740 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			740 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C++
		
	
	
	
| // © 2016 and later: Unicode, Inc. and others.
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| // License & terms of use: http://www.unicode.org/copyright.html
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| /*
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| *******************************************************************************
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| *
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| *   Copyright (C) 2013-2016, International Business Machines
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| *   Corporation and others.  All Rights Reserved.
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| *
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| *******************************************************************************
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| *   file name:  listformatter.cpp
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| *   encoding:   UTF-8
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| *   tab size:   8 (not used)
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| *   indentation:4
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| *
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| *   created on: 2012aug27
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| *   created by: Umesh P. Nair
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| */
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| 
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| #include "unicode/utypes.h"
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| 
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| #if !UCONFIG_NO_FORMATTING
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| 
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| #include "cmemory.h"
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| #include "unicode/fpositer.h"  // FieldPositionIterator
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| #include "unicode/listformatter.h"
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| #include "unicode/simpleformatter.h"
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| #include "unicode/ulistformatter.h"
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| #include "unicode/uscript.h"
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| #include "fphdlimp.h"
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| #include "mutex.h"
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| #include "hash.h"
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| #include "cstring.h"
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| #include "uarrsort.h"
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| #include "ulocimp.h"
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| #include "charstr.h"
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| #include "ucln_in.h"
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| #include "uresimp.h"
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| #include "resource.h"
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| #include "formattedval_impl.h"
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| 
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| U_NAMESPACE_BEGIN
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| 
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| namespace {
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| 
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| class PatternHandler : public UObject {
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| public:
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|     PatternHandler(const UnicodeString& two, const UnicodeString& end, UErrorCode& errorCode) :
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|         twoPattern(two, 2, 2, errorCode),
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|         endPattern(end, 2, 2, errorCode) {  }
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| 
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|     PatternHandler(const SimpleFormatter& two, const SimpleFormatter& end) :
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|         twoPattern(two),
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|         endPattern(end) { }
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| 
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|     virtual ~PatternHandler();
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| 
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|     virtual PatternHandler* clone() const { return new PatternHandler(twoPattern, endPattern); }
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| 
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|     /** Argument: final string in the list. */
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|     virtual const SimpleFormatter& getTwoPattern(const UnicodeString&) const {
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|         return twoPattern;
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|     }
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| 
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|     /** Argument: final string in the list. */
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|     virtual const SimpleFormatter& getEndPattern(const UnicodeString&) const {
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|         return endPattern;
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|     }
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| 
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| protected:
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|     SimpleFormatter twoPattern;
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|     SimpleFormatter endPattern;
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| };
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| 
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| PatternHandler::~PatternHandler() {
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| }
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| 
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| class ContextualHandler : public PatternHandler {
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| public:
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|     ContextualHandler(bool (*testFunc)(const UnicodeString& text),
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|                       const UnicodeString& thenTwo,
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|                       const UnicodeString& elseTwo,
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|                       const UnicodeString& thenEnd,
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|                       const UnicodeString& elseEnd,
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|                       UErrorCode& errorCode) :
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|         PatternHandler(elseTwo, elseEnd, errorCode),
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|         test(testFunc),
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|         thenTwoPattern(thenTwo, 2, 2, errorCode),
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|         thenEndPattern(thenEnd, 2, 2, errorCode) {  }
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| 
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|     ContextualHandler(bool (*testFunc)(const UnicodeString& text),
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|                       const SimpleFormatter& thenTwo, SimpleFormatter elseTwo,
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|                       const SimpleFormatter& thenEnd, SimpleFormatter elseEnd) :
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|       PatternHandler(elseTwo, elseEnd),
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|       test(testFunc),
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|       thenTwoPattern(thenTwo),
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|       thenEndPattern(thenEnd) { }
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| 
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|     ~ContextualHandler() override;
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| 
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|     PatternHandler* clone() const override {
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|         return new ContextualHandler(
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|             test, thenTwoPattern, twoPattern, thenEndPattern, endPattern);
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|     }
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| 
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|     const SimpleFormatter& getTwoPattern(
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|         const UnicodeString& text) const override {
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|         return (test)(text) ? thenTwoPattern : twoPattern;
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|     }
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| 
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|     const SimpleFormatter& getEndPattern(
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|         const UnicodeString& text) const override {
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|         return (test)(text) ? thenEndPattern : endPattern;
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|     }
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| 
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| private:
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|     bool (*test)(const UnicodeString&);
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|     SimpleFormatter thenTwoPattern;
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|     SimpleFormatter thenEndPattern;
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| };
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| 
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| ContextualHandler::~ContextualHandler() {
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| }
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| 
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| static const char16_t *spanishY = u"{0} y {1}";
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| static const char16_t *spanishE = u"{0} e {1}";
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| static const char16_t *spanishO = u"{0} o {1}";
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| static const char16_t *spanishU = u"{0} u {1}";
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| static const char16_t *hebrewVav = u"{0} \u05D5{1}";
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| static const char16_t *hebrewVavDash = u"{0} \u05D5-{1}";
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| 
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| // Condiction to change to e.
