112 lines
3.3 KiB
C++
112 lines
3.3 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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* Copyright (C) 2013-2014, International Business Machines
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* Corporation and others. All Rights Reserved.
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*******************************************************************************
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* collationtailoring.h
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*
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* created on: 2013mar12
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* created by: Markus W. Scherer
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*/
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#ifndef __COLLATIONTAILORING_H__
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#define __COLLATIONTAILORING_H__
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_COLLATION
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#include "unicode/locid.h"
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#include "unicode/unistr.h"
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#include "unicode/uversion.h"
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#include "collationsettings.h"
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#include "uhash.h"
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#include "umutex.h"
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struct UDataMemory;
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struct UResourceBundle;
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struct UTrie2;
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U_NAMESPACE_BEGIN
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struct CollationData;
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class UnicodeSet;
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/**
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* Collation tailoring data & settings.
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* This is a container of values for a collation tailoring
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* built from rules or deserialized from binary data.
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*
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* It is logically immutable: Do not modify its values.
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* The fields are public for convenience.
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*
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* It is shared, reference-counted, and auto-deleted; see SharedObject.
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*/
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struct U_I18N_API CollationTailoring : public SharedObject {
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CollationTailoring(const CollationSettings *baseSettings);
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virtual ~CollationTailoring();
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/**
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* Returns TRUE if the constructor could not initialize properly.
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*/
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UBool isBogus() { return settings == NULL; }
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UBool ensureOwnedData(UErrorCode &errorCode);
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static void makeBaseVersion(const UVersionInfo ucaVersion, UVersionInfo version);
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void setVersion(const UVersionInfo baseVersion, const UVersionInfo rulesVersion);
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int32_t getUCAVersion() const;
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// data for sorting etc.
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const CollationData *data; // == base data or ownedData
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const CollationSettings *settings; // reference-counted
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UnicodeString rules;
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// The locale is bogus when built from rules or constructed from a binary blob.
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// It can then be set by the service registration code which is thread-safe.
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mutable Locale actualLocale;
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// UCA version u.v.w & rules version r.s.t.q:
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// version[0]: builder version (runtime version is mixed in at runtime)
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// version[1]: bits 7..3=u, bits 2..0=v
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// version[2]: bits 7..6=w, bits 5..0=r
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// version[3]= (s<<5)+(s>>3)+t+(q<<4)+(q>>4)
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UVersionInfo version;
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// owned objects
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CollationData *ownedData;
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UObject *builder;
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UDataMemory *memory;
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UResourceBundle *bundle;
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UTrie2 *trie;
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UnicodeSet *unsafeBackwardSet;
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mutable UHashtable *maxExpansions;
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mutable UInitOnce maxExpansionsInitOnce;
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private:
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/**
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* No copy constructor: A CollationTailoring cannot be copied.
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* It is immutable, and the data trie cannot be copied either.
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*/
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CollationTailoring(const CollationTailoring &other);
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};
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struct CollationCacheEntry : public SharedObject {
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CollationCacheEntry(const Locale &loc, const CollationTailoring *t)
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: validLocale(loc), tailoring(t) {
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if(t != NULL) {
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t->addRef();
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}
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}
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~CollationCacheEntry();
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Locale validLocale;
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const CollationTailoring *tailoring;
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};
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U_NAMESPACE_END
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#endif // !UCONFIG_NO_COLLATION
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#endif // __COLLATIONTAILORING_H__
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