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Issue 845603002: Update ICU to 54.1 step 1 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/icu.git@master
Patch Set: remove unusued directories Created 5 years, 11 months ago
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1 /*
2 *******************************************************************************
3 * Copyright (C) 2013-2014, International Business Machines
4 * Corporation and others. All Rights Reserved.
5 *******************************************************************************
6 * collationtailoring.h
7 *
8 * created on: 2013mar12
9 * created by: Markus W. Scherer
10 */
11
12 #ifndef __COLLATIONTAILORING_H__
13 #define __COLLATIONTAILORING_H__
14
15 #include "unicode/utypes.h"
16
17 #if !UCONFIG_NO_COLLATION
18
19 #include "unicode/locid.h"
20 #include "unicode/unistr.h"
21 #include "unicode/uversion.h"
22 #include "collationsettings.h"
23 #include "uhash.h"
24 #include "umutex.h"
25
26 struct UDataMemory;
27 struct UResourceBundle;
28 struct UTrie2;
29
30 U_NAMESPACE_BEGIN
31
32 struct CollationData;
33
34 class UnicodeSet;
35
36 /**
37 * Collation tailoring data & settings.
38 * This is a container of values for a collation tailoring
39 * built from rules or deserialized from binary data.
40 *
41 * It is logically immutable: Do not modify its values.
42 * The fields are public for convenience.
43 *
44 * It is shared, reference-counted, and auto-deleted; see SharedObject.
45 */
46 struct U_I18N_API CollationTailoring : public SharedObject {
47 CollationTailoring(const CollationSettings *baseSettings);
48 virtual ~CollationTailoring();
49
50 /**
51 * Returns TRUE if the constructor could not initialize properly.
52 */
53 UBool isBogus() { return settings == NULL; }
54
55 UBool ensureOwnedData(UErrorCode &errorCode);
56
57 static void makeBaseVersion(const UVersionInfo ucaVersion, UVersionInfo vers ion);
58 void setVersion(const UVersionInfo baseVersion, const UVersionInfo rulesVers ion);
59 int32_t getUCAVersion() const;
60
61 // data for sorting etc.
62 const CollationData *data; // == base data or ownedData
63 const CollationSettings *settings; // reference-counted
64 UnicodeString rules;
65 // The locale is bogus when built from rules or constructed from a binary bl ob.
66 // It can then be set by the service registration code which is thread-safe.
67 mutable Locale actualLocale;
68 // UCA version u.v.w & rules version r.s.t.q:
69 // version[0]: builder version (runtime version is mixed in at runtime)
70 // version[1]: bits 7..3=u, bits 2..0=v
71 // version[2]: bits 7..6=w, bits 5..0=r
72 // version[3]= (s<<5)+(s>>3)+t+(q<<4)+(q>>4)
73 UVersionInfo version;
74
75 // owned objects
76 CollationData *ownedData;
77 UObject *builder;
78 UDataMemory *memory;
79 UResourceBundle *bundle;
80 UTrie2 *trie;
81 UnicodeSet *unsafeBackwardSet;
82 mutable UHashtable *maxExpansions;
83 mutable UInitOnce maxExpansionsInitOnce;
84
85 private:
86 /**
87 * No copy constructor: A CollationTailoring cannot be copied.
88 * It is immutable, and the data trie cannot be copied either.
89 */
90 CollationTailoring(const CollationTailoring &other);
91 };
92
93 struct CollationCacheEntry : public SharedObject {
94 CollationCacheEntry(const Locale &loc, const CollationTailoring *t)
95 : validLocale(loc), tailoring(t) {
96 if(t != NULL) {
97 t->addRef();
98 }
99 }
100 ~CollationCacheEntry();
101
102 Locale validLocale;
103 const CollationTailoring *tailoring;
104 };
105
106 U_NAMESPACE_END
107
108 #endif // !UCONFIG_NO_COLLATION
109 #endif // __COLLATIONTAILORING_H__
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