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| // Starts with "hi" or "i" but not with "hie" nor "hia"
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| static bool shouldChangeToE(const UnicodeString& text) {
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|     int32_t len = text.length();
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|     if (len == 0) { return false; }
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|     // Case insensitive match hi but not hie nor hia.
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|     if ((text[0] == u'h' || text[0] == u'H') &&
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|             ((len > 1) && (text[1] == u'i' || text[1] == u'I')) &&
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|             ((len == 2) || !(text[2] == u'a' || text[2] == u'A' || text[2] == u'e' || text[2] == u'E'))) {
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|         return true;
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|     }
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|     // Case insensitive for "start with i"
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|     if (text[0] == u'i' || text[0] == u'I') { return true; }
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|     return false;
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| }
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| 
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| // Condiction to change to u.
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| // Starts with "o", "ho", and "8". Also "11" by itself.
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| // re: ^((o|ho|8).*|11)$
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| static bool shouldChangeToU(const UnicodeString& text) {
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|     int32_t len = text.length();
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|     if (len == 0) { return false; }
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|     // Case insensitive match o.* and 8.*
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|     if (text[0] == u'o' || text[0] == u'O' || text[0] == u'8') { return true; }
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|     // Case insensitive match ho.*
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|     if ((text[0] == u'h' || text[0] == u'H') &&
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|             ((len > 1) && (text[1] == 'o' || text[1] == u'O'))) {
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|         return true;
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|     }
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|     // match "^11$" and "^11 .*"
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|     if ((len >= 2) && text[0] == u'1' && text[1] == u'1' && (len == 2 || text[2] == u' ')) { return true; }
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|     return false;
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| }
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| 
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| // Condiction to change to VAV follow by a dash.
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| // Starts with non Hebrew letter.
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| static bool shouldChangeToVavDash(const UnicodeString& text) {
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|     if (text.isEmpty()) { return false; }
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|     UErrorCode status = U_ZERO_ERROR;
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|     return uscript_getScript(text.char32At(0), &status) != USCRIPT_HEBREW;
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| }
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| 
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| PatternHandler* createPatternHandler(
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|         const char* lang, const UnicodeString& two, const UnicodeString& end,
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|     UErrorCode& status) {
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|     if (uprv_strcmp(lang, "es") == 0) {
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|         // Spanish
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|         UnicodeString spanishYStr(true, spanishY, -1);
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|         bool twoIsY = two == spanishYStr;
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|         bool endIsY = end == spanishYStr;
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|         if (twoIsY || endIsY) {
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|             UnicodeString replacement(true, spanishE, -1);
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|             return new ContextualHandler(
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|                 shouldChangeToE,
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|                 twoIsY ? replacement : two, two,
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|                 endIsY ? replacement : end, end, status);
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|         }
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|         UnicodeString spanishOStr(true, spanishO, -1);
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|         bool twoIsO = two == spanishOStr;
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|         bool endIsO = end == spanishOStr;
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|         if (twoIsO || endIsO) {
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|             UnicodeString replacement(true, spanishU, -1);
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|             return new ContextualHandler(
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|                 shouldChangeToU,
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|                 twoIsO ? replacement : two, two,
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|                 endIsO ? replacement : end, end, status);
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|         }
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|     } else if (uprv_strcmp(lang, "he") == 0 || uprv_strcmp(lang, "iw") == 0) {
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|         // Hebrew
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|         UnicodeString hebrewVavStr(true, hebrewVav, -1);
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|         bool twoIsVav = two == hebrewVavStr;
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|         bool endIsVav = end == hebrewVavStr;
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|         if (twoIsVav || endIsVav) {
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|             UnicodeString replacement(true, hebrewVavDash, -1);
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|             return new ContextualHandler(
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|                 shouldChangeToVavDash,
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|                 twoIsVav ? replacement : two, two,
