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-// © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-/*
-*******************************************************************************
-*
-* Copyright (C) 1998-2014, International Business Machines
-* Corporation and others. All Rights Reserved.
-*
-*******************************************************************************
-*
-* Private implementation header for C collation
-* file name: ucol_imp.h
-* encoding: UTF-8
-* tab size: 8 (not used)
-* indentation:4
-*
-* created on: 2000dec11
-* created by: Vladimir Weinstein
-*
-* Modification history
-* Date Name Comments
-* 02/16/2001 synwee Added UCOL_GETPREVCE for the use in ucoleitr
-* 02/27/2001 synwee Added getMaxExpansion data structure in UCollator
-* 03/02/2001 synwee Added UCOL_IMPLICIT_CE
-* 03/12/2001 synwee Added pointer start to collIterate.
-*/
-
-#ifndef UCOL_IMP_H
-#define UCOL_IMP_H
-
-#include "unicode/utypes.h"
-
-#if !UCONFIG_NO_COLLATION
-
-// This part needs to compile as plain C code, for cintltst.
-
-#include "unicode/ucol.h"
-
-/** Check whether two collators are equal. Collators are considered equal if they
- * will sort strings the same. This means that both the current attributes and the
- * rules must be equivalent.
- * @param source first collator
- * @param target second collator
- * @return TRUE or FALSE
- * @internal ICU 3.0
- */
-U_INTERNAL UBool U_EXPORT2
-ucol_equals(const UCollator *source, const UCollator *target);
-
-/**
- * Convenience string denoting the Collation data tree
- */
-#define U_ICUDATA_COLL U_ICUDATA_NAME U_TREE_SEPARATOR_STRING "coll"
-
-#ifdef __cplusplus
-
-#include "unicode/locid.h"
-#include "unicode/ures.h"
-
-U_NAMESPACE_BEGIN
-
-struct CollationCacheEntry;
-
-class Locale;
-class UnicodeString;
-class UnifiedCache;
-
-/** Implemented in ucol_res.cpp. */
-class CollationLoader {
-public:
- static void appendRootRules(UnicodeString &s);
- static void loadRules(const char *localeID, const char *collationType,
- UnicodeString &rules, UErrorCode &errorCode);
- // Adds a reference to returned value.
- static const CollationCacheEntry *loadTailoring(const Locale &locale, UErrorCode &errorCode);
-
- // Cache callback. Adds a reference to returned value.
- const CollationCacheEntry *createCacheEntry(UErrorCode &errorCode);
-
-private:
- static void U_CALLCONV loadRootRules(UErrorCode &errorCode);
-
- // The following members are used by loadTailoring()
- // and the cache callback.
- static const uint32_t TRIED_SEARCH = 1;
- static const uint32_t TRIED_DEFAULT = 2;
- static const uint32_t TRIED_STANDARD = 4;
-
- CollationLoader(const CollationCacheEntry *re, const Locale &requested, UErrorCode &errorCode);
- ~CollationLoader();
-
- // All loadFromXXX methods add a reference to the returned value.
- const CollationCacheEntry *loadFromLocale(UErrorCode &errorCode);
- const CollationCacheEntry *loadFromBundle(UErrorCode &errorCode);
- const CollationCacheEntry *loadFromCollations(UErrorCode &errorCode);
- const CollationCacheEntry *loadFromData(UErrorCode &errorCode);
-
- // Adds a reference to returned value.
- const CollationCacheEntry *getCacheEntry(UErrorCode &errorCode);
-
- /**
- * Returns the rootEntry (with one addRef()) if loc==root,
- * or else returns a new cache entry with ref count 1 for the loc and
- * the root tailoring.
- */
- const CollationCacheEntry *makeCacheEntryFromRoot(
- const Locale &loc, UErrorCode &errorCode) const;
-
- /**
- * Returns the entryFromCache as is if loc==validLocale,
- * or else returns a new cache entry with ref count 1 for the loc and
- * the same tailoring. In the latter case, a ref count is removed from
- * entryFromCache.
- */
- static const CollationCacheEntry *makeCacheEntry(
- const Locale &loc,
- const CollationCacheEntry *entryFromCache,
- UErrorCode &errorCode);
-
- const UnifiedCache *cache;
- const CollationCacheEntry *rootEntry;
- Locale validLocale;
- Locale locale;
- char type[16];
- char defaultType[16];
- uint32_t typesTried;
- UBool typeFallback;
- UResourceBundle *bundle;
- UResourceBundle *collations;
- UResourceBundle *data;
-};
-
-U_NAMESPACE_END
-
-#endif /* __cplusplus */
-
-#endif /* #if !UCONFIG_NO_COLLATION */
-
-#endif