->addAttribute(
-                ULISTFMT_LITERAL_FIELD,  // id
-                offsets[i * 2],  // index
-                offsets[i * 2 + 1]);  // limit
-          }
-        }
-    }
-    if (U_SUCCESS(errorCode)) {
-        if (offset >= 0) {
-            offset += appendTo.length();
-        }
-        appendTo += result;
-    }
-#endif  
-    return appendTo;
-}
- 
-U_NAMESPACE_END