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|                 endIsVav ? replacement : end, end, status);
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|         }
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|     }
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|     return new PatternHandler(two, end, status);
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| }
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| 
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| }  // namespace
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| 
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| struct ListFormatInternal : public UMemory {
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|     SimpleFormatter startPattern;
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|     SimpleFormatter middlePattern;
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|     LocalPointer<PatternHandler> patternHandler;
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| 
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| ListFormatInternal(
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|         const UnicodeString& two,
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|         const UnicodeString& start,
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|         const UnicodeString& middle,
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|         const UnicodeString& end,
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|         const Locale& locale,
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|         UErrorCode &errorCode) :
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|         startPattern(start, 2, 2, errorCode),
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|         middlePattern(middle, 2, 2, errorCode),
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|         patternHandler(createPatternHandler(locale.getLanguage(), two, end, errorCode), errorCode) { }
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| 
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| ListFormatInternal(const ListFormatData &data, UErrorCode &errorCode) :
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|         startPattern(data.startPattern, errorCode),
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|         middlePattern(data.middlePattern, errorCode),
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|         patternHandler(createPatternHandler(
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|             data.locale.getLanguage(), data.twoPattern, data.endPattern, errorCode), errorCode) { }
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| 
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| ListFormatInternal(const ListFormatInternal &other) :
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|     startPattern(other.startPattern),
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|     middlePattern(other.middlePattern),
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|     patternHandler(other.patternHandler->clone()) { }
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| };
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| 
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| 
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| class FormattedListData : public FormattedValueStringBuilderImpl {
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| public:
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|     FormattedListData(UErrorCode&) : FormattedValueStringBuilderImpl(kUndefinedField) {}
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|     virtual ~FormattedListData();
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| };
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| 
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| FormattedListData::~FormattedListData() = default;
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| 
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| UPRV_FORMATTED_VALUE_SUBCLASS_AUTO_IMPL(FormattedList)
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| 
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| 
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| static Hashtable* listPatternHash = nullptr;
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| 
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| U_CDECL_BEGIN
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| static UBool U_CALLCONV uprv_listformatter_cleanup() {
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|     delete listPatternHash;
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|     listPatternHash = nullptr;
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|     return true;
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| }
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| 
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| static void U_CALLCONV
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| uprv_deleteListFormatInternal(void *obj) {
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|     delete static_cast<ListFormatInternal *>(obj);
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| }
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| 
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| U_CDECL_END
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| 
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| ListFormatter::ListFormatter(const ListFormatter& other) :
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|         owned(other.owned), data(other.data) {
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|     if (other.owned != nullptr) {
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|         owned = new ListFormatInternal(*other.owned);
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|         data = owned;
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|     }
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| }
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| 
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| ListFormatter& ListFormatter::operator=(const ListFormatter& other) {
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|     if (this == &other) {
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|         return *this;
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|     }
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|     delete owned;
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|     if (other.owned) {
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|         owned = new ListFormatInternal(*other.owned);
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|         data = owned;
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|     } else {
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|         owned = nullptr;
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|         data = other.data;
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|     }
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|     return *this;
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| }
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| 
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| void ListFormatter::initializeHash(UErrorCode& errorCode) {
