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Side by Side Diff: source/i18n/collationfastlatinbuilder.h

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 * collationfastlatinbuilder.h
7 *
8 * created on: 2013aug09
9 * created by: Markus W. Scherer
10 */
11
12 #ifndef __COLLATIONFASTLATINBUILDER_H__
13 #define __COLLATIONFASTLATINBUILDER_H__
14
15 #include "unicode/utypes.h"
16
17 #if !UCONFIG_NO_COLLATION
18
19 #include "unicode/unistr.h"
20 #include "unicode/uobject.h"
21 #include "collation.h"
22 #include "collationfastlatin.h"
23 #include "uvectr64.h"
24
25 U_NAMESPACE_BEGIN
26
27 struct CollationData;
28
29 class U_I18N_API CollationFastLatinBuilder : public UObject {
30 public:
31 CollationFastLatinBuilder(UErrorCode &errorCode);
32 ~CollationFastLatinBuilder();
33
34 UBool forData(const CollationData &data, UErrorCode &errorCode);
35
36 const uint16_t *getTable() const {
37 return reinterpret_cast<const uint16_t *>(result.getBuffer());
38 }
39 int32_t lengthOfTable() const { return result.length(); }
40
41 private:
42 UBool loadGroups(const CollationData &data, UErrorCode &errorCode);
43 UBool inSameGroup(uint32_t p, uint32_t q) const;
44
45 void resetCEs();
46 void getCEs(const CollationData &data, UErrorCode &errorCode);
47 UBool getCEsFromCE32(const CollationData &data, UChar32 c, uint32_t ce32,
48 UErrorCode &errorCode);
49 UBool getCEsFromContractionCE32(const CollationData &data, uint32_t ce32,
50 UErrorCode &errorCode);
51 void addContractionEntry(int32_t x, int64_t cce0, int64_t cce1, UErrorCode & errorCode);
52 void addUniqueCE(int64_t ce, UErrorCode &errorCode);
53 uint32_t getMiniCE(int64_t ce) const;
54 UBool encodeUniqueCEs(UErrorCode &errorCode);
55 UBool encodeCharCEs(UErrorCode &errorCode);
56 UBool encodeContractions(UErrorCode &errorCode);
57 uint32_t encodeTwoCEs(int64_t first, int64_t second) const;
58
59 static UBool isContractionCharCE(int64_t ce) {
60 return (uint32_t)(ce >> 32) == Collation::NO_CE_PRIMARY && ce != Collati on::NO_CE;
61 }
62
63 static const uint32_t CONTRACTION_FLAG = 0x80000000;
64
65 // temporary "buffer"
66 int64_t ce0, ce1;
67
68 int64_t charCEs[CollationFastLatin::NUM_FAST_CHARS][2];
69
70 UVector64 contractionCEs;
71 UVector64 uniqueCEs;
72
73 /** One 16-bit mini CE per unique CE. */
74 uint16_t *miniCEs;
75
76 // These are constant for a given list of CollationData.scripts.
77 uint32_t firstDigitPrimary;
78 uint32_t firstLatinPrimary;
79 uint32_t lastLatinPrimary;
80 // This determines the first normal primary weight which is mapped to
81 // a short mini primary. It must be >=firstDigitPrimary.
82 uint32_t firstShortPrimary;
83
84 UBool shortPrimaryOverflow;
85
86 UnicodeString result;
87 int32_t headerLength;
88 };
89
90 U_NAMESPACE_END
91
92 #endif // !UCONFIG_NO_COLLATION
93 #endif // __COLLATIONFASTLATINBUILDER_H__
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