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|     if (U_FAILURE(errorCode)) {
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|         return;
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|     }
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| 
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|     listPatternHash = new Hashtable();
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|     if (listPatternHash == nullptr) {
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|         errorCode = U_MEMORY_ALLOCATION_ERROR;
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|         return;
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|     }
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| 
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|     listPatternHash->setValueDeleter(uprv_deleteListFormatInternal);
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|     ucln_i18n_registerCleanup(UCLN_I18N_LIST_FORMATTER, uprv_listformatter_cleanup);
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| 
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| }
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| 
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| const ListFormatInternal* ListFormatter::getListFormatInternal(
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|         const Locale& locale, const char *style, UErrorCode& errorCode) {
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|     if (U_FAILURE(errorCode)) {
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|         return nullptr;
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|     }
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|     CharString keyBuffer(locale.getName(), errorCode);
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|     keyBuffer.append(':', errorCode).append(style, errorCode);
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|     UnicodeString key(keyBuffer.data(), -1, US_INV);
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|     ListFormatInternal* result = nullptr;
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|     static UMutex listFormatterMutex;
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|     {
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|         Mutex m(&listFormatterMutex);
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|         if (listPatternHash == nullptr) {
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|             initializeHash(errorCode);
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|             if (U_FAILURE(errorCode)) {
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|                 return nullptr;
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|             }
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|         }
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|         result = static_cast<ListFormatInternal*>(listPatternHash->get(key));
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|     }
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|     if (result != nullptr) {
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|         return result;
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|     }
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|     result = loadListFormatInternal(locale, style, errorCode);
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|     if (U_FAILURE(errorCode)) {
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|         return nullptr;
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|     }
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| 
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|     {
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|         Mutex m(&listFormatterMutex);
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|         ListFormatInternal* temp = static_cast<ListFormatInternal*>(listPatternHash->get(key));
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|         if (temp != nullptr) {
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|             delete result;
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|             result = temp;
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|         } else {
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|             listPatternHash->put(key, result, errorCode);
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|             if (U_FAILURE(errorCode)) {
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|                 return nullptr;
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|             }
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|         }
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|     }
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|     return result;
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| }
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| 
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| static const char* typeWidthToStyleString(UListFormatterType type, UListFormatterWidth width) {
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|     switch (type) {
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|         case ULISTFMT_TYPE_AND:
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|             switch (width) {
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|                 case ULISTFMT_WIDTH_WIDE:
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|                     return "standard";
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|                 case ULISTFMT_WIDTH_SHORT:
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|                     return "standard-short";
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|                 case ULISTFMT_WIDTH_NARROW:
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|                     return "standard-narrow";
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|                 default:
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|                     return nullptr;
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|             }
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|             break;
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| 
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|         case ULISTFMT_TYPE_OR:
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|             switch (width) {
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|                 case ULISTFMT_WIDTH_WIDE:
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|                     return "or";
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|                 case ULISTFMT_WIDTH_SHORT:
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|                     return "or-short";
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|                 case ULISTFMT_WIDTH_NARROW:
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|                     return "or-narrow";
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|                 default:
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|                     return nullptr;
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|             }
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|             break;
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| 
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|         case ULISTFMT_TYPE_UNITS:
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|             switch (width) {
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|                 case ULISTFMT_WIDTH_WIDE:
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|                     return "unit";
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|                 case ULISTFMT_WIDTH_SHORT:
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|                     return "unit-short";
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|                 case ULISTFMT_WIDTH_NARROW:
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|                     return "unit-narrow";
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|                 default:
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|                     return nullptr;
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|             }
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|     }
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| 
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|     return nullptr;
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| }
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| 
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| static const UChar solidus = 0x2F;
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| static const UChar aliasPrefix[] = { 0x6C,0x69,0x73,0x74,0x50,0x61,0x74,0x74,0x65,0x72,0x6E,0x2F }; // "listPattern/"
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| enum {
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|     kAliasPrefixLen = UPRV_LENGTHOF(aliasPrefix),
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|     kStyleLenMax = 24 // longest currently is 14
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| };
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| 
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| struct ListFormatter::ListPatternsSink : public ResourceSink {
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|     UnicodeString two, start, middle, end;
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| #if ((U_PLATFORM == U_PF_AIX) || (U_PLATFORM == U_PF_OS390)) && (U_CPLUSPLUS_VERSION < 11)
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|     char aliasedStyle[kStyleLenMax+1];
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|     ListPatternsSink() {
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|       uprv_memset(aliasedStyle, 0, kStyleLenMax+1);
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|     }
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| #else
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|     char aliasedStyle[kStyleLenMax+1] = {0};
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| 
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|     ListPatternsSink() {}
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| #endif
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|     virtual ~ListPatternsSink();
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| 
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|     void setAliasedStyle(UnicodeString alias) {
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|         int32_t startIndex = alias.indexOf(aliasPrefix, kAliasPrefixLen, 0);
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|         if (startIndex < 0) {
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|             return;
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|         }
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|         startIndex += kAliasPrefixLen;
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|         int32_t endIndex = alias.indexOf(solidus, startIndex);
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|         if (endIndex < 0) {
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|             endIndex = alias.length();
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|         }
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|         alias.extract(startIndex, endIndex-startIndex, aliasedStyle, kStyleLenMax+1, US_INV);
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|         aliasedStyle[kStyleLenMax] = 0;
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|     }
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| 
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|     void handleValueForPattern(ResourceValue &value, UnicodeString &pattern, UErrorCode &errorCode) {
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|         if (pattern.isEmpty()) {
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|             if (value.getType() == URES_ALIAS) {
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|                 if (aliasedStyle[0] == 0) {
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|                     setAliasedStyle(value.getAliasUnicodeString(errorCode));
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|                 }
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|             } else {
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|                 pattern = value.getUnicodeString(errorCode);
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|             }
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|         }
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|     }
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| 
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|     virtual void put(const char *key, ResourceValue &value, UBool /*noFallback*/,
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|             UErrorCode &errorCode) override {
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|         aliasedStyle[0] = 0;
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|         if (value.getType() == URES_ALIAS) {
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|             setAliasedStyle(value.getAliasUnicodeString(errorCode));
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|             return;
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|         }
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|         ResourceTable listPatterns = value.getTable(errorCode);
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|         for (int i = 0; U_SUCCESS(errorCode) && listPatterns.getKeyAndValue(i, key, value); ++i) {
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|             if (uprv_strcmp(key, "2") == 0) {
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|                 handleValueForPattern(value, two, errorCode);
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|             } else if (uprv_strcmp(key, "end") == 0) {
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|                 handleValueForPattern(value, end, errorCode);
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|             } else if (uprv_strcmp(key, "middle") == 0) {
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|                 handleValueForPattern(value, middle, errorCode);
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|             } else if (uprv_strcmp(key, "start") == 0) {
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|                 handleValueForPattern(value, start, errorCode);
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|             }
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|         }
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|     }
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| };
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| 
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| // Virtual destructors must be defined out of line.
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| ListFormatter::ListPatternsSink::~ListPatternsSink() {}
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| 
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| ListFormatInternal* ListFormatter::loadListFormatInternal(
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|         const Locale& locale, const char * style, UErrorCode& errorCode) {
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|     UResourceBundle* rb = ures_open(nullptr, locale.getName(), &errorCode);
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|     rb = ures_getByKeyWithFallback(rb, "listPattern", rb, &errorCode);
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|     if (U_FAILURE(errorCode)) {
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|         ures_close(rb);
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|         return nullptr;
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|     }
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|     ListFormatter::ListPatternsSink sink;
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|     char currentStyle[kStyleLenMax+1];
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|     uprv_strncpy(currentStyle, style, kStyleLenMax);
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|     currentStyle[kStyleLenMax] = 0;
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| 
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|     for (;;) {
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|         ures_getAllItemsWithFallback(rb, currentStyle, sink, errorCode);
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|         if (U_FAILURE(errorCode) || sink.aliasedStyle[0] == 0 || uprv_strcmp(currentStyle, sink.aliasedStyle) == 0) {
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|             break;
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|         }
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|         uprv_strcpy(currentStyle, sink.aliasedStyle);
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|     }
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|     ures_close(rb);
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|     if (U_FAILURE(errorCode)) {
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|         return nullptr;
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|     }
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|     if (sink.two.isEmpty() || sink.start.isEmpty() || sink.middle.isEmpty() || sink.end.isEmpty()) {
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|         errorCode = U_MISSING_RESOURCE_ERROR;
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|         return nullptr;
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|     }
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| 
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|     ListFormatInternal* result = new ListFormatInternal(sink.two, sink.start, sink.middle, sink.end, locale, errorCode);
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|     if (result == nullptr) {
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|         errorCode = U_MEMORY_ALLOCATION_ERROR;
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|         return nullptr;
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|     }
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|     if (U_FAILURE(errorCode)) {
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|         delete result;
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|         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) {
 | |
|     return createInstance(locale, ULISTFMT_TYPE_AND, ULISTFMT_WIDTH_WIDE, errorCode);
 | |
| }
 | |
| 
 | |
| 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);
 | |
| }
 | |
| 
 | |
| 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;
 | |
| }
 | |
| 
 | |
| namespace {
 | |
| 
 | |
| class FormattedListBuilder {
 | |
| public:
 | |
|     LocalPointer<FormattedListData> data;
 | |
| 
 | |
|     /** For lists of length 1+ */
 | |
|     FormattedListBuilder(const UnicodeString& start, UErrorCode& status)
 | |
|             : data(new FormattedListData(status), status) {
 | |
|         if (U_SUCCESS(status)) {
 | |
|             data->getStringRef().append(
 | |
|                 start,
 | |
|                 {UFIELD_CATEGORY_LIST, ULISTFMT_ELEMENT_FIELD},
 | |
|                 status);
 | |
|             data->appendSpanInfo(UFIELD_CATEGORY_LIST_SPAN, 0, -1, start.length(), status);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /** For lists of length 0 */
 | |
|     FormattedListBuilder(UErrorCode& status)
 | |
|             : data(new FormattedListData(status), status) {
 | |
|     }
 | |
| 
 | |
|     void append(const SimpleFormatter& pattern, const UnicodeString& next, int32_t position, UErrorCode& status) {
 | |
|         if (U_FAILURE(status)) {
 | |
|             return;
 | |
|         }
 | |
|         if (pattern.getArgumentLimit() != 2) {
 | |
|             status = U_INTERNAL_PROGRAM_ERROR;
 | |
|             return;
 | |
|         }
 | |
|         // In the pattern, {0} are the pre-existing elements and {1} is the new element.
 | |
|         int32_t offsets[] = {0, 0};
 | |
|         UnicodeString temp = pattern.getTextWithNoArguments(offsets, 2);
 | |
|         if (offsets[0] <= offsets[1]) {
 | |
|             // prefix{0}infix{1}suffix
 | |
|             // Prepend prefix, then append infix, element, and suffix
 | |
|             data->getStringRef().insert(
 | |
|                 0,
 | |
|                 temp.tempSubStringBetween(0, offsets[0]),
 | |
|                 {UFIELD_CATEGORY_LIST, ULISTFMT_LITERAL_FIELD},
 | |
|                 status);
 | |
|             data->getStringRef().append(
 | |
|                 temp.tempSubStringBetween(offsets[0], offsets[1]),
 | |
|                 {UFIELD_CATEGORY_LIST, ULISTFMT_LITERAL_FIELD},
 | |
|                 status);
 | |
|             data->getStringRef().append(
 | |
|                 next,
 | |
|                 {UFIELD_CATEGORY_LIST, ULISTFMT_ELEMENT_FIELD},
 | |
|                 status);
 | |
|             data->appendSpanInfo(UFIELD_CATEGORY_LIST_SPAN, position, -1, next.length(), status);
 | |
|             data->getStringRef().append(
 | |
|                 temp.tempSubString(offsets[1]),
 | |
|                 {UFIELD_CATEGORY_LIST, ULISTFMT_LITERAL_FIELD},
 | |
|                 status);
 | |
|         } else {
 | |
|             // prefix{1}infix{0}suffix
 | |
|             // Prepend infix, element, and prefix, then append suffix.
 | |
|             // (We prepend in reverse order because prepending at index 0 is fast.)
 | |
|             data->getStringRef().insert(
 | |
|                 0,
 | |
|                 temp.tempSubStringBetween(offsets[1], offsets[0]),
 | |
|                 {UFIELD_CATEGORY_LIST, ULISTFMT_LITERAL_FIELD},
 | |
|                 status);
 | |
|             data->getStringRef().insert(
 | |
|                 0,
 | |
|                 next,
 | |
|                 {UFIELD_CATEGORY_LIST, ULISTFMT_ELEMENT_FIELD},
 | |
|                 status);
 | |
|             data->prependSpanInfo(UFIELD_CATEGORY_LIST_SPAN, position, -1, next.length(), status);
 | |
|             data->getStringRef().insert(
 | |
|                 0,
 | |
|                 temp.tempSubStringBetween(0, offsets[1]),
 | |
|                 {UFIELD_CATEGORY_LIST, ULISTFMT_LITERAL_FIELD},
 | |
|                 status);
 | |
|             data->getStringRef().append(
 | |
|                 temp.tempSubString(offsets[0]),
 | |
|                 {UFIELD_CATEGORY_LIST, ULISTFMT_LITERAL_FIELD},
 | |
|                 status);
 | |
|         }
 | |
|     }
 | |
| };
 | |
| 
 | |
| }
 | |
| 
 | |
| 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 {
 | |
|     int32_t initialOffset = appendTo.length();
 | |
|     auto result = formatStringsToValue(items, nItems, errorCode);
 | |
|     UnicodeStringAppendable appendable(appendTo);
 | |
|     result.appendTo(appendable, errorCode);
 | |
|     if (index >= 0) {
 | |
|         ConstrainedFieldPosition cfpos;
 | |
|         cfpos.constrainField(UFIELD_CATEGORY_LIST_SPAN, index);
 | |
|         result.nextPosition(cfpos, errorCode);
 | |
|         offset = initialOffset + cfpos.getStart();
 | |
|     }
 | |
|     return appendTo;
 | |
| }
 | |
| 
 | |
| FormattedList ListFormatter::formatStringsToValue(
 | |
|         const UnicodeString items[],
 | |
|         int32_t nItems,
 | |
|         UErrorCode& errorCode) const {
 | |
|     if (nItems == 0) {
 | |
|         FormattedListBuilder result(errorCode);
 | |
|         if (U_FAILURE(errorCode)) {
 | |
|             return FormattedList(errorCode);
 | |
|         } else {
 | |
|             return FormattedList(result.data.orphan());
 | |
|         }
 | |
|     } else if (nItems == 1) {
 | |
|         FormattedListBuilder result(items[0], errorCode);
 | |
|         result.data->getStringRef().writeTerminator(errorCode);
 | |
|         if (U_FAILURE(errorCode)) {
 | |
|             return FormattedList(errorCode);
 | |
|         } else {
 | |
|             return FormattedList(result.data.orphan());
 | |
|         }
 | |
|     } else if (nItems == 2) {
 | |
|         FormattedListBuilder result(items[0], errorCode);
 | |
|         if (U_FAILURE(errorCode)) {
 | |
|             return FormattedList(errorCode);
 | |
|         }
 | |
|         result.append(
 | |
|             data->patternHandler->getTwoPattern(items[1]),
 | |
|             items[1],
 | |
|             1,
 | |
|             errorCode);
 | |
|         result.data->getStringRef().writeTerminator(errorCode);
 | |
|         if (U_FAILURE(errorCode)) {
 | |
|             return FormattedList(errorCode);
 | |
|         } else {
 | |
|             return FormattedList(result.data.orphan());
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     FormattedListBuilder result(items[0], errorCode);
 | |
|     if (U_FAILURE(errorCode)) {
 | |
|         return FormattedList(errorCode);
 | |
|     }
 | |
|     result.append(
 | |
|         data->startPattern,
 | |
|         items[1],
 | |
|         1,
 | |
|         errorCode);
 | |
|     for (int32_t i = 2; i < nItems - 1; i++) {
 | |
|         result.append(
 | |
|             data->middlePattern,
 | |
|             items[i],
 | |
|             i,
 | |
|             errorCode);
 | |
|     }
 | |
|     result.append(
 | |
|         data->patternHandler->getEndPattern(items[nItems-1]),
 | |
|         items[nItems-1],
 | |
|         nItems-1,
 | |
|         errorCode);
 | |
|     result.data->getStringRef().writeTerminator(errorCode);
 | |
|     if (U_FAILURE(errorCode)) {
 | |
|         return FormattedList(errorCode);
 | |
|     } else {
 | |
|         return FormattedList(result.data.orphan());
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| U_NAMESPACE_END
 | |
| 
 | |
| #endif /* #if !UCONFIG_NO_FORMATTING */
 |